Mercurial > hg > nginx-tests
view stream_upstream.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 module and balancers. ############################################################################### 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/) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% log_format bytes $upstream_addr! $upstream_bytes_sent!$upstream_bytes_received; upstream u { server 127.0.0.1:8084; server 127.0.0.1:8085; } upstream u2 { server 127.0.0.1:8086 down; server 127.0.0.1:8086; server 127.0.0.1:8084; server 127.0.0.1:8085; } upstream u3 { server 127.0.0.1:8084; server 127.0.0.1:8085 weight=2; } upstream u4 { server 127.0.0.1:8086 fail_timeout=1s; server 127.0.0.1:8084 backup; } proxy_connect_timeout 2; server { listen 127.0.0.1:8080; proxy_pass u; } server { listen 127.0.0.1:8081; proxy_pass u2; } server { listen 127.0.0.1:8082; proxy_pass u3; } server { listen 127.0.0.1:8083; proxy_pass u4; access_log %%TESTDIR%%/u.log bytes; } } EOF $t->run_daemon(\&stream_daemon, port(8084)); $t->run_daemon(\&stream_daemon, port(8085)); $t->run()->plan(6); $t->waitforsocket('127.0.0.1:' . port(8084)); $t->waitforsocket('127.0.0.1:' . port(8085)); ############################################################################### my @ports = my ($port4, $port5, $port6) = (port(8084), port(8085), port(8086)); is(many(30, port(8080)), "$port4: 15, $port5: 15", 'balanced'); is(many(30, port(8081)), "$port4: 15, $port5: 15", 'failures'); is(many(30, port(8082)), "$port4: 10, $port5: 20", 'weight'); is(many(30, port(8083)), "$port4: 30", 'backup'); $t->run_daemon(\&stream_daemon, port(8086)); $t->waitforsocket('127.0.0.1:' . port(8086)); sleep 2; # wait till fail_timeout passes is(parallel(30, port(8083)), "$port6: 30", 'recovery'); $t->stop(); like($t->read_file('u.log'), qr/127.0.0.1:$port6, 127.0.0.1:$port4!0, 1!0, 4/, 'per-upstream variables'); ############################################################################### sub many { my ($count, $port) = @_; my (%ports); for (1 .. $count) { if (stream("127.0.0.1:$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 parallel { my ($count, $port) = @_; my (%ports, @s); for (1 .. $count) { my $s = stream("127.0.0.1:$port"); $s->write('keep'); $s->read(); push @s, $s; } for (1 .. $count) { if ((pop @s)->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 stream_daemon { my ($port) = @_; my $server = IO::Socket::INET->new( Proto => 'tcp', LocalAddr => '127.0.0.1', LocalPort => $port, 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 ne 'keep'; $buffer = $client->sockport(); log2o("$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('||', @_); } ###############################################################################