2 * dcerpcstat 2002 Ronnie Sahlberg
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
8 * Copyright 1998 Gerald Combs
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.
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.
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.
31 #ifdef HAVE_SYS_TYPES_H
32 # include <sys/types.h>
36 #include "epan/packet_info.h"
38 #include <epan/stat_cmd_args.h>
39 #include <epan/dissectors/packet-dcerpc.h>
42 /* used to keep track of statistics for a specific procedure */
43 typedef struct _rpc_procedure_t {
51 /* used to keep track of the statistics for an entire program interface */
52 typedef struct _rpcstat_t {
57 guint32 num_procedures;
58 rpc_procedure_t *procedures;
64 dcerpcstat_packet(void *prs, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pri)
66 const dcerpc_info *ri=pri;
74 if(!ri->call_data->req_frame){
75 /* we have not seen the request so we dont know the delta*/
78 if(ri->call_data->opnum>=rs->num_procedures){
79 /* dont handle this since its outside of known table */
83 /* we are only interested in reply packets */
84 if(ri->ptype != PDU_RESP){
88 /* we are only interested in certain program/versions */
89 if( (ri->call_data->uuid.Data1!=rs->uuid.Data1)
90 ||(ri->call_data->uuid.Data2!=rs->uuid.Data2)
91 ||(ri->call_data->uuid.Data3!=rs->uuid.Data3)
92 ||(ri->call_data->uuid.Data4[0]!=rs->uuid.Data4[0])
93 ||(ri->call_data->uuid.Data4[1]!=rs->uuid.Data4[1])
94 ||(ri->call_data->uuid.Data4[2]!=rs->uuid.Data4[2])
95 ||(ri->call_data->uuid.Data4[3]!=rs->uuid.Data4[3])
96 ||(ri->call_data->uuid.Data4[4]!=rs->uuid.Data4[4])
97 ||(ri->call_data->uuid.Data4[5]!=rs->uuid.Data4[5])
98 ||(ri->call_data->uuid.Data4[6]!=rs->uuid.Data4[6])
99 ||(ri->call_data->uuid.Data4[7]!=rs->uuid.Data4[7])
100 ||(ri->call_data->ver!=rs->ver)){
104 rp=&(rs->procedures[ri->call_data->opnum]);
106 /* calculate time delta between request and reply */
107 nstime_delta(&delta, &pinfo->fd->abs_ts, &ri->call_data->req_time);
110 rp->max.secs=delta.secs;
111 rp->max.nsecs=delta.nsecs;
115 rp->min.secs=delta.secs;
116 rp->min.nsecs=delta.nsecs;
119 if( (delta.secs<rp->min.secs)
120 ||( (delta.secs==rp->min.secs)
121 &&(delta.nsecs<rp->min.nsecs) ) ){
122 rp->min.secs=delta.secs;
123 rp->min.nsecs=delta.nsecs;
126 if( (delta.secs>rp->max.secs)
127 ||( (delta.secs==rp->max.secs)
128 &&(delta.nsecs>rp->max.nsecs) ) ){
129 rp->max.secs=delta.secs;
130 rp->max.nsecs=delta.nsecs;
133 rp->tot.secs += delta.secs;
134 rp->tot.nsecs += delta.nsecs;
135 if(rp->tot.nsecs>1000000000){
136 rp->tot.nsecs-=1000000000;
146 dcerpcstat_draw(void *prs)
156 printf("===================================================================\n");
157 printf("%s Major Version %u RTT Statistics:\n", rs->prog, rs->ver);
158 printf("Filter: %s\n",rs->filter?rs->filter:"");
159 printf("Procedure Calls Min RTT Max RTT Avg RTT\n");
160 for(i=0;i<rs->num_procedures;i++){
161 /* scale it to units of 10us.*/
162 /* for long captures with a large tot time, this can overflow on 32bit */
163 td=(int)rs->procedures[i].tot.secs;
164 td=td*100000+(int)rs->procedures[i].tot.nsecs/10000;
165 if(rs->procedures[i].num){
166 td/=rs->procedures[i].num;
171 printf("%-25s %6d %3d.%05d %3d.%05d %3d.%05d\n",
172 rs->procedures[i].proc,
173 rs->procedures[i].num,
174 (int)rs->procedures[i].min.secs,rs->procedures[i].min.nsecs/10000,
175 (int)rs->procedures[i].max.secs,rs->procedures[i].max.nsecs/10000,
179 printf("===================================================================\n");
185 dcerpcstat_init(const char *optarg)
188 guint32 i, max_procs;
189 dcerpc_sub_dissector *procs;
191 guint d1,d2,d3,d40,d41,d42,d43,d44,d45,d46,d47;
195 const char *filter=NULL;
196 GString *error_string;
199 * XXX - DCE RPC statistics are maintained only by major version,
200 * not by major and minor version, so the minor version number is
203 * Should we just stop supporting minor version numbers here?
