view stream_tcp_nodelay.t @ 1215:26884729e06b

Tests: cope with resolver resend in mail resolver tests. Currently, if resolver didn't find PTR type in the answer section of PTR response, it keeps the node in the resend queue until the next timer event.
author Sergey Kandaurov <pluknet@nginx.com>
date Thu, 31 Aug 2017 19:09:04 +0300
parents 196d33c2bb45
children f3ba4c74de31
line wrap: on
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#!/usr/bin/perl

# (C) Andrey Zelenkov
# (C) Sergey Kandaurov
# (C) Nginx, Inc.

# Stream tests for tcp_nodelay.

###############################################################################

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/);

$t->plan(2)->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

stream {
    proxy_buffer_size 1;
    tcp_nodelay off;

    server {
        listen      127.0.0.1:8081;
        proxy_pass  127.0.0.1:8080;
    }

    server {
        tcp_nodelay on;
        listen      127.0.0.1:8082;
        proxy_pass  127.0.0.1:8080;
    }
}

EOF

$t->run_daemon(\&stream_daemon);
$t->run()->waitforsocket('127.0.0.1:' . port(8080));

###############################################################################

my $str = '1234567890' x 10 . 'F';
my $length = length($str);

is(stream('127.0.0.1:' . port(8081))->io($str, length => $length), $str,
	'tcp_nodelay off');
is(stream('127.0.0.1:' . port(8082))->io($str, length => $length), $str,
	'tcp_nodelay on');

###############################################################################

sub stream_daemon {
	my $server = IO::Socket::INET->new(
		Proto => 'tcp',
		LocalAddr => '127.0.0.1:' . port(8080),
		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 =~ /F/;

	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('||', @_); }

###############################################################################