gtk/flow_graph.c

   1 /* flow_graph.c
   2  * $Id$
   3  * Allows to display a flow graph of the currently displayed packets
   4  *
   5  * Copyright 2004, Ericsson , Spain
   6  * By Francisco Alcoba <francisco.alcoba@ericsson.com>
   7  *
   8  * Wireshark - Network traffic analyzer
   9  * By Gerald Combs <gerald@wireshark.org>
  10  * Copyright 1998 Gerald Combs
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation,  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  25  */
  26
  27 #ifdef HAVE_CONFIG_H
  28 #  include <config.h>
  29 #endif
  30
  31 #include "register.h"
  32
  33 #include "globals.h"
  34 #include "epan/filesystem.h"
  35
  36 #include "graph_analysis.h"
  37 #include <epan/stat_cmd_args.h>
  38 #include "../stat_menu.h"
  39 #include "gui_stat_menu.h"
  40 #include "dlg_utils.h"
  41 #include "gui_utils.h"
  42 #include "compat_macros.h"
  43 #include "gtkglobals.h"
  44
  45 #include "simple_dialog.h"
  46
  47 #include <epan/to_str.h>
  48 #include <epan/tap.h>
  49 #include <epan/emem.h>
  50 #include <epan/dissectors/packet-tcp.h>
  51
  52 #include <string.h>
  53 #include <epan/strutil.h>
  54
  55 #define DISPLAYED 0
  56 #define ALL 1
  57 #define GENERAL 0
  58 #define TCP 1
  59 #define SRCDST 0
  60 #define NET_SRCDST 1
  61
  62 static int type_of_packets = DISPLAYED;
  63 static int type_of_flow = GENERAL;
  64 static int node_addr_type = SRCDST;
  65
  66 static int tap_identifier;
  67 static gboolean have_frame_tap_listener=FALSE;
  68 static gboolean have_tcp_tap_listener=FALSE;
  69 static graph_analysis_info_t *graph_analysis = NULL;
  70 static graph_analysis_data_t *graph_analysis_data;
  71
  72 static GtkWidget *flow_graph_dlg = NULL;
  73
  74 static GtkWidget *select_all_rb;
  75 static GtkWidget *select_displayed_rb;
  76 static GtkWidget *select_general_rb;
  77 static GtkWidget *select_tcp_rb;
  78 static GtkWidget *src_dst_rb;
  79 static GtkWidget *net_src_dst_rb;
  80
  81 void flow_graph_data_init(void);
  82
  83
  84 /****************************************************************************/
  85 /* free up memory and initialize the pointers */
  86
  87 static void flow_graph_reset(void *ptr _U_)
  88 {
  89
  90         graph_analysis_item_t *graph_item;
  91
  92         GList* list;
  93
  94         if (graph_analysis !=NULL){
  95
  96                 /* free the graph data items */
  97                 list = g_list_first(graph_analysis->list);
  98                 while (list)
  99                 {
 100                         graph_item = list->data;
 101                         g_free(graph_item->frame_label);
 102                         g_free(graph_item->comment);
 103                         g_free(list->data);
 104                         list = g_list_next(list);
 105                 }
 106                 g_list_free(graph_analysis->list);
 107                 graph_analysis->nconv = 0;
 108                 graph_analysis->list = NULL;
 109         }
 110         return;
 111 }
 112
 113 /****************************************************************************/
 114 void flow_graph_data_init(void) {
 115         graph_analysis = g_malloc(sizeof(graph_analysis_info_t));
 116         graph_analysis->nconv = 0;
 117         graph_analysis->list = NULL;
 118         return;
 119 }
 120
 121 /* XXX just copied from gtk/rpc_stat.c */
 122 void protect_thread_critical_region(void);
 123 void unprotect_thread_critical_region(void);
 124
 125 /****************************************************************************/
 126 static void
 127 remove_tap_listener_flow_graph(void)
 128 {
 129         protect_thread_critical_region();
 130         remove_tap_listener(&(tap_identifier));
