#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
use IO::Socket::IP;
use IO::Socket::INET;
use Socket qw( inet_aton inet_ntoa pack_sockaddr_in unpack_sockaddr_in );
use Errno qw( EINPROGRESS EWOULDBLOCK );
# Some odd locations like BSD jails might not like INADDR_LOOPBACK. We'll
# establish a baseline first to test against
my $INADDR_LOOPBACK = do {
socket my $sockh, PF_INET, SOCK_STREAM, 0 or die "Cannot socket(PF_INET) - $!";
bind $sockh, pack_sockaddr_in( 0, inet_aton( "127.0.0.1" ) ) or die "Cannot bind() - $!";
( unpack_sockaddr_in( getsockname $sockh ) )[1];
};
my $INADDR_LOOPBACK_HOST = inet_ntoa( $INADDR_LOOPBACK );
if( $INADDR_LOOPBACK ne INADDR_LOOPBACK ) {
diag( "Testing with INADDR_LOOPBACK=$INADDR_LOOPBACK_HOST; this may be because of odd networking" );
}
my $testserver = IO::Socket::INET->new(
Listen => 1,
LocalHost => "127.0.0.1",
Type => SOCK_STREAM,
) or die "Cannot listen on PF_INET - $@";
my $socket = IO::Socket::IP->new(
PeerHost => "127.0.0.1",
PeerService => $testserver->sockport,
Type => SOCK_STREAM,
Blocking => 0,
);
ok( defined $socket, 'IO::Socket::IP->new( Blocking => 0 ) constructs a socket' ) or
diag( " error was $@" );
ok( defined $socket->fileno, '$socket has a fileno immediately after construction' );
while( !$socket->connect and ( $! == EINPROGRESS || $! == EWOULDBLOCK ) ) {
my $wvec = '';
vec( $wvec, fileno $socket, 1 ) = 1;
my $evec = '';
vec( $evec, fileno $socket, 1 ) = 1;
select( undef, $wvec, $evec, undef ) or die "Cannot select() - $!";
}
ok( !$!, 'Repeated ->connect eventually succeeds' );
is( $socket->sockdomain, AF_INET, '$socket->sockdomain' );
is( $socket->socktype, SOCK_STREAM, '$socket->socktype' );
is_deeply( [ unpack_sockaddr_in $socket->peername ],
[ unpack_sockaddr_in $testserver->sockname ],
'$socket->peername' );
is( $socket->peerhost, $INADDR_LOOPBACK_HOST, '$socket->peerhost' );
is( $socket->peerport, $testserver->sockport, '$socket->peerport' );
ok( !$socket->blocking, '$socket->blocking' );
done_testing;