gtk/h225_ras_srt.c

   1 /* h225_ras_srt.c
   2  * H.225 RAS Service Response Time statistics for Wireshar
   3  * Copyright 2003 Lars Roland
   4  *
   5  * $Id$
   6  *
   7  * Wireshark - Network traffic analyzer
   8  * By Gerald Combs <gerald@wireshark.org>
   9  * Copyright 1998 Gerald Combs
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #ifdef HAVE_SYS_TYPES_H
  31 # include <sys/types.h>
  32 #endif
  33
  34 #include <string.h>
  35
  36 #include <gtk/gtk.h>
  37
  38 #include <epan/packet.h>
  39 #include <epan/packet_info.h>
  40 #include <epan/epan.h>
  41 #include <epan/value_string.h>
  42 #include <epan/tap.h>
  43 #include <epan/dissectors/packet-h225.h>
  44
  45 #include "../register.h"
  46 #include "../timestats.h"
  47 #include "../simple_dialog.h"
  48 #include "../file.h"
  49 #include "../globals.h"
  50 #include "../stat_menu.h"
  51
  52 #include "gtk/gui_stat_util.h"
  53 #include "gtk/dlg_utils.h"
  54 #include "gtk/tap_dfilter_dlg.h"
  55 #include "gtk/gui_utils.h"
  56 #include "gtk/main.h"
  57
  58
  59 static void gtk_h225rassrt_init(const char *optarg, void *userdata);
  60
  61 static tap_dfilter_dlg h225_rassrt_dlg = {
  62         "H.225 RAS Service Response Time",
  63         "h225,srt",
  64         gtk_h225rassrt_init,
  65         -1
  66 };
  67
  68 /* following values represent the size of their valuestring arrays */
  69 #define NUM_RAS_STATS 7
  70
  71 static const value_string ras_message_category[] = {
  72   {  0, "Gatekeeper    "},
  73   {  1, "Registration  "},
  74   {  2, "UnRegistration"},
  75   {  3, "Admission     "},
  76   {  4, "Bandwidth     "},
  77   {  5, "Disengage     "},
  78   {  6, "Location      "},
  79   {  0, NULL }
  80 };
  81
  82 typedef enum _ras_type {
  83         RAS_REQUEST,
  84         RAS_CONFIRM,
  85         RAS_REJECT,
  86         RAS_OTHER
  87 }ras_type;
  88
  89 typedef enum _ras_category {
  90         RAS_GATEKEEPER,
  91         RAS_REGISTRATION,
  92         RAS_UNREGISTRATION,
  93         RAS_ADMISSION,
  94         RAS_BANDWIDTH,
  95         RAS_DISENGAGE,
  96         RAS_LOCATION,
  97         RAS_OTHERS
  98 }ras_category;
  99
 100 /* Summary of response-time calculations*/
 101 typedef struct _h225_rtd_t {
 102         guint32 open_req_num;
 103         guint32 disc_rsp_num;
 104         guint32 req_dup_num;
 105         guint32 rsp_dup_num;
 106         timestat_t stats;
 107 } h225_rtd_t;
 108
 109 /* used to keep track of the statistics for an entire program interface */
 110 typedef struct _h225rassrt_t {
 111         GtkWidget *win;
 112         GtkWidget *vbox;
 113         char *filter;
 114         GtkWidget *scrolled_window;
 115         GtkTreeView *table;
 116         h225_rtd_t ras_rtd[NUM_RAS_STATS];
 117 } h225rassrt_t;
 118
 119
 120 static void
 121 h225rassrt_reset(void *phs)
 122 {
 123         h225rassrt_t *hs=(h225rassrt_t *)phs;
 124         int i;
 125
 126         for(i=0;i<NUM_RAS_STATS;i++) {
 127                 hs->ras_rtd[i].stats.num = 0;
 128                 hs->ras_rtd[i].stats.min_num = 0;
 129                 hs->ras_rtd[i].stats.max_num = 0;
 130                 hs->ras_rtd[i].stats.min.secs = 0;
 131                 hs->ras_rtd[i].stats.min.nsecs = 0;
 132                 hs->ras_rtd[i].stats.max.secs = 0;
 133                 hs->ras_rtd[i].stats.max.nsecs = 0;
 134                 hs->ras_rtd[i].stats.tot.secs = 0;
 135                 hs->ras_rtd[i].stats.tot.nsecs = 0;
 136                 hs->ras_rtd[i].open_req_num = 0;
 137                 hs->ras_rtd[i].disc_rsp_num = 0;
 138                 hs->ras_rtd[i].req_dup_num = 0;
 139                 hs->ras_rtd[i].rsp_dup_num = 0;
 140         }
 141
 142 }
 143
 144
 145 static int
 146 h225rassrt_packet(void *phs, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *phi)
