Mercurial > hg > freeDiameter
annotate include/freeDiameter/libfdproto.h @ 1237:b255ba44f59c
Add an option DEBUG_WITHOUT_META to strip some information from the log prefix
| author | Sebastien Decugis <sdecugis@freediameter.net> |
|---|---|
| date | Sat, 02 Nov 2013 22:27:34 +0800 |
| parents | e72c9dad62ac |
| children | b25ca6134bdc |
| 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) 2013, 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> |
| 0 | 81 |
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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 5658 |
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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 * | |
| 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 * | |
| 166 * DESCRIPTION: | |
| 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 | |
| 185 * | |
| 186 * DESCRIPTION: | |
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187 * Writes the timestamp (in human readable format) in a buffer. |
| 0 | 188 * |
| 189 * RETURN VALUE: | |
| 190 * pointer to buf. | |
| 191 */ | |
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192 char * fd_log_time ( struct timespec * ts, char * buf, size_t len ); |
| 0 | 193 |
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194 /* |
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195 * FUNCTION: fd_log_handler_register |
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196 * MACRO: |
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197 * |
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198 * PARAMETERS: |
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199 * loglevel : priority of the message |
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200 * format : Same format string as in the printf function |
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201 * va_list : Argument list |
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202 * |
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203 * DESCRIPTION: |
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204 * Register an external method for logging purposes. |
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205 * |
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206 * RETURN VALUE: |
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207 * int : Success or failure |
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208 */ |
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209 int fd_log_handler_register ( void (*logger)(int loglevel, const char * format, va_list args) ); |
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210 |
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211 /* |
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212 * FUNCTION: fd_log_handler_unregister |
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213 * MACRO: |
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214 * |
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215 * PARAMETERS: |
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216 * |
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217 * DESCRIPTION: |
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218 * Unregister the external logging function. |
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219 * |
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220 * RETURN VALUE: |
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221 * int : Success or failure |
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222 */ |
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223 int fd_log_handler_unregister ( void ); |
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224 |
| 0 | 225 |
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226 /* All dump functions follow this same prototype: |
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227 * PARAMETERS: |
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228 * buf : *buf can be NULL on entry, it will be malloc'd. Otherwise it is realloc'd if needed. |
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229 * len : the current size of the buffer (in/out) |
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230 * 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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231 * |
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232 * RETURN VALUE: |
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233 * *buf upon success, NULL upon failure. |
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234 * |
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235 * REMARKS: |
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236 * - After the buffer has been used, it should be freed. |
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237 * - Depending on the function, the created string may be multi-line. However, it should never be terminated with a '\n'. |
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238 */ |
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239 #define DECLARE_FD_DUMP_PROTOTYPE( function_name, args... ) \ |
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240 char * function_name(char ** buf, size_t *len, size_t *offset, ##args) |
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241 |
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242 #ifdef SWIG |
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243 #define DECLARE_FD_DUMP_PROTOTYPE_simple( function_name ) \ |
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244 char * function_name(char ** buf, size_t *len, size_t *offset) |
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245 #endif /* SWIG */ |
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246 |
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247 |
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248 /* Helper functions for the *dump functions that add into a buffer */ |
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249 DECLARE_FD_DUMP_PROTOTYPE( fd_dump_extend, const char * format, ... ) _ATTRIBUTE_PRINTFLIKE_(4,5); |
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250 DECLARE_FD_DUMP_PROTOTYPE( fd_dump_extend_hexdump, uint8_t *data, size_t datalen, size_t trunc, size_t wrap ); |
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251 |
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252 |
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253 /* Some helpers macro for writing such *_dump routine */ |
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254 #define FD_DUMP_STD_PARAMS buf, len, offset |
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255 #define FD_DUMP_HANDLE_OFFSET() size_t o = 0; if (!offset) offset = &o |
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256 #define FD_DUMP_HANDLE_TRAIL() while ((*buf) && (*offset > 0) && ((*buf)[*offset - 1] == '\n')) { *offset -= 1; (*buf)[*offset] = '\0'; } |
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257 |
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258 |
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259 |
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260 /*============================================================*/ |
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261 /* DEBUG MACROS */ |
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262 /*============================================================*/ |
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263 |
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264 #ifndef ASSERT |
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265 #define ASSERT(x) assert(x) |
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266 #endif /* ASSERT */ |
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267 |
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268 /* log levels definitions, that are passed to the logger */ |
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269 #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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270 #define FD_LOG_DEBUG 1 /* Get a detailed sense of what is going on in the framework. Use this level for normal debug */ |
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271 #define FD_LOG_NOTICE 3 /* Normal execution states worth noting */ |
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272 #define FD_LOG_ERROR 5 /* Recoverable or expected error conditions */ |
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273 #define FD_LOG_FATAL 6 /* Unrecoverable error, e.g. malloc fail, etc. that requires the framework to shutdown */ |
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274 |
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275 /* The level used by the default logger, can be changed by command-line arguments. Ignored for other loggers. */ |
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276 extern int fd_g_debug_lvl; |
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277 |
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278 /* Some portability code to get nice function name in __PRETTY_FUNCTION__ */ |
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279 #if (!defined( __func__)) && (__STDC_VERSION__ < 199901L) |
| 0 | 280 # if __GNUC__ >= 2 |
| 281 # define __func__ __FUNCTION__ | |
| 282 # else /* __GNUC__ >= 2 */ | |
| 283 # define __func__ "<unknown>" | |
| 284 # endif /* __GNUC__ >= 2 */ | |
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285 #endif /*(!defined( __func__)) && (__STDC_VERSION__ < 199901L) */ |
| 0 | 286 #ifndef __PRETTY_FUNCTION__ |
| 287 #define __PRETTY_FUNCTION__ __func__ | |
| 288 #endif /* __PRETTY_FUNCTION__ */ | |
| 289 | |
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290 /* A version of __FILE__ without the full path */ |
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291 static char * file_bname = NULL; |
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292 static char * file_bname_init(char * full) { file_bname = basename(full); return file_bname; } |
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293 #define __STRIPPED_FILE__ (file_bname ?: file_bname_init((char *)__FILE__)) |
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294 |
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295 |
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296 |
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297 /* In DEBUG mode, we add meta-information along each trace. This makes multi-threading problems easier to debug. */ |
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298 #if (defined(DEBUG) && !defined(DEBUG_WITHOUT_META)) |
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299 # define STD_TRACE_FMT_STRING "pid:%s in %s@%s:%d: " |
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300 # define STD_TRACE_FMT_ARGS , ((char *)pthread_getspecific(fd_log_thname) ?: "unnamed"), __PRETTY_FUNCTION__, __STRIPPED_FILE__, __LINE__ |
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301 #else /* DEBUG && !DEBUG_WITHOUT_META */ |
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302 # define STD_TRACE_FMT_STRING "" |
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303 # define STD_TRACE_FMT_ARGS |
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304 #endif /* DEBUG && !DEBUG_WITHOUT_META */ |
| 0 | 305 |
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306 /************************* |
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307 The general debug macro |
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308 *************************/ |
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309 #define LOG(printlevel,format,args... ) \ |
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310 fd_log((printlevel), STD_TRACE_FMT_STRING format STD_TRACE_FMT_ARGS, ## args) |
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311 |
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312 /* |
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313 * Use the following macros in the code to get traces with location & pid in debug mode: |
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314 */ |
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315 #ifdef DEBUG |
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316 # define LOG_A(format,args... ) \ |
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317 do { if ((fd_debug_one_function && !strcmp(fd_debug_one_function, __PRETTY_FUNCTION__)) \ |
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318 || (fd_debug_one_file && !strcmp(fd_debug_one_file, __STRIPPED_FILE__) ) ) { \ |
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319 LOG(FD_LOG_DEBUG,"[DBG_MATCH] " format,##args); \ |
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320 } else { \ |
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321 LOG(FD_LOG_ANNOYING,format,##args); \ |
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322 } } while (0) |
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323 #else /* DEBUG */ |
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324 # define LOG_A(format,args... ) /* not defined in release */ |
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325 #endif /* DEBUG */ |
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326 |
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327 /* Debug information useful to follow in detail what is going on */ |
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328 #define LOG_D(format,args... ) \ |
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329 LOG(FD_LOG_DEBUG, format, ##args) |
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330 |
| 972 | 331 /* Report a normal message that is useful for normal admin monitoring */ |
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332 #define LOG_N(format,args... ) \ |
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333 LOG(FD_LOG_NOTICE, format,##args) |
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334 |
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335 /* Report an error */ |
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336 #define LOG_E(format,args... ) \ |
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337 LOG(FD_LOG_ERROR, format, ##args) |
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338 |
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339 /* Report a fatal error */ |
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340 #define LOG_F(format,args... ) \ |
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341 LOG(FD_LOG_FATAL, format, ##args) |
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342 |
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343 |
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344 /************* |
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345 Derivatives |
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346 ************/ |
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347 /* Trace a binary buffer content */ |
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348 #define LOG_BUFFER(printlevel, prefix, buf, bufsz, suffix ) { \ |
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349 int __i; \ |
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350 size_t __sz = (size_t)(bufsz); \ |
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351 uint8_t * __buf = (uint8_t *)(buf); \ |
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352 char __strbuf[1024+1]; \ |
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353 for (__i = 0; (__i < __sz) && (__i<(sizeof(__strbuf)/2)); __i++) { \ |
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354 sprintf(__strbuf + (2 * __i), "%02hhx", __buf[__i]); \ |
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355 } \ |
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356 fd_log(printlevel, STD_TRACE_FMT_STRING "%s%s%s" STD_TRACE_FMT_ARGS, \ |
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357 (prefix), __strbuf, (suffix)); \ |
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358 } |
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359 |
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360 /* Split a multi-line buffer into separate calls to the LOG function. */ |
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361 #define LOG_SPLIT(printlevel, per_line_prefix, mlbuf, per_line_suffix ) { \ |
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362 char * __line = (mlbuf), *__next; \ |
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363 char * __p = (per_line_prefix), *__s = (per_line_suffix); \ |
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364 while ((__next = strchr(__line, '\n')) != NULL) { \ |
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365 LOG(printlevel, "%s%.*s%s", __p ?:"", (int)(__next - __line), __line, __s ?:""); \ |
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366 __line = __next + 1; \ |
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367 } \ |
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368 LOG(printlevel, "%s%s%s", __p ?:"", __line, __s ?:""); \ |
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369 } |
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370 |
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371 /* Helper for function entry -- for very detailed trace of the execution */ |
| 0 | 372 #define TRACE_ENTRY(_format,_args... ) \ |
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373 LOG_A("[enter] %s(" _format ") {" #_args "}", __PRETTY_FUNCTION__, ##_args ); |
| 0 | 374 |
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375 /* Helper for debugging by adding traces -- for debuging a specific location of the code */ |
| 0 | 376 #define TRACE_HERE() \ |
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377 LOG_F(" -- debug checkpoint %d -- ", fd_breakhere()); |
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378 int fd_breakhere(void); |
| 0 | 379 |
| 972 | 380 /* Helper for tracing the CHECK_* macros below -- very very verbose code execution! */ |
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381 #define TRACE_CALL( str... ) \ |
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382 LOG_A( str ) |
| 0 | 383 |
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384 /* For development only, to keep track of TODO locations in the code */ |
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385 #ifndef ERRORS_ON_TODO |
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386 # define TODO( _msg, _args... ) \ |
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387 LOG_F( "TODO: " _msg , ##_args); |
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388 #else /* ERRORS_ON_TODO */ |
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389 # define TODO( _msg, _args... ) \ |
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390 "TODO" = _msg ## _args; /* just a stupid compilation error to spot the todo */ |
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391 #endif /* ERRORS_ON_TODO */ |
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392 |
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393 |
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394 /*============================================================*/ |
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395 /* ERROR CHECKING MACRO */ |
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396 /*============================================================*/ |
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397 |
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398 /* Macros to check a return value and branch out in case of error. |
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399 * These macro additionally provide the logging information. |
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400 * |
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401 * The name "__ret__" is always available in the __fallback__ parameter and contains the error code. |
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402 */ |
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403 |
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404 #define CHECK_PRELUDE(__call__) \ |
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405 int __ret__; \ |
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406 TRACE_CALL("Check: %s", #__call__ ); \ |
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407 __ret__ = (__call__) |
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408 |
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409 #define DEFAULT_FB return __ret__; |
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410 |
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411 /* System check: error case if < 0, error value in errno */ |
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412 #define CHECK_SYS_GEN( faillevel, __call__, __fallback__ ) { \ |
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413 CHECK_PRELUDE(__call__); \ |
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414 if (__ret__ < 0) { \ |
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415 __ret__ = errno; \ |
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416 LOG(faillevel, "ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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417 __fallback__; \ |
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418 } \ |
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419 } |
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420 |
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421 |
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422 /* Check the return value of a function and execute fallback in case of error or special value */ |
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423 #define CHECK_FCT_GEN2( faillevel, __call__, __speval__, __fallback1__, __fallback2__ ) { \ |
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424 CHECK_PRELUDE(__call__); \ |
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425 if (__ret__ != 0) { \ |
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426 if (__ret__ == (__speval__)) { \ |
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427 __fallback1__; \ |
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428 } else { \ |
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429 LOG(faillevel, "ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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430 __fallback2__; \ |
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431 } \ |
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432 } \ |
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433 } |
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434 |
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435 /* Check the return value of a function and execute fallback in case of error (return value different from 0) */ |
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436 #define CHECK_FCT_GEN( faillevel, __call__, __fallback__) \ |
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437 CHECK_FCT_GEN2( faillevel, (__call__), 0, , (__fallback__) ) |
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438 |
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439 /* Check that a memory allocator did not return NULL, otherwise log an error and execute fallback */ |
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440 #define CHECK_MALLOC_GEN( faillevel, __call__, __fallback__ ) { \ |
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441 void * __ptr__; \ |
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442 TRACE_CALL("Check: %s", #__call__ ); \ |
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443 __ptr__ = (void *)(__call__); \ |
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444 if (__ptr__ == NULL) { \ |
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445 int __ret__ = errno; \ |
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446 LOG(faillevel, "ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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447 __fallback__; \ |
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448 } \ |
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449 } |
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450 |
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451 /* Check parameters at function entry, execute fallback on error */ |
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452 #define CHECK_PARAMS_GEN( faillevel, __bool__, __fallback__ ) { \ |
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453 TRACE_CALL("Check: %s", #__bool__ ); \ |
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454 if ( ! (__bool__) ) { \ |
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455 int __ret__ = EINVAL; \ |
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456 LOG(faillevel, "ERROR: invalid parameter '%s'", #__bool__ ); \ |
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457 __fallback__; \ |
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458 } \ |
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459 } |
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460 |
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461 |
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462 /*============================================================*/ |
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463 /* COMPATIBILITY MACROS, TO BE REMOVED */ |
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464 /*============================================================*/ |
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465 /* Redefine the old macros for transition of the code */ |
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466 #ifndef EXCLUDE_DEPRECATED |
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467 |
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468 #define MARK_DEPRECATED /* __attribute__ ((deprecated)) */ |
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469 |
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470 enum old_levels { |
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471 NONE = 0, |
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472 INFO = 1, |
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473 FULL = 2, |
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474 ANNOYING = 4, |
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475 FCTS = 6, |
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476 CALL = 9 |
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477 } MARK_DEPRECATED; |
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478 |
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479 static __inline__ int old_TRACE_BOOL( enum old_levels level, const char * file, const char * func ) MARK_DEPRECATED |
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480 { |
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481 if ((fd_debug_one_function && !strcmp(fd_debug_one_function, func)) |
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482 || (fd_debug_one_file && !strcmp(fd_debug_one_file, file) )) |
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483 return 2; /* Level override */ |
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484 if (level <= fd_g_debug_lvl) |
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485 return 1; /* Normal level */ |
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486 return 0; /* No trace */ |
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487 } |
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488 #define TRACE_BOOL(level) old_TRACE_BOOL((level), __STRIPPED_FILE__, __PRETTY_FUNCTION__) |
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489 |
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490 #ifndef SWIG |
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491 static __inline__ void fd_log_deprecated( int level, const char *format, ... ) MARK_DEPRECATED |
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492 { |
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493 va_list ap; |
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494 va_start(ap, format); |
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495 fd_log_va(level, format, ap); |
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496 va_end(ap); |
