gtk2/rpc_progs.c

   1 /* rpc_progs.c
   2  * rpc_progs   2002 Ronnie Sahlberg
   3  *
   4  * $Id: rpc_progs.c,v 1.1 2002/09/07 09:28:05 sahlberg Exp $
   5  *
   6  * Ethereal - Network traffic analyzer
   7  * By Gerald Combs <gerald@ethereal.com>
   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 RTT statistics to tethereal.
  26  * It is only used by tethereal and not ethereal
  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 <gtk/gtk.h>
  36 #include "epan/packet_info.h"
  37 #include "tap.h"
  38 #include "rpc_progs.h"
  39 #include "packet-rpc.h"
  40
  41 static GtkWidget *win=NULL;
  42 static GtkWidget *table=NULL;
  43 static int num_progs=0;
  44
  45 /* used to keep track of statistics for a specific program/version */
  46 typedef struct _rpc_program_t {
  47         struct _rpc_program_t *next;
  48         guint32 program;
  49         GtkWidget *wprogram;
  50         gchar sprogram[24];
  51
  52         guint32 version;
  53         GtkWidget *wversion;
  54         gchar sversion[16];
  55
  56         int num;
  57         GtkWidget *wnum;
  58         gchar snum[16];
  59
  60         nstime_t min;
  61         GtkWidget *wmin;
  62         gchar smin[16];
  63
  64         nstime_t max;
  65         GtkWidget *wmax;
  66         gchar smax[16];
  67
  68         nstime_t tot;
  69         GtkWidget *wavg;
  70         gchar savg[16];
  71 } rpc_program_t;
  72
  73 static rpc_program_t *prog_list=NULL;
  74
  75
  76 static void
  77 rpcprogs_reset(void *dummy _U_)
  78 {
  79         rpc_program_t *rp;
  80
  81         for(rp=prog_list;rp;rp=rp->next){
  82                 rp->num=0;
  83                 rp->min.secs=0;
  84                 rp->min.nsecs=0;
  85                 rp->max.secs=0;
  86                 rp->max.nsecs=0;
  87                 rp->tot.secs=0;
  88                 rp->tot.nsecs=0;
  89         }
  90 }
  91
  92 static void
  93 add_new_program(rpc_program_t *rp)
  94 {
  95         num_progs++;
  96         gtk_table_resize(GTK_TABLE(table), num_progs+1, 6);
  97         rp->wprogram=gtk_label_new("0");
  98         gtk_table_attach_defaults(GTK_TABLE(table), rp->wprogram, 0,1,num_progs,num_progs+1);
  99         gtk_widget_show(rp->wprogram);
 100         rp->wversion=gtk_label_new("0");
 101         gtk_table_attach_defaults(GTK_TABLE(table), rp->wversion, 1,2,num_progs,num_progs+1);
 102         gtk_widget_show(rp->wversion);
 103         rp->wnum=gtk_label_new("0");
 104         gtk_table_attach_defaults(GTK_TABLE(table), rp->wnum, 2,3,num_progs,num_progs+1);
 105         gtk_widget_show(rp->wnum);
 106         rp->wmin=gtk_label_new("0");
 107         gtk_table_attach_defaults(GTK_TABLE(table), rp->wmin, 3,4,num_progs,num_progs+1);
 108         gtk_widget_show(rp->wmin);
 109         rp->wmax=gtk_label_new("0");
 110         gtk_table_attach_defaults(GTK_TABLE(table), rp->wmax, 4,5,num_progs,num_progs+1);
 111         gtk_widget_show(rp->wmax);
 112         rp->wavg=gtk_label_new("0");
 113         gtk_table_attach_defaults(GTK_TABLE(table), rp->wavg, 5,6,num_progs,num_progs+1);
 114         gtk_widget_show(rp->wavg);
 115
 116         rp->num=0;
 117         rp->min.secs=0;
 118         rp->min.nsecs=0;
 119         rp->max.secs=0;
 120         rp->max.nsecs=0;
 121         rp->tot.secs=0;
 122         rp->tot.nsecs=0;
 123 }
 124
 125
 126
 127 static int
 128 rpcprogs_packet(void *dummy _U_, packet_info *pinfo, rpc_call_info_value *ri)
 129 {
 130         nstime_t delta;
 131         rpc_program_t *rp;
 132
 133         if(!prog_list){
 134                 /* the list was empty */
 135                 rp=g_malloc(sizeof(rpc_program_t));
 136                 add_new_program(rp);
 137                 rp->next=NULL;
 138                 rp->program=ri->prog;
 139                 rp->version=ri->vers;
 140                 prog_list=rp;
 141         } else if((ri->prog==prog_list->program)
 142                 &&(ri->vers==prog_list->version)){
 143                 rp=prog_list;
 144         } else if( (ri->prog<prog_list->program)
 145                 ||((ri->prog==prog_list->program)&&(ri->vers<prog_list->version))){
 146                 /* we should be first entry in list */
 147                 rp=g_malloc(sizeof(rpc_program_t));
