forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
really more of an Ethereal/Tethereal component than a libethereal component (nothing else in libethereal knows about capture files); move it back out of libethereal. (The range stuff doesn't; we leave it in libethereal.) svn path=/trunk/; revision=11898
254 lines
7.4 KiB
C
254 lines
7.4 KiB
C
/* packet-range.c
|
|
* Packet range routines (save, print, ...)
|
|
*
|
|
* $Id$
|
|
*
|
|
* Dick Gooris <gooris@lucent.com>
|
|
* Ulf Lamping <ulf.lamping@web.de>
|
|
*
|
|
* Ethereal - Network traffic analyzer
|
|
* By Gerald Combs <gerald@ethereal.com>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
|
|
#include <glib.h>
|
|
|
|
#include <epan/frame_data.h>
|
|
|
|
#include "globals.h"
|
|
|
|
#include "packet-range.h"
|
|
|
|
/* (re-)calculate the packet counts (except the user specified range) */
|
|
void packet_range_calc(packet_range_t *range) {
|
|
guint32 current_count;
|
|
guint32 mark_low;
|
|
guint32 mark_high;
|
|
guint32 displayed_mark_low;
|
|
guint32 displayed_mark_high;
|
|
frame_data *packet;
|
|
|
|
|
|
range->selected_packet = 0L;
|
|
|
|
mark_low = 0L;
|
|
mark_high = 0L;
|
|
range->mark_range_cnt = 0L;
|
|
|
|
displayed_mark_low = 0L;
|
|
displayed_mark_high = 0L;
|
|
range->displayed_cnt = 0L;
|
|
range->displayed_marked_cnt = 0L;
|
|
range->displayed_mark_range_cnt=0L;
|
|
|
|
/* The next for-loop is used to obtain the amount of packets to be processed
|
|
* and is used to present the information in the Save/Print As widget.
|
|
* We have different types of ranges: All the packets, the number
|
|
* of packets of a marked range, a single packet, and a user specified
|
|
* packet range. The last one is not calculated here since this
|
|
* data must be entered in the widget by the user.
|
|
*/
|
|
|
|
current_count = 0;
|
|
for(packet = cfile.plist; packet != NULL; packet = packet->next) {
|
|
current_count++;
|
|
if (cfile.current_frame == packet) {
|
|
range->selected_packet = current_count;
|
|
}
|
|
if (packet->flags.passed_dfilter) {
|
|
range->displayed_cnt++;
|
|
}
|
|
if (packet->flags.marked) {
|
|
if (packet->flags.passed_dfilter) {
|
|
range->displayed_marked_cnt++;
|
|
if (displayed_mark_low == 0) {
|
|
displayed_mark_low = current_count;
|
|
}
|
|
if (current_count > displayed_mark_high) {
|
|
displayed_mark_high = current_count;
|
|
}
|
|
}
|
|
|
|
if (mark_low == 0) {
|
|
mark_low = current_count;
|
|
}
|
|
if (current_count > mark_high) {
|
|
mark_high = current_count;
|
|
}
|
|
}
|
|
}
|
|
|
|
current_count = 0;
|
|
for(packet = cfile.plist; packet != NULL; packet = packet->next) {
|
|
current_count++;
|
|
|
|
if (current_count >= mark_low &&
|
|
current_count <= mark_high)
|
|
{
|
|
range->mark_range_cnt++;
|
|
}
|
|
|
|
if (current_count >= displayed_mark_low &&
|
|
current_count <= displayed_mark_high)
|
|
{
|
|
if (packet->flags.passed_dfilter) {
|
|
range->displayed_mark_range_cnt++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* in case we marked just one packet, we add 1. */
|
|
/*if (cfile.marked_count != 0) {
|
|
range->mark_range = mark_high - mark_low + 1;
|
|
}*/
|
|
|
|
/* in case we marked just one packet, we add 1. */
|
|
/*if (range->displayed_marked_cnt != 0) {
|
|
range->displayed_mark_range = displayed_mark_high - displayed_mark_low + 1;
|
|
}*/
|
|
}
|
|
|
|
|
|
/* (re-)calculate the user specified packet range counts */
|
|
void packet_range_calc_user(packet_range_t *range) {
