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annotate freeDiameter/main.c @ 13:ef9ef3bf4752

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Progress on peer state machine
author Sebastien Decugis <sdecugis@nict.go.jp>
date Wed, 30 Sep 2009 18:25:46 +0900
parents 418d2ce80dc8
children 14cf6daf716d
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1 /*********************************************************************************************************
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2 * Software License Agreement (BSD License) *
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3 * Author: Sebastien Decugis <sdecugis@nict.go.jp> *
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4 * *
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5 * Copyright (c) 2009, 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
1
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36 #include "fD.h"
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37
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38 #include <signal.h>
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39 #include <getopt.h>
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40
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41 /* forward declarations */
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42 static void * sig_hdl(void * arg);
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43 static int main_cmdline(int argc, char *argv[]);
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44
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45 /* The static configuration structure */
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46 static struct fd_config conf;
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47 struct fd_config * fd_g_config = &conf;
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48
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49 /* freeDiameter starting point */
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50 int main(int argc, char * argv[])
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51 {
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52 int ret;
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53 pthread_t sig_th;
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54 sigset_t sig_all;
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55
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56 memset(fd_g_config, 0, sizeof(struct fd_config));
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57 sigfillset(&sig_all);
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58 CHECK_POSIX( pthread_sigmask(SIG_BLOCK, &sig_all, NULL) );
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59
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60 /* Initialize the library */
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61 CHECK_FCT( fd_lib_init() );
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62
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63 /* Name this thread */
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64 fd_log_threadname("Main");
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65
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66 /* Initialize the config */
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67 CHECK_FCT( fd_conf_init() );
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68
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69 /* Parse the command-line */
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70 CHECK_FCT( main_cmdline(argc, argv) );
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71
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72 /* Allow SIGINT and SIGTERM from this point */
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73 CHECK_POSIX( pthread_create(&sig_th, NULL, sig_hdl, NULL) );
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74
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75 /* Add definitions of the base protocol */
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76 CHECK_FCT( fd_dict_base_protocol(fd_g_config->cnf_dict) );
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77
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78 /* Initialize other modules */
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79 CHECK_FCT( fd_ext_init() );
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80 CHECK_FCT( fd_queues_init() );
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81 CHECK_FCT( fd_msg_init() );
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82 CHECK_FCT( fd_peer_init() );
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83
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84 /* Parse the configuration file */
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85 CHECK_FCT( fd_conf_parse() );
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86
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87 /* Load the dynamic extensions */
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88 CHECK_FCT( fd_ext_load() );
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89
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90 /* Start the peer state machines */
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91 CHECK_FCT( fd_psm_start() );
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92
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93 /* Now, just wait for events */
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94 TRACE_DEBUG(INFO, FD_PROJECT_BINARY " daemon initialized.");
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95 fd_conf_dump();
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96 while (1) {
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97 int code;
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98 CHECK_FCT_DO( fd_event_get(fd_g_config->cnf_main_ev, &code, NULL), break );
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99 switch (code) {
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100 case FDEV_DUMP_DICT:
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101 fd_dict_dump(fd_g_config->cnf_dict);
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102 break;
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103
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104 case FDEV_DUMP_EXT:
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105 fd_ext_dump();
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106 break;
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107
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108 case FDEV_DUMP_QUEUES:
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109 fd_fifo_dump(0, "Incoming messages", fd_g_incoming, fd_msg_dump_walk);
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110 fd_fifo_dump(0, "Outgoing messages", fd_g_outgoing, fd_msg_dump_walk);
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111 fd_fifo_dump(0, "Local messages", fd_g_local, fd_msg_dump_walk);
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112 break;
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113
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114 case FDEV_DUMP_CONFIG:
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115 fd_conf_dump();
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116 break;
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117
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118 case FDEV_DUMP_PEERS:
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119 fd_peer_dump_list(FULL);
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120 break;
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121
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122 case FDEV_TERMINATE:
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123 ret = 0;
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124 goto end;
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125
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126 default:
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127 TRACE_DEBUG(INFO, "Unexpected event in the daemon (%d), ignored.\n", code);
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128 }
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129 }
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130
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131 end:
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132 TRACE_DEBUG(INFO, FD_PROJECT_BINARY " daemon is stopping...");
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133
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134 /* cleanups */
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135 CHECK_FCT_DO( fd_ext_fini(), /* continue */ );
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136 CHECK_FCT_DO( fd_thr_term(&sig_th), /* continue */ );
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137
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138 return ret;
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139 }
8
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140
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141 /* Display package version */
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142 static void main_version_core(void)
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143 {
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144 printf("%s, version %d.%d.%d"
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145 #ifdef HG_VERSION
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146 " (r%s"
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147 # ifdef PACKAGE_HG_REVISION
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148 "/%s"
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149 # endif /* PACKAGE_HG_VERSION */
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150 ")"
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151 #endif /* HG_VERSION */
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152 "\n",
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153 FD_PROJECT_NAME, FD_PROJECT_VERSION_MAJOR, FD_PROJECT_VERSION_MINOR, FD_PROJECT_VERSION_REV
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154 #ifdef HG_VERSION
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155 , HG_VERSION
