Mercurial > hg > nginx-tests
view stream_udp_proxy.t @ 1940:aec72dcee93b
Tests: unconditional QUIC datagram expansion with Initial packets.
Used to get rid of "quic UDP datagram is too small for initial packet" messages.
In future, we may need this to reconsider to allow mocking with custom padding,
but for now suppressing such messages is sufficiently good enough.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Mon, 11 Dec 2023 14:01:49 +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(''); } } } ###############################################################################