204 * Or should we allow it to be omitted? Or should we keep
205 * separate statistics for different minor version numbers,
206 * and allow the minor version number to be omitted, and
207 * report aggregate statistics for all minor version numbers
210 * XXX - should this be called "srt" rather than "rtt"? The
211 * equivalent tap for Ethereal calls it "srt", for "Service
212 * Response Time", rather than "rtt" for "Round-Trip Time".
214 if(sscanf(optarg,"dcerpc,rtt,%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x,%d.%d%n", &d1,&d2,&d3,&d40,&d41,&d42,&d43,&d44,&d45,&d46,&d47,&major,&minor,&pos)==13){
232 fprintf(stderr, "tethereal: invalid \"-z dcerpc,rtt,<uuid>,<major version>.<minor version>[,<filter>]\" argument\n");
235 if (major < 0 || major > 65535) {
236 fprintf(stderr,"tethereal: dcerpcstat_init() Major version number %d is invalid - must be positive and <= 65535\n", major);
239 if (minor < 0 || minor > 65535) {
240 fprintf(stderr,"tethereal: dcerpcstat_init() Minor version number %d is invalid - must be positive and <= 65535\n", minor);
245 rs=g_malloc(sizeof(rpcstat_t));
246 rs->prog=dcerpc_get_proto_name(&uuid, ver);
249 fprintf(stderr,"tethereal: dcerpcstat_init() Protocol with uuid:%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x v%u not supported\n",uuid.Data1,uuid.Data2,uuid.Data3,uuid.Data4[0],uuid.Data4[1],uuid.Data4[2],uuid.Data4[3],uuid.Data4[4],uuid.Data4[5],uuid.Data4[6],uuid.Data4[7],ver);
252 procs=dcerpc_get_proto_sub_dissector(&uuid, ver);
257 rs->filter=g_malloc(strlen(filter)+1);
258 strcpy(rs->filter, filter);
263 for(i=0,max_procs=0;procs[i].name;i++){
264 if(procs[i].num>max_procs){
265 max_procs=procs[i].num;
268 rs->num_procedures=max_procs+1;
269 rs->procedures=g_malloc(sizeof(rpc_procedure_t)*(rs->num_procedures+1));
270 for(i=0;i<rs->num_procedures;i++){
272 rs->procedures[i].proc="unknown";
273 for(j=0;procs[j].name;j++){
275 rs->procedures[i].proc=procs[j].name;
278 rs->procedures[i].num=0;
279 rs->procedures[i].min.secs=0;
280 rs->procedures[i].min.nsecs=0;
281 rs->procedures[i].max.secs=0;
282 rs->procedures[i].max.nsecs=0;
283 rs->procedures[i].tot.secs=0;
284 rs->procedures[i].tot.nsecs=0;
287 error_string=register_tap_listener("dcerpc", rs, filter, NULL, dcerpcstat_packet, dcerpcstat_draw);
289 /* error, we failed to attach to the tap. clean up */
290 g_free(rs->procedures);
294 fprintf(stderr, "tethereal: Couldn't register dcerpc,rtt tap: %s\n",
296 g_string_free(error_string, TRUE);
302 register_tap_listener_dcerpcstat(void)
304 register_stat_cmd_arg("dcerpc,rtt,", dcerpcstat_init);