Get rid of -Wshadow warning - I guess we're including something that
[metze/wireshark/wip.git] / ui / cli / tap-megacostat.c
1 /* tap-megacostat.c
2  * mgcpstat   2003 Lars Roland
3  * Copyright 2008, Ericsson AB
4  * By Balint Reczey <balint.reczey@ericsson.com>
5  *
6  * $Id$
7  *
8  * Wireshark - Network traffic analyzer
9  * By Gerald Combs <gerald@wireshark.org>
10  * Copyright 1998 Gerald Combs
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License
14  * as published by the Free Software Foundation; either version 2
15  * of the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25  */
26
27 #include "config.h"
28
29 #include <stdio.h>
30
31 #include <string.h>
32 #include "epan/packet_info.h"
33 #include <epan/tap.h>
34 #include <epan/stat_cmd_args.h>
35 #include "epan/value_string.h"
36 #include "epan/gcp.h"
37 #include "epan/timestats.h"
38 #include <epan/prefs-int.h>
39
40 #include "ui/tap-megaco-common.h"
41
42
43
44 static void
45 megacostat_draw(void *pms)
46 {
47         megacostat_t *ms=(megacostat_t *)pms;
48         int i;
49
50         /* printing results */
51         printf("\n");
52         printf("=====================================================================================================\n");
53         printf("MEGACO Response Time Delay (RTD) Statistics:\n");
54         printf("Filter for statistics: %s\n",ms->filter?ms->filter:"");
55         printf("Duplicate requests: %u\n",ms->req_dup_num);
56         printf("Duplicate responses: %u\n",ms->rsp_dup_num);
57         printf("Open requests: %u\n",ms->open_req_num);
58         printf("Discarded responses: %u\n",ms->disc_rsp_num);
59         printf(" Type   | Messages   |    Min RTD    |    Max RTD    |    Avg RTD    | Min in Frame | Max in Frame |\n");
60         for(i=0;i<NUM_TIMESTATS;i++) {
61                 if(ms->rtd[i].num) {
62                         printf("%5s   | %7u    | %8.2f msec | %8.2f msec | %8.2f msec |  %10u  |  %10u  |\n",
63                                 val_to_str(i,megaco_message_type,"Other"),ms->rtd[i].num,
64                                 nstime_to_msec(&(ms->rtd[i].min)), nstime_to_msec(&(ms->rtd[i].max)),
65                                 get_average(&(ms->rtd[i].tot), ms->rtd[i].num),
66                                 ms->rtd[i].min_num, ms->rtd[i].max_num
67                         );
68                 }
69         }
70         printf("=====================================================================================================\n");
71 }
72
73
74 static void
75 megacostat_init(const char *opt_arg, void* userdata _U_)
76 {
77         megacostat_t *ms;
78         int i;
79         GString *error_string;
80         pref_t *megaco_ctx_track,*h248_ctx_track;
81
82         megaco_ctx_track = prefs_find_preference(prefs_find_module("megaco"),"ctx_info");
83         h248_ctx_track = prefs_find_preference(prefs_find_module("h248"),"ctx_info");
84
85         if (!megaco_ctx_track || !h248_ctx_track) {
86                 /* No such preferences */
87                 return;
88         }
89
90         if (!*megaco_ctx_track->varp.boolp || !*h248_ctx_track->varp.boolp) {
91                 printf("Track Context option at Protocols -> MEGACO and Protocols -> H248 preferences\n");
92                 printf("has to be set to true to enable measurement of service response times.\n");
93                 exit(1);
94         }
95
96         ms=g_new(megacostat_t,1);
97         if(!strncmp(opt_arg,"megaco,rtd,",11)){
98                 ms->filter=g_strdup(opt_arg+11);
99         } else {
100                 ms->filter=NULL;
101         }
102
103         for(i=0;i<NUM_TIMESTATS;i++) {
104                 ms->rtd[i].num=0;
105                 ms->rtd[i].min_num=0;
106                 ms->rtd[i].max_num=0;
107                 ms->rtd[i].min.secs=0;
108                 ms->rtd[i].min.nsecs=0;
109                 ms->rtd[i].max.secs=0;
110                 ms->rtd[i].max.nsecs=0;
111                 ms->rtd[i].tot.secs=0;
112                 ms->rtd[i].tot.nsecs=0;
113         }
114
115         ms->open_req_num=0;
116         ms->disc_rsp_num=0;
117         ms->req_dup_num=0;
118         ms->rsp_dup_num=0;
119
120         error_string=register_tap_listener("megaco", ms, ms->filter, 0, NULL, megacostat_packet, megacostat_draw);
121         if(error_string){
122                 /* error, we failed to attach to the tap. clean up */
123                 g_free(ms->filter);
124                 g_free(ms);
125
126                 fprintf(stderr, "tshark: Couldn't register megaco,rtd tap: %s\n",
127                     error_string->str);
128                 g_string_free(error_string, TRUE);
129                 exit(1);
130         }
131 }
132
133
134 void
135 register_tap_listener_megacostat(void)
136 {
137         /* We don't register this tap, if we don't have the megaco plugin loaded.*/
138         if (find_tap_id("megaco")) {
139                 register_stat_cmd_arg("megaco,rtd", megacostat_init, NULL);
140         }
141 }
142