ui/cli/tap-smbstat.c

   1 /* tap-smbstat.c
   2  * smbstat   2003 Ronnie Sahlberg
   3  *
   4  * $Id$
   5  *
   6  * Wireshark - Network traffic analyzer
   7  * By Gerald Combs <gerald@wireshark.org>
   8  * Copyright 1998 Gerald Combs
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version 2
  13  * of the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  23  */
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  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/dissectors/packet-smb.h>
  37 #include "timestats.h"
  38
  39 #define MICROSECS_PER_SEC   1000000
  40 #define NANOSECS_PER_SEC    1000000000
  41
  42 /* used to keep track of the statistics for an entire program interface */
  43 typedef struct _smbstat_t {
  44         char *filter;
  45         timestat_t proc[256];
  46         timestat_t trans2[256];
  47         timestat_t nt_trans[256];
  48 } smbstat_t;
  49
  50
  51
  52 static int
  53 smbstat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, const void *psi)
  54 {
  55         smbstat_t *ss=(smbstat_t *)pss;
  56         const smb_info_t *si=psi;
  57         nstime_t t, deltat;
  58         timestat_t *sp=NULL;
  59
  60         /* we are only interested in reply packets */
  61         if(si->request){
  62                 return 0;
  63         }
  64         /* if we havnt seen the request, just ignore it */
  65         if(!si->sip){
  66                 return 0;
  67         }
  68
  69         if(si->cmd==0xA0 && si->sip->extra_info_type == SMB_EI_NTI){
  70                 smb_nt_transact_info_t *sti=(smb_nt_transact_info_t *)si->sip->extra_info;
  71
  72                 /*nt transaction*/
  73                 if(sti){
  74                         sp=&(ss->nt_trans[sti->subcmd]);
  75                 }
  76         } else if(si->cmd==0x32 && si->sip->extra_info_type == SMB_EI_T2I){
  77                 smb_transact2_info_t *st2i=(smb_transact2_info_t *)si->sip->extra_info;
  78
  79                 /*transaction2*/
  80                 if(st2i){
  81                         sp=&(ss->trans2[st2i->subcmd]);
  82                 }
  83         } else {
  84                 sp=&(ss->proc[si->cmd]);
  85         }
  86
  87         /* calculate time delta between request and reply */
  88         t=pinfo->fd->abs_ts;
  89         nstime_delta(&deltat, &t, &si->sip->req_time);
  90
  91         if(sp){
  92                 time_stat_update(sp,&deltat, pinfo);
  93         }
  94
  95         return 1;
  96 }
  97
  98 static void
  99 smbstat_draw(void *pss)
 100 {
 101         smbstat_t *ss=(smbstat_t *)pss;
 102         guint32 i;
 103         guint64 td;
 104         printf("\n");
 105         printf("=================================================================\n");
 106         printf("SMB SRT Statistics:\n");
 107         printf("Filter: %s\n",ss->filter?ss->filter:"");
 108         printf("Commands                   Calls    Min SRT    Max SRT    Avg SRT\n");
 109         for(i=0;i<256;i++){
 110                 /* nothing seen, nothing to do */
 111                 if(ss->proc[i].num==0){
 112                         continue;
 113                 }
 114
 115                 /* we deal with transaction2 later */
 116                 if(i==0x32){
 117                         continue;
 118                 }
 119
 120                 /* we deal with nt transaction later */
 121                 if(i==0xA0){
 122                         continue;
 123                 }
 124
 125                 /* Scale the average SRT in units of 1us and round to the nearest us. */
 126                 td = ((guint64)(ss->proc[i].tot.secs)) * NANOSECS_PER_SEC + ss->proc[i].tot.nsecs;
 127
 128                 td = ((td / ss->proc[i].num) + 500) / 1000;
 129
 130                 printf("%-25s %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
 131                         val_to_str_ext(i, &smb_cmd_vals_ext, "Unknown (0x%02x)"),
 132                         ss->proc[i].num,
 133                         (int)(ss->proc[i].min.secs),(ss->proc[i].min.nsecs+500)/1000,
 134                         (int)(ss->proc[i].max.secs),(ss->proc[i].max.nsecs+500)/1000,
 135                         td/MICROSECS_PER_SEC, td%MICROSECS_PER_SEC
 136                 );
 137         }
 138
 139         printf("\n");
 140         printf("Transaction2 Commands      Calls    Min SRT    Max SRT    Avg SRT\n");
 141         for(i=0;i<256;i++){
 142                 /* nothing seen, nothing to do */
 143                 if(ss->trans2[i].num==0){
 144                         continue;
 145                 }
 146
