| #!/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 2; |
| |
| 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('||', @_); } |
| |
| ############################################################################### |