blob: 58918aaf29885fe0c702a83c4c0772a3639c99f5 [file] [log] [blame]
#!/usr/bin/perl
# (C) Sergey Kandaurov
# (C) Nginx, Inc.
# Stream tests for upstream module and balancers.
###############################################################################
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/)
->write_file_expand('nginx.conf', <<'EOF');
%%TEST_GLOBALS%%
daemon off;
events {
}
stream {
log_format bytes $upstream_addr!
$upstream_bytes_sent!$upstream_bytes_received;
upstream u {
server 127.0.0.1:8084;
server 127.0.0.1:8085;
}
upstream u2 {
server 127.0.0.1:8086 down;
server 127.0.0.1:8086;
server 127.0.0.1:8084;
server 127.0.0.1:8085;
}
upstream u3 {
server 127.0.0.1:8084;
server 127.0.0.1:8085 weight=2;
}
upstream u4 {
server 127.0.0.1:8086 fail_timeout=1s;
server 127.0.0.1:8084 backup;
}
proxy_connect_timeout 1s;
server {
listen 127.0.0.1:8080;
proxy_pass u;
}
server {
listen 127.0.0.1:8081;
proxy_pass u2;
}
server {
listen 127.0.0.1:8082;
proxy_pass u3;
}
server {
listen 127.0.0.1:8083;
proxy_pass u4;
access_log %%TESTDIR%%/u.log bytes;
}
}
EOF
$t->run_daemon(\&stream_daemon, port(8084));
$t->run_daemon(\&stream_daemon, port(8085));
$t->run()->plan(6);
$t->waitforsocket('127.0.0.1:' . port(8084));
$t->waitforsocket('127.0.0.1:' . port(8085));
###############################################################################
my @ports = my ($port4, $port5, $port6) = (port(8084), port(8085), port(8086));
is(many(30, port(8080)), "$port4: 15, $port5: 15", 'balanced');
is(many(30, port(8081)), "$port4: 15, $port5: 15", 'failures');
is(many(30, port(8082)), "$port4: 10, $port5: 20", 'weight');
is(many(30, port(8083)), "$port4: 30", 'backup');
$t->run_daemon(\&stream_daemon, port(8086));
$t->waitforsocket('127.0.0.1:' . port(8086));
sleep 2; # wait till fail_timeout passes
is(parallel(30, port(8083)), "$port6: 30", 'recovery');
$t->stop();
like($t->read_file('u.log'), qr/127.0.0.1:$port6, 127.0.0.1:$port4!0, 1!0, 4/,
'per-upstream variables');
###############################################################################
sub many {
my ($count, $port) = @_;
my (%ports);
for (1 .. $count) {
if (stream("127.0.0.1:$port")->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 parallel {
my ($count, $port) = @_;
my (%ports, @s);
for (1 .. $count) {
my $s = stream("127.0.0.1:$port");
$s->write('keep');
$s->read();
push @s, $s;
}
for (1 .. $count) {
if ((pop @s)->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 $close = $buffer ne 'keep';
$buffer = $client->sockport();
log2o("$client $buffer");
$client->syswrite($buffer);
return $close;
}
sub log2i { Test::Nginx::log_core('|| <<', @_); }
sub log2o { Test::Nginx::log_core('|| >>', @_); }
sub log2c { Test::Nginx::log_core('||', @_); }
###############################################################################