Update:
[obnox/wireshark/wip.git] / tap-mgcpstat.c
index 7af27a79f10d7f8b16e970d2977660fb54a73e59..f5b0b1ee7995aefe9e01c1a9a3e8a023403783bf 100644 (file)
@@ -1,22 +1,22 @@
 /* tap-mgcpstat.c
  * mgcpstat   2003 Lars Roland
  *
- * $Id: tap-mgcpstat.c,v 1.2 2003/03/06 22:32:36 guy Exp $
+ * $Id$
  *
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
  * Copyright 1998 Gerald Combs
- * 
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version 2
  * of the License, or (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include <string.h>
 #include "epan/packet_info.h"
-#include "tap.h"
+#include <epan/tap.h>
+#include <epan/stat_cmd_args.h>
 #include "epan/value_string.h"
-#include "register.h"
-#include "plugins/mgcp/packet-mgcp.h"
+#include "epan/dissectors/packet-mgcp.h"
+#include "timestats.h"
 
-
-/* Summary of response-time calculations*/
-typedef struct _rtd_t {
-       long int num;
-       nstime_t min;
-       nstime_t max;
-       nstime_t tot;
-} rtd_t;
+#define NUM_TIMESTATS 11
 
 /* used to keep track of the statistics for an entire program interface */
 typedef struct _mgcpstat_t {
        char *filter;
-        rtd_t rtd;
-       long int open_req_num;
-       long int disc_rsp_num;
-       long int req_dup_num;
-       long int rsp_dup_num;
+        timestat_t rtd[NUM_TIMESTATS];
+       guint32 open_req_num;
+       guint32 disc_rsp_num;
+       guint32 req_dup_num;
+       guint32 rsp_dup_num;
 } mgcpstat_t;
 
-/* A Function to update a mgcp_rtd_t struct */
-
-void
-rtd_stat_update(rtd_t *rtd,nstime_t delta)
-{
-       rtd->num++;
-       if((rtd->max.secs==0)
-       && (rtd->max.nsecs==0) ){
-               rtd->max.secs=delta.secs;
-               rtd->max.nsecs=delta.nsecs;
-       }
-       
-       if((rtd->min.secs==0)
-       && (rtd->min.nsecs==0) ){
-               rtd->min.secs=delta.secs;
-               rtd->min.nsecs=delta.nsecs;
-       }
-       
-       if( (delta.secs<rtd->min.secs)
-       ||( (delta.secs==rtd->min.secs)
-         &&(delta.nsecs<rtd->min.nsecs) ) ){
-               rtd->min.secs=delta.secs;
-               rtd->min.nsecs=delta.nsecs;
-       }
-       
-       if( (delta.secs>rtd->max.secs)
-       ||( (delta.secs==rtd->max.secs)
-         &&(delta.nsecs>rtd->max.nsecs) ) ){
-               rtd->max.secs=delta.secs;
-               rtd->max.nsecs=delta.nsecs;
-       }
-               
-       rtd->tot.secs += delta.secs;
-       rtd->tot.nsecs += delta.nsecs;
-       if(rtd->tot.nsecs>1000000000){
-               rtd->tot.nsecs-=1000000000;
-               rtd->tot.secs++;        
-       }
-       
-       
-}
+static const value_string mgcp_mesage_type[] = {
+  {  0,        "Overall"},
+  {  1,        "EPCF   "},
+  {  2,        "CRCX   "},
+  {  3,        "MDCX   "},
+  {  4,        "DLCX   "},
+  {  5,        "RQNT   "},
+  {  6,        "NTFY   "},
+  {  7,        "AUEP   "},
+  {  8, "AUCX   "},
+  {  9, "RSIP   "},
+  {  0, NULL}
+};
 
 static int
-mgcpstat_packet(void *pms, packet_info *pinfo, epan_dissect_t *edt _U_, void *pmi)
+mgcpstat_packet(void *pms, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pmi)
 {
        mgcpstat_t *ms=(mgcpstat_t *)pms;
-       mgcp_info_t *mi=pmi;
+       const mgcp_info_t *mi=pmi;
        nstime_t delta;
+       int ret = 0;
 
