forked from osmocom/wireshark
249 lines
6.5 KiB
C
249 lines
6.5 KiB
C
/* tap-mgcpstat.c
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* mgcpstat 2003 Lars Roland
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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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_tap_ui.h>
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#include "epan/value_string.h"
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#include "epan/dissectors/packet-mgcp.h"
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#include "epan/timestats.h"
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#define NUM_TIMESTATS 11
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void register_tap_listener_mgcpstat(void);
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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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{ 0, NULL}
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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_, const void *pmi)
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{
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mgcpstat_t *ms = (mgcpstat_t *)pms;
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const mgcp_info_t *mi = (const mgcp_info_t *)pmi;
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nstime_t delta;
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int ret = 0;
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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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}
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else {
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ms->open_req_num++;
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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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}
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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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}
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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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nstime_delta(&delta, &pinfo->fd->abs_ts, &mi->req_time);
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time_stat_update(&(ms->rtd[0]), &delta, pinfo);
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if (g_ascii_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 (g_ascii_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 (g_ascii_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 (g_ascii_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 (g_ascii_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 (g_ascii_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 (g_ascii_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 (g_ascii_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 (g_ascii_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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ret = 1;
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}
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break;
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default:
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break;
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}
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return ret;
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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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gchar* tmp_str;
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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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tmp_str = val_to_str_wmem(NULL, i, mgcp_mesage_type, "Other (%d)");
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printf("%s | %7u | %8.2f msec | %8.2f msec | %8.2f msec | %10u | %10u |\n",
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tmp_str, 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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wmem_free(NULL, tmp_str);
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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(const char *opt_arg, void *userdata _U_)
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{
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mgcpstat_t *ms;
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int i;
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GString *error_string;
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ms = g_new(mgcpstat_t, 1);
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if (!strncmp(opt_arg, "mgcp,rtd,", 9)) {
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ms->filter = g_strdup(opt_arg+9);
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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("mgcp", ms, ms->filter, 0, 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, "tshark: 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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static stat_tap_ui mgcpstat_ui = {
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REGISTER_STAT_GROUP_GENERIC,
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NULL,
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"mgcp,rtd",
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mgcpstat_init,
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0,
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NULL
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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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/* We don't register this tap, if we don't have the mgcp plugin loaded.*/
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if (find_tap_id("mgcp")) {
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register_stat_tap_ui(&mgcpstat_ui, NULL);
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}
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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