forked from osmocom/wireshark
161 lines
4.2 KiB
C
161 lines
4.2 KiB
C
/* tap-rtp.c
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* RTP TAP for tshark
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*
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* $Id$
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*
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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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* based on gtk/rtp_stream_dlg.c
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* Copyright 2003, Alcatel Business Systems
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* By Lars Ruoff <lars.ruoff@gmx.net>
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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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/*
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* This TAP provides statistics for RTP streams
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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 <locale.h>
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#include "epan/packet_info.h"
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#include "epan/value_string.h"
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#include <epan/tap.h>
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#include <epan/rtp_pt.h>
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#include <epan/stat_cmd_args.h>
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#include <epan/addr_resolv.h>
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#include "register.h"
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#include "tap-rtp-common.h"
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static void
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rtp_streams_stat_draw(void *arg _U_)
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{
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GList *list;
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rtp_stream_info_t* strinfo;
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gchar *payload_type;
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guint32 expected;
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gint32 lost;
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double perc;
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char *savelocale;
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printf("========================= RTP Streams ========================\n");
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printf("%15s %5s %15s %5s %10s %16s %5s %12s %15s %15s %15s %s\n","Src IP addr", "Port", "Dest IP addr", "Port", "SSRC", "Payload", "Pkts", "Lost", "Max Delta(ms)", "Max Jitter(ms)", "Mean Jitter(ms)", "Problems?");
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/* save the current locale */
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savelocale = setlocale(LC_NUMERIC, NULL);
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/* switch to "C" locale to avoid problems with localized decimal separators
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in g_snprintf("%f") functions */
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setlocale(LC_NUMERIC, "C");
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list = the_tapinfo_struct.strinfo_list;
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list = g_list_first(list);
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while (list)
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{
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strinfo = (rtp_stream_info_t*)(list->data);
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/* payload type */
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if(strinfo->pt>95){
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if(strinfo->info_payload_type_str != NULL){
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payload_type = g_strdup(strinfo->info_payload_type_str);
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}else{
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payload_type = g_strdup_printf("Unknown(%u)",strinfo->pt);
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}
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}else{
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payload_type = g_strdup(val_to_str(strinfo->pt, rtp_payload_type_vals,
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"Unknown (%u)"));
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}
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/* packet count, lost packets */
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expected = (strinfo->rtp_stats.stop_seq_nr + strinfo->rtp_stats.cycles*65536)
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- strinfo->rtp_stats.start_seq_nr + 1;
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lost = expected - strinfo->rtp_stats.total_nr;
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if (expected){
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perc = (double)(lost*100)/(double)expected;
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} else {
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perc = 0;
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}
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printf("%15s %5u %15s %5u 0x%08X %16s %5u %5d (%.1f%%) %15.2f %15.2f %15.2f %s\n",
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get_addr_name(&(strinfo->src_addr)),
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strinfo->src_port,
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get_addr_name(&(strinfo->dest_addr)),
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strinfo->dest_port,
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strinfo->ssrc,
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payload_type,
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strinfo->npackets,
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lost, perc,
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strinfo->rtp_stats.max_delta*1000,
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strinfo->rtp_stats.max_jitter*1000,
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strinfo->rtp_stats.mean_jitter*1000,
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(strinfo->problem)?"X":"");
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list = g_list_next(list);
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}
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printf("==============================================================\n");
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/* restore previous locale setting */
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setlocale(LC_NUMERIC, savelocale);
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}
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static void
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rtp_streams_stat_init(const char *optarg _U_, void* userdata _U_)
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{
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GString *err_p;
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err_p =
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register_tap_listener("rtp", &the_tapinfo_struct, NULL,
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rtpstream_reset_cb,
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rtpstream_packet,
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rtp_streams_stat_draw);
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if (err_p != NULL)
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{
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g_string_free(err_p, 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_rtp_streams(void)
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{
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register_stat_cmd_arg("rtp,streams", rtp_streams_stat_init,NULL);
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}
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