gtk/rpc_progs.c

   1 /* rpc_progs.c
   2  * rpc_progs   2002 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 /* This module provides rpc call/reply SRT statistics to Wireshark.
  26  * It is only used by Wireshark and not TShark
  27  *
  28  * It serves as an example on how to use the tap api.
  29  */
  30
  31 #ifdef HAVE_CONFIG_H
  32 # include "config.h"
  33 #endif
  34
  35 #include <stdio.h>
  36
  37 #include <gtk/gtk.h>
  38
  39 #include <epan/packet_info.h>
  40 #include <epan/epan.h>
  41 #include <epan/stat_cmd_args.h>
  42 #include <epan/tap.h>
  43 #include <epan/dissectors/packet-rpc.h>
  44
  45 #include "../stat_menu.h"
  46 #include "../globals.h"
  47
  48 #include "gtk/gui_stat_menu.h"
  49 #include "gtk/gui_utils.h"
  50 #include "gtk/dlg_utils.h"
  51 #include "gtk/main.h"
  52
  53 #define NANOSECS_PER_SEC 1000000000
  54
  55 static GtkWidget *win=NULL;
  56 static GtkWidget *table=NULL;
  57 static int num_progs=0;
  58
  59 /* used to keep track of statistics for a specific program/version */
  60 typedef struct _rpc_program_t {
  61         struct _rpc_program_t *next;
  62         guint32 program;
  63         GtkWidget *wprogram;
  64         gchar sprogram[24];
  65
  66         guint32 version;
  67         GtkWidget *wversion;
  68         gchar sversion[16];
  69
  70         int num;
  71         GtkWidget *wnum;
  72         gchar snum[16];
  73
  74         nstime_t min;
  75         GtkWidget *wmin;
  76         gchar smin[16];
  77
  78         nstime_t max;
  79         GtkWidget *wmax;
  80         gchar smax[16];
  81
  82         nstime_t tot;
  83         GtkWidget *wavg;
  84         gchar savg[16];
  85 } rpc_program_t;
  86
  87 static rpc_program_t *prog_list=NULL;
  88
  89
  90 static char *
  91 rpcprogs_gen_title(void)
  92 {
  93         char *title;
  94
  95         title = g_strdup_printf("ONC-RPC Program Statistics: %s",
  96             cf_get_display_name(&cfile));
  97         return title;
  98 }
  99
 100 static void
 101 rpcprogs_reset(void *dummy _U_)
 102 {
 103         rpc_program_t *rp;
 104
 105         while(prog_list){
 106                 rp=prog_list;
 107                 prog_list=prog_list->next;
 108
 109                 gtk_widget_destroy(rp->wprogram);
 110                 rp->wprogram=NULL;
 111                 gtk_widget_destroy(rp->wversion);
 112                 rp->wversion=NULL;
 113                 gtk_widget_destroy(rp->wnum);
 114                 rp->wnum=NULL;
 115                 gtk_widget_destroy(rp->wmin);
 116                 rp->wmin=NULL;
 117                 gtk_widget_destroy(rp->wmax);
 118                 rp->wmax=NULL;
 119                 gtk_widget_destroy(rp->wavg);
 120                 rp->wavg=NULL;
 121                 g_free(rp);
 122         }
 123         gtk_table_resize(GTK_TABLE(table), 1, 6);
 124         num_progs=0;
 125 }
 126
 127 static void
 128 add_new_program(rpc_program_t *rp)
 129 {
 130         num_progs++;
 131         gtk_table_resize(GTK_TABLE(table), num_progs+1, 6);
 132         rp->wprogram=gtk_label_new("0");
 133         gtk_table_attach_defaults(GTK_TABLE(table), rp->wprogram, 0,1,num_progs,num_progs+1);
 134         gtk_widget_show(rp->wprogram);
 135         rp->wversion=gtk_label_new("0");
 136         gtk_table_attach_defaults(GTK_TABLE(table), rp->wversion, 1,2,num_progs,num_progs+1);
 137         gtk_widget_show(rp->wversion);
 138         rp->wnum=gtk_label_new("0");
 139         gtk_table_attach_defaults(GTK_TABLE(table), rp->wnum, 2,3,num_progs,num_progs+1);
 140         gtk_widget_show(rp->wnum);
 141         rp->wmin=gtk_label_new("0");
 142         gtk_table_attach_defaults(GTK_TABLE(table), rp->wmin, 3,4,num_progs,num_progs+1);
