nexmon – Rev 1
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/* tap-rpcstat.c
* wspstat 2003 Jean-Michel FAYARD
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* This module provides WSP statistics to tshark.
* It is only used by tshark and not wireshark
*
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <epan/packet_info.h>
#include <epan/tap.h>
#include <epan/stat_tap_ui.h>
#include <epan/value_string.h>
#include <epan/dissectors/packet-wsp.h>
void register_tap_listener_wspstat(void);
/* used to keep track of the stats for a specific PDU type*/
typedef struct _wsp_pdu_t {
const gchar *type;
guint32 packets;
} wsp_pdu_t;
/* used to keep track of SRT statistics */
typedef struct _wsp_status_code_t {
const 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 = (wspstat_t *)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 didn't 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_, const void *pri)
{
wspstat_t *sp = (wspstat_t *)psp;
const wsp_info_value_t *value = (const wsp_info_value_t *)pri;
gint idx = pdut2index(value->pdut);
int retour = 0;
if (value->status_code != 0) {
gint *key = g_new(gint, 1);
wsp_status_code_t *sc;
*key = value->status_code ;
sc = (wsp_status_code_t *)g_hash_table_lookup(
sp->hash,
key);
if (!sc) {
sc = g_new(wsp_status_code_t, 1);
sc -> packets = 1;
sc -> name = NULL;
g_hash_table_insert(
sp->hash,
key,
sc);
} else {
sc->packets++;
}
retour = 1;
}
if (idx != 0) {
sp->pdu_stats[idx].packets++;
retour = 1;
}
return retour;
}
/* This callback is used when tshark wants us to draw/update our
* data to the output device. Since this is tshark only output is
* stdout.
* TShark will only call this callback once, which is when tshark has
* finished reading all packets and exists.
* If used with wireshark 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 = (wspstat_t *)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 %9u", sp->pdu_stats[i ].type, sp->pdu_stats[i ].packets);
printf(" || ");
if (ii< (sp->num_pdus) )
printf("%-23s %9u\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,
(gpointer)" 0x%02X %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 tshark 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(const char *opt_arg, void *userdata _U_)
{
wspstat_t *sp;
const char *filter = NULL;
guint32 i;
GString *error_string;
wsp_status_code_t *sc;
const value_string *wsp_vals_status_p;
if (!strncmp (opt_arg, "wsp,stat,", 9)) {
filter = opt_arg+9;
} else {
filter = NULL;
}
sp = g_new(wspstat_t, 1);
sp->hash = g_hash_table_new( g_int_hash, g_int_equal);
wsp_vals_status_p = VALUE_STRING_EXT_VS_P(&wsp_vals_status_ext);
for (i=0; wsp_vals_status_p[i].strptr; i++ )
{
gint *key;
sc = g_new(wsp_status_code_t, 1);
key = g_new(gint, 1);
sc->packets = 0;
sc->name = wsp_vals_status_p[i].strptr;
*key = wsp_vals_status_p[i].value;
g_hash_table_insert(
sp->hash,
key,
sc);
}
sp->num_pdus = 16;
sp->pdu_stats = g_new(wsp_pdu_t, (sp->num_pdus+1));
if (filter) {
sp->filter = g_strdup(filter);
} else {
sp->filter = NULL;
}
for (i=0; i<sp->num_pdus; i++)
{
sp->pdu_stats[i].packets = 0;
sp->pdu_stats[i].type = try_val_to_str_ext( index2pdut( i ), &wsp_vals_pdu_type_ext) ;
}
error_string = register_tap_listener(
"wsp",
sp,
filter,
0,
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, "tshark: Couldn't register wsp,stat tap: %s\n",
error_string->str);
g_string_free(error_string, TRUE);
exit(1);
}
}
static stat_tap_ui wspstat_ui = {
REGISTER_STAT_GROUP_GENERIC,
NULL,
"wsp,stat",
wspstat_init,
0,
NULL
};
void
register_tap_listener_wspstat(void)
{
register_stat_tap_ui(&wspstat_ui, NULL);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/