        switch (mi->mgcp_type) {
-       
+
        case MGCP_REQUEST:
                if(mi->is_duplicate){
                        /* Duplicate is ignored */
                        ms->req_dup_num++;
-                       return 0;
                }
                else {
                        ms->open_req_num++;
-                       return 0;
                }
-       break;
-                       
+               break;
+
        case MGCP_RESPONSE:
                if(mi->is_duplicate){
                        /* Duplicate is ignored */
                        ms->rsp_dup_num++;
-                       return 0;
                }
                else if (!mi->request_available) {
                        /* no request was seen */
                        ms->disc_rsp_num++;
-                       return 0;
                }
                else {
                        ms->open_req_num--;
                        /* calculate time delta between request and response */
-                       delta.secs=pinfo->fd->abs_secs-mi->req_time.secs;
-                       delta.nsecs=pinfo->fd->abs_usecs*1000-mi->req_time.nsecs;
-                       if(delta.nsecs<0){
-                               delta.nsecs+=1000000000;
-                               delta.secs--;
+                       nstime_delta(&delta, &pinfo->fd->abs_ts, &mi->req_time);
+
+                       time_stat_update(&(ms->rtd[0]),&delta, pinfo);
+
+                       if (g_ascii_strncasecmp(mi->code, "EPCF", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[1]),&delta, pinfo);
+                       }
+                       else if (g_ascii_strncasecmp(mi->code, "CRCX", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[2]),&delta, pinfo);
+                       }
+                       else if (g_ascii_strncasecmp(mi->code, "MDCX", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[3]),&delta, pinfo);
+                       }
+                       else if (g_ascii_strncasecmp(mi->code, "DLCX", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[4]),&delta, pinfo);
+                       }
+                       else if (g_ascii_strncasecmp(mi->code, "RQNT", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[5]),&delta, pinfo);
                        }
-                       
-                       rtd_stat_update(&(ms->rtd),delta);
-                       return 1;
+                       else if (g_ascii_strncasecmp(mi->code, "NTFY", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[6]),&delta, pinfo);
+                       }
+                       else if (g_ascii_strncasecmp(mi->code, "AUEP", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[7]),&delta, pinfo);
+                       }
+                       else if (g_ascii_strncasecmp(mi->code, "AUCX", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[8]),&delta, pinfo);
+                       }
+                       else if (g_ascii_strncasecmp(mi->code, "RSIP", 4) == 0 ) {
+                               time_stat_update(&(ms->rtd[9]),&delta, pinfo);
+                       }
+                       else {
+                               time_stat_update(&(ms->rtd[10]),&delta, pinfo);
+                       }
+
+                       ret = 1;
                }
-       break;
+               break;
 
        default:
-               return 0;
-       break;
+               break;
        }
+
+       return ret;
 }
 
 static void
 mgcpstat_draw(void *pms)
 {
        mgcpstat_t *ms=(mgcpstat_t *)pms;
-       
-#ifdef G_HAVE_UINT64
-       guint64 avg;
-#else
-       guint32 avg;
-#endif
-
-       /* calculating average rtd */
-       /* scale it to units of 10us.*/
-       /* for long captures with a large tot time, this can overflow on 32bit */
-       avg=(int)ms->rtd.tot.secs;
-       avg=avg*100000+(int)ms->rtd.tot.nsecs/10000;
-       if(ms->rtd.num){
-               avg/=ms->rtd.num;
-       } else {
-               avg=0;
-       }
+       int i;
 
