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annotate extensions/dbg_monitor/dbg_monitor.c @ 662:2e94ef0515d7 1.1.0-rc1

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Updated copyright information
author Sebastien Decugis <sdecugis@nict.go.jp>
date Fri, 14 Jan 2011 16:27:21 +0900
parents f198d16fa7f4
children 4a9f08d6b6ba
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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) 2011, 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 /* Monitoring extension:
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37 - periodically display queues and peers information
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38 - upon SIGUSR2, display additional debug information
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39 */
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40
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41 #include <freeDiameter/extension.h>
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42 #include <signal.h>
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43
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44 #ifndef MONITOR_SIGNAL
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45 #define MONITOR_SIGNAL SIGUSR2
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46 #endif /* MONITOR_SIGNAL */
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47
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48 static int monitor_main(char * conffile);
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49
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50 EXTENSION_ENTRY("dbg_monitor", monitor_main);
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51
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52 /* Thread to display periodical debug information */
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53 static pthread_t thr;
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54 static void * mn_thr(void * arg)
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55 {
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56 int i = 0;
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57 fd_log_threadname("Monitor thread");
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58
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59 /* Loop */
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60 while (1) {
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61 #ifdef DEBUG
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62 for (i++; i % 30; i++) {
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63 fd_log_debug("[dbg_monitor] %ih%*im%*is\n", i/3600, 2, (i/60) % 60 , 2, i%60); /* This makes it easier to detect inactivity periods in the log file */
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64 sleep(1);
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65 }
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66 #else /* DEBUG */
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67 sleep(3600); /* 1 hour */
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68 #endif /* DEBUG */
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69 fd_log_debug("[dbg_monitor] Dumping current information\n");
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70 CHECK_FCT_DO(fd_event_send(fd_g_config->cnf_main_ev, FDEV_DUMP_QUEUES, 0, NULL), /* continue */);
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71 CHECK_FCT_DO(fd_event_send(fd_g_config->cnf_main_ev, FDEV_DUMP_SERV, 0, NULL), /* continue */);
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72 CHECK_FCT_DO(fd_event_send(fd_g_config->cnf_main_ev, FDEV_DUMP_PEERS, 0, NULL), /* continue */);
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73 sleep(1);
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74 }
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75
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76 return NULL;
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77 }
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79 /* Function called on receipt of MONITOR_SIGNAL */
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80 static void got_sig()
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81 {
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82 fd_log_debug("[dbg_monitor] Dumping extra information\n");
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83 CHECK_FCT_DO(fd_event_send(fd_g_config->cnf_main_ev, FDEV_DUMP_DICT, 0, NULL), /* continue */);
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84 CHECK_FCT_DO(fd_event_send(fd_g_config->cnf_main_ev, FDEV_DUMP_CONFIG, 0, NULL), /* continue */);
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85 CHECK_FCT_DO(fd_event_send(fd_g_config->cnf_main_ev, FDEV_DUMP_EXT, 0, NULL), /* continue */);
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86 }
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87
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88 /* Entry point */
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89 static int monitor_main(char * conffile)
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90 {
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91 TRACE_ENTRY("%p", conffile);
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92
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93 /* Catch signal SIGUSR1 */
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94 CHECK_FCT( fd_event_trig_regcb(MONITOR_SIGNAL, "dbg_monitor", got_sig));
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95
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96 CHECK_POSIX( pthread_create( &thr, NULL, mn_thr, NULL ) );
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97 return 0;
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98 }
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99
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100 /* Cleanup */
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101 void fd_ext_fini(void)
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102 {
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103 TRACE_ENTRY();
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104 CHECK_FCT_DO( fd_thr_term(&thr), /* continue */ );
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105 return ;
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106 }
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107
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