 131         unprotect_thread_critical_region();
 132
 133         have_frame_tap_listener=FALSE;
 134         have_tcp_tap_listener=FALSE;
 135 }
 136
 137
 138 /****************************************************************************/
 139 /* CALLBACKS                                                                */
 140 /****************************************************************************/
 141 static void
 142 flow_graph_on_destroy(GtkObject *object _U_, gpointer user_data _U_)
 143 {
 144         /* remove_tap_listeners */
 145         remove_tap_listener_flow_graph();
 146
 147         /* Clean up memory used by tap */
 148         flow_graph_reset(NULL);
 149
 150         /* Note that we no longer have a "Flow Graph" dialog box. */
 151         flow_graph_dlg = NULL;
 152 }
 153
 154
 155 /****************************************************************************/
 156 static void
 157 toggle_select_all(GtkWidget *widget _U_, gpointer user_data _U_)
 158 {
 159   /* is the button now active? */
 160         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(select_all_rb))) {
 161                 type_of_packets = ALL;
 162         }
 163 }
 164
 165 /****************************************************************************/
 166 static void
 167 toggle_select_displayed(GtkWidget *widget _U_, gpointer user_data _U_)
 168 {
 169   /* is the button now active? */
 170         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(select_displayed_rb))) {
 171                 type_of_packets = DISPLAYED;
 172         }
 173 }
 174
 175 /****************************************************************************/
 176 static void
 177 toggle_select_general(GtkWidget *widget _U_, gpointer user_data _U_)
 178 {
 179   /* is the button now active? */
 180         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(select_general_rb))) {
 181                 type_of_flow = GENERAL;
 182         }
 183 }
 184
 185 /****************************************************************************/
 186 static void
 187 toggle_select_tcp(GtkWidget *widget _U_, gpointer user_data _U_)
 188 {
 189   /* is the button now active? */
 190         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(select_tcp_rb))) {
 191                 type_of_flow = TCP;
 192         }
 193 }
 194
 195 /****************************************************************************/
 196 static void
 197 toggle_select_srcdst(GtkWidget *widget _U_, gpointer user_data _U_)
 198 {
 199   /* is the button now active? */
 200         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(src_dst_rb))) {
 201                 node_addr_type = SRCDST;
 202         }
 203 }
 204
 205 /****************************************************************************/
 206 static void
 207 toggle_select_netsrcdst(GtkWidget *widget _U_, gpointer user_data _U_)
 208 {
 209   /* is the button now active? */
 210         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(net_src_dst_rb))) {
 211                 node_addr_type = NET_SRCDST;
 212         }
 213 }
 214
 215 /****************************************************************************/
 216 /* Add a new frame into the graph */
 217 static int flow_graph_frame_add_to_graph(packet_info *pinfo)
 218 {
 219         graph_analysis_item_t *gai;
 220         int i;
 221         gchar *protocol;
 222         gchar *colinfo;
 223
 224         protocol=NULL;
 225         colinfo=NULL;
 226
 227         if (node_addr_type == NET_SRCDST) {
 228                 if (pinfo->net_src.type!=AT_NONE && pinfo->net_dst.type!=AT_NONE) {
 229                         gai = g_malloc(sizeof(graph_analysis_item_t));
 230                         COPY_ADDRESS(&(gai->src_addr),&(pinfo->net_src));