|
|
guint32 current_count;
|
|
frame_data *packet;
|
|
|
|
range->user_range_cnt = 0L;
|
|
range->displayed_user_range_cnt = 0L;
|
|
|
|
current_count = 0;
|
|
for(packet = cfile.plist; packet != NULL; packet = packet->next) {
|
|
current_count++;
|
|
|
|
if (value_is_in_range(&range->user_range, current_count)) {
|
|
range->user_range_cnt++;
|
|
if (packet->flags.passed_dfilter) {
|
|
range->displayed_user_range_cnt++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* init the range struct */
|
|
void packet_range_init(packet_range_t *range) {
|
|
|
|
range->process = range_process_all;
|
|
range->process_filtered = FALSE;
|
|
range_init(&range->user_range);
|
|
|
|
/* calculate all packet range counters */
|
|
packet_range_calc(range);
|
|
packet_range_calc_user(range);
|
|
}
|
|
|
|
/* init the processing run */
|
|
void packet_range_process_init(packet_range_t *range) {
|
|
/* "enumeration" values */
|
|
range->marked_range_active = FALSE;
|
|
range->selected_done = FALSE;
|
|
|
|
if (range->process_filtered == FALSE) {
|
|
range->marked_range_left = range->mark_range_cnt;
|
|
} else {
|
|
range->marked_range_left = range->displayed_mark_range_cnt;
|
|
}
|
|
}
|
|
|
|
/* do we have to process all packets? */
|
|
gboolean packet_range_process_all(packet_range_t *range) {
|
|
return range->process == range_process_all && !range->process_filtered;
|
|
}
|
|
|
|
/* do we have to process this packet? */
|
|
range_process_e packet_range_process_packet(packet_range_t *range, frame_data *fdata) {
|
|
|
|
switch(range->process) {
|
|
case(range_process_all):
|
|
break;
|
|
case(range_process_selected):
|
|
if (range->selected_done) {
|
|
return range_processing_finished;
|
|
}
|
|
if (fdata->num != cfile.current_frame->num) {
|
|
return range_process_next;
|
|
}
|
|
range->selected_done = TRUE;
|
|
break;
|
|
case(range_process_marked):
|
|
if (fdata->flags.marked == FALSE) {
|
|
return range_process_next;
|
|
}
|
|
break;
|
|
case(range_process_marked_range):
|
|
if (range->marked_range_left == 0) {
|
|
return range_processing_finished;
|
|
}
|
|
if (fdata->flags.marked == TRUE) {
|
|
range->marked_range_active = TRUE;
|
|
}
|
|
if (range->marked_range_active == FALSE ) {
|
|
return range_process_next;
|
|
}
|
|
if (!range->process_filtered ||
|
|
(range->process_filtered && fdata->flags.passed_dfilter == TRUE))
|
|
{
|
|
range->marked_range_left--;
|
|
}
|
|
break;
|
|
case(range_process_user_range):
|
|
if (value_is_in_range(&range->user_range, fdata->num) == FALSE) {
|
|
return range_process_next;
|
|
}
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
|
|
/* this packet has to pass the display filter but didn't? -> try next */
|
|
if (range->process_filtered && fdata->flags.passed_dfilter == FALSE) {
|
|
return range_process_next;
|
|
}
|
|
|
|
/* We fell through the conditions above, so we accept this packet */
|
|
return range_process_this;
|
|
}
|
|
|
|
|
|
/******************** Range Entry Parser *********************************/
|
|
|
|
/* Converts a range string to a user range.
|
|
* The parameter 'es' points to the string to be converted, and is defined in
|
|
* the Save/Print-As widget.
|
|
*/
|
|
|
|
void packet_range_convert_str(packet_range_t *range, const gchar *es)
|
|
{
|
|
range_convert_str(&range->user_range, es, cfile.count);
|
|
|
|
/* calculate new user specified packet range counts */
|
|
packet_range_calc_user(range);
|
|
} /* packet_range_convert_str */
|