blob: 51174ed1aeff0d414df259009e84e3726cc285a8 [file] [log] [blame]
#!/usr/bin/perl
# (C) Nginx, Inc.
# Tests for stream proxy module with datagrams.
###############################################################################
use warnings;
use strict;
use Test::More;
BEGIN { use FindBin; chdir($FindBin::Bin); }
use lib 'lib';
use Test::Nginx;
use Test::Nginx::Stream qw/ dgram /;
###############################################################################
select STDERR; $| = 1;
select STDOUT; $| = 1;
my $t = Test::Nginx->new()->has(qw/stream udp/)->plan(8)
->write_file_expand('nginx.conf', <<'EOF');
%%TEST_GLOBALS%%
daemon off;
events {
}
stream {
%%TEST_GLOBALS_STREAM%%
proxy_timeout 1s;
server {
listen 127.0.0.1:%%PORT_8980_UDP%% udp;
proxy_pass 127.0.0.1:%%PORT_8981_UDP%%;
proxy_responses 0;
}
server {
listen 127.0.0.1:%%PORT_8982_UDP%% udp;
proxy_pass 127.0.0.1:%%PORT_8981_UDP%%;
proxy_responses 2;
}
server {
listen 127.0.0.1:%%PORT_8983_UDP%% udp;
proxy_pass 127.0.0.1:%%PORT_8981_UDP%%;
}
}
EOF
$t->run_daemon(\&udp_daemon, port(8981), $t);
$t->run();
$t->waitforfile($t->testdir . '/' . port(8981));
###############################################################################
my $s = dgram('127.0.0.1:' . port(8980));
is($s->io('1', read => 1, read_timeout => 0.5), '', 'proxy responses 0');
$s = dgram('127.0.0.1:' . port(8982));
is($s->io('1'), '1', 'proxy responses 1');
$s = dgram('127.0.0.1:' . port(8982));
is($s->io('2', read => 2), '12', 'proxy responses 2');
$s = dgram('127.0.0.1:' . port(8983));
is($s->io('3', read => 3), '123', 'proxy responses default');
# zero-length payload
$s = dgram('127.0.0.1:' . port(8982));
$s->write('');
is($s->read(), 'zero', 'upstream read zero bytes');
is($s->read(), '', 'upstream sent zero bytes');
$s->write('');
is($s->read(), 'zero', 'upstream read zero bytes again');
is($s->read(), '', 'upstream sent zero bytes again');
###############################################################################
sub udp_daemon {
my ($port, $t) = @_;
my $server = IO::Socket::INET->new(
Proto => 'udp',
LocalAddr => '127.0.0.1:' . port(8981),
Reuse => 1,
)
or die "Can't create listening socket: $!\n";
# signal we are ready
open my $fh, '>', $t->testdir() . '/' . port(8981);
close $fh;
while (1) {
$server->recv(my $buffer, 65536);
if (length($buffer) > 0) {
$server->send($_) for (1 .. $buffer);
} else {
$server->send('zero');
select undef, undef, undef, 0.2;
$server->send('');
}
}
}
###############################################################################