 231                         COPY_ADDRESS(&(gai->dst_addr),&(pinfo->net_dst));
 232                 }
 233                 else return 0;
 234
 235         } else {
 236                 if (pinfo->src.type!=AT_NONE && pinfo->dst.type!=AT_NONE) {
 237                         gai = g_malloc(sizeof(graph_analysis_item_t));
 238                         COPY_ADDRESS(&(gai->src_addr),&(pinfo->src));
 239                         COPY_ADDRESS(&(gai->dst_addr),&(pinfo->dst));
 240                 }
 241                 else return 0;
 242         }
 243
 244         gai->frame_num = pinfo->fd->num;
 245         gai->time= nstime_to_sec(&pinfo->fd->rel_ts);
 246
 247         gai->port_src=pinfo->srcport;
 248         gai->port_dst=pinfo->destport;
 249         gai->comment=NULL;
 250         gai->frame_label=NULL;
 251
 252         if (gai->comment!=NULL){
 253                 g_free(gai->comment);
 254         }
 255         if (gai->frame_label!=NULL){
 256                 g_free(gai->frame_label);
 257         }
 258
 259
 260         if(pinfo->cinfo) {
 261                 if (pinfo->cinfo->col_first[COL_INFO]>=0){
 262
 263                         for (i = pinfo->cinfo->col_first[COL_INFO]; i <= pinfo->cinfo->col_last[COL_INFO]; i++) {
 264                                 if (pinfo->cinfo->fmt_matx[i][COL_INFO]) {
 265                                         colinfo = g_strdup(pinfo->cinfo->col_data[i]);
 266                                 }
 267                         }
 268                 }
 269
 270                 if (pinfo->cinfo->col_first[COL_PROTOCOL]>=0){
 271
 272                         for (i = pinfo->cinfo->col_first[COL_PROTOCOL]; i <= pinfo->cinfo->col_last[COL_PROTOCOL]; i++) {
 273                                 if (pinfo->cinfo->fmt_matx[i][COL_PROTOCOL]) {
 274                                         protocol = g_strdup(pinfo->cinfo->col_data[i]);
 275
 276                                 }
 277                         }
 278                 }
 279         }
 280
 281         if (colinfo != NULL) {
 282                 if (protocol != NULL) {
 283                         gai->frame_label = g_strdup_printf("%.19s", colinfo);
 284                         gai->comment = g_strdup_printf("%s: %s", protocol, colinfo);
 285                 } else {
 286                         gai->frame_label = g_strdup_printf("%.19s", colinfo);
 287                         gai->comment = g_strdup_printf("%s", colinfo);
 288                 }
 289         } else {
 290                 /* This will probably never happen...*/
 291                 if (protocol != NULL) {
 292                         gai->frame_label = g_strdup_printf("%.19s", protocol);
 293                         gai->comment = g_strdup_printf("%s", protocol);
 294                 } else {
 295                         gai->frame_label = NULL;
 296                         gai->comment = NULL;
 297                 }
 298         }
 299
 300         if (protocol!=NULL){
 301                 g_free(protocol);
 302         }
 303         if (colinfo!=NULL){
 304                 g_free(colinfo);
 305         }
 306
 307         gai->line_style=1;
 308         gai->conv_num=0;
 309         gai->display=TRUE;
 310
 311         graph_analysis->list = g_list_append(graph_analysis->list, gai);
 312
 313         return 1;
 314
 315 }
 316
 317 /****************************************************************************/
 318 /* Add a new tcp frame into the graph */
 319 static int flow_graph_tcp_add_to_graph(packet_info *pinfo, const struct tcpheader *tcph)
 320 {
 321   graph_analysis_item_t *gai;
 322   /* copied from packet-tcp */
 323   const gchar *fstr[] = {"FIN", "SYN", "RST", "PSH", "ACK", "URG", "ECN", "CWR" };
