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annotate libfdcore/core.c @ 1033:000e1904074c

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Fix a number of additional warnings
author Sebastien Decugis <sdecugis@freediameter.net>
date Tue, 16 Apr 2013 11:45:52 +0800
parents 0117a7746b21
children f4a73a991623
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*********************************************************************************************************
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2 * Software License Agreement (BSD License) *
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3 * Author: Sebastien Decugis <sdecugis@freediameter.net> *
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4 * *
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5 * Copyright (c) 2013, WIDE Project and NICT *
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6 * All rights reserved. *
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7 * *
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8 * Redistribution and use of this software in source and binary forms, with or without modification, are *
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9 * permitted provided that the following conditions are met: *
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10 * *
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11 * * Redistributions of source code must retain the above *
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12 * copyright notice, this list of conditions and the *
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13 * following disclaimer. *
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14 * *
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15 * * Redistributions in binary form must reproduce the above *
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16 * copyright notice, this list of conditions and the *
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17 * following disclaimer in the documentation and/or other *
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18 * materials provided with the distribution. *
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19 * *
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20 * * Neither the name of the WIDE Project or NICT nor the *
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21 * names of its contributors may be used to endorse or *
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22 * promote products derived from this software without *
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23 * specific prior written permission of WIDE Project and *
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24 * NICT. *
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25 * *
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
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29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
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30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
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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 OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
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33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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34 *********************************************************************************************************/
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35
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36 #include "fdcore-internal.h"
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37
1033
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38 #pragma GCC diagnostic push
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39 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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40 #include <gcrypt.h>
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41 #pragma GCC diagnostic pop
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42
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43 /* The static configuration structure */
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44 static struct fd_config g_conf;
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45 struct fd_config * fd_g_config = NULL;
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47 /* gcrypt functions to support posix threads */
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48 #ifndef GNUTLS_VERSION_210
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49 GCRY_THREAD_OPTION_PTHREAD_IMPL;
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50 #endif /* GNUTLS_VERSION_210 */
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51
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52 /* Signal extensions when the framework is completely initialized (they are waiting in fd_core_waitstartcomplete()) */
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53 static int is_ready = 0;
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54 static pthread_mutex_t is_ready_mtx = PTHREAD_MUTEX_INITIALIZER;
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55 static pthread_cond_t is_ready_cnd = PTHREAD_COND_INITIALIZER;
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56
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57 static int signal_framework_ready(void)
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58 {
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59 TRACE_ENTRY("");
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60 CHECK_POSIX( pthread_mutex_lock( &is_ready_mtx ) );
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61 is_ready = 1;
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62 CHECK_POSIX( pthread_cond_broadcast( &is_ready_cnd ) );
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63 CHECK_POSIX( pthread_mutex_unlock( &is_ready_mtx ) );
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64 return 0;
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65 }
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66
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67 /* Thread that process incoming events on the main queue -- and terminates the framework when requested */
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68 static pthread_t core_runner = (pthread_t)NULL;
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69
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70 /* How the thread is terminated */
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71 enum core_mode {
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72 CORE_MODE_EVENTS,
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73 CORE_MODE_IMMEDIATE
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74 };
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75
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76 static void * core_runner_thread(void * arg)
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77 {
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78 if (arg && (*(int *)arg == CORE_MODE_IMMEDIATE))
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79 goto end;
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80
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81 fd_log_threadname("fD Core Runner");
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82
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83 /* Handle events incoming on the main event queue */
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84 while (1) {
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85 int code; size_t sz; void * data;
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86 CHECK_FCT_DO( fd_event_get(fd_g_config->cnf_main_ev, &code, &sz, &data), break );
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87 switch (code) {
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88 case FDEV_DUMP_DICT:
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89 fd_dict_dump(fd_g_config->cnf_dict);
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90 break;
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91
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92 case FDEV_DUMP_EXT:
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93 fd_ext_dump();
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94 break;
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95
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96 case FDEV_DUMP_SERV:
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97 fd_servers_dump();
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98 break;
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99
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100 case FDEV_DUMP_QUEUES:
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101 fd_fifo_dump(0, "Incoming messages", fd_g_incoming, fd_msg_dump_walk);
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102 fd_fifo_dump(0, "Outgoing messages", fd_g_outgoing, fd_msg_dump_walk);
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103 fd_fifo_dump(0, "Local messages", fd_g_local, fd_msg_dump_walk);
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104 break;
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105
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106 case FDEV_DUMP_CONFIG:
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107 fd_conf_dump();
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108 break;
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109
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110 case FDEV_DUMP_PEERS:
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111 fd_peer_dump_list(FULL);
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112 break;
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113
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114 case FDEV_TRIGGER:
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115 {
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116 int tv, *p;
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117 CHECK_PARAMS_DO( sz == sizeof(int),
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118 {
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119 TRACE_DEBUG(NONE, "Internal error: got FDEV_TRIGGER without trigger value!");
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120 ASSERT(0);
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121 goto end;
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122 } );
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123 p = data;
