eval {
require Errno; Errno->import(qw(EAGAIN EINPROGRESS EWOULDBLOCK));
};
+
+ eval {
+ require Socket; Socket->import(qw(IPPROTO_TCP TCP_NODELAY));
+ };
+ unless (*IPPROTO_TCP && !$^O =~ /^MS/) {
+ dbg("IPPROTO_TCP and TCP_NODELAY manually defined");
+ eval '*IPPROTO_TCP = sub { 6 };';
+ eval '*TCP_NODELAY = sub { 1 };';
+ }
+ # http://support.microsoft.com/support/kb/articles/Q150/5/37.asp
+ # defines EINPROGRESS as 10035. We provide it here because some
+ # Win32 users report POSIX::EINPROGRESS is not vendor-supported.
+ if ($^O eq 'MSWin32') {
+ eval '*EINPROGRESS = sub { 10036 };';
+ eval '*EWOULDBLOCK = *EAGAIN = sub { 10035 };';
+ eval '*F_GETFL = sub { 0 };';
+ eval '*F_SETFL = sub { 0 };';
+ eval '*IPPROTO_TCP = sub { 6 };';
+ eval '*TCP_NODELAY = sub { 1 };';
+ $blocking_supported = 1;
+ }
}
my $w = $^W;
sub blocking
{
return unless $blocking_supported;
-
- my $flags = fcntl ($_[0], F_GETFL, 0);
- if ($_[1]) {
- $flags &= ~O_NONBLOCK;
+
+ # Make the handle stop blocking, the Windows way.
+ if ($main::is_win) {
+ # 126 is FIONBIO (some docs say 0x7F << 16)
+ ioctl( $_[0],
+ 0x80000000 | (4 << 16) | (ord('f') << 8) | 126,
+ "$_[1]"
+ );
} else {
- $flags |= O_NONBLOCK;
+ my $flags = fcntl ($_[0], F_GETFL, 0);
+ if ($_[1]) {
+ $flags &= ~O_NONBLOCK;
+ } else {
+ $flags |= O_NONBLOCK;
+ }
+ fcntl ($_[0], F_SETFL, $flags);
}
- fcntl ($_[0], F_SETFL, $flags);
}
# save it
return $self;
}
+
sub nolinger
{
my $conn = shift;
- my $buf;
- if (isdbg('sock') && ($buf = getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER))) {
- my ($l, $t) = unpack("ll", $buf);
- dbg("Linger is: $buf = $l $t");
+
+ if (isdbg('sock')) {
+ my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
+ my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
+ my $n = unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
+ dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
}
+
setsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER, pack("ll", 0, 0)) or confess "setsockopt linger: $!";
setsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE, 1) or confess "setsockopt keepalive: $!";
- if (isdbg('sock') && ($buf = getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER))) {
- my ($l, $t) = unpack("ll", $buf);
- dbg("Linger is: $buf = $l $t");
+ unless ($main::is_win) {
+ setsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY, 1) or confess "setsockopt: $!";
+ }
+ $conn->{sock}->autoflush(0);
+
+ if (isdbg('sock')) {
+ my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER);
+ my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE);
+ my $n = unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY);
+ dbg("Linger is: $l $t, keepalive: $k, nagle: $n");
}
}