forked from osmocom/wireshark
144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/* tap-megacostat.c
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* mgcpstat 2003 Lars Roland
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* Copyright 2008, Ericsson AB
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* By Balint Reczey <balint.reczey@ericsson.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include <string.h>
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#include "epan/packet_info.h"
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#include <epan/tap.h>
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#include <epan/stat_cmd_args.h>
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#include "epan/value_string.h"
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#include "register.h"
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#include "epan/gcp.h"
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#include "timestats.h"
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#include <epan/prefs-int.h>
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#include "tap-megaco-common.h"
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static void
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megacostat_draw(void *pms)
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{
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megacostat_t *ms=(megacostat_t *)pms;
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int i;
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/* printing results */
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printf("\n");
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printf("=====================================================================================================\n");
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printf("MEGACO Response Time Delay (RTD) Statistics:\n");
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printf("Filter for statistics: %s\n",ms->filter?ms->filter:"");
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printf("Duplicate requests: %u\n",ms->req_dup_num);
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printf("Duplicate responses: %u\n",ms->rsp_dup_num);
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printf("Open requests: %u\n",ms->open_req_num);
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printf("Discarded responses: %u\n",ms->disc_rsp_num);
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printf(" Type | Messages | Min RTD | Max RTD | Avg RTD | Min in Frame | Max in Frame |\n");
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for(i=0;i<NUM_TIMESTATS;i++) {
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if(ms->rtd[i].num) {
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printf("%5s | %7u | %8.2f msec | %8.2f msec | %8.2f msec | %10u | %10u |\n",
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val_to_str(i,megaco_message_type,"Other"),ms->rtd[i].num,
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nstime_to_msec(&(ms->rtd[i].min)), nstime_to_msec(&(ms->rtd[i].max)),
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get_average(&(ms->rtd[i].tot), ms->rtd[i].num),
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ms->rtd[i].min_num, ms->rtd[i].max_num
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);
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}
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}
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printf("=====================================================================================================\n");
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}
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static void
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megacostat_init(const char *optarg, void* userdata _U_)
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{
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megacostat_t *ms;
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int i;
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GString *error_string;
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pref_t *megaco_ctx_track,*h248_ctx_track;
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megaco_ctx_track = prefs_find_preference(prefs_find_module("megaco"),"ctx_info");
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h248_ctx_track = prefs_find_preference(prefs_find_module("h248"),"ctx_info");
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if (!*megaco_ctx_track->varp.boolp || !*h248_ctx_track->varp.boolp) {
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printf("Track Context option at Protocols -> MEGACO and Protocols -> H248 preferences\n");
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printf("has to be set to true to enable measurement of service response times.\n");
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exit(1);
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}
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ms=g_malloc(sizeof(megacostat_t));
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if(!strncmp(optarg,"megaco,rtd,",11)){
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ms->filter=g_strdup(optarg+11);
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} else {
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ms->filter=NULL;
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}
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for(i=0;i<NUM_TIMESTATS;i++) {
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ms->rtd[i].num=0;
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ms->rtd[i].min_num=0;
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ms->rtd[i].max_num=0;
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ms->rtd[i].min.secs=0;
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ms->rtd[i].min.nsecs=0;
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ms->rtd[i].max.secs=0;
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ms->rtd[i].max.nsecs=0;
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ms->rtd[i].tot.secs=0;
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ms->rtd[i].tot.nsecs=0;
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}
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ms->open_req_num=0;
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ms->disc_rsp_num=0;
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ms->req_dup_num=0;
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ms->rsp_dup_num=0;
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error_string=register_tap_listener("megaco", ms, ms->filter, 0, NULL, megacostat_packet, megacostat_draw);
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if(error_string){
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/* error, we failed to attach to the tap. clean up */
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g_free(ms->filter);
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g_free(ms);
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fprintf(stderr, "tshark: Couldn't register megaco,rtd tap: %s\n",
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error_string->str);
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g_string_free(error_string, TRUE);
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exit(1);
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}
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}
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void
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register_tap_listener_megacostat(void)
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{
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/* We don't register this tap, if we don't have the megaco plugin loaded.*/
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if (find_tap_id("megaco")) {
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register_stat_cmd_arg("megaco,rtd", megacostat_init, NULL);
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}
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}
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