ui/cli/tap-rtp.c

   1 /* tap-rtp.c
   2  * RTP TAP for tshark
   3  *
   4  * Copyright 2008, Ericsson AB
   5  * By Balint Reczey <balint.reczey@ericsson.com>
   6  *
   7  * based on ui/gtk/rtp_stream_dlg.c
   8  * Copyright 2003, Alcatel Business Systems
   9  * By Lars Ruoff <lars.ruoff@gmx.net>
  10  *
  11  * Wireshark - Network traffic analyzer
  12  * By Gerald Combs <gerald@wireshark.org>
  13  * Copyright 1998 Gerald Combs
  14  *
  15  * SPDX-License-Identifier: GPL-2.0-or-later
  16  */
  17
  18 /*
  19  * This TAP provides statistics for RTP streams
  20  */
  21
  22 #include "config.h"
  23
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <locale.h>
  27
  28 #include <glib.h>
  29
  30 #include <epan/packet_info.h>
  31 #include <epan/value_string.h>
  32 #include <epan/tap.h>
  33 #include <epan/rtp_pt.h>
  34 #include <epan/stat_tap_ui.h>
  35 #include <epan/addr_resolv.h>
  36
  37 #include "ui/rtp_stream.h"
  38 #include "ui/tap-rtp-common.h"
  39
  40 void register_tap_listener_rtpstreams(void);
  41 static void rtpstreams_stat_draw_cb(rtpstream_tapinfo_t *tapinfo);
  42
  43 /* The one and only global rtpstream_tapinfo_t structure for tshark and wireshark.
  44  */
  45 static rtpstream_tapinfo_t the_tapinfo_struct =
  46         { NULL, rtpstreams_stat_draw_cb, NULL,
  47           NULL, 0, NULL, NULL, 0, TAP_ANALYSE, NULL, NULL, NULL, false, false
  48         };
  49
  50 static void
  51 rtpstreams_stat_draw_cb(rtpstream_tapinfo_t *tapinfo _U_)
  52 {
  53     GList *list;
  54     rtpstream_info_t *strinfo;
  55     rtpstream_info_calc_t calc;
  56     char *savelocale;
  57
  58     printf("========================= RTP Streams ========================\n");
  59     printf("%13s %13s %15s %5s %15s %5s %10s %16s %5s %12s %15s %15s %15s %15s %15s %15s %s\n",
  60             "Start time", "End time", "Src IP addr", "Port",  "Dest IP addr", "Port", "SSRC", "Payload", "Pkts", "Lost",
  61             "Min Delta(ms)", "Mean Delta(ms)", "Max Delta(ms)", "Min Jitter(ms)", "Mean Jitter(ms)", "Max Jitter(ms)", "Problems?");
  62
  63     /* save the current locale */
  64     savelocale = g_strdup(setlocale(LC_NUMERIC, NULL));
  65     /* switch to "C" locale to avoid problems with localized decimal separators
  66        in snprintf("%f") functions */
  67     setlocale(LC_NUMERIC, "C");
  68
  69     list = the_tapinfo_struct.strinfo_list;
  70
  71     list = g_list_first(list);
  72     while (list)
  73     {
  74         strinfo = (rtpstream_info_t*)(list->data);
  75         rtpstream_info_calculate(strinfo, &calc);
  76
  77         printf("%13.6f %13.6f %15s %5u %15s %5u 0x%08X %16s %5u %5d (%.1f%%) %15.3f %15.3f %15.3f %15.3f %15.3f %15.3f %s\n",
  78             nstime_to_sec(&(strinfo->start_rel_time)),
  79             nstime_to_sec(&(strinfo->stop_rel_time)),
  80             calc.src_addr_str,
  81             calc.src_port,
  82             calc.dst_addr_str,
  83             calc.dst_port,
  84             calc.ssrc,
  85             calc.all_payload_type_names,
  86             calc.packet_count,
  87             calc.lost_num,
  88             calc.lost_perc,
  89             calc.min_delta,
  90             calc.mean_delta,
  91             calc.max_delta,
  92             calc.min_jitter,
  93             calc.mean_jitter,
  94             calc.max_jitter,
  95             (calc.problem)?"X":"");
  96
  97         rtpstream_info_calc_free(&calc);
  98
  99         list = g_list_next(list);
 100     }
 101
 102     printf("==============================================================\n");
 103     /* restore previous locale setting */
 104     setlocale(LC_NUMERIC, savelocale);
 105     g_free(savelocale);
 106 }
 107
 108
 109 static void
 110 rtpstreams_stat_init(const char *opt_arg _U_, void *userdata _U_)
 111 {
 112     register_tap_listener_rtpstream(&the_tapinfo_struct, NULL, NULL);
 113 }
 114
 115 static stat_tap_ui rtpstreams_stat_ui = {
 116     REGISTER_STAT_GROUP_GENERIC,
 117     NULL,
 118     "rtp,streams",
 119     rtpstreams_stat_init,
 120     0,
 121     NULL
 122 };
 123
 124 void
 125 register_tap_listener_rtpstreams(void)
 126 {
 127     register_stat_tap_ui(&rtpstreams_stat_ui, NULL);
 128 }