Mercurial > hg > freeDiameter
annotate include/freeDiameter/libfdproto.h @ 1554:566bb46cc73f
Updated copyright information
| author | Sebastien Decugis <sdecugis@freediameter.net> |
|---|---|
| date | Tue, 06 Oct 2020 21:34:53 +0800 |
| parents | 67c263056d78 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /********************************************************************************************************* |
| 2 * Software License Agreement (BSD License) * | |
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3 * Author: Sebastien Decugis <sdecugis@freediameter.net> * |
| 0 | 4 * * |
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5 * Copyright (c) 2020, WIDE Project and NICT * |
| 0 | 6 * All rights reserved. * |
| 7 * * | |
| 8 * Redistribution and use of this software in source and binary forms, with or without modification, are * | |
| 9 * permitted provided that the following conditions are met: * | |
| 10 * * | |
| 11 * * Redistributions of source code must retain the above * | |
| 12 * copyright notice, this list of conditions and the * | |
| 13 * following disclaimer. * | |
| 14 * * | |
| 15 * * Redistributions in binary form must reproduce the above * | |
| 16 * copyright notice, this list of conditions and the * | |
| 17 * following disclaimer in the documentation and/or other * | |
| 18 * materials provided with the distribution. * | |
| 19 * * | |
| 20 * * Neither the name of the WIDE Project or NICT nor the * | |
| 21 * names of its contributors may be used to endorse or * | |
| 22 * promote products derived from this software without * | |
| 23 * specific prior written permission of WIDE Project and * | |
| 24 * NICT. * | |
| 25 * * | |
| 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * | |
| 27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * | |
| 28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * | |
| 29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * | |
| 30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * | |
| 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * | |
|
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32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY S_OUT OF THE USE OF THIS SOFTWARE, EVEN IF * |
| 0 | 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * |
| 34 *********************************************************************************************************/ | |
| 35 | |
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36 /* This file contains the definitions of functions and types used by the libfreeDiameter library. |
| 0 | 37 * |
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38 * This library is meant to be used by both the freeDiameter daemon and its extensions. |
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39 * It provides the tools to manipulate Diameter messages and related data. |
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40 * This file should always be included as #include <freeDiameter/libfreeDiameter.h> |
| 0 | 41 * |
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42 * If any change is made to this file, you must increment the FD_PROJECT_VERSION_API version. |
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43 * |
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44 * The file contains the following parts: |
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45 * DEBUG |
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46 * MACROS |
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47 * OCTET STRINGS |
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48 * THREADS |
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49 * LISTS |
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50 * DICTIONARY |
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51 * SESSIONS |
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52 * MESSAGES |
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53 * DISPATCH |
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54 * QUEUES |
| 0 | 55 */ |
| 56 | |
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57 #ifndef _LIBFDPROTO_H |
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58 #define _LIBFDPROTO_H |
| 0 | 59 |
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60 #ifdef __cplusplus |
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61 extern "C" { |
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62 #endif |
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63 |
| 0 | 64 #ifndef FD_IS_CONFIG |
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65 #error "You must include 'freeDiameter-host.h' before this file." |
| 0 | 66 #endif /* FD_IS_CONFIG */ |
| 67 | |
| 68 #include <pthread.h> | |
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69 #include <sched.h> |
| 0 | 70 #include <string.h> |
| 71 #include <assert.h> | |
| 72 #include <errno.h> | |
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73 #include <netinet/in.h> |
| 0 | 74 #include <arpa/inet.h> |
| 75 #include <sys/socket.h> | |
| 76 #include <netdb.h> | |
| 77 #include <stdio.h> | |
| 78 #include <stdlib.h> | |
| 79 #include <unistd.h> | |
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80 #include <stdarg.h> |
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82 #include <libgen.h> /* for basename */ |
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83 |
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84 #ifdef SWIG |
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85 #define _ATTRIBUTE_PRINTFLIKE_(_f,_v) |
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86 #else |
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87 #define _ATTRIBUTE_PRINTFLIKE_(_f,_v) __attribute__ ((format (printf, _f, _v))) |
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88 #endif /* SWIG */ |
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89 |
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90 /* Remove some deprecated warnings from some gnutls versions, when possible */ |
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91 #if defined(__GNUC__) |
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92 # define GCC_DIAG_DO_PRAGMA(x) _Pragma (#x) |
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93 # define GCC_DIAG_PRAGMA(x) GCC_DIAG_DO_PRAGMA(GCC diagnostic x) |
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94 # if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406 /* 4.6.x */ |
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95 # define GCC_DIAG_OFF(x) GCC_DIAG_PRAGMA(push) \ |
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96 GCC_DIAG_PRAGMA(ignored x) |
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97 # define GCC_DIAG_ON(x) GCC_DIAG_PRAGMA(pop) |
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98 # else /* older */ |
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99 # define GCC_DIAG_OFF(x) GCC_DIAG_PRAGMA(ignored x) |
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100 # define GCC_DIAG_ON(x) GCC_DIAG_PRAGMA(warning x) |
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101 # endif |
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102 #else |
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103 # define GCC_DIAG_OFF(x) |
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104 # define GCC_DIAG_ON(x) |
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105 #endif |
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106 |
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107 /*============================================================*/ |
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108 /* CONSTANTS */ |
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109 /*============================================================*/ |
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110 |
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111 #define DIAMETER_PORT 3868 |
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112 #define DIAMETER_SECURE_PORT 5868 |
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113 |
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114 |
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115 /*============================================================*/ |
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116 /* INIT */ |
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117 /*============================================================*/ |
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118 |
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119 /* This function must be called first, before any call to another library function */ |
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120 int fd_libproto_init(void); /* note if you are using libfdcore, it handles this already */ |
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121 |
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122 /* Call this one when the application terminates, to destroy internal threads */ |
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123 void fd_libproto_fini(void); |
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124 |
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125 /* Retrieve the version of the binary */ |
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126 extern const char fd_libproto_version[]; |
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127 |
| 0 | 128 /*============================================================*/ |
| 129 /* DEBUG */ | |
| 130 /*============================================================*/ | |
| 131 | |
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132 |
| 0 | 133 /* |
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134 * FUNCTION: fd_log |
| 0 | 135 * |
| 136 * PARAMETERS: | |
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137 * loglevel : Integer, how important the message is. Valid values are macros FD_LOG_* |
| 0 | 138 * format : Same format string as in the printf function |
| 139 * ... : Same list as printf | |
| 140 * | |
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141 * DESCRIPTION: |
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142 * Write information to log. |
| 0 | 143 * The format and arguments may contain UTF-8 encoded data. The |
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144 * output medium is expected to support this encoding. |
| 0 | 145 * |
| 146 * RETURN VALUE: | |
| 147 * None. | |
| 148 */ | |
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149 void fd_log ( int, const char *, ... ) _ATTRIBUTE_PRINTFLIKE_(2,3); |
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150 #ifndef SWIG |
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151 void fd_log_va( int, const char *, va_list); |
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152 #endif /* SWIG */ |
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153 |
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154 /* these are internal objects of the debug facility, |
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155 might be useful to control the behavior from outside */ |
| 0 | 156 extern pthread_mutex_t fd_log_lock; |
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157 extern char * fd_debug_one_function; |
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158 extern char * fd_debug_one_file; |
| 0 | 159 |
| 160 /* | |
| 161 * FUNCTION: fd_log_threadname | |
| 162 * | |
| 163 * PARAMETERS: | |
| 164 * name : \0-terminated string containing a name to identify the current thread. | |
| 165 * | |
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166 * DESCRIPTION: |
| 0 | 167 * Name the current thread, useful for debugging multi-threaded problems. |
| 168 * | |
| 169 * This function assumes that a global thread-specific key called "fd_log_thname" exists | |
| 170 * in the address space of the current process. | |
| 171 * | |
| 172 * RETURN VALUE: | |
| 173 * None. | |
| 174 */ | |
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175 void fd_log_threadname ( const char * name ); |
| 0 | 176 extern pthread_key_t fd_log_thname; |
| 177 | |
| 178 /* | |
| 179 * FUNCTION: fd_log_time | |
| 180 * | |
| 181 * PARAMETERS: | |
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182 * ts : The timestamp to log, or NULL for "now" |
| 0 | 183 * buf : An array where the time must be stored |
| 184 * len : size of the buffer | |
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185 * incl_date : The day of year is included in the output |
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186 * incl_ms : millisecond value is included in the output |
| 0 | 187 * |
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188 * DESCRIPTION: |
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189 * Writes the timestamp (in human readable format) in a buffer. |
| 0 | 190 * |
| 191 * RETURN VALUE: | |
| 192 * pointer to buf. | |
| 193 */ | |
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194 char * fd_log_time ( struct timespec * ts, char * buf, size_t len, int incl_date, int incl_ms ); |
| 0 | 195 |
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196 /* |
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197 * FUNCTION: fd_log_handler_register |
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198 * MACRO: |
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199 * |
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200 * PARAMETERS: |
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201 * loglevel : priority of the message |
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202 * format : Same format string as in the printf function |
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203 * va_list : Argument list |
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204 * |
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205 * DESCRIPTION: |
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206 * Register an external method for logging purposes. |
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207 * |
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208 * RETURN VALUE: |
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209 * int : Success or failure |
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210 */ |
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211 int fd_log_handler_register ( void (*logger)(int loglevel, const char * format, va_list args) ); |
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212 |
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213 /* |
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214 * FUNCTION: fd_log_handler_unregister |
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215 * MACRO: |
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216 * |
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217 * PARAMETERS: |
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218 * |
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219 * DESCRIPTION: |
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220 * Unregister the external logging function. |
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221 * |
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222 * RETURN VALUE: |
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223 * int : Success or failure |
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224 */ |
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225 int fd_log_handler_unregister ( void ); |
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226 |
| 0 | 227 |
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228 /* All dump functions follow this same prototype: |
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229 * PARAMETERS: |
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230 * buf : *buf can be NULL on entry, it will be malloc'd. Otherwise it is realloc'd if needed. |
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231 * len : the current size of the buffer (in/out) |
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232 * offset: (optional) if provided, starts writing dump at offset in the buffer, and updated upon exit. if NULL, starts at offset O. |
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233 * |
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234 * RETURN VALUE: |
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235 * *buf upon success, NULL upon failure. |
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236 * |
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237 * REMARKS: |
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238 * - After the buffer has been used, it should be freed. |
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239 * - Depending on the function, the created string may be multi-line. However, it should never be terminated with a '\n'. |
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240 */ |
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241 #define DECLARE_FD_DUMP_PROTOTYPE( function_name, args... ) \ |
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242 char * function_name(char ** buf, size_t *len, size_t *offset, ##args) |
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243 |
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244 #ifdef SWIG |
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245 #define DECLARE_FD_DUMP_PROTOTYPE_simple( function_name ) \ |
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246 char * function_name(char ** buf, size_t *len, size_t *offset) |
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247 #endif /* SWIG */ |
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248 |
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249 |
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250 /* Helper functions for the *dump functions that add into a buffer */ |
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251 DECLARE_FD_DUMP_PROTOTYPE( fd_dump_extend, const char * format, ... ) _ATTRIBUTE_PRINTFLIKE_(4,5); |
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252 DECLARE_FD_DUMP_PROTOTYPE( fd_dump_extend_hexdump, uint8_t *data, size_t datalen, size_t trunc, size_t wrap ); |
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253 |
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254 |
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255 /* Some helpers macro for writing such *_dump routine */ |
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256 #define FD_DUMP_STD_PARAMS buf, len, offset |
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257 #define FD_DUMP_HANDLE_OFFSET() size_t o = 0; if (!offset) offset = &o; if (buf && (*buf) && !(*offset)) **buf='\0' |
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258 #define FD_DUMP_HANDLE_TRAIL() while ((*buf) && (*offset > 0) && ((*buf)[*offset - 1] == '\n')) { *offset -= 1; (*buf)[*offset] = '\0'; } |
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259 |
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260 |
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261 |
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262 /*============================================================*/ |
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263 /* DEBUG MACROS */ |
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264 /*============================================================*/ |
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265 |
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266 #ifndef ASSERT |
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267 #define ASSERT(x) assert(x) |
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268 #endif /* ASSERT */ |
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269 |
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270 /* log levels definitions, that are passed to the logger */ |
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271 #define FD_LOG_ANNOYING 0 /* very verbose loops and such "overkill" traces. Only active when the framework is compiled in DEBUG mode. */ |
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272 #define FD_LOG_DEBUG 1 /* Get a detailed sense of what is going on in the framework. Use this level for normal debug */ |
| 1407 | 273 #define FD_LOG_INFO 2 /* Informational execution states */ |
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274 #define FD_LOG_NOTICE 3 /* Normal execution states worth noting */ |
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275 #define FD_LOG_ERROR 5 /* Recoverable or expected error conditions */ |
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276 #define FD_LOG_FATAL 6 /* Unrecoverable error, e.g. malloc fail, etc. that requires the framework to shutdown */ |
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277 |
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278 /* The level used by the default logger, can be changed by command-line arguments. Ignored for other loggers. */ |
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279 extern int fd_g_debug_lvl; |
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280 |
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281 /* Some portability code to get nice function name in __PRETTY_FUNCTION__ */ |
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282 #if (!defined( __func__)) && (__STDC_VERSION__ < 199901L) |
| 0 | 283 # if __GNUC__ >= 2 |
| 284 # define __func__ __FUNCTION__ | |
| 285 # else /* __GNUC__ >= 2 */ | |
| 286 # define __func__ "<unknown>" | |
| 287 # endif /* __GNUC__ >= 2 */ | |
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288 #endif /*(!defined( __func__)) && (__STDC_VERSION__ < 199901L) */ |
| 0 | 289 #ifndef __PRETTY_FUNCTION__ |
| 290 #define __PRETTY_FUNCTION__ __func__ | |
| 291 #endif /* __PRETTY_FUNCTION__ */ | |
| 292 | |
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293 /* A version of __FILE__ without the full path. This is specific to each C file being compiled */ |
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294 static char * file_bname = NULL; |
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295 static char * file_bname_init(char * full) { file_bname = basename(full); return file_bname; } |
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296 #define __STRIPPED_FILE__ (file_bname ?: file_bname_init((char *)__FILE__)) |
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297 |
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298 |
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299 |
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300 /* In DEBUG mode, we add meta-information along each trace. This makes multi-threading problems easier to debug. */ |
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301 #if (defined(DEBUG) && defined(DEBUG_WITH_META)) |
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302 # define STD_TRACE_FMT_STRING "pid:%s in %s@%s:%d: " |
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303 # define STD_TRACE_FMT_ARGS , ((char *)pthread_getspecific(fd_log_thname) ?: "unnamed"), __PRETTY_FUNCTION__, __STRIPPED_FILE__, __LINE__ |
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304 #else /* DEBUG && DEBUG_WITH_META */ |
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305 # define STD_TRACE_FMT_STRING "" |
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306 # define STD_TRACE_FMT_ARGS |
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307 #endif /* DEBUG && DEBUG_WITH_META */ |
| 0 | 308 |
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309 /************************* |
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310 The general debug macro |
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311 *************************/ |
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312 #define LOG(printlevel,format,args... ) \ |
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313 fd_log((printlevel), STD_TRACE_FMT_STRING format STD_TRACE_FMT_ARGS, ## args) |
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314 |
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315 /* |
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316 * Use the following macros in the code to get traces with location & pid in debug mode: |
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317 */ |
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318 #ifdef DEBUG |
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319 # define LOG_A(format,args... ) \ |
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320 do { if ((fd_debug_one_function && !strcmp(fd_debug_one_function, __PRETTY_FUNCTION__)) \ |
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321 || (fd_debug_one_file && !strcmp(fd_debug_one_file, __STRIPPED_FILE__) ) ) { \ |
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322 LOG(FD_LOG_DEBUG,"[DBG_MATCH] " format,##args); \ |
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323 } else { \ |
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324 LOG(FD_LOG_ANNOYING,format,##args); \ |
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325 } } while (0) |
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326 #else /* DEBUG */ |
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327 # define LOG_A(format,args... ) /* not defined in release */ |
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328 #endif /* DEBUG */ |
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329 |
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330 /* Debug information useful to follow in detail what is going on */ |
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331 #define LOG_D(format,args... ) \ |
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332 LOG(FD_LOG_DEBUG, format, ##args) |
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333 |
| 1407 | 334 /* Report an info message */ |
| 335 #define LOG_I(format,args... ) \ | |
| 336 LOG(FD_LOG_INFO, format,##args) | |
| 337 | |
| 972 | 338 /* Report a normal message that is useful for normal admin monitoring */ |
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339 #define LOG_N(format,args... ) \ |
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340 LOG(FD_LOG_NOTICE, format,##args) |
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341 |
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342 /* Report an error */ |
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343 #define LOG_E(format,args... ) \ |
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344 LOG(FD_LOG_ERROR, format, ##args) |
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345 |
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346 /* Report a fatal error */ |
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347 #define LOG_F(format,args... ) \ |
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348 LOG(FD_LOG_FATAL, format, ##args) |
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349 |
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350 |
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351 /************* |
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352 Derivatives |
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353 ************/ |
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354 /* Trace a binary buffer content */ |
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355 #define LOG_BUFFER(printlevel, prefix, buf, bufsz, suffix ) { \ |
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356 int __i; \ |
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357 size_t __sz = (size_t)(bufsz); \ |
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358 uint8_t * __buf = (uint8_t *)(buf); \ |
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359 char __strbuf[1024+1]; \ |
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360 for (__i = 0; (__i < __sz) && (__i<(sizeof(__strbuf)/2)); __i++) { \ |
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361 sprintf(__strbuf + (2 * __i), "%02hhx", __buf[__i]); \ |
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362 } \ |
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363 fd_log(printlevel, STD_TRACE_FMT_STRING "%s%s%s" STD_TRACE_FMT_ARGS, \ |
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364 (prefix), __strbuf, (suffix)); \ |
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365 } |
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366 |
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367 /* Split a multi-line buffer into separate calls to the LOG function. */ |
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368 #define LOG_SPLIT(printlevel, per_line_prefix, mlbuf, per_line_suffix ) { \ |
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369 char * __line = (mlbuf), *__next; \ |
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370 char * __p = (per_line_prefix), *__s = (per_line_suffix); \ |
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371 while ((__next = strchr(__line, '\n')) != NULL) { \ |
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372 LOG(printlevel, "%s%.*s%s", __p ?:"", (int)(__next - __line), __line, __s ?:""); \ |
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373 __line = __next + 1; \ |
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374 } \ |
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375 LOG(printlevel, "%s%s%s", __p ?:"", __line, __s ?:""); \ |
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376 } |
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377 |
|
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378 /* Helper for function entry -- for very detailed trace of the execution */ |
| 0 | 379 #define TRACE_ENTRY(_format,_args... ) \ |
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380 LOG_A("[enter] %s(" _format ") {" #_args "}", __PRETTY_FUNCTION__, ##_args ); |
| 0 | 381 |
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382 /* Helper for debugging by adding traces -- for debuging a specific location of the code */ |
| 0 | 383 #define TRACE_HERE() \ |
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384 LOG_F(" -- debug checkpoint %d -- ", fd_breakhere()); |
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385 int fd_breakhere(void); |
| 0 | 386 |
| 972 | 387 /* Helper for tracing the CHECK_* macros below -- very very verbose code execution! */ |
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388 #define TRACE_CALL( str... ) \ |
|
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389 LOG_A( str ) |
| 0 | 390 |
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391 /* For development only, to keep track of TODO locations in the code */ |
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392 #ifndef ERRORS_ON_TODO |
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393 # define TODO( _msg, _args... ) \ |
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394 LOG_F( "TODO: " _msg , ##_args); |
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395 #else /* ERRORS_ON_TODO */ |
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396 # define TODO( _msg, _args... ) \ |
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397 "TODO" = _msg ## _args; /* just a stupid compilation error to spot the todo */ |
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398 #endif /* ERRORS_ON_TODO */ |
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399 |
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400 |
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401 /*============================================================*/ |
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402 /* ERROR CHECKING MACRO */ |
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403 /*============================================================*/ |
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404 |
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405 /* Macros to check a return value and branch out in case of error. |
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406 * These macro additionally provide the logging information. |
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407 * |
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408 * The name "__ret__" is always available in the __fallback__ parameter and contains the error code. |
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409 */ |
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410 |
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411 #define CHECK_PRELUDE(__call__) \ |
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412 int __ret__; \ |
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413 TRACE_CALL("Check: %s", #__call__ ); \ |
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414 __ret__ = (__call__) |
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415 |
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416 #define DEFAULT_FB return __ret__; |
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417 |
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418 /* System check: error case if < 0, error value in errno */ |
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419 #define CHECK_SYS_GEN( faillevel, __call__, __fallback__ ) { \ |
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420 CHECK_PRELUDE(__call__); \ |
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421 if (__ret__ < 0) { \ |