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124 tv = *p;
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125 free(p);
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126 CHECK_FCT_DO( fd_event_trig_call_cb(tv), goto end );
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127 }
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128 break;
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129
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130 case FDEV_TERMINATE:
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131 goto end;
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132
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133 default:
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2091bf698fb1 Remove newlines from fd_log_debug, TRACE_DEBUG, TRACE_ERROR, and TRACE_DEBUG_ERROR
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parents: 961
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134 TRACE_DEBUG(INFO, "Unexpected event in the main event queue (%d), ignored.", code);
658
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135 }
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136 }
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137
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138 end:
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139 TRACE_DEBUG(INFO, FD_PROJECT_BINARY " framework is stopping...");
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16c373df0947 Cleanups
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140 fd_log_threadname("fD Core Shutdown");
658
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141
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142 /* cleanups */
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143 CHECK_FCT_DO( fd_servers_stop(), /* Stop accepting new connections */ );
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144 CHECK_FCT_DO( fd_rtdisp_cleanstop(), /* Stop dispatch thread(s) after a clean loop if possible */ );
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145 CHECK_FCT_DO( fd_peer_fini(), /* Stop all connections */ );
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146 CHECK_FCT_DO( fd_rtdisp_fini(), /* Stop routing threads and destroy routing queues */ );
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147
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148 CHECK_FCT_DO( fd_ext_term(), /* Cleanup all extensions */ );
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149 CHECK_FCT_DO( fd_rtdisp_cleanup(), /* destroy remaining handlers */ );
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150
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151 GNUTLS_TRACE( gnutls_global_deinit() );
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152
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153 CHECK_FCT_DO( fd_conf_deinit(), );
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154
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155 CHECK_FCT_DO( fd_event_trig_fini(), );
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156
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157 fd_log_debug(FD_PROJECT_BINARY " framework is terminated.");
658
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158
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159 fd_libproto_fini();
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160
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161 return NULL;
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162 }
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163
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164 /*********************************/
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165 /* Public interfaces */
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166
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167 /* Return a string describing the version of the library */
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168 const char *fd_core_version(void)
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169 {
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170 return _stringize(FD_PROJECT_VERSION_MAJOR) "." _stringize(FD_PROJECT_VERSION_MINOR) "." _stringize(FD_PROJECT_VERSION_REV);
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171 }
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172
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173 /* Initialize the libfdcore internals. This also initializes libfdproto */
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174 int fd_core_initialize(void)
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175 {
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176 int ret;
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177
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178 /* Initialize the library -- must come first since it initializes the debug facility */
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179 ret = fd_libproto_init();
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180 if (ret != 0) {
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181 fprintf(stderr, "Unable to initialize libfdproto: %s\n", strerror(ret));
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182 return ret;
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183 }
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184
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185 TRACE_DEBUG(INFO, "libfdproto initialized.");
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186
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187 /* Name this thread */
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188 fd_log_threadname("Main");
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189
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190 /* Initialize gcrypt and gnutls */
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191 #ifndef GNUTLS_VERSION_210
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192 GNUTLS_TRACE( (void) gcry_control (GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread) );
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193 GNUTLS_TRACE( (void) gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0) );
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36821971d47b Renamed GNUTLS_NEW_VERSION and added GNUTLS_VERSION_300 to prepare for API change in gnutls
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194 #endif /* GNUTLS_VERSION_210 */
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195 CHECK_GNUTLS_DO( gnutls_global_init(), return EINVAL );
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196 if ( ! gnutls_check_version(GNUTLS_VERSION) ) {
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1e1d6f94cd94 Remove more newlines.
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197 TRACE_ERROR( "The GNUTLS library is too old; found '%s', need '" GNUTLS_VERSION "'", gnutls_check_version(NULL));
658
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198 return EINVAL;
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199 } else {
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200 #ifdef GNUTLS_VERSION_210
746
96c75744d3c4 Attempt to support newer GNU TLS libraries. Need more work...
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201 TRACE_DEBUG(INFO, "libgnutls '%s' initialized.", gnutls_check_version(NULL) );
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202 #else /* GNUTLS_VERSION_210 */
658
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203 TRACE_DEBUG(INFO, "libgnutls '%s', libgcrypt '%s', initialized.", gnutls_check_version(NULL), gcry_check_version(NULL) );
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36821971d47b Renamed GNUTLS_NEW_VERSION and added GNUTLS_VERSION_300 to prepare for API change in gnutls
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diff changeset
204 #endif /* GNUTLS_VERSION_210 */
658
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205 }
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206
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diff changeset
207 /* Initialize the config with default values */
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f83d9878bf66 Fixed in case of termination of several modules (before initialization completed)
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diff changeset
208 memset(&g_conf, 0, sizeof(struct fd_config));
f83d9878bf66 Fixed in case of termination of several modules (before initialization completed)
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209 fd_g_config = &g_conf;
658
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210 CHECK_FCT( fd_conf_init() );
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8c3dc8584dab Prepared capability for messages logging to separate files / folders
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211
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diff changeset
212 /* Initialize the message logging facility */
689
933d098fc75d Cleanups in msg_log feature
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diff changeset
213 fd_msg_log_init(fd_g_config->cnf_dict);
658
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214
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215 /* Add definitions of the base protocol */
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diff changeset
216 CHECK_FCT( fd_dict_base_protocol(fd_g_config->cnf_dict) );
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217
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218 /* Initialize some modules */
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219 CHECK_FCT( fd_queues_init() );
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diff changeset
220 CHECK_FCT( fd_msg_init() );
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diff changeset
221 CHECK_FCT( fd_sess_start() );
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diff changeset
222 CHECK_FCT( fd_p_expi_init() );
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223
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224 /* Next thing is to parse the config, leave this for a different function */
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225 return 0;
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226 }
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227
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228 /* Parse the freeDiameter.conf configuration file, load the extensions */
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cce5d4bace82 Make config file parameter const and convert another fprintf to TRACE_DEBUG_ERROR.
