Mercurial > hg > nginx-tests
view stream_udp_proxy_requests.t @ 1982:fb25cbe9d4ec
Tests: explicit Valgrind support.
Valgrind logging is done to a separate file, as it is not able to
follow stderr redirection within nginx or append to a file without
corrupting it. Further, Valgrind logging seems to interfere with
error suppression in tests, and catches various startup errors and
warnings, so the log is additionally filtered.
Since startup under Valgrind can be really slow, timeout in waitforfile()
was changed to 10 seconds.
Prodded by Robert Mueller.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Fri, 31 May 2024 06:23:00 +0300 |
parents | f3ba4c74de31 |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for stream proxy module, the proxy_requests directive. ############################################################################### 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(26) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% proxy_timeout 2100ms; log_format status $status; server { listen 127.0.0.1:%%PORT_8980_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; proxy_requests 0; } server { listen 127.0.0.1:%%PORT_8981_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; proxy_requests 1; } server { listen 127.0.0.1:%%PORT_8982_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; proxy_requests 2; } server { listen 127.0.0.1:%%PORT_8983_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; } server { listen 127.0.0.1:%%PORT_8984_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8991_UDP%%; proxy_requests 2; access_log %%TESTDIR%%/s.log status; } server { listen 127.0.0.1:%%PORT_8985_UDP%% udp; proxy_pass 127.0.0.1:%%PORT_8990_UDP%%; proxy_requests 2; proxy_responses 2; access_log %%TESTDIR%%/s2.log status; } } EOF $t->run_daemon(\&udp_daemon, $t, port(8990)); $t->run_daemon(\&udp_daemon, $t, port(8991)); $t->run(); $t->waitforfile($t->testdir . '/' . port(8990)); $t->waitforfile($t->testdir . '/' . port(8991)); ############################################################################### # proxy_requests 0, binding is not dropped across streams my $s = dgram('127.0.0.1:' . port(8980)); my $n = $s->io('1', read => 1); ok($n, 'requests 0 create'); is($s->read(), '1', 'requests 0 create - response'); is($s->io('1', read => 1), $n, 'requests 0 second - binding saved'); is($s->read(), '1', 'requests 0 second - response'); is($s->io('1', read => 1), $n, 'requests 0 follow - binding saved'); is($s->read(), '1', 'requests 0 follow - response'); # proxy_requests 1, binding is dropped on every next stream $s = dgram('127.0.0.1:' . port(8981)); $n = $s->io('1', read => 1); ok($n, 'requests 1 create'); is($s->read(), '1', 'requests 1 create - response'); isnt($s->io('1', read => 1), $n, 'requests 1 second - binding lost'); is($s->read(), '1', 'requests 1 second - response'); # proxy_requests 2, binding is dropped on every second stream $s = dgram('127.0.0.1:' . port(8982)); $n = $s->io('1', read => 1); ok($n, 'requests 2 create'); is($s->read(), '1', 'requests 2 create - response'); is($s->io('1', read => 1), $n, 'requests 2 second - binding saved'); is($s->read(), '1', 'requests 2 second - response'); isnt($s->io('1', read => 1), $n, 'requests 2 follow - binding lost'); is($s->read(), '1', 'requests 2 follow - response'); # proxy_requests unset, binding is not dropped across streams $s = dgram('127.0.0.1:' . port(8983)); $n = $s->io('1', read => 1); ok($n, 'requests unset create'); is($s->read(), '1', 'requests unset create - response'); is($s->io('1', read => 1), $n, 'requests unset second - binding saved'); is($s->read(), '1', 'requests unset second - response'); is($s->io('1', read => 1), $n, 'requests unset follow - binding saved'); is($s->read(), '1', 'requests unset follow - response'); # proxy_requests 2, with slow backend # client sends 5 packets, each responded with 3 packets # expects all packets proxied from backend, the last (uneven) session succeed $s = dgram('127.0.0.1:' . port(8984)); $s->write('2') for 1 .. 5; my $b = join ' ', map { $s->read() } (1 .. 15); like($b, qr/^(\d+ 1 2) \1 (?!\1)(\d+ 1 2) \2 (?!\2)\d+ 1 2$/, 'slow backend'); # proxy_requests 2, proxy_responses 2 # client sends 5 packets, each responded with 2 packets # expects all packets proxied from backend, the last (uneven) session succeed $s = dgram('127.0.0.1:' . port(8985)); $s->write('1') for 1 .. 5; $b = join ' ', map { $s->read() } (1 .. 10); SKIP: { skip 'session could early terminate', 1 unless $ENV{TEST_NGINX_UNSAFE}; like($b, qr/^(\d+ 1) \1 (?!\1)(\d+ 1) \2 (?!\2)\d+ 1$/, 'requests - responses'); } $t->stop(); is($t->read_file('s.log'), <<EOF, 'uneven session status - slow backend'); 200 200 200 EOF is($t->read_file('s2.log'), <<EOF, 'uneven session status - responses'); 200 200 200 EOF ############################################################################### sub udp_daemon { my ($t, $port) = @_; my $server = IO::Socket::INET->new( Proto => 'udp', LocalAddr => "127.0.0.1:$port", Reuse => 1 ) or die "Can't create listening socket: $!\n"; # signal we are ready open my $fh, '>', $t->testdir() . "/$port"; close $fh; my $slp = 1 if $port == port(8991); while (1) { $server->recv(my $buffer, 65536); sleep 1, $slp = 0 if $slp; $server->send($server->peerport()); $server->send($_) for (1 .. $buffer); } } ###############################################################################