The Styleguide section has been moved to the Wireshark Developer's Guide.
[obnox/wireshark/wip.git] / 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., 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_cmd_args.h>
39 #include "epan/value_string.h"
40 #include <epan/dissectors/packet-smb.h>
41 #include "timestats.h"
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=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 RTT Statistics:\n");
108         printf("Filter: %s\n",ss->filter?ss->filter:"");
109         printf("Commands                   Calls   Min RTT   Max RTT   Avg RTT\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 it to units of 10us.*/
127                 td=ss->proc[i].tot.secs;
128                 td=td*100000+(int)ss->proc[i].tot.nsecs/10000;
129                 if(ss->proc[i].num){
130                         td/=ss->proc[i].num;
131                 } else {
132                         td=0;
133                 }
134
135                 printf("%-25s %6d %3d.%05d %3d.%05d %3" G_GINT64_MODIFIER "u.%05" G_GINT64_MODIFIER "u\n",
136                         val_to_str_ext(i, &smb_cmd_vals_ext, "Unknown (0x%02x)"),
137                         ss->proc[i].num,
138                         (int)ss->proc[i].min.secs,ss->proc[i].min.nsecs/10000,
139                         (int)ss->proc[i].max.secs,ss->proc[i].max.nsecs/10000,
140                         td/100000, td%100000
141                 );
142         }
143
144         printf("\n");
145         printf("Transaction2 Commands      Calls   Min RTT   Max RTT   Avg RTT\n");
146         for(i=0;i<256;i++){
147                 /* nothing seen, nothing to do */
148                 if(ss->trans2[i].num==0){
149                         continue;
150                 }
151
152                 /* scale it to units of 10us.*/
153                 td=ss->trans2[i].tot.secs;
154                 td=td*100000+(int)ss->trans2[i].tot.nsecs/10000;
155                 if(ss->trans2[i].num){
156                         td/=ss->trans2[i].num;
157                 } else {
158                         td=0;
159                 }
160
161                 printf("%-25s %6d %3d.%05d %3d.%05d %3" G_GINT64_MODIFIER "u.%05" G_GINT64_MODIFIER "u\n",
162                         val_to_str_ext(i, &trans2_cmd_vals_ext, "Unknown (0x%02x)"),
163                         ss->trans2[i].num,
164                         (int)ss->trans2[i].min.secs,ss->trans2[i].min.nsecs/10000,
165                         (int)ss->trans2[i].max.secs,ss->trans2[i].max.nsecs/10000,
166                         td/100000, td%100000
167                 );
168         }
169
170         printf("\n");
171         printf("NT Transaction Commands    Calls   Min RTT   Max RTT   Avg RTT\n");
172         for(i=0;i<256;i++){
173                 /* nothing seen, nothing to do */
174                 if(ss->nt_trans[i].num==0){
175                         continue;
176                 }
177
178                 /* scale it to units of 10us.*/
179                 td=ss->nt_trans[i].tot.secs;
180                 td=td*100000+(int)ss->nt_trans[i].tot.nsecs/10000;
181                 if(ss->nt_trans[i].num){
182                         td/=ss->nt_trans[i].num;
183                 } else {
184                         td=0;
185                 }
186
187                 printf("%-25s %6d %3d.%05d %3d.%05d %3" G_GINT64_MODIFIER "u.%05" G_GINT64_MODIFIER "u\n",
188                         val_to_str_ext(i, &nt_cmd_vals_ext, "Unknown (0x%02x)"),
189                         ss->nt_trans[i].num,
190                         (int)ss->nt_trans[i].min.secs,ss->nt_trans[i].min.nsecs/10000,
191                         (int)ss->nt_trans[i].max.secs,ss->nt_trans[i].max.nsecs/10000,
192                         td/100000, td%100000
193                 );
194         }
195
196         printf("===================================================================\n");
197 }
198
199
200 static void
201 smbstat_init(const char *optarg,void* userdata _U_)
202 {
203         smbstat_t *ss;
204         guint32 i;
205         const char *filter=NULL;
206         GString *error_string;
207
208         if(!strncmp(optarg,"smb,rtt,",8)){
209                 filter=optarg+8;
210         } else {
211                 filter=NULL;
212         }
213
214         ss=g_malloc(sizeof(smbstat_t));
215         if(filter){
216                 ss->filter=g_strdup(filter);
217         } else {
218                 ss->filter=NULL;
219         }
220
221         for(i=0;i<256;i++){
222                 ss->proc[i].num=0;
223                 ss->proc[i].min_num=0;
224                 ss->proc[i].max_num=0;
225                 ss->proc[i].min.secs=0;
226                 ss->proc[i].min.nsecs=0;
227                 ss->proc[i].max.secs=0;
228                 ss->proc[i].max.nsecs=0;
229                 ss->proc[i].tot.secs=0;
230                 ss->proc[i].tot.nsecs=0;
231
232                 ss->trans2[i].num=0;
233                 ss->trans2[i].min_num=0;
234                 ss->trans2[i].max_num=0;
235                 ss->trans2[i].min.secs=0;
236                 ss->trans2[i].min.nsecs=0;
237                 ss->trans2[i].max.secs=0;
238                 ss->trans2[i].max.nsecs=0;
239                 ss->trans2[i].tot.secs=0;
240                 ss->trans2[i].tot.nsecs=0;
241
242                 ss->nt_trans[i].num=0;
243                 ss->nt_trans[i].min_num=0;
244                 ss->nt_trans[i].max_num=0;
245                 ss->nt_trans[i].min.secs=0;
246                 ss->nt_trans[i].min.nsecs=0;
247                 ss->nt_trans[i].max.secs=0;
248                 ss->nt_trans[i].max.nsecs=0;
249                 ss->nt_trans[i].tot.secs=0;
250                 ss->nt_trans[i].tot.nsecs=0;
251         }
252
253         error_string=register_tap_listener("smb", ss, filter, 0, NULL, smbstat_packet, smbstat_draw);
254         if(error_string){
255                 /* error, we failed to attach to the tap. clean up */
256                 g_free(ss->filter);
257                 g_free(ss);
258
259                 fprintf(stderr, "tshark: Couldn't register smb,rtt tap: %s\n",
260                     error_string->str);
261                 g_string_free(error_string, TRUE);
262                 exit(1);
263         }
264 }
265
266
267 void
268 register_tap_listener_smbstat(void)
269 {
270         register_stat_cmd_arg("smb,rtt", smbstat_init,NULL);
271 }
272