2 * CAMEL Service Response Time statistics for tshark
3 * Copyright 2006 Florent Drouin (based on tap_h225rassrt.c from Lars Roland)
5 * Wireshark - Network traffic analyzer
6 * By Gerald Combs <gerald@wireshark.org>
7 * Copyright 1998 Gerald Combs
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
30 #include "epan/packet.h"
32 #include "epan/value_string.h"
33 #include "epan/asn1.h"
34 #include "epan/dissectors/packet-camel.h"
35 #include "epan/dissectors/packet-tcap.h"
36 #include "epan/timestats.h"
37 #include "epan/stat_tap_ui.h"
40 void register_tap_listener_camelsrt(void);
42 /* Save the the first NUM_RAS_STATS stats in the array to calculate percentile */
43 #define NUM_RAS_STATS 500000
45 /* Number of couple message Request/Response to analyze*/
48 /* used to keep track of the statistics for an entire program interface */
51 guint32 count[NB_CAMELSRT_CATEGORY];
52 timestat_t stats[NB_CAMELSRT_CATEGORY];
53 nstime_t delta_time[NB_CAMELSRT_CATEGORY][NUM_RAS_STATS];
56 /* Reset the counter */
57 static void camelsrt_reset(void *phs)
59 struct camelsrt_t *hs = (struct camelsrt_t *)phs;
60 memset(hs, 0, sizeof(struct camelsrt_t));
64 static int camelsrt_packet(void *phs,
65 packet_info *pinfo _U_,
66 epan_dissect_t *edt _U_,
69 struct camelsrt_t *hs = (struct camelsrt_t *)phs;
70 const struct camelsrt_info_t * pi = (const struct camelsrt_info_t *)phi;
73 for (i=0; i<NB_CAMELSRT_CATEGORY; i++) {
74 if (pi->bool_msginfo[i] &&
75 pi->msginfo[i].is_delta_time
76 && pi->msginfo[i].request_available
77 && !pi->msginfo[i].is_duplicate ) {
79 time_stat_update(&(hs->stats[i]),
80 &(pi->msginfo[i].delta_time),
83 if (hs->count[i] < NUM_RAS_STATS) {
84 hs->delta_time[i][hs->count[i]++]
85 = pi->msginfo[i].delta_time;
93 static void camelsrt_draw(void *phs)
95 struct camelsrt_t *hs = (struct camelsrt_t *)phs;
98 int somme, iteration = 0;
100 double x, delay, delay_max, delay_min, delta;
101 double criteria[NB_CRITERIA] = { 5.0, 10.0, 75.0, 90.0, 95.0, 99.0, 99.90 };
102 double delay_criteria[NB_CRITERIA];
106 printf("Camel Service Response Time (SRT) Statistics:\n");
107 printf("=================================================================================================\n");
108 printf("| Category | Measure | Min SRT | Max SRT | Avg SRT | Min frame | Max frame |\n");
109 printf("|-------------------------|---------|-----------|-----------|-----------|-----------|-----------|\n");
112 tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
113 printf("|%24s |%8u |%8.2f s |%8.2f s |%8.2f s |%10u |%10u |\n",
116 nstime_to_sec(&(hs->stats[j].min)),
117 nstime_to_sec(&(hs->stats[j].max)),
118 get_average(&(hs->stats[j].tot), hs->stats[j].num)/1000.0,
119 hs->stats[j].min_num,
122 wmem_free(NULL, tmp_str);
123 for (j=2; j<NB_CAMELSRT_CATEGORY; j++) {
124 if (hs->stats[j].num == 0) {
125 tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
126 printf("|%24s |%8u |%8.2f ms|%8.2f ms|%8.2f ms|%10u |%10u |\n",
127 tmp_str, 0U, 0.0, 0.0, 0.0, 0U, 0U);
128 wmem_free(NULL, tmp_str);
132 tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
133 printf("|%24s |%8u |%8.2f ms|%8.2f ms|%8.2f ms|%10u |%10u |\n",
136 MIN(9999, nstime_to_msec(&(hs->stats[j].min))),
137 MIN(9999, nstime_to_msec(&(hs->stats[j].max))),