 324   guint i, bpos;
 325   gboolean flags_found = FALSE;
 326   gchar flags[64];
 327
 328   gai = g_malloc(sizeof(graph_analysis_item_t));
 329   gai->frame_num = pinfo->fd->num;
 330   gai->time= nstime_to_sec(&pinfo->fd->rel_ts);
 331   if (node_addr_type == NET_SRCDST) {
 332     COPY_ADDRESS(&(gai->src_addr),&(pinfo->net_src));
 333     COPY_ADDRESS(&(gai->dst_addr),&(pinfo->net_dst));
 334   } else {
 335     COPY_ADDRESS(&(gai->src_addr),&(pinfo->src));
 336     COPY_ADDRESS(&(gai->dst_addr),&(pinfo->dst));
 337   }
 338   gai->port_src=pinfo->srcport;
 339   gai->port_dst=pinfo->destport;
 340
 341   flags[0] = '\0';
 342   for (i = 0; i < 8; i++) {
 343     bpos = 1 << i;
 344     if (tcph->th_flags & bpos) {
 345       if (flags_found) {
 346         g_strlcat(flags, ", ", 64);
 347       }
 348       g_strlcat(flags, fstr[i], 64);
 349       flags_found = TRUE;
 350     }
 351   }
 352   if (flags[0] == '\0') {
 353     g_snprintf (flags, 64, "<None>");
 354   }
 355
 356   if ((tcph->th_have_seglen)&&(tcph->th_seglen!=0)){
 357     gai->frame_label = g_strdup_printf("%s - Len: %u",flags, tcph->th_seglen);
 358   }
 359   else{
 360     gai->frame_label = g_strdup(flags);
 361   }
 362
 363   gai->comment = g_strdup_printf("Seq = %u Ack = %u",tcph->th_seq, tcph->th_ack);
 364
 365   gai->line_style=1;
 366   gai->conv_num=0;
 367   gai->display=TRUE;
 368
 369   graph_analysis->list = g_list_append(graph_analysis->list, gai);
 370
 371   return 1;
 372
 373 }
 374
 375
 376
 377 /****************************************************************************/
 378 /* whenever a frame packet is seen by the tap listener */
 379 static int
 380 flow_graph_frame_packet( void *ptr _U_, packet_info *pinfo, epan_dissect_t *edt _U_, const void *dummy _U_)
 381 {
 382
 383         if ((type_of_packets == ALL)||(pinfo->fd->flags.passed_dfilter==1)){
 384                 flow_graph_frame_add_to_graph(pinfo);
 385         }
 386
 387         return 1;
 388 }
 389
 390 /****************************************************************************/
 391 /* whenever a TCP packet is seen by the tap listener */
 392 static int
 393 flow_graph_tcp_packet( void *ptr _U_, packet_info *pinfo, epan_dissect_t *edt _U_, const void *tcp_info)
 394 {
 395         const struct tcpheader *tcph = tcp_info;
 396
 397         if ((type_of_packets == ALL)||(pinfo->fd->flags.passed_dfilter==1)){
 398                 flow_graph_tcp_add_to_graph(pinfo,tcph);
 399         }
 400
 401         return 1;
 402 }
 403
 404
 405 static void flow_graph_packet_draw(void *prs _U_)
 406 {
 407         return;
 408 }
 409
 410 /****************************************************************************/
 411 static void
 412 flow_graph_on_ok                    (GtkButton       *button _U_,
 413                                         gpointer         user_data)
 414 {
 415
 416         if ((have_frame_tap_listener==TRUE)
 417                 ||(have_tcp_tap_listener==TRUE))
 418         {
 419                 /* remove_tap_listeners */
 420                 remove_tap_listener_flow_graph();
 421         }
 422
 423         /* Scan for displayed packets (retap all packets) */
 424
 425         if (type_of_flow == GENERAL){
 426                 /* Register the tap listener */
 427
 428                 if(have_frame_tap_listener==FALSE)
 429                 {
 430                         /* don't register tap listener, if we have it already */
 431                         register_tap_listener("frame", &tap_identifier, NULL,
 432                                 flow_graph_reset,
 433                                 flow_graph_frame_packet,
 434                                 flow_graph_packet_draw
