Mercurial > hg > nginx-tests
view stream_udp_limit_conn.t @ 1574:42e37e0434d5
Tests: stream udp tests with zero-length payload (ticket #1982).
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Wed, 10 Jun 2020 15:35:20 +0300 |
parents | 144c6ce732e4 |
children | f3ba4c74de31 |
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#!/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); } } ###############################################################################