Mercurial > hg > nginx-tests
view stream_upstream_least_conn.t @ 1477:8b122b35703b
Tests: fixed session reuse tests in ssl_certificate.t with TLSv1.3.
Previously, session data was retrieved too early, before server passed
application data, which usually means NewSessionTicket is not yet sent.
The fix is to ask server for application data, then retrieve a session.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Mon, 20 May 2019 16:00:40 +0300 |
parents | 3fc6817cd84a |
children | f3ba4c74de31 |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Stream tests for upstream least_conn balancer module. ############################################################################### use warnings; use strict; use Test::More; use IO::Select; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; use Test::Nginx::Stream qw/ stream /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/stream stream_upstream_least_conn/)->plan(2) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { upstream u { least_conn; server 127.0.0.1:8081; server 127.0.0.1:8082; } server { listen 127.0.0.1:8080; proxy_pass u; } } EOF $t->run_daemon(\&stream_daemon, port(8081)); $t->run_daemon(\&stream_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; for (1 .. 2) { my $s = stream('127.0.0.1:' . port(8080)); $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 (stream('127.0.0.1:' . port(8080))->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 stream_daemon { my ($port) = @_; my $server = IO::Socket::INET->new( Proto => 'tcp', LocalAddr => '127.0.0.1', LocalPort => $port, Listen => 5, Reuse => 1 ) or die "Can't create listening socket: $!\n"; my $sel = IO::Select->new($server); local $SIG{PIPE} = 'IGNORE'; while (my @ready = $sel->can_read) { foreach my $fh (@ready) { if ($server == $fh) { my $new = $fh->accept; $new->autoflush(1); $sel->add($new); } elsif (stream_handle_client($fh)) { $sel->remove($fh); $fh->close; } } } } sub stream_handle_client { my ($client) = @_; log2c("(new connection $client)"); $client->sysread(my $buffer, 65536) or return 1; log2i("$client $buffer"); my $port = $client->sockport(); if ($buffer =~ /w/ && $port == port(8081)) { Test::Nginx::log_core('||', "$port: sleep(2.5)"); select undef, undef, undef, 2.5; } $buffer = $port; log2o("$client $buffer"); $client->syswrite($buffer); return 1; } sub log2i { Test::Nginx::log_core('|| <<', @_); } sub log2o { Test::Nginx::log_core('|| >>', @_); } sub log2c { Test::Nginx::log_core('||', @_); } ###############################################################################