 147                 /* Scale the average SRT in units of 1us and round to the nearest us. */
 148                 td = ((guint64)(ss->trans2[i].tot.secs)) * NANOSECS_PER_SEC + ss->trans2[i].tot.nsecs;
 149                 td = ((td / ss->trans2[i].num) + 500) / 1000;
 150
 151                 printf("%-25s %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
 152                         val_to_str_ext(i, &trans2_cmd_vals_ext, "Unknown (0x%02x)"),
 153                         ss->trans2[i].num,
 154                         (int)(ss->trans2[i].min.secs),(ss->trans2[i].min.nsecs+500)/1000,
 155                         (int)(ss->trans2[i].max.secs),(ss->trans2[i].max.nsecs+500)/1000,
 156                         td/MICROSECS_PER_SEC, td%MICROSECS_PER_SEC
 157                 );
 158         }
 159
 160         printf("\n");
 161         printf("NT Transaction Commands    Calls    Min SRT    Max SRT    Avg SRT\n");
 162         for(i=0;i<256;i++){
 163                 /* nothing seen, nothing to do */
 164                 if(ss->nt_trans[i].num==0){
 165                         continue;
 166                 }
 167                 /* Scale the average SRT in units of 1us and round to the nearest us. */
 168                 td = ((guint64)(ss->nt_trans[i].tot.secs)) * NANOSECS_PER_SEC + ss->nt_trans[i].tot.nsecs;
 169                 td = ((td / ss->nt_trans[i].num) + 500) / 1000;
 170
 171                 printf("%-25s %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
 172                         val_to_str_ext(i, &nt_cmd_vals_ext, "Unknown (0x%02x)"),
 173                         ss->nt_trans[i].num,
 174                         (int)(ss->nt_trans[i].min.secs),(ss->nt_trans[i].min.nsecs+500)/1000,
 175                         (int)(ss->nt_trans[i].max.secs),(ss->nt_trans[i].max.nsecs+500)/1000,
 176                         td/MICROSECS_PER_SEC, td%MICROSECS_PER_SEC
 177                 );
 178         }
 179
 180         printf("=================================================================\n");
 181 }
 182
 183
 184 static void
 185 smbstat_init(const char *optarg,void* userdata _U_)
 186 {
 187         smbstat_t *ss;
 188         guint32 i;
 189         const char *filter=NULL;
 190         GString *error_string;
 191
 192         if(!strncmp(optarg,"smb,srt,",8)){
 193                 filter=optarg+8;
 194         } else {
 195                 filter=NULL;
 196         }
 197
 198         ss=g_malloc(sizeof(smbstat_t));
 199         if(filter){
 200                 ss->filter=g_strdup(filter);
 201         } else {
 202                 ss->filter=NULL;
 203         }
 204
 205         for(i=0;i<256;i++){
 206                 ss->proc[i].num=0;
 207                 ss->proc[i].min_num=0;
 208                 ss->proc[i].max_num=0;
 209                 ss->proc[i].min.secs=0;
 210                 ss->proc[i].min.nsecs=0;
 211                 ss->proc[i].max.secs=0;
 212                 ss->proc[i].max.nsecs=0;
 213                 ss->proc[i].tot.secs=0;
 214                 ss->proc[i].tot.nsecs=0;
 215
 216                 ss->trans2[i].num=0;
 217                 ss->trans2[i].min_num=0;
 218                 ss->trans2[i].max_num=0;
 219                 ss->trans2[i].min.secs=0;
 220                 ss->trans2[i].min.nsecs=0;
 221                 ss->trans2[i].max.secs=0;
 222                 ss->trans2[i].max.nsecs=0;
 223                 ss->trans2[i].tot.secs=0;
 224                 ss->trans2[i].tot.nsecs=0;
 225
 226                 ss->nt_trans[i].num=0;
 227                 ss->nt_trans[i].min_num=0;
 228                 ss->nt_trans[i].max_num=0;
 229                 ss->nt_trans[i].min.secs=0;
 230                 ss->nt_trans[i].min.nsecs=0;
 231                 ss->nt_trans[i].max.secs=0;
 232                 ss->nt_trans[i].max.nsecs=0;
 233                 ss->nt_trans[i].tot.secs=0;
 234                 ss->nt_trans[i].tot.nsecs=0;
 235         }
 236
 237         error_string=register_tap_listener("smb", ss, filter, 0, NULL, smbstat_packet, smbstat_draw);
 238         if(error_string){
 239                 /* error, we failed to attach to the tap. clean up */
 240                 g_free(ss->filter);
 241                 g_free(ss);
 242
 243                 fprintf(stderr, "tshark: Couldn't register smb,srt tap: %s\n",
 244                     error_string->str);
 245                 g_string_free(error_string, TRUE);
 246                 exit(1);
 247         }
 248 }
 249
 250
 251 void
 252 register_tap_listener_smbstat(void)
 253 {
 254         register_stat_cmd_arg("smb,srt", smbstat_init,NULL);
 255 }
 256