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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #ifdef HAVE_SYS_TYPES_H
31 # include <sys/types.h>
35 #include "epan/packet.h"
36 #include "epan/packet_info.h"
38 #include "epan/value_string.h"
40 #include "epan/asn1.h"
41 #include "epan/dissectors/packet-camel.h"
42 #include "epan/camel-persistentdata.h"
43 #include "timestats.h"
44 #include "epan/stat_cmd_args.h"
47 #define MIN(x,y) ((x) < (y) ? (x) : (y))
49 void register_tap_listener_camelsrt(void);
51 /* Save the the first NUM_RAS_STATS stats in the array to calculate percentile */
52 #define NUM_RAS_STATS 500000
54 /* Number of couple message Request/Response to analyze*/
57 /* used to keep track of the statistics for an entire program interface */
60 guint32 count[NB_CAMELSRT_CATEGORY];
61 timestat_t stats[NB_CAMELSRT_CATEGORY];
62 nstime_t delta_time[NB_CAMELSRT_CATEGORY][NUM_RAS_STATS];
65 /* Reset the counter */
66 static void camelsrt_reset(void *phs)
68 struct camelsrt_t *hs=(struct camelsrt_t *)phs;
69 memset(hs,0,sizeof(struct camelsrt_t));
73 static int camelsrt_packet(void *phs,
74 packet_info *pinfo _U_,
75 epan_dissect_t *edt _U_,
78 struct camelsrt_t *hs=(struct camelsrt_t *)phs;
79 const struct camelsrt_info_t * pi=phi;
82 for (i=0; i<NB_CAMELSRT_CATEGORY; i++) {
83 if (pi->bool_msginfo[i] &&
84 pi->msginfo[i].is_delta_time
85 && pi->msginfo[i].request_available
86 && !pi->msginfo[i].is_duplicate ) {
88 time_stat_update(&(hs->stats[i]),
89 &(pi->msginfo[i].delta_time),
92 if (hs->count[i] < NUM_RAS_STATS) {
93 hs->delta_time[i][hs->count[i]++]
94 = pi->msginfo[i].delta_time;
102 static void camelsrt_draw(void *phs)
104 struct camelsrt_t *hs=(struct camelsrt_t *)phs;
107 int somme,iteration=0;
108 timestat_t *rtd_temp;
109 double x,delay,delay_max,delay_min,delta;
110 double criteria[NB_CRITERIA]={ 5.0, 10.0, 75.0, 90.0, 95.0,99.0,99.90 };
111 double delay_criteria[NB_CRITERIA];
114 printf("Camel Service Response Time (SRT) Statistics:\n");
115 printf("=================================================================================================\n");
116 printf("| Category | Measure | Min SRT | Max SRT | Avg SRT | Min frame | Max frame |\n");
117 printf("|-------------------------|---------|-----------|-----------|-----------|-----------|-----------|\n");
120 printf("|%24s |%8u |%8.2f s |%8.2f s |%8.2f s |%10u |%10u |\n",
121 val_to_str(j,camelSRTtype_naming,"Unknown Message 0x%02x"),
123 nstime_to_sec(&(hs->stats[j].min)),
124 nstime_to_sec(&(hs->stats[j].max)),
125 get_average(&(hs->stats[j].tot),hs->stats[j].num)/1000.0,
126 hs->stats[j].min_num,
129 for(j=2; j<NB_CAMELSRT_CATEGORY; j++) {
130 if(hs->stats[j].num==0){
131 printf("|%24s |%8u |%8.2f ms|%8.2f ms|%8.2f ms|%10u |%10u |\n",
132 val_to_str(j,camelSRTtype_naming,"Unknown Message 0x%02x"),
133 0, 0.0, 0.0, 0.0, 0, 0);
137 printf("|%24s |%8u |%8.2f ms|%8.2f ms|%8.2f ms|%10u |%10u |\n",
138 val_to_str(j,camelSRTtype_naming,"Unknown Message 0x%02x"),
140 MIN(9999,nstime_to_msec(&(hs->stats[j].min))),
