[p5sagit/p5-mst-13.2.git] / ext / IO / t / io_sock.t

#!./perl -w

BEGIN {
    unless(grep /blib/, @INC) {
	chdir 't' if -d 't';
	@INC = '../lib';
    }
}

use Config;

BEGIN {
    my $can_fork = $Config{d_fork} ||
		    (($^O eq 'MSWin32' || $^O eq 'NetWare') and
		     $Config{useithreads} and 
		     $Config{ccflags} =~ /-DPERL_IMPLICIT_SYS/
		    );
    my $reason;
    if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bSocket\b/) {
	$reason = 'Socket extension unavailable';
    }
    elsif ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bIO\b/) {
	$reason = 'IO extension unavailable';
    }
    elsif (!$can_fork) {
        $reason = 'no fork';
    }
    if ($reason) {
	print "1..0 # Skip: $reason\n";
	exit 0;
    }
}

my $has_perlio = $] >= 5.008 && find PerlIO::Layer 'perlio';

$| = 1;
print "1..26\n";

eval {
    $SIG{ALRM} = sub { die; };
    alarm 120;
};

use IO::Socket;

$listen = IO::Socket::INET->new(Listen => 2,
				Proto => 'tcp',
				# some systems seem to need as much as 10,
				# so be generous with the timeout
				Timeout => 15,
			       ) or die "$!";

print "ok 1\n";

# Check if can fork with dynamic extensions (bug in CRT):
if ($^O eq 'os2' and
    system "$^X -I../lib -MOpcode -e 'defined fork or die'  > /dev/null 2>&1") {
    print "ok $_ # skipped: broken fork\n" for 2..5;
    exit 0;
}

$port = $listen->sockport;

if($pid = fork()) {

    $sock = $listen->accept() or die "accept failed: $!";
    print "ok 2\n";

    $sock->autoflush(1);
    print $sock->getline();

    print $sock "ok 4\n";

    $sock->close;

    waitpid($pid,0);

    print "ok 5\n";

} elsif(defined $pid) {

    $sock = IO::Socket::INET->new(PeerPort => $port,
				  Proto => 'tcp',
				  PeerAddr => 'localhost'
				 )
         || IO::Socket::INET->new(PeerPort => $port,
				  Proto => 'tcp',
				  PeerAddr => '127.0.0.1'
				 )
	or die "$! (maybe your system does not have a localhost at all, 'localhost' or 127.0.0.1)";

    $sock->autoflush(1);

    print $sock "ok 3\n";

    print $sock->getline();

    $sock->close;

    exit;
} else {
 die;
}

# Test various other ways to create INET sockets that should
# also work.
$listen = IO::Socket::INET->new(Listen => '', Timeout => 15) or die "$!";
$port = $listen->sockport;

if($pid = fork()) {
  SERVER_LOOP:
    while (1) {
       last SERVER_LOOP unless $sock = $listen->accept;
       while (<$sock>) {
           last SERVER_LOOP if /^quit/;
           last if /^done/;
           print;
       }
       $sock = undef;
    }
    $listen->close;
} elsif (defined $pid) {
    # child, try various ways to connect
    $sock = IO::Socket::INET->new("localhost:$port")
         || IO::Socket::INET->new("127.0.0.1:$port");
    if ($sock) {
	print "not " unless $sock->connected;
	print "ok 6\n";
       $sock->print("ok 7\n");
       sleep(1);
       print "ok 8\n";
       $sock->print("ok 9\n");
       $sock->print("done\n");
       $sock->close;
    }
    else {
	print "# $@\n";
	print "not ok 6\n";
	print "not ok 7\n";
	print "not ok 8\n";
	print "not ok 9\n";
    }

    # some machines seem to suffer from a race condition here
    sleep(2);

    $sock = IO::Socket::INET->new("127.0.0.1:$port");
    if ($sock) {
       $sock->print("ok 10\n");
       $sock->print("done\n");
       $sock->close;
    }
    else {
	print "# $@\n";
	print "not ok 10\n";
    }

    # some machines seem to suffer from a race condition here
    sleep(1);

    $sock = IO::Socket->new(Domain => AF_INET,
                            PeerAddr => "localhost:$port")
         || IO::Socket->new(Domain => AF_INET,
                            PeerAddr => "127.0.0.1:$port");
    if ($sock) {
       $sock->print("ok 11\n");
       $sock->print("quit\n");
    } else {
       print "not ok 11\n";
    }
    $sock = undef;
    sleep(1);
    exit;
} else {
    die;
}

# Then test UDP sockets
$server = IO::Socket->new(Domain => AF_INET,
                          Proto  => 'udp',
                          LocalAddr => 'localhost')
       || IO::Socket->new(Domain => AF_INET,
                          Proto  => 'udp',
                          LocalAddr => '127.0.0.1');
$port = $server->sockport;

if ($pid = fork()) {
    my $buf;
    $server->recv($buf, 100);
    print $buf;
} elsif (defined($pid)) {
    #child
    $sock = IO::Socket::INET->new(Proto => 'udp',
                                  PeerAddr => "localhost:$port")
         || IO::Socket::INET->new(Proto => 'udp',
                                  PeerAddr => "127.0.0.1:$port");
    $sock->send("ok 12\n");
    sleep(1);
    $sock->send("ok 12\n");  # send another one to be sure
    exit;
} else {
    die;
}

print "not " unless $server->blocking;
print "ok 13\n";

if ( $^O eq 'qnx' ) {
  # QNX4 library bug: Can set non-blocking on socket, but
  # cannot return that status.
  print "ok 14 # skipped on QNX4\n";
} else {
  $server->blocking(0);
  print "not " if $server->blocking;
  print "ok 14\n";
}

### TEST 15
### Set up some data to be transfered between the server and
### the client. We'll use own source code ...
#
local @data;
if( !open( SRC, "< $0")) {
    print "not ok 15 - $!\n";
} else {
    @data = <SRC>;
    close(SRC);
    print "ok 15\n";
}

### TEST 16
### Start the server
#
my $listen = IO::Socket::INET->new( Listen => 2, Proto => 'tcp', Timeout => 15) ||
    print "not ";
print "ok 16\n";
die if( !defined( $listen));
my $serverport = $listen->sockport;
my $server_pid = fork();
if( $server_pid) {

    ### TEST 17 Client/Server establishment
    #
    print "ok 17\n";

    ### TEST 18
    ### Get data from the server using a single stream
    #
    $sock = IO::Socket::INET->new("localhost:$serverport")
         || IO::Socket::INET->new("127.0.0.1:$serverport");

    if ($sock) {
	$sock->print("send\n");

	my @array = ();
	while( <$sock>) {
	    push( @array, $_);
	}

	$sock->print("done\n");
	$sock->close;

	print "not " if( @array != @data);
    } else {
	print "not ";
    }
    print "ok 18\n";

    ### TEST 21
    ### Get data from the server using a stream, which is
    ### interrupted by eof calls.
    ### On perl-5.7.0@7673 this failed in a SOCKS environment, because eof
    ### did an getc followed by an ungetc in order to check for the streams
    ### end. getc(3) got replaced by the SOCKS funktion, which ended up in
    ### a recv(2) call on the socket, while ungetc(3) put back a character
    ### to an IO buffer, which never again was read.
    #
    ### TESTS 19,20,21,22
    ### Try to ping-pong some Unicode.
    #
    $sock = IO::Socket::INET->new("localhost:$serverport")
         || IO::Socket::INET->new("127.0.0.1:$serverport");

    if ($has_perlio) {
	print binmode($sock, ":utf8") ? "ok 19\n" : "not ok 19\n";
    } else {
	print "ok 19 - Skip: no perlio\n";
    }

    if ($sock) {

	if ($has_perlio) {
	    $sock->print("ping \x{100}\n");
	    chomp(my $pong = scalar <$sock>);
	    print $pong =~ /^pong (.+)$/ && $1 eq "\x{100}" ?
		"ok 20\n" : "not ok 20\n";

	    $sock->print("ord \x{100}\n");
	    chomp(my $ord = scalar <$sock>);
	    print $ord == 0x100 ?
		"ok 21\n" : "not ok 21\n";

	    $sock->print("chr 0x100\n");
	    chomp(my $chr = scalar <$sock>);
	    print $chr eq "\x{100}" ?
		"ok 22\n" : "not ok 22\n";
	} else {
	    print "ok $_ - Skip: no perlio\n" for 20..22;
	}