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156 # ifdef PACKAGE_HG_REVISION
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157 , PACKAGE_HG_REVISION
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158 # endif /* PACKAGE_HG_VERSION */
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159 #endif /* HG_VERSION */
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160 );
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161 }
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162
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163 /* Display package version and general info */
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164 static void main_version(void)
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165 {
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166 main_version_core();
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167 printf( "%s\n", FD_PROJECT_COPYRIGHT);
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168 printf( "\nSee " FD_PROJECT_NAME " homepage at http://aaa.koganei.wide.ad.jp/\n"
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169 " for information, updates and bug reports on this software.\n");
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170 }
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171
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172 /* Print command-line options */
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173 static void main_help( void )
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174 {
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175 main_version_core();
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176 printf( " This daemon is an implementation of the Diameter protocol\n"
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177 " used for Authentication, Authorization, and Accounting (AAA).\n");
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178 printf("\nUsage: " FD_PROJECT_BINARY " [OPTIONS]...\n");
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179 printf( " -h, --help Print help and exit\n"
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180 " -V, --version Print version and exit\n"
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181 " -c, --config=filename Read configuration from this file instead of the \n"
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182 " default location (%s).\n", DEFAULT_CONF_FILE);
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183 printf( "\nDebug:\n"
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184 " These options are mostly useful for developers\n"
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185 " -d, --debug Increase verbosity of debug messages\n"
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186 " -q, --quiet Decrease verbosity then remove debug messages\n");
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187 }
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188
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189 /* Parse the command-line */
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190 static int main_cmdline(int argc, char *argv[])
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191 {
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192 int c;
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193 int option_index = 0;
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194
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195 struct option long_options[] = {
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196 { "help", 0, NULL, 'h' },
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197 { "version", 0, NULL, 'V' },
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198 { "config", 1, NULL, 'c' },
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199 { "debug", 0, NULL, 'd' },
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200 { "quiet", 0, NULL, 'q' },
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201 { NULL, 0, NULL, 0 }
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202 };
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203
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204 TRACE_ENTRY("%d %p", argc, argv);
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205
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206 /* Loop on arguments */
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207 while (1) {
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208 c = getopt_long (argc, argv, "hVc:dq", long_options, &option_index);
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209 if (c == -1)
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210 break; /* Exit from the loop. */
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211
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212 switch (c) {
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213 case 'h': /* Print help and exit. */
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214 main_help();
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215 exit(0);
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216
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217 case 'V': /* Print version and exit. */
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218 main_version();
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219 exit(0);
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220
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221 case 'c': /* Read configuration from this file instead of the default location.. */
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222 CHECK_PARAMS( optarg );
10
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223 fd_g_config->cnf_file = optarg;
8
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224 break;
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225
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226 case 'd': /* Increase verbosity of debug messages. */
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227 fd_g_debug_lvl++;
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228 break;
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229
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230 case 'q': /* Decrease verbosity then remove debug messages. */
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231 fd_g_debug_lvl--;
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232 break;
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233
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234 case '?': /* Invalid option. */
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235 /* `getopt_long' already printed an error message. */
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236 TRACE_DEBUG(INFO, "getopt_long found an invalid character\n");
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237 return EINVAL;
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238
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239 default: /* bug: option not considered. */
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240 TRACE_DEBUG(INFO, "A command-line option is missing in parser: %c\n", c);
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241 ASSERT(0);
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242 return EINVAL;
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243 }
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244 }
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245
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246 return 0;
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247
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248 }
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249
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250 #ifdef HAVE_SIGNALENT_H
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251 const char *const signalstr[] = {
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252 # include "signalent.h"
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253 };
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254 const int nsignalstr = sizeof signalstr / sizeof signalstr[0];
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255 # define SIGNALSTR(sig) (((sig) < nsignalstr) ? signalstr[(sig)] : "unknown")
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256 #else /* HAVE_SIGNALENT_H */
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257 # define SIGNALSTR(sig) ("")
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258 #endif /* HAVE_SIGNALENT_H */
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259
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260 /* signal handler */
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261 static void * sig_hdl(void * arg)
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262 {
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263 sigset_t sig_main;
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264 int sig = 0;
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265
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266 TRACE_ENTRY();
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267 fd_log_threadname("Main signal handler");
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268
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269 sigemptyset(&sig_main);
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270 sigaddset(&sig_main, SIGINT);
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271 sigaddset(&sig_main, SIGTERM);
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272
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273 CHECK_SYS_DO( sigwait(&sig_main, &sig), TRACE_DEBUG(INFO, "Error in sigwait function") );
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274
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275 TRACE_DEBUG(INFO, "Received signal %s (%d), exiting", SIGNALSTR(sig), sig);
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276 CHECK_FCT_DO( fd_event_send(fd_g_config->cnf_main_ev, FDEV_TERMINATE, NULL), exit(2) );
8
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277 return NULL;
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278 }
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279
"Welcome to our mercurial repository"