Mercurial > hg > nginx-tests
view upstream_least_conn.t @ 1940:aec72dcee93b
Tests: unconditional QUIC datagram expansion with Initial packets.
Used to get rid of "quic UDP datagram is too small for initial packet" messages.
In future, we may need this to reconsider to allow mocking with custom padding,
but for now suppressing such messages is sufficiently good enough.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Mon, 11 Dec 2023 14:01:49 +0400 |
parents | 882267679006 |
children |
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#!/usr/bin/perl # (C) Maxim Dounin # Tests for upstream least_conn balancer module. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx qw/ :DEFAULT http_end /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/http proxy upstream_least_conn/)->plan(2); $t->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } http { %%TEST_GLOBALS_HTTP%% upstream u { least_conn; server 127.0.0.1:8081; server 127.0.0.1:8082; } server { listen 127.0.0.1:8080; server_name localhost; location / { proxy_pass http://u; } } } EOF $t->run_daemon(\&http_daemon, port(8081)); $t->run_daemon(\&http_daemon, port(8082)); $t->run(); $t->waitforsocket('127.0.0.1:' . port(8081)); $t->waitforsocket('127.0.0.1:' . port(8082)); ############################################################################### my @ports = my ($port1, $port2) = (port(8081), port(8082)); is(many('/', 10), "$port1: 5, $port2: 5", 'balanced'); my @sockets; push(@sockets, http_get('/w', start => 1)); push(@sockets, http_get('/w', start => 1)); select undef, undef, undef, 0.2; is(many('/w', 10), "$port2: 10", 'least conn'); ############################################################################### sub many { my ($uri, $count) = @_; my %ports; for (1 .. $count) { if (http_get($uri) =~ /X-Port: (\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 http_daemon { my ($port) = @_; my $server = IO::Socket::INET->new( Proto => 'tcp', LocalHost => '127.0.0.1', LocalPort => $port, Listen => 5, Reuse => 1 ) or die "Can't create listening socket: $!\n"; local $SIG{PIPE} = 'IGNORE'; while (my $client = $server->accept()) { $client->autoflush(1); my $headers = ''; my $uri = ''; while (<$client>) { $headers .= $_; last if (/^\x0d?\x0a?$/); } $uri = $1 if $headers =~ /^\S+\s+([^ ]+)\s+HTTP/i; if ($uri eq '/w' && $port == port(8081)) { Test::Nginx::log_core('||', "$port: sleep(2.5)"); select undef, undef, undef, 2.5; } Test::Nginx::log_core('||', "$port: response, 200"); print $client <<EOF; HTTP/1.1 200 OK Connection: close X-Port: $port OK EOF close $client; } } ###############################################################################