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annotate freeDiameter/main.c @ 8:3e143f047f78

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Backup for the week-end
author Sebastien Decugis <sdecugis@nict.go.jp>
date Fri, 18 Sep 2009 18:54:07 +0900
parents ef303f1078ab
children fc7c18867cf7
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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
8
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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
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42 /* Display package version */
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43 static void main_version_core(void)
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44 {
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45 printf("%s, version %d.%d.%d"
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46 #ifdef HG_VERSION
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47 " (r%s"
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48 # ifdef PACKAGE_HG_REVISION
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49 "/%s"
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50 # endif /* PACKAGE_HG_VERSION */
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51 ")"
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52 #endif /* HG_VERSION */
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53 "\n",
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54 FD_PROJECT_NAME, FD_PROJECT_VERSION_MAJOR, FD_PROJECT_VERSION_MINOR, FD_PROJECT_VERSION_REV
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55 #ifdef HG_VERSION
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56 , HG_VERSION
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57 # ifdef PACKAGE_HG_REVISION
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58 , PACKAGE_HG_REVISION
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59 # endif /* PACKAGE_HG_VERSION */
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60 #endif /* HG_VERSION */
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61 );
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62 }
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63
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64 /* Display package version and general info */
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65 static void main_version(void)
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66 {
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67 main_version_core();
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68 printf( "%s\n", FD_PROJECT_COPYRIGHT);
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69 printf( "\nSee " FD_PROJECT_NAME " homepage at http://aaa.koganei.wide.ad.jp/\n"
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70 " for information, updates and bug reports on this software.\n");
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71 }
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72
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73 /* Print command-line options */
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74 static void main_help( void )
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75 {
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76 main_version_core();
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77 printf( " This daemon is an implementation of the Diameter protocol\n"
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78 " used for Authentication, Authorization, and Accounting (AAA).\n");
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79 printf("\nUsage: " FD_PROJECT_BINARY " [OPTIONS]...\n");
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80 printf( " -h, --help Print help and exit\n"
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81 " -V, --version Print version and exit\n"
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82 " -c, --config=filename Read configuration from this file instead of the \n"
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83 " default location (%s).\n", DEFAULT_CONF_FILE);
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84 printf( "\nDebug:\n"
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85 " These options are mostly useful for developers\n"
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86 " -d, --debug Increase verbosity of debug messages\n"
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87 " -q, --quiet Decrease verbosity then remove debug messages\n");
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88 }
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89
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90 /* Parse the command-line */
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91 static int main_cmdline(int argc, char *argv[])
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92 {
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93 int c;
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94 int option_index = 0;
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95
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96 struct option long_options[] = {
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97 { "help", 0, NULL, 'h' },
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98 { "version", 0, NULL, 'V' },
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99 { "config", 1, NULL, 'c' },
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100 { "debug", 0, NULL, 'd' },
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101 { "quiet", 0, NULL, 'q' },
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102 { NULL, 0, NULL, 0 }
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103 };
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104
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105 TRACE_ENTRY("%d %p", argc, argv);
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106
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107 /* Loop on arguments */
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108 while (1) {
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109 c = getopt_long (argc, argv, "hVc:dq", long_options, &option_index);
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110 if (c == -1)
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111 break; /* Exit from the loop. */
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112
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113 switch (c) {
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114 case 'h': /* Print help and exit. */
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115 main_help();
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116 exit(0);
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117
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118 case 'V': /* Print version and exit. */
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119 main_version();
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120 exit(0);
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121
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122 case 'c': /* Read configuration from this file instead of the default location.. */
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123 CHECK_PARAMS( optarg );
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124 fd_g_config->conf_file = optarg;
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125 break;
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126
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127 case 'd': /* Increase verbosity of debug messages. */
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128 fd_g_debug_lvl++;
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129 break;
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130
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131 case 'q': /* Decrease verbosity then remove debug messages. */
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132 fd_g_debug_lvl--;
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133 break;
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134
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135 case '?': /* Invalid option. */
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136 /* `getopt_long' already printed an error message. */
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diff changeset
137 TRACE_DEBUG(INFO, "getopt_long found an invalid character\n");
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138 return EINVAL;
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139
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140 default: /* bug: option not considered. */
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141 TRACE_DEBUG(INFO, "A command-line option is missing in parser: %c\n", c);
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142 ASSERT(0);
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143 return EINVAL;