	$sock->print("send\n");

	my @array = ();
	while( !eof( $sock ) ){
	    while( <$sock>) {
		push( @array, $_);
		last;
	    }
	}

	$sock->print("done\n");
	$sock->close;

	print "not " if( @array != @data);
    } else {
	print "not ";
    }
    print "ok 23\n";

    ### TEST 24
    ### Stop the server
    #
    $sock = IO::Socket::INET->new("localhost:$serverport")
         || IO::Socket::INET->new("127.0.0.1:$serverport");

    if ($sock) {
	$sock->print("done\n");
	$sock->close;

	print "not " if( 1 != kill 0, $server_pid);
    } else {
	print "not ";
    }
    print "ok 24\n";

} elsif (defined($server_pid)) {
   
    ### Child
    #
    SERVER_LOOP: while (1) {
	last SERVER_LOOP unless $sock = $listen->accept;
	# Do not print ok/not ok for this binmode() since there's
	# a race condition with our client, just die if we fail.
	if ($has_perlio) { binmode($sock, ":utf8") or die }
	while (<$sock>) {
	    last SERVER_LOOP if /^quit/;
	    last if /^done/;
	    if (/^ping (.+)/) {
		print $sock "pong $1\n";
		next;
	    }
	    if (/^ord (.+)/) {
		print $sock ord($1), "\n";
		next;
	    }
	    if (/^chr (.+)/) {
		print $sock chr(hex($1)), "\n";
		next;
	    }
	    if (/^send/) {
		print $sock @data;
		last;
	    }
	    print;
	}
	$sock = undef;
    }
    $listen->close;
    exit 0;

} else {

    ### Fork failed
    #
    print "not ok 17\n";
    die;
}

# test Blocking option in constructor

$sock = IO::Socket::INET->new(Blocking => 0)
    or print "not ";
print "ok 25\n";

