/usr/share/perl5/IO/All/Socket.pm is in libio-all-perl 0.54-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 | package IO::All::Socket;
use strict;
use warnings;
use IO::All -base;
use IO::Socket;
const type => 'socket';
field _listen => undef;
option 'fork';
const domain_default => 'localhost';
chain domain => undef;
chain port => undef;
proxy_open 'recv';
proxy_open 'send';
sub socket {
my $self = shift;
bless $self, __PACKAGE__;
$self->name(shift) if @_;
return $self->_init;
}
sub socket_handle {
my $self = shift;
bless $self, __PACKAGE__;
$self->_handle(shift) if @_;
return $self->_init;
}
sub accept {
my $self = shift;
use POSIX ":sys_wait_h";
sub REAPER {
while (waitpid(-1, WNOHANG) > 0) {}
$SIG{CHLD} = \&REAPER;
}
local $SIG{CHLD};
$self->_listen(1);
$self->assert_open;
my $server = $self->io_handle;
my $socket;
while (1) {
$socket = $server->accept;
last unless $self->_fork;
next unless defined $socket;
$SIG{CHLD} = \&REAPER;
my $pid = CORE::fork;
$self->throw("Unable to fork for IO::All::accept")
unless defined $pid;
last unless $pid;
close $socket;
undef $socket;
}
close $server if $self->_fork;
my $io = ref($self)->new->socket_handle($socket);
$io->io_handle($socket);
$io->is_open(1);
return $io;
}
sub shutdown {
my $self = shift;
my $how = @_ ? shift : 2;
my $handle = $self->io_handle;
$handle->shutdown(2)
if defined $handle;
}
sub assert_open {
my $self = shift;
return if $self->is_open;
$self->mode(shift) unless $self->mode;
$self->open;
}
sub open {
my $self = shift;
return if $self->is_open;
$self->is_open(1);
$self->get_socket_domain_port;
my @args = $self->_listen
? (
LocalAddr => $self->domain,
LocalPort => $self->port,
Proto => 'tcp',
Listen => 1,
Reuse => 1,
)
: (
PeerAddr => $self->domain,
PeerPort => $self->port,
Proto => 'tcp',
);
my $socket = IO::Socket::INET->new(@args)
or $self->throw("Can't open socket");
$self->io_handle($socket);
$self->set_binmode;
}
sub get_socket_domain_port {
my $self = shift;
my ($domain, $port);
($domain, $port) = split /:/, $self->name
if defined $self->name;
$self->domain($domain) unless defined $self->domain;
$self->domain($self->domain_default) unless $self->domain;
$self->port($port) unless defined $self->port;
return $self;
}
sub overload_table {
my $self = shift;
(
$self->SUPER::overload_table(@_),
'&{} socket' => 'overload_socket_as_code',
)
}
sub overload_socket_as_code {
my $self = shift;
sub {
my $coderef = shift;
while ($self->is_open) {
$_ = $self->getline;
&$coderef($self);
}
}
}
sub overload_any_from_any {
my $self = shift;
$self->SUPER::overload_any_from_any(@_);
$self->close;
}
sub overload_any_to_any {
my $self = shift;
$self->SUPER::overload_any_to_any(@_);
$self->close;
}
=encoding utf8
=head1 NAME
IO::All::Socket - Socket Support for IO::All
=head1 SYNOPSIS
See L<IO::All>.
=head1 DESCRIPTION
=head1 AUTHOR
Ingy döt Net <ingy@cpan.org>
=head1 COPYRIGHT
Copyright (c) 2004. Brian Ingerson.
Copyright (c) 2006, 2008, 2010. Ingy döt Net.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
See http://www.perl.com/perl/misc/Artistic.html
=cut
1;
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