 435                                 );
 436                         have_frame_tap_listener=TRUE;
 437                 }
 438
 439                 cf_retap_packets(&cfile, TRUE);
 440         }
 441         else if (type_of_flow == TCP){
 442         /* Register the tap listener */
 443
 444                 if(have_tcp_tap_listener==FALSE)
 445                 {
 446                         /* don't register tap listener, if we have it already */
 447                         register_tap_listener("tcp", &tap_identifier, NULL,
 448                                 flow_graph_reset,
 449                                 flow_graph_tcp_packet,
 450                                 flow_graph_packet_draw
 451                                 );
 452                         have_tcp_tap_listener=TRUE;
 453                 }
 454
 455                 cf_retap_packets(&cfile, FALSE);
 456         }
 457
 458         if (graph_analysis_data->dlg.window != NULL){ /* if we still have a window */
 459                 graph_analysis_update(graph_analysis_data);             /* refresh it xxx */
 460         }
 461         else{
 462                 graph_analysis_data->dlg.parent_w = user_data;
 463                 graph_analysis_create(graph_analysis_data);
 464         }
 465
 466 }
 467
 468
 469 /****************************************************************************/
 470 /* INTERFACE                                                                */
 471 /****************************************************************************/
 472
 473 static void flow_graph_dlg_create (void)
 474 {
 475
 476         GtkWidget *flow_graph_dlg_w;
 477         GtkWidget *main_vb;
 478         GtkWidget *hbuttonbox;
 479         GtkWidget *bt_close, *bt_ok;
 480 #if 0
 481         GtkWidget *top_label = NULL;
 482 #endif
 483         GtkWidget *flow_type_fr, *range_fr, *range_tb, *flow_type_tb, *node_addr_fr, *node_addr_tb;
 484
 485
 486         GtkTooltips *tooltips = gtk_tooltips_new();
 487
 488         flow_graph_dlg_w=window_new(GTK_WINDOW_TOPLEVEL, "Wireshark: Flow Graph");
 489
 490         gtk_window_set_default_size(GTK_WINDOW(flow_graph_dlg_w), 350, 150);
 491
 492         main_vb = gtk_vbox_new (FALSE, 0);
 493         gtk_container_add(GTK_CONTAINER(flow_graph_dlg_w), main_vb);
 494         gtk_container_set_border_width (GTK_CONTAINER (main_vb), 12);
 495
 496 #if 0
 497         top_label = gtk_label_new ("Choose packets to include in the graph");
 498         gtk_box_pack_start (GTK_BOX (main_vb), top_label, FALSE, FALSE, 8);
 499 #endif
 500
 501         gtk_widget_show(flow_graph_dlg_w);
 502
 503         /*** Packet range frame ***/
 504         range_fr = gtk_frame_new("Choose packets");
 505         gtk_box_pack_start(GTK_BOX(main_vb), range_fr, FALSE, FALSE, 0);
 506
 507     range_tb = gtk_table_new(4, 4, FALSE);
 508     gtk_container_border_width(GTK_CONTAINER(range_tb), 5);
 509         gtk_container_add(GTK_CONTAINER(range_fr), range_tb);
 510
 511         /* Process all packets */
 512         select_all_rb = RADIO_BUTTON_NEW_WITH_MNEMONIC(NULL, "_All packets", accel_group);
 513         gtk_tooltips_set_tip (tooltips, select_all_rb,
 514                 ("Process all packets"), NULL);
 515         SIGNAL_CONNECT(select_all_rb, "toggled", toggle_select_all, NULL);
 516         gtk_table_attach_defaults(GTK_TABLE(range_tb), select_all_rb, 0, 1, 0, 1);
 517         if (type_of_packets == ALL) {
 518                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(select_all_rb),TRUE);
 519         }
 520         gtk_widget_show(select_all_rb);
 521
 522         /* Process displayed packets */
