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annotate freeDiameter/main.c @ 14:14cf6daf716d

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Some progress on peers module
author Sebastien Decugis <sdecugis@nict.go.jp>
date Thu, 01 Oct 2009 18:24:07 +0900
parents ef9ef3bf4752
children 013ce9851131
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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 static void main_version(void);
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45 static void main_help( void );
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46
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47 /* The static configuration structure */
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48 static struct fd_config conf;
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49 struct fd_config * fd_g_config = &conf;
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50
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51 /* freeDiameter starting point */
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52 int main(int argc, char * argv[])
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53 {
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54 int ret;
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55 pthread_t sig_th;
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56 sigset_t sig_all;
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57
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58 memset(fd_g_config, 0, sizeof(struct fd_config));
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59 sigfillset(&sig_all);
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60 CHECK_POSIX( pthread_sigmask(SIG_BLOCK, &sig_all, NULL) );
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61
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62 /* Initialize the library */
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63 CHECK_FCT( fd_lib_init() );
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64
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65 /* Name this thread */
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66 fd_log_threadname("Main");
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67
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68 /* Initialize the config */
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69 CHECK_FCT( fd_conf_init() );
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70
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71 /* Parse the command-line */
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72 CHECK_FCT( main_cmdline(argc, argv) );
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73
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74 /* Allow SIGINT and SIGTERM from this point */
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75 CHECK_POSIX( pthread_create(&sig_th, NULL, sig_hdl, NULL) );
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76
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77 /* Add definitions of the base protocol */
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78 CHECK_FCT( fd_dict_base_protocol(fd_g_config->cnf_dict) );
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79
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80 /* Initialize other modules */
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81 CHECK_FCT( fd_queues_init() );
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82 CHECK_FCT( fd_msg_init() );
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83 CHECK_FCT( fd_p_expi_init() );
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84
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85 /* Parse the configuration file */
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86 CHECK_FCT( fd_conf_parse() );
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87
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88 /* Load the dynamic extensions */
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89 CHECK_FCT( fd_ext_load() );
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90
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91 /* Start the peer state machines */
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92 CHECK_FCT( fd_psm_start() );
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93
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94 /* Now, just wait for events */
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95 TRACE_DEBUG(INFO, FD_PROJECT_BINARY " daemon initialized.");
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96 fd_conf_dump();
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97 while (1) {
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98 int code;
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99 CHECK_FCT_DO( fd_event_get(fd_g_config->cnf_main_ev, &code, NULL), break );
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100 switch (code) {
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101 case FDEV_DUMP_DICT:
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102 fd_dict_dump(fd_g_config->cnf_dict);
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103 break;
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104
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105 case FDEV_DUMP_EXT:
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106 fd_ext_dump();
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107 break;
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108
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109 case FDEV_DUMP_QUEUES:
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110 fd_fifo_dump(0, "Incoming messages", fd_g_incoming, fd_msg_dump_walk);
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111 fd_fifo_dump(0, "Outgoing messages", fd_g_outgoing, fd_msg_dump_walk);
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112 fd_fifo_dump(0, "Local messages", fd_g_local, fd_msg_dump_walk);
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113 break;
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114
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115 case FDEV_DUMP_CONFIG:
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116 fd_conf_dump();
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117 break;
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118
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119 case FDEV_DUMP_PEERS:
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120 fd_peer_dump_list(FULL);
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121 break;
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122
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123 case FDEV_TERMINATE:
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124 ret = 0;
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125 goto end;
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126
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127 default:
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128 TRACE_DEBUG(INFO, "Unexpected event in the daemon (%d), ignored.\n", code);
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129 }
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130 }
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131
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132 end:
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133 TRACE_DEBUG(INFO, FD_PROJECT_BINARY " daemon is stopping...");
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134
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135 /* cleanups */
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136 TODO("Stop dispatch thread(s) properly (no cancel yet)");
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137 CHECK_FCT_DO( fd_peer_fini(), /* Stop all connections */ );
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138 TODO("Stop dispatch & routing threads");
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139 CHECK_FCT_DO( fd_ext_fini(), /* Cleaup all extensions */ );
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140 TODO("Cleanup queues (dump all remaining messages ?)");
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141
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142 CHECK_FCT_DO( fd_thr_term(&sig_th), /* continue */ );
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143
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144 return ret;
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145 }
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146
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147 const char * fd_ev_str(int event)
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148 {
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149 switch (event) {
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150 #define case_str( _val )\
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151 case _val : return #_val
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152 case_str(FDEV_TERMINATE);
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153 case_str(FDEV_DUMP_DICT);
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154 case_str(FDEV_DUMP_EXT);
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155 case_str(FDEV_DUMP_QUEUES);
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156 case_str(FDEV_DUMP_CONFIG);
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157 case_str(FDEV_DUMP_PEERS);
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158
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159 default:
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160 TRACE_DEBUG(FULL, "Unknown event : %d", event);
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161 return "Unknown event";
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162 }
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163 }
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164
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165 /* Parse the command-line */
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166 static int main_cmdline(int argc, char *argv[])
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167 {
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168 int c;
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169 int option_index = 0;
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170
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171 struct option long_options[] = {
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172 { "help", 0, NULL, 'h' },
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173 { "version", 0, NULL, 'V' },