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422 __ret__ = errno; \ |
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423 LOG(faillevel, "ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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424 __fallback__; \ |
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425 } \ |
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426 } |
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427 |
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428 |
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429 /* Check the return value of a function and execute fallback in case of error or special value */ |
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430 #define CHECK_FCT_GEN2( faillevel, __call__, __speval__, __fallback1__, __fallback2__ ) { \ |
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431 CHECK_PRELUDE(__call__); \ |
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432 if (__ret__ != 0) { \ |
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433 if (__ret__ == (__speval__)) { \ |
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434 __fallback1__; \ |
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435 } else { \ |
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436 LOG(faillevel, "ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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437 __fallback2__; \ |
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438 } \ |
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439 } \ |
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440 } |
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441 |
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442 /* Check the return value of a function and execute fallback in case of error (return value different from 0) */ |
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443 #define CHECK_FCT_GEN( faillevel, __call__, __fallback__) \ |
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444 CHECK_FCT_GEN2( faillevel, (__call__), 0, , (__fallback__) ) |
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445 |
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446 /* Check that a memory allocator did not return NULL, otherwise log an error and execute fallback */ |
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447 #define CHECK_MALLOC_GEN( faillevel, __call__, __fallback__ ) { \ |
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448 void * __ptr__; \ |
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449 TRACE_CALL("Check: %s", #__call__ ); \ |
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450 __ptr__ = (void *)(__call__); \ |
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451 if (__ptr__ == NULL) { \ |
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452 int __ret__ = errno; \ |
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453 LOG(faillevel, "ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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454 __fallback__; \ |
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455 } \ |
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456 } |
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457 |
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458 /* Check parameters at function entry, execute fallback on error */ |
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459 #define CHECK_PARAMS_GEN( faillevel, __bool__, __fallback__ ) { \ |
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460 TRACE_CALL("Check: %s", #__bool__ ); \ |
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461 if ( ! (__bool__) ) { \ |
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462 int __ret__ = EINVAL; \ |
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463 LOG(faillevel, "ERROR: invalid parameter '%s'", #__bool__ ); \ |
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464 __fallback__; \ |
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465 } \ |
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466 } |
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467 |
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468 |
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469 /*============================================================*/ |
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470 /* COMPATIBILITY MACROS, TO BE REMOVED */ |
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471 /*============================================================*/ |
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472 /* Redefine the old macros for transition of the code */ |
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473 #ifndef EXCLUDE_DEPRECATED |
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474 |
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475 #define MARK_DEPRECATED /* __attribute__ ((deprecated)) */ |
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476 |
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477 enum old_levels { |
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478 NONE = 0, |
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479 INFO = 1, |
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480 FULL = 2, |
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481 ANNOYING = 4, |
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482 FCTS = 6, |
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483 CALL = 9 |
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484 } MARK_DEPRECATED; |
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485 |
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486 static __inline__ int old_TRACE_BOOL( enum old_levels level, const char * file, const char * func ) MARK_DEPRECATED |
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487 { |
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488 if ((fd_debug_one_function && !strcmp(fd_debug_one_function, func)) |
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489 || (fd_debug_one_file && !strcmp(fd_debug_one_file, file) )) |
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490 return 2; /* Level override */ |
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491 if ((int)level <= fd_g_debug_lvl) |
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492 return 1; /* Normal level */ |
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493 return 0; /* No trace */ |
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494 } |
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495 #define TRACE_BOOL(level) old_TRACE_BOOL((level), __STRIPPED_FILE__, __PRETTY_FUNCTION__) |
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496 |
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497 #ifndef SWIG |
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498 static __inline__ void fd_log_deprecated( int level, const char *format, ... ) MARK_DEPRECATED |
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499 { |
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500 va_list ap; |
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501 va_start(ap, format); |
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502 fd_log_va(level, format, ap); |
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503 va_end(ap); |
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504 } |
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505 #else /* SWIG */ |
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506 void fd_log_deprecated( int level, const char *format, ... ); |
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507 #endif /* SWIG */ |
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508 static __inline__ void replace_me() MARK_DEPRECATED { } |
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509 |
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510 #define TRACE_BUFFER(...) replace_me(); |
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511 #define TRACE_NOTICE(...) replace_me(); |
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512 |
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513 |
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514 /* Use the LOG_* instead, or use the new *_dump functions when dumping an object */ |
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515 #define fd_log_debug(format,args...) fd_log_deprecated(FD_LOG_DEBUG, format, ## args) |
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516 #define fd_log_notice(format,args...) fd_log_deprecated(FD_LOG_NOTICE, format, ## args) |
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517 #define fd_log_error(format,args...) fd_log_deprecated(FD_LOG_ERROR, format, ## args) |
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518 |
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519 /* old macro for traces. To be replaced by appropriate LOG_* macros. */ |
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520 # define TRACE_DEBUG(oldlevel, format,args... ) { \ |
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521 int __l__; \ |
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522 if ((__l__ = TRACE_BOOL(oldlevel))) { \ |
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523 if (oldlevel <= NONE) { LOG_E(format,##args); } \ |
| 1407 | 524 else if (oldlevel <= INFO) { LOG_I(format,##args); } \ |
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525 else if (__l__ == 2) { LOG_N(format,##args); } \ |
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526 else if (oldlevel <= FULL) { LOG_D(format,##args); } \ |
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527 else { LOG_A(format,##args); } \ |
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528 } } |
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529 |
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530 /* the following macro must be replaced with LOG_E or LOG_F */ |
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531 # define TRACE_ERROR LOG_E |
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532 |
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533 |
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534 /* The following macros are missing the faillevel information, which indicates at what log level the error case should be displayed. */ |
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535 # define CHECK_SYS_DO( __call__, __fallback__ ) { \ |
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536 CHECK_PRELUDE(__call__); \ |
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537 if (__ret__ < 0) { \ |
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538 __ret__ = errno; \ |
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539 TRACE_ERROR("ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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540 __fallback__; \ |
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541 } \ |
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542 } |
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543 |
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544 # define CHECK_SYS( __call__ ) \ |
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545 CHECK_SYS_DO( (__call__), return __ret__ ) |
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546 |
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547 |
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548 # define CHECK_POSIX_DO2( __call__, __speval__, __fallback1__, __fallback2__ ) { \ |
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549 CHECK_PRELUDE(__call__); \ |
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550 if (__ret__ != 0) { \ |
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551 if (__ret__ == (__speval__)) { \ |
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552 __fallback1__; \ |
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553 } else { \ |
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554 TRACE_ERROR("ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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555 __fallback2__; \ |
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556 } \ |
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557 } \ |
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558 } |
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559 |
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560 # define CHECK_POSIX_DO( __call__, __fallback__ ) \ |
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561 CHECK_POSIX_DO2( (__call__), 0, , __fallback__ ) |
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562 |
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563 # define CHECK_POSIX( __call__ ) \ |
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564 CHECK_POSIX_DO( (__call__), return __ret__ ) |
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565 |
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566 # define CHECK_MALLOC_DO( __call__, __fallback__ ) { \ |
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567 void * __ptr__; \ |
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568 TRACE_CALL("Check: %s", #__call__ ); \ |
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569 __ptr__ = (void *)(__call__); \ |
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570 if (__ptr__ == NULL) { \ |
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571 int __ret__ = errno; \ |
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572 TRACE_ERROR("ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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573 __fallback__; \ |
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574 } \ |
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575 } |
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576 |
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577 # define CHECK_MALLOC( __call__ ) \ |
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578 CHECK_MALLOC_DO( (__call__), return __ret__ ) |
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579 |
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580 # define CHECK_PARAMS_DO( __bool__, __fallback__ ) { \ |
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581 TRACE_CALL("Check: %s", #__bool__ ); \ |
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582 if ( ! (__bool__) ) { \ |
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583 int __ret__ = EINVAL; \ |
|
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584 TRACE_ERROR("ERROR: Invalid parameter '%s', %d", #__bool__, __ret__ ); \ |
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585 __fallback__; \ |
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586 } \ |
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587 } |
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588 |
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589 # define CHECK_PARAMS( __bool__ ) \ |
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590 CHECK_PARAMS_DO( (__bool__), return __ret__ ) |
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591 |
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592 # define CHECK_FCT_DO CHECK_POSIX_DO |
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593 # define CHECK_FCT CHECK_POSIX |
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594 |
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595 #endif /* EXCLUDE_DEPRECATED */ |
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596 |
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597 |
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598 /*============================================================*/ |
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599 /* Optimized code: remove all debugging code */ |
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600 /*============================================================*/ |
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601 #ifdef STRIP_DEBUG_CODE |
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602 #undef LOG_D |
| 1407 | 603 #undef LOG_I |
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604 #undef LOG_N |
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605 #undef LOG_E |
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606 #undef LOG_F |
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607 #undef LOG_BUFFER |
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608 |
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609 #define LOG_D(format,args... ) /* noop */ |
| 1407 | 610 #define LOG_I(format,args...) fd_log(FD_LOG_INFO, format, ## args) |
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611 #define LOG_N(format,args...) fd_log(FD_LOG_NOTICE, format, ## args) |
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612 #define LOG_E(format,args...) fd_log(FD_LOG_ERROR, format, ## args) |
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613 #define LOG_F(format,args...) fd_log(FD_LOG_FATAL, format, ## args) |
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614 #define LOG_BUFFER(printlevel, level, prefix, buf, bufsz, suffix ) { \ |
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615 if (printlevel > FD_LOG_DEBUG) { \ |
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616 int __i; \ |
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617 size_t __sz = (size_t)(bufsz); \ |
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618 uint8_t * __buf = (uint8_t *)(buf); \ |
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619 char * __strbuf[1024+1]; \ |
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620 for (__i = 0; (__i < __sz) && (__i<(sizeof(__strbuf)/2); __i++) { \ |
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621 sprintf(__strbuf + (2 * __i), "%02.2hhx", __buf[__i]); \ |
|
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622 } \ |
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623 fd_log(printlevel, prefix"%s"suffix, __strbuf); \ |
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624 } |
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|
625 #endif /* STRIP_DEBUG_CODE */ |
|
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Cleaning of the traces in progress
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diff
changeset
|
626 |
|
7d7266115a34
Cleaning of the traces in progress
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diff
changeset
|
627 /*============================================================*/ |
|
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Cleaning of the traces in progress
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parents:
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diff
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|
628 /* OTHER MACROS */ |
|
7d7266115a34
Cleaning of the traces in progress
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parents:
1082
diff
changeset
|
629 /*============================================================*/ |
|
7d7266115a34
Cleaning of the traces in progress
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parents:
1082
diff
changeset
|
630 /* helper macros (pre-processor hacks to allow macro arguments) */ |
|
7d7266115a34
Cleaning of the traces in progress
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parents:
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diff
changeset
|
631 #define __tostr( arg ) #arg |
|
7d7266115a34
Cleaning of the traces in progress
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parents:
1082
diff
changeset
|
632 #define _stringize( arg ) __tostr( arg ) |
|
7d7266115a34
Cleaning of the traces in progress
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parents:
1082
diff
changeset
|
633 #define __agr( arg1, arg2 ) arg1 ## arg2 |
|
7d7266115a34
Cleaning of the traces in progress
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parents:
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diff
changeset
|
634 #define _aggregate( arg1, arg2 ) __agr( arg1, arg2 ) |
|
226
406f74f0789b
Few cosmetics changes
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parents:
216
diff
changeset
|
635 |
|
406f74f0789b
Few cosmetics changes
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parents:
216
diff
changeset
|
636 /* Some aliases to socket addresses structures */ |
|
406f74f0789b
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parents:
216
diff
changeset
|
637 #define sSS struct sockaddr_storage |
|
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diff
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|
638 #define sSA struct sockaddr |
|
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diff
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|
639 #define sSA4 struct sockaddr_in |
|
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parents:
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diff
changeset
|
640 #define sSA6 struct sockaddr_in6 |
|
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216
diff
changeset
|
641 |
|
246
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
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parents:
245
diff
changeset
|
642 /* The sockaddr length of a sSS structure */ |
|
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
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parents:
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diff
changeset
|
643 #define sSAlen( _sa_ ) \ |
|
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
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parents:
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diff
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|
644 ( (socklen_t) ( (((sSA *)_sa_)->sa_family == AF_INET) ? (sizeof(sSA4)) : \ |
|
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
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parents:
245
diff
changeset
|
645 ((((sSA *)_sa_)->sa_family == AF_INET6) ? (sizeof(sSA6)) : \ |
|
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
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parents:
245
diff
changeset
|
646 0 ) ) ) |
|
1122
d4371b7aa0ff
New CMake option: ADDRESS_AVP_INCLUDE_PORT. Turn off for standard Host-IP-Address AVPs
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1120
diff
changeset
|
647 #define sSAport( _sa_ ) \ |
|
d4371b7aa0ff
New CMake option: ADDRESS_AVP_INCLUDE_PORT. Turn off for standard Host-IP-Address AVPs
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1120
diff
changeset
|
648 ( (socklen_t) ( (((sSA *)_sa_)->sa_family == AF_INET) ? (((sSA4 *)(_sa_))->sin_port) : \ |
|
d4371b7aa0ff
New CMake option: ADDRESS_AVP_INCLUDE_PORT. Turn off for standard Host-IP-Address AVPs
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1120
diff
changeset
|
649 ((((sSA *)_sa_)->sa_family == AF_INET6) ? (((sSA6 *)(_sa_))->sin6_port) : \ |
|
d4371b7aa0ff
New CMake option: ADDRESS_AVP_INCLUDE_PORT. Turn off for standard Host-IP-Address AVPs
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1120
diff
changeset
|
650 0 ) ) ) |
|
d4371b7aa0ff
New CMake option: ADDRESS_AVP_INCLUDE_PORT. Turn off for standard Host-IP-Address AVPs
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1120
diff
changeset
|
651 |
|
d4371b7aa0ff
New CMake option: ADDRESS_AVP_INCLUDE_PORT. Turn off for standard Host-IP-Address AVPs
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1120
diff
changeset
|
652 DECLARE_FD_DUMP_PROTOTYPE(fd_sa_dump, sSA * sa, int flags); |
|
1103
d8591b1c56cd
Implemented a few hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1102
diff
changeset
|
653 #define sSA_DUMP_STRLEN (INET6_ADDRSTRLEN + 1 + 32 + 2) |
|
d8591b1c56cd
Implemented a few hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1102
diff
changeset
|
654 void fd_sa_sdump_numeric(char * buf /* must be at least sSA_DUMP_STRLEN */, sSA * sa); |
| 0 | 655 |
| 656 | |
|
20
277ec00d793e
Backup before typhoon... Progress on server side
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parents:
14
diff
changeset
|
657 /* A l4 protocol name (TCP / SCTP) */ |
|
33
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
658 #ifdef DISABLE_SCTP |
|
e6fcdf12b9a0
Added a lot of TODOs :)
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parents:
29
diff
changeset
|
659 #define IPPROTO_NAME( _proto ) \ |
|
e6fcdf12b9a0
Added a lot of TODOs :)
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parents:
29
diff
changeset
|
660 (((_proto) == IPPROTO_TCP) ? "TCP" : \ |
|
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
661 "Unknown") |
|
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
662 #else /* DISABLE_SCTP */ |
|
20
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
663 #define IPPROTO_NAME( _proto ) \ |
|
277ec00d793e
Backup before typhoon... Progress on server side
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parents:
14
diff
changeset
|
664 ( ((_proto) == IPPROTO_TCP) ? "TCP" : \ |
|
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
665 (((_proto) == IPPROTO_SCTP) ? "SCTP" : \ |
|
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
666 "Unknown")) |
|
33
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
667 #endif /* DISABLE_SCTP */ |
|
20
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
668 |
| 0 | 669 /* Define the value of IP loopback address */ |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
670 #ifndef INADDR_LOOPBACK |
| 0 | 671 #define INADDR_LOOPBACK inet_addr("127.0.0.1") |
| 672 #endif /* INADDR_LOOPBACK */ | |
| 673 | |
|
512
16224de837fd
Fix problem reported by ????? ????????? on dev@freediameter.net
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
454
diff
changeset
|
674 #ifndef INADDR_BROADCAST |
|
16224de837fd
Fix problem reported by ????? ????????? on dev@freediameter.net
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
454
diff
changeset
|
675 #define INADDR_BROADCAST ((in_addr_t) 0xffffffff) |
|
16224de837fd
Fix problem reported by ????? ????????? on dev@freediameter.net
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
454
diff
changeset
|
676 #endif /* INADDR_BROADCAST */ |
|
16224de837fd
Fix problem reported by ????? ????????? on dev@freediameter.net
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
454
diff
changeset
|
677 |
|
134
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
678 /* An IP equivalent to IN6_IS_ADDR_LOOPBACK */ |
|
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
679 #ifndef IN_IS_ADDR_LOOPBACK |
|
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
680 #define IN_IS_ADDR_LOOPBACK(a) \ |
|
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
681 ((((long int) (a)->s_addr) & ntohl(0xff000000)) == ntohl(0x7f000000)) |
|
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
682 #endif /* IN_IS_ADDR_LOOPBACK */ |
|
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
683 |
|
135
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
684 /* An IP equivalent to IN6_IS_ADDR_UNSPECIFIED */ |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
685 #ifndef IN_IS_ADDR_UNSPECIFIED |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
686 #define IN_IS_ADDR_UNSPECIFIED(a) \ |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
687 (((long int) (a)->s_addr) == 0x00000000) |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
688 #endif /* IN_IS_ADDR_UNSPECIFIED */ |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
689 |
| 0 | 690 /* create a V4MAPPED address */ |
| 691 #define IN6_ADDR_V4MAP( a6, a4 ) { \ | |
|
1414
f6f12521c2aa
Fix strict-aliasing warnings with gcc 4.8
Luke Mewburn <luke@mewburn.net>
parents:
1407
diff
changeset
|
692 memset(&(*a6)[0], 0, 10); \ |
|
f6f12521c2aa
Fix strict-aliasing warnings with gcc 4.8
Luke Mewburn <luke@mewburn.net>
parents:
1407
diff
changeset
|
693 (*a6)[10] = 0xff; \ |
|
f6f12521c2aa
Fix strict-aliasing warnings with gcc 4.8
Luke Mewburn <luke@mewburn.net>
parents:
1407
diff
changeset
|
694 (*a6)[11] = 0xff; \ |
|
f6f12521c2aa
Fix strict-aliasing warnings with gcc 4.8
Luke Mewburn <luke@mewburn.net>
parents:
1407
diff
changeset
|
695 memcpy(&(*a6)[12], &a4, 4); \ |
| 0 | 696 } |
| 697 | |
| 698 /* Retrieve a v4 value from V4MAPPED address ( takes a s6_addr as param) */ | |
| 699 #define IN6_ADDR_V4UNMAP( a6 ) \ | |
| 700 (((in_addr_t *)(a6))[3]) | |
| 701 | |
| 702 | |
| 703 /* We provide macros to convert 64 bit values to and from network byte-order, on systems where it is not already provided. */ | |
|
226
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
704 #ifndef HAVE_NTOHLL /* Defined by the cmake step, if the ntohll symbol is defined on the system */ |
| 0 | 705 # if HOST_BIG_ENDIAN |
| 706 /* In big-endian systems, we don't have to change the values, since the order is the same as network */ | |
| 707 # define ntohll(x) (x) | |
| 708 # define htonll(x) (x) | |
| 709 # else /* HOST_BIG_ENDIAN */ | |
| 710 /* For these systems, we must reverse the bytes. Use ntohl and htonl on sub-32 blocs, and inverse these blocs. */ | |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
711 # define ntohll(x) (typeof (x))( (((uint64_t)ntohl( (uint32_t)(x))) << 32 ) | ((uint64_t) ntohl( ((uint64_t)(x)) >> 32 ))) |
|
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
712 # define htonll(x) (typeof (x))( (((uint64_t)htonl( (uint32_t)(x))) << 32 ) | ((uint64_t) htonl( ((uint64_t)(x)) >> 32 ))) |
| 0 | 713 # endif /* HOST_BIG_ENDIAN */ |
| 714 #endif /* HAVE_NTOHLL */ | |
| 715 | |
|
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
changeset
|
716 /* This macro will give the next multiple of 4 for an integer (used for padding sizes of AVP). */ |
| 0 | 717 #define PAD4(_x) ((_x) + ( (4 - (_x)) & 3 ) ) |
| 718 | |
|
226
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
719 /* Useful to display any value as (safe) ASCII (will garbage UTF-8 output...) */ |
| 0 | 720 #define ASCII(_c) ( ((_c < 32) || (_c > 127)) ? ( _c ? '?' : ' ' ) : _c ) |
| 721 | |
| 722 /* Compare timespec structures */ | |
| 723 #define TS_IS_INFERIOR( ts1, ts2 ) \ | |
| 724 ( ((ts1)->tv_sec < (ts2)->tv_sec ) \ | |
|
5
c2d2729e3603
Completed new session module tests; some bugs fixed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
3
diff
changeset
|
725 || (((ts1)->tv_sec == (ts2)->tv_sec ) && ((ts1)->tv_nsec < (ts2)->tv_nsec) )) |
| 0 | 726 |
|
895
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
727 /* Compute diff between two timespecs (pointers) */ |
|
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
728 #define TS_DIFFERENCE( tsdiff, tsstart, tsend ) { \ |
|
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
729 if ((tsend)->tv_nsec < (tsstart)->tv_nsec ) { \ |
|
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
730 (tsdiff)->tv_sec = (tsend)->tv_sec - (tsstart)->tv_sec - 1; \ |
|
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
731 (tsdiff)->tv_nsec = (tsend)->tv_nsec + 1000000000 - (tsstart)->tv_nsec; \ |
|
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
732 } else { \ |
|
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
733 (tsdiff)->tv_sec = (tsend)->tv_sec - (tsstart)->tv_sec; \ |
|
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
734 (tsdiff)->tv_nsec = (tsend)->tv_nsec - (tsstart)->tv_nsec; \ |
|
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
735 }} |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
736 |
|
895
fbf77629cb7b
Added received and sent timestamps in the messages; added logs on emission and reception
Sebastien Decugis <sdecugis@freediameter.net>
parents:
894
diff
changeset
|
737 |
|
542
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
738 /* This gives a good size for buffered reads */ |
|
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
739 #ifndef BUFSIZ |
|
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
740 #define BUFSIZ 96 |
|
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
741 #endif /* BUFSIZ */ |
|
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
742 |
|
706
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
743 /* This gives the length of a const string */ |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
744 #define CONSTSTRLEN( str ) (sizeof(str) - 1) |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
745 |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
746 |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
747 /*============================================================*/ |
|
836
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
748 /* PORTABILITY */ |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
749 /*============================================================*/ |
|
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750 #ifndef HAVE_CLOCK_GETTIME |
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751 #define CLOCK_REALTIME 0 |
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752 #include <sys/time.h> |
|
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753 int clock_gettime(int clk_id, struct timespec* ts); |
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754 #endif /* HAVE_CLOCK_GETTIME */ |
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|
755 |
|
849
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756 #ifndef HAVE_STRNDUP |
|
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757 char * strndup (char *str, size_t len); |
|
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758 #endif /* HAVE_STRNDUP */ |
|
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759 |
