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annotate http_resolver_cleanup.t @ 1248:70192b1baf01

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Tests: added exception test to stream_js.t using 'require'. The stream js tests introduced in edf5a3c9e36a fail on njs 0.1.14. It doesn't currently provide an easy way to check its version, whilst we are obligated to gracefully handle such cases somehow. With such an addition of 'require', now the tests are skipped instead on the previous versions.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 21 Nov 2017 13:16:39 +0300
parents e4974af3fb12
children 766bcbb632ee
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/perl
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2
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3 # (C) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for http resolver, worker process termination.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 BEGIN { use FindBin; chdir($FindBin::Bin); }
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16
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17 use lib 'lib';
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18 use Test::Nginx;
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19
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20 ###############################################################################
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21
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22 select STDERR; $| = 1;
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23 select STDOUT; $| = 1;
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24
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25 my $t = Test::Nginx->new()->has(qw/http proxy/);
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26
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27 plan(skip_all => 'win32') if $^O eq 'MSWin32';
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28 plan(skip_all => 'use-after-free on shutdown') unless $ENV{TEST_NGINX_UNSAFE}
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29 or $t->has_version('1.11.8');
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30
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31 $t->write_file_expand('nginx.conf', <<'EOF')->plan(1);
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32
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33 %%TEST_GLOBALS%%
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34
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35 daemon off;
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36
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37 events {
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38 }
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39
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40 http {
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41 %%TEST_GLOBALS_HTTP%%
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42
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43 server {
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44 listen 127.0.0.1:8080;
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45 server_name localhost;
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46
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47 location / {
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48 resolver 127.0.0.1:%%PORT_8981_UDP%%;
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49 proxy_pass http://example.net/$args;
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50 }
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51
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52 location /pid {
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53 add_header X-Pid $pid always;
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54 }
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55 }
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56 }
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57
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58 EOF
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59
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60 $t->run_daemon(\&dns_daemon, $t);
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61 $t->run()->waitforfile($t->testdir . '/' . port(8981));
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62
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63 ###############################################################################
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64
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65 # truncated UDP response, no response over TCP
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66
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67 my $s = http_get('/', start => 1);
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68
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69 pass('request');
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70
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71 sleep 1;
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72
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73 # retrasmission timer wasn't removed during resolver cleanup,
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74 # while the event memory was freed, resulting in use-after-free
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75 # when later removing timer in TCP connection
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76
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77 http_get('/pid') =~ qr/X-Pid: (\d+)/;
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78 kill 'TERM', $1;
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79
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80 ###############################################################################
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81
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82 sub dns_daemon {
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83 my ($t) = @_;
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84 my ($data);
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85
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86 my $socket = IO::Socket::INET->new(
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87 LocalAddr => '127.0.0.1',
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88 LocalPort => port(8981),
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89 Proto => 'udp',
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90 )
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91 or die "Can't create UDP socket: $!\n";
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92
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93 # signal we are ready
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94
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95 open my $fh, '>', $t->testdir() . '/' . port(8981);
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96 close $fh;
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97
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98 while (1) {
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99 $socket->recv($data, 65536);
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100 # truncation bit set
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101 $data |= pack("n2", 0, 0x8380);
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102 $socket->send($data);
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103 }
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104 }
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105
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106 ###############################################################################