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497 } |
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498 #else /* SWIG */ |
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499 void fd_log_deprecated( int level, const char *format, ... ); |
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500 #endif /* SWIG */ |
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501 static __inline__ void replace_me() MARK_DEPRECATED { } |
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502 |
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503 #define TRACE_BUFFER(...) replace_me(); |
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504 #define TRACE_NOTICE(...) replace_me(); |
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505 |
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506 |
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507 /* Use the LOG_* instead, or use the new *_dump functions when dumping an object */ |
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508 #define fd_log_debug(format,args...) fd_log_deprecated(FD_LOG_DEBUG, format, ## args) |
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509 #define fd_log_notice(format,args...) fd_log_deprecated(FD_LOG_NOTICE, format, ## args) |
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510 #define fd_log_error(format,args...) fd_log_deprecated(FD_LOG_ERROR, format, ## args) |
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511 |
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512 /* old macro for traces. To be replaced by appropriate LOG_* macros. */ |
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513 # define TRACE_DEBUG(oldlevel, format,args... ) { \ |
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514 int __l__; \ |
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515 if ((__l__ = TRACE_BOOL(oldlevel))) { \ |
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516 if (oldlevel <= NONE) { LOG_E(format,##args); } \ |
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517 else if (oldlevel <= INFO) { LOG_N(format,##args); } \ |
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518 else if (__l__ == 2) { LOG_N(format,##args); } \ |
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519 else if (oldlevel <= FULL) { LOG_D(format,##args); } \ |
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520 else { LOG_A(format,##args); } \ |
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521 } } |
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522 |
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523 /* the following macro must be replaced with LOG_E or LOG_F */ |
|
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524 # define TRACE_ERROR LOG_E |
|
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525 |
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526 |
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527 /* The following macros are missing the faillevel information, which indicates at what log level the error case should be displayed. */ |
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528 # define CHECK_SYS_DO( __call__, __fallback__ ) { \ |
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529 CHECK_PRELUDE(__call__); \ |
|
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530 if (__ret__ < 0) { \ |
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531 __ret__ = errno; \ |
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532 TRACE_ERROR("ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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533 __fallback__; \ |
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534 } \ |
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535 } |
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536 |
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537 # define CHECK_SYS( __call__ ) \ |
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538 CHECK_SYS_DO( (__call__), return __ret__ ) |
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539 |
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540 |
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541 # define CHECK_POSIX_DO2( __call__, __speval__, __fallback1__, __fallback2__ ) { \ |
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542 CHECK_PRELUDE(__call__); \ |
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543 if (__ret__ != 0) { \ |
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544 if (__ret__ == (__speval__)) { \ |
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545 __fallback1__; \ |
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546 } else { \ |
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547 TRACE_ERROR("ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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548 __fallback2__; \ |
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549 } \ |
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550 } \ |
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551 } |
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552 |
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553 # define CHECK_POSIX_DO( __call__, __fallback__ ) \ |
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554 CHECK_POSIX_DO2( (__call__), 0, , __fallback__ ) |
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555 |
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556 # define CHECK_POSIX( __call__ ) \ |
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557 CHECK_POSIX_DO( (__call__), return __ret__ ) |
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558 |
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559 # define CHECK_MALLOC_DO( __call__, __fallback__ ) { \ |
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560 void * __ptr__; \ |
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561 TRACE_CALL("Check: %s", #__call__ ); \ |
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562 __ptr__ = (void *)(__call__); \ |
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563 if (__ptr__ == NULL) { \ |
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564 int __ret__ = errno; \ |
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565 TRACE_ERROR("ERROR: in '%s' :\t%s", #__call__ , strerror(__ret__)); \ |
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|
566 __fallback__; \ |
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567 } \ |
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568 } |
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569 |
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570 # define CHECK_MALLOC( __call__ ) \ |
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571 CHECK_MALLOC_DO( (__call__), return __ret__ ) |
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572 |
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573 # define CHECK_PARAMS_DO( __bool__, __fallback__ ) { \ |
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574 TRACE_CALL("Check: %s", #__bool__ ); \ |
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575 if ( ! (__bool__) ) { \ |
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576 int __ret__ = EINVAL; \ |
|
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|
577 TRACE_ERROR("ERROR: Invalid parameter '%s', %d", #__bool__, __ret__ ); \ |
|
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578 __fallback__; \ |
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579 } \ |
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580 } |
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581 |
|
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|
582 # define CHECK_PARAMS( __bool__ ) \ |
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|
583 CHECK_PARAMS_DO( (__bool__), return __ret__ ) |
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584 |
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585 # define CHECK_FCT_DO CHECK_POSIX_DO |
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586 # define CHECK_FCT CHECK_POSIX |
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587 |
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|
588 #endif /* EXCLUDE_DEPRECATED */ |
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|
589 |
|
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|
590 |
|
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|
591 /*============================================================*/ |
|
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|
592 /* Optimized code: remove all debugging code */ |
|
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|
593 /*============================================================*/ |
|
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|
594 #ifdef STRIP_DEBUG_CODE |
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595 #undef LOG_D |
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596 #undef LOG_N |
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|
597 #undef LOG_E |
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|
598 #undef LOG_F |
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|
599 #undef LOG_BUFFER |
|
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|
600 |
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|
601 #define LOG_D(format,args... ) /* noop */ |
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|
602 #define LOG_N(format,args...) fd_log(FD_LOG_NOTICE, format, ## args) |
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603 #define LOG_E(format,args...) fd_log(FD_LOG_ERROR, format, ## args) |
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604 #define LOG_F(format,args...) fd_log(FD_LOG_FATAL, format, ## args) |
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|
605 #define LOG_BUFFER(printlevel, level, prefix, buf, bufsz, suffix ) { \ |
|
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|
606 if (printlevel > FD_LOG_DEBUG) { \ |
|
226
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|
607 int __i; \ |
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|
608 size_t __sz = (size_t)(bufsz); \ |
|
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|
609 uint8_t * __buf = (uint8_t *)(buf); \ |
|
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610 char * __strbuf[1024+1]; \ |
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611 for (__i = 0; (__i < __sz) && (__i<(sizeof(__strbuf)/2); __i++) { \ |
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612 sprintf(__strbuf + (2 * __i), "%02.2hhx", __buf[__i]); \ |
|
226
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613 } \ |
|
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614 fd_log(printlevel, prefix"%s"suffix, __strbuf); \ |
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615 } |
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616 #endif /* STRIP_DEBUG_CODE */ |
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617 |
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|
618 /*============================================================*/ |
|
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|
619 /* OTHER MACROS */ |
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620 /*============================================================*/ |
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621 /* helper macros (pre-processor hacks to allow macro arguments) */ |
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622 #define __tostr( arg ) #arg |
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623 #define _stringize( arg ) __tostr( arg ) |
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Cleaning of the traces in progress
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parents:
1082
diff
changeset
|
624 #define __agr( arg1, arg2 ) arg1 ## arg2 |
|
7d7266115a34
Cleaning of the traces in progress
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1082
diff
changeset
|
625 #define _aggregate( arg1, arg2 ) __agr( arg1, arg2 ) |
|
226
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
626 |
|
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
627 /* Some aliases to socket addresses structures */ |
|
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
628 #define sSS struct sockaddr_storage |
|
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
629 #define sSA struct sockaddr |
|
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
630 #define sSA4 struct sockaddr_in |
|
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
631 #define sSA6 struct sockaddr_in6 |
|
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
632 |
|
246
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
245
diff
changeset
|
633 /* The sockaddr length of a sSS structure */ |
|
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
245
diff
changeset
|
634 #define sSAlen( _sa_ ) \ |
|
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
245
diff
changeset
|
635 ( (socklen_t) ( (((sSA *)_sa_)->sa_family == AF_INET) ? (sizeof(sSA4)) : \ |
|
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
245
diff
changeset
|
636 ((((sSA *)_sa_)->sa_family == AF_INET6) ? (sizeof(sSA6)) : \ |
|
6418a188c1b5
getnameinfo is also more sensitive on freeBSD
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
245
diff
changeset
|
637 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
|
638 #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
|
639 ( (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
|
640 ((((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
|
641 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
|
642 |
|
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
|
643 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
|
644 #define sSA_DUMP_STRLEN (INET6_ADDRSTRLEN + 1 + 32 + 2) |
|
d8591b1c56cd
Implemented a few hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1102
diff
changeset
|
645 void fd_sa_sdump_numeric(char * buf /* must be at least sSA_DUMP_STRLEN */, sSA * sa); |
| 0 | 646 |
| 647 | |
|
20
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
648 /* A l4 protocol name (TCP / SCTP) */ |
|
33
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
649 #ifdef DISABLE_SCTP |
|
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
650 #define IPPROTO_NAME( _proto ) \ |
|
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
651 (((_proto) == IPPROTO_TCP) ? "TCP" : \ |
|
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
652 "Unknown") |
|
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
653 #else /* DISABLE_SCTP */ |
|
20
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
654 #define IPPROTO_NAME( _proto ) \ |
|
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
655 ( ((_proto) == IPPROTO_TCP) ? "TCP" : \ |
|
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
656 (((_proto) == IPPROTO_SCTP) ? "SCTP" : \ |
|
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
657 "Unknown")) |
|
33
e6fcdf12b9a0
Added a lot of TODOs :)
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
29
diff
changeset
|
658 #endif /* DISABLE_SCTP */ |
|
20
277ec00d793e
Backup before typhoon... Progress on server side
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
14
diff
changeset
|
659 |
| 0 | 660 /* Define the value of IP loopback address */ |
| 661 #ifndef INADDR_LOOPBACK | |
| 662 #define INADDR_LOOPBACK inet_addr("127.0.0.1") | |
| 663 #endif /* INADDR_LOOPBACK */ | |
| 664 | |
|
512
16224de837fd
Fix problem reported by ????? ????????? on dev@freediameter.net
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
454
diff
changeset
|
665 #ifndef INADDR_BROADCAST |
|
16224de837fd
Fix problem reported by ????? ????????? on dev@freediameter.net
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
454
diff
changeset
|
666 #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
|
667 #endif /* INADDR_BROADCAST */ |
|
16224de837fd
Fix problem reported by ????? ????????? on dev@freediameter.net
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
454
diff
changeset
|
668 |
|
134
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
669 /* 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
|
670 #ifndef IN_IS_ADDR_LOOPBACK |
|
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
671 #define IN_IS_ADDR_LOOPBACK(a) \ |
|
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
672 ((((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
|
673 #endif /* IN_IS_ADDR_LOOPBACK */ |
|
6b2989c066a6
Fixed loopback test for correct network order
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
131
diff
changeset
|
674 |
|
135
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
675 /* An IP equivalent to IN6_IS_ADDR_UNSPECIFIED */ |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
676 #ifndef IN_IS_ADDR_UNSPECIFIED |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
677 #define IN_IS_ADDR_UNSPECIFIED(a) \ |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
678 (((long int) (a)->s_addr) == 0x00000000) |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
679 #endif /* IN_IS_ADDR_UNSPECIFIED */ |
|
bbb8ddba4c85
Filter out more invalid addresses
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
134
diff
changeset
|
680 |
| 0 | 681 /* create a V4MAPPED address */ |
| 682 #define IN6_ADDR_V4MAP( a6, a4 ) { \ | |
| 683 ((uint32_t *)(a6))[0] = 0; \ | |
| 684 ((uint32_t *)(a6))[1] = 0; \ | |
| 685 ((uint32_t *)(a6))[2] = htonl(0xffff); \ | |
| 686 ((uint32_t *)(a6))[3] = (uint32_t)(a4); \ | |
| 687 } | |
| 688 | |
| 689 /* Retrieve a v4 value from V4MAPPED address ( takes a s6_addr as param) */ | |
| 690 #define IN6_ADDR_V4UNMAP( a6 ) \ | |
| 691 (((in_addr_t *)(a6))[3]) | |
| 692 | |
| 693 | |
| 694 /* 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
|
695 #ifndef HAVE_NTOHLL /* Defined by the cmake step, if the ntohll symbol is defined on the system */ |
| 0 | 696 # if HOST_BIG_ENDIAN |
| 697 /* In big-endian systems, we don't have to change the values, since the order is the same as network */ | |
| 698 # define ntohll(x) (x) | |
| 699 # define htonll(x) (x) | |
| 700 # else /* HOST_BIG_ENDIAN */ | |
| 701 /* For these systems, we must reverse the bytes. Use ntohl and htonl on sub-32 blocs, and inverse these blocs. */ | |
| 702 # define ntohll(x) (typeof (x))( (((uint64_t)ntohl( (uint32_t)(x))) << 32 ) | ((uint64_t) ntohl( ((uint64_t)(x)) >> 32 ))) | |
| 703 # define htonll(x) (typeof (x))( (((uint64_t)htonl( (uint32_t)(x))) << 32 ) | ((uint64_t) htonl( ((uint64_t)(x)) >> 32 ))) | |
| 704 # endif /* HOST_BIG_ENDIAN */ | |
| 705 #endif /* HAVE_NTOHLL */ | |
| 706 | |
|
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
changeset
|
707 /* This macro will give the next multiple of 4 for an integer (used for padding sizes of AVP). */ |
| 0 | 708 #define PAD4(_x) ((_x) + ( (4 - (_x)) & 3 ) ) |
| 709 | |
|
226
406f74f0789b
Few cosmetics changes
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
216
diff
changeset
|
710 /* Useful to display any value as (safe) ASCII (will garbage UTF-8 output...) */ |
| 0 | 711 #define ASCII(_c) ( ((_c < 32) || (_c > 127)) ? ( _c ? '?' : ' ' ) : _c ) |
| 712 | |
| 713 /* Compare timespec structures */ | |
| 714 #define TS_IS_INFERIOR( ts1, ts2 ) \ | |
| 715 ( ((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
|
716 || (((ts1)->tv_sec == (ts2)->tv_sec ) && ((ts1)->tv_nsec < (ts2)->tv_nsec) )) |
| 0 | 717 |
|
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
|
718 /* 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
|
719 #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
|
720 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
|
721 (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
|
722 (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
|
723 } 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
|
724 (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
|
725 (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
|
726 }} |
|
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 |
|
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 |
|
542
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
729 /* 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
|
730 #ifndef BUFSIZ |
|
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
731 #define BUFSIZ 96 |
|
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
732 #endif /* BUFSIZ */ |
|
0b6cee362f5d
Enforce validation of local certificate upon daemon start.
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
512
diff
changeset
|
733 |
|
706
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
734 /* 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
|
735 #define CONSTSTRLEN( str ) (sizeof(str) - 1) |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
736 |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
737 |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
705
diff
changeset
|
738 /*============================================================*/ |
|
836
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
739 /* PORTABILITY */ |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
740 /*============================================================*/ |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
741 #ifndef HAVE_CLOCK_GETTIME |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
742 #define CLOCK_REALTIME 0 |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
743 #include <sys/time.h> |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
744 int clock_gettime(int clk_id, struct timespec* ts); |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
745 #endif /* HAVE_CLOCK_GETTIME */ |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
746 |
|
849
d7f940afd933
New portability function: strndup
Sebastien Decugis <sdecugis@freediameter.net>
parents:
836
diff
changeset
|
747 #ifndef HAVE_STRNDUP |
|
850
12e7fcbc1b21
Fix previous commit
Sebastien Decugis <sdecugis@freediameter.net>
parents:
849
diff
changeset
|
748 char * strndup (char *str, size_t len); |
|
849
d7f940afd933
New portability function: strndup
Sebastien Decugis <sdecugis@freediameter.net>
parents:
836
diff
changeset
|
749 #endif /* HAVE_STRNDUP */ |
|
836
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
750 |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
parents:
810
diff
changeset
|
751 |
|
da97a5aa7976
Add replacement for clock_gettime (for Mac OS) -- ticket #38
Sebastien Decugis <sdecugis@freediameter.net>
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752 /*============================================================*/ |
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753 /* BINARY STRINGS */ |
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754 /*============================================================*/ |
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755 |
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756 /* Compute a hash value of a binary string. |
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757 The hash must remain local to this machine, there is no guarantee that same input |
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758 will give same output on a different system (endianness) */ |
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759 uint32_t fd_os_hash ( uint8_t * string, size_t len ); |
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760 |
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761 /* This type used for binary strings that contain no \0 except as their last character. |
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762 It means some string operations can be used on it. */ |
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763 typedef uint8_t * os0_t; |
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764 |
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765 /* Same as strdup but for os0_t strings */ |
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766 os0_t os0dup_int(os0_t s, size_t l); |
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767 #define os0dup( _s, _l) (void *)os0dup_int((os0_t)(_s), _l) |
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768 |
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769 /* Check that an octet string value can be used as os0_t */ |
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770 static __inline__ int fd_os_is_valid_os0(uint8_t * os, size_t oslen) { |
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771 /* The only situation where it is not valid is when it contains a \0 inside the octet string */ |
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772 return (memchr(os, '\0', oslen) == NULL); |
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773 } |
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774 |
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775 /* The following type denotes a verified DiameterIdentity value (that contains only pure letters, digits, hyphen, dot) */ |
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776 typedef char * DiamId_t; |
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777 |
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778 /* Maximum length of a hostname we accept */ |
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779 #ifndef HOST_NAME_MAX |
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780 #define HOST_NAME_MAX 512 |
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781 #endif /* HOST_NAME_MAX */ |
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782 |
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783 /* Check if a binary string contains a valid Diameter Identity value. |
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784 rfc3588 states explicitely that such a Diameter Identity consists only of ASCII characters. */ |
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785 int fd_os_is_valid_DiameterIdentity(uint8_t * os, size_t ossz); |
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786 |
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787 /* The following function validates a string as a Diameter Identity or applies the IDNA transformation on it |
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788 if *inoutsz is != 0 on entry, *id may not be \0-terminated. |
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789 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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790 */ |
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791 int fd_os_validate_DiameterIdentity(char ** id, size_t * inoutsz, int memory); |
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792 |
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793 /* Create an order relationship for binary strings (not needed to be \0 terminated). |
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794 It does NOT mimic strings relationships so that it is more efficient. It is case sensitive. |
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795 (the strings are actually first ordered by their lengh, then by their bytes contents) |
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796 returns: -1 if os1 < os2; +1 if os1 > os2; 0 if they are equal */ |
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797 int fd_os_cmp_int(os0_t os1, size_t os1sz, os0_t os2, size_t os2sz); |
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798 #define fd_os_cmp(_o1, _l1, _o2, _l2) fd_os_cmp_int((os0_t)(_o1), _l1, (os0_t)(_o2), _l2) |
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799 |
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800 /* A roughly case-insensitive variant, which actually only compares ASCII chars (0-127) in a case-insentitive maneer |
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801 -- it does not support locales where a lowercase letter uses more space than upper case, such as ? -> ss |
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802 It is slower than fd_os_cmp. |
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803 Note that the result is NOT the same as strcasecmp !!! |
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804 |
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805 This function gives the same order as fd_os_cmp, except when it finds 2 strings to be equal. |
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806 However this is not always sufficient: |
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807 for example fd_os_cmp gives: "Ac" < "aB" < "aa" |
