Mercurial > hg > nginx-tests
annotate http_resolver_cleanup.t @ 1293:4442767118e0
Tests: wrap long line.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Thu, 01 Mar 2018 15:14:43 +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 |
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29 $t->write_file_expand('nginx.conf', <<'EOF')->plan(1); |
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30 |
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31 %%TEST_GLOBALS%% |
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32 |
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33 daemon off; |
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34 |
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35 events { |
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36 } |
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37 |
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38 http { |
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39 %%TEST_GLOBALS_HTTP%% |
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40 |
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41 server { |
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42 listen 127.0.0.1:8080; |
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43 server_name localhost; |
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44 |
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45 location / { |
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46 resolver 127.0.0.1:%%PORT_8981_UDP%%; |
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47 proxy_pass http://example.net/$args; |
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48 } |
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49 |
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50 location /pid { |
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51 add_header X-Pid $pid always; |
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52 } |
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53 } |
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54 } |
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55 |
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56 EOF |
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57 |
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58 $t->run_daemon(\&dns_daemon, $t); |
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59 $t->run()->waitforfile($t->testdir . '/' . port(8981)); |
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60 |
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61 ############################################################################### |
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62 |
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63 # truncated UDP response, no response over TCP |
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64 |
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65 my $s = http_get('/', start => 1); |
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66 |
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67 pass('request'); |
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68 |
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69 sleep 1; |
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70 |
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71 # retrasmission timer wasn't removed during resolver cleanup, |
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72 # while the event memory was freed, resulting in use-after-free |
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73 # when later removing timer in TCP connection |
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74 |
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75 http_get('/pid') =~ qr/X-Pid: (\d+)/; |
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76 kill 'TERM', $1; |
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77 |
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78 ############################################################################### |
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79 |
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80 sub dns_daemon { |
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81 my ($t) = @_; |
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82 my ($data); |
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83 |
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84 my $socket = IO::Socket::INET->new( |
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85 LocalAddr => '127.0.0.1', |
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86 LocalPort => port(8981), |
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87 Proto => 'udp', |
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88 ) |
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89 or die "Can't create UDP socket: $!\n"; |
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90 |
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91 # signal we are ready |
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92 |
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93 open my $fh, '>', $t->testdir() . '/' . port(8981); |
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94 close $fh; |
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95 |
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96 while (1) { |
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97 $socket->recv($data, 65536); |
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98 # truncation bit set |
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99 $data |= pack("n2", 0, 0x8380); |
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100 $socket->send($data); |
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101 } |
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102 } |
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103 |
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104 ############################################################################### |