* Dick Gooris <gooris@lucent.com>
* Ulf Lamping <ulf.lamping@web.de>
*
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
*
* 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
+#include <stdio.h>
#include <string.h>
#include <ctype.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) {
+static void packet_range_calc(packet_range_t *range) {
+ guint32 framenum;
+ 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;
+ range->ignored_cnt = 0L;
+ range->ignored_marked_cnt = 0L;
+ range->ignored_mark_range_cnt = 0L;
+ range->ignored_user_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;
+ range->displayed_plus_dependents_cnt = 0L;
+ range->displayed_ignored_cnt = 0L;
+ range->displayed_ignored_marked_cnt = 0L;
+ range->displayed_ignored_mark_range_cnt = 0L;
+ range->displayed_ignored_user_range_cnt = 0L;
+
+ g_assert(range->cf != NULL);
+
+ /* XXX - this doesn't work unless you have a full set of frame_data
+ * structures for all packets in the capture, which is not,
+ * for example, the case when TShark is doing a one-pass
+ * read of a file or a live capture.
+ *
+ * It's also horribly slow on large captures, causing it to
+ * take a long time for the Save As dialog to pop up, for
+ * example. We should really keep these statistics in
+ * the capture_file structure, updating them whenever we
+ * filter the display, etc..
+ */
+ if (range->cf->frames != NULL) {
+ /* 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.
+ */
+
+ for(framenum = 1; framenum <= range->cf->count; framenum++) {
+ packet = frame_data_sequence_find(range->cf->frames, framenum);
+
+ if (range->cf->current_frame == packet) {
+ range->selected_packet = framenum;
+ }
if (packet->flags.passed_dfilter) {
- range->displayed_marked_cnt++;
- if (displayed_mark_low == 0) {
- displayed_mark_low = current_count;
+ range->displayed_cnt++;
+ }
+ if (packet->flags.passed_dfilter ||
+ packet->flags.dependent_of_displayed) {
+ range->displayed_plus_dependents_cnt++;
+ }
+ if (packet->flags.marked) {
+ if (packet->flags.ignored) {
+ range->ignored_marked_cnt++;
}
- if (current_count > displayed_mark_high) {
- displayed_mark_high = current_count;
+ if (packet->flags.passed_dfilter) {
+ range->displayed_marked_cnt++;
+ if (packet->flags.ignored) {
+ range->displayed_ignored_marked_cnt++;
+ }
+ if (displayed_mark_low == 0) {
+ displayed_mark_low = framenum;
+ }
+ if (framenum > displayed_mark_high) {
+ displayed_mark_high = framenum;
+ }
+ }
+
+ if (mark_low == 0) {
+ mark_low = framenum;
+ }
+ if (framenum > mark_high) {
+ mark_high = framenum;
+ }
+ }
+ if (packet->flags.ignored) {
+ range->ignored_cnt++;
+ if (packet->flags.passed_dfilter) {
+ range->displayed_ignored_cnt++;
}
}
+ }
+
+ for(framenum = 1; framenum <= range->cf->count; framenum++) {
+ packet = frame_data_sequence_find(range->cf->frames, framenum);
- if (mark_low == 0) {
- mark_low = current_count;
+ if (framenum >= mark_low &&
+ framenum <= mark_high)
+ {
+ range->mark_range_cnt++;
+ if (packet->flags.ignored) {
+ range->ignored_mark_range_cnt++;
+ }
}
- if (current_count > mark_high) {
- mark_high = current_count;
+
+ if (framenum >= displayed_mark_low &&
+ framenum <= displayed_mark_high)
+ {
+ if (packet->flags.passed_dfilter) {
+ range->displayed_mark_range_cnt++;
+ if (packet->flags.ignored) {
+ range->displayed_ignored_mark_range_cnt++;
+ }
+ }
}
- }
- }
-
- 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;
- }*/
+ }
+
+#if 0
+ /* in case we marked just one packet, we add 1. */
+ if (range->cf->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;
+ }
+#endif
+ }
}
/* (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++;
- }
- }
- }
+static void packet_range_calc_user(packet_range_t *range) {
+ guint32 framenum;
+ frame_data *packet;
+
+ range->user_range_cnt = 0L;
+ range->ignored_user_range_cnt = 0L;
+ range->displayed_user_range_cnt = 0L;
+ range->displayed_ignored_user_range_cnt = 0L;
+
+ g_assert(range->cf != NULL);
+
+ /* XXX - this doesn't work unless you have a full set of frame_data
+ * structures for all packets in the capture, which is not,
+ * for example, the case when TShark is doing a one-pass
+ * read of a file or a live capture.