 523         select_displayed_rb = RADIO_BUTTON_NEW_WITH_MNEMONIC(select_all_rb, "_Displayed packets", accel_group);
 524         gtk_tooltips_set_tip (tooltips, select_displayed_rb,
 525                 ("Process displayed packets"), NULL);
 526         SIGNAL_CONNECT(select_displayed_rb, "toggled", toggle_select_displayed, NULL);
 527         gtk_table_attach_defaults(GTK_TABLE(range_tb), select_displayed_rb, 1, 2, 0, 1);
 528         if (type_of_packets == DISPLAYED) {
 529                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(select_displayed_rb),TRUE);
 530         }
 531         gtk_widget_show(select_displayed_rb);
 532
 533         gtk_widget_show(range_tb);
 534
 535         gtk_widget_show(range_fr);
 536
 537         /*** Flow type frame ***/
 538         flow_type_fr = gtk_frame_new("Choose flow type");
 539         gtk_box_pack_start(GTK_BOX(main_vb), flow_type_fr, FALSE, FALSE, 0);
 540
 541     flow_type_tb = gtk_table_new(4, 4, FALSE);
 542     gtk_container_border_width(GTK_CONTAINER(flow_type_tb), 5);
 543         gtk_container_add(GTK_CONTAINER(flow_type_fr), flow_type_tb);
 544
 545         /* General information */
 546         select_general_rb = RADIO_BUTTON_NEW_WITH_MNEMONIC(NULL, "_General flow", accel_group);
 547         gtk_tooltips_set_tip (tooltips, select_general_rb,
 548                 ("Show all packets, with general information"), NULL);
 549         SIGNAL_CONNECT(select_general_rb, "toggled", toggle_select_general, NULL);
 550         gtk_table_attach_defaults(GTK_TABLE(flow_type_tb), select_general_rb, 0, 1, 0, 1);
 551         if (type_of_flow == GENERAL) {
 552                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(select_general_rb),TRUE);
 553         }
 554         gtk_widget_show(select_general_rb);
 555
 556         /* TCP specific information */
 557         select_tcp_rb = RADIO_BUTTON_NEW_WITH_MNEMONIC(select_general_rb, "_TCP flow", accel_group);
 558         gtk_tooltips_set_tip (tooltips, select_tcp_rb,
 559                 ("Show only TCP packets, with TCP specific information"), NULL);
 560         SIGNAL_CONNECT(select_tcp_rb, "toggled", toggle_select_tcp, NULL);
 561         gtk_table_attach_defaults(GTK_TABLE(flow_type_tb), select_tcp_rb, 1, 2, 0, 1);
 562         if (type_of_flow == TCP) {
 563                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(select_tcp_rb),TRUE);
 564         }
 565
 566         gtk_widget_show(select_tcp_rb);
 567
 568         gtk_widget_show(flow_type_tb);
 569         gtk_widget_show(flow_type_fr);
 570
 571         /*** Node address type frame ***/
 572         node_addr_fr = gtk_frame_new("Choose node address type");
 573         gtk_box_pack_start(GTK_BOX(main_vb), node_addr_fr, FALSE, FALSE, 0);
 574
 575     node_addr_tb = gtk_table_new(4, 4, FALSE);
 576     gtk_container_border_width(GTK_CONTAINER(node_addr_tb), 5);
 577         gtk_container_add(GTK_CONTAINER(node_addr_fr), node_addr_tb);
 578
 579         /* Source / Dest address */
 580         src_dst_rb = RADIO_BUTTON_NEW_WITH_MNEMONIC(NULL, "_Standard source/destination addresses", accel_group);
 581         gtk_tooltips_set_tip (tooltips, src_dst_rb,
 582                 ("Nodes in the diagram are identified with source and destination addresses"), NULL);
 583         SIGNAL_CONNECT(src_dst_rb, "toggled", toggle_select_srcdst, NULL);
 584         gtk_table_attach_defaults(GTK_TABLE(node_addr_tb), src_dst_rb, 0, 1, 0, 1);
 585         if (node_addr_type == SRCDST) {
 586                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(src_dst_rb),TRUE);
 587         }
 588         gtk_widget_show(src_dst_rb);
 589
 590         /* Network source / dest address */
 591         net_src_dst_rb = RADIO_BUTTON_NEW_WITH_MNEMONIC(src_dst_rb, "_Network source/destination addresses", accel_group);