 148                 add_new_program(rp);
 149                 rp->next=prog_list;
 150                 rp->program=ri->prog;
 151                 rp->version=ri->vers;
 152                 prog_list=rp;
 153         } else {
 154                 /* we go somewhere else in the list */
 155                 for(rp=prog_list;rp;rp=rp->next){
 156                         if((rp->next)
 157                         && (rp->next->program==ri->prog)
 158                         && (rp->next->version==ri->vers)){
 159                                 rp=rp->next;
 160                                 break;
 161                         }
 162                         if((!rp->next)
 163                         || (rp->next->program>ri->prog)
 164                         || (  (rp->next->program==ri->prog)
 165                             &&(rp->next->version>ri->vers))){
 166                                 rpc_program_t *trp;
 167                                 trp=g_malloc(sizeof(rpc_program_t));
 168                                 add_new_program(trp);
 169                                 trp->next=rp->next;
 170                                 trp->program=ri->prog;
 171                                 trp->version=ri->vers;
 172                                 rp->next=trp;
 173                                 rp=trp;
 174                                 break;
 175                         }
 176                 }
 177         }
 178
 179
 180         /* we are only interested in reply packets */
 181         if(ri->request){
 182                 return 0;
 183         }
 184
 185         /* calculate time delta between request and reply */
 186         delta.secs=pinfo->fd->abs_secs-ri->req_time.secs;
 187         delta.nsecs=pinfo->fd->abs_usecs*1000-ri->req_time.nsecs;
 188         if(delta.nsecs<0){
 189                 delta.nsecs+=1000000000;
 190                 delta.secs--;
 191         }
 192
 193         if((rp->max.secs==0)
 194         && (rp->max.nsecs==0) ){
 195                 rp->max.secs=delta.secs;
 196                 rp->max.nsecs=delta.nsecs;
 197         }
 198
 199         if((rp->min.secs==0)
 200         && (rp->min.nsecs==0) ){
 201                 rp->min.secs=delta.secs;
 202                 rp->min.nsecs=delta.nsecs;
 203         }
 204
 205         if( (delta.secs<rp->min.secs)
 206         ||( (delta.secs==rp->min.secs)
 207           &&(delta.nsecs<rp->min.nsecs) ) ){
 208                 rp->min.secs=delta.secs;
 209                 rp->min.nsecs=delta.nsecs;
 210         }
 211
 212         if( (delta.secs>rp->max.secs)
 213         ||( (delta.secs==rp->max.secs)
 214           &&(delta.nsecs>rp->max.nsecs) ) ){
 215                 rp->max.secs=delta.secs;
 216                 rp->max.nsecs=delta.nsecs;
 217         }
 218
 219         rp->tot.secs += delta.secs;
 220         rp->tot.nsecs += delta.nsecs;
 221         if(rp->tot.nsecs>1000000000){
 222                 rp->tot.nsecs-=1000000000;
 223                 rp->tot.secs++;
 224         }
 225         rp->num++;
 226
 227         return 1;
 228 }
 229
 230
 231 static void
 232 rpcprogs_draw(void *dummy _U_)
 233 {
 234         rpc_program_t *rp;
 235         int i;
 236 #ifdef G_HAVE_UINT64
 237         guint64 td;
 238 #else
 239         guint32 td;
 240 #endif
 241
 242         for(rp=prog_list,i=1;rp;rp=rp->next,i++){
 243                 /* scale it to units of 10us.*/
 244                 /* for long captures with a large tot time, this can overflow on 32bit */
 245                 td=(int)rp->tot.secs;
 246                 td=td*100000+(int)rp->tot.nsecs/10000;
 247                 if(rp->num){
 248                         td/=rp->num;
 249                 } else {
 250                         td=0;
 251                 }
 252
 253                 sprintf(rp->sprogram,"%s",rpc_prog_name(rp->program));
 254                 gtk_label_set_text(GTK_LABEL(rp->wprogram), rp->sprogram);
 255
 256                 sprintf(rp->sversion,"%d",rp->version);
 257                 gtk_label_set_text(GTK_LABEL(rp->wversion), rp->sversion);
 258
 259                 sprintf(rp->snum,"%d",rp->num);
 260                 gtk_label_set_text(GTK_LABEL(rp->wnum), rp->snum);
 261
