Mercurial > hg > nginx-tests
view stream_limit_rate2.t @ 1677:f13ead27f89c
Tests: improved stop() to send TERM after QUIT.
It is possible that graceful stop as initiated by SIGQUIT will take
very long time, such as when waiting for proxy_timeout in mail proxy
(defaults to 24h). To make sure in such cases nginx is stopped after
some reasonable time, we now send SIGTERM after waiting for 90 seconds.
Note that win32 version previously used "-s stop", which is equivalent
to SIGTERM rather than SIGQUIT. This seems accidental error during
introduction of initial win32 support in tests (ce2e23daa1da), so
it is changed to follow the same logic.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 19 May 2021 04:32:55 +0300 |
parents | f3ba4c74de31 |
children | 5ac6efbe5552 |
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#!/usr/bin/perl # (C) Andrey Zelenkov # (C) Nginx, Inc. # Tests for stream proxy module, limit rate directives, variables support. ############################################################################### use warnings; use strict; use Test::More; use IO::Select; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; use Test::Nginx::Stream qw/ stream /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/stream stream_map/) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% # download and upload rates are set equal to the maximum # number of bytes transmitted # proxy_download_rate value comes from following calculations: # test string length (1000) + whitespace (1) + time string length (10) map $server_port $down { default 1011; %%PORT_8082%% 0; %%PORT_8083%% 1; %%PORT_8085%% 250; } map $server_port $up { default 1000; %%PORT_8082%% 0; %%PORT_8084%% 1; %%PORT_8086%% 250; } proxy_download_rate $down; proxy_upload_rate $up; server { listen 127.0.0.1:8081; proxy_pass 127.0.0.1:8080; } server { listen 127.0.0.1:8082; proxy_pass 127.0.0.1:8080; proxy_download_rate $down; proxy_upload_rate $up; } server { listen 127.0.0.1:8083; proxy_pass 127.0.0.1:8080; proxy_download_rate $down; } server { listen 127.0.0.1:8084; proxy_pass 127.0.0.1:8080; proxy_upload_rate $up; } server { listen 127.0.0.1:8085; proxy_pass 127.0.0.1:8080; proxy_download_rate $down; } server { listen 127.0.0.1:8086; proxy_pass 127.0.0.1:8087; proxy_upload_rate $up; } } EOF $t->run_daemon(\&stream_daemon, port(8080)); $t->run_daemon(\&stream_daemon, port(8087)); $t->try_run('no proxy_download_rate variables')->plan(9); $t->waitforsocket('127.0.0.1:' . port(8080)); $t->waitforsocket('127.0.0.1:' . port(8087)); ############################################################################### my $str = '1234567890' x 100; my %r = response($str, peer => '127.0.0.1:' . port(8081)); is($r{'data'}, $str, 'exact limit'); %r = response($str . 'extra', peer => '127.0.0.1:' . port(8082)); is($r{'data'}, $str . 'extra', 'unlimited'); SKIP: { skip 'unsafe on VM', 3 unless $ENV{TEST_NGINX_UNSAFE}; # if interaction between backend and client is slow then proxy can add extra # bytes to upload/download data %r = response($str . 'extra', peer => '127.0.0.1:' . port(8081)); is($r{'data'}, $str, 'limited'); %r = response($str, peer => '127.0.0.1:' . port(8083), readonce => 1); is($r{'data'}, '1', 'download - one byte'); %r = response($str, peer => '127.0.0.1:' . port(8084)); is($r{'data'}, '1', 'upload - one byte'); } # Five chunks are split with four 1s delays: # the first four chunks are quarters of test string # and the fifth one is some extra data from backend. %r = response($str, peer => '127.0.0.1:' . port(8085)); my $diff = time() - $r{'time'}; cmp_ok($diff, '>=', 4, 'download - time'); is($r{'data'}, $str, 'download - data'); my $time = time(); %r = response($str . 'close', peer => '127.0.0.1:' . port(8086)); $diff = time() - $time; cmp_ok($diff, '>=', 4, 'upload - time'); is($r{'data'}, $str . 'close', 'upload - data'); ############################################################################### sub response { my ($data, %extra) = @_; my $s = stream($extra{peer}); $s->write($data); $data = ''; while (1) { my $buf = $s->read(); last unless length($buf); $data .= $buf; last if $extra{'readonce'}; } $data =~ /([\S]*)\s?(\d+)?/; return ('data' => $1, 'time' => $2) } ############################################################################### sub stream_daemon { my $port = shift; my $server = IO::Socket::INET->new( Proto => 'tcp', LocalAddr => '127.0.0.1', LocalPort => $port, Listen => 5, Reuse => 1 ) or die "Can't create listening socket: $!\n"; my $sel = IO::Select->new($server); local $SIG{PIPE} = 'IGNORE'; while (my @ready = $sel->can_read) { foreach my $fh (@ready) { if ($server == $fh) { my $new = $fh->accept; $new->autoflush(1); $sel->add($new); } elsif (stream_handle_client($fh)) { $sel->remove($fh); $fh->close; } } } } sub stream_handle_client { my ($client) = @_; log2c("(new connection $client)"); $client->sysread(my $buffer, 65536) or return 1; log2i("$client $buffer"); $buffer .= " " . time() if $client->sockport() eq port(8080); log2o("$client $buffer"); $client->syswrite($buffer); return $client->sockport() eq port(8080) ? 1 : $buffer =~ /close/; } sub log2i { Test::Nginx::log_core('|| <<', @_); } sub log2o { Test::Nginx::log_core('|| >>', @_); } sub log2c { Test::Nginx::log_core('||', @_); } ###############################################################################