1#!/usr/bin/perl 2 3use v5; 4use strict; 5use warnings; 6 7use Test::More; 8 9use IO::Socket::IP; 10 11use IO::Socket::INET; 12use Socket qw( inet_aton inet_ntoa pack_sockaddr_in unpack_sockaddr_in ); 13use Errno qw( EINPROGRESS EWOULDBLOCK ); 14 15# Some odd locations like BSD jails might not like INADDR_LOOPBACK. We'll 16# establish a baseline first to test against 17my $INADDR_LOOPBACK = do { 18 socket my $sockh, PF_INET, SOCK_STREAM, 0 or die "Cannot socket(PF_INET) - $!"; 19 bind $sockh, pack_sockaddr_in( 0, inet_aton( "127.0.0.1" ) ) or die "Cannot bind() - $!"; 20 ( unpack_sockaddr_in( getsockname $sockh ) )[1]; 21}; 22my $INADDR_LOOPBACK_HOST = inet_ntoa( $INADDR_LOOPBACK ); 23if( $INADDR_LOOPBACK ne INADDR_LOOPBACK ) { 24 diag( "Testing with INADDR_LOOPBACK=$INADDR_LOOPBACK_HOST; this may be because of odd networking" ); 25} 26 27my $testserver = IO::Socket::INET->new( 28 Listen => 1, 29 LocalHost => "127.0.0.1", 30 Type => SOCK_STREAM, 31) or die "Cannot listen on PF_INET - $@"; 32 33my $socket = IO::Socket::IP->new( 34 PeerHost => "127.0.0.1", 35 PeerService => $testserver->sockport, 36 Type => SOCK_STREAM, 37 Blocking => 0, 38); 39 40ok( defined $socket, 'IO::Socket::IP->new( Blocking => 0 ) constructs a socket' ) or 41 diag( " error was $@" ); 42 43ok( defined $socket->fileno, '$socket has a fileno immediately after construction' ); 44 45while( !$socket->connect and ( $! == EINPROGRESS || $! == EWOULDBLOCK ) ) { 46 my $wvec = ''; 47 vec( $wvec, fileno $socket, 1 ) = 1; 48 my $evec = ''; 49 vec( $evec, fileno $socket, 1 ) = 1; 50 51 select( undef, $wvec, $evec, undef ) or die "Cannot select() - $!"; 52} 53 54ok( !$!, 'Repeated ->connect eventually succeeds' ); 55 56is( $socket->sockdomain, AF_INET, '$socket->sockdomain' ); 57is( $socket->socktype, SOCK_STREAM, '$socket->socktype' ); 58 59is_deeply( [ unpack_sockaddr_in $socket->peername ], 60 [ unpack_sockaddr_in $testserver->sockname ], 61 '$socket->peername' ); 62 63is( $socket->peerhost, $INADDR_LOOPBACK_HOST, '$socket->peerhost' ); 64is( $socket->peerport, $testserver->sockport, '$socket->peerport' ); 65 66ok( !$socket->blocking, '$socket->blocking' ); 67 68done_testing; 69