io_udp.t revision 1.1.1.3 
1#!./perl
2
3BEGIN {
4    require($ENV{PERL_CORE} ? '../../t/test.pl' : './t/test.pl');
5
6    use Config;
7    my $reason;
8    if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bSocket\b/) {
9      $reason = 'Socket was not built';
10    }
11    elsif ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bIO\b/) {
12      $reason = 'IO was not built';
13    }
14    undef $reason if $^O eq 'VMS' and $Config{d_socket};
15    skip_all($reason) if $reason;
16}
17
18use strict;
19
20sub compare_addr {
21    no utf8;
22    my $a = shift;
23    my $b = shift;
24    if (length($a) != length $b) {
25	my $min = (length($a) < length $b) ? length($a) : length $b;
26	if ($min and substr($a, 0, $min) eq substr($b, 0, $min)) {
27	    printf "# Apparently: %d bytes junk at the end of %s\n# %s\n",
28		abs(length($a) - length ($b)),
29		$_[length($a) < length ($b) ? 1 : 0],
30		"consider decreasing bufsize of recfrom.";
31	    substr($a, $min) = "";
32	    substr($b, $min) = "";
33	}
34	return 0;
35    }
36    my @a = unpack_sockaddr_in($a);
37    my @b = unpack_sockaddr_in($b);
38    "$a[0]$a[1]" eq "$b[0]$b[1]";
39}
40
41plan(15);
42watchdog(15);
43
44use Socket;
45use IO::Socket qw(AF_INET SOCK_DGRAM INADDR_ANY);
46
47my $udpa = IO::Socket::INET->new(Proto => 'udp', LocalAddr => 'localhost')
48     || IO::Socket::INET->new(Proto => 'udp', LocalAddr => '127.0.0.1')
49    or die "$! (maybe your system does not have a localhost at all, 'localhost' or 127.0.0.1)";
50ok(1);
51
52my $udpb = IO::Socket::INET->new(Proto => 'udp', LocalAddr => 'localhost')
53     || IO::Socket::INET->new(Proto => 'udp', LocalAddr => '127.0.0.1')
54    or die "$! (maybe your system does not have a localhost at all, 'localhost' or 127.0.0.1)";
55ok(1);
56
57$udpa->send('BORK', 0, $udpb->sockname);
58
59ok(compare_addr($udpa->peername,$udpb->sockname, 'peername', 'sockname'));
60
61my $buf;
62my $where = $udpb->recv($buf="", 4);
63is($buf, 'BORK');
64
65my @xtra = ();
66
67if (! ok(compare_addr($where,$udpa->sockname, 'recv name', 'sockname'))) {
68    @xtra = (0, $udpa->sockname);
69}
70
71$udpb->send('FOObar', @xtra);
72$udpa->recv($buf="", 6);
73is($buf, 'FOObar');
74
75{
76    # check the TO parameter passed to $sock->send() is honoured for UDP sockets
77    # [perl #133936]
78    my $udpc = IO::Socket::INET->new(Proto => 'udp', LocalAddr => 'localhost')
79      || IO::Socket::INET->new(Proto => 'udp', LocalAddr => '127.0.0.1')
80      or die "$! (maybe your system does not have a localhost at all, 'localhost' or 127.0.0.1)";
81    pass("created C socket");
82
83    ok($udpc->connect($udpa->sockname), "connect C to A");
84
85    ok($udpc->connected, "connected a UDP socket");
86
87    ok($udpc->send("fromctoa"), "send to a");
88
89    ok($udpa->recv($buf = "", 8), "recv it");
90    is($buf, "fromctoa", "check value received");
91
92  SKIP:
93    {
94        $^O eq "linux"
95	  or skip "This is non-portable, known to 'work' on Linux", 3;
96        ok($udpc->send("fromctob", 0, $udpb->sockname), "send to non-connected socket");
97        ok($udpb->recv($buf = "", 8), "recv it");
98        is($buf, "fromctob", "check value received");
99    }
100}
101
102exit(0);
103
104# EOF
105