forked from osmocom/wireshark
239 lines
6.1 KiB
C
239 lines
6.1 KiB
C
/* tap-mgcpstat.c
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* mgcpstat 2003 Lars Roland
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*
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* $Id: tap-mgcpstat.c,v 1.6 2003/04/23 08:20:01 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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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 "tap.h"
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#include "epan/value_string.h"
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#include "register.h"
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#include "plugins/mgcp/packet-mgcp.h"
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#include "timestats.h"
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#define NUM_TIMESTATS 11
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/* used to keep track of the statistics for an entire program interface */
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typedef struct _mgcpstat_t {
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char *filter;
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timestat_t rtd[NUM_TIMESTATS];
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guint32 open_req_num;
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guint32 disc_rsp_num;
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guint32 req_dup_num;
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guint32 rsp_dup_num;
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} mgcpstat_t;
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static const value_string mgcp_mesage_type[] = {
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{ 0, "Overall"},
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{ 1, "EPCF "},
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{ 2, "CRCX "},
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{ 3, "MDCX "},
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{ 4, "DLCX "},
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{ 5, "RQNT "},
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{ 6, "NTFY "},
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{ 7, "AUEP "},
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{ 8, "AUCX "},
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{ 9, "RSIP "},
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};
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static int
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mgcpstat_packet(void *pms, packet_info *pinfo, epan_dissect_t *edt _U_, void *pmi)
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{
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mgcpstat_t *ms=(mgcpstat_t *)pms;
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mgcp_info_t *mi=pmi;
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nstime_t delta;
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switch (mi->mgcp_type) {
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case MGCP_REQUEST:
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if(mi->is_duplicate){
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/* Duplicate is ignored */
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ms->req_dup_num++;
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return 0;
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}
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else {
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ms->open_req_num++;
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return 0;
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}
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break;
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case MGCP_RESPONSE:
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if(mi->is_duplicate){
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/* Duplicate is ignored */
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ms->rsp_dup_num++;
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return 0;
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}
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else if (!mi->request_available) {
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/* no request was seen */
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ms->disc_rsp_num++;
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return 0;
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}
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else {
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ms->open_req_num--;
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/* calculate time delta between request and response */
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delta.secs=pinfo->fd->abs_secs-mi->req_time.secs;
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delta.nsecs=pinfo->fd->abs_usecs*1000-mi->req_time.nsecs;
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if(delta.nsecs<0){
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delta.nsecs+=1000000000;
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delta.secs--;
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}
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time_stat_update(&(ms->rtd[0]),&delta, pinfo);
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if (strncasecmp(mi->code, "EPCF", 4) == 0 ) {
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time_stat_update(&(ms->rtd[1]),&delta, pinfo);
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}
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else if (strncasecmp(mi->code, "CRCX", 4) == 0 ) {
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time_stat_update(&(ms->rtd[2]),&delta, pinfo);
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}
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else if (strncasecmp(mi->code, "MDCX", 4) == 0 ) {
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time_stat_update(&(ms->rtd[3]),&delta, pinfo);
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}
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else if (strncasecmp(mi->code, "DLCX", 4) == 0 ) {
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time_stat_update(&(ms->rtd[4]),&delta, pinfo);
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}
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else if (strncasecmp(mi->code, "RQNT", 4) == 0 ) {
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time_stat_update(&(ms->rtd[5]),&delta, pinfo);
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}
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else if (strncasecmp(mi->code, "NTFY", 4) == 0 ) {
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time_stat_update(&(ms->rtd[6]),&delta, pinfo);
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}
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else if (strncasecmp(mi->code, "AUEP", 4) == 0 ) {
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time_stat_update(&(ms->rtd[7]),&delta, pinfo);
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}
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else if (strncasecmp(mi->code, "AUCX", 4) == 0 ) {
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time_stat_update(&(ms->rtd[8]),&delta, pinfo);
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}
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else if (strncasecmp(mi->code, "RSIP", 4) == 0 ) {
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time_stat_update(&(ms->rtd[9]),&delta, pinfo);
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}
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else {
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time_stat_update(&(ms->rtd[10]),&delta, pinfo);
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}
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return 1;
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}
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break;
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default:
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return 0;
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break;
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}
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}
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static void
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mgcpstat_draw(void *pms)
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{
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mgcpstat_t *ms=(mgcpstat_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("MGCP 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("%s | %7u | %8.2f msec | %8.2f msec | %8.2f msec | %10u | %10u |\n",
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val_to_str(i,mgcp_mesage_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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mgcpstat_init(char *optarg)
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{
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mgcpstat_t *ms;
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int i;
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char *filter=NULL;
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GString *error_string;
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if(!strncmp(optarg,"mgcp,rtd,",9)){
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filter=optarg+9;
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} else {
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filter=g_malloc(1);
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*filter='\0';
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}
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ms=g_malloc(sizeof(mgcpstat_t));
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ms->filter=g_malloc(strlen(filter)+1);
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strcpy(ms->filter, filter);
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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("mgcp", ms, filter, NULL, mgcpstat_packet, mgcpstat_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, "tethereal: Couldn't register mgcp,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_mgcpstat(void)
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{
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register_ethereal_tap("mgcp,rtd", mgcpstat_init);
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}
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