138 MIN(9999, get_average(&(hs->stats[j].tot), hs->stats[j].num)),
139 hs->stats[j].min_num,
142 wmem_free(NULL, tmp_str);
145 printf("=================================================================================================\n");
150 printf("| Category/Criteria |");
151 for (z=0; z<NB_CRITERIA; z++) printf("%7.2f%% |", criteria[z]);
154 printf("|-------------------------|");
155 for (z=0; z<NB_CRITERIA; z++) printf("---------|");
157 /* calculate the delay max to have a given number of messages (in percentage) */
158 for (j=2; j<NB_CAMELSRT_CATEGORY;j++) {
160 rtd_temp = &(hs->stats[j]);
162 if (hs->count[j] > 0) {
163 /* Calculate the delay to answer to p% of the MS */
164 for (z=0; z<NB_CRITERIA; z++) {
166 delay_max = (double)rtd_temp->max.secs*1000 +(double)rtd_temp->max.nsecs/1000000;
167 delay_min = (double)rtd_temp->min.secs*1000 +(double)rtd_temp->min.nsecs/1000000;
169 delta = delay_max-delay_min;
170 while ( (delta > 0.001) && (iteration < 10000) ) {
174 for (li=0; li<hs->count[j]; li++) {
175 x = hs->delta_time[j][li].secs*1000
176 + (double)hs->delta_time[j][li].nsecs/1000000;
177 if (x <= delay) somme++;
179 if ( somme*100 > hs->count[j]*criteria[z] ) { /* trop grand */
181 delay = (delay_max+delay_min)/2;
182 delta = delay_max-delay_min;
183 } else { /* trop petit */
185 delay = (delay_max+delay_min)/2;
186 delta = delay_max-delay_min;
189 delay_criteria[z] = delay;
191 /* Append the result to the table */
192 tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
193 printf("X%24s |", tmp_str);
194 wmem_free(NULL, tmp_str);
195 for (z=0; z<NB_CRITERIA; z++) printf("%8.2f |", MIN(9999, delay_criteria[z]));
198 tmp_str = val_to_str_wmem(NULL, j, camelSRTtype_naming, "Unknown Message 0x%02x");
199 printf("X%24s |", tmp_str);
200 wmem_free(NULL, tmp_str);
201 for (z=0; z<NB_CRITERIA; z++) printf("%8.2f |", 0.0);
205 printf("===========================");
206 for (z=0; z<NB_CRITERIA; z++) printf("==========");
210 static void camelsrt_init(const char *opt_arg, void *userdata _U_)
212 struct camelsrt_t *p_camelsrt;
213 GString *error_string;
215 p_camelsrt = g_new(struct camelsrt_t, 1);
216 if (!strncmp(opt_arg, "camel,srt,", 9)) {
217 p_camelsrt->filter = g_strdup(opt_arg+9);
219 p_camelsrt->filter = NULL;
221 camelsrt_reset(p_camelsrt);
223 error_string = register_tap_listener("CAMEL",
232 /* error, we failed to attach to the tap. clean up */
233 g_free(p_camelsrt->filter);
236 fprintf(stderr, "tshark: Couldn't register camel,srt tap: %s\n",
238 g_string_free(error_string, TRUE);
243 * If we are using tshark, we have to display the stats, even if the stats are not persistent
244 * As the frame are proceeded in the chronological order, we do not need persistent stats
245 * Whereas, with wireshark, it is not possible to have the correct display, if the stats are
246 * not saved along the analyze
248 gtcap_StatSRT = TRUE;
249 gcamel_StatSRT = TRUE;
252 static stat_tap_ui camelsrt_ui = {
253 REGISTER_STAT_GROUP_GENERIC,
261 void /* Next line mandatory */
262 register_tap_listener_camelsrt(void)
264 register_stat_tap_ui(&camelsrt_ui, NULL);
268 * Editor modelines - http://www.wireshark.org/tools/modelines.html
273 * indent-tabs-mode: nil
276 * ex: set shiftwidth=2 tabstop=8 expandtab:
277 * :indentSize=2:tabSize=8:noTabs=true: