From Jean-Michel Fayard: BOOTP/DHCP, HTTP, and WSP statistics taps.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@8345 f5534014-38df-0310-8fa8-9805f1628bb7

1 files changed, 284 insertions, 0 deletions

diff --git a/tap-wspstat.c b/tap-wspstat.c
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+/* tap-rpcstat.c
+ * wspstat   2003 Jean-Michel FAYARD
+ *
+ * $Id: tap-wspstat.c,v 1.1 2003/09/02 22:47:58 guy Exp $
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * 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.
+ */
+
+/* This module provides WSP  statistics to tethereal.
+ * It is only used by tethereal and not ethereal
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+#include <string.h>
+#include "epan/packet_info.h"
+#include "tap.h"
+#include "register.h"
+#include "epan/value_string.h"
+#include "packet-wsp.h"
+
+/* used to keep track of the stats for a specific PDU type*/
+typedef struct _wsp_pdu_t {
+	gchar 		*type;
+	guint32		 packets;
+} wsp_pdu_t;
+/* used to keep track of RTT statistics */
+typedef struct _wsp_status_code_t {
+	gchar		*name;
+	guint32		 packets;
+} wsp_status_code_t;
+/* used to keep track of the statictics for an entire program interface */
+typedef struct _wsp_stats_t {
+	char 		*filter;
+	wsp_pdu_t 	*pdu_stats;
+	guint32	num_pdus;
+	GHashTable	*hash;
+} wspstat_t;
+	
+static void
+wsp_reset_hash(gchar *key _U_ , wsp_status_code_t *data, gpointer ptr _U_ ) 
+{	
+	data->packets = 0;
+}
+static void
+wsp_print_statuscode(gint *key, wsp_status_code_t *data, char* format)
+{
+	if (data && (data->packets!=0))
+		printf(format, *key, data->packets ,data->name);
+}
+static void
+wsp_free_hash_table( gpointer key, gpointer value, gpointer user_data _U_ )
+{
+	g_free(key);
+	g_free(value);
+}
+static void
+wspstat_reset(void *psp)
+{
+	wspstat_t *sp=psp;
+	guint32 i;
+
+	for(i=1;i<=sp->num_pdus;i++)
+	{
+		sp->pdu_stats[i].packets=0;
+	}
+	g_hash_table_foreach( sp->hash, (GHFunc)wsp_reset_hash, NULL);
+}
+
+
+/* This callback is invoked whenever the tap system has seen a packet
+ * we might be interested in.
+ * The function is to be used to only update internal state information
+ * in the *tapdata structure, and if there were state changes which requires
+ * the window to be redrawn, return 1 and (*draw) will be called sometime
+ * later.
+ *
+ * We didnt apply a filter when we registered so we will be called for
+ * ALL packets and not just the ones we are collecting stats for.
+ *
+ */
+static gint 
+pdut2index(gint pdut)
+{
+	if (pdut<=0x09)		return pdut;
+	if (pdut>=0x40){
+		if (pdut <= 0x44){
+			return pdut-54;
+		} else if (pdut==0x60||pdut==0x61){
+			return pdut-81;
+		}
+	}
+	return 0;
+}
+static gint
+index2pdut(gint pdut)
+{
+	if (pdut<=0x09)
+		return pdut;
+	if (pdut<=14)
+		return pdut+54;
+	if (pdut<=16)
+		return pdut+81;
+	return 0;
+}
+static int
+wspstat_packet(void *psp, packet_info *pinfo _U_, epan_dissect_t *edt _U_, void *pri)
+{
+	wspstat_t *sp=psp;
+	wsp_info_value_t *value=pri;
+	gint index = pdut2index(value->pdut);
+	int retour=0;
+
+	if (value->status_code != 0) {
+		gint *key=g_malloc( sizeof(gint) );
+		wsp_status_code_t *sc;
+		*key=value->status_code ;
+		sc = g_hash_table_lookup( 
+				sp->hash, 
+				key);
+		if (!sc) {
+			sc = g_malloc( sizeof(wsp_status_code_t) );
+			sc -> packets = 1;
+			sc -> name = NULL;
+			g_hash_table_insert(
+				sp->hash,
+				key,
+				sc);
+		} else {
+			sc->packets++;
+		}
+		retour=1;
+	}
+
+		
+
+	if (index!=0) {
+		sp->pdu_stats[ index ].packets++;
+		retour = 1;
+	}
+	return retour;
+}
+
+
+/* This callback is used when tethereal wants us to draw/update our
+ * data to the output device. Since this is tethereal only output is
+ * stdout.
