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annotate proxy_next_upstream_tries.t @ 493:d456ed8a18de

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Tests: added proxy_next_upstream_tries.t tests with zero value.
author Sergey Kandaurov <pluknet@nginx.com>
date Fri, 07 Nov 2014 15:11:18 +0300
parents 799487ee9aee
children 623863fcb1d1
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cb0662e12d6e Tests: proxy_next_upstream_{tries,timeout} 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 proxy module, proxy_next_upstream_tries
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7 # and proxy_next_upstream_timeout directives.
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8
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9 ###############################################################################
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10
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11 use warnings;
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12 use strict;
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13
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14 use Test::More;
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15
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16 BEGIN { use FindBin; chdir($FindBin::Bin); }
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17
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18 use lib 'lib';
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19 use Test::Nginx;
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20
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21 ###############################################################################
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22
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23 select STDERR; $| = 1;
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24 select STDOUT; $| = 1;
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25
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26 my $t = Test::Nginx->new()->has(qw/http proxy rewrite/);
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27
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28 $t->write_file_expand('nginx.conf', <<'EOF');
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29
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30 %%TEST_GLOBALS%%
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31
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32 daemon off;
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33
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34 events {
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35 }
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36
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37 http {
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38 %%TEST_GLOBALS_HTTP%%
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39
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40 upstream u {
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41 server 127.0.0.1:8081;
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42 server 127.0.0.1:8081;
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43 server 127.0.0.1:8081;
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44 }
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45
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46 upstream u2 {
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47 server 127.0.0.1:8081;
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48 server 127.0.0.1:8081 backup;
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49 server 127.0.0.1:8081 backup;
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50 }
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51
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52 upstream u3 {
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53 server 127.0.0.1:8082;
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54 server 127.0.0.1:8082;
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55 server 127.0.0.1:8082;
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56 }
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57
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58 upstream u4 {
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59 server 127.0.0.1:8082;
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60 server 127.0.0.1:8082 backup;
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61 server 127.0.0.1:8082 backup;
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62 }
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63
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64 server {
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65 listen 127.0.0.1:8080;
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66 server_name localhost;
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67
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68 proxy_next_upstream http_404;
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69 proxy_intercept_errors on;
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70 error_page 404 /404;
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71
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72 location /tries {
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73 proxy_pass http://u;
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74 proxy_next_upstream_tries 2;
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75 }
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76
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77 location /tries/backup {
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78 proxy_pass http://u2;
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79 proxy_next_upstream_tries 2;
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80 }
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81
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82 location /tries/resolver {
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83 resolver 127.0.0.1:8083;
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84 resolver_timeout 1s;
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85
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86 proxy_pass http://$host:8081/backend;
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87 proxy_next_upstream_tries 2;
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88 }
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89
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90 location /tries/zero {
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91 proxy_pass http://u;
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92 proxy_next_upstream_tries 0;
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93 }
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94
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95 location /timeout {
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96 proxy_pass http://u3;
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97 proxy_next_upstream_timeout 1900ms;
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98 }
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99
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100 location /timeout/backup {
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101 proxy_pass http://u4;
492
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102 proxy_next_upstream_timeout 1900ms;
462
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103 }
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104
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105 location /timeout/resolver {
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106 resolver 127.0.0.1:8083;
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107 resolver_timeout 1s;
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108
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109 proxy_pass http://$host:8082/backend;
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110 proxy_next_upstream_timeout 1900ms;
479
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111 }
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112
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113 location /timeout/zero {
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114 proxy_pass http://u3;
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115 proxy_next_upstream_timeout 0;
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116 }
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117
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118 location /404 {
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119 return 200 x${upstream_status}x;
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120 }
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121 }
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122 }
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123
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124 EOF
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125
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126 $t->run_daemon(\&http_daemon, 8081);
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127 $t->run_daemon(\&http_daemon, 8082);
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128 $t->run_daemon(\&dns_daemon, 8083, $t);
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129 $t->try_run('no proxy_next_upstream_tries')->plan(8);
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130
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131 $t->waitforsocket('127.0.0.1:8081');
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132 $t->waitforsocket('127.0.0.1:8082');
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133 $t->waitforfile($t->testdir . '/8083');
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134
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135 ###############################################################################
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136
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137 like(http_get('/tries'), qr/x404, 404x/, 'tries');
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138 like(http_get('/tries/backup'), qr/x404, 404x/, 'tries backup');
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139
