# HG changeset patch # User Sergey Kandaurov # Date 1429708004 -10800 # Node ID ba6cc90e3d6788fbe4b9e17bfd05f3276fb8a030 # Parent 4cc65166509e61d4e8c924c7d5cc23db58afaa3e Tests: basic stream proxy tests. diff --git a/stream_proxy.t b/stream_proxy.t new file mode 100644 --- /dev/null +++ b/stream_proxy.t @@ -0,0 +1,162 @@ +#!/usr/bin/perl + +# (C) Sergey Kandaurov +# (C) Nginx, Inc. + +# Tests for stream proxy module. + +############################################################################### + +use warnings; +use strict; + +use Test::More; + +use IO::Select; + +BEGIN { use FindBin; chdir($FindBin::Bin); } + +use lib 'lib'; +use Test::Nginx; + +############################################################################### + +select STDERR; $| = 1; +select STDOUT; $| = 1; + +my $t = Test::Nginx->new()->has(qw/stream/)->plan(4) + ->write_file_expand('nginx.conf', <<'EOF'); + +%%TEST_GLOBALS%% + +daemon off; + +events { +} + +stream { + server { + listen 127.0.0.1:8080; + proxy_pass 127.0.0.1:8081; + proxy_connect_timeout 1s; + } +} + +EOF + +$t->run_daemon(\&stream_daemon); +$t->run()->waitforsocket('127.0.0.1:8081'); + +############################################################################### + +my $s = stream_connect(); + +stream_write($s, 'foo1'); +is(stream_read($s), 'bar1', 'proxy connection'); + +stream_write($s, 'foo3'); +is(stream_read($s), 'bar3', 'proxy connection again'); + +stream_write($s, 'close'); +is(stream_read($s), 'close', 'proxy connection close'); + +stream_write($s, 'test'); +is(stream_read($s), '', 'proxy connection closed'); + +############################################################################### + +sub stream_connect { + my $peer = shift; + my $s = IO::Socket::INET->new( + Proto => 'tcp', + PeerAddr => $peer || '127.0.0.1:8080' + ) + or die "Can't connect to nginx: $!\n"; + + return $s; +} + +sub stream_write { + my ($s, $message) = @_; + + local $SIG{PIPE} = 'IGNORE'; + + $s->blocking(0); + while (IO::Select->new($s)->can_write(1.5)) { + my $n = $s->syswrite($message); + last unless $n; + $message = substr($message, $n); + last unless length $message; + } + + if (length $message) { + $s->close(); + } +} + +sub stream_read { + my ($s) = @_; + my ($buf); + + $s->blocking(0); + if (IO::Select->new($s)->can_read(3)) { + $s->sysread($buf, 1024); + }; + + log_in($buf); + return $buf; +} + +############################################################################### + +sub stream_daemon { + my $server = IO::Socket::INET->new( + Proto => 'tcp', + LocalAddr => '127.0.0.1:8081', + 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"); + + $buffer =~ s/foo/bar/g; + + log2o("$client $buffer"); + + $client->syswrite($buffer); + + return $buffer =~ /close/; +} + +sub log2i { Test::Nginx::log_core('|| <<', @_); } +sub log2o { Test::Nginx::log_core('|| >>', @_); } +sub log2c { Test::Nginx::log_core('||', @_); } + +###############################################################################