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lib/Robotics/Tecan/Server.pm  view on Meta::CPAN

    my $port = $params{port} || 8088;

    my $socket = IO::Socket::INET->new( Proto     => 'tcp',
                                  LocalPort => $port,
                                  Listen    => SOMAXCONN,
                                  Reuse     => 1);
    die "cant open network on port $port" unless $socket;

    my $client;
    my $hostinfo;
    my $cdata;
    print STDERR "Robotics::Tecan network server is ready on port $port.\n";
    while ($client = $socket->accept()) {
        $client->autoflush(1);
        print $client "Welcome to $0\n";
        $hostinfo = gethostbyaddr($client->peeraddr);
        printf STDERR "\tConnect from %s on port $port\n",
            $hostinfo ? $hostinfo->name : $client->peerhost;

        # Cheap authentication
        print $client "login:\n";
        while ($cdata = <$client>) {
            $cdata =~ s/\n\r\t\s//g;
            last if ($cdata =~ /^$params{password}\b/);
            print $client "login:\n";
            print STDOUT "\t\t$cdata\n";
        }
        print $client "Authentication OK\n";
        printf STDERR "\tAuthenticated %s on port $port\n",
            $hostinfo ? $hostinfo->name : $client->peerhost;

        # Run commands
        my $result;
        while (<$client>) {
            next unless /\S/;       # blank line
            last if /end/oi;