summary.c

   1 /* summary.c
   2  * Routines for capture file summary info
   3  *
   4  * $Id$
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  23  */
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #ifdef HAVE_SYS_TYPES_H
  30 #include <sys/types.h>
  31 #endif
  32
  33 #include <epan/packet.h>
  34 #include "cfile.h"
  35 #include "summary.h"
  36 #ifdef HAVE_LIBPCAP
  37 #include "capture_ui_utils.h"
  38 #endif
  39
  40
  41 static void
  42 tally_frame_data(frame_data *cur_frame, summary_tally *sum_tally)
  43 {
  44   double cur_time;
  45
  46   sum_tally->bytes += cur_frame->pkt_len;
  47   if (cur_frame->flags.passed_dfilter){
  48     sum_tally->filtered_count++;
  49     sum_tally->filtered_bytes += cur_frame->pkt_len;
  50   }
  51   if (cur_frame->flags.marked){
  52     sum_tally->marked_count++;
  53     sum_tally->marked_bytes += cur_frame->pkt_len;
  54   }
  55   if (cur_frame->flags.ignored){
  56     sum_tally->ignored_count++;
  57   }
  58
  59   if (cur_frame->flags.has_ts) {
  60     /* This packet has a time stamp. */
  61     cur_time = nstime_to_sec(&cur_frame->abs_ts);
  62
  63     sum_tally->packet_count_ts++;
  64     if (cur_time < sum_tally->start_time) {
  65       sum_tally->start_time = cur_time;
  66     }
  67     if (cur_time > sum_tally->stop_time){
  68       sum_tally->stop_time = cur_time;
  69     }
  70     if (cur_frame->flags.passed_dfilter){
  71       sum_tally->filtered_count_ts++;
  72       /*
  73        * If we've seen one filtered packet, this is the first
  74        * one.
  75        */
  76       if (sum_tally->filtered_count == 1){
  77         sum_tally->filtered_start= cur_time;
  78         sum_tally->filtered_stop = cur_time;
  79       } else {
  80         if (cur_time < sum_tally->filtered_start) {
  81           sum_tally->filtered_start = cur_time;
  82         }
  83         if (cur_time > sum_tally->filtered_stop) {
  84           sum_tally->filtered_stop = cur_time;
  85         }
  86       }
  87     }
  88     if (cur_frame->flags.marked){
  89       sum_tally->marked_count_ts++;
  90       /*
  91        * If we've seen one marked packet, this is the first
  92        * one.
  93        */
  94       if (sum_tally->marked_count == 1){
  95         sum_tally->marked_start= cur_time;
  96         sum_tally->marked_stop = cur_time;
  97       } else {
  98         if (cur_time < sum_tally->marked_start) {
  99           sum_tally->marked_start = cur_time;
 100         }
 101         if (cur_time > sum_tally->marked_stop) {
 102           sum_tally->marked_stop = cur_time;
 103         }
 104       }
 105     }
 106   }
 107 }
 108
 109 void
 110 summary_fill_in(capture_file *cf, summary_tally *st)
 111 {
 112
 113   frame_data    *first_frame, *cur_frame;
 114   guint32        framenum;
 115   wtapng_section_t* shb_inf;
 116
 117   st->packet_count_ts = 0;
 118   st->start_time = 0;
 119   st->stop_time = 0;
 120   st->bytes = 0;
 121   st->filtered_count = 0;
 122   st->filtered_count_ts = 0;
 123   st->filtered_start = 0;
 124   st->filtered_stop = 0;
 125   st->filtered_bytes = 0;
 126   st->marked_count = 0;
 127   st->marked_count_ts = 0;
 128   st->marked_start = 0;
 129   st->marked_stop = 0;
 130   st->marked_bytes = 0;
 131   st->ignored_count = 0;
 132
 133   /* initialize the tally */
 134   if (cf->count != 0) {
 135     first_frame = frame_data_sequence_find(cf->frames, 1);
