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) {
46 guint32 current_count;
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.
83 for(packet = cfile.plist_start; packet != NULL; packet = packet->next) {
85 if (cfile.current_frame == packet) {
86 range->selected_packet = current_count;
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 = current_count;
103 if (current_count > displayed_mark_high) {
104 displayed_mark_high = current_count;
109 mark_low = current_count;
111 if (current_count > mark_high) {
112 mark_high = current_count;
115 if (packet->flags.ignored) {
116 range->ignored_cnt++;
117 if (packet->flags.passed_dfilter) {
118 range->displayed_ignored_cnt++;
124 for(packet = cfile.plist_start; packet != NULL; packet = packet->next) {
127 if (current_count >= mark_low &&
128 current_count <= mark_high)
130 range->mark_range_cnt++;
131 if (packet->flags.ignored) {
132 range->ignored_mark_range_cnt++;
136 if (current_count >= displayed_mark_low &&
137 current_count <= displayed_mark_high)
139 if (packet->flags.passed_dfilter) {
140 range->displayed_mark_range_cnt++;
141 if (packet->flags.ignored) {
142 range->displayed_ignored_mark_range_cnt++;
148 /* in case we marked just one packet, we add 1. */
149 /*if (cfile.marked_count != 0) {
150 range->mark_range = mark_high - mark_low + 1;
153 /* in case we marked just one packet, we add 1. */
154 /*if (range->displayed_marked_cnt != 0) {
155 range->displayed_mark_range = displayed_mark_high - displayed_mark_low + 1;
160 /* (re-)calculate the user specified packet range counts */
161 static void packet_range_calc_user(packet_range_t *range) {
162 guint32 current_count;
165 range->user_range_cnt = 0L;
166 range->ignored_user_range_cnt = 0L;
167 range->displayed_user_range_cnt = 0L;
168 range->displayed_ignored_user_range_cnt = 0L;
171 for(packet = cfile.plist_start; packet != NULL; packet = packet->next) {
174 if (value_is_in_range(range->user_range, current_count)) {
175 range->user_range_cnt++;
176 if (packet->flags.ignored) {
177 range->ignored_user_range_cnt++;
179 if (packet->flags.passed_dfilter) {
180 range->displayed_user_range_cnt++;
181 if (packet->flags.ignored) {
182 range->displayed_ignored_user_range_cnt++;
190 /* init the range struct */
191 void packet_range_init(packet_range_t *range) {
193 range->process = range_process_all;
194 range->process_filtered = FALSE;
195 range->remove_ignored = FALSE;
196 range->user_range = range_empty();
198 /* calculate all packet range counters */
199 packet_range_calc(range);
200 packet_range_calc_user(range);
203 /* check whether the packet range is OK */
204 convert_ret_t packet_range_check(packet_range_t *range) {
205 if (range->process == range_process_user_range && range->user_range == NULL) {
206 /* Not valid - return the error. */
207 return range->user_range_status;
212 /* init the processing run */
213 void packet_range_process_init(packet_range_t *range) {
214 /* Check that, if an explicit range was selected, it's valid. */
215 /* "enumeration" values */
216 range->marked_range_active = FALSE;
217 range->selected_done = FALSE;
219 if (range->process_filtered == FALSE) {
220 range->marked_range_left = range->mark_range_cnt;
222 range->marked_range_left = range->displayed_mark_range_cnt;
226 /* do we have to process all packets? */
227 gboolean packet_range_process_all(packet_range_t *range) {
228 return range->process == range_process_all && !range->process_filtered && !range->remove_ignored;
231 /* do we have to process this packet? */
232 range_process_e packet_range_process_packet(packet_range_t *range, frame_data *fdata) {
234 if (range->remove_ignored && fdata->flags.ignored) {
235 return range_process_next;
238 switch(range->process) {
239 case(range_process_all):
241 case(range_process_selected):
242 if (range->selected_done) {
243 return range_processing_finished;
245 if (fdata->num != cfile.current_frame->num) {
246 return range_process_next;
248 range->selected_done = TRUE;
250 case(range_process_marked):
251 if (fdata->flags.marked == FALSE) {
252 return range_process_next;
255 case(range_process_marked_range):
256 if (range->marked_range_left == 0) {
257 return range_processing_finished;
259 if (fdata->flags.marked == TRUE) {
260 range->marked_range_active = TRUE;
262 if (range->marked_range_active == FALSE ) {
263 return range_process_next;
265 if (!range->process_filtered ||
266 (range->process_filtered && fdata->flags.passed_dfilter == TRUE))
268 range->marked_range_left--;
271 case(range_process_user_range):
272 if (value_is_in_range(range->user_range, fdata->num) == FALSE) {
273 return range_process_next;
277 g_assert_not_reached();
280 /* this packet has to pass the display filter but didn't? -> try next */
281 if (range->process_filtered && fdata->flags.passed_dfilter == FALSE) {
282 return range_process_next;
285 /* We fell through the conditions above, so we accept this packet */
286 return range_process_this;
290 /******************** Range Entry Parser *********************************/
292 /* Converts a range string to a user range.
293 * The parameter 'es' points to the string to be converted, and is defined in
294 * the Save/Print-As widget.
297 void packet_range_convert_str(packet_range_t *range, const gchar *es)
302 if (range->user_range != NULL)
303 g_free(range->user_range);
304 ret = range_convert_str(&new_range, es, cfile.count);
305 if (ret != CVT_NO_ERROR) {
306 /* range isn't valid */
307 range->user_range = NULL;
308 range->user_range_status = ret;
309 range->user_range_cnt = 0L;
310 range->ignored_user_range_cnt = 0L;
311 range->displayed_user_range_cnt = 0L;
312 range->displayed_ignored_user_range_cnt = 0L;
315 range->user_range = new_range;
317 /* calculate new user specified packet range counts */
318 packet_range_calc_user(range);
319 } /* packet_range_convert_str */