AC-DC

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lib/AC/DC/IO.pm  view on Meta::CPAN

    $^T = $t0;
    my $r = $rvec;
    my $w = $wvec;

    my $t;
    if( @timeout ){
        $t = $timeout[0]{_timeout} - $^T;
        $t = 0 if $t < 0;
    }

    my $i = select($r, $w, undef, $t);

    if( $i == -1 ){
        return if $! == EINTR;
        fatal( "select failed: $!" );
    }

    my $t1 = time();
    $^T = $t1;

    # dispatch
    for my $n (0 .. $maxfn){
        if( vec($r, $n, 1) && vec($rvec, $n, 1) ){
            my $x = $fileno[$n];
            # debug("fileno $n ($x->{info}) is readable");

lib/AC/DC/Protocol.pm  view on Meta::CPAN

    my $fn = fileno($s);
    my $wfd = "\0\0\0\0";
    vec($wfd, $fn, 1) = 1;

    my $i = connect($s, $sa);
    return 1 if $i;	# connected
    return unless $! == EISCONN || $! == EALREADY || $! == EINPROGRESS;

    # wait until connected or timeout
    my $is = select(undef, $wfd, undef, $to);
    return if $is == -1;
    return 1 if vec($wfd, $fn, 1);
    return;
}

sub connect_to_server {
    my $me    = shift;
    my $ipn   = shift;
    my $port  = shift;
    my $timeo = shift;

lib/AC/DC/Protocol.pm  view on Meta::CPAN

    my $fn = fileno($s);

    my $tlen = length($req);
    my $slen = 0;

    while($tlen){
        my $wfd = "\0\0\0\0";
        vec($wfd, $fn, 1) = 1;
        my $to = $timeo;

        my $si = select(undef, $wfd, undef, $to);
        confess "write data failed: $!\n" if $si == -1;
        confess "write timeout\n" unless vec($wfd, $fn, 1);

        my $l = $tlen > $BUFSIZ ? $BUFSIZ : $tlen;
        my $i = syswrite($s, $req, $l, $slen);
        confess "write failed $!\n" unless $i >= 1;
        $tlen -= $i;
        $slen += $i;
    }

lib/AC/DC/Protocol.pm  view on Meta::CPAN

    my $data;
    my $start = time();
    while( my $len = $size - length($data) ){
        $len = $BUFSIZ if $len > $BUFSIZ;
        my $rfd = "\0\0\0\0";
        vec($rfd, $fn, 1) = 1;
        my $to = $start + $timeo - time();
        my $t0 = time();

        my $si = select($rfd, undef, undef, $to);
        next if $si == -1 && $! == EINTR;
        confess "read data failed: $!\n" if $si == -1;
        confess "read timeout " . (time() - $t0) . "\n" unless vec($rfd, $fn, 1);

        my $i = sysread($s, $data, $len, length($data));
        next if !defined($i) && $! == EINTR;
        confess "read failed: connection closed (read " . length($data) . " of $len)\n" if $i == 0;
    }

    fcntl($s, F_SETFL, $fl);