view stream_udp_proxy.t @ 1933:9bafe7cddd3c

Tests: improved QUIC key update tests with old keys. On unsuccessful protection removal, it is now retried with old keys. Otherwise, old keys are removed to ensure they're no longer in use.
author Sergey Kandaurov <pluknet@nginx.com>
date Mon, 21 Aug 2023 17:26:47 +0400
parents 5ac6efbe5552
children
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#!/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('');
		}
	}
}

###############################################################################