| #!/usr/bin/perl |
| |
| # (C) Sergey Kandaurov |
| # (C) Nginx, Inc. |
| |
| # Stream tests for upstream hash 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_hash/)->plan(4); |
| |
| $t->write_file_expand('nginx.conf', <<'EOF'); |
| |
| %%TEST_GLOBALS%% |
| |
| daemon off; |
| |
| events { |
| } |
| |
| stream { |
| upstream hash { |
| hash $remote_addr; |
| server 127.0.0.1:8082; |
| server 127.0.0.1:8083; |
| } |
| |
| upstream cons { |
| hash $remote_addr consistent; |
| server 127.0.0.1:8082; |
| server 127.0.0.1:8083; |
| } |
| |
| upstream empty { |
| hash $proxy_protocol_addr; |
| server 127.0.0.1:8082; |
| server 127.0.0.1:8083; |
| } |
| |
| upstream cempty { |
| hash $proxy_protocol_addr consistent; |
| server 127.0.0.1:8082; |
| server 127.0.0.1:8083; |
| } |
| |
| server { |
| listen 127.0.0.1:8080; |
| proxy_pass hash; |
| } |
| |
| server { |
| listen 127.0.0.1:8081; |
| proxy_pass cons; |
| } |
| |
| server { |
| listen 127.0.0.1:8084; |
| proxy_pass empty; |
| } |
| |
| server { |
| listen 127.0.0.1:8085; |
| proxy_pass cempty; |
| } |
| } |
| |
| EOF |
| |
| $t->run_daemon(\&stream_daemon, port(8082)); |
| $t->run_daemon(\&stream_daemon, port(8083)); |
| $t->run(); |
| |
| $t->waitforsocket('127.0.0.1:' . port(8082)); |
| $t->waitforsocket('127.0.0.1:' . port(8083)); |
| |
| ############################################################################### |
| |
| my @ports = my ($port2, $port3) = (port(8082), port(8083)); |
| |
| is(many(10, port(8080)), "$port3: 10", 'hash'); |
| like(many(10, port(8081)), qr/($port2|$port3): 10/, 'hash consistent'); |
| |
| # fallback to round-robin |
| |
| TODO: { |
| local $TODO = 'not yet' unless $t->has_version('1.17.1'); |
| |
| like(many(4, port(8084)), qr/$port2: 2, $port3: 2/, 'empty key'); |
| like(many(4, port(8085)), qr/$port2: 2, $port3: 2/, 'empty key - consistent'); |
| |
| } |
| |
| ############################################################################### |
| |
| sub many { |
| my ($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 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"); |
| |
| $buffer = $client->sockport(); |
| |
| log2o("$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('||', @_); } |
| |
| ############################################################################### |