tap-smbstat.c

   1 /* tap-smbstat.c
   2  * smbstat   2003 Ronnie Sahlberg
   3  *
   4  * $Id$
   5  *
   6  * Ethereal - Network traffic analyzer
   7  * By Gerald Combs <gerald@ethereal.com>
   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 #ifdef HAVE_SYS_TYPES_H
  32 # include <sys/types.h>
  33 #endif
  34
  35 #include <string.h>
  36 #include "epan/packet_info.h"
  37 #include <epan/tap.h>
  38 #include <epan/stat.h>
  39 #include "epan/value_string.h"
  40 #include "smb.h"
  41 #include "register.h"
  42 #include "timestats.h"
  43
  44 /* used to keep track of the statistics for an entire program interface */
  45 typedef struct _smbstat_t {
  46         char *filter;
  47         timestat_t proc[256];
  48         timestat_t trans2[256];
  49         timestat_t nt_trans[256];
  50 } smbstat_t;
  51
  52
  53
  54 static int
  55 smbstat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, const void *psi)
  56 {
  57         smbstat_t *ss=(smbstat_t *)pss;
  58         const smb_info_t *si=psi;
  59         nstime_t delta;
  60         timestat_t *sp=NULL;
  61
  62         /* we are only interested in reply packets */
  63         if(si->request){
  64                 return 0;
  65         }
  66         /* if we havnt seen the request, just ignore it */
  67         if(!si->sip){
  68                 return 0;
  69         }
  70
  71         if(si->cmd==0xA0 && si->sip->extra_info_type == SMB_EI_NTI){
  72                 smb_nt_transact_info_t *sti=(smb_nt_transact_info_t *)si->sip->extra_info;
  73
  74                 /*nt transaction*/
  75                 if(sti){
  76                         sp=&(ss->nt_trans[sti->subcmd]);
  77                 }
  78         } else if(si->cmd==0x32 && si->sip->extra_info_type == SMB_EI_T2I){
  79                 smb_transact2_info_t *st2i=(smb_transact2_info_t *)si->sip->extra_info;
  80
  81                 /*transaction2*/
  82                 if(st2i){
  83                         sp=&(ss->trans2[st2i->subcmd]);
  84                 }
  85         } else {
  86                 sp=&(ss->proc[si->cmd]);
  87         }
  88
  89         /* calculate time delta between request and reply */
  90         delta.secs=pinfo->fd->abs_secs-si->sip->req_time.secs;
  91         delta.nsecs=pinfo->fd->abs_usecs*1000-si->sip->req_time.nsecs;
  92         if(delta.nsecs<0){
  93                 delta.nsecs+=1000000000;
  94                 delta.secs--;
  95         }
  96
  97         if(sp){
  98                 time_stat_update(sp,&delta, pinfo);
  99         }
 100
 101         return 1;
 102 }
 103
 104 static void
 105 smbstat_draw(void *pss)
 106 {
 107         smbstat_t *ss=(smbstat_t *)pss;
 108         guint32 i;
 109 #ifdef G_HAVE_UINT64
 110         guint64 td;
 111 #else
 112         guint32 td;
 113 #endif
 114         printf("\n");
 115         printf("===================================================================\n");
 116         printf("SMB RTT Statistics:\n");
 117         printf("Filter: %s\n",ss->filter?ss->filter:"");
 118         printf("Commands                   Calls   Min RTT   Max RTT   Avg RTT\n");
 119         for(i=0;i<256;i++){
 120                 /* nothing seen, nothing to do */
 121                 if(ss->proc[i].num==0){
 122                         continue;
 123                 }
 124
 125                 /* we deal with transaction2 later */
 126                 if(i==0x32){
 127                         continue;
 128                 }
 129
 130                 /* we deal with nt transaction later */
 131                 if(i==0xA0){
 132                         continue;
 133                 }
 134
 135                 /* scale it to units of 10us.*/
 136                 /* for long captures with a large tot time, this can overflow on 32bit */
 137                 td=(int)ss->proc[i].tot.secs;
 138                 td=td*100000+(int)ss->proc[i].tot.nsecs/10000;
 139                 if(ss->proc[i].num){
 140                         td/=ss->proc[i].num;
 141                 } else {
 142                         td=0;
 143                 }
 144
 145                 printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
 146                         val_to_str(i, smb_cmd_vals, "Unknown (0x%02x)"),
 147                         ss->proc[i].num,
 148                         (int)ss->proc[i].min.secs,ss->proc[i].min.nsecs/10000,
 149                         (int)ss->proc[i].max.secs,ss->proc[i].max.nsecs/10000,
 150                         td/100000, td%100000
 151                 );
 152         }
 153
 154         printf("\n");
 155         printf("Transaction2 Commands      Calls   Min RTT   Max RTT   Avg RTT\n");
 156         for(i=0;i<256;i++){
 157                 /* nothing seen, nothing to do */
 158                 if(ss->trans2[i].num==0){
 159                         continue;
 160                 }
 161