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808 if you attempt to fd_os_almostcasesrch "Aa" you will actually have to go past "aB" which is > "Aa". |
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809 Therefore you can use the maybefurther parameter. |
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810 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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811 and 0 if we are sure that it is not the case. |
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812 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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813 */ |
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814 int fd_os_almostcasesrch_int(uint8_t * os1, size_t os1sz, uint8_t * os2, size_t os2sz, int * maybefurther); |
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815 #define fd_os_almostcasesrch(_o1, _l1, _o2, _l2, _mb) fd_os_almostcasesrch_int((os0_t)(_o1), _l1, (os0_t)(_o2), _l2, _mb) |
| 0 | 816 |
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817 /* Analyze a DiameterURI and return its components. |
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818 Return EINVAL if the URI is not valid. |
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819 *diamid is malloc'd on function return and must be freed (it is processed by fd_os_validate_DiameterIdentity). |
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820 *secure is 0 (no security) or 1 (security enabled) on return. |
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821 *port is 0 (default) or a value in host byte order on return. |
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822 *transport is 0 (default) or IPPROTO_* on return. |
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823 *proto is 0 (default) or 'd' (diameter), 'r' (radius), or 't' (tacacs+) on return. |
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824 */ |
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825 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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826 |
| 0 | 827 /*============================================================*/ |
| 828 /* THREADS */ | |
| 829 /*============================================================*/ | |
| 830 | |
| 831 /* Terminate a thread */ | |
| 832 static __inline__ int fd_thr_term(pthread_t * th) | |
| 833 { | |
| 834 void * th_ret = NULL; | |
| 835 | |
| 836 CHECK_PARAMS(th); | |
| 837 | |
| 838 /* Test if it was already terminated */ | |
| 839 if (*th == (pthread_t)NULL) | |
| 840 return 0; | |
| 841 | |
| 842 /* Cancel the thread if it is still running - ignore error if it was already terminated */ | |
| 843 (void) pthread_cancel(*th); | |
| 844 | |
| 845 /* Then join the thread */ | |
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846 CHECK_POSIX( pthread_join(*th, &th_ret) ); |
| 0 | 847 |
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848 if (th_ret == PTHREAD_CANCELED) { |
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849 TRACE_DEBUG(ANNOYING, "The thread %p was canceled", (void *)*th); |
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850 } else { |
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851 TRACE_DEBUG(CALL, "The thread %p returned %p", (void *)*th, th_ret); |
| 0 | 852 } |
| 853 | |
| 854 /* Clean the location */ | |
| 855 *th = (pthread_t)NULL; | |
| 856 | |
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857 return 0; |
| 0 | 858 } |
| 859 | |
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860 |
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861 /************* |
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862 Cancelation cleanup handlers for common objects |
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863 *************/ |
| 0 | 864 static __inline__ void fd_cleanup_mutex( void * mutex ) |
| 865 { | |
| 866 CHECK_POSIX_DO( pthread_mutex_unlock((pthread_mutex_t *)mutex), /* */); | |
| 867 } | |
| 868 | |
| 869 static __inline__ void fd_cleanup_rwlock( void * rwlock ) | |
| 870 { | |
| 871 CHECK_POSIX_DO( pthread_rwlock_unlock((pthread_rwlock_t *)rwlock), /* */); | |
| 872 } | |
| 873 | |
| 874 static __inline__ void fd_cleanup_buffer( void * buffer ) | |
| 875 { | |
| 876 free(buffer); | |
| 877 } | |
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878 static __inline__ void fd_cleanup_socket(void * sockptr) |
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879 { |
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880 if (sockptr && (*(int *)sockptr > 0)) { |
| 179 | 881 CHECK_SYS_DO( close(*(int *)sockptr), /* ignore */ ); |
| 184 | 882 *(int *)sockptr = -1; |
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883 } |
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884 } |
| 0 | 885 |
|
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886 |
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887 /*============================================================*/ |
| 0 | 888 /* LISTS */ |
| 889 /*============================================================*/ | |
| 890 | |
| 891 /* The following structure represents a chained list element */ | |
| 892 struct fd_list { | |
| 893 struct fd_list *next; /* next element in the list */ | |
| 894 struct fd_list *prev; /* previous element in the list */ | |
| 895 struct fd_list *head; /* head of the list */ | |
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896 void *o; /* additional pointer, used for any purpose (ex: start of the parent object) */ |
| 0 | 897 }; |
| 898 | |
| 899 /* Initialize a list element */ | |
|
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900 #define FD_LIST_INITIALIZER( _list_name ) \ |
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901 { .next = & _list_name, .prev = & _list_name, .head = & _list_name, .o = NULL } |
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902 #define FD_LIST_INITIALIZER_O( _list_name, _obj ) \ |
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903 { .next = & _list_name, .prev = & _list_name, .head = & _list_name, .o = _obj } |
|
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904 void fd_list_init ( struct fd_list * list, void * obj ); |
| 0 | 905 |
| 906 /* Return boolean, true if the list is empty */ | |
|
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907 #define FD_IS_LIST_EMPTY( _list ) ((((struct fd_list *)(_list))->head == (_list)) && (((struct fd_list *)(_list))->next == (_list))) |
| 0 | 908 |
| 909 /* Insert an item in a list at known position */ | |
| 910 void fd_list_insert_after ( struct fd_list * ref, struct fd_list * item ); | |
| 911 void fd_list_insert_before ( struct fd_list * ref, struct fd_list * item ); | |
| 912 | |
|
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913 /* Move all elements from a list at the end of another */ |
|
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914 void fd_list_move_end(struct fd_list * ref, struct fd_list * senti); |
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915 |
|
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916 /* 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 | 917 int fd_list_insert_ordered( struct fd_list * head, struct fd_list * item, int (*cmp_fct)(void *, void *), void ** ref_duplicate); |
| 918 | |
| 919 /* Unlink an item from a list */ | |
| 920 void fd_list_unlink ( struct fd_list * item ); | |
| 921 | |
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922 |
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923 |
| 0 | 924 |
| 925 /*============================================================*/ | |
| 926 /* DICTIONARY */ | |
| 927 /*============================================================*/ | |
|
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928 |
| 0 | 929 /* Structure that contains the complete dictionary definitions */ |
| 930 struct dictionary; | |
| 931 | |
| 932 /* Structure that contains a dictionary object */ | |
| 933 struct dict_object; | |
| 934 | |
| 935 /* Types of object in the dictionary. */ | |
| 936 enum dict_object_type { | |
| 937 DICT_VENDOR = 1, /* Vendor */ | |
| 938 DICT_APPLICATION, /* Diameter Application */ | |
| 939 DICT_TYPE, /* AVP data type */ | |
| 940 DICT_ENUMVAL, /* Named constant (value of an enumerated AVP type) */ | |
| 941 DICT_AVP, /* AVP */ | |
| 942 DICT_COMMAND, /* Diameter Command */ | |
| 943 DICT_RULE /* a Rule for AVP in command or grouped AVP */ | |
| 944 #define DICT_TYPE_MAX DICT_RULE | |
| 945 }; | |
| 946 | |
| 947 /* Initialize a dictionary */ | |
| 948 int fd_dict_init(struct dictionary ** dict); | |
| 949 /* Destroy a dictionary */ | |
| 950 int fd_dict_fini(struct dictionary ** dict); | |
| 951 | |
| 952 /* | |
| 953 * FUNCTION: fd_dict_new | |
| 954 * | |
| 955 * PARAMETERS: | |
| 956 * dict : Pointer to the dictionnary where the object is created | |
| 957 * type : What kind of object must be created | |
| 958 * data : pointer to the data for the object. | |
| 972 | 959 * type parameter is used to determine the type of data (see below for detail). |
| 0 | 960 * parent : a reference to a parent object, if needed. |
| 961 * ref : upon successful creation, reference to new object is stored here if !null. | |
| 962 * | |
| 963 * DESCRIPTION: | |
| 964 * Create a new object in the dictionary. | |
| 965 * See following object sections in this header file for more information on data and parent parameters format. | |
| 966 * | |
| 967 * RETURN VALUE: | |
| 968 * 0 : The object is created in the dictionary. | |
| 969 * EINVAL : A parameter is invalid. | |
| 970 * EEXIST : This object is already defined in the dictionary (with conflicting data). | |
| 971 * If "ref" is not NULL, it points to the existing element on return. | |
| 972 * (other standard errors may be returned, too, with their standard meaning. Example: | |
| 973 * ENOMEM : Memory allocation for the new object element failed.) | |
| 974 */ | |
|
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975 int fd_dict_new ( struct dictionary * dict, enum dict_object_type type, void * data, struct dict_object * parent, struct dict_object ** ref ); |
| 0 | 976 |
| 977 /* | |
| 978 * FUNCTION: fd_dict_search | |
| 979 * | |
| 980 * PARAMETERS: | |
| 981 * dict : Pointer to the dictionnary where the object is searched | |
| 982 * type : type of object that is being searched | |
| 972 | 983 * criteria : how the object must be searched. See object-related sections below for more information. |
| 0 | 984 * what : depending on criteria, the data that must be searched. |
| 985 * result : On successful return, pointer to the object is stored here. | |
| 986 * retval : this value is returned if the object is not found and result is not NULL. | |
| 987 * | |
| 988 * DESCRIPTION: | |
| 989 * Perform a search in the dictionary. | |
| 972 | 990 * See the object-specific sections below to find how to look for each objects. |
| 0 | 991 * If the "result" parameter is NULL, the function is used to check if an object is in the dictionary. |
| 992 * Otherwise, a reference to the object is stored in result if found. | |
| 993 * If result is not NULL and the object is not found, retval is returned (should be 0 or ENOENT usually) | |
| 994 * | |
| 995 * RETURN VALUE: | |
| 996 * 0 : The object has been found in the dictionary, or *result is NULL. | |
| 997 * EINVAL : A parameter is invalid. | |
| 998 * ENOENT : No matching object has been found, and result was NULL. | |
| 999 */ | |
|
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1000 int fd_dict_search ( struct dictionary * dict, enum dict_object_type type, int criteria, const void * what, struct dict_object ** result, int retval ); |
| 0 | 1001 |
| 1002 /* Special case: get the generic error command object */ | |
|
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1003 int fd_dict_get_error_cmd(struct dictionary * dict, struct dict_object ** obj); |
| 0 | 1004 |
| 1005 /* | |
| 1006 * FUNCTION: fd_dict_getval | |
| 1007 * | |
| 1008 * PARAMETERS: | |
| 1009 * object : Pointer to a dictionary object. | |
| 1010 * data : pointer to a structure to hold the data for the object. | |
| 1011 * The type is the same as "data" parameter in fd_dict_new function. | |
| 1012 * | |
| 1013 * DESCRIPTION: | |
| 1014 * Retrieve content of a dictionary object. | |
| 1015 * See following object sections in this header file for more information on data and parent parameters format. | |
| 1016 * | |
| 1017 * RETURN VALUE: | |
| 1018 * 0 : The content of the object has been retrieved. | |
| 1019 * EINVAL : A parameter is invalid. | |
| 1020 */ | |
|
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1021 int fd_dict_getval ( struct dict_object * object, void * val); |
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1022 int fd_dict_gettype ( struct dict_object * object, enum dict_object_type * type); |
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1023 int fd_dict_getdict ( struct dict_object * object, struct dictionary ** dict); |
| 0 | 1024 |
| 1025 /* Debug functions */ | |
|
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1026 DECLARE_FD_DUMP_PROTOTYPE(fd_dict_dump_object, struct dict_object * obj); |
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1027 DECLARE_FD_DUMP_PROTOTYPE(fd_dict_dump, struct dictionary * dict); |
| 0 | 1028 |
|
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1029 /* Function to access full contents of the dictionary, see doc in dictionary.c */ |
|
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1030 int fd_dict_getlistof(int criteria, void * parent, struct fd_list ** sentinel); |
|
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1031 |
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1032 /* Function to remove an entry from the dictionary. |
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1033 This cannot be used if the object has children (for example a vendor with vendor-specific AVPs). |
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1034 In such case, the children must be removed first. */ |
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1035 int fd_dict_delete(struct dict_object * obj); |
|
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1036 |
| 0 | 1037 /* |
| 1038 *************************************************************************** | |
| 1039 * | |
| 1040 * Vendor object | |
| 1041 * | |
| 1042 * These types are used to manage vendors in the dictionary | |
| 1043 * | |
| 1044 *************************************************************************** | |
| 1045 */ | |
| 1046 | |
| 1047 /* Type to hold a Vendor ID: "SMI Network Management Private Enterprise Codes" (RFC3232) */ | |
| 1048 typedef uint32_t vendor_id_t; | |
| 1049 | |
| 1050 /* Type to hold data associated to a vendor */ | |
| 1051 struct dict_vendor_data { | |
| 1052 vendor_id_t vendor_id; /* ID of a vendor */ | |
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1053 char * vendor_name; /* The name of this vendor */ |
| 0 | 1054 }; |
| 1055 | |
| 1056 /* The criteria for searching a vendor object in the dictionary */ | |
| 1057 enum { | |
| 1058 VENDOR_BY_ID = 10, /* "what" points to a vendor_id_t */ | |
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1059 VENDOR_BY_NAME, /* "what" points to a char * */ |
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1060 VENDOR_OF_APPLICATION, /* "what" points to a struct dict_object containing an application (see below) */ |
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1061 VENDOR_OF_AVP, /* "what" points to a struct dict_object containing an avp (see below) */ |
| 0 | 1062 }; |
| 1063 | |
| 1064 /*** | |
| 1065 * API usage : | |
| 1066 | |
| 1067 Note: the value of "vendor_name" is copied when the object is created, and the string may be disposed afterwards. | |
| 1068 On the other side, when value is retrieved with dict_getval, the string is not copied and MUST NOT be freed. It will | |
| 1069 be freed automatically along with the object itself with call to dict_fini later. | |
| 1070 | |
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1071 - fd_dict_new: |
| 0 | 1072 The "parent" parameter is not used for vendors. |
| 1073 Sample code to create a vendor: | |
| 1074 { | |
| 1075 int ret; | |
| 1076 struct dict_object * myvendor; | |
| 1077 struct dict_vendor_data myvendordata = { 23455, "my vendor name" }; -- just an example... | |
|
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1078 ret = fd_dict_new ( dict, DICT_VENDOR, &myvendordata, NULL, &myvendor ); |
| 0 | 1079 } |
| 1080 | |
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1081 - fd_dict_search: |
| 0 | 1082 Sample codes to look for a vendor object, by its id or name: |
| 1083 { | |
| 1084 int ret; | |
| 1085 struct dict_object * vendor_found; | |
| 1086 vendor_id_t vendorid = 23455; | |
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1087 ret = fd_dict_search ( dict, DICT_VENDOR, VENDOR_BY_ID, &vendorid, &vendor_found, ENOENT); |
| 0 | 1088 - or - |
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1089 ret = fd_dict_search ( dict, DICT_VENDOR, VENDOR_BY_NAME, "my vendor name", &vendor_found, ENOENT); |
| 0 | 1090 } |
| 1091 | |
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1092 - fd_dict_getval: |
| 0 | 1093 Sample code to retrieve the data from a vendor object: |
| 1094 { | |
| 1095 int ret; | |
| 1096 struct dict_object * myvendor; | |
| 1097 struct dict_vendor_data myvendordata; | |
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1098 ret = fd_dict_search ( dict, DICT_VENDOR, VENDOR_BY_NAME, "my vendor name", &myvendor, ENOENT); |
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1099 ret = fd_dict_getval ( myvendor, &myvendordata ); |
| 0 | 1100 printf("my vendor id: %d\n", myvendordata.vendor_id ); |
| 1101 } | |
| 1102 | |
| 1103 */ | |
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1104 |
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1105 /* Special function: */ |
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1106 uint32_t * fd_dict_get_vendorid_list(struct dictionary * dict); |
| 0 | 1107 |
| 1108 /* | |
| 1109 *************************************************************************** | |
| 1110 * | |
| 1111 * Application object | |
| 1112 * | |
| 1113 * These types are used to manage Diameter applications in the dictionary | |
| 1114 * | |
| 1115 *************************************************************************** | |
| 1116 */ | |
| 1117 | |
| 1118 /* Type to hold a Diameter application ID: IANA assigned value for this application. */ | |
| 1119 typedef uint32_t application_id_t; | |
| 1120 | |
| 1121 /* Type to hold data associated to an application */ | |
| 1122 struct dict_application_data { | |
| 1123 application_id_t application_id; /* ID of the application */ | |
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1124 char * application_name; /* The name of this application */ |
| 0 | 1125 }; |
| 1126 | |
| 1127 /* The criteria for searching an application object in the dictionary */ | |
| 1128 enum { | |
| 1129 APPLICATION_BY_ID = 20, /* "what" points to a application_id_t */ | |
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1130 APPLICATION_BY_NAME, /* "what" points to a char * */ |
| 972 | 1131 APPLICATION_OF_TYPE, /* "what" points to a struct dict_object containing a type object (see below) */ |
| 1132 APPLICATION_OF_COMMAND /* "what" points to a struct dict_object containing a command (see below) */ | |
| 0 | 1133 }; |
| 1134 | |
| 1135 /*** | |
| 1136 * API usage : | |
| 1137 | |
| 1138 The "parent" parameter of dict_new may point to a vendor object to inform of what vendor defines the application. | |
| 1139 for standard-track applications, the "parent" parameter should be NULL. | |
| 1140 The vendor associated to an application is retrieved with VENDOR_OF_APPLICATION search criteria on vendors. | |
| 1141 | |
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1142 - fd_dict_new: |
| 0 | 1143 Sample code for application creation: |
| 1144 { | |
| 1145 int ret; | |
| 1146 struct dict_object * vendor; | |
| 1147 struct dict_object * appl; | |
| 1148 struct dict_vendor_data vendor_data = { | |
| 1149 23455, | |
| 1150 "my vendor name" | |
| 1151 }; | |
| 1152 struct dict_application_data app_data = { | |
| 1153 9789, | |
| 1154 "my vendor's application" | |
| 1155 }; | |
| 1156 | |
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1157 ret = fd_dict_new ( dict, DICT_VENDOR, &vendor_data, NULL, &vendor ); |
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1158 ret = fd_dict_new ( dict, DICT_APPLICATION, &app_data, vendor, &appl ); |
| 0 | 1159 } |
| 1160 | |
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1161 - fd_dict_search: |
| 0 | 1162 Sample code to retrieve the vendor of an application |
| 1163 { | |
| 1164 int ret; | |
| 1165 struct dict_object * vendor, * appli; | |
| 1166 | |
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1167 ret = fd_dict_search ( dict, DICT_APPLICATION, APPLICATION_BY_NAME, "my vendor's application", &appli, ENOENT); |
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1168 ret = fd_dict_search ( dict, DICT_VENDOR, VENDOR_OF_APPLICATION, appli, &vendor, ENOENT); |
| 0 | 1169 } |
| 1170 | |
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1171 - fd_dict_getval: |
| 0 | 1172 Sample code to retrieve the data from an application object: |
| 1173 { | |
| 1174 int ret; | |
| 1175 struct dict_object * appli; | |
| 1176 struct dict_application_data appl_data; | |
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1177 ret = fd_dict_search ( dict, DICT_APPLICATION, APPLICATION_BY_NAME, "my vendor's application", &appli, ENOENT); |
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1178 ret = fd_dict_getval ( appli, &appl_data ); |
| 0 | 1179 printf("my application id: %s\n", appl_data.application_id ); |
| 1180 } | |
| 1181 | |
| 1182 */ | |
| 1183 | |
| 1184 /* | |
| 1185 *************************************************************************** | |
| 1186 * | |
| 1187 * Type object | |
| 1188 * | |
| 1189 * These types are used to manage AVP data types in the dictionary | |
| 1190 * | |
| 1191 *************************************************************************** | |
| 1192 */ | |
| 1193 | |
| 1194 /* Type to store any AVP value */ | |
| 1195 union avp_value { | |
| 1196 struct { | |
| 1197 uint8_t *data; /* bytes buffer */ | |
| 1198 size_t len; /* length of the data buffer */ | |
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1199 } os; /* Storage for an octet string */ |
| 0 | 1200 int32_t i32; /* integer 32 */ |
| 1201 int64_t i64; /* integer 64 */ | |
| 1202 uint32_t u32; /* unsigned 32 */ | |
| 1203 uint64_t u64; /* unsigned 64 */ | |
| 1204 float f32; /* float 32 */ | |
| 1205 double f64; /* float 64 */ | |
| 1206 }; | |
| 1207 | |
| 1208 /* These are the basic AVP types defined in RFC3588bis */ | |
| 1209 enum dict_avp_basetype { | |
| 1210 AVP_TYPE_GROUPED, | |
| 1211 AVP_TYPE_OCTETSTRING, | |
| 1212 AVP_TYPE_INTEGER32, | |
| 1213 AVP_TYPE_INTEGER64, | |
| 1214 AVP_TYPE_UNSIGNED32, | |
| 1215 AVP_TYPE_UNSIGNED64, | |
| 1216 AVP_TYPE_FLOAT32, | |
| 1217 AVP_TYPE_FLOAT64 | |
| 1218 #define AVP_TYPE_MAX AVP_TYPE_FLOAT64 | |
| 1219 }; | |
| 1220 | |
| 1221 /* Callbacks that can be associated with a derived type to easily interpret the AVP value. */ | |
| 1222 /* | |
| 1223 * CALLBACK: dict_avpdata_interpret | |
| 1224 * | |
| 1225 * PARAMETERS: | |
| 1226 * val : Pointer to the AVP value that must be interpreted. | |
| 1227 * interpreted : The result of interpretation is stored here. The format and meaning depends on each type. | |
| 1228 * | |
| 1229 * DESCRIPTION: | |
| 1230 * This callback can be provided with a derived type in order to facilitate the interpretation of formated data. | |
| 1231 * For example, when an AVP of type "Address" is received, it can be used to convert the octetstring into a struct sockaddr. | |
| 1232 * This callback is not called directly, but through the message's API msg_avp_value_interpret function. | |
| 1233 * | |
| 1234 * RETURN VALUE: | |
| 1235 * 0 : Operation complete. | |
| 1236 * !0 : An error occurred, the error code is returned. | |
| 1237 */ | |
| 1238 typedef int (*dict_avpdata_interpret) (union avp_value * value, void * interpreted); | |
| 1239 /* | |
| 1240 * CALLBACK: dict_avpdata_encode | |
| 1241 * | |
| 1242 * PARAMETERS: | |
| 1243 * data : The formated data that must be stored in the AVP value. | |
| 1244 * val : Pointer to the AVP value storage area where the data must be stored. | |
| 1245 * | |
| 1246 * DESCRIPTION: | |
| 1247 * This callback can be provided with a derived type in order to facilitate the encoding of formated data. | |
| 1248 * For example, it can be used to convert a struct sockaddr in an AVP value of type Address. | |
| 1249 * This callback is not called directly, but through the message's API msg_avp_value_encode function. | |
| 1250 * If the callback is defined for an OctetString based type, the created string must be malloc'd. free will be called | |
| 1251 * automatically later. | |
| 1252 * | |
| 1253 * RETURN VALUE: | |
| 1254 * 0 : Operation complete. | |
| 1255 * !0 : An error occurred, the error code is returned. | |
| 1256 */ | |
| 1257 typedef int (*dict_avpdata_encode) (void * data, union avp_value * val); | |
| 1258 | |
| 1259 | |
| 1260 /* Type to hold data associated to a derived AVP data type */ | |
| 1261 struct dict_type_data { | |
| 1262 enum dict_avp_basetype type_base; /* How the data of such AVP must be interpreted */ | |
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1263 char * type_name; /* The name of this type */ |
| 0 | 1264 dict_avpdata_interpret type_interpret;/* cb to convert the AVP value in more comprehensive format (or NULL) */ |
| 1265 dict_avpdata_encode type_encode; /* cb to convert formatted data into an AVP value (or NULL) */ | |
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1266 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. */ |
| 0 | 1267 }; |
| 1268 | |
| 1269 /* The criteria for searching a type object in the dictionary */ | |
| 1270 enum { | |
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1271 TYPE_BY_NAME = 30, /* "what" points to a char * */ |
| 972 | 1272 TYPE_OF_ENUMVAL, /* "what" points to a struct dict_object containing an enumerated constant (DICT_ENUMVAL, see below). */ |
| 0 | 1273 TYPE_OF_AVP /* "what" points to a struct dict_object containing an AVP object. */ |
| 1274 }; | |
| 1275 | |
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1276 /**** |
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1277 Callbacks defined in libfdproto/dictionary_functions.c file -- see that file for usage. |
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1278 */ |
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1279 |
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1280 /* Convert an Address type AVP into a struct sockaddr_storage */ |
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1281 int fd_dictfct_Address_encode(void * data, union avp_value * avp_value); |
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1282 int fd_dictfct_Address_interpret(union avp_value * avp_value, void * interpreted); |
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1283 DECLARE_FD_DUMP_PROTOTYPE(fd_dictfct_Address_dump, union avp_value * avp_value); |
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1284 |
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1285 /* Display the content of an AVP of type UTF8String in the log file */ |
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1286 DECLARE_FD_DUMP_PROTOTYPE(fd_dictfct_UTF8String_dump, union avp_value * avp_value); |
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1287 |
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1288 /* For Time AVPs, map with time_t value directly */ |
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1289 int fd_dictfct_Time_encode(void * data, union avp_value * avp_value); |
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1290 int fd_dictfct_Time_interpret(union avp_value * avp_value, void * interpreted); |
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1291 DECLARE_FD_DUMP_PROTOTYPE(fd_dictfct_Time_dump, union avp_value * avp_value); |
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1292 |
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1293 |
