| #!/usr/bin/perl |
| |
| # (C) Andrey Zelenkov |
| # (C) Nginx, Inc. |
| |
| # Tests for stream limit_conn module with datagrams. |
| |
| ############################################################################### |
| |
| use warnings; |
| use strict; |
| |
| use Test::More; |
| |
| BEGIN { use FindBin; chdir($FindBin::Bin); } |
| |
| use lib 'lib'; |
| use Test::Nginx; |
| use Test::Nginx::Stream qw/ dgram /; |
| |
| ############################################################################### |
| |
| select STDERR; $| = 1; |
| select STDOUT; $| = 1; |
| |
| my $t = Test::Nginx->new()->has(qw/stream stream_limit_conn udp/)->plan(9) |
| ->write_file_expand('nginx.conf', <<'EOF'); |
| |
| %%TEST_GLOBALS%% |
| |
| daemon off; |
| |
| events { |
| } |
| |
| stream { |
| limit_conn_zone $binary_remote_addr zone=zone:1m; |
| limit_conn_zone $binary_remote_addr zone=zone2:1m; |
| |
| proxy_responses 1; |
| proxy_timeout 1s; |
| |
| server { |
| listen 127.0.0.1:%%PORT_8981_UDP%% udp; |
| proxy_pass 127.0.0.1:%%PORT_8980_UDP%%; |
| |
| limit_conn zone 1; |
| proxy_responses 2; |
| } |
| |
| server { |
| listen 127.0.0.1:%%PORT_8982_UDP%% udp; |
| proxy_pass 127.0.0.1:%%PORT_8980_UDP%%; |
| limit_conn zone2 1; |
| } |
| |
| server { |
| listen 127.0.0.1:%%PORT_8983_UDP%% udp; |
| proxy_pass 127.0.0.1:%%PORT_8980_UDP%%; |
| limit_conn zone 5; |
| } |
| |
| server { |
| listen 127.0.0.1:%%PORT_8984_UDP%% udp; |
| proxy_pass 127.0.0.1:%%PORT_8981_UDP%%; |
| limit_conn zone2 1; |
| } |
| |
| server { |
| listen 127.0.0.1:%%PORT_8985_UDP%% udp; |
| proxy_pass 127.0.0.1:%%PORT_8981_UDP%%; |
| limit_conn zone 1; |
| } |
| } |
| |
| EOF |
| |
| $t->run(); |
| $t->run_daemon(\&udp_daemon, $t); |
| $t->waitforfile($t->testdir . '/' . port(8980)); |
| |
| ############################################################################### |
| |
| # same and other zones |
| |
| my $s = dgram('127.0.0.1:' . port(8981)); |
| |
| is($s->io('1'), '1', 'passed'); |
| |
| # regardless of incomplete responses, new requests in the same |
| # socket will be treated as requests in existing session |
| |
| TODO: { |
| local $TODO = 'not yet' unless $t->has_version('1.15.0'); |
| |
| is($s->io('1', read_timeout => 0.4), '1', 'passed new request'); |
| |
| } |
| |
| is(dgram('127.0.0.1:' . port(8981))->io('1', read_timeout => 0.1), '', |
| 'rejected new session'); |
| is(dgram('127.0.0.1:' . port(8982))->io('1'), '1', 'passed different zone'); |
| is(dgram('127.0.0.1:' . port(8983))->io('1'), '1', 'passed same zone unlimited'); |
| |
| sleep 1; # waiting for proxy_timeout to expire |
| |
| is($s->io('2', read => 2), '12', 'new session after proxy_timeout'); |
| |
| is(dgram('127.0.0.1:' . port(8981))->io('2', read => 2), '12', 'passed 2'); |
| |
| # zones proxy chain |
| |
| is(dgram('127.0.0.1:' . port(8984))->io('1'), '1', 'passed proxy'); |
| is(dgram('127.0.0.1:' . port(8985))->io('1', read_timeout => 0.1), '', |
| 'rejected proxy'); |
| |
| ############################################################################### |
| |
| sub udp_daemon { |
| my $t = shift; |
| |
| my $server = IO::Socket::INET->new( |
| Proto => 'udp', |
| LocalAddr => '127.0.0.1:' . port(8980), |
| Reuse => 1, |
| ) |
| or die "Can't create listening socket: $!\n"; |
| |
| # signal we are ready |
| |
| open my $fh, '>', $t->testdir() . '/' . port(8980); |
| close $fh; |
| |
| while (1) { |
| $server->recv(my $buffer, 65536); |
| $server->send($_) for (1 .. $buffer); |
| } |
| } |
| |
| ############################################################################### |