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144 }
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145 }
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146
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147 return 0;
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148
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149 }
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150
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151 #ifdef HAVE_SIGNALENT_H
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152 const char *const signalstr[] = {
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153 # include "signalent.h"
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154 };
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155 const int nsignalstr = sizeof signalstr / sizeof signalstr[0];
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156 # define SIGNALSTR(sig) (((sig) < nsignalstr) ? signalstr[(sig)] : "unknown")
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157 #else /* HAVE_SIGNALENT_H */
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158 # define SIGNALSTR(sig) ("")
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159 #endif /* HAVE_SIGNALENT_H */
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160
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161
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162 /* signal handler */
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163 static void * sig_hdl(void * arg)
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164 {
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165 sigset_t sig_main;
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166 int sig = 0;
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167
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168 TRACE_ENTRY();
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169 fd_log_threadname("Main signal handler");
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170
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171 sigemptyset(&sig_main);
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172 sigaddset(&sig_main, SIGINT);
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173 sigaddset(&sig_main, SIGTERM);
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174
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175 CHECK_SYS_DO( sigwait(&sig_main, &sig), TRACE_DEBUG(INFO, "Error in sigwait function") );
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176
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177 TRACE_DEBUG(INFO, "Received signal %s (%d), exiting", SIGNALSTR(sig), sig);
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178 CHECK_FCT_DO( fd_event_send(fd_g_config->g_fifo_main, FM_TERMINATE, NULL), exit(2) );
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179 return NULL;
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180 }
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181
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182 /* The static configuration structure */
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183 static struct fd_config conf;
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184 struct fd_config * fd_g_config = &conf;
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185
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186 /* Entry point */
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187 int main(int argc, char * argv[])
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188 {
8
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189 int ret;
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190 pthread_t sig_th;
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191 sigset_t sig_all;
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192
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193 memset(fd_g_config, 0, sizeof(struct fd_config));
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194 sigfillset(&sig_all);
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195 CHECK_POSIX( pthread_sigmask(SIG_BLOCK, &sig_all, NULL) );
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196
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197 /* Initialize the library */
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198 CHECK_FCT( fd_lib_init() );
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199
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200 /* Name this thread */
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201 fd_log_threadname("Main");
8
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202
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203 /* Initialize the config */
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204 CHECK_FCT( fd_conf_init() );
0
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205
8
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206 /* Parse the command-line */
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207 CHECK_FCT( main_cmdline(argc, argv) );
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diff changeset
208
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diff changeset
209 /* Allow SIGINT and SIGTERM from this point */
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210 CHECK_POSIX( pthread_create(&sig_th, NULL, sig_hdl, NULL) );
0
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211
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212 /* Add definitions of the base protocol */
8
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213 CHECK_FCT( fd_dict_base_protocol(fd_g_config->g_dict) );
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214
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215 /* Initialize other modules */
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216 CHECK_FCT( fd_ext_init() );
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diff changeset
217
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218 /* Parse the configuration file */
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diff changeset
219 CHECK_FCT( fd_conf_parse() );
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diff changeset
220
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221 /* Load the dynamic extensions */
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diff changeset
222 CHECK_FCT( fd_ext_load() );
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diff changeset
223
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224 /* Start the peer state machines */
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diff changeset
225
0
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226
8
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227 /* Now, just wait for events */
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diff changeset
228 TRACE_DEBUG(INFO, FD_PROJECT_BINARY " daemon initialized.");
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229 fd_conf_dump();
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diff changeset
230 while (1) {
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diff changeset
231 int code;
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232 CHECK_FCT_DO( fd_event_get(fd_g_config->g_fifo_main, &code, NULL), break );
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diff changeset
233 switch (code) {
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234 case FM_TERMINATE:
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235 ret = 0;
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diff changeset
236 goto end;
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diff changeset
237
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238 default:
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239 TRACE_DEBUG(INFO, "Unexpected event in the daemon (%d), terminating.\n", code);
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240 ret = -1;
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diff changeset
241 goto end;
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diff changeset
242 }
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243 }
0
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244
8
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245 end:
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246 TRACE_DEBUG(INFO, FD_PROJECT_BINARY " daemon is stopping...");
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diff changeset
247
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248 /* cleanups */
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diff changeset
249 CHECK_FCT( fd_thr_term(&sig_th) );
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diff changeset
250
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251 return ret;
0
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Sebastien Decugis <sdecugis@nict.go.jp>
parents:
diff changeset
252 }
"Welcome to our mercurial repository"