blob: 977fb4ecb7cb9d5475423737d8ccf205fc9eca40 [file] [log] [blame]
#!/usr/bin/perl
# (C) Andrey Zelenkov
# (C) Nginx, Inc.
# Tests for stream limit_conn 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 stream_limit_conn udp/)->plan(9)
->write_file_expand('nginx.conf', <<'EOF');
%%TEST_GLOBALS%%
daemon off;
events {
}
stream {
limit_conn_zone $binary_remote_addr zone=zone:1m;
limit_conn_zone $binary_remote_addr zone=zone2:1m;
proxy_responses 1;
proxy_timeout 1s;
server {
listen 127.0.0.1:%%PORT_8981_UDP%% udp;
proxy_pass 127.0.0.1:%%PORT_8980_UDP%%;
limit_conn zone 1;
proxy_responses 2;
}
server {
listen 127.0.0.1:%%PORT_8982_UDP%% udp;
proxy_pass 127.0.0.1:%%PORT_8980_UDP%%;
limit_conn zone2 1;
}
server {
listen 127.0.0.1:%%PORT_8983_UDP%% udp;
proxy_pass 127.0.0.1:%%PORT_8980_UDP%%;
limit_conn zone 5;
}
server {
listen 127.0.0.1:%%PORT_8984_UDP%% udp;
proxy_pass 127.0.0.1:%%PORT_8981_UDP%%;
limit_conn zone2 1;
}
server {
listen 127.0.0.1:%%PORT_8985_UDP%% udp;
proxy_pass 127.0.0.1:%%PORT_8981_UDP%%;
limit_conn zone 1;
}
}
EOF
$t->run();
$t->run_daemon(\&udp_daemon, $t);
$t->waitforfile($t->testdir . '/' . port(8980));
###############################################################################
# same and other zones
my $s = dgram('127.0.0.1:' . port(8981));
is($s->io('1'), '1', 'passed');
# regardless of incomplete responses, new requests in the same
# socket will be treated as requests in existing session
is($s->io('1', read_timeout => 0.4), '1', 'passed new request');
is(dgram('127.0.0.1:' . port(8981))->io('1', read_timeout => 0.1), '',
'rejected new session');
is(dgram('127.0.0.1:' . port(8982))->io('1'), '1', 'passed different zone');
is(dgram('127.0.0.1:' . port(8983))->io('1'), '1', 'passed same zone unlimited');
sleep 1; # waiting for proxy_timeout to expire
is($s->io('2', read => 2), '12', 'new session after proxy_timeout');
is(dgram('127.0.0.1:' . port(8981))->io('2', read => 2), '12', 'passed 2');
# zones proxy chain
is(dgram('127.0.0.1:' . port(8984))->io('1'), '1', 'passed proxy');
is(dgram('127.0.0.1:' . port(8985))->io('1', read_timeout => 0.1), '',
'rejected proxy');
###############################################################################
sub udp_daemon {
my $t = shift;
my $server = IO::Socket::INET->new(
Proto => 'udp',
LocalAddr => '127.0.0.1:' . port(8980),
Reuse => 1,
)
or die "Can't create listening socket: $!\n";
# signal we are ready
open my $fh, '>', $t->testdir() . '/' . port(8980);
close $fh;
while (1) {
$server->recv(my $buffer, 65536);
$server->send($_) for (1 .. $buffer);
}
}
###############################################################################