summary.c

   1 /* summary.c
   2  * Routines for capture file summary info
   3  *
   4  * Wireshark - Network traffic analyzer
   5  * By Gerald Combs <gerald@wireshark.org>
   6  * Copyright 1998 Gerald Combs
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #include <config.h>
  24
  25 #include <wiretap/pcap-encap.h>
  26 #include <wiretap/wtap_opttypes.h>
  27 #include <wiretap/pcapng.h>
  28
  29 #include <epan/packet.h>
  30 #include "cfile.h"
  31 #include "summary.h"
  32
  33 static void
  34 tally_frame_data(frame_data *cur_frame, summary_tally *sum_tally)
  35 {
  36   double cur_time;
  37
  38   sum_tally->bytes += cur_frame->pkt_len;
  39   if (cur_frame->flags.passed_dfilter){
  40     sum_tally->filtered_count++;
  41     sum_tally->filtered_bytes += cur_frame->pkt_len;
  42   }
  43   if (cur_frame->flags.marked){
  44     sum_tally->marked_count++;
  45     sum_tally->marked_bytes += cur_frame->pkt_len;
  46   }
  47   if (cur_frame->flags.ignored){
  48     sum_tally->ignored_count++;
  49   }
  50
  51   if (cur_frame->flags.has_ts) {
  52     /* This packet has a time stamp. */
  53     cur_time = nstime_to_sec(&cur_frame->abs_ts);
  54
  55     sum_tally->packet_count_ts++;
  56     if (cur_time < sum_tally->start_time) {
  57       sum_tally->start_time = cur_time;
  58     }
  59     if (cur_time > sum_tally->stop_time){
  60       sum_tally->stop_time = cur_time;
  61     }
  62     if (cur_frame->flags.passed_dfilter){
  63       sum_tally->filtered_count_ts++;
  64       /*
  65        * If we've seen one filtered packet, this is the first
  66        * one.
  67        */
  68       if (sum_tally->filtered_count == 1){
  69         sum_tally->filtered_start= cur_time;
  70         sum_tally->filtered_stop = cur_time;
  71       } else {
  72         if (cur_time < sum_tally->filtered_start) {
  73           sum_tally->filtered_start = cur_time;
  74         }
  75         if (cur_time > sum_tally->filtered_stop) {
  76           sum_tally->filtered_stop = cur_time;
  77         }
  78       }
  79     }
  80     if (cur_frame->flags.marked){
  81       sum_tally->marked_count_ts++;
  82       /*
  83        * If we've seen one marked packet, this is the first
  84        * one.
  85        */
  86       if (sum_tally->marked_count == 1){
  87         sum_tally->marked_start= cur_time;
  88         sum_tally->marked_stop = cur_time;
  89       } else {
  90         if (cur_time < sum_tally->marked_start) {
  91           sum_tally->marked_start = cur_time;
  92         }
  93         if (cur_time > sum_tally->marked_stop) {
  94           sum_tally->marked_stop = cur_time;
  95         }
  96       }
  97     }
  98   }
  99 }
 100
 101 void
 102 summary_fill_in(capture_file *cf, summary_tally *st)
 103 {
 104   frame_data    *first_frame, *cur_frame;
 105   guint32        framenum;
 106   iface_options iface;
 107   guint i;
 108   wtapng_iface_descriptions_t* idb_info;
 109   wtap_block_t wtapng_if_descr;
 110   wtapng_if_descr_mandatory_t *wtapng_if_descr_mand;
 111   wtap_block_t if_stats;
 112   guint64 isb_ifdrop;
 113   char* if_string;
 114   wtapng_if_descr_filter_t* if_filter;
 115
 116   st->packet_count_ts = 0;
 117   st->start_time = 0;
 118   st->stop_time = 0;
 119   st->bytes = 0;
 120   st->filtered_count = 0;
 121   st->filtered_count_ts = 0;
 122   st->filtered_start = 0;
 123   st->filtered_stop = 0;
 124   st->filtered_bytes = 0;
 125   st->marked_count = 0;
 126   st->marked_count_ts = 0;
 127   st->marked_start = 0;
 128   st->marked_stop = 0;
 129   st->marked_bytes = 0;
 130   st->ignored_count = 0;
 131
 132   /* initialize the tally */
 133   if (cf->count != 0) {
 134     first_frame = frame_data_sequence_find(cf->frames, 1);
 135     st->start_time = nstime_to_sec(&first_frame->abs_ts);
 136     st->stop_time = nstime_to_sec(&first_frame->abs_ts);
 137
 138     for (framenum = 1; framenum <= cf->count; framenum++) {