 147 {
 148         h225rassrt_t *hs=(h225rassrt_t *)phs;
 149         const h225_packet_info *pi=phi;
 150
 151         ras_type rasmsg_type = RAS_OTHER;
 152         ras_category rascategory = RAS_OTHERS;
 153
 154         if (pi->msg_type != H225_RAS || pi->msg_tag == -1) {
 155                 /* No RAS Message or uninitialized msg_tag -> return */
 156                 return 0;
 157         }
 158
 159         if (pi->msg_tag < 21) {
 160                 /* */
 161                 rascategory = pi->msg_tag / 3;
 162                 rasmsg_type = pi->msg_tag % 3;
 163         }
 164         else {
 165                 /* No SRT yet (ToDo) */
 166                 return 0;
 167         }
 168
 169         switch(rasmsg_type) {
 170
 171         case RAS_REQUEST:
 172                 if(pi->is_duplicate){
 173                         hs->ras_rtd[rascategory].req_dup_num++;
 174                 }
 175                 else {
 176                         hs->ras_rtd[rascategory].open_req_num++;
 177                 }
 178                 break;
 179
 180         case RAS_CONFIRM:
 181                 /* no break - delay stats are identical for Confirm and Reject  */
 182         case RAS_REJECT:
 183                 if(pi->is_duplicate){
 184                         /* Duplicate is ignored */
 185                         hs->ras_rtd[rascategory].rsp_dup_num++;
 186                 }
 187                 else if (!pi->request_available) {
 188                         /* no request was seen, ignore response  */
 189                         hs->ras_rtd[rascategory].disc_rsp_num++;
 190                 }
 191                 else {
 192                         hs->ras_rtd[rascategory].open_req_num--;
 193                         time_stat_update(&(hs->ras_rtd[rascategory].stats),&(pi->delta_time), pinfo);
 194                 }
 195                 break;
 196
 197         default:
 198                 return 0;
 199         }
 200         return 1;
 201 }
 202
 203 static void
 204 h225rassrt_draw(void *phs)
 205 {
 206         h225rassrt_t *hs=(h225rassrt_t *)phs;
 207         int i;
 208         char str[3][256];
 209         GtkListStore *store;
 210         GtkTreeIter iter;
 211
 212         /* Now print Message and Reason Counter Table */
 213         /* clear list before printing */
 214         store = GTK_LIST_STORE(gtk_tree_view_get_model(hs->table));
 215         gtk_list_store_clear(store);
 216
 217         for(i=0;i<NUM_RAS_STATS;i++) {
 218                 /* nothing seen, nothing to do */
 219                 if(hs->ras_rtd[i].stats.num==0){
 220                         continue;
 221                 }
 222                 g_snprintf(str[0], sizeof(char[256]),
 223                                 "%8.2f msec", nstime_to_msec(&(hs->ras_rtd[i].stats.min)));
 224                 g_snprintf(str[1], sizeof(char[256]),
 225                                 "%8.2f msec", nstime_to_msec(&(hs->ras_rtd[i].stats.max)));
 226                 g_snprintf(str[2], sizeof(char[256]),
 227                                 "%8.2f msec", get_average(&(hs->ras_rtd[i].stats.tot), hs->ras_rtd[i].stats.num));
 228
 229                 gtk_list_store_append(store, &iter);
 230                 gtk_list_store_set(store, &iter,
 231                         0, val_to_str(i,ras_message_category,"Other"),
 232                         1, hs->ras_rtd[i].stats.num,
 233                         2, str[0],
 234                         3, str[1],
 235                         4, str[2],
 236                         5, hs->ras_rtd[i].stats.min_num,
 237                         6, hs->ras_rtd[i].stats.max_num,
 238                         7, hs->ras_rtd[i].open_req_num,
 239                         8, hs->ras_rtd[i].disc_rsp_num,
