Mercurial > hg > nginx-tests
view stream_udp_upstream_least_conn.t @ 1196:68c8f2778c50
Tests: consistent proxy ssl test names.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Wed, 19 Jul 2017 16:21:44 +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); } } ###############################################################################