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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23  */
  24
  25 #include "config.h"
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30
  31 #include "epan/packet_info.h"
  32 #include <epan/tap.h>
  33 #include <epan/stat_cmd_args.h>
  34 #include "epan/value_string.h"
  35 #include <epan/dissectors/packet-smb.h>
  36 #include "epan/timestats.h"
  37
  38 #define MICROSECS_PER_SEC   1000000
  39 #define NANOSECS_PER_SEC    1000000000
  40
  41 void register_tap_listener_smbstat(void);
  42
  43 /* used to keep track of the statistics for an entire program interface */
  44 typedef struct _smbstat_t {
  45         char *filter;
  46         timestat_t proc[256];
  47         timestat_t trans2[256];
  48         timestat_t nt_trans[256];
  49 } smbstat_t;
  50
  51
  52
  53 static int
  54 smbstat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, const void *psi)
  55 {
  56         smbstat_t *ss=(smbstat_t *)pss;
  57         const smb_info_t *si=(const smb_info_t *)psi;
  58         nstime_t t, deltat;
  59         timestat_t *sp=NULL;
  60
  61         /* we are only interested in reply packets */
  62         if(si->request){
  63                 return 0;
  64         }
  65         /* if we havnt seen the request, just ignore it */
  66         if(!si->sip){
  67                 return 0;
  68         }
  69
  70         if(si->cmd==0xA0 && si->sip->extra_info_type == SMB_EI_NTI){
  71                 smb_nt_transact_info_t *sti=(smb_nt_transact_info_t *)si->sip->extra_info;
  72
  73                 /*nt transaction*/
  74                 if(sti){
  75                         sp=&(ss->nt_trans[sti->subcmd]);
  76                 }
  77         } else if(si->cmd==0x32 && si->sip->extra_info_type == SMB_EI_T2I){
  78                 smb_transact2_info_t *st2i=(smb_transact2_info_t *)si->sip->extra_info;
  79
  80                 /*transaction2*/
  81                 if(st2i){
  82                         sp=&(ss->trans2[st2i->subcmd]);
  83                 }
  84         } else {
  85                 sp=&(ss->proc[si->cmd]);
  86         }
  87
  88         /* calculate time delta between request and reply */
  89         t=pinfo->fd->abs_ts;
  90         nstime_delta(&deltat, &t, &si->sip->req_time);
  91
  92         if(sp){
  93                 time_stat_update(sp,&deltat, pinfo);
  94         }
  95
  96         return 1;
  97 }
  98
  99 static void
 100 smbstat_draw(void *pss)
 101 {
 102         smbstat_t *ss=(smbstat_t *)pss;
 103         guint32 i;
 104         guint64 td;
 105         printf("\n");
 106         printf("=================================================================\n");
 107         printf("SMB SRT Statistics:\n");
 108         printf("Filter: %s\n",ss->filter?ss->filter:"");
 109         printf("Commands                   Calls    Min SRT    Max SRT    Avg SRT\n");
 110         for(i=0;i<256;i++){
 111                 /* nothing seen, nothing to do */
 112                 if(ss->proc[i].num==0){
 113                         continue;
 114                 }
 115
 116                 /* we deal with transaction2 later */
 117                 if(i==0x32){
 118                         continue;
 119                 }
 120
 121                 /* we deal with nt transaction later */
 122                 if(i==0xA0){
 123                         continue;
 124                 }
 125
 126                 /* Scale the average SRT in units of 1us and round to the nearest us. */
 127                 td = ((guint64)(ss->proc[i].tot.secs)) * NANOSECS_PER_SEC + ss->proc[i].tot.nsecs;
 128
 129                 td = ((td / ss->proc[i].num) + 500) / 1000;
 130
 131                 printf("%-25s %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
 132                         val_to_str_ext(i, &smb_cmd_vals_ext, "Unknown (0x%02x)"),
 133                         ss->proc[i].num,
 134                         (int)(ss->proc[i].min.secs),(ss->proc[i].min.nsecs+500)/1000,
 135                         (int)(ss->proc[i].max.secs),(ss->proc[i].max.nsecs+500)/1000,
 136                         td/MICROSECS_PER_SEC, td%MICROSECS_PER_SEC
 137                 );
 138         }
 139
 140         printf("\n");
 141         printf("Transaction2 Commands      Calls    Min SRT    Max SRT    Avg SRT\n");
 142         for(i=0;i<256;i++){
 143                 /* nothing seen, nothing to do */
 144                 if(ss->trans2[i].num==0){
 145                         continue;
 146                 }
 147