 262                 sprintf(rp->smin,"%3d.%05d",(int)rp->min.secs,(int)rp->min.nsecs/10000);
 263                 gtk_label_set_text(GTK_LABEL(rp->wmin), rp->smin);
 264
 265                 sprintf(rp->smax,"%3d.%05d",(int)rp->max.secs,(int)rp->max.nsecs/10000);
 266                 gtk_label_set_text(GTK_LABEL(rp->wmax), rp->smax);
 267
 268                 sprintf(rp->savg,"%3d.%05d",(int)td/100000,(int)td%100000);
 269                 gtk_label_set_text(GTK_LABEL(rp->wavg), rp->savg);
 270
 271         }
 272 }
 273
 274 /* since the gtk2 implementation of tap is multithreaded we must protect
 275  * remove_tap_listener() from modifying the list while draw_tap_listener()
 276  * is running.  the other protected block is in main.c
 277  *
 278  * there should not be any other critical regions in gtk2
 279  */
 280 void protect_thread_critical_region(void);
 281 void unprotect_thread_critical_region(void);
 282 static void
 283 win_destroy_cb(void *dummy _U_, gpointer data _U_)
 284 {
 285         rpc_program_t *rp, *rp2;
 286
 287         protect_thread_critical_region();
 288         remove_tap_listener(win);
 289         unprotect_thread_critical_region();
 290
 291         win=NULL;
 292         for(rp=prog_list;rp;){
 293                 rp2=rp->next;
 294                 g_free(rp);
 295                 rp=rp2;
 296         }
 297         prog_list=NULL;
 298 }
 299
 300
 301 /* When called, this function will start rpcprogs
 302  */
 303 void
 304 gtk_rpcprogs_init(void)
 305 {
 306         char title_string[60];
 307         GtkWidget *vbox;
 308         GtkWidget *stat_label;
 309         GtkWidget *tmp;
 310
 311         if(win){
 312                 gdk_window_raise(win->window);
 313                 return;
 314         }
 315
 316         win=gtk_window_new(GTK_WINDOW_TOPLEVEL);
 317         sprintf(title_string,"ONC-RPC Program Statistics");
 318         gtk_window_set_title(GTK_WINDOW(win), title_string);
 319         gtk_signal_connect(GTK_OBJECT(win), "destroy", GTK_SIGNAL_FUNC(win_destroy_cb), win);
 320
 321         vbox=gtk_vbox_new(FALSE, 0);
 322         gtk_container_add(GTK_CONTAINER(win), vbox);
 323         gtk_container_set_border_width(GTK_CONTAINER(vbox), 10);
 324         gtk_widget_show(vbox);
 325
 326         stat_label=gtk_label_new(title_string);
 327         gtk_box_pack_start(GTK_BOX(vbox), stat_label, FALSE, FALSE, 0);
 328         gtk_widget_show(stat_label);
 329
 330
 331         table=gtk_table_new(1, 5, TRUE);
 332         gtk_container_add(GTK_CONTAINER(vbox), table);
 333
 334         tmp=gtk_label_new("Program");
 335         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 0,1,0,1);
 336         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_LEFT);
 337         gtk_widget_show(tmp);
 338
 339         tmp=gtk_label_new("Version");
 340         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 1,2,0,1);
 341         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 342         gtk_widget_show(tmp);
 343
 344         tmp=gtk_label_new("Calls");
 345         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 2,3,0,1);
 346         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 347         gtk_widget_show(tmp);
 348
 349         tmp=gtk_label_new("Min RTT");
 350         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 3,4,0,1);
 351         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 352         gtk_widget_show(tmp);
 353
 354         tmp=gtk_label_new("Max RTT");
 355         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 4,5,0,1);
 356         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 357         gtk_widget_show(tmp);
 358
 359         tmp=gtk_label_new("Avg RTT");
 360         gtk_table_attach_defaults(GTK_TABLE(table), tmp, 5,6,0,1);
 361         gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_RIGHT);
 362         gtk_widget_show(tmp);
 363
 364
 365         gtk_widget_show(table);
 366
 367         if(register_tap_listener("rpc", win, NULL, (void*)rpcprogs_reset, (void*)rpcprogs_packet, (void*)rpcprogs_draw)){
 368                 fprintf(stderr, "ethereal: gtk_rpcprogs_init() failed to register tap\n");
 369                 exit(1);
 370         }
 371
 372
 373         gtk_widget_show_all(win);
 374 }
 375