source: test/test-wireless.c @ 38f9537

/*
 * This file is part of libtrace
 *
 * Copyright (c) 2007 The University of Waikato, Hamilton, New Zealand.
 * Authors: Daniel Lawson 
 *          Perry Lorier 
 *          
 * All rights reserved.
 *
 * This code has been developed by the University of Waikato WAND 
 * research group. For further information please see http://www.wand.net.nz/
 *
 * libtrace 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.
 *
 * libtrace 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 libtrace; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * $Id: test-pcap-to-erf.c,v 1.3 2006/02/27 03:41:12 perry Exp $
 *
 */
#ifndef WIN32
#  include <sys/time.h>
#  include <netinet/in.h>
#  include <netinet/in_systm.h>
#  include <netinet/tcp.h>
#  include <netinet/ip.h>
#  include <netinet/ip_icmp.h>
#  include <arpa/inet.h>
#  include <sys/socket.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include <string.h>

#include "libtrace.h"

void iferr(libtrace_t *trace)
{
        libtrace_err_t err = trace_get_err(trace);
        if (err.err_num==0)
                return;
        printf("Error: %s\n",err.problem);
        exit(1);
}


int main(int argc, char *argv[]) {
        libtrace_t *trace;
        libtrace_packet_t *packet;
        int result;
        uint64_t tsft;
        uint16_t freq, tmp16;
        uint8_t flags, rate, sdbm, ndbm, sdb, antenna, tmp8;
        
        uint16_t total_freq, expected_freq = 24170;
        
        void *l;
        libtrace_linktype_t lt;
        trace = trace_create("pcapfile:traces/10_packets_radiotap.pcap");
        iferr(trace);

        trace_start(trace);
        iferr(trace);
        
        packet=trace_create_packet();

        trace_read_packet(trace, packet);

        l = trace_get_link(packet);
        lt = trace_get_link_type(packet);

        /* Check that the right linktype is being reported for this trace */
        assert(lt == TRACE_TYPE_80211_RADIO);

        /* Check that fields that exist in this trace are reported as 
         * existing */
        assert(trace_get_wireless_tsft(l,lt,&tsft));
        assert(trace_get_wireless_rate(l,lt,&rate));
        assert(trace_get_wireless_freq(l,lt,&freq));
        assert(trace_get_wireless_signal_strength_dbm(l,lt,(int8_t *)&sdbm));
        assert(trace_get_wireless_noise_strength_dbm(l,lt,(int8_t *)&ndbm));
        assert(trace_get_wireless_signal_strength_db(l,lt,&sdb));
        assert(trace_get_wireless_antenna(l,lt,&antenna));

        /* Check that the fields that do not exist in this trace are
         * reported as not existing */
        assert(!trace_get_wireless_noise_strength_db(l,lt,&tmp8));
        assert(!trace_get_wireless_tx_attenuation(l,lt,&tmp16));
        assert(!trace_get_wireless_tx_attenuation_db(l,lt,&tmp16));
        assert(!trace_get_wireless_tx_power_dbm(l,lt,(int8_t *)&tmp8));

        /* Check that the functions are returning the right values for
         * this trace
         * TODO: Check all fields :)
         */
        total_freq = freq;
        
        while((result = trace_read_packet(trace, packet)) > 0) {
                /* This trace has no FCS at the end of packets, so ensure
                 * that wire-length is 4 bytes greater than capture length */
                int caplen = trace_get_capture_length(packet);
                int wirelen = trace_get_wire_length(packet);
                assert(wirelen == caplen + 4);
                if(trace_get_wireless_freq(l,lt,&freq)) 
                        total_freq += freq;
        }

        assert(total_freq == expected_freq);

        trace_destroy_packet(packet);
        trace_destroy(trace);
                
        /* Now check that we don't process non-radiotap traces */
        
        trace = trace_create("pcapfile:traces/100_packets.pcap");
        iferr(trace);
        trace_start(trace);
        iferr(trace);
        packet = trace_create_packet();
        trace_read_packet(trace,packet);
        l = trace_get_link(packet);
        lt = trace_get_link_type(packet);
        assert(lt != TRACE_TYPE_80211_RADIO);

        assert(!trace_get_wireless_tsft(l,lt,&tsft));
        assert(!trace_get_wireless_rate(l,lt,&rate));
        assert(!trace_get_wireless_freq(l,lt,&freq));
        assert(!trace_get_wireless_signal_strength_dbm(l,lt,(int8_t *)&sdbm));
        assert(!trace_get_wireless_noise_strength_dbm(l,lt,(int8_t *)&ndbm));
        assert(!trace_get_wireless_signal_strength_db(l,lt,&sdb));
        assert(!trace_get_wireless_antenna(l,lt,&antenna));
        assert(!trace_get_wireless_noise_strength_db(l,lt,&tmp8));
        assert(!trace_get_wireless_tx_attenuation(l,lt,&tmp16));
        assert(!trace_get_wireless_tx_attenuation_db(l,lt,&tmp16));
        assert(!trace_get_wireless_tx_power_dbm(l,lt,(int8_t *)&tmp8));


        trace_destroy_packet(packet);
        trace_destroy(trace);
        printf("%s: success\n", argv[0]);
        return 0;
}