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760 |
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761 /*============================================================*/ |
|
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762 /* BINARY STRINGS */ |
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763 /*============================================================*/ |
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764 |
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765 /* Compute a hash value of a binary string. |
|
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766 The hash must remain local to this machine, there is no guarantee that same input |
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767 will give same output on a different system (endianness) */ |
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768 uint32_t fd_os_hash ( uint8_t * string, size_t len ); |
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769 |
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770 /* This type used for binary strings that contain no \0 except as their last character. |
|
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771 It means some string operations can be used on it. */ |
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772 typedef uint8_t * os0_t; |
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773 |
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774 /* Same as strdup but for os0_t strings */ |
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775 os0_t os0dup_int(os0_t s, size_t l); |
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776 #define os0dup( _s, _l) (void *)os0dup_int((os0_t)(_s), _l) |
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777 |
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778 /* Check that an octet string value can be used as os0_t */ |
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779 static __inline__ int fd_os_is_valid_os0(uint8_t * os, size_t oslen) { |
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780 /* The only situation where it is not valid is when it contains a \0 inside the octet string */ |
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781 return (memchr(os, '\0', oslen) == NULL); |
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782 } |
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783 |
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784 /* The following type denotes a verified DiameterIdentity value (that contains only pure letters, digits, hyphen, dot) */ |
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785 typedef char * DiamId_t; |
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786 |
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787 /* Maximum length of a hostname we accept */ |
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788 #ifndef HOST_NAME_MAX |
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789 #define HOST_NAME_MAX 512 |
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790 #endif /* HOST_NAME_MAX */ |
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791 |
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792 /* Check if a binary string contains a valid Diameter Identity value. |
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793 rfc3588 states explicitely that such a Diameter Identity consists only of ASCII characters. */ |
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794 int fd_os_is_valid_DiameterIdentity(uint8_t * os, size_t ossz); |
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795 |
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796 /* The following function validates a string as a Diameter Identity or applies the IDNA transformation on it |
|
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797 if *inoutsz is != 0 on entry, *id may not be \0-terminated. |
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798 memory has the following meaning: 0: *id can be realloc'd. 1: *id must be malloc'd on output (was static) |
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799 */ |
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800 int fd_os_validate_DiameterIdentity(char ** id, size_t * inoutsz, int memory); |
|
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801 |
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802 /* Create an order relationship for binary strings (not needed to be \0 terminated). |
|
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803 It does NOT mimic strings relationships so that it is more efficient. It is case sensitive. |
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804 (the strings are actually first ordered by their lengh, then by their bytes contents) |
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805 returns: -1 if os1 < os2; +1 if os1 > os2; 0 if they are equal */ |
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806 int fd_os_cmp_int(os0_t os1, size_t os1sz, os0_t os2, size_t os2sz); |
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807 #define fd_os_cmp(_o1, _l1, _o2, _l2) fd_os_cmp_int((os0_t)(_o1), _l1, (os0_t)(_o2), _l2) |
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808 |
|
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809 /* A roughly case-insensitive variant, which actually only compares ASCII chars (0-127) in a case-insentitive maneer |
| 1343 | 810 -- it does not support locales where a lowercase letter uses more space than upper case, such as ?? -> ss |
|
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811 It is slower than fd_os_cmp. |
|
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812 Note that the result is NOT the same as strcasecmp !!! |
|
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813 |
|
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814 This function gives the same order as fd_os_cmp, except when it finds 2 strings to be equal. |
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815 However this is not always sufficient: |
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816 for example fd_os_cmp gives: "Ac" < "aB" < "aa" |
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817 if you attempt to fd_os_almostcasesrch "Aa" you will actually have to go past "aB" which is > "Aa". |
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818 Therefore you can use the maybefurther parameter. |
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819 This parameter is 1 on return if os1 may have been stored further that os2 (assuming os2 values are ordered by fd_os_cmp) |
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820 and 0 if we are sure that it is not the case. |
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821 When looping through a list of fd_os_cmp classified values, this parameter must be used to stop looping, in addition to the comp result. |
|
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822 */ |
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823 int fd_os_almostcasesrch_int(uint8_t * os1, size_t os1sz, uint8_t * os2, size_t os2sz, int * maybefurther); |
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824 #define fd_os_almostcasesrch(_o1, _l1, _o2, _l2, _mb) fd_os_almostcasesrch_int((os0_t)(_o1), _l1, (os0_t)(_o2), _l2, _mb) |
| 0 | 825 |
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826 /* Analyze a DiameterURI and return its components. |
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827 Return EINVAL if the URI is not valid. |
|
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828 *diamid is malloc'd on function return and must be freed (it is processed by fd_os_validate_DiameterIdentity). |
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829 *secure is 0 (no security) or 1 (security enabled) on return. |
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830 *port is 0 (default) or a value in host byte order on return. |
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831 *transport is 0 (default) or IPPROTO_* on return. |
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832 *proto is 0 (default) or 'd' (diameter), 'r' (radius), or 't' (tacacs+) on return. |
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833 */ |
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834 int fd_os_parse_DiameterURI(uint8_t * uri, size_t urisz, DiamId_t * diamid, size_t * diamidlen, int * secure, uint16_t * port, int * transport, char *proto); |
|
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835 |
| 0 | 836 /*============================================================*/ |
| 837 /* THREADS */ | |
| 838 /*============================================================*/ | |
| 839 | |
| 840 /* Terminate a thread */ | |
| 841 static __inline__ int fd_thr_term(pthread_t * th) | |
| 842 { | |
| 843 void * th_ret = NULL; | |
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844 |
| 0 | 845 CHECK_PARAMS(th); |
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846 |
| 0 | 847 /* Test if it was already terminated */ |
| 848 if (*th == (pthread_t)NULL) | |
| 849 return 0; | |
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850 |
| 0 | 851 /* Cancel the thread if it is still running - ignore error if it was already terminated */ |
| 852 (void) pthread_cancel(*th); | |
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853 |
| 0 | 854 /* Then join the thread */ |
|
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855 CHECK_POSIX( pthread_join(*th, &th_ret) ); |
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856 |
|
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857 if (th_ret == PTHREAD_CANCELED) { |
|
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858 TRACE_DEBUG(ANNOYING, "The thread %p was canceled", (void *)*th); |
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859 } else { |
|
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860 TRACE_DEBUG(CALL, "The thread %p returned %p", (void *)*th, th_ret); |
| 0 | 861 } |
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862 |
| 0 | 863 /* Clean the location */ |
| 864 *th = (pthread_t)NULL; | |
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865 |
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866 return 0; |
| 0 | 867 } |
| 868 | |
|
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869 |
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870 /************* |
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871 Cancelation cleanup handlers for common objects |
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872 *************/ |
| 0 | 873 static __inline__ void fd_cleanup_mutex( void * mutex ) |
| 874 { | |
| 875 CHECK_POSIX_DO( pthread_mutex_unlock((pthread_mutex_t *)mutex), /* */); | |
| 876 } | |
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877 |
| 0 | 878 static __inline__ void fd_cleanup_rwlock( void * rwlock ) |
| 879 { | |
| 880 CHECK_POSIX_DO( pthread_rwlock_unlock((pthread_rwlock_t *)rwlock), /* */); | |
| 881 } | |
| 882 | |
| 883 static __inline__ void fd_cleanup_buffer( void * buffer ) | |
| 884 { | |
| 885 free(buffer); | |
| 886 } | |
|
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887 static __inline__ void fd_cleanup_socket(void * sockptr) |
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888 { |
|
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889 if (sockptr && (*(int *)sockptr > 0)) { |
| 179 | 890 CHECK_SYS_DO( close(*(int *)sockptr), /* ignore */ ); |
| 184 | 891 *(int *)sockptr = -1; |
|
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892 } |
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893 } |
| 0 | 894 |
|
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895 |
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896 /*============================================================*/ |
| 0 | 897 /* LISTS */ |
| 898 /*============================================================*/ | |
| 899 | |
| 900 /* The following structure represents a chained list element */ | |
| 901 struct fd_list { | |
| 902 struct fd_list *next; /* next element in the list */ | |
| 903 struct fd_list *prev; /* previous element in the list */ | |
| 904 struct fd_list *head; /* head of the list */ | |
|
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905 void *o; /* additional pointer, used for any purpose (ex: start of the parent object) */ |
| 0 | 906 }; |
| 907 | |
| 908 /* Initialize a list element */ | |
|
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909 #define FD_LIST_INITIALIZER( _list_name ) \ |
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910 { .next = & _list_name, .prev = & _list_name, .head = & _list_name, .o = NULL } |
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911 #define FD_LIST_INITIALIZER_O( _list_name, _obj ) \ |
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912 { .next = & _list_name, .prev = & _list_name, .head = & _list_name, .o = _obj } |
|
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913 void fd_list_init ( struct fd_list * list, void * obj ); |
| 0 | 914 |
| 915 /* Return boolean, true if the list is empty */ | |
|
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916 #define FD_IS_LIST_EMPTY( _list ) ((((struct fd_list *)(_list))->head == (_list)) && (((struct fd_list *)(_list))->next == (_list))) |
| 0 | 917 |
| 918 /* Insert an item in a list at known position */ | |
| 919 void fd_list_insert_after ( struct fd_list * ref, struct fd_list * item ); | |
| 920 void fd_list_insert_before ( struct fd_list * ref, struct fd_list * item ); | |
| 921 | |
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922 /* Move all elements from a list at the end of another */ |
|
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923 void fd_list_move_end(struct fd_list * ref, struct fd_list * senti); |
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924 |
|
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925 /* Insert an item in an ordered list -- ordering function must be provided. If duplicate object found, EEXIST and it is returned in ref_duplicate */ |
| 0 | 926 int fd_list_insert_ordered( struct fd_list * head, struct fd_list * item, int (*cmp_fct)(void *, void *), void ** ref_duplicate); |
| 927 | |
| 928 /* Unlink an item from a list */ | |
| 929 void fd_list_unlink ( struct fd_list * item ); | |
| 930 | |
|
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931 |
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932 |
| 0 | 933 |
| 934 /*============================================================*/ | |
| 935 /* DICTIONARY */ | |
| 936 /*============================================================*/ | |
|
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937 |
| 0 | 938 /* Structure that contains the complete dictionary definitions */ |
| 939 struct dictionary; | |
| 940 | |
| 941 /* Structure that contains a dictionary object */ | |
| 942 struct dict_object; | |
| 943 | |
| 944 /* Types of object in the dictionary. */ | |
| 945 enum dict_object_type { | |
| 946 DICT_VENDOR = 1, /* Vendor */ | |
| 947 DICT_APPLICATION, /* Diameter Application */ | |
| 948 DICT_TYPE, /* AVP data type */ | |
| 949 DICT_ENUMVAL, /* Named constant (value of an enumerated AVP type) */ | |
| 950 DICT_AVP, /* AVP */ | |
| 951 DICT_COMMAND, /* Diameter Command */ | |
| 952 DICT_RULE /* a Rule for AVP in command or grouped AVP */ | |
| 953 #define DICT_TYPE_MAX DICT_RULE | |
| 954 }; | |
|
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955 |
| 0 | 956 /* Initialize a dictionary */ |
| 957 int fd_dict_init(struct dictionary ** dict); | |
| 958 /* Destroy a dictionary */ | |
| 959 int fd_dict_fini(struct dictionary ** dict); | |
| 960 | |
| 961 /* | |
| 962 * FUNCTION: fd_dict_new | |
| 963 * | |
| 964 * PARAMETERS: | |
|
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965 * dict : Pointer to the dictionary where the object is created |
| 0 | 966 * type : What kind of object must be created |
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967 * data : pointer to the data for the object. |
| 972 | 968 * type parameter is used to determine the type of data (see below for detail). |
| 0 | 969 * parent : a reference to a parent object, if needed. |
| 970 * ref : upon successful creation, reference to new object is stored here if !null. | |
| 971 * | |
|
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972 * DESCRIPTION: |
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973 * Create a new object in the dictionary. |
| 0 | 974 * See following object sections in this header file for more information on data and parent parameters format. |
| 975 * | |
| 976 * RETURN VALUE: | |
| 977 * 0 : The object is created in the dictionary. | |
| 978 * EINVAL : A parameter is invalid. | |
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979 * EEXIST : This object is already defined in the dictionary (with conflicting data). |
| 0 | 980 * If "ref" is not NULL, it points to the existing element on return. |
| 981 * (other standard errors may be returned, too, with their standard meaning. Example: | |
| 982 * ENOMEM : Memory allocation for the new object element failed.) | |
| 983 */ | |
|
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984 int fd_dict_new ( struct dictionary * dict, enum dict_object_type type, void * data, struct dict_object * parent, struct dict_object ** ref ); |
| 0 | 985 |
| 986 /* | |
| 987 * FUNCTION: fd_dict_search | |
| 988 * | |
| 989 * PARAMETERS: | |
|
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990 * dict : Pointer to the dictionary where the object is searched |
| 0 | 991 * type : type of object that is being searched |
| 972 | 992 * criteria : how the object must be searched. See object-related sections below for more information. |
| 0 | 993 * what : depending on criteria, the data that must be searched. |
| 994 * result : On successful return, pointer to the object is stored here. | |
| 995 * retval : this value is returned if the object is not found and result is not NULL. | |
| 996 * | |
|
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997 * DESCRIPTION: |
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998 * Perform a search in the dictionary. |
| 972 | 999 * See the object-specific sections below to find how to look for each objects. |
| 0 | 1000 * If the "result" parameter is NULL, the function is used to check if an object is in the dictionary. |
| 1001 * Otherwise, a reference to the object is stored in result if found. | |
| 1002 * If result is not NULL and the object is not found, retval is returned (should be 0 or ENOENT usually) | |
| 1003 * | |
| 1004 * RETURN VALUE: | |
| 1005 * 0 : The object has been found in the dictionary, or *result is NULL. | |
| 1006 * EINVAL : A parameter is invalid. | |
| 1007 * ENOENT : No matching object has been found, and result was NULL. | |
| 1008 */ | |
|
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1009 int fd_dict_search ( struct dictionary * dict, enum dict_object_type type, int criteria, const void * what, struct dict_object ** result, int retval ); |
| 0 | 1010 |
| 1011 /* Special case: get the generic error command object */ | |
|
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1012 int fd_dict_get_error_cmd(struct dictionary * dict, struct dict_object ** obj); |
| 0 | 1013 |
| 1014 /* | |
| 1015 * FUNCTION: fd_dict_getval | |
| 1016 * | |
| 1017 * PARAMETERS: | |
| 1018 * object : Pointer to a dictionary object. | |
| 1019 * data : pointer to a structure to hold the data for the object. | |
| 1020 * The type is the same as "data" parameter in fd_dict_new function. | |
| 1021 * | |
|
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1022 * DESCRIPTION: |
| 0 | 1023 * Retrieve content of a dictionary object. |
| 1024 * See following object sections in this header file for more information on data and parent parameters format. | |
| 1025 * | |
| 1026 * RETURN VALUE: | |
| 1027 * 0 : The content of the object has been retrieved. | |
| 1028 * EINVAL : A parameter is invalid. | |
| 1029 */ | |
|
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1030 int fd_dict_getval ( struct dict_object * object, void * val); |
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1031 int fd_dict_gettype ( struct dict_object * object, enum dict_object_type * type); |
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1032 int fd_dict_getdict ( struct dict_object * object, struct dictionary ** dict); |
| 0 | 1033 |
| 1034 /* Debug functions */ | |
|
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1035 DECLARE_FD_DUMP_PROTOTYPE(fd_dict_dump_object, struct dict_object * obj); |
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1036 DECLARE_FD_DUMP_PROTOTYPE(fd_dict_dump, struct dictionary * dict); |
| 0 | 1037 |
|
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1038 /* Function to access full contents of the dictionary, see doc in dictionary.c */ |
|
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1039 int fd_dict_getlistof(int criteria, void * parent, struct fd_list ** sentinel); |
|
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1040 |
|
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1041 /* Function to remove an entry from the dictionary. |
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1042 This cannot be used if the object has children (for example a vendor with vendor-specific AVPs). |
|
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1043 In such case, the children must be removed first. */ |
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1044 int fd_dict_delete(struct dict_object * obj); |
|
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1045 |
| 0 | 1046 /* |
| 1047 *************************************************************************** | |
| 1048 * | |
|
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1049 * Vendor object |
| 0 | 1050 * |
| 1051 * These types are used to manage vendors in the dictionary | |
| 1052 * | |
| 1053 *************************************************************************** | |
| 1054 */ | |
| 1055 | |
| 1056 /* Type to hold a Vendor ID: "SMI Network Management Private Enterprise Codes" (RFC3232) */ | |
| 1057 typedef uint32_t vendor_id_t; | |
| 1058 | |
| 1059 /* Type to hold data associated to a vendor */ | |
| 1060 struct dict_vendor_data { | |
| 1061 vendor_id_t vendor_id; /* ID of a vendor */ | |
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1062 char * vendor_name; /* The name of this vendor */ |
| 0 | 1063 }; |
| 1064 | |
| 1065 /* The criteria for searching a vendor object in the dictionary */ | |
| 1066 enum { | |
| 1067 VENDOR_BY_ID = 10, /* "what" points to a vendor_id_t */ | |
|
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1068 VENDOR_BY_NAME, /* "what" points to a char * */ |
|
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1069 VENDOR_OF_APPLICATION, /* "what" points to a struct dict_object containing an application (see below) */ |
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1070 VENDOR_OF_AVP, /* "what" points to a struct dict_object containing an avp (see below) */ |
| 0 | 1071 }; |
| 1072 | |
| 1073 /*** | |
| 1074 * API usage : | |
| 1075 | |
| 1076 Note: the value of "vendor_name" is copied when the object is created, and the string may be disposed afterwards. | |
| 1077 On the other side, when value is retrieved with dict_getval, the string is not copied and MUST NOT be freed. It will | |
| 1078 be freed automatically along with the object itself with call to dict_fini later. | |
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1079 |
|
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1080 - fd_dict_new: |
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1081 The "parent" parameter is not used for vendors. |
| 0 | 1082 Sample code to create a vendor: |
| 1083 { | |
| 1084 int ret; | |
| 1085 struct dict_object * myvendor; | |
| 1086 struct dict_vendor_data myvendordata = { 23455, "my vendor name" }; -- just an example... | |
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1087 ret = fd_dict_new ( dict, DICT_VENDOR, &myvendordata, NULL, &myvendor ); |
| 0 | 1088 } |
| 1089 | |
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1090 - fd_dict_search: |
| 0 | 1091 Sample codes to look for a vendor object, by its id or name: |
| 1092 { | |
| 1093 int ret; | |
| 1094 struct dict_object * vendor_found; | |
| 1095 vendor_id_t vendorid = 23455; | |
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1096 ret = fd_dict_search ( dict, DICT_VENDOR, VENDOR_BY_ID, &vendorid, &vendor_found, ENOENT); |
| 0 | 1097 - or - |
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1098 ret = fd_dict_search ( dict, DICT_VENDOR, VENDOR_BY_NAME, "my vendor name", &vendor_found, ENOENT); |
| 0 | 1099 } |
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1100 |
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1101 - fd_dict_getval: |
| 0 | 1102 Sample code to retrieve the data from a vendor object: |
| 1103 { | |
| 1104 int ret; | |
| 1105 struct dict_object * myvendor; | |
| 1106 struct dict_vendor_data myvendordata; | |
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1107 ret = fd_dict_search ( dict, DICT_VENDOR, VENDOR_BY_NAME, "my vendor name", &myvendor, ENOENT); |
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1108 ret = fd_dict_getval ( myvendor, &myvendordata ); |
| 0 | 1109 printf("my vendor id: %d\n", myvendordata.vendor_id ); |
| 1110 } | |
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1111 |
| 0 | 1112 */ |
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1113 |
|
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1114 /* Special function: */ |
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1115 uint32_t * fd_dict_get_vendorid_list(struct dictionary * dict); |
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1116 |
| 0 | 1117 /* |
| 1118 *************************************************************************** | |
| 1119 * | |
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1120 * Application object |
| 0 | 1121 * |
| 1122 * These types are used to manage Diameter applications in the dictionary | |
| 1123 * | |
| 1124 *************************************************************************** | |
| 1125 */ | |
| 1126 | |
| 1127 /* Type to hold a Diameter application ID: IANA assigned value for this application. */ | |
| 1128 typedef uint32_t application_id_t; | |
| 1129 | |
| 1130 /* Type to hold data associated to an application */ | |
| 1131 struct dict_application_data { | |
| 1132 application_id_t application_id; /* ID of the application */ | |
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1133 char * application_name; /* The name of this application */ |
| 0 | 1134 }; |
| 1135 | |
| 1136 /* The criteria for searching an application object in the dictionary */ | |
| 1137 enum { | |
| 1138 APPLICATION_BY_ID = 20, /* "what" points to a application_id_t */ | |
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1139 APPLICATION_BY_NAME, /* "what" points to a char * */ |
| 972 | 1140 APPLICATION_OF_TYPE, /* "what" points to a struct dict_object containing a type object (see below) */ |
| 1141 APPLICATION_OF_COMMAND /* "what" points to a struct dict_object containing a command (see below) */ | |
| 0 | 1142 }; |
| 1143 | |
| 1144 /*** | |
| 1145 * API usage : | |
| 1146 | |
| 1147 The "parent" parameter of dict_new may point to a vendor object to inform of what vendor defines the application. | |
| 1148 for standard-track applications, the "parent" parameter should be NULL. | |
| 1149 The vendor associated to an application is retrieved with VENDOR_OF_APPLICATION search criteria on vendors. | |
| 1150 | |
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1151 - fd_dict_new: |
| 0 | 1152 Sample code for application creation: |
| 1153 { | |
| 1154 int ret; | |
| 1155 struct dict_object * vendor; | |
| 1156 struct dict_object * appl; | |
| 1157 struct dict_vendor_data vendor_data = { | |
| 1158 23455, | |
| 1159 "my vendor name" | |
| 1160 }; | |
| 1161 struct dict_application_data app_data = { | |
| 1162 9789, | |
| 1163 "my vendor's application" | |
| 1164 }; | |
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1165 |
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1166 ret = fd_dict_new ( dict, DICT_VENDOR, &vendor_data, NULL, &vendor ); |
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1167 ret = fd_dict_new ( dict, DICT_APPLICATION, &app_data, vendor, &appl ); |
| 0 | 1168 } |
| 1169 | |
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1170 - fd_dict_search: |
| 0 | 1171 Sample code to retrieve the vendor of an application |
| 1172 { | |
| 1173 int ret; | |
| 1174 struct dict_object * vendor, * appli; | |
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1175 |
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1176 ret = fd_dict_search ( dict, DICT_APPLICATION, APPLICATION_BY_NAME, "my vendor's application", &appli, ENOENT); |
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1177 ret = fd_dict_search ( dict, DICT_VENDOR, VENDOR_OF_APPLICATION, appli, &vendor, ENOENT); |
| 0 | 1178 } |
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1179 |
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1180 - fd_dict_getval: |
| 0 | 1181 Sample code to retrieve the data from an application object: |
| 1182 { | |
| 1183 int ret; | |
| 1184 struct dict_object * appli; | |
| 1185 struct dict_application_data appl_data; | |
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1186 ret = fd_dict_search ( dict, DICT_APPLICATION, APPLICATION_BY_NAME, "my vendor's application", &appli, ENOENT); |
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1187 ret = fd_dict_getval ( appli, &appl_data ); |
| 0 | 1188 printf("my application id: %s\n", appl_data.application_id ); |
| 1189 } | |
| 1190 | |
| 1191 */ | |
| 1192 | |
| 1193 /* | |
| 1194 *************************************************************************** | |
| 1195 * | |
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1196 * Type object |
| 0 | 1197 * |
| 1198 * These types are used to manage AVP data types in the dictionary | |
| 1199 * | |
| 1200 *************************************************************************** | |
| 1201 */ | |
| 1202 | |
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1203 /* Type to store any AVP value */ |
| 0 | 1204 union avp_value { |
| 1205 struct { | |
| 1206 uint8_t *data; /* bytes buffer */ | |
| 1207 size_t len; /* length of the data buffer */ | |
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1208 } os; /* Storage for an octet string */ |
| 0 | 1209 int32_t i32; /* integer 32 */ |
| 1210 int64_t i64; /* integer 64 */ | |
| 1211 uint32_t u32; /* unsigned 32 */ | |
| 1212 uint64_t u64; /* unsigned 64 */ | |
| 1213 float f32; /* float 32 */ | |
| 1214 double f64; /* float 64 */ | |
| 1215 }; | |
| 1216 | |
| 1217 /* These are the basic AVP types defined in RFC3588bis */ | |
| 1218 enum dict_avp_basetype { | |
| 1219 AVP_TYPE_GROUPED, | |
| 1220 AVP_TYPE_OCTETSTRING, | |
| 1221 AVP_TYPE_INTEGER32, | |
| 1222 AVP_TYPE_INTEGER64, | |
| 1223 AVP_TYPE_UNSIGNED32, | |
| 1224 AVP_TYPE_UNSIGNED64, | |
| 1225 AVP_TYPE_FLOAT32, | |
| 1226 AVP_TYPE_FLOAT64 | |
| 1227 #define AVP_TYPE_MAX AVP_TYPE_FLOAT64 | |
| 1228 }; | |
| 1229 | |
| 1230 /* Callbacks that can be associated with a derived type to easily interpret the AVP value. */ | |
| 1231 /* | |
| 1232 * CALLBACK: dict_avpdata_interpret | |
| 1233 * | |
| 1234 * PARAMETERS: | |
| 1235 * val : Pointer to the AVP value that must be interpreted. | |
| 1236 * interpreted : The result of interpretation is stored here. The format and meaning depends on each type. | |
| 1237 * | |
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1238 * DESCRIPTION: |
| 0 | 1239 * This callback can be provided with a derived type in order to facilitate the interpretation of formated data. |
| 1240 * For example, when an AVP of type "Address" is received, it can be used to convert the octetstring into a struct sockaddr. | |
| 1241 * This callback is not called directly, but through the message's API msg_avp_value_interpret function. | |
| 1242 * | |
| 1243 * RETURN VALUE: | |
| 1244 * 0 : Operation complete. | |
| 1245 * !0 : An error occurred, the error code is returned. | |
| 1246 */ | |
| 1247 typedef int (*dict_avpdata_interpret) (union avp_value * value, void * interpreted); | |
| 1248 /* | |
| 1249 * CALLBACK: dict_avpdata_encode | |
| 1250 * | |
| 1251 * PARAMETERS: | |
| 1252 * data : The formated data that must be stored in the AVP value. | |
| 1253 * val : Pointer to the AVP value storage area where the data must be stored. | |
| 1254 * | |
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1255 * DESCRIPTION: |
| 0 | 1256 * This callback can be provided with a derived type in order to facilitate the encoding of formated data. |
| 1257 * For example, it can be used to convert a struct sockaddr in an AVP value of type Address. | |
| 1258 * This callback is not called directly, but through the message's API msg_avp_value_encode function. | |
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1259 * If the callback is defined for an OctetString based type, the created string must be malloc'd. free will be called |
| 0 | 1260 * automatically later. |
| 1261 * | |
| 1262 * RETURN VALUE: | |
| 1263 * 0 : Operation complete. | |
| 1264 * !0 : An error occurred, the error code is returned. | |