 240                         9, hs->ras_rtd[i].req_dup_num,
 241                         10, hs->ras_rtd[i].rsp_dup_num,
 242                         -1);
 243         }
 244 }
 245
 246 static void
 247 win_destroy_cb(GtkWindow *win _U_, gpointer data)
 248 {
 249         h225rassrt_t *hs=(h225rassrt_t *)data;
 250
 251         protect_thread_critical_region();
 252         remove_tap_listener(hs);
 253         unprotect_thread_critical_region();
 254
 255         if(hs->filter){
 256                 g_free(hs->filter);
 257                 hs->filter=NULL;
 258         }
 259         g_free(hs);
 260 }
 261
 262
 263 static const stat_column titles[]={
 264         {G_TYPE_STRING, LEFT, "RAS-Type" },
 265         {G_TYPE_UINT, RIGHT,   "Measurements" },
 266         {G_TYPE_STRING, RIGHT, "Min RTT" },
 267         {G_TYPE_STRING, RIGHT, "Max RTT" },
 268         {G_TYPE_STRING, RIGHT, "Avg RTT" },
 269         {G_TYPE_UINT, RIGHT,  "Min in Frame" },
 270         {G_TYPE_UINT, RIGHT,  "Max in Frame" },
 271         {G_TYPE_UINT, RIGHT,  "Open Requests" },
 272         {G_TYPE_UINT, RIGHT,  "Discarded Responses" },
 273         {G_TYPE_UINT, RIGHT,  "Repeated Requests" },
 274         {G_TYPE_UINT, RIGHT,  "Repeated Responses"}
 275 };
 276
 277 static void
 278 gtk_h225rassrt_init(const char *optarg, void *userdata _U_)
 279 {
 280         h225rassrt_t *hs;
 281         GString *error_string;
 282         GtkWidget *bbox;
 283         GtkWidget *close_bt;
 284
 285         hs=g_malloc(sizeof(h225rassrt_t));
 286
 287         if(strncmp(optarg,"h225,srt,",9) == 0){
 288                 hs->filter=g_strdup(optarg+9);
 289         } else {
 290                 hs->filter=NULL;
 291         }
 292
 293         h225rassrt_reset(hs);
 294
 295         hs->win = dlg_window_new("h225-ras-srt");  /* transient_for top_level */
 296         gtk_window_set_destroy_with_parent (GTK_WINDOW(hs->win), TRUE);
 297         gtk_window_set_default_size(GTK_WINDOW(hs->win), 600, 300);
 298
 299         hs->vbox=gtk_vbox_new(FALSE, 3);
 300         gtk_container_set_border_width(GTK_CONTAINER(hs->vbox), 12);
 301
 302         init_main_stat_window(hs->win, hs->vbox, "H.225 RAS Service Response Time", hs->filter);
 303
 304         /* init a scrolled window*/
 305         hs->scrolled_window = scrolled_window_new(NULL, NULL);
 306
 307         hs->table = create_stat_table(hs->scrolled_window, hs->vbox, 11, titles);
 308
 309         error_string=register_tap_listener("h225", hs, hs->filter, 0, h225rassrt_reset, h225rassrt_packet, h225rassrt_draw);
 310         if(error_string){
 311                 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "%s", error_string->str);
 312                 g_string_free(error_string, TRUE);
 313                 g_free(hs->filter);
 314                 g_free(hs);
 315                 return;
 316         }
 317
 318         /* Button row. */
 319         bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
 320         gtk_box_pack_end(GTK_BOX(hs->vbox), bbox, FALSE, FALSE, 0);
 321
 322         close_bt = g_object_get_data(G_OBJECT(bbox), GTK_STOCK_CLOSE);
 323         window_set_cancel_button(hs->win, close_bt, window_cancel_button_cb);
 324
 325         g_signal_connect(hs->win, "delete_event", G_CALLBACK(window_delete_event_cb), NULL);
 326         g_signal_connect(hs->win, "destroy", G_CALLBACK(win_destroy_cb), hs);
 327
 328         gtk_widget_show_all(hs->win);
 329         window_present(hs->win);
 330
 331         cf_retap_packets(&cfile);
 332         gdk_window_raise(hs->win->window);
 333 }
 334
 335 void
 336 register_tap_listener_gtk_h225rassrt(void)
 337 {
 338         register_dfilter_stat(&h225_rassrt_dlg, "H.225 RAS",
 339             REGISTER_STAT_GROUP_RESPONSE_TIME);
 340 }