2 * h225 RAS Service Response Time statistics for wireshark
3 * Copyright 2003 Lars Roland
7 * Wireshark - Network traffic analyzer
8 * By Gerald Combs <gerald@wireshark.org>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32 #ifdef HAVE_SYS_TYPES_H
33 # include <sys/types.h>
37 #include "epan/packet.h"
38 #include "epan/packet_info.h"
40 #include <epan/stat_cmd_args.h>
41 #include "epan/value_string.h"
42 #include <epan/dissectors/packet-h225.h>
43 #include "timestats.h"
45 /* following values represent the size of their valuestring arrays */
46 #define NUM_RAS_STATS 7
48 static const value_string ras_message_category[] = {
50 { 1, "Registration "},
51 { 2, "UnRegistration"},
59 typedef enum _ras_type {
66 typedef enum _ras_category {
77 /* Summary of response-time calculations*/
78 typedef struct _h225_rtd_t {
86 /* used to keep track of the statistics for an entire program interface */
87 typedef struct _h225rassrt_t {
89 h225_rtd_t ras_rtd[NUM_RAS_STATS];
94 h225rassrt_reset(void *phs)
96 h225rassrt_t *hs=(h225rassrt_t *)phs;
99 for(i=0;i<NUM_RAS_STATS;i++) {
100 hs->ras_rtd[i].stats.num = 0;
101 hs->ras_rtd[i].stats.min_num = 0;
102 hs->ras_rtd[i].stats.max_num = 0;
103 hs->ras_rtd[i].stats.min.secs = 0;
104 hs->ras_rtd[i].stats.min.nsecs = 0;
105 hs->ras_rtd[i].stats.max.secs = 0;
106 hs->ras_rtd[i].stats.max.nsecs = 0;
107 hs->ras_rtd[i].stats.tot.secs = 0;
108 hs->ras_rtd[i].stats.tot.nsecs = 0;
109 hs->ras_rtd[i].open_req_num = 0;
110 hs->ras_rtd[i].disc_rsp_num = 0;
111 hs->ras_rtd[i].req_dup_num = 0;
112 hs->ras_rtd[i].rsp_dup_num = 0;
118 h225rassrt_packet(void *phs, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *phi)
120 h225rassrt_t *hs=(h225rassrt_t *)phs;
121 const h225_packet_info *pi=phi;
123 ras_type rasmsg_type = RAS_OTHER;
124 ras_category rascategory = RAS_OTHERS;
126 if (pi->msg_type != H225_RAS || pi->msg_tag == -1) {
127 /* No RAS Message or uninitialized msg_tag -> return */
131 if (pi->msg_tag < 21) {
133 rascategory = pi->msg_tag / 3;
134 rasmsg_type = pi->msg_tag % 3;
137 /* No SRT yet (ToDo) */
141 switch(rasmsg_type) {
144 if(pi->is_duplicate){
145 hs->ras_rtd[rascategory].req_dup_num++;
148 hs->ras_rtd[rascategory].open_req_num++;
153 /* no break - delay calculation is identical for Confirm and Reject */
155 if(pi->is_duplicate){
156 /* Duplicate is ignored */
157 hs->ras_rtd[rascategory].rsp_dup_num++;
159 else if (!pi->request_available) {
160 /* no request was seen, ignore response */
161 hs->ras_rtd[rascategory].disc_rsp_num++;
164 hs->ras_rtd[rascategory].open_req_num--;
165 time_stat_update(&(hs->ras_rtd[rascategory].stats),&(pi->delta_time), pinfo);
176 h225rassrt_draw(void *phs)
178 h225rassrt_t *hs=(h225rassrt_t *)phs;
180 timestat_t *rtd_temp;
182 printf("======================================== H225 RAS Service Response Time ========================================\n");
183 printf("H225 RAS Service Response Time (SRT) Statistics:\n");
184 printf("RAS-Messages | Measurements | Min SRT | Max SRT | Avg SRT | Min in Frame | Max in Frame |\n");
185 for(i=0;i<NUM_RAS_STATS;i++) {
186 rtd_temp = &(hs->ras_rtd[i].stats);
188 printf("%s | %10u | %9.2f msec | %9.2f msec | %9.2f msec | %10u | %10u |\n",
189 val_to_str(i,ras_message_category,"Unknown "),rtd_temp->num,
190 nstime_to_msec(&(rtd_temp->min)), nstime_to_msec(&(rtd_temp->max)),
191 get_average(&(rtd_temp->tot), rtd_temp->num),
192 rtd_temp->min_num, rtd_temp->max_num
196 printf("================================================================================================================\n");
197 printf("RAS-Messages | Open REQ | Discarded RSP | Repeated REQ | Repeated RSP |\n");
198 for(i=0;i<NUM_RAS_STATS;i++) {
199 rtd_temp = &(hs->ras_rtd[i].stats);
201 printf("%s | %10u | %10u | %10u | %10u |\n",
202 val_to_str(i,ras_message_category,"Unknown "),
203 hs->ras_rtd[i].open_req_num, hs->ras_rtd[i].disc_rsp_num,
204 hs->ras_rtd[i].req_dup_num, hs->ras_rtd[i].rsp_dup_num
208 printf("================================================================================================================\n");
214 h225rassrt_init(const char *optarg, void* userdata _U_)
217 GString *error_string;
219 hs = g_malloc(sizeof(h225rassrt_t));
220 if(!strncmp(optarg,"h225,srt,",9)){
221 hs->filter=g_strdup(optarg+9);
226 h225rassrt_reset(hs);
228 error_string=register_tap_listener("h225", hs, hs->filter, 0, NULL, h225rassrt_packet, h225rassrt_draw);
230 /* error, we failed to attach to the tap. clean up */
234 fprintf(stderr, "tshark: Couldn't register h225,srt tap: %s\n",
236 g_string_free(error_string, TRUE);
243 register_tap_listener_h225rassrt(void)
245 register_stat_cmd_arg("h225,srt", h225rassrt_init,NULL);