ui/cli/tap-afpstat.c

   1 /* tap-afpstat.c
   2  * Based on
   3  * smbstat   2003 Ronnie Sahlberg
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  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.
  15  *
  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.
  20  *
  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  24  */
  25
  26 #include "config.h"
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31
  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/dissectors/packet-afp.h>
  37 #include "epan/timestats.h"
  38
  39 void register_tap_listener_afpstat(void);
  40
  41 /* used to keep track of the statistics for an entire program interface */
  42 typedef struct _afpstat_t {
  43         char *filter;
  44         timestat_t proc[256];
  45 } afpstat_t;
  46
  47 static int
  48 afpstat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, const void *prv)
  49 {
  50         afpstat_t *ss=(afpstat_t *)pss;
  51         const afp_request_val *request_val=(const afp_request_val *)prv;
  52         nstime_t t, deltat;
  53         timestat_t *sp=NULL;
  54
  55         /* if we havnt seen the request, just ignore it */
  56         if(!request_val){
  57                 return 0;
  58         }
  59
  60         sp=&(ss->proc[request_val->command]);
  61
  62         /* calculate time delta between request and reply */
  63         t=pinfo->fd->abs_ts;
  64         nstime_delta(&deltat, &t, &request_val->req_time);
  65
  66         if(sp){
  67                 time_stat_update(sp,&deltat, pinfo);
  68         }
  69
  70         return 1;
  71 }
  72
  73 static void
  74 afpstat_draw(void *pss)
  75 {
  76         afpstat_t *ss=(afpstat_t *)pss;
  77         guint32 i;
  78         guint64 td;
  79         printf("\n");
  80         printf("===================================================================\n");
  81         printf("AFP SRT Statistics:\n");
  82         printf("Filter: %s\n",ss->filter?ss->filter:"");
  83         printf("Commands                   Calls   Min SRT   Max SRT   Avg SRT\n");
  84         for(i=0;i<256;i++){
  85                 /* nothing seen, nothing to do */
  86                 if(ss->proc[i].num==0){
  87                         continue;
  88                 }
  89
  90                 /* scale it to units of 10us.*/
  91                 td=ss->proc[i].tot.secs;
  92                 td=td*100000+(int)ss->proc[i].tot.nsecs/10000;
  93                 if(ss->proc[i].num){
  94                         td/=ss->proc[i].num;
  95                 } else {
  96                         td=0;
  97                 }
  98
  99                 printf("%-25s %6d %3d.%05d %3d.%05d %3" G_GINT64_MODIFIER "u.%05" G_GINT64_MODIFIER "u\n",
 100                         val_to_str_ext(i, &CommandCode_vals_ext, "Unknown (%u)"),
 101                         ss->proc[i].num,
 102                         (int)ss->proc[i].min.secs,ss->proc[i].min.nsecs/10000,
 103                         (int)ss->proc[i].max.secs,ss->proc[i].max.nsecs/10000,
 104                         td/100000, td%100000
 105                 );
 106         }
 107         printf("===================================================================\n");
 108 }
 109
 110
 111 static void
 112 afpstat_init(const char *opt_arg, void* userdata _U_)
 113 {
 114         afpstat_t *ss;
 115         guint32 i;
 116         const char *filter=NULL;
 117         GString *error_string;
 118
 119         if(!strncmp(opt_arg,"afp,srt,",8)){
 120                 filter=opt_arg+8;
 121         } else {
 122                 filter=NULL;
 123         }
 124
 125         ss=g_new(afpstat_t,1);
 126         if(filter){
 127                 ss->filter=g_strdup(filter);
 128         } else {
 129                 ss->filter=NULL;
 130         }
 131
 132         for(i=0;i<256;i++){
 133                 ss->proc[i].num=0;
 134                 ss->proc[i].min_num=0;
 135                 ss->proc[i].max_num=0;
 136                 ss->proc[i].min.secs=0;
 137                 ss->proc[i].min.nsecs=0;
 138                 ss->proc[i].max.secs=0;
 139                 ss->proc[i].max.nsecs=0;
 140                 ss->proc[i].tot.secs=0;
 141                 ss->proc[i].tot.nsecs=0;
 142         }
 143
 144         error_string=register_tap_listener("afp", ss, filter, 0, NULL, afpstat_packet, afpstat_draw);
 145         if(error_string){
 146                 /* error, we failed to attach to the tap. clean up */
 147                 g_free(ss->filter);
 148                 g_free(ss);
 149
 150                 fprintf(stderr, "tshark: Couldn't register afp,srt tap: %s\n",
 151                     error_string->str);
 152                 g_string_free(error_string, TRUE);
 153                 exit(1);
 154         }
 155 }
 156
 157 void
 158 register_tap_listener_afpstat(void)
 159 {
 160         register_stat_cmd_arg("afp,srt", afpstat_init,NULL);
 161 }