+ *
+ * It's also horribly slow on large captures, causing it to
+ * take a long time for the Save As dialog to pop up, for
+ * example. This obviously can't be kept in the capture_file
+ * structure and recalculated whenever we filter the display
+ * or mark frames as ignored, as the results of this depend
+ * on what the user specifies. In some cases, limiting the
+ * frame_data structures at which we look to the ones specified
+ * by the user might help, but if most of the frames are in
+ * the range, that won't help. In that case, if we could
+ * examine the *complement* of the range, and *subtract* them
+ * from the statistics for the capture as a whole, that might
+ * help, but if the user specified about *half* the packets in
+ * the range, that won't help, either.
+ */
+ if (range->cf->frames != NULL) {
+ for(framenum = 1; framenum <= range->cf->count; framenum++) {
+ packet = frame_data_sequence_find(range->cf->frames, framenum);
+
+ if (value_is_in_range(range->user_range, framenum)) {
+ range->user_range_cnt++;
+ if (packet->flags.ignored) {
+ range->ignored_user_range_cnt++;
+ }
+ if (packet->flags.passed_dfilter) {
+ range->displayed_user_range_cnt++;
+ if (packet->flags.ignored) {
+ range->displayed_ignored_user_range_cnt++;
+ }
+ }
+ }
+ }
+ }
}
/* init the range struct */
-void packet_range_init(packet_range_t *range) {
+void packet_range_init(packet_range_t *range, capture_file *cf) {
+
+ memset(range, 0, sizeof(packet_range_t));
+ range->process = range_process_all;
+ range->user_range = range_empty();
+ range->cf = cf;
- 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);
+}
- /* calculate all packet range counters */
- packet_range_calc(range);
- packet_range_calc_user(range);
+/* check whether the packet range is OK */
+convert_ret_t packet_range_check(packet_range_t *range) {
+ if (range->process == range_process_user_range && range->user_range == NULL) {
+ /* Not valid - return the error. */
+ return range->user_range_status;
+ }
+ return CVT_NO_ERROR;
}
/* 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;
- }
+ /* Check that, if an explicit range was selected, it's valid. */
+ /* "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;
+ return range->process == range_process_all && !range->process_filtered && !range->remove_ignored;
}
/* do we have to process this packet? */
range_process_e packet_range_process_packet(packet_range_t *range, frame_data *fdata) {
+ if (range->remove_ignored && fdata->flags.ignored) {
+ return range_process_next;
+ }
+
+ g_assert(range->cf != NULL);
+
switch(range->process) {
case(range_process_all):
break;
if (range->selected_done) {
return range_processing_finished;
}
- if (fdata->num != cfile.current_frame->num) {
+ if (fdata->num != range->cf->current_frame->num) {
return range_process_next;
}
range->selected_done = TRUE;
}
break;
case(range_process_user_range):
- if (value_is_in_range(&range->user_range, fdata->num) == FALSE) {
+ if (value_is_in_range(range->user_range, fdata->num) == FALSE) {
return range_process_next;
}
break;
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) {
+ /* This packet has to pass the display filter but didn't?
+ * Try next, but only if we're not including dependent packets and this
+ * packet happens to be a dependency on something that is displayed.
+ */
+ if ((range->process_filtered && fdata->flags.passed_dfilter == FALSE) &&
+ !(range->include_dependents && fdata->flags.dependent_of_displayed)) {
return range_process_next;
}
void packet_range_convert_str(packet_range_t *range, const gchar *es)
{
- range_convert_str(&range->user_range, es, cfile.count);
+ range_t *new_range;
+ convert_ret_t ret;
+
+ if (range->user_range != NULL)
+ g_free(range->user_range);
+
+ g_assert(range->cf != NULL);
+
+ ret = range_convert_str(&new_range, es, range->cf->count);
+ if (ret != CVT_NO_ERROR) {
+ /* range isn't valid */
+ range->user_range = NULL;
+ range->user_range_status = ret;
+ range->user_range_cnt = 0L;
+ range->ignored_user_range_cnt = 0L;
+ range->displayed_user_range_cnt = 0L;
+ range->displayed_ignored_user_range_cnt = 0L;
+ return;
+ }
+ range->user_range = new_range;
/* calculate new user specified packet range counts */
packet_range_calc_user(range);