X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FMsg.pm;h=d677b69248190567b4eb2031ec97ef067af54279;hb=b8df30c344a8805053f889eda4fd17d85dca1b9e;hp=15dc26d4ff29fe85e0b56ec665655babb284c256;hpb=6d4734fbc4db9f84db74e9ffd8f81cd019f6c8ea;p=spider.git diff --git a/perl/Msg.pm b/perl/Msg.pm index 15dc26d4..d677b692 100644 --- a/perl/Msg.pm +++ b/perl/Msg.pm @@ -52,6 +52,30 @@ BEGIN { eval { require Errno; Errno->import(qw(EAGAIN EINPROGRESS EWOULDBLOCK)); }; + + unless ($^O eq 'MSWin32') { + if ($] >= 5.6) { + eval { + require Socket; Socket->import(qw(IPPROTO_TCP TCP_NODELAY)); + }; + } else { + dbg("IPPROTO_TCP and TCP_NODELAY manually defined"); + eval 'sub IPPROTO_TCP { 6 };'; + eval 'sub TCP_NODELAY { 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 = 0; # it appears that this DOESN'T work :-( + } } my $w = $^W; @@ -109,14 +133,23 @@ sub set_rproc 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 @@ -356,10 +389,31 @@ sub new_server { return $self; } + sub nolinger { my $conn = shift; - setsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER, pack("ll", 0, 0)) or confess "setsockopt: $!"; + + unless ($main::is_win) { + 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 = $main::is_win ? 0 : unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY); + dbg("Linger is: $l $t, keepalive: $k, nagle: $n"); + } + + eval {setsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE, 1)} or confess "setsockopt keepalive: $!"; + eval {setsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER, pack("ll", 0, 0))} or confess "setsockopt linger: $!"; + eval {setsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY, 1)} or eval {setsockopt($conn->{sock}, SOL_SOCKET, TCP_NODELAY, 1)} or confess "setsockopt tcp_nodelay: $!"; + $conn->{sock}->autoflush(0); + + if (isdbg('sock')) { + my ($l, $t) = unpack "ll", getsockopt($conn->{sock}, SOL_SOCKET, SO_LINGER); + my $k = unpack 'l', getsockopt($conn->{sock}, SOL_SOCKET, SO_KEEPALIVE); + my $n = $main::is_win ? 0 : unpack "l", getsockopt($conn->{sock}, IPPROTO_TCP, TCP_NODELAY); + dbg("Linger is: $l $t, keepalive: $k, nagle: $n"); + } + } } sub dequeue