2 * Packet range routines (save, print, ...)
6 * Dick Gooris <gooris@lucent.com>
7 * Ulf Lamping <ulf.lamping@web.de>
9 * Wireshark - Network traffic analyzer
10 * By Gerald Combs <gerald@wireshark.org>
11 * Copyright 1998 Gerald Combs
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
38 #include <epan/frame_data.h>
42 #include "packet-range.h"
44 /* (re-)calculate the packet counts (except the user specified range) */
45 static void packet_range_calc(packet_range_t *range) {
49 guint32 displayed_mark_low;
50 guint32 displayed_mark_high;
54 range->selected_packet = 0L;
58 range->mark_range_cnt = 0L;
59 range->ignored_cnt = 0L;
60 range->ignored_marked_cnt = 0L;
61 range->ignored_mark_range_cnt = 0L;
62 range->ignored_user_range_cnt = 0L;
64 displayed_mark_low = 0L;
65 displayed_mark_high = 0L;
66 range->displayed_cnt = 0L;
67 range->displayed_marked_cnt = 0L;
68 range->displayed_mark_range_cnt=0L;
69 range->displayed_ignored_cnt = 0L;
70 range->displayed_ignored_marked_cnt = 0L;
71 range->displayed_ignored_mark_range_cnt = 0L;
72 range->displayed_ignored_user_range_cnt = 0L;
74 /* The next for-loop is used to obtain the amount of packets to be processed
75 * and is used to present the information in the Save/Print As widget.
76 * We have different types of ranges: All the packets, the number
77 * of packets of a marked range, a single packet, and a user specified
78 * packet range. The last one is not calculated here since this
79 * data must be entered in the widget by the user.
82 for(framenum = 1; framenum <= cfile.count; framenum++) {
83 packet = cap_file_find_fdata(&cfile, framenum);
85 if (cfile.current_frame == packet) {
86 range->selected_packet = framenum;
88 if (packet->flags.passed_dfilter) {
89 range->displayed_cnt++;
91 if (packet->flags.marked) {
92 if (packet->flags.ignored) {
93 range->ignored_marked_cnt++;
95 if (packet->flags.passed_dfilter) {
96 range->displayed_marked_cnt++;
97 if (packet->flags.ignored) {
98 range->displayed_ignored_marked_cnt++;
100 if (displayed_mark_low == 0) {
101 displayed_mark_low = framenum;
103 if (framenum > displayed_mark_high) {
104 displayed_mark_high = framenum;
111 if (framenum > mark_high) {
112 mark_high = framenum;
115 if (packet->flags.ignored) {
116 range->ignored_cnt++;
117 if (packet->flags.passed_dfilter) {
118 range->displayed_ignored_cnt++;
123 for(framenum = 1; framenum <= cfile.count; framenum++) {
124 packet = cap_file_find_fdata(&cfile, framenum);
126 if (framenum >= mark_low &&
127 framenum <= mark_high)
129 range->mark_range_cnt++;
130 if (packet->flags.ignored) {
131 range->ignored_mark_range_cnt++;
135 if (framenum >= displayed_mark_low &&
136 framenum <= displayed_mark_high)
138 if (packet->flags.passed_dfilter) {
139 range->displayed_mark_range_cnt++;
140 if (packet->flags.ignored) {
141 range->displayed_ignored_mark_range_cnt++;
147 /* in case we marked just one packet, we add 1. */
148 /*if (cfile.marked_count != 0) {
149 range->mark_range = mark_high - mark_low + 1;
152 /* in case we marked just one packet, we add 1. */
153 /*if (range->displayed_marked_cnt != 0) {
154 range->displayed_mark_range = displayed_mark_high - displayed_mark_low + 1;
159 /* (re-)calculate the user specified packet range counts */
160 static void packet_range_calc_user(packet_range_t *range) {
164 range->user_range_cnt = 0L;
165 range->ignored_user_range_cnt = 0L;
166 range->displayed_user_range_cnt = 0L;
167 range->displayed_ignored_user_range_cnt = 0L;
169 for(framenum = 1; framenum <= cfile.count; framenum++) {
170 packet = cap_file_find_fdata(&cfile, framenum);
172 if (value_is_in_range(range->user_range, framenum)) {
173 range->user_range_cnt++;
174 if (packet->flags.ignored) {
175 range->ignored_user_range_cnt++;
