172 lines
4.1 KiB
C
172 lines
4.1 KiB
C
/* tap-afpstat.c
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* Based on
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* smbstat 2003 Ronnie Sahlberg
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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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 <epan/tap.h>
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#include <epan/stat_cmd_args.h>
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#include <epan/value_string.h>
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#include <epan/dissectors/packet-afp.h>
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#include "register.h"
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#include "timestats.h"
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/* used to keep track of the statistics for an entire program interface */
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typedef struct _afpstat_t {
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char *filter;
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timestat_t proc[256];
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} afpstat_t;
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static int
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afpstat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, const void *prv)
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{
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afpstat_t *ss=(afpstat_t *)pss;
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const afp_request_val *request_val=prv;
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nstime_t t, deltat;
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timestat_t *sp=NULL;
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/* if we havnt seen the request, just ignore it */
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if(!request_val){
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return 0;
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}
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sp=&(ss->proc[request_val->command]);
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/* calculate time delta between request and reply */
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t=pinfo->fd->abs_ts;
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nstime_delta(&deltat, &t, &request_val->req_time);
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if(sp){
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time_stat_update(sp,&deltat, pinfo);
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}
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return 1;
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}
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static void
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afpstat_draw(void *pss)
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{
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afpstat_t *ss=(afpstat_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("AFP 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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/* 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, CommandCode_vals, "Unknown (%u)"),
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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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}
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static void
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afpstat_init(const char *optarg, void* userdata _U_)
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{
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afpstat_t *ss;
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guint32 i;
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const char *filter=NULL;
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GString *error_string;
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if(!strncmp(optarg,"afp,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(afpstat_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_num=0;
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ss->proc[i].max_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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}
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error_string=register_tap_listener("afp", ss, filter, NULL, afpstat_packet, afpstat_draw);
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if(error_string){
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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: Couldn't register afp,rtt tap: %s\n",
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error_string->str);
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g_string_free(error_string, TRUE);
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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_afpstat(void)
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{
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register_stat_cmd_arg("afp,rtt", afpstat_init,NULL);
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}
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