From 75ae0e30c7ff9e539a80562a431e1cd2719e78a1 Mon Sep 17 00:00:00 2001 From: Guy Harris Date: Tue, 2 Sep 2003 22:47:59 +0000 Subject: From Jean-Michel Fayard: BOOTP/DHCP, HTTP, and WSP statistics taps. svn path=/trunk/; revision=8345 --- tap-bootpstat.c | 186 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 186 insertions(+) create mode 100644 tap-bootpstat.c (limited to 'tap-bootpstat.c') diff --git a/tap-bootpstat.c b/tap-bootpstat.c new file mode 100644 index 0000000000..effb401156 --- /dev/null +++ b/tap-bootpstat.c @@ -0,0 +1,186 @@ +/* tap-bootpstat.c + * boop_stat 2003 Jean-Michel FAYARD + * + * $Id: tap-bootpstat.c,v 1.1 2003/09/02 22:47:58 guy Exp $ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include + +#include "epan/packet_info.h" +#include "tap.h" +#include "register.h" +#include + + +typedef const char* bootp_info_value_t; + +/* used to keep track of the statictics for an entire program interface */ +typedef struct _dhcp_stats_t { + char *filter; + GHashTable *hash; + guint index; /* Number of to display */ +} dhcpstat_t; +/* used to keep track of a single DHCP message type */ +typedef struct _dhcp_message_type_t { + const char *name; + guint32 packets; + dhcpstat_t *sp; /* entire program interface */ +} dhcp_message_type_t; + + +/* Not used anywhere at this moment */ +/* +static void +dhcp_free_hash( gpointer key _U_ , gpointer value, gpointer user_data _U_ ) +{ + g_free(value); +} +*/ + +static void +dhcp_reset_hash(gchar *key _U_ , dhcp_message_type_t *data, gpointer ptr _U_ ) +{ + data->packets = 0; +} + +/* Update the entry corresponding to the number of packets of a special DHCP Message Type + * or create it if it don't exist. + */ +static void +dhcp_draw_message_type(gchar *key _U_, dhcp_message_type_t *data, gchar * format ) +{ + if ((data==NULL) || (data->packets==0)) + return; + printf( format, data->name, data->packets); +} +static void +dhcpstat_reset(void *psp) +{ + dhcpstat_t *sp=psp; + g_hash_table_foreach( sp->hash, (GHFunc)dhcp_reset_hash, NULL); +} +static int +dhcpstat_packet(void *psp, packet_info *pinfo _U_, epan_dissect_t *edt _U_, void *pri) +{ + dhcpstat_t *sp=psp; + bootp_info_value_t value=pri; + dhcp_message_type_t *sc; + + if (sp==NULL) + return 0; + sc = g_hash_table_lookup( + sp->hash, + value); + if (!sc) { + sc = g_malloc( sizeof(dhcp_message_type_t) ); + sc -> packets = 1; + sc -> name = value; + sc -> sp = sp; + g_hash_table_insert( + sp->hash, + (gpointer) value, + sc); + } else { + /*g_warning("sc(%s)->packets++", sc->name);*/ + sc->packets++; + } + return 1; +} + + +static void +dhcpstat_draw(void *psp) +{ + dhcpstat_t *sp=psp; + + printf("\n"); + printf("===================================================================\n"); + + if (sp->filter==NULL) + printf("BOOTP Statistics\n"); + else + printf("BOOTP Statistics with filter %s\n", sp->filter); + printf("BOOTP Option 53: DHCP Messages Types:\n"); + printf("DHCP Message Type Packets nb\n" ); + g_hash_table_foreach( sp->hash, (GHFunc) dhcp_draw_message_type, + "%23s %-9d\n" ); + printf("===================================================================\n"); + +} + + + + +/* When called, this function will create a new instance of tap-boopstat. + */ +static void +dhcpstat_init(char *optarg) +{ + dhcpstat_t *sp; + char *filter=NULL; + GString *error_string; + + if (!strncmp (optarg, "bootp,stat,", 11)){ + filter=optarg+11; + } else { + filter=NULL; + } + + sp = g_malloc( sizeof(dhcpstat_t) ); + sp->hash = g_hash_table_new( g_str_hash, g_str_equal); + if(filter){ + sp->filter=g_malloc(strlen(filter)+1); + strcpy(sp->filter,filter); + } else { + sp->filter=NULL; + } + sp->index = 0; /* Nothing to display yet */ + + error_string = register_tap_listener( + "bootp", + sp, + filter, + dhcpstat_reset, + dhcpstat_packet, + dhcpstat_draw); + if (error_string){ + /* error, we failed to attach to the tap. clean up */ + g_free(sp->filter); + g_free(sp); + fprintf(stderr, "tethereal: Couldn't register dhcp,stat tap: %s\n", + error_string->str); + g_string_free(error_string, TRUE); + exit(1); + } +} + + + +void +register_tap_listener_gtkdhcpstat(void) +{ + register_ethereal_tap("bootp,stat,", dhcpstat_init); +} + -- cgit v1.2.3