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annotate proxy_cache_lock.t @ 184:f432f11a3b12

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Tests: proxy cache lock tests.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 08 Dec 2011 20:41:14 +0300
parents
children bc6ecf23cc9c
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184
f432f11a3b12 Tests: proxy cache lock tests.
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1 #!/usr/bin/perl
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2
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3 # (C) Maxim Dounin
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4
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5 # Tests for http proxy cache lock.
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6
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7 ###############################################################################
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8
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9 use warnings;
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10 use strict;
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11
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12 use Test::More;
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13 use Socket qw/ CRLF /;
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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 cache/)
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26 ->write_file_expand('nginx.conf', <<'EOF');
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27
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28 %%TEST_GLOBALS%%
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29
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30 daemon off;
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31
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32 events {
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33 }
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34
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35 http {
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36 %%TEST_GLOBALS_HTTP%%
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37
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38 proxy_cache_path %%TESTDIR%%/cache levels=1:2
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39 keys_zone=NAME:10m;
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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 proxy_pass http://127.0.0.1:8081;
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47 proxy_cache NAME;
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48
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49 proxy_cache_lock on;
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50 }
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51
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52 location /timeout {
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53 proxy_pass http://127.0.0.1:8081;
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54 proxy_cache NAME;
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55
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56 proxy_cache_lock on;
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57 proxy_cache_lock_timeout 300ms;
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58 }
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59
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60 location /nolock {
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61 proxy_pass http://127.0.0.1:8081;
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62 proxy_cache NAME;
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63 }
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64 }
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65 }
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66
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67 EOF
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68
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69 $t->run_daemon(\&http_fake_daemon);
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70
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71 eval {
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72 open OLDERR, ">&", \*STDERR; close STDERR;
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73 $t->run();
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74 open STDERR, ">&", \*OLDERR;
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75 };
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76 plan(skip_all => 'no proxy_cache_lock') if $@;
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77
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78 $t->plan(19);
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79
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80 ###############################################################################
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81
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82 # sequentional requests
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83
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84 for my $i (1 .. 5) {
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85 like(http_get('/seq'), qr/request 1/, 'sequentional request ' . $i);
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86 }
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87
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88 # parallel requests
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89
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90 my @sockets;
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91
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92 for my $i (1 .. 5) {
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93 $sockets[$i] = http_start('/par1');
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94 }
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95
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96 for my $i (1 .. 5) {
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97 like(http_end($sockets[$i]), qr/request 1/, 'parallel request ' . $i);
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98 }
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99
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100 like(http_get('/par1'), qr/request 1/, 'first request cached');
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101
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102 # parallel requests with cache lock timeout
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103
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104 for my $i (1 .. 3) {
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105 $sockets[$i] = http_start('/timeout');
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106 }
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107
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108 for my $i (1 .. 3) {
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109 like(http_end($sockets[$i]), qr/request $i/, 'lock timeout ' . $i);
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110 }
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111
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112 like(http_get('/timeout'), qr/request 3/, 'lock timeout - last cached');
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113
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114 # no lock
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115
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116 for my $i (1 .. 3) {
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117 $sockets[$i] = http_start('/nolock');
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118 }
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119
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120 for my $i (1 .. 3) {
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121 like(http_end($sockets[$i]), qr/request $i/, 'nolock ' . $i);
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122 }
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123
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124 like(http_get('/nolock'), qr/request 3/, 'nolock - last cached');
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125
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126 ###############################################################################
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127
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128 sub http_start {
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129 my ($uri) = @_;
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130
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131 my $s;
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132 my $request = "GET $uri HTTP/1.0" . CRLF . CRLF;
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133
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134 eval {
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135 local $SIG{ALRM} = sub { die "timeout\n" };
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136 local $SIG{PIPE} = sub { die "sigpipe\n" };
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137 alarm(2);
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138 $s = IO::Socket::INET->new(
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139 Proto => 'tcp',
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140 PeerAddr => '127.0.0.1:8080'
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141 );
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142 log_out($request);
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143 $s->print($request);
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144 alarm(0);
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145 };
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146 alarm(0);
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147 if ($@) {
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148 log_in("died: $@");
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149 return undef;
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150 }
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151 return $s;
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152 }
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153
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154 sub http_end {
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155 my ($s) = @_;
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156 my $reply;
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157
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158 eval {
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159 local $SIG{ALRM} = sub { die "timeout\n" };
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160 local $SIG{PIPE} = sub { die "sigpipe\n" };
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161 alarm(2);
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162 local $/;
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163 $reply = $s->getline();
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164 log_in($reply);
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165 alarm(0);
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166 };
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167 alarm(0);
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168 if ($@) {
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169 log_in("died: $@");
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170 return undef;
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171 }
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172 return $reply;
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173 }
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174
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175 ###############################################################################
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176
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177 sub http_fake_daemon {
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178 my $server = IO::Socket::INET->new(
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179 Proto => 'tcp',
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180 LocalAddr => '127.0.0.1:8081',
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181 Listen => 1,
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182 Reuse => 1
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183 )
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184 or die "Can't create listening socket: $!\n";
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185
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186 my $num = 0;
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187 my $uri = '';
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188
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189 while (my $client = $server->accept()) {
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190 $client->autoflush(1);
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191
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192 while (<$client>) {
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193 if (/GET (.*) HTTP/ && $1 ne $uri) {
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194 $uri = $1;
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195 $num = 0;
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196 }
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197
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198 $uri = $1 if /GET (.*) HTTP/;
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199 last if /^\x0d?\x0a?$/;
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200 }
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201
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202 sleep(1);
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203
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204 $num++;
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205 print $client <<"EOF";
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206 HTTP/1.1 200 OK
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207 Cache-Control: max-age=300
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Maxim Dounin <mdounin@mdounin.ru>
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208 Connection: close
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209
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210 request $num
f432f11a3b12 Tests: proxy cache lock tests.
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211 EOF
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212 }
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213 }
f432f11a3b12 Tests: proxy cache lock tests.
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214
f432f11a3b12 Tests: proxy cache lock tests.
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215 ###############################################################################