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1294 |
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1295 /****/ |
| 0 | 1296 |
| 1297 /*** | |
| 1298 * API usage : | |
| 1299 | |
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1300 - fd_dict_new: |
| 0 | 1301 The "parent" parameter may point to an application object, when a type is defined by a Diameter application. |
| 1302 | |
| 1303 Sample code: | |
| 1304 { | |
| 1305 int ret; | |
| 1306 struct dict_object * mytype; | |
| 1307 struct dict_type_data mytypedata = | |
| 1308 { | |
| 1309 AVP_TYPE_OCTETSTRING, | |
| 1310 "Address", | |
| 1311 NULL, | |
| 1312 NULL | |
| 1313 }; | |
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1314 ret = fd_dict_new ( dict, DICT_TYPE, &mytypedata, NULL, &mytype ); |
| 0 | 1315 } |
| 1316 | |
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1317 - fd_dict_search: |
| 0 | 1318 Sample code: |
| 1319 { | |
| 1320 int ret; | |
| 1321 struct dict_object * address_type; | |
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1322 ret = fd_dict_search ( dict, DICT_TYPE, TYPE_BY_NAME, "Address", &address_type, ENOENT); |
| 0 | 1323 } |
| 1324 | |
| 1325 */ | |
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1326 |
| 0 | 1327 /* |
| 1328 *************************************************************************** | |
| 1329 * | |
| 1330 * Enumerated values object | |
| 1331 * | |
| 1332 * These types are used to manage named constants of some AVP, | |
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1333 * for enumerated types. freeDiameter allows constants for types others than Unsigned32 |
| 0 | 1334 * |
| 1335 *************************************************************************** | |
| 1336 */ | |
| 1337 | |
| 1338 /* Type to hold data of named constants for AVP */ | |
| 1339 struct dict_enumval_data { | |
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1340 char * enum_name; /* The name of this constant */ |
| 0 | 1341 union avp_value enum_value; /* Value of the constant. Union term depends on parent type's base type. */ |
| 1342 }; | |
| 1343 | |
| 1344 /* The criteria for searching a constant in the dictionary */ | |
| 1345 enum { | |
| 972 | 1346 ENUMVAL_BY_STRUCT = 40, /* "what" points to a struct dict_enumval_request as defined below */ |
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1347 ENUMVAL_BY_NAME, /* This cannot be used for researches */ |
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1348 ENUMVAL_BY_VALUE /* This cannot be used for researches */ |
| 0 | 1349 }; |
| 1350 | |
| 1351 struct dict_enumval_request { | |
| 1352 /* Identifier of the parent type, one of the following must not be NULL */ | |
| 1353 struct dict_object *type_obj; | |
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1354 char * type_name; |
| 0 | 1355 |
| 1356 /* Search criteria for the constant */ | |
| 1357 struct dict_enumval_data search; /* search.enum_value is used only if search.enum_name == NULL */ | |
| 1358 }; | |
| 1359 | |
| 1360 /*** | |
| 1361 * API usage : | |
| 1362 | |
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1363 - fd_dict_new: |
| 0 | 1364 The "parent" parameter must point to a derived type object. |
| 1365 Sample code to create a type "Boolean" with two constants "True" and "False": | |
| 1366 { | |
| 1367 int ret; | |
| 1368 struct dict_object * type_boolean; | |
| 1369 struct dict_type_data type_boolean_data = | |
| 1370 { | |
| 1371 AVP_TYPE_INTEGER32, | |
| 1372 "Boolean", | |
| 1373 NULL, | |
| 1374 NULL | |
| 1375 }; | |
| 1376 struct dict_enumval_data boolean_false = | |
| 1377 { | |
| 1378 .enum_name="False", | |
| 1379 .enum_value.i32 = 0 | |
| 1380 }; | |
| 1381 struct dict_enumval_data boolean_true = | |
| 1382 { | |
| 1383 .enum_name="True", | |
| 1384 .enum_value.i32 = -1 | |
| 1385 }; | |
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1386 ret = fd_dict_new ( dict, DICT_TYPE, &type_boolean_data, NULL, &type_boolean ); |
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1387 ret = fd_dict_new ( dict, DICT_ENUMVAL, &boolean_false, type_boolean, NULL ); |
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1388 ret = fd_dict_new ( dict, DICT_ENUMVAL, &boolean_true , type_boolean, NULL ); |
| 0 | 1389 |
| 1390 } | |
| 1391 | |
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1392 - fd_dict_search: |
| 0 | 1393 Sample code to look for a constant name, by its value: |
| 1394 { | |
| 1395 int ret; | |
| 1396 struct dict_object * value_found; | |
| 1397 struct dict_enumval_request boolean_by_value = | |
| 1398 { | |
| 1399 .type_name = "Boolean", | |
| 1400 .search.enum_name=NULL, | |
| 1401 .search.enum_value.i32 = -1 | |
| 1402 }; | |
| 1403 | |
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1404 ret = fd_dict_search ( dict, DICT_ENUMVAL, ENUMVAL_BY_STRUCT, &boolean_by_value, &value_found, ENOENT); |
| 0 | 1405 } |
| 1406 | |
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1407 - fd_dict_getval: |
| 0 | 1408 Sample code to retrieve the data from a constant object: |
| 1409 { | |
| 1410 int ret; | |
| 1411 struct dict_object * value_found; | |
| 1412 struct dict_enumval_data boolean_data = NULL; | |
| 1413 struct dict_enumval_request boolean_by_value = | |
| 1414 { | |
| 1415 .type_name = "Boolean", | |
| 1416 .search.enum_name=NULL, | |
| 1417 .search.enum_value.i32 = 0 | |
| 1418 }; | |
| 1419 | |
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1420 ret = fd_dict_search ( dict, DICT_ENUMVAL, ENUMVAL_BY_STRUCT, &boolean_by_value, &value_found, ENOENT); |
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1421 ret = fd_dict_getval ( value_found, &boolean_data ); |
| 0 | 1422 printf(" Boolean with value 0: %s", boolean_data.enum_name ); |
| 1423 } | |
| 1424 */ | |
| 1425 | |
| 1426 /* | |
| 1427 *************************************************************************** | |
| 1428 * | |
| 1429 * AVP object | |
| 1430 * | |
| 1431 * These objects are used to manage AVP definitions in the dictionary | |
| 1432 * | |
| 1433 *************************************************************************** | |
| 1434 */ | |
| 1435 | |
| 1436 /* Type to hold an AVP code. For vendor 0, these codes are assigned by IANA. Otherwise, it is managed by the vendor */ | |
| 1437 typedef uint32_t avp_code_t; | |
| 1438 | |
| 1439 /* Values of AVP flags */ | |
| 1440 #define AVP_FLAG_VENDOR 0x80 | |
| 1441 #define AVP_FLAG_MANDATORY 0x40 | |
| 1442 #define AVP_FLAG_RESERVED3 0x20 | |
| 1443 #define AVP_FLAG_RESERVED4 0x10 | |
| 1444 #define AVP_FLAG_RESERVED5 0x08 | |
| 1445 #define AVP_FLAG_RESERVED6 0x04 | |
| 1446 #define AVP_FLAG_RESERVED7 0x02 | |
| 1447 #define AVP_FLAG_RESERVED8 0x01 | |
| 1448 | |
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1449 /* For dumping flags and values */ |
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1450 #define DUMP_AVPFL_str "%c%c%s%s%s%s%s%s" |
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1451 #define DUMP_AVPFL_val(_val) (_val & AVP_FLAG_VENDOR)?'V':'-' , (_val & AVP_FLAG_MANDATORY)?'M':'-', \ |
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1452 (_val & AVP_FLAG_RESERVED3)?"3":"", (_val & AVP_FLAG_RESERVED4)?"4":"", \ |
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1453 (_val & AVP_FLAG_RESERVED5)?"5":"", (_val & AVP_FLAG_RESERVED6)?"6":"", (_val & AVP_FLAG_RESERVED7)?"7":"", (_val & AVP_FLAG_RESERVED8)?"8":"" |
| 0 | 1454 |
| 1455 /* Type to hold data associated to an avp */ | |
| 1456 struct dict_avp_data { | |
| 1457 avp_code_t avp_code; /* Code of the avp */ | |
| 1458 vendor_id_t avp_vendor; /* Vendor of the AVP, or 0 */ | |
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1459 char * avp_name; /* Name of this AVP */ |
| 0 | 1460 uint8_t avp_flag_mask; /* Mask of fixed AVP flags */ |
| 1461 uint8_t avp_flag_val; /* Values of the fixed flags */ | |
| 1462 enum dict_avp_basetype avp_basetype; /* Basic type of data found in the AVP */ | |
| 1463 }; | |
| 1464 | |
| 1465 /* The criteria for searching an avp object in the dictionary */ | |
| 1466 enum { | |
| 1467 AVP_BY_CODE = 50, /* "what" points to an avp_code_t, vendor is always 0 */ | |
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1468 AVP_BY_NAME, /* "what" points to a char *, vendor is always 0 */ |
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1469 AVP_BY_NAME_ALL_VENDORS,/* "what" points to a string. Might be quite slow... */ |
| 972 | 1470 AVP_BY_STRUCT, /* "what" points to a struct dict_avp_request_ex (see below) */ |
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1471 |
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1472 /* kept for backward compatibility, better use AVP_BY_STRUCT above instead */ |
| 972 | 1473 AVP_BY_CODE_AND_VENDOR, /* "what" points to a struct dict_avp_request (see below), where avp_vendor and avp_code are set */ |
| 1474 AVP_BY_NAME_AND_VENDOR /* "what" points to a struct dict_avp_request (see below), where avp_vendor and avp_name are set */ | |
| 0 | 1475 }; |
| 1476 | |
| 1477 /* Struct used for some researchs */ | |
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1478 struct dict_avp_request_ex { |
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1479 struct { |
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1480 /* Only one of the following fields must be set. */ |
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1481 struct dict_object * vendor; /* most efficient if already known, set to NULL to ignore */ |
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1482 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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1483 const char * vendor_name; /* set to NULL to ignore */ |
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1484 } avp_vendor; |
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1485 |
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1486 struct { |
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1487 /* Only one of the following fields must be set */ |
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1488 avp_code_t avp_code; /* set to 0 to ignore */ |
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1489 const char * avp_name; /* set to NULL to ignore */ |
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1490 } avp_data; |
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1491 }; |
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1492 |
| 0 | 1493 struct dict_avp_request { |
| 1494 vendor_id_t avp_vendor; | |
| 1495 avp_code_t avp_code; | |
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1496 char * avp_name; |
| 0 | 1497 }; |
| 1498 | |
| 1499 | |
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1500 |
| 0 | 1501 /*** |
| 1502 * API usage : | |
| 1503 | |
| 1504 If "parent" parameter is not NULL during AVP creation, it must point to a DICT_TYPE object. | |
| 1505 The extended type is then attached to the AVP. In case where it is an enumerated type, the value of | |
| 1506 AVP is automatically interpreted in debug messages, and in message checks. | |
| 1507 The derived type of an AVP can be retrieved with: dict_search ( DICT_TYPE, TYPE_OF_AVP, avp, ... ) | |
| 1508 | |
| 1509 To create the rules (ABNF) for children of Grouped AVP, see the DICT_RULE related part. | |
| 1510 | |
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1511 - fd_dict_new: |
| 0 | 1512 Sample code for AVP creation: |
| 1513 { | |
| 1514 int ret; | |
| 1515 struct dict_object * user_name_avp; | |
| 1516 struct dict_object * boolean_type; | |
| 1517 struct dict_object * sample_boolean_avp; | |
| 1518 struct dict_avp_data user_name_data = { | |
| 1519 1, // code | |
| 1520 0, // vendor | |
| 1521 "User-Name", // name | |
| 1522 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 | |
| 1523 AVP_FLAG_MANDATORY, // the V flag must be cleared, the M flag must be set. | |
| 1524 AVP_TYPE_OCTETSTRING // User-Name AVP contains OctetString data (further precision such as UTF8String can be given with a parent derived type) | |
| 1525 }; | |
| 1526 struct dict_avp_data sample_boolean_data = { | |
| 1527 31337, | |
| 1528 23455, | |
| 1529 "Sample-Boolean", | |
| 1530 AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, | |
| 1531 AVP_FLAG_VENDOR, | |
| 1532 AVP_TYPE_INTEGER32 // This MUST be the same as parent type's | |
| 1533 }; | |
| 1534 | |
| 1535 -- Create an AVP with a base type -- | |
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1536 ret = fd_dict_new ( dict, DICT_AVP, &user_name_data, NULL, &user_name_avp ); |
| 0 | 1537 |
| 1538 -- Create an AVP with a derived type -- | |
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1539 ret = fd_dict_search ( dict, DICT_TYPE, TYPE_BY_NAME, "Boolean", &boolean_type, ENOENT); |
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1540 ret = fd_dict_new ( dict, DICT_AVP, &sample_boolean_data , boolean_type, &sample_boolean_avp ); |
| 0 | 1541 |
| 1542 } | |
| 1543 | |
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1544 - fd_dict_search: |
| 0 | 1545 Sample code to look for an AVP |
| 1546 { | |
| 1547 int ret; | |
| 1548 struct dict_object * avp_username; | |
| 1549 struct dict_object * avp_sampleboolean; | |
| 1550 struct dict_avp_request avpvendorboolean = | |
| 1551 { | |
| 1552 .avp_vendor = 23455, | |
| 1553 .avp_name = "Sample-Boolean" | |
| 1554 }; | |
| 1555 | |
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1556 ret = fd_dict_search ( dict, DICT_AVP, AVP_BY_NAME, "User-Name", &avp_username, ENOENT); |
| 0 | 1557 |
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1558 ret = fd_dict_search ( dict, DICT_AVP, AVP_BY_NAME_AND_VENDOR, &avpvendorboolean, &avp_sampleboolean, ENOENT); |
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1559 |
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1560 -- this would also work, but be slower, because it has to search all vendor dictionaries -- |
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1561 ret = fd_dict_search ( dict, DICT_AVP, AVP_BY_NAME_ALL_VENDORS, "Sample-Boolean", &avp_sampleboolean, ENOENT); |
| 0 | 1562 |
| 1563 } | |
| 1564 | |
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1565 - fd_dict_getval: |
| 0 | 1566 Sample code to retrieve the data from an AVP object: |
| 1567 { | |
| 1568 int ret; | |
| 1569 struct dict_object * avp_username; | |
| 1570 struct dict_avp_data user_name_data; | |
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1571 ret = fd_dict_search ( dict, DICT_AVP, AVP_BY_NAME, "User-Name", &avp_username, ENOENT); |
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1572 ret = fd_dict_getval ( avp_username, &user_name_data ); |
| 0 | 1573 printf("User-Name code: %d\n", user_name_data.avp_code ); |
| 1574 } | |
| 1575 | |
| 1576 */ | |
| 1577 | |
| 1578 /* | |
| 1579 *************************************************************************** | |
| 1580 * | |
| 1581 * Command object | |
| 1582 * | |
| 1583 * These types are used to manage commands objects in the dictionary | |
| 1584 * | |
| 1585 *************************************************************************** | |
| 1586 */ | |
| 1587 | |
| 1588 /* Type to hold a Diameter command code: IANA assigned values. 0x0-0x7fffff=standard, 0x800000-0xfffffd=vendors, 0xfffffe-0xffffff=experimental */ | |
| 1589 typedef uint32_t command_code_t; | |
| 1590 | |
| 1591 /* Values of command flags */ | |
| 1592 #define CMD_FLAG_REQUEST 0x80 | |
| 1593 #define CMD_FLAG_PROXIABLE 0x40 | |
| 1594 #define CMD_FLAG_ERROR 0x20 | |
| 1595 #define CMD_FLAG_RETRANSMIT 0x10 | |
| 1596 #define CMD_FLAG_RESERVED5 0x08 | |
| 1597 #define CMD_FLAG_RESERVED6 0x04 | |
| 1598 #define CMD_FLAG_RESERVED7 0x02 | |
| 1599 #define CMD_FLAG_RESERVED8 0x01 | |
| 1600 | |
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1601 /* For dumping flags and values */ |
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1602 #define DUMP_CMDFL_str "%c%c%c%c%s%s%s%s" |
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1603 #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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1604 (_val & CMD_FLAG_RESERVED5)?"5":"", (_val & CMD_FLAG_RESERVED6)?"6":"", (_val & CMD_FLAG_RESERVED7)?"7":"", (_val & CMD_FLAG_RESERVED8)?"8":"" |
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1605 |
| 0 | 1606 /* Type to hold data associated to a command */ |
| 1607 struct dict_cmd_data { | |
| 1608 command_code_t cmd_code; /* code of the command */ | |
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1609 char * cmd_name; /* Name of the command */ |
| 0 | 1610 uint8_t cmd_flag_mask; /* Mask of fixed-value flags */ |
| 1611 uint8_t cmd_flag_val; /* values of the fixed flags */ | |
| 1612 }; | |
| 1613 | |
| 1614 /* The criteria for searching an avp object in the dictionary */ | |
| 1615 enum { | |
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1616 CMD_BY_NAME = 60, /* "what" points to a char * */ |
| 0 | 1617 CMD_BY_CODE_R, /* "what" points to a command_code_t. The "Request" command is returned. */ |
| 1618 CMD_BY_CODE_A, /* "what" points to a command_code_t. The "Answer" command is returned. */ | |
| 1619 CMD_ANSWER /* "what" points to a struct dict_object of a request command. The corresponding "Answer" command is returned. */ | |
| 1620 }; | |
| 1621 | |
| 1622 | |
| 1623 /*** | |
| 1624 * API usage : | |
| 1625 | |
| 1626 The "parent" parameter of dict_new may point to an application object to inform of what application defines the command. | |
| 1627 The application associated to a command is retrieved with APPLICATION_OF_COMMAND search criteria on applications. | |
| 1628 | |
| 1629 To create the rules for children of commands, see the DICT_RULE related part. | |
| 1630 | |
| 1631 Note that the "Request" and "Answer" commands are two independant objects. This allows to have different rules for each. | |
| 1632 | |
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1633 - fd_dict_new: |
| 0 | 1634 Sample code for command creation: |
| 1635 { | |
| 1636 int ret; | |
| 1637 struct dict_object * cer; | |
| 1638 struct dict_object * cea; | |
| 1639 struct dict_cmd_data ce_data = { | |
| 1640 257, // code | |
| 1641 "Capabilities-Exchange-Request", // name | |
| 1642 CMD_FLAG_REQUEST, // mask | |
| 1643 CMD_FLAG_REQUEST // value. Only the "R" flag is constrained here, set. | |
| 1644 }; | |
| 1645 | |
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1646 ret = fd_dict_new (dict, DICT_COMMAND, &ce_data, NULL, &cer ); |
| 0 | 1647 |
| 1648 ce_data.cmd_name = "Capabilities-Exchange-Answer"; | |
| 1649 ce_data.cmd_flag_val = 0; // Same constraint on "R" flag, but this time it must be cleared. | |
| 1650 | |
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1651 ret = fd_dict_new ( dict, DICT_COMMAND, &ce_data, NULL, &cea ); |
| 0 | 1652 } |
| 1653 | |
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1654 - fd_dict_search: |
| 0 | 1655 Sample code to look for a command |
| 1656 { | |
| 1657 int ret; | |
| 1658 struct dict_object * cer, * cea; | |
| 1659 command_code_t code = 257; | |
|
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1660 ret = fd_dict_search ( dict, DICT_COMMAND, CMD_BY_NAME, "Capabilities-Exchange-Request", &cer, ENOENT); |
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1661 ret = fd_dict_search ( dict, DICT_COMMAND, CMD_BY_CODE_R, &code, &cer, ENOENT); |
| 0 | 1662 } |
| 1663 | |
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1664 - fd_dict_getval: |
| 0 | 1665 Sample code to retrieve the data from a command object: |
| 1666 { | |
| 1667 int ret; | |
| 1668 struct dict_object * cer; | |
| 1669 struct dict_object * cea; | |
| 1670 struct dict_cmd_data cea_data; | |
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1671 ret = fd_dict_search ( dict, DICT_COMMAND, CMD_BY_NAME, "Capabilities-Exchange-Request", &cer, ENOENT); |
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1672 ret = fd_dict_search ( dict, DICT_COMMAND, CMD_ANSWER, cer, &cea, ENOENT); |
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1673 ret = fd_dict_getval ( cea, &cea_data ); |
| 0 | 1674 printf("Answer to CER: %s\n", cea_data.cmd_name ); |
| 1675 } | |
| 1676 | |
| 1677 */ | |
| 1678 | |
| 1679 /* | |
| 1680 *************************************************************************** | |
| 1681 * | |
| 1682 * Rule object | |
| 1683 * | |
| 1684 * These objects are used to manage rules in the dictionary (ABNF implementation) | |
| 1685 * This is used for checking messages validity (more powerful than a DTD) | |
| 1686 * | |
| 1687 *************************************************************************** | |
| 1688 */ | |
| 1689 | |
| 1690 /* This defines the kind of rule that is defined */ | |
| 1691 enum rule_position { | |
| 1692 RULE_FIXED_HEAD = 1, /* The AVP must be at the head of the group. The rule_order field is used to specify the position. */ | |
| 1693 RULE_REQUIRED, /* The AVP must be present in the parent, but its position is not defined. */ | |
| 1694 RULE_OPTIONAL, /* The AVP may be present in the message. Used to specify a max number of occurences for example */ | |
| 1695 RULE_FIXED_TAIL /* The AVP must be at the end of the group. The rule_order field is used to specify the position. */ | |
| 1696 }; | |
| 1697 | |
| 1698 /* Content of a RULE object data */ | |
| 1699 struct dict_rule_data { | |
| 1700 struct dict_object *rule_avp; /* Pointer to the AVP object that is concerned by this rule */ | |
| 1701 enum rule_position rule_position; /* The position in which the rule_avp must appear in the parent */ | |
| 1702 unsigned rule_order; /* for RULE_FIXED_* rules, the place. 1,2,3.. for HEAD rules; ...,3,2,1 for TAIL rules. */ | |
| 1703 int rule_min; /* Minimum number of occurences. -1 means "default": 0 for optional rules, 1 for other rules */ | |
| 1704 int rule_max; /* Maximum number of occurences. -1 means no maximum. 0 means the AVP is forbidden. */ | |
| 1705 }; | |
| 1706 | |
| 1707 /* The criteria for searching a rule in the dictionary */ | |
| 1708 enum { | |
| 972 | 1709 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 | 1710 }; |
| 1711 | |
| 1712 /* Structure for querying the dictionary about a rule */ | |
| 1713 struct dict_rule_request { | |
| 1714 struct dict_object *rule_parent; /* The grouped avp or command to which the rule apply */ | |
| 1715 struct dict_object *rule_avp; /* The AVP concerned by this rule */ | |
| 1716 }; | |
| 1717 | |
| 1718 | |
| 1719 /*** | |
| 1720 * API usage : | |
| 1721 | |
| 1722 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). | |
| 1723 | |
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1724 - fd_dict_new: |
| 0 | 1725 Sample code for rule creation. Let's create the Proxy-Info grouped AVP for example. |
| 1726 { | |
| 1727 int ret; | |
| 1728 struct dict_object * proxy_info_avp; | |
| 1729 struct dict_object * proxy_host_avp; | |
| 1730 struct dict_object * proxy_state_avp; | |
| 1731 struct dict_object * diameteridentity_type; | |
| 1732 struct dict_rule_data rule_data; | |
| 1733 struct dict_type_data di_type_data = { AVP_TYPE_OCTETSTRING, "DiameterIdentity", NULL, NULL }; | |
| 1734 struct dict_avp_data proxy_info_data = { 284, 0, "Proxy-Info", AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, AVP_FLAG_MANDATORY, AVP_TYPE_GROUPED }; | |
| 1735 struct dict_avp_data proxy_host_data = { 280, 0, "Proxy-Host", AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, AVP_FLAG_MANDATORY, AVP_TYPE_OCTETSTRING }; | |
| 1736 struct dict_avp_data proxy_state_data = { 33, 0, "Proxy-State",AVP_FLAG_VENDOR | AVP_FLAG_MANDATORY, AVP_FLAG_MANDATORY, AVP_TYPE_OCTETSTRING }; | |
| 1737 | |
| 1738 -- Create the parent AVP | |
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1739 ret = fd_dict_new ( dict, DICT_AVP, &proxy_info_data, NULL, &proxy_info_avp ); |
| 0 | 1740 |
| 1741 -- Create the first child AVP. | |
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1742 ret = fd_dict_new ( dict, DICT_TYPE, &di_type_data, NULL, &diameteridentity_type ); |
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1743 ret = fd_dict_new ( dict, DICT_AVP, &proxy_host_data, diameteridentity_type, &proxy_host_avp ); |
| 0 | 1744 |
| 1745 -- Create the other child AVP | |
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1746 ret = fd_dict_new ( dict, DICT_AVP, &proxy_state_data, NULL, &proxy_state_avp ); |
| 0 | 1747 |
| 1748 -- Now we can create the rules. Both children AVP are mandatory. | |
| 1749 rule_data.rule_position = RULE_REQUIRED; | |
| 1750 rule_data.rule_min = -1; | |
| 1751 rule_data.rule_max = -1; | |
| 1752 | |
| 1753 rule_data.rule_avp = proxy_host_avp; | |
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1754 ret = fd_dict_new ( dict, DICT_RULE, &rule_data, proxy_info_avp, NULL ); |
| 0 | 1755 |
| 1756 rule_data.rule_avp = proxy_state_avp; | |
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1757 ret = fd_dict_new ( dict, DICT_RULE, &rule_data, proxy_info_avp, NULL ); |
| 0 | 1758 } |
| 1759 | |
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1760 - fd_dict_search and fd_dict_getval are similar to previous examples. |
| 0 | 1761 |
| 1762 */ | |
| 1763 | |
| 1764 /* Define some hard-coded values */ | |
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1765 /* Application */ |
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1766 #define AI_RELAY 0xffffffff |
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1767 |
| 0 | 1768 /* Commands Codes */ |
| 1769 #define CC_CAPABILITIES_EXCHANGE 257 | |
| 1770 #define CC_RE_AUTH 258 | |
| 1771 #define CC_ACCOUNTING 271 | |
| 1772 #define CC_ABORT_SESSION 274 | |
| 1773 #define CC_SESSION_TERMINATION 275 | |
| 1774 #define CC_DEVICE_WATCHDOG 280 | |
| 1775 #define CC_DISCONNECT_PEER 282 | |
| 1776 | |
| 1777 /* AVPs (Vendor 0) */ | |
| 87 | 1778 #define AC_USER_NAME 1 |
| 0 | 1779 #define AC_PROXY_STATE 33 |
| 1780 #define AC_HOST_IP_ADDRESS 257 | |
| 1781 #define AC_AUTH_APPLICATION_ID 258 | |
| 1782 #define AC_ACCT_APPLICATION_ID 259 | |
| 1783 #define AC_VENDOR_SPECIFIC_APPLICATION_ID 260 | |
| 1784 #define AC_REDIRECT_HOST_USAGE 261 | |
| 1785 #define AC_REDIRECT_MAX_CACHE_TIME 262 | |
| 1786 #define AC_SESSION_ID 263 | |
| 1787 #define AC_ORIGIN_HOST 264 | |
| 1788 #define AC_SUPPORTED_VENDOR_ID 265 | |
| 1789 #define AC_VENDOR_ID 266 | |
| 1790 #define AC_FIRMWARE_REVISION 267 | |
| 1791 #define AC_RESULT_CODE 268 | |
| 1792 #define AC_PRODUCT_NAME 269 | |
| 1793 #define AC_DISCONNECT_CAUSE 273 | |
| 1794 #define ACV_DC_REBOOTING 0 | |
| 1795 #define ACV_DC_BUSY 1 | |
| 1796 #define ACV_DC_NOT_FRIEND 2 | |
| 1797 #define AC_ORIGIN_STATE_ID 278 | |
| 1798 #define AC_FAILED_AVP 279 | |
| 1799 #define AC_PROXY_HOST 280 | |
| 1800 #define AC_ERROR_MESSAGE 281 | |
| 1801 #define AC_ROUTE_RECORD 282 | |
| 1802 #define AC_DESTINATION_REALM 283 | |
| 1803 #define AC_PROXY_INFO 284 | |
| 1804 #define AC_REDIRECT_HOST 292 | |
| 1805 #define AC_DESTINATION_HOST 293 | |
| 1806 #define AC_ERROR_REPORTING_HOST 294 | |
| 1807 #define AC_ORIGIN_REALM 296 | |
| 1808 #define AC_INBAND_SECURITY_ID 299 | |
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1809 #define ACV_ISI_NO_INBAND_SECURITY 0 |
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1810 #define ACV_ISI_TLS 1 |
| 0 | 1811 |
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1812 /* Error codes from Base protocol |
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1813 (reference: http://www.iana.org/assignments/aaa-parameters/aaa-parameters.xml#aaa-parameters-4) |
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1814 Note that currently, rfc3588bis-26 has some different values for some of these |
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1815 */ |
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1816 #define ER_DIAMETER_MULTI_ROUND_AUTH 1001 |
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1817 |
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1818 #define ER_DIAMETER_SUCCESS 2001 |
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1819 #define ER_DIAMETER_LIMITED_SUCCESS 2002 |
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1820 |
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1821 #define ER_DIAMETER_COMMAND_UNSUPPORTED 3001 /* 5019 ? */ |
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1822 #define ER_DIAMETER_UNABLE_TO_DELIVER 3002 |
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1823 #define ER_DIAMETER_REALM_NOT_SERVED 3003 |