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diff changeset
229 int fd_core_parseconf(const char * conffile)
658
f198d16fa7f4 Initial commit for 1.1.0:
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diff changeset
230 {
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231 TRACE_ENTRY("%p", conffile);
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232
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233 /* Conf file */
f198d16fa7f4 Initial commit for 1.1.0:
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diff changeset
234 if (conffile)
f198d16fa7f4 Initial commit for 1.1.0:
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diff changeset
235 fd_g_config->cnf_file = conffile; /* otherwise, we use the default name */
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diff changeset
236
f198d16fa7f4 Initial commit for 1.1.0:
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diff changeset
237 CHECK_FCT( fd_conf_parse() );
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diff changeset
238
f198d16fa7f4 Initial commit for 1.1.0:
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diff changeset
239 /* The following module use data from the configuration */
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diff changeset
240 CHECK_FCT( fd_rtdisp_init() );
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diff changeset
241
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242 /* Now, load all dynamic extensions */
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diff changeset
243 CHECK_FCT( fd_ext_load() );
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diff changeset
244
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diff changeset
245 /* Display configuration */
f198d16fa7f4 Initial commit for 1.1.0:
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diff changeset
246 fd_conf_dump();
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247
f198d16fa7f4 Initial commit for 1.1.0:
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248 /* Display registered triggers for FDEV_TRIGGER */
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diff changeset
249 fd_event_trig_dump();
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250
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251 return 0;
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252 }
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253
f198d16fa7f4 Initial commit for 1.1.0:
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254 /* For threads that would need to wait complete start of the framework (ex: in extensions) */
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diff changeset
255 int fd_core_waitstartcomplete(void)
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diff changeset
256 {
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257 int ret = 0;
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258
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259 TRACE_ENTRY("");
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260
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261 CHECK_POSIX( pthread_mutex_lock( &is_ready_mtx ) );
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262 pthread_cleanup_push( fd_cleanup_mutex, &is_ready_mtx );
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263
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264 while (!ret && !is_ready) {
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265 CHECK_POSIX_DO( ret = pthread_cond_wait( &is_ready_cnd, &is_ready_mtx ), );
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266 }
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267
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268 pthread_cleanup_pop( 0 );
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269 CHECK_POSIX( pthread_mutex_unlock( &is_ready_mtx ) );
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270
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271 return ret;
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272 }
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273
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274 /* Start the server & client threads */
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275 int fd_core_start(void)
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276 {
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277 /* Start server threads */
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278 CHECK_FCT( fd_servers_start() );
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279
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280 /* Start the peer state machines */
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281 CHECK_FCT( fd_psm_start() );
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282
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283 /* Start the core runner thread that handles main events (until shutdown) */
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284 CHECK_POSIX( pthread_create(&core_runner, NULL, core_runner_thread, NULL) );
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285
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286 /* Unlock threads waiting into fd_core_waitstartcomplete */
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287 CHECK_FCT( signal_framework_ready() );
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288
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289 /* Ok, everything is running now... */
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290 return 0;
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291 }
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292
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293
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294 /* Initialize shutdown of the framework. This is not blocking. */
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295 int fd_core_shutdown(void)
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296 {
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297 if (core_runner != (pthread_t)NULL) {
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298 /* Signal the framework to terminate */
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299 CHECK_FCT( fd_event_send(fd_g_config->cnf_main_ev, FDEV_TERMINATE, 0, NULL) );
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300 } else {
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301 /* The framework was maybe not fully initialized (ex: tests) */
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302 enum core_mode arg = CORE_MODE_IMMEDIATE;
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303 (void) core_runner_thread(&arg);
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304 }
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305
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306 return 0;
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307 }
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308
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309
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310 /* Wait for the shutdown to be complete -- this must always be called after fd_core_shutdown to relaim some resources. */
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311 int fd_core_wait_shutdown_complete(void)
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312 {
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313 int ret;
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314 void * th_ret = NULL;
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315
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316 if (core_runner != (pthread_t)NULL) {
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317 /* Just wait for core_runner_thread to complete and return gracefully */
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318 ret = pthread_join(core_runner, &th_ret);
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319 if (ret != 0) {
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320 TRACE_ERROR( "Unable to wait for main framework thread termination: %s", strerror(ret));
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321 return ret;
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322 }
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323 }
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324
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325 return 0;
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326 }
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327
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328
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329
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330
"Welcome to our mercurial repository"