pkg://wireshark-0.99.2.tar.gz:12358081/
wireshark-0.99.2/tap-mgcpstat.c
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/* tap-mgcpstat.c
* mgcpstat 2003 Lars Roland
*
* $Id: tap-mgcpstat.c 18268 2006-05-31 17:38:42Z gerald $
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <string.h>
#include "epan/packet_info.h"
#include <epan/tap.h>
#include <epan/stat_cmd_args.h>
#include "epan/value_string.h"
#include "register.h"
#include "plugins/mgcp/packet-mgcp.h"
#include "timestats.h"
#define NUM_TIMESTATS 11
/* used to keep track of the statistics for an entire program interface */
typedef struct _mgcpstat_t {
char *filter;
timestat_t rtd[NUM_TIMESTATS];
guint32 open_req_num;
guint32 disc_rsp_num;
guint32 req_dup_num;
guint32 rsp_dup_num;
} mgcpstat_t;
static const value_string mgcp_mesage_type[] = {
{ 0, "Overall"},
{ 1, "EPCF "},
{ 2, "CRCX "},
{ 3, "MDCX "},
{ 4, "DLCX "},
{ 5, "RQNT "},
{ 6, "NTFY "},
{ 7, "AUEP "},
{ 8, "AUCX "},
{ 9, "RSIP "},
};
static int
mgcpstat_packet(void *pms, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pmi)
{
mgcpstat_t *ms=(mgcpstat_t *)pms;
const mgcp_info_t *mi=pmi;
nstime_t delta;
switch (mi->mgcp_type) {
case MGCP_REQUEST:
if(mi->is_duplicate){
/* Duplicate is ignored */
ms->req_dup_num++;
return 0;
}
else {
ms->open_req_num++;
return 0;
}
break;
case MGCP_RESPONSE:
if(mi->is_duplicate){
/* Duplicate is ignored */
ms->rsp_dup_num++;
return 0;
}
else if (!mi->request_available) {
/* no request was seen */
ms->disc_rsp_num++;
return 0;
}
else {
ms->open_req_num--;
/* calculate time delta between request and response */
nstime_delta(&delta, &pinfo->fd->abs_ts, &mi->req_time);
time_stat_update(&(ms->rtd[0]),&delta, pinfo);
if (strncasecmp(mi->code, "EPCF", 4) == 0 ) {
time_stat_update(&(ms->rtd[1]),&delta, pinfo);
}
else if (strncasecmp(mi->code, "CRCX", 4) == 0 ) {
time_stat_update(&(ms->rtd[2]),&delta, pinfo);
}
else if (strncasecmp(mi->code, "MDCX", 4) == 0 ) {
time_stat_update(&(ms->rtd[3]),&delta, pinfo);
}
else if (strncasecmp(mi->code, "DLCX", 4) == 0 ) {
time_stat_update(&(ms->rtd[4]),&delta, pinfo);
}
else if (strncasecmp(mi->code, "RQNT", 4) == 0 ) {
time_stat_update(&(ms->rtd[5]),&delta, pinfo);
}
else if (strncasecmp(mi->code, "NTFY", 4) == 0 ) {
time_stat_update(&(ms->rtd[6]),&delta, pinfo);
}
else if (strncasecmp(mi->code, "AUEP", 4) == 0 ) {
time_stat_update(&(ms->rtd[7]),&delta, pinfo);
}
else if (strncasecmp(mi->code, "AUCX", 4) == 0 ) {
time_stat_update(&(ms->rtd[8]),&delta, pinfo);
}
else if (strncasecmp(mi->code, "RSIP", 4) == 0 ) {
time_stat_update(&(ms->rtd[9]),&delta, pinfo);
}
else {
time_stat_update(&(ms->rtd[10]),&delta, pinfo);
}
return 1;
}
break;
default:
return 0;
break;
}
}
static void
mgcpstat_draw(void *pms)
{
mgcpstat_t *ms=(mgcpstat_t *)pms;
int i;
/* printing results */
printf("\n");
printf("=====================================================================================================\n");
printf("MGCP Response Time Delay (RTD) Statistics:\n");
printf("Filter for statistics: %s\n",ms->filter?ms->filter:"");
printf("Duplicate requests: %u\n",ms->req_dup_num);
printf("Duplicate responses: %u\n",ms->rsp_dup_num);
printf("Open requests: %u\n",ms->open_req_num);
printf("Discarded responses: %u\n",ms->disc_rsp_num);
printf("Type | Messages | Min RTD | Max RTD | Avg RTD | Min in Frame | Max in Frame |\n");
for(i=0;i<NUM_TIMESTATS;i++) {
if(ms->rtd[i].num) {
printf("%s | %7u | %8.2f msec | %8.2f msec | %8.2f msec | %10u | %10u |\n",
val_to_str(i,mgcp_mesage_type,"Other "),ms->rtd[i].num,
nstime_to_msec(&(ms->rtd[i].min)), nstime_to_msec(&(ms->rtd[i].max)),
get_average(&(ms->rtd[i].tot), ms->rtd[i].num),
ms->rtd[i].min_num, ms->rtd[i].max_num
);
}
}
printf("=====================================================================================================\n");
}
static void
mgcpstat_init(const char *optarg, void* userdata _U_)
{
mgcpstat_t *ms;
int i;
const char *filter=NULL;
GString *error_string;
if(!strncmp(optarg,"mgcp,rtd,",9)){
filter=optarg+9;
} else {
filter="";
}
ms=g_malloc(sizeof(mgcpstat_t));
ms->filter=g_malloc(strlen(filter)+1);
strcpy(ms->filter, filter);
for(i=0;i<NUM_TIMESTATS;i++) {
ms->rtd[i].num=0;
ms->rtd[i].min_num=0;
ms->rtd[i].max_num=0;
ms->rtd[i].min.secs=0;
ms->rtd[i].min.nsecs=0;
ms->rtd[i].max.secs=0;
ms->rtd[i].max.nsecs=0;
ms->rtd[i].tot.secs=0;
ms->rtd[i].tot.nsecs=0;
}
ms->open_req_num=0;
ms->disc_rsp_num=0;
ms->req_dup_num=0;
ms->rsp_dup_num=0;
error_string=register_tap_listener("mgcp", ms, filter, NULL, mgcpstat_packet, mgcpstat_draw);
if(error_string){
/* error, we failed to attach to the tap. clean up */
g_free(ms->filter);
g_free(ms);
fprintf(stderr, "tshark: Couldn't register mgcp,rtd tap: %s\n",
error_string->str);
g_string_free(error_string, TRUE);
exit(1);
}
}
void
register_tap_listener_mgcpstat(void)
{
/* We don't register this tap, if we don't have the mgcp plugin loaded.*/
if (find_tap_id("mgcp")) {
register_stat_cmd_arg("mgcp,rtd", mgcpstat_init, NULL);
}
}
