336 lines
8.8 KiB
C
336 lines
8.8 KiB
C
/* bootp_stat.c
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* boop_stat 2003 Jean-Michel FAYARD
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*
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* $Id: bootp_stat.c,v 1.2 2003/09/17 19:39:31 guy Exp $
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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 "menu.h"
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#include "epan/packet_info.h"
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#include "simple_dialog.h"
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#include "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 <string.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 GtkWidget *dlg=NULL, *dlg_box;
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static GtkWidget *filter_box;
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static GtkWidget *filter_label, *filter_entry;
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static GtkWidget *start_button;
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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 * string_buff )
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{
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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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/* sprintf(string_buff, "%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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sprintf( string_buff, "%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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sprintf( string_buff, "%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_, void *pri)
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{
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dhcpstat_t *sp=psp;
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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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char str[256];
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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, str );
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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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gtk_dhcpstat_init(char *optarg)
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{
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dhcpstat_t *sp;
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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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if (!strncmp (optarg, "bootp,stat,", 11)){
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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_malloc(strlen(filter)+1);
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strcpy(sp->filter,filter);
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title=g_strdup_printf("DHCP Stats with filter: %s", filter);
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} else {
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sp->filter=NULL;
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title=g_strdup("DHCP Stats");
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}
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sp->win = gtk_window_new( GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title( GTK_WINDOW(sp->win), title );
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g_free(title);
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SIGNAL_CONNECT( sp->win, "destroy", win_destroy_cb, sp);
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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(sp->win), 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_WARN, NULL, 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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if (dlg){
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gtk_widget_destroy( dlg );
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}
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gtk_widget_show_all( sp->win );
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redissect_packets(&cfile);
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}
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static void
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dhcp_start_button_clicked(GtkWidget *item _U_, gpointer data _U_)
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{
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char *filter;
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char str[256];
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filter=(char *)gtk_entry_get_text(GTK_ENTRY(filter_entry));
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if(filter[0]==0){
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gtk_dhcpstat_init("dhcp,stat,");
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} else {
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sprintf(str, "dhcp,stat,%s", filter);
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gtk_dhcpstat_init(str);
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}
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}
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static void
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dlg_destroy_cb(void)
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{
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dlg=NULL;
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}
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static void
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gtk_dhcpstat_cb(GtkWidget *w _U_, gpointer d _U_)
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{
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/* if the window is already open, bring it to front */
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if(dlg){
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gdk_window_raise(dlg->window);
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return;
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}
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dlg=gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title(GTK_WINDOW(dlg), "WSP Statistics");
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SIGNAL_CONNECT(dlg, "destroy", dlg_destroy_cb, NULL);
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dlg_box=gtk_vbox_new(FALSE, 0);
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gtk_container_add(GTK_CONTAINER(dlg), dlg_box);
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gtk_widget_show(dlg_box);
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/* filter box */
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filter_box=gtk_hbox_new(FALSE, 10);
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/* Filter label */
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gtk_container_set_border_width(GTK_CONTAINER(filter_box), 10);
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filter_label=gtk_label_new("Filter:");
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gtk_box_pack_start(GTK_BOX(filter_box), filter_label, FALSE, FALSE, 0);
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gtk_widget_show(filter_label);
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filter_entry=gtk_entry_new_with_max_length(250);
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gtk_box_pack_start(GTK_BOX(filter_box), filter_entry, FALSE, FALSE, 0);
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gtk_widget_show(filter_entry);
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gtk_box_pack_start(GTK_BOX(dlg_box), filter_box, TRUE, TRUE, 0);
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gtk_widget_show(filter_box);
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/* the start button */
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start_button=gtk_button_new_with_label("Create Stat");
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SIGNAL_CONNECT_OBJECT(start_button, "clicked",
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dhcp_start_button_clicked, NULL);
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gtk_box_pack_start(GTK_BOX(dlg_box), start_button, TRUE, TRUE, 0);
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gtk_widget_show(start_button);
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gtk_widget_show_all(dlg);
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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_ethereal_tap("bootp,stat,", gtk_dhcpstat_init);
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}
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void
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register_tap_menu_gtkdhcpstat(void)
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{
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register_tap_menu_item("Statistics/Watch protocol/BOOTP-DHCP", gtk_dhcpstat_cb);
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}
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