The Perl and Raku Conference 2025: Greenville, South Carolina - June 27-29 Learn more

#!/usr/bin/perl
use v5.14;
foreach my $socktype (qw( SOCK_STREAM SOCK_DGRAM )) {
my $testserver = IO::Socket::IP->new(
( $socktype eq "SOCK_STREAM" ? ( Listen => 1 ) : () ),
LocalHost => "127.0.0.1",
LocalPort => "0",
Type => Socket->$socktype,
) or die "Cannot listen on PF_INET - $IO::Socket::errstr";
my $socket = IO::Socket::IP->new(
PeerHost => "127.0.0.1",
PeerService => $testserver->sockport,
Type => Socket->$socktype,
) or die "Cannot connect on PF_INET - $IO::Socket::errstr";
my $testclient = ( $socktype eq "SOCK_STREAM" ) ?
$testserver->accept :
do { $testserver->connect( $socket->sockname ); $testserver };
is( $testclient->sockport, $socket->peerport, "\$testclient->sockport for $socktype" );
is( $testclient->peerport, $socket->sockport, "\$testclient->peerport for $socktype" );
is( $testclient->sockhost, $socket->peerhost, "\$testclient->sockhost for $socktype" );
is( $testclient->peerhost, $socket->sockhost, "\$testclient->peerhost for $socktype" );
$socket->write( "Request\n" );
is( $testclient->getline, "Request\n", "\$socket to \$testclient for $socktype" );
$testclient->write( "Response\n" );
is( $socket->getline, "Response\n", "\$testclient to \$socket for $socktype" );
}
done_testing;