if ( $^O eq 'qnx' ) {
  print "ok 26 # skipped on QNX4\n";
  # QNX4 library bug: Can set non-blocking on socket, but
  # cannot return that status.
} else {
  my $status = $sock->blocking;
  print "not " unless defined $status && !$status;
  print "ok 26\n";
}
Commit	Line	Data
ce4f4a1c	1	#!./perl -w
61f2b451	2
61f2b451	3	BEGIN {
7a4c00b4	4	unless(grep /blib/, @INC) {
7a4c00b4	5	chdir 't' if -d 't';
20822f61	6	@INC = '../lib';
7a4c00b4	7	}
	8	}
	9
	10	use Config;
	11
	12	BEGIN {
ec64f737	13	my $can_fork = $Config{d_fork} \|\|
	14	(($^O eq 'MSWin32' \|\| $^O eq 'NetWare') and
	15	$Config{useithreads} and
	16	$Config{ccflags} =~ /-DPERL_IMPLICIT_SYS/
	17	);
90b9a713	18	my $reason;
	19	if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bSocket\b/) {
	20	$reason = 'Socket extension unavailable';
	21	}
	22	elsif ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bIO\b/) {
	23	$reason = 'IO extension unavailable';
	24	}
ec64f737	25	elsif (!$can_fork) {
ec64f737	26	$reason = 'no fork';
90b9a713	27	}
	28	if ($reason) {
	29	print "1..0 # Skip: $reason\n";
	30	exit 0;
61f2b451	31	}
	32	}
	33
16fa8939	34	my $has_perlio = $] >= 5.008 && find PerlIO::Layer 'perlio';
fcdfa64f	35
61f2b451	36	$\| = 1;
0c28a436	37	print "1..26\n";
61f2b451	38
560d348b	39	eval {
	40	$SIG{ALRM} = sub { die; };
	41	alarm 120;
	42	};
	43
61f2b451	44	use IO::Socket;
61f2b451	45
7a4c00b4	46	$listen = IO::Socket::INET->new(Listen => 2,
7a4c00b4	47	Proto => 'tcp',
862b0ad8	48	# some systems seem to need as much as 10,
	49	# so be generous with the timeout
	50	Timeout => 15,
7a4c00b4	51	) or die "$!";
61f2b451	52
7a4c00b4	53	print "ok 1\n";
61f2b451	54
a245ea2d	55	# Check if can fork with dynamic extensions (bug in CRT):
	56	if ($^O eq 'os2' and
	57	system "$^X -I../lib -MOpcode -e 'defined fork or die' > /dev/null 2>&1") {
	58	print "ok $_ # skipped: broken fork\n" for 2..5;
	59	exit 0;
	60	}
	61
7a4c00b4	62	$port = $listen->sockport;
61f2b451	63
7a4c00b4	64	if($pid = fork()) {
61f2b451	65
e197ebb9	66	$sock = $listen->accept() or die "accept failed: $!";
61f2b451	67	print "ok 2\n";
	68
	69	$sock->autoflush(1);
	70	print $sock->getline();
	71
	72	print $sock "ok 4\n";
	73
	74	$sock->close;
	75
	76	waitpid($pid,0);
	77
	78	print "ok 5\n";
61f2b451	79
7a4c00b4	80	} elsif(defined $pid) {
61f2b451	81
	82	$sock = IO::Socket::INET->new(PeerPort => $port,
	83	Proto => 'tcp',
	84	PeerAddr => 'localhost'
9b599b2a	85	)
6e806fe3	86	\|\| IO::Socket::INET->new(PeerPort => $port,
	87	Proto => 'tcp',
	88	PeerAddr => '127.0.0.1'
	89	)
	90	or die "$! (maybe your system does not have a localhost at all, 'localhost' or 127.0.0.1)";
61f2b451	91
61f2b451	92	$sock->autoflush(1);
7a4c00b4	93
61f2b451	94	print $sock "ok 3\n";
7a4c00b4	95
61f2b451	96	print $sock->getline();
7a4c00b4	97
61f2b451	98	$sock->close;
7a4c00b4	99
61f2b451	100	exit;
	101	} else {
	102	die;
	103	}
	104
cf7fe8a2	105	# Test various other ways to create INET sockets that should
cf7fe8a2	106	# also work.
862b0ad8	107	$listen = IO::Socket::INET->new(Listen => '', Timeout => 15) or die "$!";
cf7fe8a2	108	$port = $listen->sockport;
61f2b451	109
cf7fe8a2	110	if($pid = fork()) {
	111	SERVER_LOOP:
	112	while (1) {
	113	last SERVER_LOOP unless $sock = $listen->accept;
	114	while (<$sock>) {
	115	last SERVER_LOOP if /^quit/;
	116	last if /^done/;
	117	print;
	118	}
	119	$sock = undef;
	120	}
	121	$listen->close;
	122	} elsif (defined $pid) {
	123	# child, try various ways to connect
6e806fe3	124	$sock = IO::Socket::INET->new("localhost:$port")
6e806fe3	125	\|\| IO::Socket::INET->new("127.0.0.1:$port");
cf7fe8a2	126	if ($sock) {
	127	print "not " unless $sock->connected;
	128	print "ok 6\n";