 162                 /* scale it to units of 10us.*/
 163                 /* for long captures with a large tot time, this can overflow on 32bit */
 164                 td=(int)ss->trans2[i].tot.secs;
 165                 td=td*100000+(int)ss->trans2[i].tot.nsecs/10000;
 166                 if(ss->trans2[i].num){
 167                         td/=ss->trans2[i].num;
 168                 } else {
 169                         td=0;
 170                 }
 171
 172                 printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
 173                         val_to_str(i, trans2_cmd_vals, "Unknown (0x%02x)"),
 174                         ss->trans2[i].num,
 175                         (int)ss->trans2[i].min.secs,ss->trans2[i].min.nsecs/10000,
 176                         (int)ss->trans2[i].max.secs,ss->trans2[i].max.nsecs/10000,
 177                         td/100000, td%100000
 178                 );
 179         }
 180
 181         printf("\n");
 182         printf("NT Transaction Commands    Calls   Min RTT   Max RTT   Avg RTT\n");
 183         for(i=0;i<256;i++){
 184                 /* nothing seen, nothing to do */
 185                 if(ss->nt_trans[i].num==0){
 186                         continue;
 187                 }
 188
 189                 /* scale it to units of 10us.*/
 190                 /* for long captures with a large tot time, this can overflow on 32bit */
 191                 td=(int)ss->nt_trans[i].tot.secs;
 192                 td=td*100000+(int)ss->nt_trans[i].tot.nsecs/10000;
 193                 if(ss->nt_trans[i].num){
 194                         td/=ss->nt_trans[i].num;
 195                 } else {
 196                         td=0;
 197                 }
 198
 199                 printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
 200                         val_to_str(i, nt_cmd_vals, "Unknown (0x%02x)"),
 201                         ss->nt_trans[i].num,
 202                         (int)ss->nt_trans[i].min.secs,ss->nt_trans[i].min.nsecs/10000,
 203                         (int)ss->nt_trans[i].max.secs,ss->nt_trans[i].max.nsecs/10000,
 204                         td/100000, td%100000
 205                 );
 206         }
 207
 208         printf("===================================================================\n");
 209 }
 210
 211
 212 static void
 213 smbstat_init(const char *optarg)
 214 {
 215         smbstat_t *ss;
 216         guint32 i;
 217         const char *filter=NULL;
 218         GString *error_string;
 219
 220         if(!strncmp(optarg,"smb,rtt,",8)){
 221                 filter=optarg+8;
 222         } else {
 223                 filter=NULL;
 224         }
 225
 226         ss=g_malloc(sizeof(smbstat_t));
 227         if(filter){
 228                 ss->filter=g_malloc(strlen(filter)+1);
 229                 strcpy(ss->filter, filter);
 230         } else {
 231                 ss->filter=NULL;
 232         }
 233
 234         for(i=0;i<256;i++){
 235                 ss->proc[i].num=0;
 236                 ss->proc[i].min_num=0;
 237                 ss->proc[i].max_num=0;
 238                 ss->proc[i].min.secs=0;
 239                 ss->proc[i].min.nsecs=0;
 240                 ss->proc[i].max.secs=0;
 241                 ss->proc[i].max.nsecs=0;
 242                 ss->proc[i].tot.secs=0;
 243                 ss->proc[i].tot.nsecs=0;
 244
 245                 ss->trans2[i].num=0;
 246                 ss->trans2[i].min_num=0;
 247                 ss->trans2[i].max_num=0;
 248                 ss->trans2[i].min.secs=0;
 249                 ss->trans2[i].min.nsecs=0;
 250                 ss->trans2[i].max.secs=0;
 251                 ss->trans2[i].max.nsecs=0;
 252                 ss->trans2[i].tot.secs=0;
 253                 ss->trans2[i].tot.nsecs=0;
 254
 255                 ss->nt_trans[i].num=0;
 256                 ss->nt_trans[i].min_num=0;
 257                 ss->nt_trans[i].max_num=0;
 258                 ss->nt_trans[i].min.secs=0;
 259                 ss->nt_trans[i].min.nsecs=0;
 260                 ss->nt_trans[i].max.secs=0;
 261                 ss->nt_trans[i].max.nsecs=0;
 262                 ss->nt_trans[i].tot.secs=0;
 263                 ss->nt_trans[i].tot.nsecs=0;
 264         }
 265
 266         error_string=register_tap_listener("smb", ss, filter, NULL, smbstat_packet, smbstat_draw);
 267         if(error_string){
 268                 /* error, we failed to attach to the tap. clean up */
 269                 g_free(ss->filter);
 270                 g_free(ss);
 271
 272                 fprintf(stderr, "tethereal: Couldn't register smb,rtt tap: %s\n",
 273                     error_string->str);
 274                 g_string_free(error_string, TRUE);
 275                 exit(1);
 276         }
 277 }
 278
 279
 280 void
 281 register_tap_listener_smbstat(void)
 282 {
 283         register_stat_cmd_arg("smb,rtt", smbstat_init);
 284 }
 285