| 1265 */ | |
| 1266 typedef int (*dict_avpdata_encode) (void * data, union avp_value * val); | |
| 1267 | |
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1268 /* |
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1269 * CALLBACK: dict_avpdata_check |
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1270 * |
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1271 * PARAMETERS: |
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1272 * val : Pointer to the AVP value that was received and needs to be sanity checked. |
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1273 * data : a parameter stored in the type structure (to enable more generic check functions) |
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1274 * error_msg: upon erroneous value, a string describing the error can be returned here (it will be strcpy by caller). This description will be returned in the error message, if any. |
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1275 * |
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1276 * DESCRIPTION: |
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1277 * This callback can be provided with a derived type in order to improve the operation of the |
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1278 * fd_msg_parse_dict function. When this callback is present, the value of the AVP that has |
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1279 * been parsed is passed to this function for finer granularity check. For example for some |
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1280 * speccific AVP, the format of an OCTETSTRING value can be further checked, or the |
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1281 * interger value can be verified. |
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1282 * |
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1283 * RETURN VALUE: |
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1284 * 0 : The value is valid. |
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1285 * !0 : An error occurred, the error code is returned. It is advised to return EINVAL on incorrect val |
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1286 */ |
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1287 typedef int (*dict_avpdata_check) (void * data, union avp_value * val, char ** error_msg); |
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1288 |
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1289 |
| 0 | 1290 |
| 1291 /* Type to hold data associated to a derived AVP data type */ | |
| 1292 struct dict_type_data { | |
| 1293 enum dict_avp_basetype type_base; /* How the data of such AVP must be interpreted */ | |
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1294 char * type_name; /* The name of this type */ |
| 0 | 1295 dict_avpdata_interpret type_interpret;/* cb to convert the AVP value in more comprehensive format (or NULL) */ |
| 1296 dict_avpdata_encode type_encode; /* cb to convert formatted data into an AVP value (or NULL) */ | |
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1297 DECLARE_FD_DUMP_PROTOTYPE((*type_dump), union avp_value * val); /* cb called by fd_msg_dump_* for this type of data (if != NULL). Returned string must be freed. */ |
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1298 dict_avpdata_check type_check; |
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1299 void * type_check_param; |
| 0 | 1300 }; |
| 1301 | |
| 1302 /* The criteria for searching a type object in the dictionary */ | |
| 1303 enum { | |
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1304 TYPE_BY_NAME = 30, /* "what" points to a char * */ |
| 972 | 1305 TYPE_OF_ENUMVAL, /* "what" points to a struct dict_object containing an enumerated constant (DICT_ENUMVAL, see below). */ |
| 0 | 1306 TYPE_OF_AVP /* "what" points to a struct dict_object containing an AVP object. */ |
| 1307 }; | |
| 1308 | |
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1309 /**** |
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1310 Callbacks defined in libfdproto/dictionary_functions.c file -- see that file for usage. |
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1311 */ |
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1312 |
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1313 /* Convert an Address type AVP into a struct sockaddr_storage */ |
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1314 int fd_dictfct_Address_encode(void * data, union avp_value * avp_value); |
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1315 int fd_dictfct_Address_interpret(union avp_value * avp_value, void * interpreted); |
|
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1316 DECLARE_FD_DUMP_PROTOTYPE(fd_dictfct_Address_dump, union avp_value * avp_value); |
|
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1317 |
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1318 /* Display the content of an AVP of type UTF8String in the log file */ |
|
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1319 DECLARE_FD_DUMP_PROTOTYPE(fd_dictfct_UTF8String_dump, union avp_value * avp_value); |
|
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1320 |
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1321 /* For Time AVPs, map with time_t value directly */ |
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1322 int fd_dictfct_Time_encode(void * data, union avp_value * avp_value); |
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1323 int fd_dictfct_Time_interpret(union avp_value * avp_value, void * interpreted); |
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1324 DECLARE_FD_DUMP_PROTOTYPE(fd_dictfct_Time_dump, union avp_value * avp_value); |
|
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1325 |
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1326 |
|
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1327 /* For string AVP, the following type_check function provides simple basic check for specific characters presence, e.g. use "@." for trivial email address check */ |
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1328 int fd_dictfct_CharInOS_check(void * data, union avp_value * val, char ** error_msg); |
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1329 |
|
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1330 |
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1331 /****/ |
| 0 | 1332 |
| 1333 /*** | |
| 1334 * API usage : | |
| 1335 | |
|
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1336 - fd_dict_new: |
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1337 The "parent" parameter may point to an application object, when a type is defined by a Diameter application. |
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1338 |
| 0 | 1339 Sample code: |
| 1340 { | |
| 1341 int ret; | |
| 1342 struct dict_object * mytype; | |
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1343 struct dict_type_data mytypedata = |
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1344 { |
| 0 | 1345 AVP_TYPE_OCTETSTRING, |
| 1346 "Address", | |
| 1347 NULL, | |
| 1348 NULL | |
| 1349 }; | |
|
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1350 ret = fd_dict_new ( dict, DICT_TYPE, &mytypedata, NULL, &mytype ); |
| 0 | 1351 } |
| 1352 | |
|
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1353 - fd_dict_search: |
| 0 | 1354 Sample code: |
| 1355 { | |
| 1356 int ret; | |
| 1357 struct dict_object * address_type; | |
|
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1358 ret = fd_dict_search ( dict, DICT_TYPE, TYPE_BY_NAME, "Address", &address_type, ENOENT); |
| 0 | 1359 } |
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1360 |
| 0 | 1361 */ |
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1362 |
| 0 | 1363 /* |
| 1364 *************************************************************************** | |
| 1365 * | |
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1366 * Enumerated values object |
| 0 | 1367 * |
| 1368 * These types are used to manage named constants of some AVP, | |
|
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1369 * for enumerated types. freeDiameter allows constants for types others than Unsigned32 |
| 0 | 1370 * |
| 1371 *************************************************************************** | |
| 1372 */ | |
| 1373 | |
| 1374 /* Type to hold data of named constants for AVP */ | |
| 1375 struct dict_enumval_data { | |
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1376 char * enum_name; /* The name of this constant */ |
| 0 | 1377 union avp_value enum_value; /* Value of the constant. Union term depends on parent type's base type. */ |
| 1378 }; | |
| 1379 | |
| 1380 /* The criteria for searching a constant in the dictionary */ | |
| 1381 enum { | |
| 972 | 1382 ENUMVAL_BY_STRUCT = 40, /* "what" points to a struct dict_enumval_request as defined below */ |
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1383 ENUMVAL_BY_NAME, /* This cannot be used for searches */ |
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1384 ENUMVAL_BY_VALUE /* This cannot be used for searches */ |
| 0 | 1385 }; |
| 1386 | |
| 1387 struct dict_enumval_request { | |
| 1388 /* Identifier of the parent type, one of the following must not be NULL */ | |
| 1389 struct dict_object *type_obj; | |
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1390 char * type_name; |
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1391 |
| 0 | 1392 /* Search criteria for the constant */ |
| 1393 struct dict_enumval_data search; /* search.enum_value is used only if search.enum_name == NULL */ | |
| 1394 }; | |
| 1395 | |
| 1396 /*** | |
| 1397 * API usage : | |
| 1398 | |
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1399 - fd_dict_new: |
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1400 The "parent" parameter must point to a derived type object. |
| 0 | 1401 Sample code to create a type "Boolean" with two constants "True" and "False": |
| 1402 { | |
| 1403 int ret; | |
| 1404 struct dict_object * type_boolean; | |
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1405 struct dict_type_data type_boolean_data = |
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1406 { |
| 0 | 1407 AVP_TYPE_INTEGER32, |
| 1408 "Boolean", | |
| 1409 NULL, | |
| 1410 NULL | |
| 1411 }; | |
| 1412 struct dict_enumval_data boolean_false = | |
| 1413 { | |
| 1414 .enum_name="False", | |
| 1415 .enum_value.i32 = 0 | |
| 1416 }; | |
| 1417 struct dict_enumval_data boolean_true = | |
| 1418 { | |
| 1419 .enum_name="True", | |
| 1420 .enum_value.i32 = -1 | |
| 1421 }; | |
|
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1422 ret = fd_dict_new ( dict, DICT_TYPE, &type_boolean_data, NULL, &type_boolean ); |
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1423 ret = fd_dict_new ( dict, DICT_ENUMVAL, &boolean_false, type_boolean, NULL ); |
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1424 ret = fd_dict_new ( dict, DICT_ENUMVAL, &boolean_true , type_boolean, NULL ); |
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1425 |
| 0 | 1426 } |
| 1427 | |
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1428 - fd_dict_search: |
| 0 | 1429 Sample code to look for a constant name, by its value: |
| 1430 { | |
| 1431 int ret; | |
| 1432 struct dict_object * value_found; | |
| 1433 struct dict_enumval_request boolean_by_value = | |
| 1434 { | |
| 1435 .type_name = "Boolean", | |
| 1436 .search.enum_name=NULL, | |
| 1437 .search.enum_value.i32 = -1 | |
| 1438 }; | |
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1439 |
|
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1440 ret = fd_dict_search ( dict, DICT_ENUMVAL, ENUMVAL_BY_STRUCT, &boolean_by_value, &value_found, ENOENT); |
| 0 | 1441 } |
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1442 |
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1443 - fd_dict_getval: |
| 0 | 1444 Sample code to retrieve the data from a constant object: |
| 1445 { | |
| 1446 int ret; | |
| 1447 struct dict_object * value_found; | |
| 1448 struct dict_enumval_data boolean_data = NULL; | |
| 1449 struct dict_enumval_request boolean_by_value = | |
| 1450 { | |
| 1451 .type_name = "Boolean", | |
| 1452 .search.enum_name=NULL, | |
| 1453 .search.enum_value.i32 = 0 | |
| 1454 }; | |
|
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1455 |
|
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1456 ret = fd_dict_search ( dict, DICT_ENUMVAL, ENUMVAL_BY_STRUCT, &boolean_by_value, &value_found, ENOENT); |
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1457 ret = fd_dict_getval ( value_found, &boolean_data ); |
| 0 | 1458 printf(" Boolean with value 0: %s", boolean_data.enum_name ); |
| 1459 } | |
| 1460 */ | |
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1461 |
| 0 | 1462 /* |
| 1463 *************************************************************************** | |
| 1464 * | |
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1465 * AVP object |
| 0 | 1466 * |
| 1467 * These objects are used to manage AVP definitions in the dictionary | |
| 1468 * | |
| 1469 *************************************************************************** | |
| 1470 */ | |
| 1471 | |
| 1472 /* Type to hold an AVP code. For vendor 0, these codes are assigned by IANA. Otherwise, it is managed by the vendor */ | |
| 1473 typedef uint32_t avp_code_t; | |
| 1474 | |
| 1475 /* Values of AVP flags */ | |
| 1476 #define AVP_FLAG_VENDOR 0x80 | |
| 1477 #define AVP_FLAG_MANDATORY 0x40 | |
| 1478 #define AVP_FLAG_RESERVED3 0x20 | |
| 1479 #define AVP_FLAG_RESERVED4 0x10 | |
| 1480 #define AVP_FLAG_RESERVED5 0x08 | |
| 1481 #define AVP_FLAG_RESERVED6 0x04 | |
| 1482 #define AVP_FLAG_RESERVED7 0x02 | |
| 1483 #define AVP_FLAG_RESERVED8 0x01 | |
| 1484 | |
|
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1485 /* For dumping flags and values */ |
|
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1486 #define DUMP_AVPFL_str "%c%c%s%s%s%s%s%s" |
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1487 #define DUMP_AVPFL_val(_val) (_val & AVP_FLAG_VENDOR)?'V':'-' , (_val & AVP_FLAG_MANDATORY)?'M':'-', \ |
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1488 (_val & AVP_FLAG_RESERVED3)?"3":"", (_val & AVP_FLAG_RESERVED4)?"4":"", \ |
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1489 (_val & AVP_FLAG_RESERVED5)?"5":"", (_val & AVP_FLAG_RESERVED6)?"6":"", (_val & AVP_FLAG_RESERVED7)?"7":"", (_val & AVP_FLAG_RESERVED8)?"8":"" |
| 0 | 1490 |
| 1491 /* Type to hold data associated to an avp */ | |
| 1492 struct dict_avp_data { | |
| 1493 avp_code_t avp_code; /* Code of the avp */ | |
| 1494 vendor_id_t avp_vendor; /* Vendor of the AVP, or 0 */ | |
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1495 char * avp_name; /* Name of this AVP */ |
| 0 | 1496 uint8_t avp_flag_mask; /* Mask of fixed AVP flags */ |
| 1497 uint8_t avp_flag_val; /* Values of the fixed flags */ | |
| 1498 enum dict_avp_basetype avp_basetype; /* Basic type of data found in the AVP */ | |
| 1499 }; | |
| 1500 | |
| 1501 /* The criteria for searching an avp object in the dictionary */ | |
| 1502 enum { | |
| 1503 AVP_BY_CODE = 50, /* "what" points to an avp_code_t, vendor is always 0 */ | |
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1504 AVP_BY_NAME, /* "what" points to a char *, vendor is always 0 */ |
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1505 AVP_BY_NAME_ALL_VENDORS,/* "what" points to a string. Might be quite slow... */ |
| 972 | 1506 AVP_BY_STRUCT, /* "what" points to a struct dict_avp_request_ex (see below) */ |
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1507 |
|
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1508 /* kept for backward compatibility, better use AVP_BY_STRUCT above instead */ |
| 972 | 1509 AVP_BY_CODE_AND_VENDOR, /* "what" points to a struct dict_avp_request (see below), where avp_vendor and avp_code are set */ |
| 1510 AVP_BY_NAME_AND_VENDOR /* "what" points to a struct dict_avp_request (see below), where avp_vendor and avp_name are set */ | |
| 0 | 1511 }; |
| 1512 | |
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1513 /* Struct used for some searches */ |
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1514 struct dict_avp_request_ex { |
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1515 struct { |
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1516 /* Only one of the following fields must be set. */ |
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1517 struct dict_object * vendor; /* most efficient if already known, set to NULL to ignore */ |
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1518 vendor_id_t vendor_id; /* set to 0 to ignore -- prefer AVP_BY_CODE or AVP_BY_NAME for vendor 0 */ |
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1519 const char * vendor_name; /* set to NULL to ignore */ |
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1520 } avp_vendor; |
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1521 |
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1522 struct { |
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1523 /* Only one of the following fields must be set */ |
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1524 avp_code_t avp_code; /* set to 0 to ignore */ |
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1525 const char * avp_name; /* set to NULL to ignore */ |
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1526 } avp_data; |
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1527 }; |
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1528 |
| 0 | 1529 struct dict_avp_request { |
| 1530 vendor_id_t avp_vendor; | |
| 1531 avp_code_t avp_code; | |
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1532 char * avp_name; |
| 0 | 1533 }; |
| 1534 | |
| 1535 | |
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1536 |
| 0 | 1537 /*** |
| 1538 * API usage : | |
| 1539 | |
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1540 If "parent" parameter is not NULL during AVP creation, it must point to a DICT_TYPE object. |
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1541 The extended type is then attached to the AVP. In case where it is an enumerated type, the value of |
| 0 | 1542 AVP is automatically interpreted in debug messages, and in message checks. |
| 1543 The derived type of an AVP can be retrieved with: dict_search ( DICT_TYPE, TYPE_OF_AVP, avp, ... ) | |
| 1544 | |
| 1545 To create the rules (ABNF) for children of Grouped AVP, see the DICT_RULE related part. | |
| 1546 | |
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1547 - fd_dict_new: |
| 0 | 1548 Sample code for AVP creation: |
| 1549 { | |
| 1550 int ret; | |
| 1551 struct dict_object * user_name_avp; | |
| 1552 struct dict_object * boolean_type; | |
| 1553 struct dict_object * sample_boolean_avp; | |
| 1554 struct dict_avp_data user_name_data = { | |
| 1555 1, // code | |
| 1556 0, // vendor | |
| 1557 "User-Name", // name | |
| 1558 AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, // fixed mask: V and M values must always be defined as follow. other flags can be set or cleared | |
| 1559 AVP_FLAG_MANDATORY, // the V flag must be cleared, the M flag must be set. | |
| 1560 AVP_TYPE_OCTETSTRING // User-Name AVP contains OctetString data (further precision such as UTF8String can be given with a parent derived type) | |
| 1561 }; | |
| 1562 struct dict_avp_data sample_boolean_data = { | |
| 1563 31337, | |
| 1564 23455, | |
| 1565 "Sample-Boolean", | |
| 1566 AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, | |
| 1567 AVP_FLAG_VENDOR, | |
| 1568 AVP_TYPE_INTEGER32 // This MUST be the same as parent type's | |
| 1569 }; | |
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1570 |
| 0 | 1571 -- Create an AVP with a base type -- |
|
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1572 ret = fd_dict_new ( dict, DICT_AVP, &user_name_data, NULL, &user_name_avp ); |
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1573 |
| 0 | 1574 -- Create an AVP with a derived type -- |
|
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1575 ret = fd_dict_search ( dict, DICT_TYPE, TYPE_BY_NAME, "Boolean", &boolean_type, ENOENT); |
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1576 ret = fd_dict_new ( dict, DICT_AVP, &sample_boolean_data , boolean_type, &sample_boolean_avp ); |
|
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1577 |
| 0 | 1578 } |
| 1579 | |
|
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1580 - fd_dict_search: |
| 0 | 1581 Sample code to look for an AVP |
| 1582 { | |
| 1583 int ret; | |
| 1584 struct dict_object * avp_username; | |
| 1585 struct dict_object * avp_sampleboolean; | |
| 1586 struct dict_avp_request avpvendorboolean = | |
| 1587 { | |
| 1588 .avp_vendor = 23455, | |
| 1589 .avp_name = "Sample-Boolean" | |
| 1590 }; | |
|
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1591 |
|
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1592 ret = fd_dict_search ( dict, DICT_AVP, AVP_BY_NAME, "User-Name", &avp_username, ENOENT); |
|
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1593 |
|
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1594 ret = fd_dict_search ( dict, DICT_AVP, AVP_BY_NAME_AND_VENDOR, &avpvendorboolean, &avp_sampleboolean, ENOENT); |
|
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1595 |
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1596 -- this would also work, but be slower, because it has to search all vendor dictionaries -- |
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1597 ret = fd_dict_search ( dict, DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "Sample-Boolean", &avp_sampleboolean, ENOENT); |
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1598 |
| 0 | 1599 } |
|
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1600 |
|
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1601 - fd_dict_getval: |
| 0 | 1602 Sample code to retrieve the data from an AVP object: |
| 1603 { | |
| 1604 int ret; | |
| 1605 struct dict_object * avp_username; | |
| 1606 struct dict_avp_data user_name_data; | |
|
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1607 ret = fd_dict_search ( dict, DICT_AVP, AVP_BY_NAME, "User-Name", &avp_username, ENOENT); |
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1608 ret = fd_dict_getval ( avp_username, &user_name_data ); |
| 0 | 1609 printf("User-Name code: %d\n", user_name_data.avp_code ); |
| 1610 } | |
| 1611 | |
| 1612 */ | |
| 1613 | |
| 1614 /* | |
| 1615 *************************************************************************** | |
| 1616 * | |
|
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1617 * Command object |
| 0 | 1618 * |
| 1619 * These types are used to manage commands objects in the dictionary | |
| 1620 * | |
| 1621 *************************************************************************** | |
| 1622 */ | |
| 1623 | |
| 1624 /* Type to hold a Diameter command code: IANA assigned values. 0x0-0x7fffff=standard, 0x800000-0xfffffd=vendors, 0xfffffe-0xffffff=experimental */ | |
| 1625 typedef uint32_t command_code_t; | |
| 1626 | |
| 1627 /* Values of command flags */ | |
| 1628 #define CMD_FLAG_REQUEST 0x80 | |
| 1629 #define CMD_FLAG_PROXIABLE 0x40 | |
| 1630 #define CMD_FLAG_ERROR 0x20 | |
| 1631 #define CMD_FLAG_RETRANSMIT 0x10 | |
| 1632 #define CMD_FLAG_RESERVED5 0x08 | |
| 1633 #define CMD_FLAG_RESERVED6 0x04 | |
| 1634 #define CMD_FLAG_RESERVED7 0x02 | |
| 1635 #define CMD_FLAG_RESERVED8 0x01 | |
| 1636 | |
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1637 /* For dumping flags and values */ |
|
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1638 #define DUMP_CMDFL_str "%c%c%c%c%s%s%s%s" |
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1639 #define DUMP_CMDFL_val(_val) (_val & CMD_FLAG_REQUEST)?'R':'-' , (_val & CMD_FLAG_PROXIABLE)?'P':'-' , (_val & CMD_FLAG_ERROR)?'E':'-' , (_val & CMD_FLAG_RETRANSMIT)?'T':'-', \ |
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1640 (_val & CMD_FLAG_RESERVED5)?"5":"", (_val & CMD_FLAG_RESERVED6)?"6":"", (_val & CMD_FLAG_RESERVED7)?"7":"", (_val & CMD_FLAG_RESERVED8)?"8":"" |
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1641 |
| 0 | 1642 /* Type to hold data associated to a command */ |
| 1643 struct dict_cmd_data { | |
| 1644 command_code_t cmd_code; /* code of the command */ | |
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1645 char * cmd_name; /* Name of the command */ |
| 0 | 1646 uint8_t cmd_flag_mask; /* Mask of fixed-value flags */ |
| 1647 uint8_t cmd_flag_val; /* values of the fixed flags */ | |
| 1648 }; | |
| 1649 | |
| 1650 /* The criteria for searching an avp object in the dictionary */ | |
| 1651 enum { | |
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1652 CMD_BY_NAME = 60, /* "what" points to a char * */ |
| 0 | 1653 CMD_BY_CODE_R, /* "what" points to a command_code_t. The "Request" command is returned. */ |
| 1654 CMD_BY_CODE_A, /* "what" points to a command_code_t. The "Answer" command is returned. */ | |
| 1655 CMD_ANSWER /* "what" points to a struct dict_object of a request command. The corresponding "Answer" command is returned. */ | |
| 1656 }; | |
| 1657 | |
| 1658 | |
| 1659 /*** | |
| 1660 * API usage : | |
| 1661 | |
| 1662 The "parent" parameter of dict_new may point to an application object to inform of what application defines the command. | |
| 1663 The application associated to a command is retrieved with APPLICATION_OF_COMMAND search criteria on applications. | |
| 1664 | |
| 1665 To create the rules for children of commands, see the DICT_RULE related part. | |
| 1666 | |
| 1667 Note that the "Request" and "Answer" commands are two independant objects. This allows to have different rules for each. | |
| 1668 | |
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1669 - fd_dict_new: |
| 0 | 1670 Sample code for command creation: |
| 1671 { | |
| 1672 int ret; | |
| 1673 struct dict_object * cer; | |
| 1674 struct dict_object * cea; | |
| 1675 struct dict_cmd_data ce_data = { | |
| 1676 257, // code | |
| 1677 "Capabilities-Exchange-Request", // name | |
| 1678 CMD_FLAG_REQUEST, // mask | |
| 1679 CMD_FLAG_REQUEST // value. Only the "R" flag is constrained here, set. | |
| 1680 }; | |
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1681 |
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1682 ret = fd_dict_new (dict, DICT_COMMAND, &ce_data, NULL, &cer ); |
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1683 |
| 0 | 1684 ce_data.cmd_name = "Capabilities-Exchange-Answer"; |
| 1685 ce_data.cmd_flag_val = 0; // Same constraint on "R" flag, but this time it must be cleared. | |
| 1686 | |
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1687 ret = fd_dict_new ( dict, DICT_COMMAND, &ce_data, NULL, &cea ); |
| 0 | 1688 } |
| 1689 | |
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1690 - fd_dict_search: |
| 0 | 1691 Sample code to look for a command |
| 1692 { | |
| 1693 int ret; | |
| 1694 struct dict_object * cer, * cea; | |
| 1695 command_code_t code = 257; | |
|
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1696 ret = fd_dict_search ( dict, DICT_COMMAND, CMD_BY_NAME, "Capabilities-Exchange-Request", &cer, ENOENT); |
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1697 ret = fd_dict_search ( dict, DICT_COMMAND, CMD_BY_CODE_R, &code, &cer, ENOENT); |
| 0 | 1698 } |
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1699 |
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1700 - fd_dict_getval: |
| 0 | 1701 Sample code to retrieve the data from a command object: |
| 1702 { | |
| 1703 int ret; | |
| 1704 struct dict_object * cer; | |
| 1705 struct dict_object * cea; | |
| 1706 struct dict_cmd_data cea_data; | |
|
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1707 ret = fd_dict_search ( dict, DICT_COMMAND, CMD_BY_NAME, "Capabilities-Exchange-Request", &cer, ENOENT); |
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1708 ret = fd_dict_search ( dict, DICT_COMMAND, CMD_ANSWER, cer, &cea, ENOENT); |
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1709 ret = fd_dict_getval ( cea, &cea_data ); |
| 0 | 1710 printf("Answer to CER: %s\n", cea_data.cmd_name ); |
| 1711 } | |
| 1712 | |
| 1713 */ | |
| 1714 | |
| 1715 /* | |
| 1716 *************************************************************************** | |
| 1717 * | |
| 1718 * Rule object | |
| 1719 * | |
| 1720 * These objects are used to manage rules in the dictionary (ABNF implementation) | |
| 1721 * This is used for checking messages validity (more powerful than a DTD) | |
| 1722 * | |
| 1723 *************************************************************************** | |
| 1724 */ | |
| 1725 | |
| 1726 /* This defines the kind of rule that is defined */ | |
| 1727 enum rule_position { | |
| 1728 RULE_FIXED_HEAD = 1, /* The AVP must be at the head of the group. The rule_order field is used to specify the position. */ | |
| 1729 RULE_REQUIRED, /* The AVP must be present in the parent, but its position is not defined. */ | |
| 1730 RULE_OPTIONAL, /* The AVP may be present in the message. Used to specify a max number of occurences for example */ | |
| 1731 RULE_FIXED_TAIL /* The AVP must be at the end of the group. The rule_order field is used to specify the position. */ | |
| 1732 }; | |
| 1733 | |
| 1734 /* Content of a RULE object data */ | |
| 1735 struct dict_rule_data { | |
| 1736 struct dict_object *rule_avp; /* Pointer to the AVP object that is concerned by this rule */ | |
| 1737 enum rule_position rule_position; /* The position in which the rule_avp must appear in the parent */ | |
| 1738 unsigned rule_order; /* for RULE_FIXED_* rules, the place. 1,2,3.. for HEAD rules; ...,3,2,1 for TAIL rules. */ | |
| 1739 int rule_min; /* Minimum number of occurences. -1 means "default": 0 for optional rules, 1 for other rules */ | |
| 1740 int rule_max; /* Maximum number of occurences. -1 means no maximum. 0 means the AVP is forbidden. */ | |
| 1741 }; | |
| 1742 | |
| 1743 /* The criteria for searching a rule in the dictionary */ | |
| 1744 enum { | |
| 972 | 1745 RULE_BY_AVP_AND_PARENT = 70 /* "what" points to a struct dict_rule_request -- see below. This is used to query "what is the rule for this AVP in this group?" */ |
| 0 | 1746 }; |
| 1747 | |
| 1748 /* Structure for querying the dictionary about a rule */ | |
| 1749 struct dict_rule_request { | |
| 1750 struct dict_object *rule_parent; /* The grouped avp or command to which the rule apply */ | |
| 1751 struct dict_object *rule_avp; /* The AVP concerned by this rule */ | |
| 1752 }; | |
| 1753 | |
| 1754 | |
| 1755 /*** | |
| 1756 * API usage : | |
| 1757 | |
| 1758 The "parent" parameter can not be NULL. It points to the object (grouped avp or command) to which this rule apply (i.e. for which the ABNF is defined). | |
| 1759 | |
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1760 - fd_dict_new: |
| 0 | 1761 Sample code for rule creation. Let's create the Proxy-Info grouped AVP for example. |
| 1762 { | |
| 1763 int ret; | |
| 1764 struct dict_object * proxy_info_avp; | |
| 1765 struct dict_object * proxy_host_avp; | |
| 1766 struct dict_object * proxy_state_avp; | |
| 1767 struct dict_object * diameteridentity_type; | |
| 1768 struct dict_rule_data rule_data; | |
| 1769 struct dict_type_data di_type_data = { AVP_TYPE_OCTETSTRING, "DiameterIdentity", NULL, NULL }; | |
| 1770 struct dict_avp_data proxy_info_data = { 284, 0, "Proxy-Info", AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, AVP_FLAG_MANDATORY, AVP_TYPE_GROUPED }; | |
| 1771 struct dict_avp_data proxy_host_data = { 280, 0, "Proxy-Host", AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, AVP_FLAG_MANDATORY, AVP_TYPE_OCTETSTRING }; | |
| 1772 struct dict_avp_data proxy_state_data = { 33, 0, "Proxy-State",AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, AVP_FLAG_MANDATORY, AVP_TYPE_OCTETSTRING }; | |
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1773 |
| 0 | 1774 -- Create the parent AVP |
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1775 ret = fd_dict_new ( dict, DICT_AVP, &proxy_info_data, NULL, &proxy_info_avp ); |
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1776 |
| 0 | 1777 -- Create the first child AVP. |
|
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1778 ret = fd_dict_new ( dict, DICT_TYPE, &di_type_data, NULL, &diameteridentity_type ); |
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1779 ret = fd_dict_new ( dict, DICT_AVP, &proxy_host_data, diameteridentity_type, &proxy_host_avp ); |
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1780 |
| 0 | 1781 -- Create the other child AVP |
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1782 ret = fd_dict_new ( dict, DICT_AVP, &proxy_state_data, NULL, &proxy_state_avp ); |
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1783 |
| 0 | 1784 -- Now we can create the rules. Both children AVP are mandatory. |
| 1785 rule_data.rule_position = RULE_REQUIRED; | |
| 1786 rule_data.rule_min = -1; | |
| 1787 rule_data.rule_max = -1; | |
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1788 |
| 0 | 1789 rule_data.rule_avp = proxy_host_avp; |
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1790 ret = fd_dict_new ( dict, DICT_RULE, &rule_data, proxy_info_avp, NULL ); |
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1791 |
| 0 | 1792 rule_data.rule_avp = proxy_state_avp; |