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1824 #define ER_DIAMETER_TOO_BUSY 3004 |
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1825 #define ER_DIAMETER_LOOP_DETECTED 3005 |
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1826 #define ER_DIAMETER_REDIRECT_INDICATION 3006 |
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1827 #define ER_DIAMETER_APPLICATION_UNSUPPORTED 3007 |
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1828 #define ER_DIAMETER_INVALID_HDR_BITS 3008 /* 5020 ? */ |
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1829 #define ER_DIAMETER_INVALID_AVP_BITS 3009 /* 5021 ? */ |
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1830 #define ER_DIAMETER_UNKNOWN_PEER 3010 /* 5018 ? */ |
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1831 |
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1832 #define ER_DIAMETER_AUTHENTICATION_REJECTED 4001 |
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1833 #define ER_DIAMETER_OUT_OF_SPACE 4002 |
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1834 #define ER_ELECTION_LOST 4003 |
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1835 |
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1836 #define ER_DIAMETER_AVP_UNSUPPORTED 5001 |
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1837 #define ER_DIAMETER_UNKNOWN_SESSION_ID 5002 |
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1838 #define ER_DIAMETER_AUTHORIZATION_REJECTED 5003 |
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1839 #define ER_DIAMETER_INVALID_AVP_VALUE 5004 |
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1840 #define ER_DIAMETER_MISSING_AVP 5005 |
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1841 #define ER_DIAMETER_RESOURCES_EXCEEDED 5006 |
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1842 #define ER_DIAMETER_CONTRADICTING_AVPS 5007 |
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1843 #define ER_DIAMETER_AVP_NOT_ALLOWED 5008 |
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1844 #define ER_DIAMETER_AVP_OCCURS_TOO_MANY_TIMES 5009 |
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1845 #define ER_DIAMETER_NO_COMMON_APPLICATION 5010 |
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1846 #define ER_DIAMETER_UNSUPPORTED_VERSION 5011 |
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1847 #define ER_DIAMETER_UNABLE_TO_COMPLY 5012 |
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1848 #define ER_DIAMETER_INVALID_BIT_IN_HEADER 5013 /* 3011 ? */ |
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1849 #define ER_DIAMETER_INVALID_AVP_LENGTH 5014 |
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1850 #define ER_DIAMETER_INVALID_MESSAGE_LENGTH 5015 /* 3012 ? */ |
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1851 #define ER_DIAMETER_INVALID_AVP_BIT_COMBO 5016 /* deprecated? */ |
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1852 #define ER_DIAMETER_NO_COMMON_SECURITY 5017 |
| 0 | 1853 |
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1854 |
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1855 /*============================================================*/ |
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1856 /* SESSIONS */ |
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1857 /*============================================================*/ |
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1858 |
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1859 /* Modules that want to associate a state with a Session-Id must first register a handler of this type */ |
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1860 struct session_handler; |
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1861 |
|
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1862 /* This opaque structure represents a session associated with a Session-Id */ |
|
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1863 struct session; |
|
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1864 |
|
226
406f74f0789b
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1865 /* The state information that a module associate with a session -- each module defines its own data format */ |
|
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|
1866 struct sess_state; /* declare this in your own extension */ |
|
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1867 |
|
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diff
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|
1868 typedef DECLARE_FD_DUMP_PROTOTYPE((*session_state_dump), struct sess_state * st); |
|
1085
7d7266115a34
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1869 |
|
453
9a8b3178a7a7
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1870 /* The following function must be called to activate the session expiry mechanism */ |
|
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1871 int fd_sess_start(void); |
|
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1872 |
|
3
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1873 /* |
|
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1874 * FUNCTION: fd_sess_handler_create |
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1875 * |
|
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1876 * PARAMETERS: |
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1877 * handler : location where the new handler must be stored. |
|
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1878 * cleanup : a callback function that must be called when the session with associated data is destroyed. |
|
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1879 * dumper : if not NULL, will be called during fd_sess_dump to display the data associated with a session. NULL otherwise. |
|
639
95a784729cac
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1880 * opaque : A pointer that is passed to the cleanup callback -- the content is never examined by the framework. |
|
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1881 * |
|
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1882 * DESCRIPTION: |
|
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1883 * Create a new session handler. This is needed by a module to associate a state with a session object. |
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1884 * The cleanup handler is called when the session timeout expires, or fd_sess_destroy is called. It must free |
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1885 * the state associated with the session, and eventually trig other actions (send a STR, ...). |
|
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1886 * |
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1887 * RETURN VALUE: |
|
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1888 * 0 : The new handler has been created. |
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1889 * EINVAL : A parameter is invalid. |
|
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1890 * ENOMEM : Not enough memory to complete the operation |
|
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1891 */ |
|
1088
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1892 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 ); |
|
3
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1893 |
|
340
81821e9f6988
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1894 |
|
3
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1895 /* |
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1896 * FUNCTION: fd_sess_handler_destroy |
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1897 * |
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1898 * PARAMETERS: |
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1899 * handler : location of an handler created by fd_sess_handler_create. |
|
639
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1900 * opaque : the opaque pointer registered with the callback is restored here (if ! NULL). |
|
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1901 * |
|
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1902 * DESCRIPTION: |
|
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1903 * This destroys a session handler (typically called when an application is shutting down). |
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1904 * If sessions states are registered with this handler, the cleanup callback is called on them. |
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1905 * |
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1906 * RETURN VALUE: |
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1907 * 0 : The handler was destroyed. |
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1908 * EINVAL : A parameter is invalid. |
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1909 * ENOMEM : Not enough memory to complete the operation |
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1910 */ |
|
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1911 int fd_sess_handler_destroy ( struct session_handler ** handler, void **opaque ); |
|
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1912 |
|
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1913 |
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1914 |
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1915 /* |
|
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1916 * FUNCTION: fd_sess_new |
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1917 * |
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1918 * PARAMETERS: |
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1919 * session : The location where the session object will be created upon success. |
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1920 * diamid : a Diameter Identity, or NULL. |
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1921 * diamidlen : if diamid is \0-terminated, this can be 0. Otherwise, the length of diamid. |
| 972 | 1922 * opt : Additional string, or NULL. Usage is described below. |
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1923 * optlen : if opt is \0-terminated, this can be 0. Otherwise, the length of opt. |
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1924 * |
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1925 * DESCRIPTION: |
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1926 * Create a new session object. The Session-Id string associated with this session is generated as follow: |
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1927 * If diamId parameter is provided, the string is created according to the RFC: <diamId>;<high32>;<low32>[;opt] where |
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1928 * diamId is a Diameter Identity. |
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1929 * high32 and low32 are the parts of a monotonic 64 bits counter initialized to (time, 0) at startup. |
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1930 * opt is an optional string that can be concatenated to the identifier. |
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1931 * If diamId is NULL, the string is exactly the content of opt. |
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1932 * |
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1933 * RETURN VALUE: |
|
924
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1934 * 0 : The session is created, the initial msg refcount is 1. |
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1935 * EINVAL : A parameter is invalid. |
|
924
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1936 * EALREADY : A session with the same name already exists (returned in *session), the msg refcount is increased. |
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1937 * ENOMEM : Not enough memory to complete the operation |
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1938 */ |
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1939 int fd_sess_new ( struct session ** session, DiamId_t diamid, size_t diamidlen, uint8_t * opt, size_t optlen ); |
|
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1940 |
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1941 /* |
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1942 * FUNCTION: fd_sess_fromsid |
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1943 * |
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1944 * PARAMETERS: |
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1945 * sid : pointer to a string containing a Session-Id (should be UTF-8). |
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1946 * len : length of the sid string (which does not need to be '\0'-terminated) |
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1947 * session : On success, pointer to the session object created / retrieved. |
|
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1948 * 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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1949 * |
|
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1950 * DESCRIPTION: |
|
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1951 * Retrieve a session object from a Session-Id string. In case no session object was previously existing with this |
|
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1952 * id, a new object is silently created (equivalent to fd_sess_new with flag SESSION_NEW_FULL). |
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1953 * |
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1954 * RETURN VALUE: |
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1955 * 0 : The session parameter has been updated. |
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1956 * EINVAL : A parameter is invalid. |
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1957 * ENOMEM : Not enough memory to complete the operation |
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1958 */ |
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1959 int fd_sess_fromsid ( uint8_t * sid, size_t len, struct session ** session, int * isnew); |
|
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1960 |
|
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1961 /* only use the following in specific situations, e.g. app_radgw extension. They are normally handled by the framework only */ |
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1962 int fd_sess_fromsid_msg ( uint8_t * sid, size_t len, struct session ** session, int * isnew); |
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1963 int fd_sess_ref_msg ( struct session * session ); |
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1964 |
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1965 /* |
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1966 * FUNCTION: fd_sess_getsid |
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1967 * |
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1968 * PARAMETERS: |
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1969 * session : Pointer to a session object. |
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1970 * sid : On success, the location of the sid is stored here. |
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1971 * |
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1972 * DESCRIPTION: |
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1973 * Retrieve the session identifier (Session-Id) corresponding to a session object. |
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1974 * The returned sid is a \0-terminated binary string which might be UTF-8 (but there is no guarantee in the framework). |
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1975 * It may be used for example to set the value of an AVP. |
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1976 * Note that the sid string is not copied, just its reference... do not free it! |
|
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1977 * |
|
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1978 * RETURN VALUE: |
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1979 * 0 : The sid & len parameters have been updated. |
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1980 * EINVAL : A parameter is invalid. |
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1981 */ |
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1982 int fd_sess_getsid ( struct session * session, os0_t * sid, size_t * sidlen ); |
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1983 |
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1984 /* |
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1985 * FUNCTION: fd_sess_settimeout |
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1986 * |
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1987 * PARAMETERS: |
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1988 * session : The session for which to set the timeout. |
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1989 * timeout : The date when the session times out. |
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1990 * |
|
3
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1991 * DESCRIPTION: |
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1992 * Set the lifetime for a given session object. This function may be |
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1993 * called several times on the same object to update the timeout value. |
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1994 * When the timeout date is reached, the cleanup handler of each |
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1995 * module that registered data with this session is called, then the |
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1996 * session is cleared. |
|
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1997 * |
|
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1998 * There is a possible race condition between cleanup of the session |
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1999 * and use of its data; applications should ensure that they are not |
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2000 * using data from a session that is about to expire / expired. |
|
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2001 * |
|
3
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2002 * RETURN VALUE: |
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2003 * 0 : The session timeout has been updated. |
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2004 * EINVAL : A parameter is invalid. |
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|
2005 */ |
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2006 int fd_sess_settimeout( struct session * session, const struct timespec * timeout ); |
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2007 |
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2008 /* |
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|
2009 * FUNCTION: fd_sess_destroy |
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|
2010 * |
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2011 * PARAMETERS: |
|
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2012 * session : Pointer to a session object. |
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2013 * |
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2014 * DESCRIPTION: |
|
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2015 * Destroys all associated states of a session, if any. |
|
3
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|
2016 * Equivalent to a session timeout expired, but the effect is immediate. |
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2017 * The session itself is marked as deleted, and will be freed when it is not referenced |
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|
2018 * by any message anymore. |
|
3
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|
2019 * |
|
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|
2020 * RETURN VALUE: |
|
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Progress; added session module; testsess to be completed
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|
2021 * 0 : The session no longer exists. |
|
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Progress; added session module; testsess to be completed
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|
2022 * EINVAL : A parameter is invalid. |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
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|
2023 */ |
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parents:
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|
2024 int fd_sess_destroy ( struct session ** session ); |
|
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parents:
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diff
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|
2025 |
|
6
b0d377c79d80
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2026 /* |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
5
diff
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|
2027 * FUNCTION: fd_sess_reclaim |
|
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Progress on dispatch API spec; added fd_sess_reclaim function and test
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5
diff
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|
2028 * |
|
b0d377c79d80
Progress on dispatch API spec; added fd_sess_reclaim function and test
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parents:
5
diff
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|
2029 * PARAMETERS: |
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Progress on dispatch API spec; added fd_sess_reclaim function and test
Sebastien Decugis <sdecugis@nict.go.jp>
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diff
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|
2030 * session : Pointer to a session object. |
|
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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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|
2031 * |
|
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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|
2032 * DESCRIPTION: |
|
706
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Large UNTESTED commit with the following changes:
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|
2033 * Equivalent to fd_sess_destroy, only if no session_state is associated with the session. |
|
4ffbc9f1e922
Large UNTESTED commit with the following changes:
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|
2034 * 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>
parents:
5
diff
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|
2035 * |
|
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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|
2036 * RETURN VALUE: |
|
706
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Large UNTESTED commit with the following changes:
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|
2037 * 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>
parents:
5
diff
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|
2038 * 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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|
2039 */ |
|
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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|
2040 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>
parents:
5
diff
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|
2041 |
|
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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|
2042 |
|
3
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Progress; added session module; testsess to be completed
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|
2043 |
|
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
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2
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|
2044 |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
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diff
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|
2045 /* |
|
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
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|
2046 * FUNCTION: fd_sess_state_store |
|
2
d8ce06172629
Added a global debug level var
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
1
diff
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|
2047 * |
|
3
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
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2
diff
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|
2048 * PARAMETERS: |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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diff
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|
2049 * handler : The handler with which the state is registered. |
|
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|
2050 * session : The session object with which the state is registered. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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|
2051 * state : An application state (opaque data) to store with the session. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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|
2052 * |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
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|
2053 * DESCRIPTION: |
|
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Progress; added session module; testsess to be completed
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parents:
2
diff
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|
2054 * Stores an application state with a session. This state can later be retrieved |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
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|
2055 * with fd_sess_state_retrieve, or implicitly in the cleanup handler when the session |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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diff
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|
2056 * is destroyed. |
|
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Progress; added session module; testsess to be completed
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2057 * |
|
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diff
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2058 * RETURN VALUE: |
|
ef303f1078ab
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parents:
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diff
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|
2059 * 0 : The state has been stored. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
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diff
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2060 * EINVAL : A parameter is invalid. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
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diff
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|
2061 * EALREADY : Data was already associated with this session and client. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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|
2062 * ENOMEM : Not enough memory to complete the operation |
|
ef303f1078ab
Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
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|
2063 */ |
|
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
changeset
|
2064 int fd_sess_state_store ( struct session_handler * handler, struct session * session, struct sess_state ** state ); |
|
3
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2065 |
|
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|
2066 /* |
|
ef303f1078ab
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2
diff
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|
2067 * FUNCTION: fd_sess_state_retrieve |
|
2
d8ce06172629
Added a global debug level var
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diff
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2068 * |
|
3
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
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|
2069 * PARAMETERS: |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
changeset
|
2070 * handler : The handler with which the state was registered. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