 139       cur_frame = frame_data_sequence_find(cf->frames, framenum);
 140       tally_frame_data(cur_frame, st);
 141     }
 142   }
 143
 144   st->filename = cf->filename;
 145   st->file_length = cf->f_datalen;
 146   st->file_type = cf->cd_t;
 147   st->iscompressed = cf->iscompressed;
 148   st->is_tempfile = cf->is_tempfile;
 149   st->file_encap_type = cf->lnk_t;
 150   st->packet_encap_types = cf->linktypes;
 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   st->ifaces  = g_array_new(FALSE, FALSE, sizeof(iface_options));
 159   idb_info = wtap_file_get_idb_info(cf->wth);
 160   for (i = 0; i < idb_info->interface_data->len; i++) {
 161     wtapng_if_descr = g_array_index(idb_info->interface_data, wtap_block_t, i);
 162     wtapng_if_descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(wtapng_if_descr);
 163     if (wtap_block_get_custom_option_value(wtapng_if_descr, OPT_IDB_FILTER, (void**)&if_filter) == WTAP_OPTTYPE_SUCCESS) {
 164       iface.cfilter = g_strdup(if_filter->if_filter_str);
 165     } else {
 166       iface.cfilter = NULL;
 167     }
 168     if (wtap_block_get_string_option_value(wtapng_if_descr, OPT_IDB_NAME, &if_string) == WTAP_OPTTYPE_SUCCESS) {
 169       iface.name = g_strdup(if_string);
 170     } else {
 171       iface.name = NULL;
 172     }
 173     if (wtap_block_get_string_option_value(wtapng_if_descr, OPT_IDB_DESCR, &if_string) == WTAP_OPTTYPE_SUCCESS) {
 174       iface.descr = g_strdup(if_string);
 175     } else {
 176       iface.descr = NULL;
 177     }
 178     iface.drops_known = FALSE;
 179     iface.drops = 0;
 180     iface.snap = wtapng_if_descr_mand->snap_len;
 181     iface.encap_type = wtapng_if_descr_mand->wtap_encap;
 182     iface.isb_comment = NULL;
 183     if(wtapng_if_descr_mand->num_stat_entries == 1){
 184       /* dumpcap only writes one ISB, only handle that for now */
 185       if_stats = g_array_index(wtapng_if_descr_mand->interface_statistics, wtap_block_t, 0);
 186       if (wtap_block_get_uint64_option_value(if_stats, OPT_ISB_IFDROP, &isb_ifdrop) == WTAP_OPTTYPE_SUCCESS) {
 187         iface.drops_known = TRUE;
 188         iface.drops = isb_ifdrop;
 189       }
 190       /* XXX: this doesn't get used, and might need to be g_strdup'ed when it does */
 191       /* XXX - support multiple comments */
 192       if (wtap_block_get_nth_string_option_value(if_stats, OPT_COMMENT, 0, &iface.isb_comment) != WTAP_OPTTYPE_SUCCESS) {
 193         iface.isb_comment = NULL;
 194       }
 195     }
 196     g_array_append_val(st->ifaces, iface);
 197   }
 198   g_free(idb_info);
 199 }
 200
 201 #ifdef HAVE_LIBPCAP
 202 void
 203 summary_fill_in_capture(capture_file *cf,capture_options *capture_opts, summary_tally *st)
 204 {
 205   iface_options iface;
 206   interface_t device;
 207   guint i;
 208
 209   if (st->ifaces->len == 0) {
 210     /*
 211      * XXX - do this only if we have a live capture.
 212      */
 213     for (i = 0; i < capture_opts->all_ifaces->len; i++) {
 214       device = g_array_index(capture_opts->all_ifaces, interface_t, i);
 215       if (!device.selected) {
 216         continue;
 217       }
 218       iface.cfilter = g_strdup(device.cfilter);
 219       iface.name = g_strdup(device.name);
 220       iface.descr = g_strdup(device.display_name);
 221       iface.drops_known = cf->drops_known;
 222       iface.drops = cf->drops;
 223       iface.snap = device.snaplen;
 224       iface.encap_type = wtap_pcap_encap_to_wtap_encap(device.active_dlt);
 225       g_array_append_val(st->ifaces, iface);
 226     }
 227   }
 228 }
 229 #endif
 230
 231 /*
 232  * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 233  *
 234  * Local Variables:
 235  * c-basic-offset: 2
 236  * tab-width: 8
 237  * indent-tabs-mode: nil
 238  * End:
 239  *
 240  * ex: set shiftwidth=2 tabstop=8 expandtab:
 241  * :indentSize=2:tabSize=8:noTabs=true:
 242  */