forked from osmocom/wireshark
301 lines
6.9 KiB
C
301 lines
6.9 KiB
C
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/* tap-smbstat.c
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* smbstat 2003 Ronnie Sahlberg
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*
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* $Id: tap-smbstat.c,v 1.1 2003/01/22 00:42:03 sahlberg Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include <string.h>
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#include "epan/packet_info.h"
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#include "tap.h"
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#include "epan/value_string.h"
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#include "smb.h"
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#include "register.h"
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typedef struct _smb_procedure_t {
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int num;
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nstime_t min;
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nstime_t max;
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nstime_t tot;
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} smb_procedure_t;
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/* used to keep track of the statistics for an entire program interface */
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typedef struct _smbstat_t {
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char *filter;
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smb_procedure_t proc[256];
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smb_procedure_t trans2[256];
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smb_procedure_t nt_trans[256];
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} smbstat_t;
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static int
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smbstat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, void *psi)
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{
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smbstat_t *ss=(smbstat_t *)pss;
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smb_info_t *si=psi;
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nstime_t delta;
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smb_procedure_t *sp;
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/* we are only interested in reply packets */
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if(si->request){
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return 0;
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}
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/* if we havnt seen the request, just ignore it */
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if(!si->sip){
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return 0;
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}
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if(si->cmd==0xA0){
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smb_nt_transact_info_t *sti=(smb_nt_transact_info_t *)si->sip->extra_info;
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/*nt transaction*/
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sp=&(ss->nt_trans[sti->subcmd]);
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} else if(si->cmd==0x32){
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smb_transact2_info_t *st2i=(smb_transact2_info_t *)si->sip->extra_info;
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/*transaction2*/
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sp=&(ss->trans2[st2i->subcmd]);
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} else {
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sp=&(ss->proc[si->cmd]);
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}
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/* calculate time delta between request and reply */
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delta.secs=pinfo->fd->abs_secs-si->sip->req_time.secs;
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delta.nsecs=pinfo->fd->abs_usecs*1000-si->sip->req_time.nsecs;
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if(delta.nsecs<0){
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delta.nsecs+=1000000000;
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delta.secs--;
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}
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if((sp->max.secs==0)
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&& (sp->max.nsecs==0) ){
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sp->max.secs=delta.secs;
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sp->max.nsecs=delta.nsecs;
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}
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if((sp->min.secs==0)
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&& (sp->min.nsecs==0) ){
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sp->min.secs=delta.secs;
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sp->min.nsecs=delta.nsecs;
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}
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if( (delta.secs<sp->min.secs)
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||( (delta.secs==sp->min.secs)
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&&(delta.nsecs<sp->min.nsecs) ) ){
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sp->min.secs=delta.secs;
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sp->min.nsecs=delta.nsecs;
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}
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if( (delta.secs>sp->max.secs)
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||( (delta.secs==sp->max.secs)
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&&(delta.nsecs>sp->max.nsecs) ) ){
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sp->max.secs=delta.secs;
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sp->max.nsecs=delta.nsecs;
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}
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sp->tot.secs += delta.secs;
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sp->tot.nsecs += delta.nsecs;
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if(sp->tot.nsecs>1000000000){
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sp->tot.nsecs-=1000000000;
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sp->tot.secs++;
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}
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sp->num++;
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return 1;
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}
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static void
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smbstat_draw(void *pss)
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{
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smbstat_t *ss=(smbstat_t *)pss;
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guint32 i;
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#ifdef G_HAVE_UINT64
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guint64 td;
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#else
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guint32 td;
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#endif
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printf("\n");
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printf("===================================================================\n");
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printf("SMB RTT Statistics:\n");
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printf("Filter: %s\n",ss->filter?ss->filter:"");
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printf("Commands Calls Min RTT Max RTT Avg RTT\n");
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for(i=0;i<256;i++){
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/* nothing seen, nothing to do */
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if(ss->proc[i].num==0){
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continue;
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}
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/* we deal with transaction2 later */
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if(i==0x32){
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continue;
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}
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/* we deal with nt transaction later */
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if(i==0xA0){
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continue;
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}
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/* scale it to units of 10us.*/