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|
2071 * session : The session object with which the state was registered. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
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diff
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2072 * state : Location where the state must be saved if it is found. |
|
ef303f1078ab
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parents:
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diff
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|
2073 * |
|
ef303f1078ab
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parents:
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diff
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|
2074 * DESCRIPTION: |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
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2075 * Retrieves a state saved by fd_sess_state_store. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
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diff
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|
2076 * After this function has been called, the state is no longer associated with |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
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|
2077 * the session. A new call to fd_sess_state_store must be performed in order to |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
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|
2078 * store again the data with the session. |
|
2
d8ce06172629
Added a global debug level var
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
1
diff
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|
2079 * |
|
3
ef303f1078ab
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parents:
2
diff
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|
2080 * RETURN VALUE: |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
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2081 * 0 : *state is updated (NULL or points to the state if it was found). |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
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diff
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|
2082 * EINVAL : A parameter is invalid. |
|
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
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|
2083 */ |
|
1088
1d1a20a0779d
Second part of changeset 1083, now the code compiles again. Still missing some functions implementation, though
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1087
diff
changeset
|
2084 int fd_sess_state_retrieve ( struct session_handler * handler, struct session * session, struct sess_state ** state ); |
|
2
d8ce06172629
Added a global debug level var
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
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diff
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|
2085 |
|
d8ce06172629
Added a global debug level var
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parents:
1
diff
changeset
|
2086 |
|
3
ef303f1078ab
Progress; added session module; testsess to be completed
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parents:
2
diff
changeset
|
2087 /* For debug */ |
|
1085
7d7266115a34
Cleaning of the traces in progress
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1082
diff
changeset
|
2088 DECLARE_FD_DUMP_PROTOTYPE(fd_sess_dump, struct session * session, int with_states); |
|
7d7266115a34
Cleaning of the traces in progress
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parents:
1082
diff
changeset
|
2089 DECLARE_FD_DUMP_PROTOTYPE(fd_sess_dump_hdl, struct session_handler * handler); |
|
3
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Progress; added session module; testsess to be completed
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
2
diff
changeset
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2090 |
|
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
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
769
diff
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|
2091 /* 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
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
769
diff
changeset
|
2092 int fd_sess_getcount(uint32_t *cnt); |
|
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
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
769
diff
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|
2093 |
|
2
d8ce06172629
Added a global debug level var
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
1
diff
changeset
|
2094 /*============================================================*/ |
|
83
c662d3eb6ff6
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diff
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|
2095 /* ROUTING */ |
|
c662d3eb6ff6
Started support for routing module
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diff
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|
2096 /*============================================================*/ |
|
c662d3eb6ff6
Started support for routing module
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43
diff
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|
2097 |
|
c662d3eb6ff6
Started support for routing module
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43
diff
changeset
|
2098 /* The following functions are helpers for the routing module. |
|
168
6db078b955e3
Completed rt_default extension
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parents:
156
diff
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|
2099 The routing data is stored in the message itself. */ |
|
83
c662d3eb6ff6
Started support for routing module
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diff
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|
2100 |
|
c662d3eb6ff6
Started support for routing module
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diff
changeset
|
2101 /* Structure that contains the routing data for a message */ |
|
c662d3eb6ff6
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43
diff
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|
2102 struct rt_data; |
|
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43
diff
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|
2103 |
|
c662d3eb6ff6
Started support for routing module
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43
diff
changeset
|
2104 /* Following functions are helpers to create the routing data of a message */ |
|
620
bc7328e600f0
Removed the OUTPUT specification for SWIG, too complex
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
618
diff
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|
2105 int fd_rtd_init(struct rt_data ** rtd); |
|
83
c662d3eb6ff6
Started support for routing module
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parents:
43
diff
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|
2106 void fd_rtd_free(struct rt_data ** rtd); |
|
c662d3eb6ff6
Started support for routing module
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43
diff
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2107 |
|
706
4ffbc9f1e922
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2108 /* Add a peer to the candidates list. */ |
|
4ffbc9f1e922
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|
2109 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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diff
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|
2110 |
|
706
4ffbc9f1e922
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705
diff
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|
2111 /* Remove a peer from the candidates (if it is found). The search is case-insensitive. */ |
|
4ffbc9f1e922
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|
2112 void fd_rtd_candidate_del(struct rt_data * rtd, uint8_t * id, size_t idsz); |
|
83
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parents:
43
diff
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|
2113 |
|
88
9e2db1647d6f
Completed routing module
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parents:
87
diff
changeset
|
2114 /* Extract the list of valid candidates, and initialize their scores to 0 */ |
|
620
bc7328e600f0
Removed the OUTPUT specification for SWIG, too complex
Sebastien Decugis <sdecugis@nict.go.jp>
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618
diff
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|
2115 void fd_rtd_candidate_extract(struct rt_data * rtd, struct fd_list ** candidates, int ini_score); |
|
88
9e2db1647d6f
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parents:
87
diff
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|
2116 |
|
1019
6fcd30ce3ce7
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1014
diff
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|
2117 /* 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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1014
diff
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|
2118 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
c662d3eb6ff6
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Sebastien Decugis <sdecugis@nict.go.jp>
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43
diff
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|
2119 |
|
1097
4d2dcb54d9a6
New function fd_rtd_get_nb_attempts
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1093
diff
changeset
|
2120 /* 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) */ |
|
4d2dcb54d9a6
New function fd_rtd_get_nb_attempts
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1093
diff
changeset
|
2121 int fd_rtd_get_nb_attempts(struct rt_data * rtd, int * sendingattemtps); |
|
4d2dcb54d9a6
New function fd_rtd_get_nb_attempts
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1093
diff
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|
2122 |
|
83
c662d3eb6ff6
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diff
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|
2123 /* The extracted list items have the following structure: */ |
|
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43
diff
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|
2124 struct rtd_candidate { |
|
1019
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|
2125 struct fd_list chain; /* link in the list returned by the previous fcts */ |
|
706
4ffbc9f1e922
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|
2126 DiamId_t diamid; /* the diameter Id of the peer */ |
|
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|
2127 size_t diamidlen; /* cached size of the diamid string */ |
|
4ffbc9f1e922
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|
2128 DiamId_t realm; /* the diameter realm of the peer */ |
|
4ffbc9f1e922
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|
2129 size_t realmlen; /* cached size of realm */ |
|
83
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Started support for routing module
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43
diff
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|
2130 int score; /* the current routing score for this peer, see fd_rt_out_register definition for details */ |
|
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diff
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|
2131 }; |
|
c662d3eb6ff6
Started support for routing module
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43
diff
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|
2132 |
|
706
4ffbc9f1e922
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diff
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|
2133 /* Reorder the list of peers by score */ |
|
83
c662d3eb6ff6
Started support for routing module
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43
diff
changeset
|
2134 int fd_rtd_candidate_reorder(struct fd_list * candidates); |
|
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Started support for routing module
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43
diff
changeset
|
2135 |
|
85
e5fcd672caff
Added new function to retrieve messages sessions easily
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parents:
83
diff
changeset
|
2136 /* 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. */ |
|
e5fcd672caff
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parents:
83
diff
changeset
|
2137 /* Beware that this could lead to routing loops */ |
|
83
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Started support for routing module
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43
diff
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|
2138 |
|
c662d3eb6ff6
Started support for routing module
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43
diff
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|
2139 /*============================================================*/ |
| 0 | 2140 /* MESSAGES */ |
| 2141 /*============================================================*/ | |
| 2142 | |
| 2143 /* The following types are opaque */ | |
| 2144 struct msg; /* A message: command with children AVPs (possibly grand children) */ | |
| 2145 struct avp; /* AVP object */ | |
| 2146 | |
| 2147 /* Some details about chaining: | |
| 2148 * | |
| 2149 * A message is made of a header ( msg ) and 0 or more AVPs ( avp ). | |
| 2150 * The structure is a kind of tree, where some AVPs (grouped AVPs) can contain other AVPs. | |
| 871 | 2151 * Example: |
| 0 | 2152 * msg |
| 2153 * |-avp | |
| 2154 * |-gavp | |
| 2155 * | |-avp | |
| 2156 * | |-avp | |
| 2157 * | \-avp | |
| 2158 * |-avp | |
| 2159 * \-avp | |
| 2160 * | |
| 2161 */ | |
| 2162 | |
| 2163 /* The following type is used to point to either a msg or an AVP */ | |
| 2164 typedef void msg_or_avp; | |
| 2165 | |
| 2166 /* The Diameter protocol version */ | |
| 2167 #define DIAMETER_VERSION 1 | |
| 2168 | |
| 2169 /* In the two following types, some fields are marked (READONLY). | |
| 2170 * This means that the content of these fields will be overwritten by the daemon so modifying it is useless. | |
| 2171 */ | |
| 2172 | |
| 2173 /* The following structure represents the header of a message. All data is in host byte order. */ | |
| 2174 struct msg_hdr { | |
| 2175 uint8_t msg_version; /* (READONLY) Version of Diameter: must be DIAMETER_VERSION. */ | |
| 2176 uint32_t msg_length; /* (READONLY)(3 bytes) indicates the length of the message */ | |
| 2177 uint8_t msg_flags; /* Message flags: CMD_FLAG_* */ | |
| 2178 command_code_t msg_code; /* (3 bytes) the command-code. See dictionary-api.h for more detail */ | |
| 2179 application_id_t msg_appl; /* The application issuing this message */ | |
| 2180 uint32_t msg_hbhid; /* The Hop-by-Hop identifier of the message */ | |
| 2181 uint32_t msg_eteid; /* The End-to-End identifier of the message */ | |
| 2182 }; | |
| 2183 | |
| 2184 /* The following structure represents the visible content of an AVP. All data is in host byte order. */ | |
| 2185 struct avp_hdr { | |
| 2186 avp_code_t avp_code; /* the AVP Code */ | |
| 2187 uint8_t avp_flags; /* AVP_FLAG_* flags */ | |
| 2188 uint32_t avp_len; /* (READONLY)(Only 3 bytes are used) the length of the AVP as described in the RFC */ | |
| 2189 vendor_id_t avp_vendor; /* Only used if AVP_FLAG_VENDOR is present */ | |
| 2190 union avp_value *avp_value; /* pointer to the value of the AVP. NULL means that the value is not set / not understood. | |
| 2191 One should not directly change this value. Use the msg_avp_setvalue function instead. | |
| 2192 The content of the pointed structure can be changed directly, with this restriction: | |
| 2193 if the AVP is an OctetString, and you change the value of the pointer avp_value->os.data, then | |
| 2194 you must call free() on the previous value, and the new one must be free()-able. | |
| 2195 */ | |
| 2196 }; | |
| 2197 | |
| 2198 /* The following enum is used to browse inside message hierarchy (msg, gavp, avp) */ | |
| 2199 enum msg_brw_dir { | |
| 2200 MSG_BRW_NEXT = 1, /* Get the next element at the same level, or NULL if this is the last element. */ | |
| 2201 MSG_BRW_PREV, /* Get the previous element at the same level, or NULL if this is the first element. */ | |
| 2202 MSG_BRW_FIRST_CHILD, /* Get the first child AVP of this element, if any. */ | |
| 2203 MSG_BRW_LAST_CHILD, /* Get the last child AVP of this element, if any. */ | |
| 2204 MSG_BRW_PARENT, /* Get the parent element of this element, if any. Only the msg_t object has no parent. */ | |
| 2205 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. */ | |
| 2206 }; | |
| 2207 | |
| 972 | 2208 /* Some flags used in the functions below */ |
|
892
b2e8f1a3ef76
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2209 #define AVPFL_SET_BLANK_VALUE 0x01 /* When creating an AVP, initialize its value to a blank area */ |
|
b2e8f1a3ef76
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diff
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|
2210 #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) */ |
|
b2e8f1a3ef76
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diff
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|
2211 #define AVPFL_MAX AVPFL_SET_RAWDATA_FROM_AVP /* The biggest valid flag value */ |
|
638
9448cba86673
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637
diff
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|
2212 |
| 0 | 2213 #define MSGFL_ALLOC_ETEID 0x01 /* When creating a message, a new end-to-end ID is allocated and set in the message */ |
| 2214 #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 */ | |
|
112
6a294d977878
Default to add Session-Id in answers
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diff
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|
2215 #define MSGFL_ANSW_NOSID 0x04 /* When creating an answer message, do not add the Session-Id even if present in request */ |
|
992
80584f0e851a
Copy by default the Proxy-Info AVP included in requests into the answers. Use MSGFL_ANSW_NOPROXYINFO to ignore. This code has not been tested yet.
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parents:
981
diff
changeset
|
2216 #define MSGFL_ANSW_NOPROXYINFO 0x08 /* When creating an answer message, do not add the Proxy-Info AVPs presents in request */ |
|
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2217 #define MSGFL_MAX MSGFL_ANSW_NOPROXYINFO /* The biggest valid flag value */ |
| 0 | 2218 |
| 2219 /**************************************************/ | |
| 2220 /* Message creation, manipulation, disposal */ | |
| 2221 /**************************************************/ | |
| 2222 /* | |
| 2223 * FUNCTION: fd_msg_avp_new | |
| 2224 * | |
| 2225 * PARAMETERS: | |
|
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|
2226 * model : Pointer to a DICT_AVP dictionary object describing the avp to create, or NULL if flags are used. |
|
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|
2227 * flags : Flags to use in creation (AVPFL_*, see above). |
|
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|
2228 * avp : Upon success, pointer to the new avp is stored here. It points to reference AVP upon function call when flags are used. |
| 0 | 2229 * |
| 2230 * DESCRIPTION: | |
| 2231 * Create a new AVP instance. | |
| 2232 * | |
| 2233 * RETURN VALUE: | |
| 2234 * 0 : The AVP is created. | |
| 2235 * EINVAL : A parameter is invalid. | |
| 2236 * (other standard errors may be returned, too, with their standard meaning. Example: | |
| 2237 * ENOMEM : Memory allocation for the new avp failed.) | |
| 2238 */ | |
|
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|
2239 int fd_msg_avp_new ( struct dict_object * model, int flags, struct avp ** avp ); |
| 0 | 2240 |
| 2241 /* | |
| 2242 * FUNCTION: fd_msg_new | |
| 2243 * | |
| 2244 * PARAMETERS: | |
| 2245 * model : Pointer to a DICT_COMMAND dictionary object describing the message to create, or NULL. | |
| 2246 * flags : combination of MSGFL_* flags. | |
| 2247 * msg : Upon success, pointer to the new message is stored here. | |
| 2248 * | |
| 2249 * DESCRIPTION: | |
| 2250 * Create a new empty Diameter message. | |
| 2251 * | |
| 2252 * RETURN VALUE: | |
| 2253 * 0 : The message is created. | |
| 2254 * EINVAL : A parameter is invalid. | |
| 2255 * (other standard errors may be returned, too, with their standard meaning. Example: | |
| 2256 * ENOMEM : Memory allocation for the new message failed.) | |
| 2257 */ | |
|
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|
2258 int fd_msg_new ( struct dict_object * model, int flags, struct msg ** msg ); |
| 0 | 2259 |
| 2260 /* | |
| 2261 * FUNCTION: msg_new_answer_from_req | |
| 2262 * | |
| 2263 * PARAMETERS: | |
| 2264 * dict : Pointer to the dictionary containing the model of the query. | |
| 2265 * msg : The location of the query on function call. Updated by the location of answer message on return. | |
| 2266 * flag : Pass MSGFL_ANSW_ERROR to indicate if the answer is an error message (will set the 'E' bit) | |
|
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|
2267 * : See other MSGFL_ANSW_* definition above for other flags. |
| 0 | 2268 * |
| 2269 * DESCRIPTION: | |
| 2270 * This function creates the empty answer message corresponding to a request. | |
| 2271 * The header is set properly (R flag, ccode, appid, hbhid, eteid) | |
| 2272 * The Session-Id AVP is copied if present. | |
| 2273 * The calling code should usually call fd_msg_rescode_set function on the answer. | |
| 2274 * Upon return, the original query may be retrieved by calling fd_msg_answ_getq on the message. | |
| 2275 * | |
| 2276 * RETURN VALUE: | |
| 2277 * 0 : Operation complete. | |
| 2278 * !0 : an error occurred. | |
| 2279 */ | |
|
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|
2280 int fd_msg_new_answer_from_req ( struct dictionary * dict, struct msg ** msg, int flag ); |
| 0 | 2281 |
| 2282 /* | |
| 2283 * FUNCTION: fd_msg_browse | |
| 2284 * | |
| 2285 * PARAMETERS: | |
| 2286 * reference : Pointer to a struct msg or struct avp. | |
| 2287 * dir : Direction for browsing | |
| 2288 * found : If not NULL, updated with the element that has been found, if any, or NULL if no element was found / an error occurred. | |
| 2289 * 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. | |
| 2290 * | |
| 2291 * DESCRIPTION: | |
| 2292 * Explore the content of a message object (hierarchy). If "found" is null, only error checking is performed. | |
| 2293 * If "depth" is provided, it is updated as follow on successful function return: | |
| 2294 * - not modified for MSG_BRW_NEXT and MSG_BRW_PREV. | |
| 2295 * - *depth = *depth + 1 for MSG_BRW_FIRST_CHILD and MSG_BRW_LAST_CHILD. | |
| 2296 * - *depth = *depth - 1 for MSG_BRW_PARENT. | |
| 2297 * - *depth = *depth + X for MSG_BRW_WALK, with X between 1 (returned the 1st child) and -N (returned the Nth parent's next). | |
| 2298 * | |
| 2299 * RETURN VALUE: | |
| 2300 * 0 : found has been updated (if non NULL). | |
| 2301 * EINVAL : A parameter is invalid. | |
| 2302 * ENOENT : No element has been found where requested, and "found" was NULL (otherwise, *found is set to NULL and 0 is returned). | |
| 2303 */ | |
|
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|
2304 int fd_msg_browse_internal ( msg_or_avp * reference, enum msg_brw_dir dir, msg_or_avp ** found, int * depth ); |
| 0 | 2305 /* Macro to avoid having to cast the third parameter everywhere */ |
| 2306 #define fd_msg_browse( ref, dir, found, depth ) \ | |
| 2307 fd_msg_browse_internal( (ref), (dir), (void *)(found), (depth) ) | |
| 2308 | |
| 2309 | |
| 2310 /* | |
| 2311 * FUNCTION: fd_msg_avp_add | |
| 2312 * | |
| 2313 * PARAMETERS: | |
| 2314 * reference : Pointer to a valid msg or avp. | |
| 2315 * dir : location where the new AVP should be inserted, relative to the reference. MSG_BRW_PARENT and MSG_BRW_WALK are not valid. | |
| 2316 * avp : pointer to the AVP object that must be inserted. | |
| 2317 * | |
| 2318 * DESCRIPTION: | |
| 2319 * Adds an AVP into an object that can contain it: grouped AVP or message. | |
|
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|
2320 * Note that the added AVP will be freed at the same time as the object it is added to, |
|
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2321 * so it should not be freed after the call to this function. |
| 0 | 2322 * |
| 2323 * RETURN VALUE: | |
| 2324 * 0 : The AVP has been added. | |
| 2325 * EINVAL : A parameter is invalid. | |
| 2326 */ | |
| 2327 int fd_msg_avp_add ( msg_or_avp * reference, enum msg_brw_dir dir, struct avp *avp); | |
| 2328 | |
| 2329 /* | |
| 2330 * FUNCTION: fd_msg_search_avp | |
| 2331 * | |
| 2332 * PARAMETERS: | |
| 2333 * msg : The message structure in which to search the AVP. | |
| 2334 * what : The dictionary model of the AVP to search. | |
| 2335 * avp : location where the AVP reference is stored if found. | |
| 2336 * | |
| 2337 * DESCRIPTION: | |
| 2338 * Search the first top-level AVP of a given model inside a message. | |
| 2339 * Note: only the first instance of the AVP is returned by this function. | |
| 2340 * Note: only top-level AVPs are searched, not inside grouped AVPs. | |
| 2341 * Use msg_browse if you need more advanced research features. | |
| 2342 * | |
| 2343 * RETURN VALUE: | |
| 2344 * 0 : The AVP has been found. | |
| 2345 * EINVAL : A parameter is invalid. | |
| 2346 * ENOENT : No AVP has been found, and "avp" was NULL (otherwise, *avp is set to NULL and 0 returned). | |
| 2347 */ | |
|
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2348 int fd_msg_search_avp ( struct msg * msg, struct dict_object * what, struct avp ** avp ); |
| 0 | 2349 |
| 2350 /* | |
| 2351 * FUNCTION: fd_msg_free | |
| 2352 * | |
| 2353 * PARAMETERS: | |
| 2354 * object : pointer to the message or AVP object that must be unlinked and freed. | |
| 2355 * | |
| 2356 * DESCRIPTION: | |
| 2357 * Unlink and free a message or AVP object and its children. | |
| 2358 * If the object is an AVP linked into a message, the AVP is removed before being freed. | |
| 2359 * | |
| 2360 * RETURN VALUE: | |
| 2361 * 0 : The message has been freed. | |
| 2362 * EINVAL : A parameter is invalid. | |
| 2363 */ | |
| 2364 int fd_msg_free ( msg_or_avp * object ); | |
| 2365 | |
| 2366 /***************************************/ | |
| 2367 /* Dump functions */ | |
| 2368 /***************************************/ | |
| 2369 /* | |
| 2370 * FUNCTION: fd_msg_dump_* | |
| 2371 * | |
| 2372 * PARAMETERS: | |
|
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|
2373 * see definition of DECLARE_FD_DUMP_PROTOTYPE, |
|
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|
2374 * obj : A msg or avp object to dump. |
|
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|
2375 * dict : the dictionary to use if parsing is requested (optional) |
|
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|
2376 * force_parsing: by default these functions do not parse the object but dump hexa values in that case. |
|
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|
2377 * use !0 to force parsing. If parsing fails, the hexa dump is still provided. |
|
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|
2378 * recurse : allow the function to go through the children objects if any to dump more information. might require parsing. |
| 0 | 2379 * |
| 2380 * DESCRIPTION: | |
|
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|
2381 * These functions dump the content of a message or avp into a buffer |
| 0 | 2382 * either recursively or only the object itself. |
| 2383 * | |
| 2384 * RETURN VALUE: | |
|
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|
2385 * - see DECLARE_FD_DUMP_PROTOTYPE, |
|
687
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|
2386 */ |
|
1078
74bba7975864
Cleanup the timing data and fd_msg_log feature that will be replaced by the new hooks mechanism. Kept the calls to fd_msg_log in comments to find the locations easily. WORK IN PROGRESS.
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|
2387 /* one-line dump with only short information */ |
|
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|
2388 DECLARE_FD_DUMP_PROTOTYPE( fd_msg_dump_summary, msg_or_avp *obj, struct dictionary *dict, int force_parsing, int recurse ); |
|
1078
74bba7975864
Cleanup the timing data and fd_msg_log feature that will be replaced by the new hooks mechanism. Kept the calls to fd_msg_log in comments to find the locations easily. WORK IN PROGRESS.
