Mercurial > hg > nginx-tests
view stream_udp_limit_conn.t @ 1240:f7eb2875ed45
Tests: avoid interleaved output in Upgrade handling tests.
When the testing script is run in verbose mode by prove that redirects stdout,
a garbled verbose mode line from backend can be produced that incorporates TAP
output of an individual test result, which eventually breaks the testing plan.
Notably, this happens when testing sending multiple frames if backend started
to respond before all frames were received. This is possible due to the line
boundary used as an indicator of last bytes to receive before starting to send.
The fix is to amend the only last frame of many specially, for that purpose.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 15 Nov 2017 20:16:09 +0300 |
parents | e4974af3fb12 |
children | c4f58dfe8207 |
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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'); # if not all responses were sent to client, then new request # in same socket will be treated as new connection is($s->io('1', read_timeout => 0.1), '', 'rejected new connection'); is(dgram('127.0.0.1:' . port(8981))->io('1', read_timeout => 0.1), '', 'rejected same zone'); is(dgram('127.0.0.1:' . port(8982))->io('1'), '1', 'passed different zone'); is(dgram('127.0.0.1:' . port(8983))->io('1'), '1', 'passed same zone unlimited'); sleep 1; # waiting for proxy_timeout to expire is($s->io('2', read => 2), '12', 'new connection 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); } } ###############################################################################