 143         gtk_widget_show(rp->wmin);
 144         rp->wmax=gtk_label_new("0");
 145         gtk_table_attach_defaults(GTK_TABLE(table), rp->wmax, 4,5,num_progs,num_progs+1);
 146         gtk_widget_show(rp->wmax);
 147         rp->wavg=gtk_label_new("0");
 148         gtk_table_attach_defaults(GTK_TABLE(table), rp->wavg, 5,6,num_progs,num_progs+1);
 149         gtk_widget_show(rp->wavg);
 150
 151         rp->num=0;
 152         rp->min.secs=0;
 153         rp->min.nsecs=0;
 154         rp->max.secs=0;
 155         rp->max.nsecs=0;
 156         rp->tot.secs=0;
 157         rp->tot.nsecs=0;
 158 }
 159
 160
 161
 162 static gboolean
 163 rpcprogs_packet(void *dummy _U_, packet_info *pinfo, epan_dissect_t *edt _U_, const void *arg)
 164 {
 165         const rpc_call_info_value *ri = arg;
 166         nstime_t delta;
 167         rpc_program_t *rp;
 168
 169         if(!prog_list){
 170                 /* the list was empty */
 171                 rp=g_malloc(sizeof(rpc_program_t));
 172                 add_new_program(rp);
 173                 rp->next=NULL;
 174                 rp->program=ri->prog;
 175                 rp->version=ri->vers;
 176                 prog_list=rp;
 177         } else if((ri->prog==prog_list->program)
 178                 &&(ri->vers==prog_list->version)){
 179                 rp=prog_list;
 180         } else if( (ri->prog<prog_list->program)
 181                 ||((ri->prog==prog_list->program)&&(ri->vers<prog_list->version))){
 182                 /* we should be first entry in list */
 183                 rp=g_malloc(sizeof(rpc_program_t));
 184                 add_new_program(rp);
 185                 rp->next=prog_list;
 186                 rp->program=ri->prog;
 187                 rp->version=ri->vers;
 188                 prog_list=rp;
 189         } else {
 190                 /* we go somewhere else in the list */
 191                 for(rp=prog_list;rp;rp=rp->next){
 192                         if((rp->next)
 193                         && (rp->next->program==ri->prog)
 194                         && (rp->next->version==ri->vers)){
 195                                 rp=rp->next;
 196                                 break;
 197                         }
 198                         if((!rp->next)
 199                         || (rp->next->program>ri->prog)
 200                         || (  (rp->next->program==ri->prog)
 201                             &&(rp->next->version>ri->vers))){
 202                                 rpc_program_t *trp;
 203                                 trp=g_malloc(sizeof(rpc_program_t));
 204                                 add_new_program(trp);
 205                                 trp->next=rp->next;
 206                                 trp->program=ri->prog;
 207                                 trp->version=ri->vers;
 208                                 rp->next=trp;
 209                                 rp=trp;
 210                                 break;
 211                         }
 212                 }
 213         }
 214
 215
 216         /* we are only interested in reply packets */
 217         if(ri->request || !rp){
 218                 return FALSE;
 219         }
 220
 221         /* calculate time delta between request and reply */
 222         nstime_delta(&delta, &pinfo->fd->abs_ts, &ri->req_time);
 223
 224         if((rp->max.secs==0)
 225         && (rp->max.nsecs==0) ){
 226                 rp->max.secs=delta.secs;
 227                 rp->max.nsecs=delta.nsecs;
 228         }
 229
 230         if((rp->min.secs==0)
 231         && (rp->min.nsecs==0) ){
 232                 rp->min.secs=delta.secs;
 233                 rp->min.nsecs=delta.nsecs;
 234         }
 235
