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   cur_time = nstime_to_sec(&cur_frame->abs_ts);
  47
  48   if (cur_time < sum_tally->start_time) {
  49     sum_tally->start_time = cur_time;
  50   }
  51   if (cur_time > sum_tally->stop_time){
  52     sum_tally->stop_time = cur_time;
  53   }
  54   sum_tally->bytes += cur_frame->pkt_len;
  55   if (cur_frame->flags.passed_dfilter){
  56     if (sum_tally->filtered_count==0){
  57             sum_tally->filtered_start= cur_time;
  58             sum_tally->filtered_stop = cur_time;
  59     } else {
  60             if (cur_time < sum_tally->filtered_start) {
  61                     sum_tally->filtered_start = cur_time;
  62             }
  63             if (cur_time > sum_tally->filtered_stop) {
  64                     sum_tally->filtered_stop = cur_time;
  65             }
  66     }
  67     sum_tally->filtered_count++;
  68     sum_tally->filtered_bytes += cur_frame->pkt_len ;
  69   }
  70   if (cur_frame->flags.marked){
  71     if (sum_tally->marked_count==0){
  72             sum_tally->marked_start= cur_time;
  73             sum_tally->marked_stop = cur_time;
  74     } else {
  75             if (cur_time < sum_tally->marked_start) {
  76                     sum_tally->marked_start = cur_time;
  77             }
  78             if (cur_time > sum_tally->marked_stop) {
  79                     sum_tally->marked_stop = cur_time;
  80             }
  81     }
  82     sum_tally->marked_count++;
  83     sum_tally->marked_bytes += cur_frame->pkt_len ;
  84   }
  85 }
  86
  87 void
  88 summary_fill_in(capture_file *cf, summary_tally *st)
  89 {
  90
  91   frame_data    *first_frame, *cur_frame;
  92   int           i;
  93   frame_data    *cur_glist;
  94
  95   st->start_time = 0;
  96   st->stop_time = 0;
  97   st->bytes = 0;
  98   st->filtered_count = 0;
  99   st->filtered_start = 0;
 100   st->filtered_stop = 0;
 101   st->filtered_bytes = 0;
 102   st->marked_count = 0;
 103   st->marked_start = 0;
 104   st->marked_stop = 0;
 105   st->marked_bytes = 0;
 106
 107   /* initialize the tally */
 108   if (cf->plist != NULL) {
 109     first_frame = cf->plist;
 110     st->start_time      = nstime_to_sec(&first_frame->abs_ts);
 111     st->stop_time = nstime_to_sec(&first_frame->abs_ts);
 112     cur_glist = cf->plist;
 113
 114     for (i = 0; i < cf->count; i++) {
 115       cur_frame = cur_glist;
 116       tally_frame_data(cur_frame, st);
 117       cur_glist = cur_glist->next;
 118     }
 119   }
 120
 121   st->filename = cf->filename;
 122   st->file_length = cf->f_datalen;
 123   st->file_type = cf->cd_t;
 124   st->encap_type = cf->lnk_t;
 125   st->has_snap = cf->has_snap;
 126   st->snap = cf->snap;
 127   st->elapsed_time = nstime_to_sec(&cf->elapsed_time);
 128   st->packet_count = cf->count;
 129   st->drops_known = cf->drops_known;
 130   st->drops = cf->drops;
 131   st->dfilter = cf->dfilter;
 132
 133   /* capture related */
 134   st->cfilter = NULL;
 135   st->iface = NULL;
 136   st->iface_descr = NULL;
 137 }
 138
 139
 140 #ifdef HAVE_LIBPCAP
 141 void
 142 summary_fill_in_capture(capture_options *capture_opts, summary_tally *st)
 143 {
 144   st->cfilter = capture_opts->cfilter;
 145   st->iface = capture_opts->iface;
 146   st->iface_descr = get_iface_description(capture_opts);
 147 }
 148 #endif