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     sum_tally->marked_count++;
  72
  73 }
  74
  75 void
  76 summary_fill_in(capture_file *cf, summary_tally *st)
  77 {
  78
  79   frame_data    *first_frame, *cur_frame;
  80   int           i;
  81   frame_data    *cur_glist;
  82
  83   st->start_time = 0;
  84   st->stop_time = 0;
  85   st->bytes = 0;
  86   st->filtered_count = 0;
  87   st->filtered_start = 0;
  88   st->filtered_stop   = 0;
  89   st->filtered_bytes = 0;
  90   st->marked_count = 0;
  91
  92   /* initialize the tally */
  93   if (cf->plist != NULL) {
  94     first_frame = cf->plist;
  95     st->start_time      = nstime_to_sec(&first_frame->abs_ts);
  96     st->stop_time = nstime_to_sec(&first_frame->abs_ts);
  97     cur_glist = cf->plist;
  98
  99     for (i = 0; i < cf->count; i++) {
 100       cur_frame = cur_glist;
 101       tally_frame_data(cur_frame, st);
 102       cur_glist = cur_glist->next;
 103     }
 104   }
 105
 106   st->filename = cf->filename;
 107   st->file_length = cf->f_datalen;
 108   st->encap_type = cf->cd_t;
 109   st->has_snap = cf->has_snap;
 110   st->snap = cf->snap;
 111   st->elapsed_time = nstime_to_sec(&cf->elapsed_time);
 112   st->packet_count = cf->count;
 113   st->drops_known = cf->drops_known;
 114   st->drops = cf->drops;
 115   st->dfilter = cf->dfilter;
 116
 117   /* capture related */
 118   st->cfilter = NULL;
 119   st->iface = NULL;
 120   st->iface_descr = NULL;
 121 }
 122
 123
 124 #ifdef HAVE_LIBPCAP
 125 void
 126 summary_fill_in_capture(capture_options *capture_opts, summary_tally *st)
 127 {
 128   st->cfilter = capture_opts->cfilter;
 129   st->iface = capture_opts->iface;
 130   st->iface_descr = get_iface_description(capture_opts);
 131 }
 132 #endif