 236         if( (delta.secs<rp->min.secs)
 237         ||( (delta.secs==rp->min.secs)
 238           &&(delta.nsecs<rp->min.nsecs) ) ){
 239                 rp->min.secs=delta.secs;
 240                 rp->min.nsecs=delta.nsecs;
 241         }
 242
 243         if( (delta.secs>rp->max.secs)
 244         ||( (delta.secs==rp->max.secs)
 245           &&(delta.nsecs>rp->max.nsecs) ) ){
 246                 rp->max.secs=delta.secs;
 247                 rp->max.nsecs=delta.nsecs;
 248         }
 249
 250         rp->tot.secs += delta.secs;
 251         rp->tot.nsecs += delta.nsecs;
 252         if(rp->tot.nsecs>NANOSECS_PER_SEC){
 253                 rp->tot.nsecs-=NANOSECS_PER_SEC;
 254                 rp->tot.secs++;
 255         }
 256         rp->num++;
 257
 258         return TRUE;
 259 }
 260
 261
 262 static void
 263 rpcprogs_draw(void *dummy _U_)
 264 {
 265         rpc_program_t *rp;
 266         int i;
 267         guint64 td;
 268
 269         for(rp=prog_list,i=1;rp;rp=rp->next,i++){
 270                 /* Ignore procedures with no calls */
 271                 if(rp->num==0){
 272                         td=0;
 273                         continue;
 274                 }
 275                 /* Scale the average SRT in units of 1us and round to the nearest us.
 276                    tot.secs is a time_t which may be 32 or 64 bits (or even floating)
 277                    depending on the platform.  After casting tot.secs to a 64 bits int, it
 278                    would take a capture with a duration of over 136 *years* to
 279                    overflow the secs portion of td. */
 280                 td = ((guint64)(rp->tot.secs))*NANOSECS_PER_SEC + rp->tot.nsecs;
 281                 td = ((td / rp->num) + 500) / 1000;
 282
 283                 g_snprintf(rp->sprogram, sizeof(rp->sprogram), "%s",rpc_prog_name(rp->program));
 284                 gtk_label_set_text(GTK_LABEL(rp->wprogram), rp->sprogram);
 285
 286                 g_snprintf(rp->sversion, sizeof(rp->sversion), "%d",rp->version);
 287                 gtk_label_set_text(GTK_LABEL(rp->wversion), rp->sversion);
 288
 289                 g_snprintf(rp->snum, sizeof(rp->snum), "%d",rp->num);
 290                 gtk_label_set_text(GTK_LABEL(rp->wnum), rp->snum);
 291
 292                 g_snprintf(rp->smin, sizeof(rp->smin), "%3d.%06d",(int)rp->min.secs, (rp->min.nsecs+500)/1000);
 293                 gtk_label_set_text(GTK_LABEL(rp->wmin), rp->smin);
 294
 295                 g_snprintf(rp->smax, sizeof(rp->smax), "%3d.%06d",(int)rp->max.secs, (rp->max.nsecs+500)/1000);
 296                 gtk_label_set_text(GTK_LABEL(rp->wmax), rp->smax);
 297
 298                 g_snprintf(rp->savg, sizeof(rp->savg), "%3d.%06d",(int)(td/1000000),(int)(td%1000000));
 299                 gtk_label_set_text(GTK_LABEL(rp->wavg), rp->savg);
 300
 301         }
 302 }
 303
 304 /* since the gtk2 implementation of tap is multithreaded we must protect
 305  * remove_tap_listener() from modifying the list while draw_tap_listener()
 306  * is running.  the other protected block is in main.c
 307  *
 308  * there should not be any other critical regions in gtk2
 309  */
 310 static void
 311 win_destroy_cb(void *dummy _U_, gpointer data _U_)
 312 {
 313         rpc_program_t *rp, *rp2;
 314
 315         protect_thread_critical_region();
 316         remove_tap_listener(win);
 317         unprotect_thread_critical_region();
 318
 319         win=NULL;
 320         for(rp=prog_list;rp;){
 321                 rp2=rp->next;
 322                 g_free(rp);
 323                 rp=rp2;
 324         }
 325         prog_list=NULL;
 326 }
 327
 328
 329 /* When called, this function will start rpcprogs
 330  */
 331 static void
