Mercurial > hg > nginx-tests
view stream_udp_upstream_least_conn.t @ 930:183a6b1f3fa5
Tests: http ssl tests with multiple certificates (ticket #814).
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Thu, 19 May 2016 19:03:51 +0300 |
parents | d2cb9ed7412e |
children | b9e42c554ba7 |
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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/) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { proxy_responses 1; proxy_timeout 1s; upstream u { least_conn; server 127.0.0.1:8081; server 127.0.0.1:8082; } server { listen 127.0.0.1:8080 udp; proxy_pass u; } } EOF $t->run_daemon(\&udp_daemon, 8081, $t); $t->run_daemon(\&udp_daemon, 8082, $t); $t->try_run('no stream udp')->plan(2); $t->waitforfile($t->testdir . '/8081'); $t->waitforfile($t->testdir . '/8082'); ############################################################################### is(many('.', 10), '8081: 5, 8082: 5', 'balanced'); my @sockets; for (1 .. 2) { my $s = dgram(); $s->write('w'); push @sockets, $s; } select undef, undef, undef, 0.2; is(many('.', 10), '8082: 10', 'least_conn'); ############################################################################### sub many { my ($data, $count, %opts) = @_; my (%ports); for (1 .. $count) { if (dgram()->io($data) =~ /(\d+)/) { $ports{$1} = 0 unless defined $ports{$1}; $ports{$1}++; } } return join ', ', map { $_ . ": " . $ports{$_} } sort keys %ports; } ############################################################################### 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 == 8081) { select undef, undef, undef, 2.5; } $buffer = $port; $server->send($buffer); } } ###############################################################################