forked from osmocom/wireshark
f34e1a97c6
generate columns; use cf_retap_packets instead of cf_redissect_packets() when running taps (the general flow graph stat uses the Info column). svn path=/trunk/; revision=15793
286 lines
7.6 KiB
C
286 lines
7.6 KiB
C
/* bootp_stat.c
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* boop_stat 2003 Jean-Michel FAYARD
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* #define DEBUG do{ printf("%s:%d ",__FILE__,__LINE__);} while(0); */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gtk/gtk.h>
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#include <string.h>
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#include <epan/packet_info.h>
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#include <epan/epan.h>
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#include "simple_dialog.h"
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#include "gui_utils.h"
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#include "dlg_utils.h"
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#include <epan/tap.h>
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#include "../register.h"
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#include "../globals.h"
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#include "compat_macros.h"
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#include "../stat_menu.h"
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#include "../tap_dfilter_dlg.h"
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typedef const char* bootp_info_value_t;
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/* used to keep track of the statictics for an entire program interface */
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typedef struct _dhcp_stats_t {
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char *filter;
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GtkWidget *win;
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GHashTable *hash;
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GtkWidget *table_message_type;
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guint index; /* Number of to display */
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} dhcpstat_t;
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/* used to keep track of a single DHCP message type */
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typedef struct _dhcp_message_type_t {
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const char *name;
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guint32 packets;
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GtkWidget *widget;/* label in which we print the number of packets */
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dhcpstat_t *sp; /* entire program interface */
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} dhcp_message_type_t;
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static void
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dhcp_free_hash( gpointer key _U_ , gpointer value, gpointer user_data _U_ )
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{
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g_free(value);
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}
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static void
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dhcp_reset_hash(gchar *key _U_ , dhcp_message_type_t *data, gpointer ptr _U_ )
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{
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data->packets = 0;
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}
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/* Update the entry corresponding to the number of packets of a special DHCP Message Type
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* or create it if it don't exist.
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*/
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static void
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dhcp_draw_message_type(gchar *key _U_, dhcp_message_type_t *data, gchar * unused _U_ )
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{
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char string_buff[256];
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if ((data==NULL) || (data->packets==0))
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return;
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if (data->widget==NULL){ /* create an entry in the table */
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GtkWidget *tmp;
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int x = 2*((data->sp->index) % 2);
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int y = (data->sp->index) /2;
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/* Maybe we should display the hexadecimal value ? */
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/* g_snprintf(string_buff, 256, "%s (0X%x)", data->name, *key); */
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tmp = gtk_label_new( data->name /* string_buff */ );
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gtk_table_attach_defaults(GTK_TABLE(data->sp->table_message_type), tmp, x, x+1, y, y+1);
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gtk_label_set_justify(GTK_LABEL(tmp), GTK_JUSTIFY_LEFT);
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gtk_widget_show(tmp);
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g_snprintf( string_buff, 256, "%9d", data->packets );
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data->widget = gtk_label_new( string_buff );
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gtk_table_attach_defaults(GTK_TABLE(data->sp->table_message_type), data->widget, x+1, x+2, y, y+1);
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gtk_label_set_justify(GTK_LABEL(data->widget), GTK_JUSTIFY_LEFT);
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gtk_widget_show( data->widget );
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data->sp->index++;
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} else {
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/* Just update the label string */
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g_snprintf( string_buff, 256, "%9d", data->packets );
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gtk_label_set( GTK_LABEL(data->widget), string_buff);
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}
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}
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static void
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dhcpstat_reset(void *psp)
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{
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dhcpstat_t *sp=psp;
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g_hash_table_foreach( sp->hash, (GHFunc)dhcp_reset_hash, NULL);
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}
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static int
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dhcpstat_packet(void *psp, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *pri)
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{
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dhcpstat_t *sp=psp;
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const bootp_info_value_t value=pri;
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dhcp_message_type_t *sc;
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if (sp==NULL)
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return 0;
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sc = g_hash_table_lookup(
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sp->hash,
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value);
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if (!sc) {
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/*g_warning("%s:%d What's Wrong for %s, doc ?", __FILE__, __LINE__, value);*/
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sc = g_malloc( sizeof(dhcp_message_type_t) );
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sc -> packets = 1;
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sc -> name = value;
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sc -> widget=NULL;
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sc -> sp = sp;
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g_hash_table_insert(
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sp->hash,
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(gpointer) value,
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sc);
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} else {
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/*g_warning("sc(%s)->packets++", sc->name);*/
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sc->packets++;
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}
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return 1;
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}
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static void
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dhcpstat_draw(void *psp)
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{
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dhcpstat_t *sp=psp;
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guint index;
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index=sp->index;
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g_hash_table_foreach( sp->hash, (GHFunc) dhcp_draw_message_type, NULL );
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if (index != sp->index){
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/* We have inserted a new entry corresponding to a status code ,
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* let's resize the table */
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gtk_table_resize ( GTK_TABLE(sp->table_message_type), sp->index % 2 , 4);
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}
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}
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/* since the gtk2 implementation of tap is multithreaded we must protect
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* remove_tap_listener() from modifying the list while draw_tap_listener()
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* is running. the other protected block is in main.c
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*
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* there should not be any other critical regions in gtk2
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*/
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void protect_thread_critical_region(void);
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void unprotect_thread_critical_region(void);
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static void
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win_destroy_cb(GtkWindow *win _U_, gpointer data)
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{
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dhcpstat_t *sp=(dhcpstat_t *)data;
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protect_thread_critical_region();
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remove_tap_listener(sp);
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unprotect_thread_critical_region();
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g_free(sp->filter);
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g_hash_table_foreach( sp->hash, (GHFunc)dhcp_free_hash, NULL);
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g_hash_table_destroy( sp->hash);
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g_free(sp);
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}
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/* When called, this function will create a new instance of gtk2-dhcpstat.