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140 TODO: {
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141 local $TODO = 'not yet' unless $t->has_version('1.7.7');
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142
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143 like(http_get('/tries/resolver'), qr/x404, 404x/, 'tries resolved');
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144
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145 }
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146
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147 like(http_get('/tries/zero'), qr/x404, 404, 404x/, 'tries zero');
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148
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149 # two tries fit into 1.9s
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150
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151 like(http_get('/timeout'), qr/x404, 404x/, 'timeout');
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152 like(http_get('/timeout/backup'), qr/x404, 404x/, 'timeout backup');
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153
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154 TODO: {
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155 local $TODO = 'not yet' unless $t->has_version('1.7.7');
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156
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157 like(http_get('/timeout/resolver'), qr/x404, 404x/, 'timeout resolved');
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158
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159 }
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160
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161 like(http_get('/timeout/zero'), qr/x404, 404, 404x/, 'timeout zero');
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162
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163 ###############################################################################
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164
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165 sub http_daemon {
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166 my ($port) = @_;
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167
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168 my $server = IO::Socket::INET->new(
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169 Proto => 'tcp',
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170 LocalHost => '127.0.0.1',
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171 LocalPort => $port,
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172 Listen => 5,
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173 Reuse => 1
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174 )
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175 or die "Can't create listening socket: $!\n";
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176
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177 local $SIG{PIPE} = 'IGNORE';
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178
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179 while (my $client = $server->accept()) {
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180 $client->autoflush(1);
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181
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182 my $headers = '';
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183
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184 while (<$client>) {
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185 $headers .= $_;
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186 last if (/^\x0d?\x0a?$/);
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187 }
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188
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189 next if $headers eq '';
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190
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191 if ($port == 8082) {
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192 Test::Nginx::log_core('||', "$port: sleep(1)");
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193 select undef, undef, undef, 1;
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194 }
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195
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196 Test::Nginx::log_core('||', "$port: response, 404");
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197 print $client <<EOF;
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198 HTTP/1.1 404 Not Found
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199 Connection: close
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200
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201 EOF
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202
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203 } continue {
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204 close $client;
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205 }
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206 }
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207
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208 sub reply_handler {
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209 my ($recv_data) = @_;
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210
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211 my (@name, @rdata);
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212
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213 use constant NOERROR => 0;
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214 use constant A => 1;
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215 use constant IN => 1;
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216
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217 # default values
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218
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219 my ($hdr, $rcode, $ttl) = (0x8180, NOERROR, 3600);
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220
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221 # decode name
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222
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223 my ($len, $offset) = (undef, 12);
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224 while (1) {
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225 $len = unpack("\@$offset C", $recv_data);
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226 last if $len == 0;
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227 $offset++;
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228 push @name, unpack("\@$offset A$len", $recv_data);
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229 $offset += $len;
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230 }
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231
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232 $offset -= 1;
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233 my ($id, $type, $class) = unpack("n x$offset n2", $recv_data);
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234
485
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235 @rdata = map { rd_addr($ttl, '127.0.0.1') } (1 .. 3) if $type == A;
479
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236
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237 $len = @name;
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238 pack("n6 (w/a*)$len x n2", $id, $hdr | $rcode, 1, scalar @rdata,
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239 0, 0, @name, $type, $class) . join('', @rdata);
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240 }
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241
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242 sub rd_addr {
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243 my ($ttl, $addr) = @_;
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244
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245 my $code = 'split(/\./, $addr)';
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246
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247 return pack 'n3N', 0xc00c, A, IN, $ttl if $addr eq '';
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248
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249 pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code);
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250 }
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251
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252 sub dns_daemon {
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253 my ($port, $t) = @_;
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254
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255 my ($data, $recv_data);
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256 my $socket = IO::Socket::INET->new(
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257 LocalAddr => '127.0.0.1',
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258 LocalPort => $port,
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259 Proto => 'udp',
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260 )
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261 or die "Can't create listening socket: $!\n";
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262
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263 # signal we are ready
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264
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265 open my $fh, '>', $t->testdir() . '/' . $port;
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266 close $fh;
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267
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268 while (1) {
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269 $socket->recv($recv_data, 65536);
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270 $data = reply_handler($recv_data);
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271 $socket->send($data);
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272 }
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273 }
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274
462
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275 ###############################################################################