wireshark/ui/cli/tap-mgcpstat.c

249 lines
6.5 KiB
C

/* tap-mgcpstat.c
* mgcpstat 2003 Lars Roland
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "epan/packet_info.h"
#include <epan/tap.h>
#include <epan/stat_tap_ui.h>
#include "epan/value_string.h"
#include "epan/dissectors/packet-mgcp.h"
#include "epan/timestats.h"
#define NUM_TIMESTATS 11
void register_tap_listener_mgcpstat(void);
/* 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 "},
{ 0, NULL}
};
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 = (const mgcp_info_t *)pmi;
nstime_t delta;
int ret = 0;
switch (mi->mgcp_type) {
case MGCP_REQUEST:
if (mi->is_duplicate) {
/* Duplicate is ignored */
ms->req_dup_num++;
}
else {
ms->open_req_num++;
}
break;
case MGCP_RESPONSE:
if (mi->is_duplicate) {
/* Duplicate is ignored */
ms->rsp_dup_num++;
}
else if (!mi->request_available) {
/* no request was seen */
ms->disc_rsp_num++;
}
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 (g_ascii_strncasecmp(mi->code, "EPCF", 4) == 0 ) {
time_stat_update(&(ms->rtd[1]), &delta, pinfo);
}
else if (g_ascii_strncasecmp(mi->code, "CRCX", 4) == 0 ) {
time_stat_update(&(ms->rtd[2]), &delta, pinfo);
}
else if (g_ascii_strncasecmp(mi->code, "MDCX", 4) == 0 ) {
time_stat_update(&(ms->rtd[3]), &delta, pinfo);
}
else if (g_ascii_strncasecmp(mi->code, "DLCX", 4) == 0 ) {
time_stat_update(&(ms->rtd[4]), &delta, pinfo);
}
else if (g_ascii_strncasecmp(mi->code, "RQNT", 4) == 0 ) {
time_stat_update(&(ms->rtd[5]), &delta, pinfo);
}
else if (g_ascii_strncasecmp(mi->code, "NTFY", 4) == 0 ) {
time_stat_update(&(ms->rtd[6]), &delta, pinfo);
}
else if (g_ascii_strncasecmp(mi->code, "AUEP", 4) == 0 ) {
time_stat_update(&(ms->rtd[7]), &delta, pinfo);
}
else if (g_ascii_strncasecmp(mi->code, "AUCX", 4) == 0 ) {
time_stat_update(&(ms->rtd[8]), &delta, pinfo);
}
else if (g_ascii_strncasecmp(mi->code, "RSIP", 4) == 0 ) {
time_stat_update(&(ms->rtd[9]), &delta, pinfo);
}
else {
time_stat_update(&(ms->rtd[10]), &delta, pinfo);
}
ret = 1;
}
break;
default:
break;
}
return ret;
}
static void
mgcpstat_draw(void *pms)
{
mgcpstat_t *ms = (mgcpstat_t *)pms;
gchar* tmp_str;
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) {
tmp_str = val_to_str_wmem(NULL, i, mgcp_mesage_type, "Other (%d)");
printf("%s | %7u | %8.2f msec | %8.2f msec | %8.2f msec | %10u | %10u |\n",
tmp_str, 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
);
wmem_free(NULL, tmp_str);
}
}
printf("=====================================================================================================\n");
}
static void
mgcpstat_init(const char *opt_arg, void *userdata _U_)
{
mgcpstat_t *ms;
int i;
GString *error_string;
ms = g_new(mgcpstat_t, 1);
if (!strncmp(opt_arg, "mgcp,rtd,", 9)) {
ms->filter = g_strdup(opt_arg+9);
} else {
ms->filter = NULL;
}
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, ms->filter, 0, 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);
}
}
static stat_tap_ui mgcpstat_ui = {
REGISTER_STAT_GROUP_GENERIC,
NULL,
"mgcp,rtd",
mgcpstat_init,
0,
NULL
};
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_tap_ui(&mgcpstat_ui, NULL);
}
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/