Mercurial > hg > nginx-tests
view http_resolver_ipv4.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 | 0b06942f0b8b |
children | 1786f49cca17 |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Eugene Grebenschikov # (C) Nginx, Inc. # Tests for http resolver with ipv4/ipv6 parameters. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/http proxy rewrite/); $t->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } http { %%TEST_GLOBALS_HTTP%% server { listen 127.0.0.1:8080; server_name localhost; location / { proxy_pass http://$arg_h:%%PORT_8081%%/; resolver 127.0.0.1:%%PORT_8980_UDP%% ipv4=on ipv6=on; } location /ipv4 { proxy_pass http://$arg_h:%%PORT_8081%%/; resolver 127.0.0.1:%%PORT_8980_UDP%% ipv4=on ipv6=off; } location /ipv6 { proxy_pass http://$arg_h:%%PORT_8081%%/; resolver 127.0.0.1:%%PORT_8980_UDP%% ipv4=off ipv6=on; } } server { listen 127.0.0.1:8081; server_name localhost; location / { return 200 "ipv4"; } } server { listen [::1]:%%PORT_8081%%; server_name localhost; location / { return 200 "ipv6"; } } } EOF $t->try_run('no resolver ipv4')->plan(3); $t->run_daemon(\&dns_daemon, port(8980), $t); $t->waitforfile($t->testdir . '/' . port(8980)); ############################################################################### like(many('/', 10), qr/ipv4: \d+, ipv6: \d+/, 'ipv4 ipv6'); is(many('/ipv4', 10), 'ipv4: 10', 'ipv4 only'); is(many('/ipv6', 10), 'ipv6: 10', 'ipv6 only'); ############################################################################### sub many { my ($uri, $count) = @_; my %hits; for (1 .. $count) { if (http_get("$uri?h=example.com") =~ /(ipv(4|6))/) {; $hits{$1} = 0 unless defined $hits{$1}; $hits{$1}++; } } return join ', ', map { $_ . ": " . $hits{$_} } sort keys %hits; } ############################################################################### sub reply_handler { my ($recv_data, $port) = @_; my (@name, @rdata); use constant NOERROR => 0; use constant A => 1; use constant AAAA => 28; use constant IN => 1; # default values my ($hdr, $rcode, $ttl) = (0x8180, NOERROR, 3600); # decode name my ($len, $offset) = (undef, 12); while (1) { $len = unpack("\@$offset C", $recv_data); last if $len == 0; $offset++; push @name, unpack("\@$offset A$len", $recv_data); $offset += $len; } $offset -= 1; my ($id, $type, $class) = unpack("n x$offset n2", $recv_data); my $name = join('.', @name); if ($name eq 'example.com') { if ($type == A) { push @rdata, rd_addr($ttl, '127.0.0.1'); } if ($type == AAAA) { push @rdata, rd_addr6($ttl, "::1"); } } $len = @name; pack("n6 (C/a*)$len x n2", $id, $hdr | $rcode, 1, scalar @rdata, 0, 0, @name, $type, $class) . join('', @rdata); } sub rd_addr { my ($ttl, $addr) = @_; my $code = 'split(/\./, $addr)'; pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code); } sub expand_ip6 { my ($addr) = @_; substr ($addr, index($addr, "::"), 2) = join "0", map { ":" } (0 .. 8 - (split /:/, $addr) + 1); map { hex "0" x (4 - length $_) . "$_" } split /:/, $addr; } sub rd_addr6 { my ($ttl, $addr) = @_; pack 'n3N nn8', 0xc00c, AAAA, IN, $ttl, 16, expand_ip6($addr); } sub dns_daemon { my ($port, $t) = @_; my ($data, $recv_data); my $socket = IO::Socket::INET->new( LocalAddr => '127.0.0.1', LocalPort => $port, Proto => 'udp', ) or die "Can't create listening socket: $!\n"; # signal we are ready open my $fh, '>', $t->testdir() . '/' . $port; close $fh; while (1) { $socket->recv($recv_data, 65536); $data = reply_handler($recv_data, $port); $socket->send($data); } } ###############################################################################