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174 { "config", 1, NULL, 'c' },
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175 { "debug", 0, NULL, 'd' },
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176 { "quiet", 0, NULL, 'q' },
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177 { NULL, 0, NULL, 0 }
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178 };
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179
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180 TRACE_ENTRY("%d %p", argc, argv);
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181
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182 /* Loop on arguments */
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183 while (1) {
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184 c = getopt_long (argc, argv, "hVc:dq", long_options, &option_index);
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185 if (c == -1)
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186 break; /* Exit from the loop. */
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187
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188 switch (c) {
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189 case 'h': /* Print help and exit. */
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190 main_help();
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191 exit(0);
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192
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193 case 'V': /* Print version and exit. */
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194 main_version();
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195 exit(0);
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196
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197 case 'c': /* Read configuration from this file instead of the default location.. */
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198 CHECK_PARAMS( optarg );
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199 fd_g_config->cnf_file = optarg;
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200 break;
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201
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202 case 'd': /* Increase verbosity of debug messages. */
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203 fd_g_debug_lvl++;
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204 break;
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205
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206 case 'q': /* Decrease verbosity then remove debug messages. */
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207 fd_g_debug_lvl--;
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208 break;
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209
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210 case '?': /* Invalid option. */
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211 /* `getopt_long' already printed an error message. */
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212 TRACE_DEBUG(INFO, "getopt_long found an invalid character\n");
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213 return EINVAL;
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214
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215 default: /* bug: option not considered. */
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216 TRACE_DEBUG(INFO, "A command-line option is missing in parser: %c\n", c);
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217 ASSERT(0);
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218 return EINVAL;
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219 }
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220 }
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221
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222 return 0;
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223 }
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224
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225 /* Display package version */
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226 static void main_version_core(void)
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227 {
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228 printf("%s, version %d.%d.%d"
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229 #ifdef HG_VERSION
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230 " (r%s"
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231 # ifdef PACKAGE_HG_REVISION
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232 "/%s"
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233 # endif /* PACKAGE_HG_VERSION */
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234 ")"
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235 #endif /* HG_VERSION */
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236 "\n",
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237 FD_PROJECT_NAME, FD_PROJECT_VERSION_MAJOR, FD_PROJECT_VERSION_MINOR, FD_PROJECT_VERSION_REV
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238 #ifdef HG_VERSION
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239 , HG_VERSION
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240 # ifdef PACKAGE_HG_REVISION
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241 , PACKAGE_HG_REVISION
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242 # endif /* PACKAGE_HG_VERSION */
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243 #endif /* HG_VERSION */
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244 );
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245 }
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246
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247 /* Display package version and general info */
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248 static void main_version(void)
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249 {
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250 main_version_core();
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251 printf( "%s\n", FD_PROJECT_COPYRIGHT);
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252 printf( "\nSee " FD_PROJECT_NAME " homepage at http://aaa.koganei.wide.ad.jp/\n"
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253 " for information, updates and bug reports on this software.\n");
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254 }
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255
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256 /* Print command-line options */
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257 static void main_help( void )
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258 {
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259 main_version_core();
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260 printf( " This daemon is an implementation of the Diameter protocol\n"
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261 " used for Authentication, Authorization, and Accounting (AAA).\n");
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262 printf("\nUsage: " FD_PROJECT_BINARY " [OPTIONS]...\n");
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263 printf( " -h, --help Print help and exit\n"
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264 " -V, --version Print version and exit\n"
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265 " -c, --config=filename Read configuration from this file instead of the \n"
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266 " default location (%s).\n", DEFAULT_CONF_FILE);
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267 printf( "\nDebug:\n"
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268 " These options are mostly useful for developers\n"
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269 " -d, --debug Increase verbosity of debug messages\n"
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270 " -q, --quiet Decrease verbosity then remove debug messages\n");
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271 }
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272
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273 #ifdef HAVE_SIGNALENT_H
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274 const char *const signalstr[] = {
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275 # include "signalent.h"
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276 };
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277 const int nsignalstr = sizeof signalstr / sizeof signalstr[0];
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278 # define SIGNALSTR(sig) (((sig) < nsignalstr) ? signalstr[(sig)] : "unknown")
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279 #else /* HAVE_SIGNALENT_H */
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280 # define SIGNALSTR(sig) ("")
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281 #endif /* HAVE_SIGNALENT_H */
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282
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283 /* signal handler */
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284 static void * sig_hdl(void * arg)
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285 {
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286 sigset_t sig_main;
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287 int sig = 0;
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288
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289 TRACE_ENTRY();
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290 fd_log_threadname("Main signal handler");
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291
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292 sigemptyset(&sig_main);
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293 sigaddset(&sig_main, SIGINT);
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294 sigaddset(&sig_main, SIGTERM);
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295
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296 CHECK_SYS_DO( sigwait(&sig_main, &sig), TRACE_DEBUG(INFO, "Error in sigwait function") );
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297
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298 TRACE_DEBUG(INFO, "Received signal %s (%d), exiting", SIGNALSTR(sig), sig);
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299 CHECK_FCT_DO( fd_event_send(fd_g_config->cnf_main_ev, FDEV_TERMINATE, NULL), exit(2) );
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300 return NULL;
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301 }
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302
"Welcome to our mercurial repository"