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*/
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static void
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dhcpstat_init(const char *optarg)
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{
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dhcpstat_t *sp;
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const char *filter=NULL;
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char *title=NULL;
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GString *error_string;
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GtkWidget *message_type_fr;
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GtkWidget *vbox;
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GtkWidget *bt_close;
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GtkWidget *bbox;
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if (strncmp (optarg, "bootp,stat,", 11) == 0){
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filter=optarg+11;
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} else {
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filter=NULL;
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}
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sp = g_malloc( sizeof(dhcpstat_t) );
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sp->hash = g_hash_table_new( g_str_hash, g_str_equal);
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if(filter){
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sp->filter=g_strdup(filter);
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title=g_strdup_printf("DHCP statistics with filter: %s", filter);
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} else {
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sp->filter=NULL;
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title=g_strdup("DHCP statistics");
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}
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/* top level window */
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sp->win = window_new(GTK_WINDOW_TOPLEVEL, title);
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g_free(title);
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vbox = gtk_vbox_new(FALSE, 3);
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gtk_container_add(GTK_CONTAINER(sp->win), vbox);
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gtk_container_set_border_width(GTK_CONTAINER(vbox), 12);
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/* Status Codes frame */
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message_type_fr = gtk_frame_new("DHCP Message Type");
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gtk_container_add(GTK_CONTAINER(vbox), message_type_fr);
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gtk_widget_show(message_type_fr);
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sp->table_message_type = gtk_table_new( 0, 4, FALSE);
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gtk_table_set_col_spacings( GTK_TABLE(sp->table_message_type), 10);
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gtk_container_add( GTK_CONTAINER( message_type_fr), sp->table_message_type);
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gtk_container_set_border_width( GTK_CONTAINER(sp->table_message_type) , 10);
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sp->index = 0; /* Nothing to display yet */
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error_string = register_tap_listener(
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"bootp",
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sp,
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filter,
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dhcpstat_reset,
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dhcpstat_packet,
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dhcpstat_draw);
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if (error_string){
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/* error, we failed to attach to the tap. clean up */
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simple_dialog( ESD_TYPE_ERROR, ESD_BTN_OK, error_string->str );
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g_free(sp->filter);
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g_free(sp);
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g_string_free(error_string, TRUE);
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return ;
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}
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/* Button row. */
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bbox = dlg_button_row_new(GTK_STOCK_CLOSE, NULL);
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gtk_box_pack_start(GTK_BOX(vbox), bbox, FALSE, FALSE, 0);
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bt_close = OBJECT_GET_DATA(bbox, GTK_STOCK_CLOSE);
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window_set_cancel_button(sp->win, bt_close, window_cancel_button_cb);
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SIGNAL_CONNECT(sp->win, "delete_event", window_delete_event_cb, NULL);
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SIGNAL_CONNECT(sp->win, "destroy", win_destroy_cb, sp);
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gtk_widget_show_all(sp->win);
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window_present(sp->win);
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cf_retap_packets(&cfile, FALSE);
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}
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static tap_dfilter_dlg dhcp_stat_dlg = {
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"BOOTP-DHCP Packet Counter",
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"bootp,stat",
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dhcpstat_init,
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-1
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};
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void
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register_tap_listener_gtkdhcpstat(void)
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{
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register_dfilter_stat(&dhcp_stat_dlg, "BOOTP-DHCP",
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REGISTER_STAT_GROUP_NONE);
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}
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