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UNIX.pm
# IO::Socket::UNIX.pm # # Copyright (c) 1997-8 Graham Barr <gbarr@pobox.com>. All rights reserved. # This program is free software; you can redistribute it and/or # modify it under the same terms as Perl itself. package IO::Socket::UNIX; use strict; our(@ISA, $VERSION); use IO::Socket; use Carp; @ISA = qw(IO::Socket); $VERSION = "1.24"; $VERSION = eval $VERSION; IO::Socket::UNIX->register_domain( AF_UNIX ); sub new { my $class = shift; unshift(@_, "Peer") if @_ == 1; return $class->SUPER::new(@_); } sub configure { my($sock,$arg) = @_; my($bport,$cport); my $type = $arg->{Type} || SOCK_STREAM; $sock->socket(AF_UNIX, $type, 0) or return undef; if(exists $arg->{Local}) { my $addr = sockaddr_un($arg->{Local}); $sock->bind($addr) or return undef; } if(exists $arg->{Listen} && $type != SOCK_DGRAM) { $sock->listen($arg->{Listen} || 5) or return undef; } elsif(exists $arg->{Peer}) { my $addr = sockaddr_un($arg->{Peer}); $sock->connect($addr) or return undef; } $sock; } sub hostpath { @_ == 1 or croak 'usage: $sock->hostpath()'; my $n = $_[0]->sockname || return undef; (sockaddr_un($n))[0]; } sub peerpath { @_ == 1 or croak 'usage: $sock->peerpath()'; my $n = $_[0]->peername || return undef; (sockaddr_un($n))[0]; } 1; # Keep require happy __END__ =head1 NAME IO::Socket::UNIX - Object interface for AF_UNIX domain sockets =head1 SYNOPSIS use IO::Socket::UNIX; =head1 DESCRIPTION C<IO::Socket::UNIX> provides an object interface to creating and using sockets in the AF_UNIX domain. It is built upon the L<IO::Socket> interface and inherits all the methods defined by L<IO::Socket>. =head1 CONSTRUCTOR =over 4 =item new ( [ARGS] ) Creates an C<IO::Socket::UNIX> object, which is a reference to a newly created symbol (see the C<Symbol> package). C<new> optionally takes arguments, these arguments are in key-value pairs. In addition to the key-value pairs accepted by L<IO::Socket>, C<IO::Socket::UNIX> provides. Type Type of socket (eg SOCK_STREAM or SOCK_DGRAM) Local Path to local fifo Peer Path to peer fifo Listen Create a listen socket If the constructor is only passed a single argument, it is assumed to be a C<Peer> specification. NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE As of VERSION 1.18 all IO::Socket objects have autoflush turned on by default. This was not the case with earlier releases. NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE =back =head1 METHODS =over 4 =item hostpath() Returns the pathname to the fifo at the local end =item peerpath() Returns the pathanme to the fifo at the peer end =back =head1 SEE ALSO L<Socket>, L<IO::Socket> =head1 AUTHOR Graham Barr. Currently maintained by the Perl Porters. Please report all bugs to <perlbug@perl.org>. =head1 COPYRIGHT Copyright (c) 1996-8 Graham Barr <gbarr@pobox.com>. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. =cut
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