Mercurial > hg > nginx-tests
view stream_udp_upstream_least_conn.t @ 1021:ebdf239722b9
Tests: relaxed proxy_cache_lock.t nolock tests to fix on Solaris.
Assumed that the order of responses being arrived in nolock case may be ignored.
An important part of such case is that the only last response should be cached.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Fri, 02 Sep 2016 12:17:35 +0300 |
parents | 196d33c2bb45 |
children | 3fc6817cd84a |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Stream tests for upstream least_conn balancer 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_upstream_least_conn udp/) ->plan(2)->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { proxy_responses 1; proxy_timeout 1s; upstream u { least_conn; server 127.0.0.1:%%PORT_8081_UDP%%; server 127.0.0.1:%%PORT_8082_UDP%%; } server { listen 127.0.0.1:%%PORT_8080_UDP%% udp; proxy_pass u; } } EOF $t->run_daemon(\&udp_daemon, port(8081), $t); $t->run_daemon(\&udp_daemon, port(8082), $t); $t->run(); $t->waitforfile($t->testdir . '/' . port(8081)); $t->waitforfile($t->testdir . '/' . port(8082)); ############################################################################### my @ports = my ($port1, $port2) = (port(8081), port(8082)); is(many(10), "$port1: 5, $port2: 5", 'balanced'); my @sockets; for (1 .. 2) { my $s = dgram(); $s->write('w'); push @sockets, $s; } select undef, undef, undef, 0.2; is(many(10), "$port2: 10", 'least_conn'); ############################################################################### sub many { my ($count) = @_; my (%ports); for (1 .. $count) { if (dgram()->io('.') =~ /(\d+)/) { $ports{$1} = 0 unless defined $ports{$1}; $ports{$1}++; } } my @keys = map { my $p = $_; grep { $p == $_ } keys %ports } @ports; return join ', ', map { $_ . ": " . $ports{$_} } @keys; } ############################################################################### sub udp_daemon { my ($port, $t) = @_; 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; while (1) { $server->recv(my $buffer, 65536); my $port = $server->sockport(); if ($buffer =~ /w/ && $port == port(8081)) { select undef, undef, undef, 2.5; } $buffer = $port; $server->send($buffer); } } ###############################################################################