#!/usr/bin/perl
#
# vim:set ts=4 sw=4:

use strict;
use POSIX qw(strftime);
use Time::HiRes qw(time);

use lib '.';
use r0ket;

$|=1;

r0ket::r0ket_init();

# Default openbeacon settings.
r0ket::set_txmac(pack("H*","0102030201"));
r0ket::set_rxmac(pack("H*","0102030201"));
r0ket::set_channel(81);
r0ket::set_rxlen(16);

#r0ket::readbeacon();

my $str;
my %bdata;

use Socket;
use Sys::Hostname;

my($iaddr,$proto,$port,$paddr);
$iaddr = gethostbyname(hostname());
$proto = getprotobyname('udp');
#$port = getservbyname('time', 'udp');
$port = "7777";
$paddr = sockaddr_in(0, $iaddr); # 0 means let kernel pick

socket(SOCKET, PF_INET, SOCK_DGRAM, $proto)   || die "socket: $!";
bind(SOCKET, $paddr)                          || die "bind: $!";

my $host="127.0.0.1";
my $hisiaddr = inet_aton($host)    || die "unknown host";
my $hispaddr = sockaddr_in($port, $hisiaddr);

###send(SOCKET, 0, 0, $hispaddr);


my $beaconctr=0;
my $lasttime;
my $crcerr=0;
my $ctr=0;
while(1){
    $str=r0ket::get_packet();
    $ctr++;
    next if($str eq "ack"); # in-band signalling.

        my $hdr=
        pack("nCCnnNN",
            0xeeee, # icrc16
            1, # proto (BEACONLOG_SIGHTING)
            0, # interface (we only have one antenna per "reader")
            1234, # readerid
            32, # size
            $ctr, # sequence
            time # timestamp
            );
    send (SOCKET, $hdr.$str,0,$hispaddr);

    my $p=r0ket::nice_beacon($str);
    if($p->{crc} ne "ok"){
        $crcerr++;
        next;
    };

};
print "received $ctr pkts, $crcerr crc errors\n";
r0ket::rest();