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#!/usr/bin/perl
# (C) Andrey Zelenkov
# (C) Nginx, Inc.
# Tests for stream proxy module with haproxy protocol.
###############################################################################
use warnings;
use strict;
use Test::More;
use IO::Select;
use Socket qw/ $CRLF /;
BEGIN { use FindBin; chdir($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/)->plan(2)
->write_file_expand('nginx.conf', <<'EOF');
%%TEST_GLOBALS%%
daemon off;
events {
}
stream {
proxy_protocol on;
server {
listen 127.0.0.1:8080;
proxy_pass 127.0.0.1:8081;
}
server {
listen 127.0.0.1:8082;
proxy_pass 127.0.0.1:8081;
proxy_protocol off;
}
}
EOF
$t->run_daemon(\&stream_daemon);
$t->run();
$t->waitforsocket('127.0.0.1:' . port(8081));
###############################################################################
my $dp = port(8080);
my $s = stream('127.0.0.1:' . $dp);
my $data = $s->io('close');
my $sp = $s->sockport();
is($data, "PROXY TCP4 127.0.0.1 127.0.0.1 $sp $dp${CRLF}close", 'protocol on');
is(stream('127.0.0.1:' . port(8082))->io('close'), 'close', 'protocol off');
###############################################################################
sub stream_daemon {
my $server = IO::Socket::INET->new(
Proto => 'tcp',
LocalAddr => '127.0.0.1:' . port(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 $buffer");
log2o("$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('||', @_); }
###############################################################################