+ * Tethereal will only call this callback once, which is when tethereal has
+ * finished reading all packets and exists.
+ * If used with ethereal this may be called any time, perhaps once every 3 
+ * seconds or so.
+ * This function may even be called in parallell with (*reset) or (*draw)
+ * so make sure there are no races. The data in the rpcstat_t can thus change
+ * beneath us. Beware.
+ */
+static void
+wspstat_draw(void *psp)
+{
+	wspstat_t *sp=psp;
+	guint32 i;
+
+	printf("\n");
+	printf("===================================================================\n");
+	printf("WSP Statistics:\n");
+	printf("%-23s %9s || %-23s %9s\n","PDU Type", "Packets", "PDU Type", "Packets");
+	for(i=1; i<= ((sp->num_pdus+1)/2) ; i++)
+	{
+		guint32 ii=i+sp->num_pdus/2;
+		printf("%-23s %9d", sp->pdu_stats[i ].type, sp->pdu_stats[i ].packets);
+		printf(" || ");
+		if (ii< (sp->num_pdus) )
+			printf("%-23s %9d\n", sp->pdu_stats[ii].type, sp->pdu_stats[ii].packets);
+		else 
+			printf("\n");
+		}
+	printf("\nStatus code in reply packets\n");
+	printf(		"Status Code    Packets  Description\n");
+	g_hash_table_foreach( sp->hash, (GHFunc) wsp_print_statuscode, 
+			"%11d  %9d  %s\n" ) ;
+	printf("===================================================================\n");
+}
+
+/* When called, this function will create a new instance of wspstat.
+ * program and version are whick onc-rpc program/version we want to
+ * collect statistics for.
+ * This function is called from tethereal when it parses the -Z wsp, arguments
+ * and it creates a new instance to store statistics in and registers this
+ * new instance for the wsp tap.
+ */
+static void
+wspstat_init(char *optarg)
+{
+	wspstat_t *sp;
+	char *filter=NULL;
+	guint32 i;
+	GString	*error_string;
+	wsp_status_code_t *sc;
+	
+	if (!strncmp (optarg, "wsp,stat," , 9)){
+		filter=optarg+9;
+	} else {
+		filter=NULL;
+	}
+	
+		
+	sp = g_malloc( sizeof(wspstat_t) );
+	sp->hash = g_hash_table_new( g_int_hash, g_int_equal);
+	for (i=0 ; vals_status[i].strptr ; i++ )
+	{
+		gint *key;
+		sc=g_malloc( sizeof(wsp_status_code_t) );
+		key=g_malloc( sizeof(gint) );
+		sc->packets=0;
+		sc->name=vals_status[i].strptr;
+		*key=vals_status[i].value;
+		g_hash_table_insert(
+				sp->hash,
+				key,
+				sc);
+	}
+	sp->num_pdus = 16;
+	sp->pdu_stats=g_malloc( (sp->num_pdus+1) * sizeof( wsp_pdu_t) );
+	if(filter){
+		sp->filter=g_malloc(strlen(filter)+1);
+		strcpy(sp->filter,filter);
+	} else {
+		sp->filter=NULL;
+	}
+	for (i=0;i<sp->num_pdus; i++)
+	{
+		sp->pdu_stats[i].packets=0;
+		sp->pdu_stats[i].type = match_strval( index2pdut( i ), vals_pdu_type) ;
+	}
+
+	error_string = register_tap_listener( 
+			"wsp",
+			sp,
+			filter,
+			wspstat_reset,
+			wspstat_packet,
+			wspstat_draw);
+	if (error_string){
+		/* error, we failed to attach to the tap. clean up */
+		g_free(sp->pdu_stats);
+		g_free(sp->filter);
+		g_free(sp);
+		g_hash_table_foreach( sp->hash, (GHFunc) wsp_free_hash_table, NULL ) ;
+		g_hash_table_destroy( sp->hash );
+		fprintf(stderr, "tethereal: Couldn't register wsp,stat tap: %s\n",
+				error_string->str);
+		g_string_free(error_string, TRUE);
+		exit(1);
+	}
+}
+void 
+register_tap_listener_wspstat(void)
+{
+	register_ethereal_tap("wsp,stat,", wspstat_init);
+}