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1793 ret = fd_dict_new ( dict, DICT_RULE, &rule_data, proxy_info_avp, NULL ); |
| 0 | 1794 } |
| 1795 | |
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1796 - fd_dict_search and fd_dict_getval are similar to previous examples. |
| 0 | 1797 |
| 1798 */ | |
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1799 |
| 0 | 1800 /* Define some hard-coded values */ |
|
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1801 /* Application */ |
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1802 #define AI_RELAY 0xffffffff |
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1803 |
| 0 | 1804 /* Commands Codes */ |
| 1805 #define CC_CAPABILITIES_EXCHANGE 257 | |
| 1806 #define CC_RE_AUTH 258 | |
| 1807 #define CC_ACCOUNTING 271 | |
| 1808 #define CC_ABORT_SESSION 274 | |
| 1809 #define CC_SESSION_TERMINATION 275 | |
| 1810 #define CC_DEVICE_WATCHDOG 280 | |
| 1811 #define CC_DISCONNECT_PEER 282 | |
| 1812 | |
| 1813 /* AVPs (Vendor 0) */ | |
| 87 | 1814 #define AC_USER_NAME 1 |
| 0 | 1815 #define AC_PROXY_STATE 33 |
| 1816 #define AC_HOST_IP_ADDRESS 257 | |
| 1817 #define AC_AUTH_APPLICATION_ID 258 | |
| 1818 #define AC_ACCT_APPLICATION_ID 259 | |
| 1819 #define AC_VENDOR_SPECIFIC_APPLICATION_ID 260 | |
| 1820 #define AC_REDIRECT_HOST_USAGE 261 | |
| 1821 #define AC_REDIRECT_MAX_CACHE_TIME 262 | |
| 1822 #define AC_SESSION_ID 263 | |
| 1823 #define AC_ORIGIN_HOST 264 | |
| 1824 #define AC_SUPPORTED_VENDOR_ID 265 | |
| 1825 #define AC_VENDOR_ID 266 | |
| 1826 #define AC_FIRMWARE_REVISION 267 | |
| 1827 #define AC_RESULT_CODE 268 | |
| 1828 #define AC_PRODUCT_NAME 269 | |
| 1829 #define AC_DISCONNECT_CAUSE 273 | |
| 1830 #define ACV_DC_REBOOTING 0 | |
| 1831 #define ACV_DC_BUSY 1 | |
| 1832 #define ACV_DC_NOT_FRIEND 2 | |
| 1833 #define AC_ORIGIN_STATE_ID 278 | |
| 1834 #define AC_FAILED_AVP 279 | |
| 1835 #define AC_PROXY_HOST 280 | |
| 1836 #define AC_ERROR_MESSAGE 281 | |
| 1837 #define AC_ROUTE_RECORD 282 | |
| 1838 #define AC_DESTINATION_REALM 283 | |
| 1839 #define AC_PROXY_INFO 284 | |
| 1840 #define AC_REDIRECT_HOST 292 | |
| 1841 #define AC_DESTINATION_HOST 293 | |
| 1842 #define AC_ERROR_REPORTING_HOST 294 | |
| 1843 #define AC_ORIGIN_REALM 296 | |
| 1844 #define AC_INBAND_SECURITY_ID 299 | |
|
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1845 #define ACV_ISI_NO_INBAND_SECURITY 0 |
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1846 #define ACV_ISI_TLS 1 |
| 0 | 1847 |
|
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1848 /* Error codes from Base protocol |
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1849 (reference: http://www.iana.org/assignments/aaa-parameters/aaa-parameters.xml#aaa-parameters-4) |
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1850 Note that currently, rfc3588bis-26 has some different values for some of these |
|
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1851 */ |
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1852 #define ER_DIAMETER_MULTI_ROUND_AUTH 1001 |
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1853 |
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1854 #define ER_DIAMETER_SUCCESS 2001 |
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1855 #define ER_DIAMETER_LIMITED_SUCCESS 2002 |
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1856 |
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1857 #define ER_DIAMETER_COMMAND_UNSUPPORTED 3001 /* 5019 ? */ |
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1858 #define ER_DIAMETER_UNABLE_TO_DELIVER 3002 |
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1859 #define ER_DIAMETER_REALM_NOT_SERVED 3003 |
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1860 #define ER_DIAMETER_TOO_BUSY 3004 |
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1861 #define ER_DIAMETER_LOOP_DETECTED 3005 |
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1862 #define ER_DIAMETER_REDIRECT_INDICATION 3006 |
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1863 #define ER_DIAMETER_APPLICATION_UNSUPPORTED 3007 |
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1864 #define ER_DIAMETER_INVALID_HDR_BITS 3008 /* 5020 ? */ |
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1865 #define ER_DIAMETER_INVALID_AVP_BITS 3009 /* 5021 ? */ |
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1866 #define ER_DIAMETER_UNKNOWN_PEER 3010 /* 5018 ? */ |
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1867 |
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1868 #define ER_DIAMETER_AUTHENTICATION_REJECTED 4001 |
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1869 #define ER_DIAMETER_OUT_OF_SPACE 4002 |
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1870 #define ER_ELECTION_LOST 4003 |
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1871 |
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1872 #define ER_DIAMETER_AVP_UNSUPPORTED 5001 |
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1873 #define ER_DIAMETER_UNKNOWN_SESSION_ID 5002 |
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1874 #define ER_DIAMETER_AUTHORIZATION_REJECTED 5003 |
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1875 #define ER_DIAMETER_INVALID_AVP_VALUE 5004 |
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1876 #define ER_DIAMETER_MISSING_AVP 5005 |
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1877 #define ER_DIAMETER_RESOURCES_EXCEEDED 5006 |
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1878 #define ER_DIAMETER_CONTRADICTING_AVPS 5007 |
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1879 #define ER_DIAMETER_AVP_NOT_ALLOWED 5008 |
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1880 #define ER_DIAMETER_AVP_OCCURS_TOO_MANY_TIMES 5009 |
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1881 #define ER_DIAMETER_NO_COMMON_APPLICATION 5010 |
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1882 #define ER_DIAMETER_UNSUPPORTED_VERSION 5011 |
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1883 #define ER_DIAMETER_UNABLE_TO_COMPLY 5012 |
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1884 #define ER_DIAMETER_INVALID_BIT_IN_HEADER 5013 /* 3011 ? */ |
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1885 #define ER_DIAMETER_INVALID_AVP_LENGTH 5014 |
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1886 #define ER_DIAMETER_INVALID_MESSAGE_LENGTH 5015 /* 3012 ? */ |
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1887 #define ER_DIAMETER_INVALID_AVP_BIT_COMBO 5016 /* deprecated? */ |
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1888 #define ER_DIAMETER_NO_COMMON_SECURITY 5017 |
| 0 | 1889 |
|
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1890 |
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1891 /*============================================================*/ |
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1892 /* SESSIONS */ |
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1893 /*============================================================*/ |
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1894 |
|
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1895 /* Modules that want to associate a state with a Session-Id must first register a handler of this type */ |
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1896 struct session_handler; |
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1897 |
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1898 /* This opaque structure represents a session associated with a Session-Id */ |
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1899 struct session; |
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1900 |
|
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1901 /* The state information that a module associate with a session -- each module defines its own data format */ |
|
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1902 struct sess_state; /* declare this in your own extension */ |
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1903 |
|
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1904 typedef DECLARE_FD_DUMP_PROTOTYPE((*session_state_dump), struct sess_state * st); |
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1905 |
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1906 /* The following function must be called to activate the session expiry mechanism */ |
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1907 int fd_sess_start(void); |
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1908 |
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1909 /* |
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1910 * FUNCTION: fd_sess_handler_create |
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1911 * |
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1912 * PARAMETERS: |
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1913 * handler : location where the new handler must be stored. |
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1914 * cleanup : a callback function that must be called when the session with associated data is destroyed. |
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1915 * dumper : if not NULL, will be called during fd_sess_dump to display the data associated with a session. NULL otherwise. |
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1916 * opaque : A pointer that is passed to the cleanup callback -- the content is never examined by the framework. |
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1917 * |
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1918 * DESCRIPTION: |
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1919 * Create a new session handler. This is needed by a module to associate a state with a session object. |
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1920 * The cleanup handler is called when the session timeout expires, or fd_sess_destroy is called. It must free |
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1921 * the state associated with the session, and eventually trig other actions (send a STR, ...). |
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1922 * |
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1923 * RETURN VALUE: |
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1924 * 0 : The new handler has been created. |
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1925 * EINVAL : A parameter is invalid. |
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1926 * ENOMEM : Not enough memory to complete the operation |
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1927 */ |
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1928 int fd_sess_handler_create ( struct session_handler ** handler, void (*cleanup)(struct sess_state * state, os0_t sid, void * opaque), session_state_dump dumper, void * opaque ); |
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1929 |
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1930 |
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1931 /* |
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1932 * FUNCTION: fd_sess_handler_destroy |
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1933 * |
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1934 * PARAMETERS: |
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1935 * handler : location of an handler created by fd_sess_handler_create. |
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1936 * opaque : the opaque pointer registered with the callback is restored here (if ! NULL). |
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1937 * |
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1938 * DESCRIPTION: |
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1939 * This destroys a session handler (typically called when an application is shutting down). |
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1940 * If sessions states are registered with this handler, the cleanup callback is called on them. |
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1941 * |
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1942 * RETURN VALUE: |
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1943 * 0 : The handler was destroyed. |
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1944 * EINVAL : A parameter is invalid. |
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1945 * ENOMEM : Not enough memory to complete the operation |
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1946 */ |
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1947 int fd_sess_handler_destroy ( struct session_handler ** handler, void **opaque ); |
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1948 |
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1949 |
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1950 |
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1951 /* |
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1952 * FUNCTION: fd_sess_new |
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1953 * |
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1954 * PARAMETERS: |
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1955 * session : The location where the session object will be created upon success. |
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1956 * diamid : a Diameter Identity, or NULL. |
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1957 * diamidlen : if diamid is \0-terminated, this can be 0. Otherwise, the length of diamid. |
| 972 | 1958 * opt : Additional string, or NULL. Usage is described below. |
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1959 * optlen : if opt is \0-terminated, this can be 0. Otherwise, the length of opt. |
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1960 * |
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1961 * DESCRIPTION: |
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1962 * Create a new session object. The Session-Id string associated with this session is generated as follow: |
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1963 * If diamId parameter is provided, the string is created according to the RFC: <diamId>;<high32>;<low32>[;opt] where |
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1964 * diamId is a Diameter Identity. |
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1965 * high32 and low32 are the parts of a monotonic 64 bits counter initialized to (time, 0) at startup. |
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1966 * opt is an optional string that can be concatenated to the identifier. |
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1967 * If diamId is NULL, the string is exactly the content of opt. |
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1968 * |
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1969 * RETURN VALUE: |
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1970 * 0 : The session is created, the initial msg refcount is 1. |
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1971 * EINVAL : A parameter is invalid. |
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1972 * EALREADY : A session with the same name already exists (returned in *session), the msg refcount is increased. |
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1973 * ENOMEM : Not enough memory to complete the operation |
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1974 */ |
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1975 int fd_sess_new ( struct session ** session, DiamId_t diamid, size_t diamidlen, uint8_t * opt, size_t optlen ); |
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1976 |
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1977 /* |
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1978 * FUNCTION: fd_sess_fromsid |
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1979 * |
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1980 * PARAMETERS: |
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1981 * sid : pointer to a string containing a Session-Id (should be UTF-8). |
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1982 * len : length of the sid string (which does not need to be '\0'-terminated) |
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1983 * session : On success, pointer to the session object created / retrieved. |
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1984 * isnew : if not NULL, set to 1 on return if the session object has been created, 0 if it was simply retrieved. |
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1985 * |
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1986 * DESCRIPTION: |
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1987 * Retrieve a session object from a Session-Id string. In case no session object was previously existing with this |
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1988 * id, a new object is silently created (equivalent to fd_sess_new with flag SESSION_NEW_FULL). |
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1989 * |
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1990 * RETURN VALUE: |
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1991 * 0 : The session parameter has been updated. |
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1992 * EINVAL : A parameter is invalid. |
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1993 * ENOMEM : Not enough memory to complete the operation |
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1994 */ |
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1995 int fd_sess_fromsid ( uint8_t * sid, size_t len, struct session ** session, int * isnew); |
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1996 |
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1997 /* only use the following in specific situations, e.g. app_radgw extension. They are normally handled by the framework only */ |
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1998 int fd_sess_fromsid_msg ( uint8_t * sid, size_t len, struct session ** session, int * isnew); |
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1999 int fd_sess_ref_msg ( struct session * session ); |
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2000 |
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2001 /* |
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2002 * FUNCTION: fd_sess_getsid |
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2003 * |
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2004 * PARAMETERS: |
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2005 * session : Pointer to a session object. |
|
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2006 * sid : On success, the location of the sid is stored here. |
|
2
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2007 * |
|
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2008 * DESCRIPTION: |
|
3
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2009 * Retrieve the session identifier (Session-Id) corresponding to a session object. |
|
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Large UNTESTED commit with the following changes:
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2010 * The returned sid is a \0-terminated binary string which might be UTF-8 (but there is no guarantee in the framework). |
|
3
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Progress; added session module; testsess to be completed
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|
2011 * It may be used for example to set the value of an AVP. |
|
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2012 * Note that the sid string is not copied, just its reference... do not free it! |
|
2
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1
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|
2013 * |
|
3
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|
2014 * RETURN VALUE: |
|
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Large UNTESTED commit with the following changes:
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|
2015 * 0 : The sid & len parameters have been updated. |
|
3
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parents:
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|
2016 * EINVAL : A parameter is invalid. |
|
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2017 */ |
|
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|
2018 int fd_sess_getsid ( struct session * session, os0_t * sid, size_t * sidlen ); |
|
3
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2019 |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
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diff
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|
2020 /* |
|
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parents:
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|
2021 * FUNCTION: fd_sess_settimeout |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
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|
2022 * |
|
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|
2023 * PARAMETERS: |
|
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|
2024 * session : The session for which to set the timeout. |
|
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|
2025 * timeout : The date when the session times out. |
|
2
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Added a global debug level var
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1
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|
2026 * |
|
1392
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libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
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|
2027 * DESCRIPTION: |
|
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
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|
2028 * Set the lifetime for a given session object. This function may be |
|
3
ef303f1078ab
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|
2029 * called several times on the same object to update the timeout value. |
|
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|
2030 * When the timeout date is reached, the cleanup handler of each |
|
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
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|
2031 * module that registered data with this session is called, then the |
|
3
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parents:
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|
2032 * session is cleared. |
|
2
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1
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|
2033 * |
|
3
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|
2034 * There is a possible race condition between cleanup of the session |
|
1392
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Thomas Klausner <tk@giga.or.at>
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|
2035 * and use of its data; applications should ensure that they are not |
|
3
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2036 * using data from a session that is about to expire / expired. |
|
2
d8ce06172629
Added a global debug level var
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
1
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|
2037 * |
|
3
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
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2038 * RETURN VALUE: |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2039 * 0 : The session timeout has been updated. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2040 * EINVAL : A parameter is invalid. |
|
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
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|
2041 */ |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2042 int fd_sess_settimeout( struct session * session, const struct timespec * timeout ); |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
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|
2043 |
|
ef303f1078ab
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2044 /* |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2045 * FUNCTION: fd_sess_destroy |
|
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2046 * |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2047 * PARAMETERS: |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2048 * session : Pointer to a session object. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
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|
2049 * |
|
1392
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libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
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|
2050 * DESCRIPTION: |
|
706
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2051 * Destroys all associated states of a session, if any. |
|
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
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|
2052 * Equivalent to a session timeout expired, but the effect is immediate. |
|
1392
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Thomas Klausner <tk@giga.or.at>
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|
2053 * The session itself is marked as deleted, and will be freed when it is not referenced |
|
706
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Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2054 * by any message anymore. |
|
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
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|
2055 * |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
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|
2056 * RETURN VALUE: |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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diff
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|
2057 * 0 : The session no longer exists. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
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|
2058 * EINVAL : A parameter is invalid. |
|
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
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|
2059 */ |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
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|
2060 int fd_sess_destroy ( struct session ** session ); |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
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|
2061 |
|
6
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2062 /* |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2063 * FUNCTION: fd_sess_reclaim |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
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5
diff
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|
2064 * |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2065 * PARAMETERS: |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
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5
diff
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|
2066 * session : Pointer to a session object. |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2067 * |
|
1392
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libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
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|
2068 * DESCRIPTION: |
|
706
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
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|
2069 * Equivalent to fd_sess_destroy, only if no session_state is associated with the session. |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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|
2070 * Otherwise, this function has no effect (except that it sets *session to NULL). |
|
6
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
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5
diff
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|
2071 * |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2072 * RETURN VALUE: |
|
706
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
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|
2073 * 0 : The session was reclaimed. |
|
6
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
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5
diff
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|
2074 * EINVAL : A parameter is invalid. |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2075 */ |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2076 int fd_sess_reclaim ( struct session ** session ); |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
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5
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|
2077 |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
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5
diff
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|
2078 |
|
3
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Progress; added session module; testsess to be completed
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2
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|
2079 |
|
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Progress; added session module; testsess to be completed
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2
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|
2080 |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
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|
2081 /* |
|
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2
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|
2082 * FUNCTION: fd_sess_state_store |
|
2
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Added a global debug level var
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1
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|
2083 * |
|
3
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Progress; added session module; testsess to be completed
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diff
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|
2084 * PARAMETERS: |
|
ef303f1078ab
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|
2085 * handler : The handler with which the state is registered. |
|
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|
2086 * session : The session object with which the state is registered. |
|
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|
2087 * state : An application state (opaque data) to store with the session. |
|
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|
2088 * |
|
1392
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|
2089 * DESCRIPTION: |
|
3
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diff
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|
2090 * Stores an application state with a session. This state can later be retrieved |
|
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parents:
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|
2091 * with fd_sess_state_retrieve, or implicitly in the cleanup handler when the session |
|
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|
2092 * is destroyed. |
|
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|
2093 * |
|
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Progress; added session module; testsess to be completed
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|
2094 * RETURN VALUE: |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
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|
2095 * 0 : The state has been stored. |
|
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|
2096 * EINVAL : A parameter is invalid. |
|
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|
2097 * EALREADY : Data was already associated with this session and client. |
|
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|
2098 * ENOMEM : Not enough memory to complete the operation |
|
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2
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|
2099 */ |
|
1088
1d1a20a0779d
Second part of changeset 1083, now the code compiles again. Still missing some functions implementation, though
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parents:
1087
diff
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|
2100 int fd_sess_state_store ( struct session_handler * handler, struct session * session, struct sess_state ** state ); |
|
3
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2101 |
|
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2102 /* |
|
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2103 * FUNCTION: fd_sess_state_retrieve |
|
2
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2104 * |
|
3
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2105 * PARAMETERS: |
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ef303f1078ab
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2106 * handler : The handler with which the state was registered. |
|
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2107 * session : The session object with which the state was registered. |
|
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|
2108 * state : Location where the state must be saved if it is found. |
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2109 * |
|
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2110 * DESCRIPTION: |
|
3
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2111 * Retrieves a state saved by fd_sess_state_store. |
|