 592         gtk_tooltips_set_tip (tooltips, net_src_dst_rb,
 593                 ("Nodes in the diagram are identified with network source and destination addresses"), NULL);
 594         SIGNAL_CONNECT(net_src_dst_rb, "toggled", toggle_select_netsrcdst, NULL);
 595         gtk_table_attach_defaults(GTK_TABLE(node_addr_tb), net_src_dst_rb, 1, 2, 0, 1);
 596         if (node_addr_type == NET_SRCDST) {
 597                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(net_src_dst_rb),TRUE);
 598         }
 599
 600         gtk_widget_show(net_src_dst_rb);
 601
 602         gtk_widget_show(node_addr_tb);
 603         gtk_widget_show(node_addr_fr);
 604
 605         /* button row */
 606         hbuttonbox = gtk_hbutton_box_new ();
 607         gtk_box_pack_start (GTK_BOX (main_vb), hbuttonbox, FALSE, FALSE, 0);
 608         gtk_button_box_set_layout (GTK_BUTTON_BOX (hbuttonbox), GTK_BUTTONBOX_SPREAD);
 609         gtk_button_box_set_spacing (GTK_BUTTON_BOX (hbuttonbox), 30);
 610
 611         bt_ok = gtk_button_new_from_stock(GTK_STOCK_OK);
 612         gtk_container_add(GTK_CONTAINER(hbuttonbox), bt_ok);
 613         gtk_tooltips_set_tip (tooltips, bt_ok, "Show the flow graph", NULL);
 614         SIGNAL_CONNECT(bt_ok, "clicked", flow_graph_on_ok, flow_graph_dlg_w);
 615         gtk_widget_show(bt_ok);
 616
 617         bt_close = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 618         gtk_container_add (GTK_CONTAINER (hbuttonbox), bt_close);
 619         GTK_WIDGET_SET_FLAGS(bt_close, GTK_CAN_DEFAULT);
 620         gtk_tooltips_set_tip (tooltips, bt_close, "Close this dialog", NULL);
 621         window_set_cancel_button(flow_graph_dlg_w, bt_close, window_cancel_button_cb);
 622
 623         SIGNAL_CONNECT(flow_graph_dlg_w, "delete_event", window_delete_event_cb, NULL);
 624         SIGNAL_CONNECT(flow_graph_dlg_w, "destroy", flow_graph_on_destroy, NULL);
 625
 626         gtk_widget_show_all(flow_graph_dlg_w);
 627         window_present(flow_graph_dlg_w);
 628
 629         flow_graph_dlg = flow_graph_dlg_w;
 630 }
 631
 632 /****************************************************************************/
 633 /* PUBLIC                                                                   */
 634 /****************************************************************************/
 635
 636 /* init function for tap */
 637 static void
 638 flow_graph_init_tap(const char *dummy _U_, void* userdata _U_)
 639 {
 640
 641         /* initialize graph items store */
 642         flow_graph_data_init();
 643
 644         /* init the Graph Analysys */
 645         graph_analysis_data = graph_analysis_init();
 646         graph_analysis_data->graph_info = graph_analysis;
 647
 648         /* create dialog box if necessary */
 649         if (flow_graph_dlg == NULL) {
 650                 flow_graph_dlg_create();
 651         } else {
 652                 /* There's already a dialog box; reactivate it. */
 653                 reactivate_window(flow_graph_dlg);
 654         }
 655
 656 }
 657
 658
 659 /****************************************************************************/
 660 /* entry point when called via the GTK menu */
 661 static void flow_graph_launch(GtkWidget *w _U_, gpointer data _U_)
 662 {
 663         flow_graph_init_tap("",NULL);
 664 }
 665
 666 /****************************************************************************/
 667 void
 668 register_tap_listener_flow_graph(void)
 669 {
 670         register_stat_cmd_arg("flow_graph",flow_graph_init_tap,NULL);
 671         register_stat_menu_item("Flo_w Graph...", REGISTER_STAT_GROUP_NONE,
 672             flow_graph_launch, NULL, NULL, NULL);
 673
 674 }
 675