1 # Copyright (C) 2015 all contributors <meta@public-inbox.org>
2 # License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
4 # Used by -nntpd for listen sockets
5 package PublicInbox::Listener;
8 use base 'Danga::Socket';
9 use Socket qw(SOL_SOCKET SO_KEEPALIVE IPPROTO_TCP TCP_NODELAY);
10 use fields qw(post_accept);
14 my ($class, $s, $cb) = @_;
15 setsockopt($s, SOL_SOCKET, SO_KEEPALIVE, 1);
16 setsockopt($s, IPPROTO_TCP, TCP_NODELAY, 1);
18 IO::Handle::blocking($s, 0);
19 my $self = fields::new($class);
20 $self->SUPER::new($s); # calls epoll_create for the first socket
22 $self->{post_accept} = $cb;
28 my $sock = $self->{sock};
29 # no loop here, we want to fairly distribute clients
30 # between multiple processes sharing the same socket
31 if (my $addr = accept(my $c, $sock)) {
32 IO::Handle::blocking($c, 0); # no accept4 :<
33 $self->{post_accept}->($c, $addr, $sock);