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diff
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|
2389 /* one-line dump with all the contents of the message */ |
|
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|
2390 DECLARE_FD_DUMP_PROTOTYPE( fd_msg_dump_full, msg_or_avp *obj, struct dictionary *dict, int force_parsing, int recurse ); |
|
1078
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diff
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|
2391 /* multi-line human-readable dump similar to wireshark output */ |
|
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|
2392 DECLARE_FD_DUMP_PROTOTYPE( fd_msg_dump_treeview, msg_or_avp *obj, struct dictionary *dict, int force_parsing, int recurse ); |
|
1078
74bba7975864
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diff
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|
2393 |
| 0 | 2394 |
| 2395 /*********************************************/ | |
| 2396 /* Message metadata management functions */ | |
| 2397 /*********************************************/ | |
| 2398 /* | |
| 2399 * FUNCTION: fd_msg_model | |
| 2400 * | |
| 2401 * PARAMETERS: | |
| 2402 * reference : Pointer to a valid msg or avp. | |
| 2403 * model : on success, pointer to the dictionary model of this command or AVP. NULL if the model is unknown. | |
| 2404 * | |
| 2405 * DESCRIPTION: | |
| 2406 * Retrieve the dictionary object describing this message or avp. If the object is unknown or the fd_msg_parse_dict has not been called, | |
| 2407 * *model is set to NULL. | |
| 2408 * | |
| 2409 * RETURN VALUE: | |
| 2410 * 0 : The model has been set. | |
| 2411 * EINVAL : A parameter is invalid. | |
| 2412 */ | |
|
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2413 int fd_msg_model ( msg_or_avp * reference, struct dict_object ** model ); |
| 0 | 2414 |
| 2415 /* | |
| 2416 * FUNCTION: fd_msg_hdr | |
| 2417 * | |
| 2418 * PARAMETERS: | |
| 2419 * msg : Pointer to a valid message object. | |
| 2420 * pdata : Upon success, pointer to the msg_hdr structure of this message. The fields may be modified. | |
| 2421 * | |
| 2422 * DESCRIPTION: | |
| 2423 * Retrieve location of modifiable section of a message. | |
| 2424 * | |
| 2425 * RETURN VALUE: | |
| 2426 * 0 : The location has been written. | |
| 2427 * EINVAL : A parameter is invalid. | |
| 2428 */ | |
|
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|
2429 int fd_msg_hdr ( struct msg *msg, struct msg_hdr ** pdata ); |
| 0 | 2430 |
| 2431 /* | |
| 2432 * FUNCTION: fd_msg_avp_hdr | |
| 2433 * | |
| 2434 * PARAMETERS: | |
| 2435 * avp : Pointer to a valid avp object. | |
| 2436 * pdata : Upon success, pointer to the avp_hdr structure of this avp. The fields may be modified. | |
| 2437 * | |
| 2438 * DESCRIPTION: | |
| 2439 * Retrieve location of modifiable data of an avp. | |
| 2440 * | |
| 2441 * RETURN VALUE: | |
| 2442 * 0 : The location has been written. | |
| 2443 * EINVAL : A parameter is invalid. | |
| 2444 */ | |
|
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|
2445 int fd_msg_avp_hdr ( struct avp *avp, struct avp_hdr ** pdata ); |
| 0 | 2446 |
| 2447 /* | |
| 2448 * FUNCTION: fd_msg_answ_associate, fd_msg_answ_getq, fd_msg_answ_detach | |
| 2449 * | |
| 2450 * PARAMETERS: | |
| 2451 * answer : the received answer message | |
| 2452 * query : the corresponding query that had been sent | |
| 2453 * | |
| 2454 * DESCRIPTION: | |
| 2455 * fd_msg_answ_associate associates a query msg with the received answer. | |
| 2456 * Query is retrieved with fd_msg_answ_getq. | |
| 2457 * If answer message is freed, the query is also freed. | |
| 2458 * If the msg_answ_detach function is called, the association is removed. | |
| 2459 * This is meant to be called from the daemon only. | |
| 2460 * | |
| 2461 * RETURN VALUE: | |
| 2462 * 0 : ok | |
| 2463 * EINVAL: a parameter is invalid | |
| 2464 */ | |
| 2465 int fd_msg_answ_associate( struct msg * answer, struct msg * query ); | |
|
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2466 int fd_msg_answ_getq ( struct msg * answer, struct msg ** query ); |
| 0 | 2467 int fd_msg_answ_detach ( struct msg * answer ); |
| 2468 | |
| 2469 /* | |
| 2470 * FUNCTION: fd_msg_anscb_associate, fd_msg_anscb_get | |
| 2471 * | |
| 2472 * PARAMETERS: | |
|
1014
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|
2473 * msg : the request message |
| 0 | 2474 * anscb : the callback to associate with the message |
| 2475 * data : the data to pass to the callback | |
|
1014
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|
2476 * expirecb : the expiration callback to associate with the message |
|
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|
2477 * timeout : (optional, use NULL if no timeout) a timeout associated with calling the cb. |
| 0 | 2478 * |
| 2479 * DESCRIPTION: | |
|
1014
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|
2480 * Associate or retrieve callbacks with an message. |
| 0 | 2481 * This is meant to be called from the daemon only. |
| 2482 * | |
| 2483 * RETURN VALUE: | |
| 2484 * 0 : ok | |
| 2485 * EINVAL: a parameter is invalid | |
| 2486 */ | |
|
1014
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|
2487 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 ); |
|
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|
2488 int fd_msg_anscb_get( struct msg * msg, void (**anscb)(void *, struct msg **), void (**expirecb)(void *, DiamId_t, size_t, struct msg **), void ** data ); |
|
649
5e5d8152c229
Implemented fd_msg_send_timeout to close #10. Not tested yet.
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|
2489 struct timespec *fd_msg_anscb_gettimeout( struct msg * msg ); /* returns NULL or a valid non-0 timespec */ |
| 0 | 2490 |
| 2491 /* | |
| 2492 * FUNCTION: fd_msg_rt_associate, fd_msg_rt_get | |
| 2493 * | |
| 2494 * PARAMETERS: | |
| 2495 * msg : the query message to be sent | |
| 2496 * list : the ordered list of possible next-peers | |
| 2497 * | |
| 2498 * DESCRIPTION: | |
| 2499 * Associate a routing list with a query, and retrieve it. | |
| 2500 * If the message is freed, the list is also freed. | |
| 2501 * | |
| 2502 * RETURN VALUE: | |
| 2503 * 0 : ok | |
| 2504 * EINVAL: a parameter is invalid | |
| 2505 */ | |
|
1212
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Fix message rtd handling for extensions based on this data
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1193
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|
2506 int fd_msg_rt_associate( struct msg * msg, struct rt_data * rtd ); |
|
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|
2507 int fd_msg_rt_get ( struct msg * msg, struct rt_data ** rtd ); |
| 0 | 2508 |
| 2509 /* | |
| 2510 * FUNCTION: fd_msg_is_routable | |
| 2511 * | |
| 2512 * PARAMETERS: | |
| 2513 * msg : A msg object. | |
| 2514 * | |
| 2515 * DESCRIPTION: | |
| 2516 * This function returns a boolean telling if a given message is routable in the Diameter network, | |
| 2517 * or if it is a local link message only (ex: CER/CEA, DWR/DWA, ...). | |
| 2518 * | |
| 2519 * RETURN VALUE: | |
| 2520 * 0 : The message is not routable / an error occurred. | |
| 2521 * 1 : The message is routable. | |
| 2522 */ | |
| 2523 int fd_msg_is_routable ( struct msg * msg ); | |
| 2524 | |
| 2525 /* | |
| 2526 * FUNCTION: fd_msg_source_(g/s)et | |
| 2527 * | |
| 2528 * PARAMETERS: | |
| 2529 * msg : A msg object. | |
|
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|
2530 * diamid,len : The diameter id of the peer from which this message was received. |
|
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parents:
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diff
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|
2531 * dict : a dictionary with definition of Route-Record AVP (for fd_msg_source_setrr) |
| 0 | 2532 * |
| 2533 * DESCRIPTION: | |
| 2534 * Store or retrieve the diameted id of the peer from which this message was received. | |
| 2535 * Will be used for example by the routing module to add the Route-Record AVP in forwarded requests, | |
| 2536 * or to direct answers to the appropriate peer. | |
| 2537 * | |
| 2538 * RETURN VALUE: | |
| 2539 * 0 : Operation complete. | |
| 2540 * !0 : an error occurred. | |
| 2541 */ | |
|
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|
2542 int fd_msg_source_set( struct msg * msg, DiamId_t diamid, size_t diamidlen ); |
|
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|
2543 int fd_msg_source_setrr( struct msg * msg, DiamId_t diamid, size_t diamidlen, struct dictionary * dict ); |
|
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|
2544 int fd_msg_source_get( struct msg * msg, DiamId_t *diamid, size_t * diamidlen ); |
| 0 | 2545 |
| 2546 /* | |
| 2547 * FUNCTION: fd_msg_eteid_get | |
| 2548 * | |
| 2549 * PARAMETERS: | |
| 2550 * - | |
| 2551 * | |
| 2552 * DESCRIPTION: | |
| 2553 * Get a new unique end-to-end id value for the local peer. | |
| 2554 * | |
| 2555 * RETURN VALUE: | |
| 2556 * The new assigned value. No error code is defined. | |
| 2557 */ | |
| 2558 uint32_t fd_msg_eteid_get ( void ); | |
| 2559 | |
| 2560 | |
|
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|
2561 /* |
|
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|
2562 * FUNCTION: fd_msg_sess_get |
|
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|
2563 * |
|
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|
2564 * PARAMETERS: |
|
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|
2565 * dict : the dictionary that contains the Session-Id AVP definition |
|
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|
2566 * msg : A valid message. |
|
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|
2567 * session : Location to store the session pointer when retrieved. |
|
653
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|
2568 * isnew : Indicates if the session has been created. |
|
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2569 * |
|
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2570 * DESCRIPTION: |
|
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|
2571 * This function retrieves or creates the session object corresponding to a message. |
|
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|
2572 * If the message does not contain a Session-Id AVP, *session == NULL on return. |
|
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|
2573 * Note that the Session-Id AVP must never be modified after created in a message. |
|
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|
2574 * |
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2575 * RETURN VALUE: |
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|
2576 * 0 : success |
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2577 * !0 : standard error code. |
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parents:
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|
2578 */ |
|
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2579 int fd_msg_sess_get(struct dictionary * dict, struct msg * msg, struct session ** session, int * isnew); |
|
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2580 |
|
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
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|
2581 /* This one is used by the libfdcore, you should use fd_msg_new_session rather than fd_sess_new, when possible */ |
|
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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
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parents:
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|
2582 int fd_msg_sess_set(struct msg * msg, struct session * session); |
|
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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
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|
2583 |
|
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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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|
2584 |
|
1098
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changeset
|
2585 /* Helper for the hooks mechanism, for use from libfdcore */ |
|
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|
2586 struct fd_msg_pmdl { |
|
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|
2587 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. */ |
|
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parents:
1097
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|
2588 pthread_mutex_t lock; |
|
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parents:
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|
2589 }; |
|
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parents:
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changeset
|
2590 struct fd_msg_pmdl * fd_msg_pmdl_get(struct msg * msg); |
|
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parents:
1097
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changeset
|
2591 |
|
1102
1d7b3ebda27f
Implemented the calls to HOOK_DATA_RECEIVED hook
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1101
diff
changeset
|
2592 |
| 0 | 2593 /***************************************/ |
| 2594 /* Manage AVP values */ | |
| 2595 /***************************************/ | |
| 2596 | |
| 2597 /* | |
| 2598 * FUNCTION: fd_msg_avp_setvalue | |
| 2599 * | |
| 2600 * PARAMETERS: | |
| 2601 * avp : Pointer to a valid avp object with a NULL avp_value pointer. The model must be known. | |
| 2602 * value : pointer to an avp_value. The content will be COPIED into the internal storage area. | |
| 2603 * If data type is an octetstring, the data is also copied. | |
| 2604 * If value is a NULL pointer, the previous data is erased and value is unset in the AVP. | |
| 2605 * | |
| 2606 * DESCRIPTION: | |
| 2607 * Initialize the avp_value field of an AVP header. | |
| 2608 * | |
| 2609 * RETURN VALUE: | |
| 2610 * 0 : The avp_value pointer has been set. | |
| 2611 * EINVAL : A parameter is invalid. | |
| 2612 */ | |
| 2613 int fd_msg_avp_setvalue ( struct avp *avp, union avp_value *value ); | |
| 2614 | |
| 2615 /* | |
| 2616 * FUNCTION: fd_msg_avp_value_encode | |
| 2617 * | |
| 2618 * PARAMETERS: | |
| 2619 * avp : Pointer to a valid avp object with a NULL avp_value. The model must be known. | |
| 2620 * data : Pointer to the data that must be encoded as AVP value and stored in the AVP. | |
| 2621 * This is only valid for AVPs of derived type for which type_data_encode callback is set. (ex: Address type) | |
| 2622 * | |
| 2623 * DESCRIPTION: | |
| 2624 * Initialize the avp_value field of an AVP object from formatted data, using the AVP's type "type_data_encode" callback. | |
| 2625 * | |
| 2626 * RETURN VALUE: | |
| 2627 * 0 : The avp_value has been set. | |
| 2628 * EINVAL : A parameter is invalid. | |
| 2629 * ENOTSUP : There is no appropriate callback registered with this AVP's type. | |
| 2630 */ | |
| 2631 int fd_msg_avp_value_encode ( void *data, struct avp *avp ); | |
| 2632 /* | |
| 2633 * FUNCTION: fd_msg_avp_value_interpret | |
| 2634 * | |
| 2635 * PARAMETERS: | |
| 2636 * avp : Pointer to a valid avp object with a non-NULL avp_value value. | |
| 2637 * data : Upon success, formatted interpretation of the AVP value is stored here. | |
| 2638 * | |
| 2639 * DESCRIPTION: | |
| 2640 * Interpret the content of an AVP of Derived type and store the result in data pointer. The structure | |
| 2641 * of the data pointer is dependent on the AVP type. This function calls the "type_data_interpret" callback | |
| 2642 * of the type. | |
| 2643 * | |
| 2644 * RETURN VALUE: | |
| 2645 * 0 : The avp_value has been set. | |
| 2646 * EINVAL : A parameter is invalid. | |
| 2647 * ENOTSUP : There is no appropriate callback registered with this AVP's type. | |
| 2648 */ | |
| 2649 int fd_msg_avp_value_interpret ( struct avp *avp, void *data ); | |
| 2650 | |
| 2651 | |
| 2652 /***************************************/ | |
| 2653 /* Message parsing functions */ | |
| 2654 /***************************************/ | |
| 2655 | |
| 2656 /* | |
| 2657 * FUNCTION: fd_msg_bufferize | |
| 2658 * | |
| 2659 * PARAMETERS: | |
| 2660 * msg : A valid msg object. All AVPs must have a value set. | |
| 2661 * buffer : Upon success, this points to a buffer (malloc'd) containing the message ready for network transmission (or security transformations). | |
| 2662 * The buffer may be freed after use. | |
| 2663 * len : if not NULL, the size of the buffer is written here. In any case, this size is updated in the msg header. | |
| 2664 * | |
| 2665 * DESCRIPTION: | |
| 2666 * Renders a message in memory as a buffer that can be sent over the network to the next peer. | |
| 2667 * | |
| 2668 * RETURN VALUE: | |
| 2669 * 0 : The location has been written. | |
| 2670 * EINVAL : The buffer does not contain a valid Diameter message. | |
| 2671 * ENOMEM : Unable to allocate enough memory to create the buffer object. | |
| 2672 */ | |
|
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diff
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|
2673 int fd_msg_bufferize ( struct msg * msg, uint8_t ** buffer, size_t * len ); |
| 0 | 2674 |
| 2675 /* | |
| 2676 * FUNCTION: fd_msg_parse_buffer | |
| 2677 * | |
| 2678 * PARAMETERS: | |
| 2679 * buffer : Pointer to a buffer containing a message received from the network. | |
| 2680 * buflen : the size in bytes of the buffer. | |
| 2681 * msg : Upon success, this points to a valid msg object. No AVP value is resolved in this object, nor grouped AVP. | |
| 2682 * | |
| 2683 * DESCRIPTION: | |
| 2684 * This function parses a buffer an creates a msg object to represent the structure of the message. | |
| 2685 * Since no dictionary lookup is performed, the values of the AVPs are not interpreted. To interpret the values, | |
| 2686 * the returned message object must be passed to fd_msg_parse_dict function. | |
| 2687 * The buffer pointer is saved inside the message and will be freed when not needed anymore. | |
| 2688 * | |
| 2689 * RETURN VALUE: | |
| 2690 * 0 : The location has been written. | |
| 2691 * ENOMEM : Unable to allocate enough memory to create the msg object. | |
| 2692 * EBADMSG : The buffer does not contain a valid Diameter message (or is truncated). | |
| 2693 * EINVAL : A parameter is invalid. | |
| 2694 */ | |
|
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diff
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|
2695 int fd_msg_parse_buffer ( uint8_t ** buffer, size_t buflen, struct msg ** msg ); |
| 0 | 2696 |
|
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diff
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|
2697 /* Parsing Error Information structure */ |
|
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Reporting errors in parse_dict function
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parents:
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diff
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|
2698 struct fd_pei { |
|
5b3868944e2b
Reporting errors in parse_dict function
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
112
diff
changeset
|
2699 char * pei_errcode; /* name of the error code to use */ |
|
891
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Tentative fix for the parse_or_error function
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diff
changeset
|
2700 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
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1213
diff
changeset
|
2701 int pei_avp_free; /* Set to 1 if the pei_avp must be freed */ |
|
114
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|
2702 char * pei_message; /* Overwrite default message if needed */ |
|
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Reporting errors in parse_dict function
Sebastien Decugis <sdecugis@nict.go.jp>
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|
2703 int pei_protoerr; /* do we set the 'E' bit in the error message ? */ |
|
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|
2704 }; |
|
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|
2705 |
| 0 | 2706 /* |
| 2707 * FUNCTION: fd_msg_parse_dict | |
| 2708 * | |
| 2709 * PARAMETERS: | |
| 2710 * object : A msg or AVP object as returned by fd_msg_parse_buffer. | |
| 2711 * dict : the dictionary containing the objects definitions to use for resolving all AVPs. | |
|
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|
2712 * error_info : If not NULL, will contain the detail about error upon return. May be used to generate an error reply. |
| 0 | 2713 * |
| 2714 * DESCRIPTION: | |
| 2715 * This function looks up for the command and each children AVP definitions in the dictionary. | |
| 2716 * If the dictionary definition is found, avp_model is set and the value of the AVP is interpreted accordingly and: | |
| 2717 * - for grouped AVPs, the children AVP are created and interpreted also. | |
| 2718 * - for numerical AVPs, the value is converted to host byte order and saved in the avp_value field. | |
| 2719 * - for octetstring AVPs, the string is copied into a new buffer and its address is saved in avp_value. | |
| 2720 * If the dictionary definition is not found, avp_model is set to NULL and | |
| 2721 * the content of the AVP is saved as an octetstring in an internal structure. avp_value is NULL. | |
|
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changeset
|
2722 * 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 | 2723 * |
| 2724 * RETURN VALUE: | |
| 2725 * 0 : The message has been fully parsed as described. | |
| 2726 * EINVAL : The msg parameter is invalid for this operation. | |
| 2727 * ENOMEM : Unable to allocate enough memory to complete the operation. | |
| 2728 * ENOTSUP : No dictionary definition for the command or one of the mandatory AVP was found. | |
| 2729 */ | |
|
620
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parents:
618
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changeset
|
2730 int fd_msg_parse_dict ( msg_or_avp * object, struct dictionary * dict, struct fd_pei * error_info ); |
|
34
0e2b57789361
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diff
changeset
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2731 |
| 0 | 2732 /* |
| 2733 * FUNCTION: fd_msg_parse_rules | |
| 2734 * | |
| 2735 * PARAMETERS: | |
| 2736 * object : A msg or grouped avp object that must be verified. | |
| 2737 * dict : The dictionary containing the rules definitions. | |
|
34
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diff
changeset
|
2738 * error_info : If not NULL, the first problem information will be saved here. |
| 0 | 2739 * |
| 2740 * DESCRIPTION: | |
| 2741 * Check that the children of the object do not conflict with the dictionary rules (ABNF compliance). | |
| 2742 * | |
| 2743 * RETURN VALUE: | |
| 2744 * 0 : The message has been fully parsed and complies to the defined rules. | |
| 2745 * EBADMSG : A conflict was detected, or a mandatory AVP is unknown in the dictionary. | |
| 2746 * EINVAL : The msg or avp object is invalid for this operation. | |
| 2747 * ENOMEM : Unable to allocate enough memory to complete the operation. | |
| 2748 */ | |
|
620
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diff
changeset
|
2749 int fd_msg_parse_rules ( msg_or_avp * object, struct dictionary * dict, struct fd_pei * error_info); |
|
34
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diff
changeset
|
2750 |
| 0 | 2751 |
| 2752 | |
| 2753 /* | |
| 2754 * FUNCTION: fd_msg_update_length | |
| 2755 * | |
| 2756 * PARAMETERS: | |
| 2757 * object : Pointer to a valid msg or avp. | |
| 2758 * | |
| 2759 * DESCRIPTION: | |
| 2760 * Update the length field of the object passed as parameter. | |
| 2761 * As a side effect, all children objects are also updated. Therefore, all avp_value fields of | |
| 2762 * the children AVPs must be set, or an error will occur. | |
| 2763 * | |
| 2764 * RETURN VALUE: | |
| 2765 * 0 : The size has been recomputed. | |
| 2766 * EINVAL : A parameter is invalid. | |
| 2767 */ | |
| 2768 int fd_msg_update_length ( msg_or_avp * object ); | |
| 2769 | |
| 2770 | |
|
7
e5af94b04946
Added dispatch module and tests
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6
diff
changeset
|
2771 /*============================================================*/ |
|
e5af94b04946
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2772 /* DISPATCH */ |
|
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2773 /*============================================================*/ |
|
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diff
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|
2774 |
|
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6
diff
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|
2775 /* Dispatch module (passing incoming messages to extensions registered callbacks) |
|
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2776 * is split between the library and the daemon. |
|
e5af94b04946
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parents:
6
diff
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|
2777 * |
|
e5af94b04946
Added dispatch module and tests
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parents:
6
diff
changeset
|
2778 * The library provides the support for associating dispatch callbacks with |
|
e5af94b04946
Added dispatch module and tests
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6
diff
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2779 * dictionary objects. |
|
e5af94b04946
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parents:
6
diff
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|
2780 * |
|
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Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
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|
2781 * The daemon is responsible for calling the callbacks for a message when appropriate. |
|
e5af94b04946
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parents:
6
diff
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|
2782 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2783 * |
|
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2784 * The dispatch module has two main roles: |
|
e5af94b04946
Added dispatch module and tests
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6
diff
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2785 * - help determine if a message can be handled locally (during the routing step) |
|
e5af94b04946
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parents:
6
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|
2786 * This decision involves only the application-id of the message. |
|
e5af94b04946
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parents:
6
diff
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2787 * - pass the message to the callback(s) that will handle it (during the dispatch step) |
|
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parents:
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diff
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|
2788 * |
|
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parents:
6
diff
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|
2789 * The first role is handled by the daemon. |
|
e5af94b04946
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parents:
6
diff
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|
2790 * |
|
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parents:
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diff
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|
2791 * About the second, these are the possibilities for registering a dispatch callback: |
|
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parents:
6
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|
2792 * |
|
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parents:
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changeset
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2793 * -> For All messages. |
|
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2794 * This callback is called for all messages that are handled locally. This should be used only |
|
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2795 * for debug purpose. |
|
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|
2796 * |
|
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|
2797 * -> by AVP value (constants only). |
|
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2798 * This callback will be called when a message is received and contains an AVP with a specified enumerated value. |
|
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|
2799 * |
|
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2800 * -> by AVP. |
|
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2801 * This callback will be called when the received message contains a certain AVP. |
|
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6
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2802 * |
|
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|
2803 * -> by command-code. |
|
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2804 * This callback will be called when the message is a specific command (and 'R' flag). |
|
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6
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|
2805 * |
|
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|
2806 * -> by application. |
|
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6
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|
2807 * This callback will be called when the message has a specific application-id. |
|
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6
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|
2808 * |
|
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6
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|
2809 * ( by vendor: would this be useful? it may be added later) |
|
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|
2810 */ |
|
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|
2811 enum disp_how { |
|
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6
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|
2812 DISP_HOW_ANY = 1, /* Any message. This should be only used for debug. */ |
|
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|
2813 DISP_HOW_APPID, /* Any message with the specified application-id */ |
|
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|
2814 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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|
2815 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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|
2816 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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2817 }; |
|
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Added dispatch module and tests
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|
2818 /* |
|
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6
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|
2819 * Several criteria may be selected at the same time, for example command-code AND application id. |
|
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6
diff
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|
2820 * |
|
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Added dispatch module and tests
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6
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changeset
|
2821 * If several callbacks are registered for the same object, they are called in the order they were registered. |
|
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|
2822 * The order in which the callbacks are called is: |
|
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parents:
6
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|
2823 * DISP_HOW_ANY |
|
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6
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2824 * DISP_HOW_AVP_ENUMVAL & DISP_HOW_AVP |
|
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Added dispatch module and tests
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6
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|
2825 * DISP_HOW_CC |
|
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Added dispatch module and tests
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6
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|
2826 * DISP_HOW_APPID |
|
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Added dispatch module and tests
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6
diff
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|
2827 */ |
|
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Added dispatch module and tests
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6
diff
changeset
|
2828 |
|
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Added dispatch module and tests
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parents:
6
diff
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|
2829 /* When a callback is registered, a "when" argument is passed in addition to the disp_how value, |
|
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Added dispatch module and tests
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6
diff
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|
2830 * to specify which values the criteria must match. */ |
|
e5af94b04946
Added dispatch module and tests
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6
diff
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|
2831 struct disp_when { |
|
e5af94b04946
Added dispatch module and tests
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6
diff
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|