177 if (packet->flags.passed_dfilter) {
178 range->displayed_user_range_cnt++;
179 if (packet->flags.ignored) {
180 range->displayed_ignored_user_range_cnt++;
188 /* init the range struct */
189 void packet_range_init(packet_range_t *range) {
191 range->process = range_process_all;
192 range->process_filtered = FALSE;
193 range->remove_ignored = FALSE;
194 range->user_range = range_empty();
196 /* calculate all packet range counters */
197 packet_range_calc(range);
198 packet_range_calc_user(range);
201 /* check whether the packet range is OK */
202 convert_ret_t packet_range_check(packet_range_t *range) {
203 if (range->process == range_process_user_range && range->user_range == NULL) {
204 /* Not valid - return the error. */
205 return range->user_range_status;
210 /* init the processing run */
211 void packet_range_process_init(packet_range_t *range) {
212 /* Check that, if an explicit range was selected, it's valid. */
213 /* "enumeration" values */
214 range->marked_range_active = FALSE;
215 range->selected_done = FALSE;
217 if (range->process_filtered == FALSE) {
218 range->marked_range_left = range->mark_range_cnt;
220 range->marked_range_left = range->displayed_mark_range_cnt;
224 /* do we have to process all packets? */
225 gboolean packet_range_process_all(packet_range_t *range) {
226 return range->process == range_process_all && !range->process_filtered && !range->remove_ignored;
229 /* do we have to process this packet? */
230 range_process_e packet_range_process_packet(packet_range_t *range, frame_data *fdata) {
232 if (range->remove_ignored && fdata->flags.ignored) {
233 return range_process_next;
236 switch(range->process) {
237 case(range_process_all):
239 case(range_process_selected):
240 if (range->selected_done) {
241 return range_processing_finished;
243 if (fdata->num != cfile.current_frame->num) {
244 return range_process_next;
246 range->selected_done = TRUE;
248 case(range_process_marked):
249 if (fdata->flags.marked == FALSE) {
250 return range_process_next;
253 case(range_process_marked_range):
254 if (range->marked_range_left == 0) {
255 return range_processing_finished;
257 if (fdata->flags.marked == TRUE) {
258 range->marked_range_active = TRUE;
260 if (range->marked_range_active == FALSE ) {
261 return range_process_next;
263 if (!range->process_filtered ||
264 (range->process_filtered && fdata->flags.passed_dfilter == TRUE))
266 range->marked_range_left--;
269 case(range_process_user_range):
270 if (value_is_in_range(range->user_range, fdata->num) == FALSE) {
271 return range_process_next;
275 g_assert_not_reached();
278 /* this packet has to pass the display filter but didn't? -> try next */
279 if (range->process_filtered && fdata->flags.passed_dfilter == FALSE) {
280 return range_process_next;
283 /* We fell through the conditions above, so we accept this packet */
284 return range_process_this;
288 /******************** Range Entry Parser *********************************/
290 /* Converts a range string to a user range.
291 * The parameter 'es' points to the string to be converted, and is defined in
292 * the Save/Print-As widget.
295 void packet_range_convert_str(packet_range_t *range, const gchar *es)
300 if (range->user_range != NULL)
301 g_free(range->user_range);
302 ret = range_convert_str(&new_range, es, cfile.count);
303 if (ret != CVT_NO_ERROR) {
304 /* range isn't valid */
305 range->user_range = NULL;
306 range->user_range_status = ret;
307 range->user_range_cnt = 0L;
308 range->ignored_user_range_cnt = 0L;
309 range->displayed_user_range_cnt = 0L;
310 range->displayed_ignored_user_range_cnt = 0L;
313 range->user_range = new_range;
315 /* calculate new user specified packet range counts */
316 packet_range_calc_user(range);
317 } /* packet_range_convert_str */