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