	129	$sock->print("ok 7\n");
	130	sleep(1);
	131	print "ok 8\n";
	132	$sock->print("ok 9\n");
	133	$sock->print("done\n");
	134	$sock->close;
	135	}
	136	else {
	137	print "# $@\n";
	138	print "not ok 6\n";
	139	print "not ok 7\n";
	140	print "not ok 8\n";
	141	print "not ok 9\n";
	142	}
	143
	144	# some machines seem to suffer from a race condition here
d6a255e6	145	sleep(2);
cf7fe8a2	146
	147	$sock = IO::Socket::INET->new("127.0.0.1:$port");
	148	if ($sock) {
	149	$sock->print("ok 10\n");
	150	$sock->print("done\n");
	151	$sock->close;
	152	}
	153	else {
	154	print "# $@\n";
	155	print "not ok 10\n";
	156	}
61f2b451	157
cf7fe8a2	158	# some machines seem to suffer from a race condition here
e3e876cf	159	sleep(1);
61f2b451	160
cf7fe8a2	161	$sock = IO::Socket->new(Domain => AF_INET,
6e806fe3	162	PeerAddr => "localhost:$port")
	163	\|\| IO::Socket->new(Domain => AF_INET,
	164	PeerAddr => "127.0.0.1:$port");
cf7fe8a2	165	if ($sock) {
	166	$sock->print("ok 11\n");
	167	$sock->print("quit\n");
9d44748a	168	} else {
9d44748a	169	print "not ok 11\n";
cf7fe8a2	170	}
	171	$sock = undef;
	172	sleep(1);
	173	exit;
	174	} else {
	175	die;
	176	}
	177
	178	# Then test UDP sockets
	179	$server = IO::Socket->new(Domain => AF_INET,
	180	Proto => 'udp',
6e806fe3	181	LocalAddr => 'localhost')
	182	\|\| IO::Socket->new(Domain => AF_INET,
	183	Proto => 'udp',
	184	LocalAddr => '127.0.0.1');
cf7fe8a2	185	$port = $server->sockport;
cf7fe8a2	186
b606c525	187	if ($pid = fork()) {
	188	my $buf;
	189	$server->recv($buf, 100);
	190	print $buf;
	191	} elsif (defined($pid)) {
	192	#child
	193	$sock = IO::Socket::INET->new(Proto => 'udp',
	194	PeerAddr => "localhost:$port")
	195	\|\| IO::Socket::INET->new(Proto => 'udp',
	196	PeerAddr => "127.0.0.1:$port");
	197	$sock->send("ok 12\n");
	198	sleep(1);
	199	$sock->send("ok 12\n"); # send another one to be sure
	200	exit;
cf7fe8a2	201	} else {
b606c525	202	die;
cf7fe8a2	203	}
61f2b451	204
cf7fe8a2	205	print "not " unless $server->blocking;
cf7fe8a2	206	print "ok 13\n";
61f2b451	207
39990a16	208	if ( $^O eq 'qnx' ) {
6dea6691	209	# QNX4 library bug: Can set non-blocking on socket, but
39990a16	210	# cannot return that status.
6dea6691	211	print "ok 14 # skipped on QNX4\n";
39990a16	212	} else {
	213	$server->blocking(0);
	214	print "not " if $server->blocking;
	215	print "ok 14\n";
	216	}
cf829ab0	217
	218	### TEST 15
	219	### Set up some data to be transfered between the server and
	220	### the client. We'll use own source code ...
	221	#
	222	local @data;
	223	if( !open( SRC, "< $0")) {
3c83a670	224	print "not ok 15 - $!\n";
cf829ab0	225	} else {
cf829ab0	226	@data = <SRC>;
fcdfa64f	227	close(SRC);
3c83a670	228	print "ok 15\n";
cf829ab0	229	}
cf829ab0	230
	231	### TEST 16
	232	### Start the server
	233	#
	234	my $listen = IO::Socket::INET->new( Listen => 2, Proto => 'tcp', Timeout => 15) \|\|
	235	print "not ";
	236	print "ok 16\n";
	237	die if( !defined( $listen));
	238	my $serverport = $listen->sockport;
cf829ab0	239	my $server_pid = fork();
	240	if( $server_pid) {
	241
	242	### TEST 17 Client/Server establishment
	243	#
	244	print "ok 17\n";
	245
	246	### TEST 18
	247	### Get data from the server using a single stream
	248	#
	249	$sock = IO::Socket::INET->new("localhost:$serverport")
	250	\|\| IO::Socket::INET->new("127.0.0.1:$serverport");
	251
	252	if ($sock) {
	253	$sock->print("send\n");
	254
	255	my @array = ();
	256	while( <$sock>) {
	257	push( @array, $_);
	258	}
	259
	260	$sock->print("done\n");
	261	$sock->close;
	262
	263	print "not " if( @array != @data);
	264	} else {
	265	print "not ";
	266	}
	267	print "ok 18\n";
	268
ce4f4a1c	269	### TEST 21
cf829ab0	270	### Get data from the server using a stream, which is
