Mercurial > hg > nginx-tests
view upstream_hash_memcached.t @ 1825:3629eda94c1b
Tests: handling of EWOULDBLOCK from sysread() with IO::Socket::SSL.
With IO::Socket::SSL, when select() reports that the socket is readable,
reading from it might still fail with EWOULDBLOCK, since no application
data is available in the socket. In particular, this might happen with
TLSv1.3 when a session ticket is received after the handshake. Fix is
to explicitly check for EWOULDBLOCK errors.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 21 Mar 2023 02:57:39 +0300 |
parents | b708848eb49a |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for upstream hash balancer module distribution consistency # with Cache::Memcached and Cache::Memcached::Fast. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; eval { require Cache::Memcached; }; plan(skip_all => 'Cache::Memcached not installed') if $@; eval { require Cache::Memcached::Fast; }; plan(skip_all => 'Cache::Memcached::Fast not installed') if $@; my $t = Test::Nginx->new()->has(qw/http rewrite memcached upstream_hash/) ->has_daemon('memcached')->plan(4); $t->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } http { %%TEST_GLOBALS_HTTP%% upstream memd { hash $arg_a; server 127.0.0.1:8081; server 127.0.0.1:8082; server 127.0.0.1:8083; } upstream memd_c { hash $arg_a consistent; server 127.0.0.1:8081; server 127.0.0.1:8082; server 127.0.0.1:8083; } upstream memd_w { hash $arg_a; server 127.0.0.1:8081 weight=2; server 127.0.0.1:8082 weight=3; server 127.0.0.1:8083; } upstream memd_cw { hash $arg_a consistent; server 127.0.0.1:8081 weight=2; server 127.0.0.1:8082 weight=3; server 127.0.0.1:8083; } server { listen 127.0.0.1:8080; server_name localhost; set $memcached_key $arg_a; location / { memcached_pass memd; } location /c { memcached_pass memd_c; } location /w { memcached_pass memd_w; } location /cw { memcached_pass memd_cw; } } } EOF my $memhelp = `memcached -h`; my @memopts = (); if ($memhelp =~ /repcached/) { # repcached patch adds additional listen socket push @memopts, '-X', '0'; } if ($memhelp =~ /-U/) { # UDP port is on by default in memcached 1.2.7+ push @memopts, '-U', '0'; } $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', port(8081), @memopts); $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', port(8082), @memopts); $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', port(8083), @memopts); $t->run(); $t->waitforsocket('127.0.0.1:' . port(8081)) or die "Can't start memcached"; $t->waitforsocket('127.0.0.1:' . port(8082)) or die "Can't start memcached"; $t->waitforsocket('127.0.0.1:' . port(8083)) or die "Can't start memcached"; ############################################################################### my $memd1 = Cache::Memcached->new(servers => [ '127.0.0.1:' . port(8081) ], connect_timeout => 1.0); my $memd2 = Cache::Memcached->new(servers => [ '127.0.0.1:' . port(8082) ], connect_timeout => 1.0); my $memd3 = Cache::Memcached->new(servers => [ '127.0.0.1:' . port(8083) ], connect_timeout => 1.0); for my $i (1 .. 20) { $memd1->set($i, port(8081)) or die "can't put value into memcached: $!"; $memd2->set($i, port(8082)) or die "can't put value into memcached: $!"; $memd3->set($i, port(8083)) or die "can't put value into memcached: $!"; } my $memd = new Cache::Memcached(servers => [ '127.0.0.1:' . port(8081), '127.0.0.1:' . port(8082), '127.0.0.1:' . port(8083) ]); is_deeply(ngx('/'), mem($memd), 'cache::memcached'); $memd = new Cache::Memcached::Fast({ ketama_points => 160, servers => [ '127.0.0.1:' . port(8081), '127.0.0.1:' . port(8082), '127.0.0.1:' . port(8083)] }); # Cache::Memcached::Fast may be incompatible with recent Perl, # see https://github.com/JRaspass/Cache-Memcached-Fast/issues/12 my $cmf_bug = ! keys %{$memd->server_versions}; SKIP: { skip 'Cache::Memcached::Fast bug', 1 if $cmf_bug; is_deeply(ngx('/c'), mem($memd), 'cache::memcached::fast'); } $memd = new Cache::Memcached(servers => [ [ '127.0.0.1:' . port(8081), 2 ], [ '127.0.0.1:' . port(8082), 3 ], [ '127.0.0.1:' . port(8083), 1 ]]); is_deeply(ngx('/w'), mem($memd), 'cache::memcached weight'); $memd = new Cache::Memcached::Fast({ ketama_points => 160, servers => [ { address => '127.0.0.1:' . port(8081), weight => 2 }, { address => '127.0.0.1:' . port(8082), weight => 3 }, { address => '127.0.0.1:' . port(8083), weight => 1 }] }); SKIP: { skip 'Cache::Memcached::Fast bug', 1 if $cmf_bug; is_deeply(ngx('/cw'), mem($memd), 'cache::memcached::fast weight'); } ############################################################################### sub ngx { my ($uri) = @_; [ map { http_get("/$uri?a=$_") =~ /^(\d+)/ms && $1; } (1 .. 20) ]; } sub mem { my ($memd) = @_; [ map { $memd->get($_); } (1 .. 20) ]; } ###############################################################################