Mercurial > hg > nginx-tests
view stream_udp_upstream_hash.t @ 1940:aec72dcee93b
Tests: unconditional QUIC datagram expansion with Initial packets.
Used to get rid of "quic UDP datagram is too small for initial packet" messages.
In future, we may need this to reconsider to allow mocking with custom padding,
but for now suppressing such messages is sufficiently good enough.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Mon, 11 Dec 2023 14:01:49 +0400 |
parents | f3ba4c74de31 |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Stream tests for upstream hash balancer 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_upstream_hash udp/)->plan(2); $t->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% proxy_responses 1; proxy_timeout 1s; upstream hash { hash $remote_addr; server 127.0.0.1:%%PORT_8982_UDP%%; server 127.0.0.1:%%PORT_8983_UDP%%; } upstream cons { hash $remote_addr consistent; server 127.0.0.1:%%PORT_8982_UDP%%; server 127.0.0.1:%%PORT_8983_UDP%%; } server { listen 127.0.0.1:%%PORT_8980_UDP%% udp; proxy_pass hash; } server { listen 127.0.0.1:%%PORT_8981_UDP%% udp; proxy_pass cons; } } EOF $t->run_daemon(\&udp_daemon, port(8982), $t); $t->run_daemon(\&udp_daemon, port(8983), $t); $t->run(); $t->waitforfile($t->testdir . '/' . port(8982)); $t->waitforfile($t->testdir . '/' . port(8983)); ############################################################################### my @ports = my ($port2, $port3) = (port(8982), port(8983)); is(many(10, port(8980)), "$port3: 10", 'hash'); like(many(10, port(8981)), qr/($port2|$port3): 10/, 'hash consistent'); ############################################################################### sub many { my ($count, $port) = @_; my (%ports); for (1 .. $count) { if (dgram("127.0.0.1:$port")->io('.') =~ /(\d+)/) { $ports{$1} = 0 unless defined $ports{$1}; $ports{$1}++; } } my @keys = map { my $p = $_; grep { $p == $_ } keys %ports } @ports; return join ', ', map { $_ . ": " . $ports{$_} } @keys; } ############################################################################### sub udp_daemon { my ($port, $t) = @_; my $server = IO::Socket::INET->new( Proto => 'udp', LocalAddr => '127.0.0.1:' . $port, Reuse => 1, ) or die "Can't create listening socket: $!\n"; # signal we are ready open my $fh, '>', $t->testdir() . '/' . $port; close $fh; while (1) { $server->recv(my $buffer, 65536); $buffer = $server->sockport(); $server->send($buffer); } } ###############################################################################