	271	### interrupted by eof calls.
	272	### On perl-5.7.0@7673 this failed in a SOCKS environment, because eof
	273	### did an getc followed by an ungetc in order to check for the streams
	274	### end. getc(3) got replaced by the SOCKS funktion, which ended up in
	275	### a recv(2) call on the socket, while ungetc(3) put back a character
	276	### to an IO buffer, which never again was read.
	277	#
0c28a436	278	### TESTS 19,20,21,22
0c28a436	279	### Try to ping-pong some Unicode.
fcdfa64f	280	#
cf829ab0	281	$sock = IO::Socket::INET->new("localhost:$serverport")
	282	\|\| IO::Socket::INET->new("127.0.0.1:$serverport");
	283
ce4f4a1c	284	if ($has_perlio) {
	285	print binmode($sock, ":utf8") ? "ok 19\n" : "not ok 19\n";
	286	} else {
	287	print "ok 19 - Skip: no perlio\n";
	288	}
fcdfa64f	289
cf829ab0	290	if ($sock) {
fcdfa64f	291
	292	if ($has_perlio) {
	293	$sock->print("ping \x{100}\n");
	294	chomp(my $pong = scalar <$sock>);
	295	print $pong =~ /^pong (.+)$/ && $1 eq "\x{100}" ?
ce4f4a1c	296	"ok 20\n" : "not ok 20\n";
0c28a436	297
	298	$sock->print("ord \x{100}\n");
	299	chomp(my $ord = scalar <$sock>);
	300	print $ord == 0x100 ?
	301	"ok 21\n" : "not ok 21\n";
	302
	303	$sock->print("chr 0x100\n");
	304	chomp(my $chr = scalar <$sock>);
	305	print $chr eq "\x{100}" ?
	306	"ok 22\n" : "not ok 22\n";
fcdfa64f	307	} else {
0c28a436	308	print "ok $_ - Skip: no perlio\n" for 20..22;
fcdfa64f	309	}
fcdfa64f	310
cf829ab0	311	$sock->print("send\n");
	312
	313	my @array = ();
	314	while( !eof( $sock ) ){
	315	while( <$sock>) {
	316	push( @array, $_);
	317	last;
	318	}
	319	}
	320
	321	$sock->print("done\n");
	322	$sock->close;
	323
	324	print "not " if( @array != @data);
	325	} else {
	326	print "not ";
	327	}
0c28a436	328	print "ok 23\n";
cf829ab0	329
0c28a436	330	### TEST 24
cf829ab0	331	### Stop the server
	332	#
	333	$sock = IO::Socket::INET->new("localhost:$serverport")
	334	\|\| IO::Socket::INET->new("127.0.0.1:$serverport");
	335
	336	if ($sock) {
	337	$sock->print("done\n");
	338	$sock->close;
	339
	340	print "not " if( 1 != kill 0, $server_pid);
	341	} else {
	342	print "not ";
	343	}
0c28a436	344	print "ok 24\n";
cf829ab0	345
fcdfa64f	346	} elsif (defined($server_pid)) {
cf829ab0	347
	348	### Child
	349	#
	350	SERVER_LOOP: while (1) {
	351	last SERVER_LOOP unless $sock = $listen->accept;
0c28a436	352	# Do not print ok/not ok for this binmode() since there's
0c28a436	353	# a race condition with our client, just die if we fail.
29929b39	354	if ($has_perlio) { binmode($sock, ":utf8") or die }
cf829ab0	355	while (<$sock>) {
	356	last SERVER_LOOP if /^quit/;
	357	last if /^done/;
fcdfa64f	358	if (/^ping (.+)/) {
	359	print $sock "pong $1\n";
	360	next;
	361	}
0c28a436	362	if (/^ord (.+)/) {
	363	print $sock ord($1), "\n";
	364	next;
	365	}
	366	if (/^chr (.+)/) {
	367	print $sock chr(hex($1)), "\n";
	368	next;
	369	}
fcdfa64f	370	if (/^send/) {
cf829ab0	371	print $sock @data;
	372	last;
	373	}
	374	print;
	375	}
	376	$sock = undef;
	377	}
	378	$listen->close;
3c83a670	379	exit 0;
cf829ab0	380
	381	} else {
	382
	383	### Fork failed
	384	#
	385	print "not ok 17\n";
	386	die;
	387	}
	388
3c83a670	389	# test Blocking option in constructor
	390
	391	$sock = IO::Socket::INET->new(Blocking => 0)
	392	or print "not ";
0c28a436	393	print "ok 25\n";
3c83a670	394
6dea6691	395	if ( $^O eq 'qnx' ) {
0c28a436	396	print "ok 26 # skipped on QNX4\n";
6dea6691	397	# QNX4 library bug: Can set non-blocking on socket, but
	398	# cannot return that status.
	399	} else {
	400	my $status = $sock->blocking;
	401	print "not " unless defined $status && !$status;
0c28a436	402	print "ok 26\n";
6dea6691	403	}