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