1# $OpenBSD: Server.pm,v 1.3 2013/06/05 04:34:27 bluhm Exp $ 2 3# Copyright (c) 2010-2013 Alexander Bluhm <bluhm@openbsd.org> 4# 5# Permission to use, copy, modify, and distribute this software for any 6# purpose with or without fee is hereby granted, provided that the above 7# copyright notice and this permission notice appear in all copies. 8# 9# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 17use strict; 18use warnings; 19 20package Server; 21use parent 'Proc'; 22use Carp; 23use Socket qw(IPPROTO_TCP TCP_NODELAY); 24use Socket6; 25use IO::Socket; 26use IO::Socket::INET6; 27 28sub new { 29 my $class = shift; 30 my %args = @_; 31 $args{logfile} ||= "server.log"; 32 $args{up} ||= "Accepted"; 33 my $self = Proc::new($class, %args); 34 $self->{domain} 35 or croak "$class domain not given"; 36 $self->{protocol} 37 or croak "$class protocol not given"; 38 my $ls = do { local $> = 0; IO::Socket::INET6->new( 39 Type => $self->{socktype}, 40 Proto => $self->{protocol}, 41 ReuseAddr => 1, 42 Domain => $self->{domain}, 43 $self->{listenaddr} ? (LocalAddr => $self->{listenaddr}) : (), 44 $self->{listenport} ? (LocalPort => $self->{listenport}) : (), 45 ) } or die ref($self), " socket failed: $!"; 46 if ($self->{oobinline}) { 47 setsockopt($ls, SOL_SOCKET, SO_OOBINLINE, pack('i', 1)) 48 or die ref($self), " set oobinline listen failed: $!"; 49 } 50 if ($self->{sndbuf}) { 51 setsockopt($ls, SOL_SOCKET, SO_SNDBUF, 52 pack('i', $self->{sndbuf})) 53 or die ref($self), " set sndbuf listen failed: $!"; 54 } 55 if ($self->{rcvbuf}) { 56 setsockopt($ls, SOL_SOCKET, SO_RCVBUF, 57 pack('i', $self->{rcvbuf})) 58 or die ref($self), " set rcvbuf listen failed: $!"; 59 } 60 if ($self->{protocol} eq "tcp") { 61 setsockopt($ls, IPPROTO_TCP, TCP_NODELAY, pack('i', 1)) 62 or die ref($self), " set nodelay listen failed: $!"; 63 listen($ls, 1) 64 or die ref($self), " socket failed: $!"; 65 } 66 my $log = $self->{log}; 67 print $log "listen sock: ",$ls->sockhost()," ",$ls->sockport(),"\n"; 68 $self->{listenaddr} = $ls->sockhost() unless $self->{listenaddr}; 69 $self->{listenport} = $ls->sockport() unless $self->{listenport}; 70 $self->{ls} = $ls; 71 return $self; 72} 73 74sub child { 75 my $self = shift; 76 77 my $as = $self->{ls}; 78 if ($self->{protocol} eq "tcp") { 79 $as = $self->{ls}->accept() 80 or die ref($self), " socket accept failed: $!"; 81 print STDERR "accept sock: ",$as->sockhost()," ", 82 $as->sockport(),"\n"; 83 print STDERR "accept peer: ",$as->peerhost()," ", 84 $as->peerport(),"\n"; 85 } 86 $as->blocking($self->{nonblocking} ? 0 : 1) 87 or die ref($self), " non-blocking accept failed: $!"; 88 89 open(STDIN, '<&', $as) 90 or die ref($self), " dup STDIN failed: $!"; 91 open(STDOUT, '>&', $as) 92 or die ref($self), " dup STDOUT failed: $!"; 93} 94 951; 96