141 MIN(9999,nstime_to_msec(&(hs->stats[j].max))),
142 MIN(9999,get_average(&(hs->stats[j].tot),hs->stats[j].num)),
143 hs->stats[j].min_num,
148 printf("=================================================================================================\n");
153 printf("| Category/Criteria |");
154 for(z=0; z<NB_CRITERIA; z++) printf("%7.2f%% |", criteria[z]);
157 printf("|-------------------------|");
158 for(z=0; z<NB_CRITERIA; z++) printf("---------|");
160 /* calculate the delay max to have a given number of messages (in percentage) */
161 for(j=2;j<NB_CAMELSRT_CATEGORY;j++) {
163 rtd_temp = &(hs->stats[j]);
165 if (hs->count[j]>0) {
166 /* Calculate the delay to answer to p% of the MS */
167 for(z=0; z<NB_CRITERIA; z++) {
169 delay_max=(double)rtd_temp->max.secs*1000 +(double)rtd_temp->max.nsecs/1000000;
170 delay_min=(double)rtd_temp->min.secs*1000 +(double)rtd_temp->min.nsecs/1000000;
172 delta=delay_max-delay_min;
173 while( (delta > 0.001) && (iteration < 10000) ) {
177 for(li=0;li<hs->count[j];li++) {
178 x=hs->delta_time[j][li].secs*1000
179 + (double)hs->delta_time[j][li].nsecs/1000000;
180 if (x <= delay) somme++;
182 if ( somme*100 > hs->count[j]*criteria[z] ) { /* trop grand */
184 delay=(delay_max+delay_min)/2;
185 delta=delay_max-delay_min;
186 } else { /* trop petit */
188 delay=(delay_max+delay_min)/2;
189 delta=delay_max-delay_min;
192 delay_criteria[z]=delay;
194 /* Append the result to the table */
195 printf("X%24s |", val_to_str(j, camelSRTtype_naming, "Unknown") );
196 for(z=0; z<NB_CRITERIA; z++) printf("%8.2f |", MIN(9999,delay_criteria[z]));
199 printf("X%24s |", val_to_str(j, camelSRTtype_naming, "Unknown") );
200 for(z=0; z<NB_CRITERIA; z++) printf("%8.2f |", 0.0);
204 printf("===========================");
205 for(z=0; z<NB_CRITERIA; z++) printf("==========");
209 static void camelsrt_init(const char *optarg, void* userdata _U_)
211 struct camelsrt_t *p_camelsrt;
212 const char *filter=NULL;
213 const char *emptyfilter="";
215 GString *error_string;
217 if(!strncmp(optarg,"camel,srt,",9)){
223 p_camelsrt = g_malloc(sizeof(struct camelsrt_t));
225 p_camelsrt->filter=g_malloc(strlen(filter)+1);
226 strcpy(p_camelsrt->filter,filter);
228 p_camelsrt->filter=NULL;
230 camelsrt_reset(p_camelsrt);
233 error_string=register_tap_listener("CAMEL",
240 error_string=register_tap_listener("CAMEL",
249 /* error, we failed to attach to the tap. clean up */
250 g_free(p_camelsrt->filter);
253 fprintf(stderr, "tshark: Couldn't register camel,srt tap: %s\n",
255 g_string_free(error_string, TRUE);
260 * If we are using tshark, we have to display the stats, even if the stats are not persistent
261 * As the frame are proceeded in the chronological order, we do not need persistent stats
262 * Whereas, with wireshark, it is not possible to have the correct display, if the stats are
263 * not saved along the analyze
270 void /* Next line mandatory */
271 register_tap_listener_camelsrt(void)
273 register_stat_cmd_arg("camel,srt", camelsrt_init, NULL);