 148                 /* Scale the average SRT in units of 1us and round to the nearest us. */
 149                 td = ((guint64)(ss->trans2[i].tot.secs)) * NANOSECS_PER_SEC + ss->trans2[i].tot.nsecs;
 150                 td = ((td / ss->trans2[i].num) + 500) / 1000;
 151
 152                 printf("%-25s %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
 153                         val_to_str_ext(i, &trans2_cmd_vals_ext, "Unknown (0x%02x)"),
 154                         ss->trans2[i].num,
 155                         (int)(ss->trans2[i].min.secs),(ss->trans2[i].min.nsecs+500)/1000,
 156                         (int)(ss->trans2[i].max.secs),(ss->trans2[i].max.nsecs+500)/1000,
 157                         td/MICROSECS_PER_SEC, td%MICROSECS_PER_SEC
 158                 );
 159         }
 160
 161         printf("\n");
 162         printf("NT Transaction Commands    Calls    Min SRT    Max SRT    Avg SRT\n");
 163         for(i=0;i<256;i++){
 164                 /* nothing seen, nothing to do */
 165                 if(ss->nt_trans[i].num==0){
 166                         continue;
 167                 }
 168                 /* Scale the average SRT in units of 1us and round to the nearest us. */
 169                 td = ((guint64)(ss->nt_trans[i].tot.secs)) * NANOSECS_PER_SEC + ss->nt_trans[i].tot.nsecs;
 170                 td = ((td / ss->nt_trans[i].num) + 500) / 1000;
 171
 172                 printf("%-25s %6d %3d.%06d %3d.%06d %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u\n",
 173                         val_to_str_ext(i, &nt_cmd_vals_ext, "Unknown (0x%02x)"),
 174                         ss->nt_trans[i].num,
 175                         (int)(ss->nt_trans[i].min.secs),(ss->nt_trans[i].min.nsecs+500)/1000,
 176                         (int)(ss->nt_trans[i].max.secs),(ss->nt_trans[i].max.nsecs+500)/1000,
 177                         td/MICROSECS_PER_SEC, td%MICROSECS_PER_SEC
 178                 );
 179         }
 180
 181         printf("=================================================================\n");
 182 }
 183
 184
 185 static void
 186 smbstat_init(const char *opt_arg,void* userdata _U_)
 187 {
 188         smbstat_t *ss;
 189         guint32 i;
 190         const char *filter=NULL;
 191         GString *error_string;
 192
 193         if(!strncmp(opt_arg,"smb,srt,",8)){
 194                 filter=opt_arg+8;
 195         } else {
 196                 filter=NULL;
 197         }
 198
 199         ss=g_new(smbstat_t,1);
 200         if(filter){
 201                 ss->filter=g_strdup(filter);
 202         } else {
 203                 ss->filter=NULL;
 204         }
 205
 206         for(i=0;i<256;i++){
 207                 ss->proc[i].num=0;
 208                 ss->proc[i].min_num=0;
 209                 ss->proc[i].max_num=0;
 210                 ss->proc[i].min.secs=0;
 211                 ss->proc[i].min.nsecs=0;
 212                 ss->proc[i].max.secs=0;
 213                 ss->proc[i].max.nsecs=0;
 214                 ss->proc[i].tot.secs=0;
 215                 ss->proc[i].tot.nsecs=0;
 216
 217                 ss->trans2[i].num=0;
 218                 ss->trans2[i].min_num=0;
 219                 ss->trans2[i].max_num=0;
 220                 ss->trans2[i].min.secs=0;
 221                 ss->trans2[i].min.nsecs=0;
 222                 ss->trans2[i].max.secs=0;
 223                 ss->trans2[i].max.nsecs=0;
 224                 ss->trans2[i].tot.secs=0;
 225                 ss->trans2[i].tot.nsecs=0;
 226
 227                 ss->nt_trans[i].num=0;
 228                 ss->nt_trans[i].min_num=0;
 229                 ss->nt_trans[i].max_num=0;
 230                 ss->nt_trans[i].min.secs=0;
 231                 ss->nt_trans[i].min.nsecs=0;
 232                 ss->nt_trans[i].max.secs=0;
 233                 ss->nt_trans[i].max.nsecs=0;
 234                 ss->nt_trans[i].tot.secs=0;
 235                 ss->nt_trans[i].tot.nsecs=0;
 236         }
 237
 238         error_string=register_tap_listener("smb", ss, filter, 0, NULL, smbstat_packet, smbstat_draw);
 239         if(error_string){
 240                 /* error, we failed to attach to the tap. clean up */
 241                 g_free(ss->filter);
 242                 g_free(ss);
 243
 244                 fprintf(stderr, "tshark: Couldn't register smb,srt tap: %s\n",
 245                     error_string->str);
 246                 g_string_free(error_string, TRUE);
 247                 exit(1);
 248         }
 249 }
 250
 251
 252 void
 253 register_tap_listener_smbstat(void)
 254 {
 255         register_stat_cmd_arg("smb,srt", smbstat_init,NULL);
 256 }
 257