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2112 * After this function has been called, the state is no longer associated with |
|
3
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2113 * the session. A new call to fd_sess_state_store must be performed in order to |
|
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2114 * store again the data with the session. |
|
2
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2115 * |
|
3
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2116 * RETURN VALUE: |
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2117 * 0 : *state is updated (NULL or points to the state if it was found). |
|
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2118 * EINVAL : A parameter is invalid. |
|
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2119 */ |
|
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2120 int fd_sess_state_retrieve ( struct session_handler * handler, struct session * session, struct sess_state ** state ); |
|
2
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|
2121 |
|
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|
2122 |
|
3
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2123 /* For debug */ |
|
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2124 DECLARE_FD_DUMP_PROTOTYPE(fd_sess_dump, struct session * session, int with_states); |
|
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2125 DECLARE_FD_DUMP_PROTOTYPE(fd_sess_dump_hdl, struct session_handler * handler); |
|
3
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|
2126 |
|
778
003df4a9ade2
Added two new interfaces on Zach requests http://lists.freediameter.net/pipermail/help/2012-January/000312.html and http://lists.freediameter.net/pipermail/help/2012-January/000311.html
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|
2127 /* For statistics / monitoring: get the number of struct session in memory */ |
|
003df4a9ade2
Added two new interfaces on Zach requests http://lists.freediameter.net/pipermail/help/2012-January/000312.html and http://lists.freediameter.net/pipermail/help/2012-January/000311.html
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|
2128 int fd_sess_getcount(uint32_t *cnt); |
|
003df4a9ade2
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2129 |
|
2
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|
2130 /*============================================================*/ |
|
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2131 /* ROUTING */ |
|
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|
2132 /*============================================================*/ |
|
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|
2133 |
|
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|
2134 /* The following functions are helpers for the routing module. |
|
168
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|
2135 The routing data is stored in the message itself. */ |
|
83
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|
2136 |
|
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|
2137 /* Structure that contains the routing data for a message */ |
|
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|
2138 struct rt_data; |
|
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|
2139 |
|
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diff
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|
2140 /* Following functions are helpers to create the routing data of a message */ |
|
620
bc7328e600f0
Removed the OUTPUT specification for SWIG, too complex
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|
2141 int fd_rtd_init(struct rt_data ** rtd); |
|
83
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|
2142 void fd_rtd_free(struct rt_data ** rtd); |
|
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|
2143 |
|
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2144 /* Add a peer to the candidates list. */ |
|
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2145 int fd_rtd_candidate_add(struct rt_data * rtd, DiamId_t peerid, size_t peeridlen, DiamId_t realm, size_t realmlen); |
|
83
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|
2146 |
|
706
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|
2147 /* Remove a peer from the candidates (if it is found). The search is case-insensitive. */ |
|
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|
2148 void fd_rtd_candidate_del(struct rt_data * rtd, uint8_t * id, size_t idsz); |
|
83
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|
2149 |
|
88
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diff
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|
2150 /* Extract the list of valid candidates, and initialize their scores to 0 */ |
|
620
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|
2151 void fd_rtd_candidate_extract(struct rt_data * rtd, struct fd_list ** candidates, int ini_score); |
|
88
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|
2152 |
|
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2153 /* If a peer returned a protocol error for this message, save it so that we don't try to send it there again. Optionally retrieve the current list of candidates. */ |
|
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2154 int fd_rtd_error_add(struct rt_data * rtd, DiamId_t sentto, size_t senttolen, uint8_t * origin, size_t originsz, uint32_t rcode, struct fd_list ** candidates, int * sendingattemtps); |
|
83
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|
2155 |
|
1097
4d2dcb54d9a6
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|
2156 /* Only retrieve the number of times this message has been processed by the routing-out mechanism (i.e. number of times it was failed over) */ |
|
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|
2157 int fd_rtd_get_nb_attempts(struct rt_data * rtd, int * sendingattemtps); |
|
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2158 |
|
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|
2159 /* The extracted list items have the following structure: */ |
|
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2160 struct rtd_candidate { |
|
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2161 struct fd_list chain; /* link in the list returned by the previous fcts */ |
|
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2162 DiamId_t diamid; /* the diameter Id of the peer */ |
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2163 size_t diamidlen; /* cached size of the diamid string */ |
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2164 DiamId_t realm; /* the diameter realm of the peer */ |
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2165 size_t realmlen; /* cached size of realm */ |
|
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|
2166 int score; /* the current routing score for this peer, see fd_rt_out_register definition for details */ |
|
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|
2167 }; |
|
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|
2168 |
|
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|
2169 /* Reorder the list of peers by score */ |
|
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|
2170 int fd_rtd_candidate_reorder(struct fd_list * candidates); |
|
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|
2171 |
|
85
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|
2172 /* Note : it is fine for a callback to add a new entry in the candidates list after the list has been extracted. The diamid must then be malloc'd. */ |
|
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|
2173 /* Beware that this could lead to routing loops */ |
|
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|
2174 |
|
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|
2175 /*============================================================*/ |
| 0 | 2176 /* MESSAGES */ |
| 2177 /*============================================================*/ | |
| 2178 | |
| 2179 /* The following types are opaque */ | |
| 2180 struct msg; /* A message: command with children AVPs (possibly grand children) */ | |
| 2181 struct avp; /* AVP object */ | |
| 2182 | |
| 2183 /* Some details about chaining: | |
| 2184 * | |
| 2185 * A message is made of a header ( msg ) and 0 or more AVPs ( avp ). | |
| 2186 * The structure is a kind of tree, where some AVPs (grouped AVPs) can contain other AVPs. | |
| 871 | 2187 * Example: |
| 0 | 2188 * msg |
| 2189 * |-avp | |
| 2190 * |-gavp | |
| 2191 * | |-avp | |
| 2192 * | |-avp | |
| 2193 * | \-avp | |
| 2194 * |-avp | |
| 2195 * \-avp | |
| 2196 * | |
| 2197 */ | |
| 2198 | |
| 2199 /* The following type is used to point to either a msg or an AVP */ | |
| 2200 typedef void msg_or_avp; | |
| 2201 | |
| 2202 /* The Diameter protocol version */ | |
| 2203 #define DIAMETER_VERSION 1 | |
| 2204 | |
|
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2205 /* In the two following types, some fields are marked (READONLY). |
| 0 | 2206 * This means that the content of these fields will be overwritten by the daemon so modifying it is useless. |
| 2207 */ | |
| 2208 | |
| 2209 /* The following structure represents the header of a message. All data is in host byte order. */ | |
| 2210 struct msg_hdr { | |
| 2211 uint8_t msg_version; /* (READONLY) Version of Diameter: must be DIAMETER_VERSION. */ | |
| 2212 uint32_t msg_length; /* (READONLY)(3 bytes) indicates the length of the message */ | |
| 2213 uint8_t msg_flags; /* Message flags: CMD_FLAG_* */ | |
| 2214 command_code_t msg_code; /* (3 bytes) the command-code. See dictionary-api.h for more detail */ | |
| 2215 application_id_t msg_appl; /* The application issuing this message */ | |
| 2216 uint32_t msg_hbhid; /* The Hop-by-Hop identifier of the message */ | |
| 2217 uint32_t msg_eteid; /* The End-to-End identifier of the message */ | |
| 2218 }; | |
| 2219 | |
| 2220 /* The following structure represents the visible content of an AVP. All data is in host byte order. */ | |
| 2221 struct avp_hdr { | |
| 2222 avp_code_t avp_code; /* the AVP Code */ | |
| 2223 uint8_t avp_flags; /* AVP_FLAG_* flags */ | |
| 2224 uint32_t avp_len; /* (READONLY)(Only 3 bytes are used) the length of the AVP as described in the RFC */ | |
| 2225 vendor_id_t avp_vendor; /* Only used if AVP_FLAG_VENDOR is present */ | |
| 2226 union avp_value *avp_value; /* pointer to the value of the AVP. NULL means that the value is not set / not understood. | |
| 2227 One should not directly change this value. Use the msg_avp_setvalue function instead. | |
| 2228 The content of the pointed structure can be changed directly, with this restriction: | |
| 2229 if the AVP is an OctetString, and you change the value of the pointer avp_value->os.data, then | |
| 2230 you must call free() on the previous value, and the new one must be free()-able. | |
| 2231 */ | |
| 2232 }; | |
| 2233 | |
| 2234 /* The following enum is used to browse inside message hierarchy (msg, gavp, avp) */ | |
| 2235 enum msg_brw_dir { | |
| 2236 MSG_BRW_NEXT = 1, /* Get the next element at the same level, or NULL if this is the last element. */ | |
| 2237 MSG_BRW_PREV, /* Get the previous element at the same level, or NULL if this is the first element. */ | |
| 2238 MSG_BRW_FIRST_CHILD, /* Get the first child AVP of this element, if any. */ | |
| 2239 MSG_BRW_LAST_CHILD, /* Get the last child AVP of this element, if any. */ | |
| 2240 MSG_BRW_PARENT, /* Get the parent element of this element, if any. Only the msg_t object has no parent. */ | |
| 2241 MSG_BRW_WALK /* This is equivalent to FIRST_CHILD or NEXT or PARENT->next, first that is not NULL. Use this to walk inside all AVPs. */ | |
| 2242 }; | |
| 2243 | |
| 972 | 2244 /* Some flags used in the functions below */ |
|
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2245 #define AVPFL_SET_BLANK_VALUE 0x01 /* When creating an AVP, initialize its value to a blank area */ |
|
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2246 #define AVPFL_SET_RAWDATA_FROM_AVP 0x02 /* When creating an AVP, initialize its rawdata area from an existing AVP -- it is only blank padding (for error reporting) */ |
|
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2247 #define AVPFL_MAX AVPFL_SET_RAWDATA_FROM_AVP /* The biggest valid flag value */ |
|
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2248 |
| 0 | 2249 #define MSGFL_ALLOC_ETEID 0x01 /* When creating a message, a new end-to-end ID is allocated and set in the message */ |
| 2250 #define MSGFL_ANSW_ERROR 0x02 /* When creating an answer message, set the 'E' bit and use the generic error ABNF instead of command-specific ABNF */ | |
|
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2251 #define MSGFL_ANSW_NOSID 0x04 /* When creating an answer message, do not add the Session-Id even if present in request */ |
|
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2252 #define MSGFL_ANSW_NOPROXYINFO 0x08 /* When creating an answer message, do not add the Proxy-Info AVPs presents in request */ |
|
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2253 #define MSGFL_MAX MSGFL_ANSW_NOPROXYINFO /* The biggest valid flag value */ |
| 0 | 2254 |
| 2255 /**************************************************/ | |
| 2256 /* Message creation, manipulation, disposal */ | |
| 2257 /**************************************************/ | |
| 2258 /* | |
| 2259 * FUNCTION: fd_msg_avp_new | |
| 2260 * | |
| 2261 * PARAMETERS: | |
|
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2262 * model : Pointer to a DICT_AVP dictionary object describing the avp to create, or NULL if flags are used. |
|
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2263 * flags : Flags to use in creation (AVPFL_*, see above). |
|
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2264 * avp : Upon success, pointer to the new avp is stored here. It points to reference AVP upon function call when flags are used. |
| 0 | 2265 * |
|
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2266 * DESCRIPTION: |
| 0 | 2267 * Create a new AVP instance. |
| 2268 * | |
| 2269 * RETURN VALUE: | |
| 2270 * 0 : The AVP is created. | |
| 2271 * EINVAL : A parameter is invalid. | |
| 2272 * (other standard errors may be returned, too, with their standard meaning. Example: | |
| 2273 * ENOMEM : Memory allocation for the new avp failed.) | |
| 2274 */ | |
|
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2275 int fd_msg_avp_new ( struct dict_object * model, int flags, struct avp ** avp ); |
| 0 | 2276 |
| 2277 /* | |
| 2278 * FUNCTION: fd_msg_new | |
| 2279 * | |
| 2280 * PARAMETERS: | |
| 2281 * model : Pointer to a DICT_COMMAND dictionary object describing the message to create, or NULL. | |
| 2282 * flags : combination of MSGFL_* flags. | |
| 2283 * msg : Upon success, pointer to the new message is stored here. | |
| 2284 * | |
|
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2285 * DESCRIPTION: |
|
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2286 * Create a new empty Diameter message. |
| 0 | 2287 * |
| 2288 * RETURN VALUE: | |
| 2289 * 0 : The message is created. | |
| 2290 * EINVAL : A parameter is invalid. | |
| 2291 * (other standard errors may be returned, too, with their standard meaning. Example: | |
| 2292 * ENOMEM : Memory allocation for the new message failed.) | |
| 2293 */ | |
|
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2294 int fd_msg_new ( struct dict_object * model, int flags, struct msg ** msg ); |
| 0 | 2295 |
| 2296 /* | |
| 2297 * FUNCTION: msg_new_answer_from_req | |
| 2298 * | |
| 2299 * PARAMETERS: | |
| 2300 * dict : Pointer to the dictionary containing the model of the query. | |
| 2301 * msg : The location of the query on function call. Updated by the location of answer message on return. | |
| 2302 * flag : Pass MSGFL_ANSW_ERROR to indicate if the answer is an error message (will set the 'E' bit) | |
|
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2303 * : See other MSGFL_ANSW_* definition above for other flags. |
| 0 | 2304 * |
|
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2305 * DESCRIPTION: |
| 0 | 2306 * This function creates the empty answer message corresponding to a request. |
| 2307 * The header is set properly (R flag, ccode, appid, hbhid, eteid) | |
| 2308 * The Session-Id AVP is copied if present. | |
| 2309 * The calling code should usually call fd_msg_rescode_set function on the answer. | |
| 2310 * Upon return, the original query may be retrieved by calling fd_msg_answ_getq on the message. | |
| 2311 * | |
| 2312 * RETURN VALUE: | |
| 2313 * 0 : Operation complete. | |
| 2314 * !0 : an error occurred. | |
| 2315 */ | |
|
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2316 int fd_msg_new_answer_from_req ( struct dictionary * dict, struct msg ** msg, int flag ); |
| 0 | 2317 |
| 2318 /* | |
| 2319 * FUNCTION: fd_msg_browse | |
| 2320 * | |
| 2321 * PARAMETERS: | |
| 2322 * reference : Pointer to a struct msg or struct avp. | |
| 2323 * dir : Direction for browsing | |
| 2324 * found : If not NULL, updated with the element that has been found, if any, or NULL if no element was found / an error occurred. | |
| 2325 * depth : If not NULL, points to an integer representing the "depth" of this object in the tree. This is a relative value, updated on return. | |
| 2326 * | |
|
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2327 * DESCRIPTION: |
| 0 | 2328 * Explore the content of a message object (hierarchy). If "found" is null, only error checking is performed. |
| 2329 * If "depth" is provided, it is updated as follow on successful function return: | |
| 2330 * - not modified for MSG_BRW_NEXT and MSG_BRW_PREV. | |
| 2331 * - *depth = *depth + 1 for MSG_BRW_FIRST_CHILD and MSG_BRW_LAST_CHILD. | |
| 2332 * - *depth = *depth - 1 for MSG_BRW_PARENT. | |
| 2333 * - *depth = *depth + X for MSG_BRW_WALK, with X between 1 (returned the 1st child) and -N (returned the Nth parent's next). | |
| 2334 * | |
| 2335 * RETURN VALUE: | |
| 2336 * 0 : found has been updated (if non NULL). | |
| 2337 * EINVAL : A parameter is invalid. | |
|
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2338 * ENOENT : No element has been found where requested, and "found" was NULL (otherwise, *found is set to NULL and 0 is returned). |
| 0 | 2339 */ |
|
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2340 int fd_msg_browse_internal ( msg_or_avp * reference, enum msg_brw_dir dir, msg_or_avp ** found, int * depth ); |
| 0 | 2341 /* Macro to avoid having to cast the third parameter everywhere */ |
| 2342 #define fd_msg_browse( ref, dir, found, depth ) \ | |
| 2343 fd_msg_browse_internal( (ref), (dir), (void *)(found), (depth) ) | |
| 2344 | |
| 2345 | |
| 2346 /* | |
| 2347 * FUNCTION: fd_msg_avp_add | |
| 2348 * | |
| 2349 * PARAMETERS: | |
| 2350 * reference : Pointer to a valid msg or avp. | |
| 2351 * dir : location where the new AVP should be inserted, relative to the reference. MSG_BRW_PARENT and MSG_BRW_WALK are not valid. | |
| 2352 * avp : pointer to the AVP object that must be inserted. | |
| 2353 * | |
|
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2354 * DESCRIPTION: |
| 0 | 2355 * Adds an AVP into an object that can contain it: grouped AVP or message. |
|
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2356 * Note that the added AVP will be freed at the same time as the object it is added to, |
|
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2357 * so it should not be freed after the call to this function. |
| 0 | 2358 * |
| 2359 * RETURN VALUE: | |
| 2360 * 0 : The AVP has been added. | |
| 2361 * EINVAL : A parameter is invalid. | |
| 2362 */ | |
| 2363 int fd_msg_avp_add ( msg_or_avp * reference, enum msg_brw_dir dir, struct avp *avp); | |
| 2364 | |
| 2365 /* | |
| 2366 * FUNCTION: fd_msg_search_avp | |
| 2367 * | |
| 2368 * PARAMETERS: | |
|
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2369 * reference : Pointer to a valid msg or avp in which to search the AVP. |
| 0 | 2370 * what : The dictionary model of the AVP to search. |
| 2371 * avp : location where the AVP reference is stored if found. | |
| 2372 * | |
|
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2373 * DESCRIPTION: |
|
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2374 * Search for the first top-level AVP of a given model inside a message or AVP. |
| 0 | 2375 * Note: only the first instance of the AVP is returned by this function. |
| 2376 * Note: only top-level AVPs are searched, not inside grouped AVPs. | |
|
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2377 * Use msg_browse if you need more advanced search features. |
| 0 | 2378 * |
| 2379 * RETURN VALUE: | |
| 2380 * 0 : The AVP has been found. | |
| 2381 * EINVAL : A parameter is invalid. | |
| 2382 * ENOENT : No AVP has been found, and "avp" was NULL (otherwise, *avp is set to NULL and 0 returned). | |
| 2383 */ | |
|
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2384 int fd_msg_search_avp ( msg_or_avp * reference, struct dict_object * what, struct avp ** avp ); |
| 0 | 2385 |
| 2386 /* | |
| 2387 * FUNCTION: fd_msg_free | |
| 2388 * | |
| 2389 * PARAMETERS: | |
| 2390 * object : pointer to the message or AVP object that must be unlinked and freed. | |
| 2391 * | |
|
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2392 * DESCRIPTION: |
| 0 | 2393 * Unlink and free a message or AVP object and its children. |
| 2394 * If the object is an AVP linked into a message, the AVP is removed before being freed. | |
| 2395 * | |
| 2396 * RETURN VALUE: | |
| 2397 * 0 : The message has been freed. | |
| 2398 * EINVAL : A parameter is invalid. | |
| 2399 */ | |
| 2400 int fd_msg_free ( msg_or_avp * object ); | |
| 2401 | |
| 2402 /***************************************/ | |
| 2403 /* Dump functions */ | |
| 2404 /***************************************/ | |
| 2405 /* | |
| 2406 * FUNCTION: fd_msg_dump_* | |
| 2407 * | |
| 2408 * PARAMETERS: | |
|
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2409 * see definition of DECLARE_FD_DUMP_PROTOTYPE, |
|
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2410 * obj : A msg or avp object to dump. |
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2411 * dict : the dictionary to use if parsing is requested (optional) |
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2412 * force_parsing: by default these functions do not parse the object but dump hexa values in that case. |
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2413 * use !0 to force parsing. If parsing fails, the hexa dump is still provided. |
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2414 * recurse : allow the function to go through the children objects if any to dump more information. might require parsing. |
| 0 | 2415 * |
|
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2416 * DESCRIPTION: |
|
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2417 * These functions dump the content of a message or avp into a buffer |
| 0 | 2418 * either recursively or only the object itself. |
| 2419 * | |
| 2420 * RETURN VALUE: | |
|
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2421 * - see DECLARE_FD_DUMP_PROTOTYPE, |
|
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2422 */ |
|
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2423 /* one-line dump with only short information */ |
|
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2424 DECLARE_FD_DUMP_PROTOTYPE( fd_msg_dump_summary, msg_or_avp *obj, struct dictionary *dict, int force_parsing, int recurse ); |
|
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2425 /* one-line dump with all the contents of the message */ |
|
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2426 DECLARE_FD_DUMP_PROTOTYPE( fd_msg_dump_full, msg_or_avp *obj, struct dictionary *dict, int force_parsing, int recurse ); |
|
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2427 /* multi-line human-readable dump similar to wireshark output */ |
|
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2428 DECLARE_FD_DUMP_PROTOTYPE( fd_msg_dump_treeview, msg_or_avp *obj, struct dictionary *dict, int force_parsing, int recurse ); |
|
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2429 |
| 0 | 2430 |
| 2431 /*********************************************/ | |
| 2432 /* Message metadata management functions */ | |
| 2433 /*********************************************/ | |
| 2434 /* | |
| 2435 * FUNCTION: fd_msg_model | |
| 2436 * | |
| 2437 * PARAMETERS: | |
| 2438 * reference : Pointer to a valid msg or avp. | |
| 2439 * model : on success, pointer to the dictionary model of this command or AVP. NULL if the model is unknown. | |
| 2440 * | |
|
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2441 * DESCRIPTION: |
| 0 | 2442 * Retrieve the dictionary object describing this message or avp. If the object is unknown or the fd_msg_parse_dict has not been called, |
| 2443 * *model is set to NULL. | |
| 2444 * | |
| 2445 * RETURN VALUE: | |
| 2446 * 0 : The model has been set. | |
| 2447 * EINVAL : A parameter is invalid. | |
| 2448 */ | |
|
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2449 int fd_msg_model ( msg_or_avp * reference, struct dict_object ** model ); |
| 0 | 2450 |
| 2451 /* | |
| 2452 * FUNCTION: fd_msg_hdr | |
| 2453 * | |
| 2454 * PARAMETERS: | |
| 2455 * msg : Pointer to a valid message object. | |
| 2456 * pdata : Upon success, pointer to the msg_hdr structure of this message. The fields may be modified. | |
| 2457 * | |
|
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2458 * DESCRIPTION: |
|
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2459 * Retrieve location of modifiable section of a message. |
| 0 | 2460 * |
| 2461 * RETURN VALUE: | |
| 2462 * 0 : The location has been written. | |
| 2463 * EINVAL : A parameter is invalid. | |
| 2464 */ | |
|
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2465 int fd_msg_hdr ( struct msg *msg, struct msg_hdr ** pdata ); |
| 0 | 2466 |
| 2467 /* | |
| 2468 * FUNCTION: fd_msg_avp_hdr | |
| 2469 * | |
| 2470 * PARAMETERS: | |
| 2471 * avp : Pointer to a valid avp object. | |
| 2472 * pdata : Upon success, pointer to the avp_hdr structure of this avp. The fields may be modified. | |
| 2473 * | |
|
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2474 * DESCRIPTION: |
|
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2475 * Retrieve location of modifiable data of an avp. |
| 0 | 2476 * |
| 2477 * RETURN VALUE: | |
| 2478 * 0 : The location has been written. | |
| 2479 * EINVAL : A parameter is invalid. | |
| 2480 */ | |
|
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2481 int fd_msg_avp_hdr ( struct avp *avp, struct avp_hdr ** pdata ); |
| 0 | 2482 |
| 2483 /* | |
| 2484 * FUNCTION: fd_msg_answ_associate, fd_msg_answ_getq, fd_msg_answ_detach | |
| 2485 * | |
| 2486 * PARAMETERS: | |
| 2487 * answer : the received answer message | |
| 2488 * query : the corresponding query that had been sent | |
| 2489 * | |
| 2490 * DESCRIPTION: | |
|
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2491 * fd_msg_answ_associate associates a query msg with the received answer. |
| 0 | 2492 * Query is retrieved with fd_msg_answ_getq. |
| 2493 * If answer message is freed, the query is also freed. | |
| 2494 * If the msg_answ_detach function is called, the association is removed. | |
| 2495 * This is meant to be called from the daemon only. | |
| 2496 * | |
| 2497 * RETURN VALUE: | |
| 2498 * 0 : ok | |
| 2499 * EINVAL: a parameter is invalid | |
| 2500 */ | |
| 2501 int fd_msg_answ_associate( struct msg * answer, struct msg * query ); | |
|
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2502 int fd_msg_answ_getq ( struct msg * answer, struct msg ** query ); |
| 0 | 2503 int fd_msg_answ_detach ( struct msg * answer ); |
| 2504 | |
| 2505 /* | |
| 2506 * FUNCTION: fd_msg_anscb_associate, fd_msg_anscb_get | |
| 2507 * | |
| 2508 * PARAMETERS: | |
|
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|
2509 * msg : the request message |
| 0 | 2510 * anscb : the callback to associate with the message |
| 2511 * data : the data to pass to the callback | |
|
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|
2512 * expirecb : the expiration callback to associate with the message |
|
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2513 * timeout : (optional, use NULL if no timeout) a timeout associated with calling the cb. |
| 0 | 2514 * |
| 2515 * DESCRIPTION: | |
|
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2516 * Associate or retrieve callbacks with an message. |
| 0 | 2517 * This is meant to be called from the daemon only. |
| 2518 * | |
| 2519 * RETURN VALUE: | |
| 2520 * 0 : ok | |
| 2521 * EINVAL: a parameter is invalid | |
| 2522 */ | |
|
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changeset
|
2523 int fd_msg_anscb_associate( struct msg * msg, void ( *anscb)(void *, struct msg **), void * data, void (*expirecb)(void *, DiamId_t, size_t, struct msg **), const struct timespec *timeout ); |
|
908ffbb81f60
Added a second callback in fd_msg_send_timeout to handle more easily the timeout situation
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1004
diff
changeset
|
2524 int fd_msg_anscb_get( struct msg * msg, void (**anscb)(void *, struct msg **), void (**expirecb)(void *, DiamId_t, size_t, struct msg **), void ** data ); |
|
1248
c9a160b815ea
Fix issue with anscb in the p_sr expiry mechanism. Thanks Guangming for the report.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1243
diff
changeset
|
2525 int fd_msg_anscb_reset(struct msg * msg, int clear_anscb, int clear_expirecb); |
|
649
5e5d8152c229
Implemented fd_msg_send_timeout to close #10. Not tested yet.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
648
diff
changeset
|
2526 struct timespec *fd_msg_anscb_gettimeout( struct msg * msg ); /* returns NULL or a valid non-0 timespec */ |
| 0 | 2527 |
| 2528 /* | |
| 2529 * FUNCTION: fd_msg_rt_associate, fd_msg_rt_get | |
| 2530 * | |
| 2531 * PARAMETERS: | |
| 2532 * msg : the query message to be sent | |
| 2533 * list : the ordered list of possible next-peers | |
| 2534 * | |
| 2535 * DESCRIPTION: | |
| 2536 * Associate a routing list with a query, and retrieve it. | |
| 2537 * If the message is freed, the list is also freed. | |
| 2538 * | |
| 2539 * RETURN VALUE: | |
| 2540 * 0 : ok | |
| 2541 * EINVAL: a parameter is invalid | |
| 2542 */ | |
|
1212
c38bb8b69c43
Fix message rtd handling for extensions based on this data
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1193
diff
changeset
|
2543 int fd_msg_rt_associate( struct msg * msg, struct rt_data * rtd ); |
|
620
bc7328e600f0
Removed the OUTPUT specification for SWIG, too complex
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
618
diff
changeset
|
2544 int fd_msg_rt_get ( struct msg * msg, struct rt_data ** rtd ); |
| 0 | 2545 |
| 2546 /* | |
| 2547 * FUNCTION: fd_msg_is_routable | |
| 2548 * | |
| 2549 * PARAMETERS: | |
| 2550 * msg : A msg object. | |
| 2551 * | |
|
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Thomas Klausner <tk@giga.or.at>
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diff
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|
2552 * DESCRIPTION: |
|
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Thomas Klausner <tk@giga.or.at>
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diff
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|
2553 * This function returns a boolean telling if a given message is routable in the Diameter network, |
| 0 | 2554 * or if it is a local link message only (ex: CER/CEA, DWR/DWA, ...). |
| 2555 * | |
| 2556 * RETURN VALUE: | |
| 2557 * 0 : The message is not routable / an error occurred. | |
| 2558 * 1 : The message is routable. | |
| 2559 */ | |
| 2560 int fd_msg_is_routable ( struct msg * msg ); | |
| 2561 | |
| 2562 /* | |
| 2563 * FUNCTION: fd_msg_source_(g/s)et | |
| 2564 * | |
| 2565 * PARAMETERS: | |
| 2566 * msg : A msg object. | |
|
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diff
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|
2567 * diamid,len : The diameter id of the peer from which this message was received. |
|
1120
c473581adff2
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Sebastien Decugis <sdecugis@freediameter.net>
parents:
1119
diff
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|
2568 * dict : a dictionary with definition of Route-Record AVP (for fd_msg_source_setrr) |
| 0 | 2569 * |
|
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Thomas Klausner <tk@giga.or.at>
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1343
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|
2570 * DESCRIPTION: |
| 0 | 2571 * Store or retrieve the diameted id of the peer from which this message was received. |
| 2572 * Will be used for example by the routing module to add the Route-Record AVP in forwarded requests, | |
| 2573 * or to direct answers to the appropriate peer. | |
| 2574 * | |
| 2575 * RETURN VALUE: | |
| 2576 * 0 : Operation complete. | |
| 2577 * !0 : an error occurred. | |
| 2578 */ | |
|
1120
c473581adff2
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Sebastien Decugis <sdecugis@freediameter.net>
parents:
1119
diff
changeset
|
2579 int fd_msg_source_set( struct msg * msg, DiamId_t diamid, size_t diamidlen ); |
|
c473581adff2
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Sebastien Decugis <sdecugis@freediameter.net>
parents:
1119
diff
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|
