Mercurial > hg > nginx-tests
view stream_udp_upstream.t @ 1897:38f1fd9ca3e6
Tests: unbreak reading new stderr data after eof.
Tests don't expect to stop reading redirected stderr when end of file is
reached, but rather to read new data being appended, similar to "tail -f".
The behaviour is found changed in Ubuntu 23.04's Perl 5.36, which applies
the upstream patch [1] expected for inclusion in the upcoming Perl 5.38.
The fix is to clear the filehandle's error state to continue reading.
[1] https://github.com/Perl/perl5/commit/80c1f1e45e8e
Updated mail_error_log.t and stream_error_log.t for consistency.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Mon, 29 May 2023 17:27:11 +0400 |
parents | f3ba4c74de31 |
children |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Stream tests for upstream module and balancers 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 udp/)->plan(5) ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% proxy_responses 1; proxy_timeout 1s; upstream u { server 127.0.0.1:%%PORT_8984_UDP%%; server 127.0.0.1:%%PORT_8985_UDP%%; } upstream u2 { server 127.0.0.1:%%PORT_8986_UDP%% down; server 127.0.0.1:%%PORT_8986_UDP%%; server 127.0.0.1:%%PORT_8984_UDP%%; server 127.0.0.1:%%PORT_8985_UDP%%; } upstream u3 { server 127.0.0.1:%%PORT_8984_UDP%%; server 127.0.0.1:%%PORT_8985_UDP%% weight=2; } upstream u4 { server 127.0.0.1:%%PORT_8986_UDP%% down; server 127.0.0.1:%%PORT_8984_UDP%% backup; } server { listen 127.0.0.1:%%PORT_8980_UDP%% udp; proxy_pass u; } server { listen 127.0.0.1:%%PORT_8981_UDP%% udp; proxy_pass u2; } server { listen 127.0.0.1:%%PORT_8982_UDP%% udp; proxy_pass u3; } server { listen 127.0.0.1:%%PORT_8983_UDP%% udp; proxy_pass u4; } } EOF $t->run_daemon(\&udp_daemon, port(8984), $t); $t->run_daemon(\&udp_daemon, port(8985), $t); $t->run(); $t->waitforfile($t->testdir . '/' . port(8984)); $t->waitforfile($t->testdir . '/' . port(8985)); ############################################################################### my @ports = my ($port4, $port5) = (port(8984), port(8985)); is(many(10, port(8980)), "$port4: 5, $port5: 5", 'balanced'); is(dgram('127.0.0.1:' . port(8981))->io('.', read_timeout => 0.5), '', 'no next upstream for dgram'); is(many(10, port(8981)), "$port4: 5, $port5: 5", 'failures'); is(many(9, port(8982)), "$port4: 3, $port5: 6", 'weight'); is(many(10, port(8983)), "$port4: 10", 'backup'); ############################################################################### 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); } } ###############################################################################