 136     st->start_time = nstime_to_sec(&first_frame->abs_ts);
 137     st->stop_time = nstime_to_sec(&first_frame->abs_ts);
 138
 139     for (framenum = 1; framenum <= cf->count; framenum++) {
 140       cur_frame = frame_data_sequence_find(cf->frames, framenum);
 141       tally_frame_data(cur_frame, st);
 142     }
 143   }
 144
 145   st->filename = cf->filename;
 146   st->file_length = cf->f_datalen;
 147   st->file_type = cf->cd_t;
 148   st->is_tempfile = cf->is_tempfile;
 149   st->encap_type = cf->lnk_t;
 150   st->has_snap = cf->has_snap;
 151   st->snap = cf->snap;
 152   st->elapsed_time = nstime_to_sec(&cf->elapsed_time);
 153   st->packet_count = cf->count;
 154   st->drops_known = cf->drops_known;
 155   st->drops = cf->drops;
 156   st->dfilter = cf->dfilter;
 157
 158   /* Get info from SHB */
 159   shb_inf = wtap_file_get_shb_info(cf->wth);
 160
 161   shb_inf = wtap_file_get_shb_info(cf->wth);
 162   st->opt_comment    = shb_inf->opt_comment;
 163   st->shb_hardware   = shb_inf->shb_hardware;
 164   st->shb_os         = shb_inf->shb_os;
 165   st->shb_user_appl  = shb_inf->shb_user_appl;
 166   g_free(shb_inf);
 167
 168   st->ifaces  = g_array_new(FALSE, FALSE, sizeof(iface_options));
 169 }
 170
 171
 172 #ifdef HAVE_LIBPCAP
 173 void
 174 summary_fill_in_capture(capture_file *cf,capture_options *capture_opts, summary_tally *st)
 175 {
 176   iface_options iface;
 177   interface_t device;
 178   guint i;
 179   wtapng_iface_descriptions_t* idb_info;
 180   wtapng_if_descr_t wtapng_if_descr;
 181
 182   while (st->ifaces->len > 0) {
 183     iface = g_array_index(st->ifaces, iface_options, 0);
 184     st->ifaces = g_array_remove_index(st->ifaces, 0);
 185     g_free(iface.name);
 186     g_free(iface.descr);
 187     g_free(iface.cfilter);
 188   }
 189   if (st->is_tempfile) {
 190     for (i = 0; i < capture_opts->all_ifaces->len; i++) {
 191       device = g_array_index(capture_opts->all_ifaces, interface_t, i);
 192       if (!device.selected) {
 193         continue;
 194       }
 195       iface.cfilter = g_strdup(device.cfilter);
 196       iface.name = g_strdup(device.name);
 197       iface.descr = g_strdup(device.display_name);
 198       iface.drops_known = cf->drops_known;
 199       iface.drops = cf->drops;
 200       iface.has_snap = device.has_snaplen;
 201       iface.snap = device.snaplen;
 202       iface.linktype = device.active_dlt;
 203       g_array_append_val(st->ifaces, iface);
 204     }
 205   } else {
 206     idb_info = wtap_file_get_idb_info(cf->wth);
 207     for (i = 0; i < idb_info->number_of_interfaces; i++) {
 208       wtapng_if_descr = g_array_index(idb_info->interface_data, wtapng_if_descr_t, i);
 209       iface.cfilter = g_strdup(wtapng_if_descr.if_filter);
 210       iface.name = g_strdup(wtapng_if_descr.if_name);
 211       iface.descr = g_strdup(wtapng_if_descr.if_description);
 212       iface.drops_known = FALSE;
 213       iface.drops = 0;
 214       iface.snap = wtapng_if_descr.snap_len;
 215       iface.has_snap = (iface.snap != 65535);
 216       iface.linktype = wtapng_if_descr.link_type;
 217       g_array_append_val(st->ifaces, iface);
 218     }
 219     g_free(idb_info);
 220   }
 221 }
 222 #endif
 223
 224 void
 225 summary_update_comment(capture_file *cf, gchar *comment)
 226 {
 227
 228   /* Get info from SHB */
 229   wtap_write_shb_comment(cf->wth, comment);
 230
 231 }