2580 int fd_msg_source_setrr( struct msg * msg, DiamId_t diamid, size_t diamidlen, struct dictionary * dict ); |
|
706
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diff
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|
2581 int fd_msg_source_get( struct msg * msg, DiamId_t *diamid, size_t * diamidlen ); |
| 0 | 2582 |
| 2583 /* | |
| 2584 * FUNCTION: fd_msg_eteid_get | |
| 2585 * | |
| 2586 * PARAMETERS: | |
| 2587 * - | |
| 2588 * | |
|
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diff
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|
2589 * DESCRIPTION: |
| 0 | 2590 * Get a new unique end-to-end id value for the local peer. |
| 2591 * | |
| 2592 * RETURN VALUE: | |
| 2593 * The new assigned value. No error code is defined. | |
| 2594 */ | |
| 2595 uint32_t fd_msg_eteid_get ( void ); | |
| 2596 | |
| 2597 | |
|
85
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
83
diff
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|
2598 /* |
|
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parents:
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diff
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|
2599 * FUNCTION: fd_msg_sess_get |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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diff
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|
2600 * |
|
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parents:
83
diff
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|
2601 * PARAMETERS: |
|
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83
diff
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|
2602 * dict : the dictionary that contains the Session-Id AVP definition |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
83
diff
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|
2603 * msg : A valid message. |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
83
diff
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|
2604 * session : Location to store the session pointer when retrieved. |
|
653
34373acfbc6a
Added sample C++ file in _sample extension
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
649
diff
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|
2605 * isnew : Indicates if the session has been created. |
|
85
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
83
diff
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|
2606 * |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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diff
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|
2607 * DESCRIPTION: |
|
e5fcd672caff
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83
diff
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|
2608 * This function retrieves or creates the session object corresponding to a message. |
|
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83
diff
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|
2609 * If the message does not contain a Session-Id AVP, *session == NULL on return. |
|
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diff
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|
2610 * Note that the Session-Id AVP must never be modified after created in a message. |
|
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|
2611 * |
|
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diff
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|
2612 * RETURN VALUE: |
|
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diff
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|
2613 * 0 : success |
|
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|
2614 * !0 : standard error code. |
|
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parents:
83
diff
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|
2615 */ |
|
653
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Added sample C++ file in _sample extension
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
649
diff
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|
2616 int fd_msg_sess_get(struct dictionary * dict, struct msg * msg, struct session ** session, int * isnew); |
|
85
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
83
diff
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|
2617 |
|
924
877592751fee
Fix (tentative) for invalid handling of sessions fast creation/destruction as pointed by Yusuke Okura -- http://lists.freediameter.net/pipermail/help/2013-February/000584.html and http://lists.freediameter.net/pipermail/help/2013-February/000589.html -- Thank you very much
Sebastien Decugis <sdecugis@freediameter.net>
parents:
922
diff
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|
2618 /* This one is used by the libfdcore, you should use fd_msg_new_session rather than fd_sess_new, when possible */ |
|
877592751fee
Fix (tentative) for invalid handling of sessions fast creation/destruction as pointed by Yusuke Okura -- http://lists.freediameter.net/pipermail/help/2013-February/000584.html and http://lists.freediameter.net/pipermail/help/2013-February/000589.html -- Thank you very much
Sebastien Decugis <sdecugis@freediameter.net>
parents:
922
diff
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|
2619 int fd_msg_sess_set(struct msg * msg, struct session * session); |
|
877592751fee
Fix (tentative) for invalid handling of sessions fast creation/destruction as pointed by Yusuke Okura -- http://lists.freediameter.net/pipermail/help/2013-February/000584.html and http://lists.freediameter.net/pipermail/help/2013-February/000589.html -- Thank you very much
Sebastien Decugis <sdecugis@freediameter.net>
parents:
922
diff
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|
2620 |
|
877592751fee
Fix (tentative) for invalid handling of sessions fast creation/destruction as pointed by Yusuke Okura -- http://lists.freediameter.net/pipermail/help/2013-February/000584.html and http://lists.freediameter.net/pipermail/help/2013-February/000589.html -- Thank you very much
Sebastien Decugis <sdecugis@freediameter.net>
parents:
922
diff
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|
2621 |
|
1098
f38d77f9cfd3
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Sebastien Decugis <sdecugis@freediameter.net>
parents:
1097
diff
changeset
|
2622 /* Helper for the hooks mechanism, for use from libfdcore */ |
|
f38d77f9cfd3
Initial implementation of the hook mechanism
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1097
diff
changeset
|
2623 struct fd_msg_pmdl { |
|
f38d77f9cfd3
Initial implementation of the hook mechanism
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1097
diff
changeset
|
2624 struct fd_list sentinel; /* if the sentinel.o field is NULL, the structure is not initialized. Otherwise it points to the cleanup function in libfdcore. */ |
|
f38d77f9cfd3
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Sebastien Decugis <sdecugis@freediameter.net>
parents:
1097
diff
changeset
|
2625 pthread_mutex_t lock; |
|
f38d77f9cfd3
Initial implementation of the hook mechanism
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1097
diff
changeset
|
2626 }; |
|
f38d77f9cfd3
Initial implementation of the hook mechanism
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1097
diff
changeset
|
2627 struct fd_msg_pmdl * fd_msg_pmdl_get(struct msg * msg); |
|
f38d77f9cfd3
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Sebastien Decugis <sdecugis@freediameter.net>
parents:
1097
diff
changeset
|
2628 |
|
1102
1d7b3ebda27f
Implemented the calls to HOOK_DATA_RECEIVED hook
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1101
diff
changeset
|
2629 |
| 0 | 2630 /***************************************/ |
| 2631 /* Manage AVP values */ | |
| 2632 /***************************************/ | |
| 2633 | |
| 2634 /* | |
| 2635 * FUNCTION: fd_msg_avp_setvalue | |
| 2636 * | |
| 2637 * PARAMETERS: | |
| 2638 * avp : Pointer to a valid avp object with a NULL avp_value pointer. The model must be known. | |
|
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Thomas Klausner <tk@giga.or.at>
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1343
diff
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|
2639 * value : pointer to an avp_value. The content will be COPIED into the internal storage area. |
| 0 | 2640 * If data type is an octetstring, the data is also copied. |
| 2641 * If value is a NULL pointer, the previous data is erased and value is unset in the AVP. | |
| 2642 * | |
|
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Thomas Klausner <tk@giga.or.at>
parents:
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changeset
|
2643 * DESCRIPTION: |
| 0 | 2644 * Initialize the avp_value field of an AVP header. |
| 2645 * | |
| 2646 * RETURN VALUE: | |
| 2647 * 0 : The avp_value pointer has been set. | |
| 2648 * EINVAL : A parameter is invalid. | |
| 2649 */ | |
| 2650 int fd_msg_avp_setvalue ( struct avp *avp, union avp_value *value ); | |
| 2651 | |
| 2652 /* | |
| 2653 * FUNCTION: fd_msg_avp_value_encode | |
| 2654 * | |
| 2655 * PARAMETERS: | |
| 2656 * avp : Pointer to a valid avp object with a NULL avp_value. The model must be known. | |
| 2657 * data : Pointer to the data that must be encoded as AVP value and stored in the AVP. | |
| 2658 * This is only valid for AVPs of derived type for which type_data_encode callback is set. (ex: Address type) | |
| 2659 * | |
|
1392
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Thomas Klausner <tk@giga.or.at>
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|
2660 * DESCRIPTION: |
| 0 | 2661 * Initialize the avp_value field of an AVP object from formatted data, using the AVP's type "type_data_encode" callback. |
| 2662 * | |
| 2663 * RETURN VALUE: | |
| 2664 * 0 : The avp_value has been set. | |
| 2665 * EINVAL : A parameter is invalid. | |
| 2666 * ENOTSUP : There is no appropriate callback registered with this AVP's type. | |
| 2667 */ | |
| 2668 int fd_msg_avp_value_encode ( void *data, struct avp *avp ); | |
| 2669 /* | |
| 2670 * FUNCTION: fd_msg_avp_value_interpret | |
| 2671 * | |
| 2672 * PARAMETERS: | |
| 2673 * avp : Pointer to a valid avp object with a non-NULL avp_value value. | |
| 2674 * data : Upon success, formatted interpretation of the AVP value is stored here. | |
| 2675 * | |
|
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Thomas Klausner <tk@giga.or.at>
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|
2676 * DESCRIPTION: |
| 0 | 2677 * Interpret the content of an AVP of Derived type and store the result in data pointer. The structure |
|
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Thomas Klausner <tk@giga.or.at>
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|
2678 * of the data pointer is dependent on the AVP type. This function calls the "type_data_interpret" callback |
| 0 | 2679 * of the type. |
| 2680 * | |
| 2681 * RETURN VALUE: | |
| 2682 * 0 : The avp_value has been set. | |
| 2683 * EINVAL : A parameter is invalid. | |
| 2684 * ENOTSUP : There is no appropriate callback registered with this AVP's type. | |
| 2685 */ | |
| 2686 int fd_msg_avp_value_interpret ( struct avp *avp, void *data ); | |
| 2687 | |
| 2688 | |
| 2689 /***************************************/ | |
| 2690 /* Message parsing functions */ | |
| 2691 /***************************************/ | |
| 2692 | |
| 2693 /* | |
| 2694 * FUNCTION: fd_msg_bufferize | |
| 2695 * | |
| 2696 * PARAMETERS: | |
|
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|
2697 * msg : A valid msg object. All AVPs must have a value set. |
|
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|
2698 * buffer : Upon success, this points to a buffer (malloc'd) containing the message ready for network transmission (or security transformations). |
| 0 | 2699 * The buffer may be freed after use. |
| 2700 * len : if not NULL, the size of the buffer is written here. In any case, this size is updated in the msg header. | |
| 2701 * | |
|
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|
2702 * DESCRIPTION: |
| 0 | 2703 * Renders a message in memory as a buffer that can be sent over the network to the next peer. |
| 2704 * | |
| 2705 * RETURN VALUE: | |
| 2706 * 0 : The location has been written. | |
| 2707 * EINVAL : The buffer does not contain a valid Diameter message. | |
| 2708 * ENOMEM : Unable to allocate enough memory to create the buffer object. | |
| 2709 */ | |
|
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|
2710 int fd_msg_bufferize ( struct msg * msg, uint8_t ** buffer, size_t * len ); |
| 0 | 2711 |
| 2712 /* | |
| 2713 * FUNCTION: fd_msg_parse_buffer | |
| 2714 * | |
| 2715 * PARAMETERS: | |
|
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|
2716 * buffer : Pointer to a buffer containing a message received from the network. |
| 0 | 2717 * buflen : the size in bytes of the buffer. |
| 2718 * msg : Upon success, this points to a valid msg object. No AVP value is resolved in this object, nor grouped AVP. | |
| 2719 * | |
|
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|
2720 * DESCRIPTION: |
| 0 | 2721 * This function parses a buffer an creates a msg object to represent the structure of the message. |
| 2722 * Since no dictionary lookup is performed, the values of the AVPs are not interpreted. To interpret the values, | |
| 2723 * the returned message object must be passed to fd_msg_parse_dict function. | |
| 2724 * The buffer pointer is saved inside the message and will be freed when not needed anymore. | |
| 2725 * | |
| 2726 * RETURN VALUE: | |
| 2727 * 0 : The location has been written. | |
| 2728 * ENOMEM : Unable to allocate enough memory to create the msg object. | |
| 2729 * EBADMSG : The buffer does not contain a valid Diameter message (or is truncated). | |
| 2730 * EINVAL : A parameter is invalid. | |
| 2731 */ | |
|
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|
2732 int fd_msg_parse_buffer ( uint8_t ** buffer, size_t buflen, struct msg ** msg ); |
| 0 | 2733 |
|
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|
2734 /* Parsing Error Information structure */ |
|
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|
2735 struct fd_pei { |
|
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diff
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|
2736 char * pei_errcode; /* name of the error code to use */ |
|
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diff
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|
2737 struct avp * pei_avp; /* pointer to invalid (in original message) or missing AVP (to be freed) */ |
|
1230
e72c9dad62ac
Fix issue with generating Failed-AVP when the error is DIAMETER_MISSING_AVP. Also fix a memory leak in that case
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diff
changeset
|
2738 int pei_avp_free; /* Set to 1 if the pei_avp must be freed */ |
|
114
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|
2739 char * pei_message; /* Overwrite default message if needed */ |
|
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|
2740 int pei_protoerr; /* do we set the 'E' bit in the error message ? */ |
|
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2741 }; |
|
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Reporting errors in parse_dict function
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diff
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|
2742 |
| 0 | 2743 /* |
| 2744 * FUNCTION: fd_msg_parse_dict | |
| 2745 * | |
| 2746 * PARAMETERS: | |
| 2747 * object : A msg or AVP object as returned by fd_msg_parse_buffer. | |
| 2748 * dict : the dictionary containing the objects definitions to use for resolving all AVPs. | |
|
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|
2749 * error_info : If not NULL, will contain the detail about error upon return. May be used to generate an error reply. |
| 0 | 2750 * |
|
1392
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diff
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|
2751 * DESCRIPTION: |
| 0 | 2752 * This function looks up for the command and each children AVP definitions in the dictionary. |
| 2753 * If the dictionary definition is found, avp_model is set and the value of the AVP is interpreted accordingly and: | |
| 2754 * - for grouped AVPs, the children AVP are created and interpreted also. | |
| 2755 * - for numerical AVPs, the value is converted to host byte order and saved in the avp_value field. | |
|
1392
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diff
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|
2756 * - for octetstring AVPs, the string is copied into a new buffer and its address is saved in avp_value. |
| 0 | 2757 * If the dictionary definition is not found, avp_model is set to NULL and |
| 2758 * the content of the AVP is saved as an octetstring in an internal structure. avp_value is NULL. | |
|
637
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
621
diff
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|
2759 * As a result, after this function has been called, there is no more dependency of the msg object to the message buffer, that is freed. |
| 0 | 2760 * |
| 2761 * RETURN VALUE: | |
| 2762 * 0 : The message has been fully parsed as described. | |
| 2763 * EINVAL : The msg parameter is invalid for this operation. | |
| 2764 * ENOMEM : Unable to allocate enough memory to complete the operation. | |
| 2765 * ENOTSUP : No dictionary definition for the command or one of the mandatory AVP was found. | |
| 2766 */ | |
|
620
bc7328e600f0
Removed the OUTPUT specification for SWIG, too complex
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diff
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|
2767 int fd_msg_parse_dict ( msg_or_avp * object, struct dictionary * dict, struct fd_pei * error_info ); |
|
34
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parents:
33
diff
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|
2768 |
| 0 | 2769 /* |
| 2770 * FUNCTION: fd_msg_parse_rules | |
| 2771 * | |
| 2772 * PARAMETERS: | |
| 2773 * object : A msg or grouped avp object that must be verified. | |
| 2774 * dict : The dictionary containing the rules definitions. | |
|
34
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|
2775 * error_info : If not NULL, the first problem information will be saved here. |
| 0 | 2776 * |
|
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|
2777 * DESCRIPTION: |
| 0 | 2778 * Check that the children of the object do not conflict with the dictionary rules (ABNF compliance). |
| 2779 * | |
| 2780 * RETURN VALUE: | |
| 2781 * 0 : The message has been fully parsed and complies to the defined rules. | |
| 2782 * EBADMSG : A conflict was detected, or a mandatory AVP is unknown in the dictionary. | |
| 2783 * EINVAL : The msg or avp object is invalid for this operation. | |
| 2784 * ENOMEM : Unable to allocate enough memory to complete the operation. | |
| 2785 */ | |
|
620
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diff
changeset
|
2786 int fd_msg_parse_rules ( msg_or_avp * object, struct dictionary * dict, struct fd_pei * error_info); |
|
34
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parents:
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|
2787 |
| 0 | 2788 |
| 2789 | |
| 2790 /* | |
| 2791 * FUNCTION: fd_msg_update_length | |
| 2792 * | |
| 2793 * PARAMETERS: | |
|
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|
2794 * object : Pointer to a valid msg or avp. |
| 0 | 2795 * |
|
1392
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|
2796 * DESCRIPTION: |
| 0 | 2797 * Update the length field of the object passed as parameter. |
| 2798 * As a side effect, all children objects are also updated. Therefore, all avp_value fields of | |
| 2799 * the children AVPs must be set, or an error will occur. | |
| 2800 * | |
| 2801 * RETURN VALUE: | |
| 2802 * 0 : The size has been recomputed. | |
| 2803 * EINVAL : A parameter is invalid. | |
| 2804 */ | |
| 2805 int fd_msg_update_length ( msg_or_avp * object ); | |
| 2806 | |
| 2807 | |
|
7
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|
2808 /*============================================================*/ |
|
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|
2809 /* DISPATCH */ |
|
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|
2810 /*============================================================*/ |
|
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|
2811 |
|
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|
2812 /* Dispatch module (passing incoming messages to extensions registered callbacks) |
|
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2813 * is split between the library and the daemon. |
|
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|
2814 * |
|
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|
2815 * The library provides the support for associating dispatch callbacks with |
|
e5af94b04946
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|
2816 * dictionary objects. |
|
e5af94b04946
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|
2817 * |
|
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|
2818 * The daemon is responsible for calling the callbacks for a message when appropriate. |
|
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|
2819 * |
|
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|
2820 * |
|
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|
2821 * The dispatch module has two main roles: |
|
e5af94b04946
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|
2822 * - help determine if a message can be handled locally (during the routing step) |
|
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|
2823 * This decision involves only the application-id of the message. |
|
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|
2824 * - pass the message to the callback(s) that will handle it (during the dispatch step) |
|
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|
2825 * |
|
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|
2826 * The first role is handled by the daemon. |
|
e5af94b04946
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|
2827 * |
|
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Added dispatch module and tests
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|
2828 * About the second, these are the possibilities for registering a dispatch callback: |
|
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Added dispatch module and tests
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|
2829 * |
|
e5af94b04946
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|
2830 * -> For All messages. |
|
e5af94b04946
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|
2831 * This callback is called for all messages that are handled locally. This should be used only |
|
e5af94b04946
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|
2832 * for debug purpose. |
|
e5af94b04946
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|
2833 * |
|
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|
2834 * -> by AVP value (constants only). |
|
e5af94b04946
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|
2835 * This callback will be called when a message is received and contains an AVP with a specified enumerated value. |
|
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|
2836 * |
|
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|
2837 * -> by AVP. |
|
e5af94b04946
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|
2838 * This callback will be called when the received message contains a certain AVP. |
|
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|
2839 * |
|
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|
2840 * -> by command-code. |
|
e5af94b04946
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6
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|
2841 * This callback will be called when the message is a specific command (and 'R' flag). |
|
e5af94b04946
Added dispatch module and tests
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|
2842 * |
|
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|
2843 * -> by application. |
|
e5af94b04946
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6
diff
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|
2844 * This callback will be called when the message has a specific application-id. |
|
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|
2845 * |
|
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6
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|
2846 * ( by vendor: would this be useful? it may be added later) |
|
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Added dispatch module and tests
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|
2847 */ |
|
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diff
changeset
|
2848 enum disp_how { |
|
e5af94b04946
Added dispatch module and tests
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6
diff
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|
2849 DISP_HOW_ANY = 1, /* Any message. This should be only used for debug. */ |
|
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Added dispatch module and tests
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|
2850 DISP_HOW_APPID, /* Any message with the specified application-id */ |
|
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6
diff
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|
2851 DISP_HOW_CC, /* Messages of the specified command-code (request or answer). App id may be specified. */ |
|
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Added dispatch module and tests
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|
2852 DISP_HOW_AVP, /* Messages containing a specific AVP. Command-code and App id may be specified. */ |
|
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6
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|
2853 DISP_HOW_AVP_ENUMVAL /* Messages containing a specific AVP with a specific enumerated value. Command-code and App id may be specified. */ |
|
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|
2854 }; |
|
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diff
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|
2855 /* |
|
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6
diff
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|
2856 * Several criteria may be selected at the same time, for example command-code AND application id. |
|
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|
2857 * |
|
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6
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|
2858 * If several callbacks are registered for the same object, they are called in the order they were registered. |
|
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|
2859 * The order in which the callbacks are called is: |
|
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|
2860 * DISP_HOW_ANY |
|
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6
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|
2861 * DISP_HOW_AVP_ENUMVAL & DISP_HOW_AVP |
|
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|
2862 * DISP_HOW_CC |
|
e5af94b04946
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6
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|
2863 * DISP_HOW_APPID |
|
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diff
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|
2864 */ |
|
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|
2865 |
|
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6
diff
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|
2866 /* When a callback is registered, a "when" argument is passed in addition to the disp_how value, |
|
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diff
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|
2867 * to specify which values the criteria must match. */ |
|
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|
2868 struct disp_when { |
|
e5af94b04946
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|
2869 struct dict_object * app; |
|
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|
2870 struct dict_object * command; |
|
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|
2871 struct dict_object * avp; |
|
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|
2872 struct dict_object * value; |
|
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|
2873 }; |
|
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|
2874 |
|
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|
2875 /* Note that all the dictionary objects should really belong to the same dictionary! |
|
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|
2876 * |
|
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|
2877 * Here is the details on this "when" argument, depending on the disp_how value. |
|
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|
2878 * |
|
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6
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|
2879 * DISP_HOW_ANY. |
|
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|
2880 * In this case, "when" must be NULL. |
|
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|
2881 * |
|
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|
2882 * DISP_HOW_APPID. |
|
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6
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|
2883 * Only the "app_id" field must be set, other fields are ignored. It points to a dictionary object of type DICT_APPLICATION. |
|
e5af94b04946
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|
2884 * |
|
e5af94b04946
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|
2885 * DISP_HOW_CC. |
|
e5af94b04946
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6
diff
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|
2886 * The "command" field must be defined and point to a dictionary object of type DICT_COMMAND. |
|
e5af94b04946
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|
2887 * The "app_id" may be also set. In the case it is set, it restricts the callback to be called only with this command-code and app id. |
|
e5af94b04946
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|
2888 * The other fields are ignored. |
|
e5af94b04946
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6
diff
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|
2889 * |
|
e5af94b04946
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6
diff
changeset
|
2890 * DISP_HOW_AVP. |
|
e5af94b04946
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6
diff
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|
2891 * The "avp" field of the structure must be set and point to a dictionary object of type DICT_AVP. |
|
e5af94b04946
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changeset
|
2892 * The "app_id" field may be set to restrict the messages matching to a specific app id. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2893 * The "command" field may also be set to a valid DICT_COMMAND object. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2894 * The content of the "value" field is ignored. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2895 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2896 * DISP_HOW_AVP_ENUMVAL. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2897 * All fields have the same constraints and meaning as in DISP_REG_AVP. In addition, the "value" field must be set |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
2898 * and points to a valid DICT_ENUMVAL object. |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2899 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2900 * Here is a sumary of the fields: ( M : must be set; m : may be set; 0 : ignored ) |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2901 * field: app_id command avp value |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2902 * APPID : M 0 0 0 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2903 * CC : m M 0 0 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2904 * AVP : m m M 0 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2905 * ENUMVA: m m M M |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2906 */ |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2907 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2908 enum disp_action { |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2909 DISP_ACT_CONT, /* The next handler should be called, unless *msg == NULL. */ |
|
90
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
88
diff
changeset
|
2910 DISP_ACT_SEND, /* The updated message must be sent. No further callback is called. */ |
|
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
88
diff
changeset
|
2911 DISP_ACT_ERROR /* An error must be created and sent as a reply -- not valid for callbacks, only for fd_msg_dispatch. */ |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2912 }; |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2913 /* The callbacks that are registered have the following prototype: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2914 * int dispatch_callback( struct msg ** msg, struct avp * avp, struct session * session, enum disp_action * action ); |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2915 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2916 * CALLBACK: dispatch_callback |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2917 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2918 * PARAMETERS: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2919 * msg : the received message on function entry. may be updated to answer on return (see description) |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2920 * avp : for callbacks registered with DISP_HOW_AVP or DISP_HOW_AVP_ENUMVAL, direct link to the triggering AVP. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2921 * session : if the message contains a Session-Id AVP, the corresponding session object, NULL otherwise. |
