annotate extensions/dbg_msg_timings/dbg_msg_timings.c @ 1121:ccbd1426e04a

Improve testmesg_stress to measure impact of loaded dictionary
author Sebastien Decugis <sdecugis@freediameter.net>
date Tue, 14 May 2013 15:27:28 +0800
parents d8591b1c56cd
children 7c5449ddc434
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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 /* This extension uses the hooks mechanism to compute some timing information related to messages */
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37
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38 #include <freeDiameter/extension.h>
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39
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40 struct fd_hook_permsgdata {
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41 struct timespec received_on;
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42 struct timespec sent_on;
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43 };
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44
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45 static struct fd_hook_data_hdl *mt_data_hdl = NULL;
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46 static struct fd_hook_hdl *mt_hdl = NULL;
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47
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48 /* The callback called when messages are received and sent */
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49 static void mt_hook_cb(enum fd_hook_type type, struct msg * msg, struct peer_hdr * peer, void * other, struct fd_hook_permsgdata *pmd, void * regdata)
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50 {
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51 struct msg_hdr * hdr;
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52 char * buf = NULL;
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53 size_t len;
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54
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55 ASSERT(pmd);
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56
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57 if (type == HOOK_DATA_RECEIVED) {
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58 /* We just store the timestamp it was received on */
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59 (void)clock_gettime(CLOCK_REALTIME, &pmd->received_on);
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60 return;
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61 }
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62
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63 ASSERT(msg);
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64
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65 /* Check if this message is request or answer */
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66 CHECK_FCT_DO( fd_msg_hdr(msg, &hdr), return);
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67
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68 if (type == HOOK_MESSAGE_RECEIVED) {
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69 ASSERT(pmd->received_on.tv_sec); /* otherwise it means the HOOK_DATA_RECEIVED hook was not trigged for this message */
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70 if (hdr->msg_flags & CMD_FLAG_REQUEST) {
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71 /* We have received a new request, nothing special to do */
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72 } else {
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73 /* This is an answer, check how long it took to get it */
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74 struct fd_hook_permsgdata *qpmd = fd_hook_get_request_pmd(mt_data_hdl, msg);
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75 struct timespec delay;
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76 ASSERT(qpmd); /* If we do not have it, we must find out why */
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77 ASSERT(qpmd->sent_on.tv_sec); /* same, would mean the HOOK_MESSAGE_SENT hook was not trigged */
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78 TS_DIFFERENCE( &delay, &qpmd->sent_on, &pmd->received_on );
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79 CHECK_MALLOC_DO( fd_msg_dump_summary(&buf, &len, NULL, msg, NULL, 0, 1), return );
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80 LOG_N("[TIMING] RCV ANS %ld.%06ld sec <-'%s': %s", (long)delay.tv_sec, delay.tv_nsec / 1000, peer ? peer->info.pi_diamid : "<unidentified>", buf);
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81 }
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82 } else if (type == HOOK_MESSAGE_SENT) {
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83 DiamId_t source = NULL;
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84
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85 (void)clock_gettime(CLOCK_REALTIME, &pmd->sent_on);
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86
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87 /* Is this a forwarded message ? */
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88 CHECK_FCT_DO( fd_msg_source_get(msg, &source, NULL), return );
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89 if (source) {
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90 struct timespec delay;
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91 ASSERT(pmd->received_on.tv_sec);
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92 TS_DIFFERENCE( &delay, &pmd->received_on, &pmd->sent_on );
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93 CHECK_MALLOC_DO( fd_msg_dump_summary(&buf, &len, NULL, msg, NULL, 0, 1), return );
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94 LOG_N("[TIMING] FWD %ld.%06ld sec '%s'->'%s': %s", (long)delay.tv_sec, delay.tv_nsec / 1000, source, peer ? peer->info.pi_diamid : "<unidentified>", buf);
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95 } else if (hdr->msg_flags & CMD_FLAG_REQUEST) {
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96 /* We are sending a request issued locally, nothing special to log */
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97 } else {
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98 /* We have generated an anwer, log the time it took since the corresponding request was received */
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99 struct fd_hook_permsgdata *qpmd = fd_hook_get_request_pmd(mt_data_hdl, msg);
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100 if (qpmd->received_on.tv_sec) {
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101 struct timespec delay;
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102 TS_DIFFERENCE( &delay, &qpmd->received_on, &pmd->sent_on );
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103 CHECK_MALLOC_DO( fd_msg_dump_summary(&buf, &len, NULL, msg, NULL, 0, 1), return );
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104 LOG_N("[TIMING] ANS %ld.%06ld sec ->'%s': %s", (long)delay.tv_sec, delay.tv_nsec / 1000, peer ? peer->info.pi_diamid : "<unidentified>", buf);
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105 }
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106 }
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107 }
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108
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109 free(buf);
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110 }
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111
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112 /* Entry point */
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113 static int mt_main(char * conffile)
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114 {
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115 TRACE_ENTRY("%p", conffile);
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116
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117 CHECK_FCT( fd_hook_data_register( sizeof(struct fd_hook_permsgdata), NULL, NULL, &mt_data_hdl ) );
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118
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119 CHECK_FCT( fd_hook_register( ((1 << HOOK_MESSAGE_RECEIVED) | (1 << HOOK_MESSAGE_SENT) | (1 << HOOK_DATA_RECEIVED)),
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120 mt_hook_cb, NULL, mt_data_hdl, &mt_hdl) );
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121
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122 return 0;
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123 }
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124
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125 /* Cleanup */
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126 void fd_ext_fini(void)
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127 {
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128 TRACE_ENTRY();
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129 CHECK_FCT_DO( fd_hook_unregister( mt_hdl ), );
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130 return ;
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131 }
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132
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133 EXTENSION_ENTRY("dbg_msg_timing", mt_main);
"Welcome to our mercurial repository"