/* tap-rpcstat.c * wspstat 2003 Jean-Michel FAYARD * * $Id$ * * 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. */ /* 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 #ifdef HAVE_SYS_TYPES_H # include #endif #include #include "epan/packet_info.h" #include #include "register.h" #include "epan/value_string.h" #include /* 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_, const void *pri) { wspstat_t *sp=psp; const 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, " 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 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;inum_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); }