Mercurial > hg > nginx-tests
annotate http_resolver_cleanup.t @ 1165:ba26845f53ff
Tests: reduced the number of UDP streams in stream_udp_upstream.t.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Thu, 20 Apr 2017 16:03:05 +0300 |
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Tests: resolver cleanup tests.
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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 $t->write_file_expand('nginx.conf', <<'EOF')->plan(1); |
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32 |
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33 %%TEST_GLOBALS%% |
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34 |
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35 daemon off; |
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36 |
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37 events { |
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38 } |
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39 |
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40 http { |
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41 %%TEST_GLOBALS_HTTP%% |
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42 |
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43 server { |
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44 listen 127.0.0.1:8080; |
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45 server_name localhost; |
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46 |
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47 location / { |
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48 resolver 127.0.0.1:%%PORT_8081_UDP%%; |
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49 proxy_pass http://example.net/$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(8081)); |
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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(8081), |
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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(8081); |
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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 ############################################################################### |