2832 struct dict_object * app; |
|
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Added dispatch module and tests
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6
diff
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|
2833 struct dict_object * command; |
|
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Added dispatch module and tests
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6
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|
2834 struct dict_object * avp; |
|
e5af94b04946
Added dispatch module and tests
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6
diff
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|
2835 struct dict_object * value; |
|
e5af94b04946
Added dispatch module and tests
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6
diff
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|
2836 }; |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2837 |
|
e5af94b04946
Added dispatch module and tests
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parents:
6
diff
changeset
|
2838 /* Note that all the dictionary objects should really belong to the same dictionary! |
|
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Added dispatch module and tests
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parents:
6
diff
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|
2839 * |
|
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Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2840 * Here is the details on this "when" argument, depending on the disp_how value. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
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|
2841 * |
|
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Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2842 * DISP_HOW_ANY. |
|
e5af94b04946
Added dispatch module and tests
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parents:
6
diff
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|
2843 * In this case, "when" must be NULL. |
|
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Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
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|
2844 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2845 * DISP_HOW_APPID. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
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|
2846 * Only the "app_id" field must be set, other fields are ignored. It points to a dictionary object of type DICT_APPLICATION. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
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|
2847 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2848 * DISP_HOW_CC. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
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|
2849 * The "command" field must be defined and point to a dictionary object of type DICT_COMMAND. |
|
e5af94b04946
Added dispatch module and tests
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parents:
6
diff
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|
2850 * 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
Added dispatch module and tests
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6
diff
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|
2851 * The other fields are ignored. |
|
e5af94b04946
Added dispatch module and tests
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parents:
6
diff
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|
2852 * |
|
e5af94b04946
Added dispatch module and tests
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parents:
6
diff
changeset
|
2853 * DISP_HOW_AVP. |
|
e5af94b04946
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6
diff
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|
2854 * The "avp" field of the structure must be set and point to a dictionary object of type DICT_AVP. |
|
e5af94b04946
Added dispatch module and tests
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6
diff
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|
2855 * The "app_id" field may be set to restrict the messages matching to a specific app id. |
|
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6
diff
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|
2856 * The "command" field may also be set to a valid DICT_COMMAND object. |
|
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6
diff
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|
2857 * The content of the "value" field is ignored. |
|
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6
diff
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|
2858 * |
|
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6
diff
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|
2859 * DISP_HOW_AVP_ENUMVAL. |
|
e5af94b04946
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6
diff
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|
2860 * All fields have the same constraints and meaning as in DISP_REG_AVP. In addition, the "value" field must be set |
|
e5af94b04946
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6
diff
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|
2861 * and points to a valid DICT_ENUMVAL object. |
|
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6
diff
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|
2862 * |
|
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6
diff
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|
2863 * Here is a sumary of the fields: ( M : must be set; m : may be set; 0 : ignored ) |
|
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6
diff
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|
2864 * field: app_id command avp value |
|
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6
diff
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|
2865 * APPID : M 0 0 0 |
|
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6
diff
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|
2866 * CC : m M 0 0 |
|
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6
diff
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|
2867 * AVP : m m M 0 |
|
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6
diff
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|
2868 * ENUMVA: m m M M |
|
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6
diff
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|
2869 */ |
|
e5af94b04946
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6
diff
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|
2870 |
|
e5af94b04946
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6
diff
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|
2871 enum disp_action { |
|
e5af94b04946
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6
diff
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|
2872 DISP_ACT_CONT, /* The next handler should be called, unless *msg == NULL. */ |
|
90
2c9444152e4b
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88
diff
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|
2873 DISP_ACT_SEND, /* The updated message must be sent. No further callback is called. */ |
|
2c9444152e4b
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diff
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|
2874 DISP_ACT_ERROR /* An error must be created and sent as a reply -- not valid for callbacks, only for fd_msg_dispatch. */ |
|
7
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diff
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|
2875 }; |
|
e5af94b04946
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diff
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|
2876 /* The callbacks that are registered have the following prototype: |
|
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6
diff
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|
2877 * int dispatch_callback( struct msg ** msg, struct avp * avp, struct session * session, enum disp_action * action ); |
|
e5af94b04946
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|
2878 * |
|
e5af94b04946
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6
diff
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|
2879 * CALLBACK: dispatch_callback |
|
e5af94b04946
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6
diff
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|
2880 * |
|
e5af94b04946
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6
diff
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|
2881 * PARAMETERS: |
|
e5af94b04946
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6
diff
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|
2882 * 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
|
2883 * 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
|
2884 * 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
|
2885 * 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
|
2886 * 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
|
2887 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2888 * DESCRIPTION: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2889 * 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
|
2890 * 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
|
2891 * - create an answer for a request. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2892 * - 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
|
2893 * - 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
|
2894 * - ... |
|
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 * 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
|
2897 * 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
|
2898 * 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
|
2899 * - 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
|
2900 * - 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
|
2901 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2902 * RETURN VALUE: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2903 * 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
|
2904 * !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
|
2905 */ |
|
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 /* 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
|
2908 struct disp_hdl; |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2909 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2910 /* |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2911 * FUNCTION: fd_disp_register |
|
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 * PARAMETERS: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2914 * 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
|
2915 * how : How the callback must be registered. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2916 * 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
|
2917 * opaque : A pointer that is passed back to the handler. The content is not interpreted by the framework. |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2918 * handle : On success, a handler to the registered callback is stored here if not NULL. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2919 * 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
|
2920 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2921 * DESCRIPTION: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2922 * 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
|
2923 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2924 * RETURN VALUE: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2925 * 0 : The callback is registered. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2926 * EINVAL : A parameter is invalid. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2927 * ENOMEM : Not enough memory to complete the operation |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2928 */ |
|
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
|
2929 int fd_disp_register ( int (*cb)( struct msg **, struct avp *, struct session *, void *, enum disp_action *), |
|
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
|
2930 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
|
2931 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2932 /* |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2933 * FUNCTION: fd_disp_unregister |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2934 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2935 * PARAMETERS: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2936 * 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
|
2937 * 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
|
2938 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2939 * DESCRIPTION: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2940 * 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
|
2941 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2942 * RETURN VALUE: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2943 * 0 : The callback is unregistered. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2944 * EINVAL : A parameter is invalid. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2945 */ |
|
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
|
2946 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
|
2947 |
|
90
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
88
diff
changeset
|
2948 /* Destroy all handlers */ |
|
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
88
diff
changeset
|
2949 void fd_disp_unregister_all ( void ); |
|
2c9444152e4b
Added the dispatch thread code
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
88
diff
changeset
|
2950 |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2951 /* |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2952 * FUNCTION: fd_msg_dispatch |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2953 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2954 * PARAMETERS: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2955 * 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
|
2956 * 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
|
2957 * 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
|
2958 * error_code : Upon return with action == DISP_ACT_ERROR, contains the error (such as "DIAMETER_UNABLE_TO_COMPLY") |
|
1113
eb4ce68b6e5c
Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1107
diff
changeset
|
2959 * 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
|
2960 * drop_msg : if drop_reason is set, this points to the message to be freed while *msg is NULL. |
|
7
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2961 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2962 * DESCRIPTION: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2963 * Call all handlers registered for a given message. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2964 * 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
|
2965 * 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
|
2966 * 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
|
2967 * |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2968 * RETURN VALUE: |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2969 * 0 : Success. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2970 * EINVAL : A parameter is invalid. |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2971 * (other errors) |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2972 */ |
|
1113
eb4ce68b6e5c
Added calls to remaining hooks
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1107
diff
changeset
|
2973 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
|
2974 |
|
e5af94b04946
Added dispatch module and tests
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
6
diff
changeset
|
2975 |
| 0 | 2976 |
| 2977 /*============================================================*/ | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2978 /* QUEUES */ |
| 0 | 2979 /*============================================================*/ |
| 2980 | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2981 /* Management of FIFO queues of elements */ |
| 0 | 2982 |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2983 /* A queue is an opaque object */ |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2984 struct fifo; |
| 0 | 2985 |
| 2986 /* | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2987 * FUNCTION: fd_fifo_new |
| 0 | 2988 * |
| 2989 * PARAMETERS: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2990 * 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
|
2991 * 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
|
2992 * blocking operation. Use 0 to disable this maximum. |
| 0 | 2993 * |
| 2994 * DESCRIPTION: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2995 * Create a new empty queue. |
| 0 | 2996 * |
| 2997 * RETURN VALUE : | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
2998 * 0 : The queue has been initialized successfully. |
| 0 | 2999 * EINVAL : The parameter is invalid. |
| 3000 * ENOMEM : Not enough memory to complete the creation. | |
| 3001 */ | |
|
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
|
3002 int fd_fifo_new ( struct fifo ** queue, int max ); |
| 0 | 3003 |
| 3004 /* | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3005 * FUNCTION: fd_fifo_del |
| 0 | 3006 * |
| 3007 * PARAMETERS: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3008 * queue : Pointer to an empty queue to delete. |
| 0 | 3009 * |
| 3010 * DESCRIPTION: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3011 * Destroys a queue. This is only possible if no thread is waiting for an element, |
| 0 | 3012 * and the queue is empty. |
| 3013 * | |
| 3014 * RETURN VALUE: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3015 * 0 : The queue has been destroyed successfully. |
| 0 | 3016 * EINVAL : The parameter is invalid. |
| 3017 */ | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3018 int fd_fifo_del ( struct fifo ** queue ); |
| 0 | 3019 |
| 3020 /* | |
|
25
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3021 * FUNCTION: fd_fifo_move |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3022 * |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3023 * PARAMETERS: |
|
653
34373acfbc6a
Added sample C++ file in _sample extension
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
649
diff
changeset
|
3024 * 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
|
3025 * 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
|
3026 * 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
|
3027 * |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3028 * DESCRIPTION: |
|
43
2db15632a63d
Added a large part of connection establishment logic, to test
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
34
diff
changeset
|
3029 * 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
|
3030 * |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3031 * RETURN VALUE: |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3032 * 0 : The queue has been destroyed successfully. |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3033 * EINVAL : A parameter is invalid. |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3034 */ |
|
653
34373acfbc6a
Added sample C++ file in _sample extension
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
649
diff
changeset
|
3035 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
|
3036 |
|
67ca08d5bc48
Completed connection context files
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
24
diff
changeset
|
3037 /* |
|
1060
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3038 * FUNCTION: fd_fifo_getstats |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3039 * |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3040 * PARAMETERS: |
|
1071
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3041 * 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
|
3042 * 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
|
3043 * 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
|
3044 * 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
|
3045 * 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
|
3046 * 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
|
3047 * 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
|
3048 * last : For the last element retrieved from the queue, how long it take between posting (including blocking) and poping |
|
1060
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3049 * |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3050 * DESCRIPTION: |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3051 * 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
|
3052 * |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3053 * RETURN VALUE: |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3054 * 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
|
3055 * EINVAL : A parameter is invalid. |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3056 */ |
|
1071
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3057 int fd_fifo_getstats( struct fifo * queue, int * current_count, int * limit_count, int * highest_count, long long * total_count, |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3058 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
|
3059 |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3060 /* |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3061 * 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
|
3062 * |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3063 * PARAMETERS: |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3064 * 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
|
3065 * |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3066 * DESCRIPTION: |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3067 * 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
|
3068 * |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3069 * RETURN VALUE: |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3070 * 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
|
3071 */ |
|
6ca6cadf209c
Implement the fd_stat_getstats function; changed prototype of fd_fifo_length.
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1067
diff
changeset
|
3072 int fd_fifo_length ( struct fifo * queue ); |
|
1060
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3073 |
|
13fc3fc9c789
New feature in fd_fifo to get timing statistics
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1052
diff
changeset
|
3074 /* |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3075 * FUNCTION: fd_fifo_setthrhd |
| 0 | 3076 * |
| 3077 * PARAMETERS: | |
| 3078 * queue : The queue for which the thresholds are being set. | |
| 3079 * data : An opaque pointer that is passed to h_cb and l_cb callbacks. | |
| 3080 * high : The high-level threshold. If the number of elements in the queue increase to this value, h_cb is called. | |
| 3081 * h_cb : if not NULL, a callback to call when the queue lengh is bigger than "high". | |
| 3082 * low : The low-level threshold. Must be < high. | |
| 3083 * l_cb : If the number of elements decrease to low, this callback is called. | |
| 3084 * | |
| 3085 * DESCRIPTION: | |
| 3086 * This function allows to adjust the number of producer / consumer threads of a queue. | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3087 * If the consumer are slower than the producers, the number of elements in the queue increase. |
| 0 | 3088 * By setting a "high" value, we allow a callback to be called when this number is too high. |
| 3089 * The typical use would be to create an additional consumer thread in this callback. | |
| 3090 * If the queue continues to grow, the callback will be called again when the length is 2 * high, then 3*high, ... N * high | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3091 * (the callback itself should implement a limit on the number of consumers that can be created) |
| 0 | 3092 * When the queue starts to decrease, and the number of elements go under ((N - 1) * high + low, the l_cb callback is called |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3093 * 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 | 3094 * and so on. |
| 3095 * | |
| 3096 * Since there is no destructor for the data pointer, if cleanup operations are required, they should be performed in | |
| 3097 * l_cb when the length of the queue is becoming < low. | |
| 3098 * | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3099 * Note that the callbacks are called synchronously, during fd_fifo_post or fd_fifo_get. Their operation should be quick. |
| 0 | 3100 * |
| 3101 * RETURN VALUE: | |
| 3102 * 0 : The thresholds have been set | |
| 3103 * EINVAL : A parameter is invalid. | |
| 3104 */ | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3105 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 | 3106 |
| 3107 /* | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3108 * FUNCTION: fd_fifo_post |
| 0 | 3109 * |
| 3110 * PARAMETERS: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3111 * queue : The queue in which the element must be posted. |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3112 * item : The element that is put in the queue. |
| 0 | 3113 * |
| 3114 * DESCRIPTION: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3115 * An element is added in a queue. Elements are retrieved from the queue in FIFO order |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3116 * with the fd_fifo_get, fd_fifo_tryget, or fd_fifo_timedget functions. |
| 0 | 3117 * |
| 3118 * RETURN VALUE: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3119 * 0 : The element is queued. |
| 0 | 3120 * EINVAL : A parameter is invalid. |
| 3121 * ENOMEM : Not enough memory to complete the operation. | |
| 3122 */ | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3123 int fd_fifo_post_int ( struct fifo * queue, void ** item ); |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3124 #define fd_fifo_post(queue, item) \ |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3125 fd_fifo_post_int((queue), (void *)(item)) |
| 0 | 3126 |
|
1188
f40de74bd1c7
Don't block PSM during failover
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1186
diff
changeset
|
3127 /* 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
Don't block PSM during failover
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1186
diff
changeset
|
3128 only for failure recovery for example. */ |
|
f40de74bd1c7
Don't block PSM during failover
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1186
diff
changeset
|
3129 int fd_fifo_post_noblock( struct fifo * queue, void ** item ); |
|
f40de74bd1c7
Don't block PSM during failover
Sebastien Decugis <sdecugis@freediameter.net>
parents:
1186
diff
changeset
|
3130 |
| 0 | 3131 /* |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3132 * FUNCTION: fd_fifo_get |
| 0 | 3133 * |
| 3134 * PARAMETERS: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3135 * queue : The queue from which the first element must be retrieved. |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3136 * item : On return, the first element of the queue is stored here. |
| 0 | 3137 * |
| 3138 * DESCRIPTION: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3139 * This function retrieves the first element from a queue. If the queue is empty, the function will block the |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3140 * thread until a new element is posted to the queue, or until the thread is canceled (in which case the |
| 0 | 3141 * function does not return). |
| 3142 * | |
| 3143 * RETURN VALUE: | |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3144 * 0 : A new element has been retrieved. |
| 0 | 3145 * EINVAL : A parameter is invalid. |
| 3146 */ | |
|
620
bc7328e600f0
Removed the OUTPUT specification for SWIG, too complex
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
618
diff
changeset
|
3147 int fd_fifo_get_int ( struct fifo * queue, void ** item ); |
|
8
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3148 #define fd_fifo_get(queue, item) \ |
|
3e143f047f78
Backup for the week-end
Sebastien Decugis <sdecugis@nict.go.jp>
parents:
7
diff
changeset
|
3149 fd_fifo_get_int((queue), (void *)(item)) |
| 0 | 3150 |
| 3151 /* | |
|
8
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3152 * FUNCTION: fd_fifo_tryget |
| 0 | 3153 * |
| 3154 * PARAMETERS: | |
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3155 * queue : The queue from which the element must be retrieved. |
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3156 * item : On return, the first element of the queue is stored here. |
| 0 | 3157 * |
| 3158 * DESCRIPTION: | |
|
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3159 * This function is similar to fd_fifo_get, except that it will not block if |
| 0 | 3160 * the queue is empty, but return EWOULDBLOCK instead. |
| 3161 * | |
| 3162 * RETURN VALUE: | |
|
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3163 * 0 : A new element has been retrieved. |
| 0 | 3164 * EINVAL : A parameter is invalid. |
| 3165 * EWOULDBLOCK : The queue was empty. | |
| 3166 */ | |
|
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3167 int fd_fifo_tryget_int ( struct fifo * queue, void ** item ); |
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3168 #define fd_fifo_tryget(queue, item) \ |
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3169 fd_fifo_tryget_int((queue), (void *)(item)) |
| 0 | 3170 |
| 3171 /* | |
|
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3172 * FUNCTION: fd_fifo_timedget |
| 0 | 3173 * |
| 3174 * PARAMETERS: | |
|
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3175 * queue : The queue from which the element must be retrieved. |
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3176 * item : On return, the element is stored here. |
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3177 * abstime : the absolute time until which we allow waiting for an item. |
| 0 | 3178 * |
| 3179 * DESCRIPTION: | |
|
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3180 * This function is similar to fd_fifo_get, except that it will block if the queue is empty |
| 0 | 3181 * only until the absolute time abstime (see pthread_cond_timedwait for + info). |
| 3182 * If the queue is still empty when the time expires, the function returns ETIMEDOUT | |
| 3183 * | |
| 3184 * RETURN VALUE: | |
|
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3185 * 0 : A new item has been retrieved. |
| 0 | 3186 * EINVAL : A parameter is invalid. |
|
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3187 * ETIMEDOUT : The time out has passed and no item has been received. |
| 0 | 3188 */ |
|
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3189 int fd_fifo_timedget_int ( struct fifo * queue, void ** item, const struct timespec *abstime ); |
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3190 #define fd_fifo_timedget(queue, item, abstime) \ |
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3191 fd_fifo_timedget_int((queue), (void *)(item), (abstime)) |
| 0 | 3192 |
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3193 |
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3194 /* |
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3195 * FUNCTION: fd_fifo_select |
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3196 * |
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3197 * PARAMETERS: |
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3198 * queue : The queue to test. |
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3199 * abstime : the absolute time until which we can block waiting for an item. If NULL, the function returns immediatly. |
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3200 * |
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3201 * DESCRIPTION: |
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3202 * This function is similar to select(), it waits for data to be available in the queue |
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3203 * until the abstime is expired. |
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3204 * Upon function entry, even if abstime is already expired the data availability is tested. |
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3205 * |
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3206 * RETURN VALUE: |
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3207 * 0 : timeout expired without available data. |
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3208 * <0 : An error occurred (e.g., -EINVAL...) |
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3209 * >0 : data is available. The next call to fd_fifo_get will not block. |
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3210 */ |
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3211 int fd_fifo_select ( struct fifo * queue, const struct timespec *abstime ); |
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3212 |
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3213 |
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3214 |
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3215 /* Dump a fifo list and optionally its inner elements -- beware of deadlocks! */ |
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3216 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' */ |
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3217 DECLARE_FD_DUMP_PROTOTYPE(fd_fifo_dump, char * name, struct fifo * queue, fd_fifo_dump_item_cb dump_item); |
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3218 |
|
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3219 #ifdef __cplusplus |
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3220 } |
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3221 #endif |
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3222 |
|
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3223 #endif /* _LIBFDPROTO_H */ |