# HG changeset patch
# User Andrey Zelenkov <zelenkov@nginx.com>
# Date 1436194042 -10800
# Node ID 0016fe31be131b3f1d13c587ab92a96b9608792d
# Parent  1dd0e909fe94b6b11813c837a5701eb54d9d2339
Tests: fixed connection handling in stream_proxy_protocol_ipv6.t.

Inapplicable http proxying was replaced with stream proxying.
Backend connection close is postponed until all client data is read.

diff --git a/stream_proxy_protocol_ipv6.t b/stream_proxy_protocol_ipv6.t
--- a/stream_proxy_protocol_ipv6.t
+++ b/stream_proxy_protocol_ipv6.t
@@ -12,6 +12,9 @@ use strict;
 
 use Test::More;
 
+use IO::Select;
+use Socket qw/ $CRLF /;
+
 BEGIN { use FindBin; chdir($FindBin::Bin); }
 
 use lib 'lib';
@@ -22,7 +25,7 @@ use Test::Nginx;
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/http proxy stream ipv6/)
+my $t = Test::Nginx->new()->has(qw/stream ipv6/)
 	->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%
@@ -32,35 +35,26 @@ daemon off;
 events {
 }
 
-http {
-    %%TEST_GLOBALS_HTTP%%
-
+stream {
     server {
         listen          127.0.0.1:8080;
-        server_name     localhost;
-
-        location /on {
-            proxy_pass  http://[::1]:8080;
-        }
+        proxy_pass      [::1]:8080;
+    }
 
-        location /off {
-            proxy_pass  http://[::1]:8081;
-        }
+    server {
+        listen          127.0.0.1:8081;
+        proxy_pass      [::1]:8081;
     }
-}
-
-stream {
-    proxy_protocol on;
 
     server {
         listen          [::1]:8080;
         proxy_pass      127.0.0.1:8082;
+        proxy_protocol  on;
     }
 
     server {
         listen          [::1]:8081;
         proxy_pass      127.0.0.1:8082;
-        proxy_protocol  off;
     }
 }
 
@@ -72,13 +66,70 @@ EOF
 
 ###############################################################################
 
-like(http_get('/on'), qr/PROXY TCP6 ::1 ::1 [0-9]+ 8080/, 'protocol on');
-unlike(http_get('/off'), qr/PROXY/, 'protocol off');
+like(stream_get('close'), qr/PROXY TCP6 ::1 ::1 \d+ 8080$CRLF/, 'protocol on');
+unlike(stream_get('close', '127.0.0.1:8081'), qr/PROXY/, 'protocol off');
+
+###############################################################################
+
+sub stream_get {
+	my ($data, $peer) = @_;
+
+	my $s = stream_connect($peer);
+	stream_write($s, $data);
+
+	$data = '';
+	while (my $buf = stream_read($s)) {
+		$data .= $buf;
+	}
+
+	return $data;
+}
+
+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 $d = shift;
 	my $server = IO::Socket::INET->new(
 		Proto => 'tcp',
 		LocalHost => '127.0.0.1:8082',
@@ -87,26 +138,39 @@ sub stream_daemon {
 	)
 		or die "Can't create listening socket: $!\n";
 
+	my $sel = IO::Select->new($server);
+
 	local $SIG{PIPE} = 'IGNORE';
 
-	while (my $client = $server->accept()) {
-		$client->autoflush(1);
+	while (my @ready = $sel->can_read) {
+		foreach my $fh (@ready) {
+			if ($server == $fh) {
+				my $new = $fh->accept;
+				$new->autoflush(1);
+				$sel->add($new);
 
-		log2c("(new connection $client)");
-
-		$client->sysread(my $buffer, 65536) or next;
-
-		log2i("$client $buffer");
+			} elsif (stream_handle_client($fh)) {
+				$sel->remove($fh);
+				$fh->close;
+			}
+		}
+	}
+}
 
-		$buffer =~ /(.*?)\x0d\x0a?/ms;
-		$buffer = $1;
+sub stream_handle_client {
+	my ($client) = @_;
 
-		log2o("$client $buffer");
+	log2c("(new connection $client)");
+
+	$client->sysread(my $buffer, 65536) or return 1;
 
-		$client->syswrite($buffer);
+	log2i("$client $buffer");
+
+	log2o("$client $buffer");
 
-		close $client;
-	}
+	$client->syswrite($buffer);
+
+	return $buffer =~ /close/;
 }
 
 sub log2i { Test::Nginx::log_core('|| <<', @_); }