 332 gtk_rpcprogs_init(const char *optarg _U_, void* userdata _U_)
 333 {
 334         char *title_string;
 335         GtkWidget *vbox;
 336         GtkWidget *stat_label;
 337         GtkWidget *tmp;
 338         GString *error_string;
 339         GtkWidget *bt_close;
 340         GtkWidget *bbox;
 341
 342         if(win){
 343                 gdk_window_raise(win->window);
 344                 return;
 345         }
 346
 347         title_string = rpcprogs_gen_title();
 348         win = dlg_window_new(title_string);  /* transient_for top_level */
 349         gtk_window_set_destroy_with_parent (GTK_WINDOW(win), TRUE);
 350
 351         vbox=gtk_vbox_new(FALSE, 3);
 352         gtk_container_add(GTK_CONTAINER(win), vbox);
 353         gtk_container_set_border_width(GTK_CONTAINER(vbox), 12);
 354
 355         stat_label=gtk_label_new(title_string);
 356         g_free(title_string);
 357         gtk_box_pack_start(GTK_BOX(vbox), stat_label, FALSE, FALSE, 0);
 358
 359
 360         table=gtk_table_new(1, 5, TRUE);
 361         gtk_container_add(GTK_CONTAINER(vbox), table);
 362
 363         tmp=gtk_label_new("Program");
 364         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 0,1,0,1);
 365         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_LEFT);
 366
 367         tmp=gtk_label_new("Version");
 368         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 1,2,0,1);
 369         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 370
 371         tmp=gtk_label_new("Calls");
 372         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 2,3,0,1);
 373         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 374
 375         tmp=gtk_label_new("Min SRT");
 376         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 3,4,0,1);
 377         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 378
 379         tmp=gtk_label_new("Max SRT");
 380         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 4,5,0,1);
 381         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 382
 383         tmp=gtk_label_new("Avg SRT");
 384         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 5,6,0,1);
 385         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 386
 387         error_string=register_tap_listener("rpc", win, NULL, 0, rpcprogs_reset, rpcprogs_packet, rpcprogs_draw);
 388         if(error_string){
 389                 fprintf(stderr, "wireshark: Couldn't register rpc,programs tap: %s\n",
 390                     error_string->str);
 391                 g_string_free(error_string, TRUE);
 392                 exit(1);
 393         }
 394
 395         /* Button row. */
 396         bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
 397         gtk_box_pack_start(GTK_BOX(vbox), bbox, FALSE, FALSE, 0);
 398
 399         bt_close = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
 400         window_set_cancel_button(win, bt_close, window_cancel_button_cb);
 401
 402         g_signal_connect(win, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
 403         g_signal_connect(win, "destroy", G_CALLBACK(win_destroy_cb), NULL);
 404
 405         gtk_widget_show_all(win);
 406         window_present(win);
 407
 408         cf_retap_packets(&cfile);
 409         gdk_window_raise(win->window);
 410 }
 411
 412 static void
 413 gtk_rpcprogs_cb(GtkWidget *w _U_, gpointer d _U_)
 414 {
 415         gtk_rpcprogs_init("",NULL);
 416 }
 417
 418 void
 419 register_tap_listener_gtkrpcprogs(void)
 420 {
 421         register_stat_cmd_arg("rpc,programs", gtk_rpcprogs_init,NULL);
 422
 423         register_stat_menu_item("ONC-RPC Programs", REGISTER_STAT_GROUP_UNSORTED,
 424         gtk_rpcprogs_cb, NULL, NULL, NULL);
 425 }