        /* printing results */
        printf("\n");
-       printf("===================================================================\n");
+       printf("=====================================================================================================\n");
        printf("MGCP Response Time Delay (RTD) Statistics:\n");
-       printf("Filter: %s\n",ms->filter?ms->filter:"");
-        printf("Duplicate requests: %ld\n",ms->req_dup_num);
-        printf("Duplicate responses: %ld\n",ms->rsp_dup_num);
-        printf("Open requests: %ld\n",ms->open_req_num);
-        printf("Discarded responses: %ld\n",ms->disc_rsp_num);
-        printf("Messages   |     Min RTD     |     Max RTD     |     Avg RTD \n");
-        printf("%7ld    |  %5d.%03d msec |  %5d.%03d msec | %5d.%03d msec\n",
-               ms->rtd.num,
-               (int)((ms->rtd.min.secs*1000)+(ms->rtd.min.nsecs/1000000)),(ms->rtd.min.nsecs%1000000)/1000,
-               (int)((ms->rtd.max.secs*1000)+(ms->rtd.max.nsecs/1000000)),(ms->rtd.min.nsecs%1000000)/1000,
-               avg/100, avg%100
-       );
-        printf("===================================================================\n");
+       printf("Filter for statistics: %s\n",ms->filter?ms->filter:"");
+        printf("Duplicate requests: %u\n",ms->req_dup_num);
+        printf("Duplicate responses: %u\n",ms->rsp_dup_num);
+        printf("Open requests: %u\n",ms->open_req_num);
+        printf("Discarded responses: %u\n",ms->disc_rsp_num);
+        printf("Type    | Messages   |    Min RTD    |    Max RTD    |    Avg RTD    | Min in Frame | Max in Frame |\n");
+        for(i=0;i<NUM_TIMESTATS;i++) {
+               if(ms->rtd[i].num) {
+                       printf("%s | %7u    | %8.2f msec | %8.2f msec | %8.2f msec |  %10u  |  %10u  |\n",
+                               val_to_str(i,mgcp_mesage_type,"Other  "),ms->rtd[i].num,
+                               nstime_to_msec(&(ms->rtd[i].min)), nstime_to_msec(&(ms->rtd[i].max)),
+                               get_average(&(ms->rtd[i].tot), ms->rtd[i].num),
+                               ms->rtd[i].min_num, ms->rtd[i].max_num
+                       );
+               }
+       }
+        printf("=====================================================================================================\n");
 }
 
 
 static void
-mgcpstat_init(char *optarg)
+mgcpstat_init(const char *optarg, void* userdata _U_)
 {
        mgcpstat_t *ms;
-       char *filter=NULL;
-
-
-       if(!strncmp(optarg,"mgcp,rtd,",9)){
-               filter=optarg+9;
-       } else {
-               filter=NULL;
-       }
+       int i;
+       GString *error_string;
 
        ms=g_malloc(sizeof(mgcpstat_t));
-       if(filter){
-               ms->filter=g_malloc(strlen(filter)+1);
-               strcpy(ms->filter, filter);
+       if(!strncmp(optarg,"mgcp,rtd,",9)){
+               ms->filter=g_strdup(optarg+9);
        } else {
                ms->filter=NULL;
        }
 
-       ms->rtd.num=0;
-       ms->rtd.min.secs=0;
-        ms->rtd.min.nsecs=0;
-        ms->rtd.max.secs=0;
-        ms->rtd.max.nsecs=0;
-        ms->rtd.tot.secs=0;
-        ms->rtd.tot.nsecs=0;
+       for(i=0;i<NUM_TIMESTATS;i++) {
+               ms->rtd[i].num=0;
+               ms->rtd[i].min_num=0;
+               ms->rtd[i].max_num=0;
+               ms->rtd[i].min.secs=0;
+               ms->rtd[i].min.nsecs=0;
+               ms->rtd[i].max.secs=0;
+               ms->rtd[i].max.nsecs=0;
+               ms->rtd[i].tot.secs=0;
+               ms->rtd[i].tot.nsecs=0;
+       }
 
        ms->open_req_num=0;
        ms->disc_rsp_num=0;
        ms->req_dup_num=0;
        ms->rsp_dup_num=0;
 
-       if(register_tap_listener("mgcp", ms, filter, NULL, mgcpstat_packet, mgcpstat_draw)){
+       error_string=register_tap_listener("mgcp", ms, ms->filter, 0, NULL, mgcpstat_packet, mgcpstat_draw);
+       if(error_string){
                /* error, we failed to attach to the tap. clean up */
                g_free(ms->filter);
                g_free(ms);
 
-               fprintf(stderr,"tethereal: mgcpstat_init() failed to attach to tap.\n");
+               fprintf(stderr, "tshark: Couldn't register mgcp,rtd tap: %s\n",
+                   error_string->str);
+               g_string_free(error_string, TRUE);
                exit(1);
        }
 }
@@ -244,6 +222,9 @@ mgcpstat_init(char *optarg)
 void
 register_tap_listener_mgcpstat(void)
 {
-       register_ethereal_tap("mgcp,rtd", mgcpstat_init, NULL, NULL);
+       /* We don't register this tap, if we don't have the mgcp plugin loaded.*/
+       if (find_tap_id("mgcp")) {
+               register_stat_cmd_arg("mgcp,rtd", mgcpstat_init, NULL);
+       }
 }