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/* for long captures with a large tot time, this can overflow on 32bit */
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td=(int)ss->proc[i].tot.secs;
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td=td*100000+(int)ss->proc[i].tot.nsecs/10000;
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if(ss->proc[i].num){
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td/=ss->proc[i].num;
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} else {
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td=0;
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}
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printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
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val_to_str(i, smb_cmd_vals, "Unknown (0x%02x)"),
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ss->proc[i].num,
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(int)ss->proc[i].min.secs,ss->proc[i].min.nsecs/10000,
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(int)ss->proc[i].max.secs,ss->proc[i].max.nsecs/10000,
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td/100000, td%100000
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);
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}
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printf("\n");
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printf("Transaction2 Commands Calls Min RTT Max RTT Avg RTT\n");
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for(i=0;i<256;i++){
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/* nothing seen, nothing to do */
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if(ss->trans2[i].num==0){
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continue;
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}
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/* scale it to units of 10us.*/
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/* for long captures with a large tot time, this can overflow on 32bit */
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td=(int)ss->trans2[i].tot.secs;
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td=td*100000+(int)ss->trans2[i].tot.nsecs/10000;
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if(ss->trans2[i].num){
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td/=ss->trans2[i].num;
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} else {
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td=0;
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}
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printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
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val_to_str(i, trans2_cmd_vals, "Unknown (0x%02x)"),
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ss->trans2[i].num,
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(int)ss->trans2[i].min.secs,ss->trans2[i].min.nsecs/10000,
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(int)ss->trans2[i].max.secs,ss->trans2[i].max.nsecs/10000,
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td/100000, td%100000
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);
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}
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printf("\n");
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printf("NT Transaction Commands Calls Min RTT Max RTT Avg RTT\n");
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for(i=0;i<256;i++){
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/* nothing seen, nothing to do */
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if(ss->nt_trans[i].num==0){
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continue;
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}
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/* scale it to units of 10us.*/
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/* for long captures with a large tot time, this can overflow on 32bit */
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td=(int)ss->nt_trans[i].tot.secs;
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td=td*100000+(int)ss->nt_trans[i].tot.nsecs/10000;
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if(ss->nt_trans[i].num){
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td/=ss->nt_trans[i].num;
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} else {
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td=0;
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}
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printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
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val_to_str(i, nt_cmd_vals, "Unknown (0x%02x)"),
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ss->nt_trans[i].num,
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(int)ss->nt_trans[i].min.secs,ss->nt_trans[i].min.nsecs/10000,
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(int)ss->nt_trans[i].max.secs,ss->nt_trans[i].max.nsecs/10000,
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td/100000, td%100000
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);
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}
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printf("===================================================================\n");
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}
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static void
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smbstat_init(char *optarg)
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{
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smbstat_t *ss;
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guint32 i;
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char *filter=NULL;
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if(!strncmp(optarg,"smb,rtt,",8)){
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filter=optarg+8;
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} else {
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filter=NULL;
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}
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ss=g_malloc(sizeof(smbstat_t));
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if(filter){
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ss->filter=g_malloc(strlen(filter)+1);
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strcpy(ss->filter, filter);
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} else {
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ss->filter=NULL;
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}
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for(i=0;i<256;i++){
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ss->proc[i].num=0;
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ss->proc[i].min.secs=0;
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ss->proc[i].min.nsecs=0;
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ss->proc[i].max.secs=0;
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ss->proc[i].max.nsecs=0;
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ss->proc[i].tot.secs=0;
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ss->proc[i].tot.nsecs=0;
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ss->trans2[i].num=0;
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ss->trans2[i].min.secs=0;
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ss->trans2[i].min.nsecs=0;
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ss->trans2[i].max.secs=0;
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ss->trans2[i].max.nsecs=0;
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ss->trans2[i].tot.secs=0;
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ss->trans2[i].tot.nsecs=0;
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}
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if(register_tap_listener("smb", ss, filter, NULL, smbstat_packet, smbstat_draw)){
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/* error, we failed to attach to the tap. clean up */
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g_free(ss->filter);
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g_free(ss);
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fprintf(stderr,"tethereal: smbstat_init() failed to attach to tap.\n");
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exit(1);
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}
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}
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void
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register_tap_listener_smbstat(void)
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{
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register_ethereal_tap("smb,rtt", smbstat_init, NULL, NULL);
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}
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