|
639
95a784729cac
Added new opaque pointer to fd_sess_handler_create and fd_disp_register for usability. Bumped API version number.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
638
diff
changeset
|
2922 * opaque : An opaque pointer that is registered along the session handler. |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2923 * action : upon return, this tells the daemon what to do next. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2924 * |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
2925 * DESCRIPTION: |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2926 * Called when a received message matchs the condition for which the callback was registered. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2927 * This callback may do any kind of processing on the message, including: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2928 * - create an answer for a request. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2929 * - proxy a request or message, add / remove the Proxy-Info AVP, then forward the message. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2930 * - update a routing table or start a connection with a new peer, then forward the message. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2931 * - ... |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
2932 * |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2933 * When *action == DISP_ACT_SEND on callback return, the msg pointed by *msg is passed to the routing module for sending. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2934 * When *action == DISP_ACT_CONT, the next registered callback is called. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2935 * When the last callback gives also DISP_ACT_CONT action value, a default handler is called. It's behavior is as follow: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2936 * - if the message is an answer, it is discarded. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2937 * - if the message is a request, it is passed again to the routing stack, and marked as non-local handling. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2938 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2939 * RETURN VALUE: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2940 * 0 : The callback executed successfully and updated *action appropriately. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2941 * !0 : standard errors. In case of error, the message is discarded. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2942 */ |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2943 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2944 /* This structure represents a handler for a registered callback, allowing its de-registration */ |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2945 struct disp_hdl; |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2946 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2947 /* |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2948 * FUNCTION: fd_disp_register |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2949 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2950 * PARAMETERS: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2951 * cb : The callback function to register (see dispatch_callback description above). |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2952 * how : How the callback must be registered. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2953 * when : Values that must match, depending on the how argument. |
|
639
95a784729cac
Added new opaque pointer to fd_sess_handler_create and fd_disp_register for usability. Bumped API version number.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
638
diff
changeset
|
2954 * opaque : A pointer that is passed back to the handler. The content is not interpreted by the framework. |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
2955 * handle : On success, a handler to the registered callback is stored here if not NULL. |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2956 * This handler can be used to unregister the cb. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2957 * |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
2958 * DESCRIPTION: |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2959 * Register a new callback to handle messages delivered locally. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2960 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2961 * RETURN VALUE: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2962 * 0 : The callback is registered. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2963 * EINVAL : A parameter is invalid. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2964 * ENOMEM : Not enough memory to complete the operation |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2965 */ |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
2966 int fd_disp_register ( int (*cb)( struct msg **, struct avp *, struct session *, void *, enum disp_action *), |
|
639
95a784729cac
Added new opaque pointer to fd_sess_handler_create and fd_disp_register for usability. Bumped API version number.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
638
diff
changeset
|
2967 enum disp_how how, struct disp_when * when, void * opaque, struct disp_hdl ** handle ); |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2968 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2969 /* |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2970 * FUNCTION: fd_disp_unregister |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2971 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2972 * PARAMETERS: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2973 * handle : Location of the handle of the callback that must be unregistered. |
|
639
95a784729cac
Added new opaque pointer to fd_sess_handler_create and fd_disp_register for usability. Bumped API version number.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
638
diff
changeset
|
2974 * opaque : If not NULL, the opaque data that was registered is restored here. |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2975 * |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
2976 * DESCRIPTION: |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2977 * Removes a callback previously registered by fd_disp_register. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2978 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2979 * RETURN VALUE: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2980 * 0 : The callback is unregistered. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2981 * EINVAL : A parameter is invalid. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2982 */ |
|
639
95a784729cac
Added new opaque pointer to fd_sess_handler_create and fd_disp_register for usability. Bumped API version number.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
638
diff
changeset
|
2983 int fd_disp_unregister ( struct disp_hdl ** handle, void ** opaque ); |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2984 |
|
90
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
88
diff
changeset
|
2985 /* Destroy all handlers */ |
|
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
88
diff
changeset
|
2986 void fd_disp_unregister_all ( void ); |
|
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
88
diff
changeset
|
2987 |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2988 /* |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2989 * FUNCTION: fd_msg_dispatch |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2990 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2991 * PARAMETERS: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2992 * msg : A msg object that have already been fd_msg_parse_dict. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2993 * session : The session corresponding to this object, if any. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2994 * action : Upon return, the action that must be taken on the message |
|
706
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
2995 * error_code : Upon return with action == DISP_ACT_ERROR, contains the error (such as "DIAMETER_UNABLE_TO_COMPLY") |
|
1113
eb4ce68b6e5c
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Sebastien Decugis <sdecugis@freediameter.net>
parents:
1107
diff
changeset
|
2996 * drop_reason : if set on return, the message must be freed for this reason. |
|
eb4ce68b6e5c
Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1107
diff
changeset
|
2997 * drop_msg : if drop_reason is set, this points to the message to be freed while *msg is NULL. |
|
7
e5af94b04946
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2998 * |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
2999 * DESCRIPTION: |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3000 * Call all handlers registered for a given message. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3001 * The session must have already been resolved on entry. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3002 * The msg pointed may be updated during this process. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3003 * Upon return, the action parameter points to what must be done next. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3004 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3005 * RETURN VALUE: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3006 * 0 : Success. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3007 * EINVAL : A parameter is invalid. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3008 * (other errors) |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3009 */ |
|
1113
eb4ce68b6e5c
Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1107
diff
changeset
|
3010 int fd_msg_dispatch ( struct msg ** msg, struct session * session, enum disp_action *action, char ** error_code, char ** drop_reason, struct msg ** drop_msg ); |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3011 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
3012 |
| 0 | 3013 |
| 3014 /*============================================================*/ | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3015 /* QUEUES */ |
| 0 | 3016 /*============================================================*/ |
| 3017 | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3018 /* Management of FIFO queues of elements */ |
| 0 | 3019 |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3020 /* A queue is an opaque object */ |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3021 struct fifo; |
| 0 | 3022 |
| 3023 /* | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3024 * FUNCTION: fd_fifo_new |
| 0 | 3025 * |
| 3026 * PARAMETERS: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3027 * queue : Upon success, a pointer to the new queue is saved here. |
|
767
c47c16436f71
Added a limit on fifo queues to avoid memory exaustion when messages are received faster than handled
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
764
diff
changeset
|
3028 * max : max number of items in the queue. Above this number, adding a new item becomes a |
|
c47c16436f71
Added a limit on fifo queues to avoid memory exaustion when messages are received faster than handled
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
764
diff
changeset
|
3029 * blocking operation. Use 0 to disable this maximum. |
| 0 | 3030 * |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
3031 * DESCRIPTION: |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3032 * Create a new empty queue. |
| 0 | 3033 * |
| 3034 * RETURN VALUE : | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3035 * 0 : The queue has been initialized successfully. |
| 0 | 3036 * EINVAL : The parameter is invalid. |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
3037 * ENOMEM : Not enough memory to complete the creation. |
| 0 | 3038 */ |
|
767
c47c16436f71
Added a limit on fifo queues to avoid memory exaustion when messages are received faster than handled
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
764
diff
changeset
|
3039 int fd_fifo_new ( struct fifo ** queue, int max ); |
| 0 | 3040 |
| 3041 /* | |
|
1393
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3042 * FUNCTION: fd_fifo_set_max |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3043 * |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3044 * PARAMETERS: |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3045 * queue : The queue for which to set the maximum value |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3046 * max : max number of items in the queue. |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3047 * |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3048 * DESCRIPTION: |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3049 * Modify the maximum number of entries in a queue |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3050 * |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3051 * RETURN VALUE : |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3052 * 0 : Success |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3053 */ |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3054 int fd_fifo_set_max ( struct fifo * queue, int max ); |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3055 |
|
357e9cec520f
libfdproto: add fd_fifo_set_max
Thomas Klausner <tk@giga.or.at>
parents:
1392
diff
changeset
|
3056 /* |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3057 * FUNCTION: fd_fifo_del |
| 0 | 3058 * |
| 3059 * PARAMETERS: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3060 * queue : Pointer to an empty queue to delete. |
| 0 | 3061 * |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
3062 * DESCRIPTION: |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3063 * Destroys a queue. This is only possible if no thread is waiting for an element, |
| 0 | 3064 * and the queue is empty. |
| 3065 * | |
| 3066 * RETURN VALUE: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3067 * 0 : The queue has been destroyed successfully. |
| 0 | 3068 * EINVAL : The parameter is invalid. |
| 3069 */ | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3070 int fd_fifo_del ( struct fifo ** queue ); |
| 0 | 3071 |
| 3072 /* | |
|
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3073 * FUNCTION: fd_fifo_move |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3074 * |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3075 * PARAMETERS: |
|
653
34373acfbc6a
Added sample C++ file in _sample extension
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
649
diff
changeset
|
3076 * oldq : Location of a FIFO that is to be emptied. |
|
34373acfbc6a
Added sample C++ file in _sample extension
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
649
diff
changeset
|
3077 * newq : A FIFO that will receive the old data. |
|
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3078 * loc_update : if non NULL, a place to store the pointer to new FIFO atomically with the move. |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3079 * |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
3080 * DESCRIPTION: |
|
43
2db15632a63d
Added a large part of connection establishment logic, to test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
34
diff
changeset
|
3081 * Empties a queue and move its content to another one atomically. |
|
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3082 * |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3083 * RETURN VALUE: |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3084 * 0 : The queue has been destroyed successfully. |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3085 * EINVAL : A parameter is invalid. |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3086 */ |
|
653
34373acfbc6a
Added sample C++ file in _sample extension
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
649
diff
changeset
|
3087 int fd_fifo_move ( struct fifo * oldq, struct fifo * newq, struct fifo ** loc_update ); |
|
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3088 |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3089 /* |
|
1060
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3090 * FUNCTION: fd_fifo_getstats |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3091 * |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3092 * PARAMETERS: |
|
1071
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3093 * queue : The queue from which to retrieve the information. |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3094 * current_count : How many items in the queue at the time of execution. This changes each time an item is pushed or poped. |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3095 * limit_count : The maximum number of items allowed in this queue. This is specified during queue creation. |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3096 * highest_count : The maximum number of items this queue has contained. This enables to see if limit_count count was reached. |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3097 * total_count : the total number of items that went through the queue (already pop'd). Always increasing. |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3098 * total : Cumulated time all items spent in this queue, including blocking time (always growing, use deltas for monitoring) |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3099 * blocking : Cumulated time threads trying to post new items were blocked (queue full). |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3100 * last : For the last element retrieved from the queue, how long it take between posting (including blocking) and poping |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
3101 * |
|
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
3102 * DESCRIPTION: |
|
1060
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3103 * Retrieve the timing information associated with a queue, for monitoring purpose. |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3104 * |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3105 * RETURN VALUE: |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3106 * 0 : The statistics have been updated. |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3107 * EINVAL : A parameter is invalid. |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3108 */ |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
3109 int fd_fifo_getstats( struct fifo * queue, int * current_count, int * limit_count, int * highest_count, long long * total_count, |
|
1071
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3110 struct timespec * total, struct timespec * blocking, struct timespec * last); |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3111 |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3112 /* |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3113 * FUNCTION: fd_fifo_length |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3114 * |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3115 * PARAMETERS: |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3116 * queue : The queue from which to retrieve the number of elements. |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3117 * |
|
1392
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
parents:
1343
diff
changeset
|
3118 * DESCRIPTION: |
|
1071
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3119 * Retrieve the number of elements in a queue, without error checking. |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3120 * |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3121 * RETURN VALUE: |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3122 * The number of items currently queued. |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3123 */ |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3124 int fd_fifo_length ( struct fifo * queue ); |
|
1060
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
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3125 |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
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|
3126 /* |
|
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3127 * FUNCTION: fd_fifo_setthrhd |
| 0 | 3128 * |
| 3129 * PARAMETERS: | |
| 3130 * queue : The queue for which the thresholds are being set. | |
| 3131 * data : An opaque pointer that is passed to h_cb and l_cb callbacks. | |
| 3132 * high : The high-level threshold. If the number of elements in the queue increase to this value, h_cb is called. | |
| 3133 * h_cb : if not NULL, a callback to call when the queue lengh is bigger than "high". | |
| 3134 * low : The low-level threshold. Must be < high. | |
| 3135 * l_cb : If the number of elements decrease to low, this callback is called. | |
| 3136 * | |
|
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|
3137 * DESCRIPTION: |
| 0 | 3138 * This function allows to adjust the number of producer / consumer threads of a queue. |
|
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3139 * If the consumer are slower than the producers, the number of elements in the queue increase. |
| 0 | 3140 * By setting a "high" value, we allow a callback to be called when this number is too high. |
| 3141 * The typical use would be to create an additional consumer thread in this callback. | |
| 3142 * If the queue continues to grow, the callback will be called again when the length is 2 * high, then 3*high, ... N * high | |
|
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|
3143 * (the callback itself should implement a limit on the number of consumers that can be created) |
| 0 | 3144 * When the queue starts to decrease, and the number of elements go under ((N - 1) * high + low, the l_cb callback is called |
|
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|
3145 * and would typially stop one of the consumer threads. If the queue continues to reduce, l_cb is again called at (N-2)*high + low, |
| 0 | 3146 * and so on. |
| 3147 * | |
| 3148 * Since there is no destructor for the data pointer, if cleanup operations are required, they should be performed in | |
| 3149 * l_cb when the length of the queue is becoming < low. | |
| 3150 * | |
|
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|
3151 * Note that the callbacks are called synchronously, during fd_fifo_post or fd_fifo_get. Their operation should be quick. |
| 0 | 3152 * |
| 3153 * RETURN VALUE: | |
| 3154 * 0 : The thresholds have been set | |
| 3155 * EINVAL : A parameter is invalid. | |
| 3156 */ | |
|
8
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|
3157 int fd_fifo_setthrhd ( struct fifo * queue, void * data, uint16_t high, void (*h_cb)(struct fifo *, void **), uint16_t low, void (*l_cb)(struct fifo *, void **) ); |
| 0 | 3158 |
| 3159 /* | |
|
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|
3160 * FUNCTION: fd_fifo_post |
| 0 | 3161 * |
| 3162 * PARAMETERS: | |
|
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|
3163 * queue : The queue in which the element must be posted. |
|
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3164 * item : The element that is put in the queue. |
| 0 | 3165 * |
|
1392
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|
3166 * DESCRIPTION: |
|
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3167 * An element is added in a queue. Elements are retrieved from the queue in FIFO order |
|
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3168 * with the fd_fifo_get, fd_fifo_tryget, or fd_fifo_timedget functions. |
| 0 | 3169 * |
| 3170 * RETURN VALUE: | |
|
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3171 * 0 : The element is queued. |
| 0 | 3172 * EINVAL : A parameter is invalid. |
| 3173 * ENOMEM : Not enough memory to complete the operation. | |
| 3174 */ | |
|
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3175 int fd_fifo_post_int ( struct fifo * queue, void ** item ); |
|
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|
3176 #define fd_fifo_post(queue, item) \ |
|
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|
3177 fd_fifo_post_int((queue), (void *)(item)) |
| 0 | 3178 |
|
1188
f40de74bd1c7
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|
3179 /* Similar function but does not block. It can cause the number of items in the queue to exceed the maximum set. Do not use for normal operation, |
|
f40de74bd1c7
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|
3180 only for failure recovery for example. */ |
|
f40de74bd1c7
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|
3181 int fd_fifo_post_noblock( struct fifo * queue, void ** item ); |
|
f40de74bd1c7
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3182 |
| 0 | 3183 /* |
|
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3184 * FUNCTION: fd_fifo_get |
| 0 | 3185 * |
| 3186 * PARAMETERS: | |
|
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3187 * queue : The queue from which the first element must be retrieved. |
|
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3188 * item : On return, the first element of the queue is stored here. |
| 0 | 3189 * |
|
1392
497d926f5e3d
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Thomas Klausner <tk@giga.or.at>
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|
3190 * DESCRIPTION: |
|
497d926f5e3d
libfdproto.h: remove trailing whitespace
Thomas Klausner <tk@giga.or.at>
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diff
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|
3191 * This function retrieves the first element from a queue. If the queue is empty, the function will block the |
|
497d926f5e3d
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|
3192 * thread until a new element is posted to the queue, or until the thread is canceled (in which case the |
| 0 | 3193 * function does not return). |
| 3194 * | |
| 3195 * RETURN VALUE: | |
|
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3196 * 0 : A new element has been retrieved. |
| 0 | 3197 * EINVAL : A parameter is invalid. |
| 3198 */ | |
|
620
bc7328e600f0
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|
3199 int fd_fifo_get_int ( struct fifo * queue, void ** item ); |
|
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3200 #define fd_fifo_get(queue, item) \ |
|
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3201 fd_fifo_get_int((queue), (void *)(item)) |
| 0 | 3202 |
| 3203 /* | |
|
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|
3204 * FUNCTION: fd_fifo_tryget |
| 0 | 3205 * |
| 3206 * PARAMETERS: | |
|
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3207 * queue : The queue from which the element must be retrieved. |
|
124
cc42d8607114
Completed cleanups of queues when the daemon is stopping
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|
3208 * item : On return, the first element of the queue is stored here. |
| 0 | 3209 * |
|
1392
497d926f5e3d
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|
3210 * DESCRIPTION: |
|
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|
3211 * This function is similar to fd_fifo_get, except that it will not block if |
| 0 | 3212 * the queue is empty, but return EWOULDBLOCK instead. |
| 3213 * | |
| 3214 * RETURN VALUE: | |
|
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3215 * 0 : A new element has been retrieved. |
| 0 | 3216 * EINVAL : A parameter is invalid. |
| 3217 * EWOULDBLOCK : The queue was empty. | |
| 3218 */ | |
|
620
bc7328e600f0
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3219 int fd_fifo_tryget_int ( struct fifo * queue, void ** item ); |
|
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3220 #define fd_fifo_tryget(queue, item) \ |
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3221 fd_fifo_tryget_int((queue), (void *)(item)) |
| 0 | 3222 |
| 3223 /* | |
|
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3224 * FUNCTION: fd_fifo_timedget |
| 0 | 3225 * |
| 3226 * PARAMETERS: | |
|
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3227 * queue : The queue from which the element must be retrieved. |
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|
3228 * item : On return, the element is stored here. |
|
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3229 * abstime : the absolute time until which we allow waiting for an item. |
| 0 | 3230 * |
|
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3231 * DESCRIPTION: |
|
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3232 * This function is similar to fd_fifo_get, except that it will block if the queue is empty |
| 0 | 3233 * only until the absolute time abstime (see pthread_cond_timedwait for + info). |
| 3234 * If the queue is still empty when the time expires, the function returns ETIMEDOUT | |
| 3235 * | |
| 3236 * RETURN VALUE: | |
|
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3237 * 0 : A new item has been retrieved. |
| 0 | 3238 * EINVAL : A parameter is invalid. |
|
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3239 * ETIMEDOUT : The time out has passed and no item has been received. |
| 0 | 3240 */ |
|
620
bc7328e600f0
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|
3241 int fd_fifo_timedget_int ( struct fifo * queue, void ** item, const struct timespec *abstime ); |
|
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3242 #define fd_fifo_timedget(queue, item, abstime) \ |
|
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3243 fd_fifo_timedget_int((queue), (void *)(item), (abstime)) |
| 0 | 3244 |
|
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|
3245 |
|
56c36d1007b4
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|
3246 /* |
|
56c36d1007b4
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3247 * FUNCTION: fd_fifo_select |
|
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|
3248 * |
|
56c36d1007b4
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|
3249 * PARAMETERS: |
|
56c36d1007b4
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3250 * queue : The queue to test. |
|
56c36d1007b4
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|
3251 * abstime : the absolute time until which we can block waiting for an item. If NULL, the function returns immediatly. |
|
56c36d1007b4
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3252 * |
|
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3253 * DESCRIPTION: |
|
1186
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|
3254 * This function is similar to select(), it waits for data to be available in the queue |
|
56c36d1007b4
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3255 * until the abstime is expired. |
|
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|
3256 * Upon function entry, even if abstime is already expired the data availability is tested. |
|
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3257 * |
|
56c36d1007b4
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3258 * RETURN VALUE: |
|
56c36d1007b4
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3259 * 0 : timeout expired without available data. |
|
56c36d1007b4
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|
3260 * <0 : An error occurred (e.g., -EINVAL...) |
|
56c36d1007b4
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|
3261 * >0 : data is available. The next call to fd_fifo_get will not block. |
|
56c36d1007b4
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|
3262 */ |
|
56c36d1007b4
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|
3263 int fd_fifo_select ( struct fifo * queue, const struct timespec *abstime ); |
|
56c36d1007b4
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|
3264 |
|
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|
3265 |
|
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|
3266 |
|
10
c5c99c73c2bf
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|
3267 /* Dump a fifo list and optionally its inner elements -- beware of deadlocks! */ |
|
1085
7d7266115a34
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|
3268 typedef DECLARE_FD_DUMP_PROTOTYPE((*fd_fifo_dump_item_cb), void * item); /* This function should be 1 line if possible, or use indent level. Ends with '\n' */ |
|
7d7266115a34
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|
3269 DECLARE_FD_DUMP_PROTOTYPE(fd_fifo_dump, char * name, struct fifo * queue, fd_fifo_dump_item_cb dump_item); |
|
10
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|
3270 |
|
904
b839a1b1c1da
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diff
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|
3271 #ifdef __cplusplus |
|
b839a1b1c1da
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|
3272 } |
|
b839a1b1c1da
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|
3273 #endif |
|
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|
3274 |
|
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f198d16fa7f4
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|
3275 #endif /* _LIBFDPROTO_H */ |