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annotate proxy_cache_lock.t @ 215:7f5095965c88

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Tests: added rewrite tests for ticket #162.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 03 May 2012 14:48:30 +0400
parents 4ac0807cc3cf
children f9325406df0b
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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);
213
4ac0807cc3cf Tests: eliminate race in proxy_cache_lock.t startup.
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79 $t->waitforsocket('127.0.0.1:8081');
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80
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81 ###############################################################################
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82
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83 # sequentional requests
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84
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85 for my $i (1 .. 5) {
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86 like(http_get('/seq'), qr/request 1/, 'sequentional request ' . $i);
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87 }
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88
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89 # parallel requests
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90
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91 my @sockets;
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92
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93 for my $i (1 .. 5) {
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94 $sockets[$i] = http_start('/par1');
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95 }
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96
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97 for my $i (1 .. 5) {
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98 like(http_end($sockets[$i]), qr/request 1/, 'parallel request ' . $i);
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99 }
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100
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101 like(http_get('/par1'), qr/request 1/, 'first request cached');
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102
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103 # parallel requests with cache lock timeout
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104
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105 for my $i (1 .. 3) {
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106 $sockets[$i] = http_start('/timeout');
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107 }
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108
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109 for my $i (1 .. 3) {
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110 like(http_end($sockets[$i]), qr/request $i/, 'lock timeout ' . $i);
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111 }
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112
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113 like(http_get('/timeout'), qr/request 3/, 'lock timeout - last cached');
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114
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115 # no lock
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116
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117 for my $i (1 .. 3) {
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118 $sockets[$i] = http_start('/nolock');
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119 }
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120
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121 for my $i (1 .. 3) {
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122 like(http_end($sockets[$i]), qr/request $i/, 'nolock ' . $i);
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123 }
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124
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125 like(http_get('/nolock'), qr/request 3/, 'nolock - last cached');
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126
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127 ###############################################################################
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128
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129 sub http_start {
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130 my ($uri) = @_;
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131
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132 my $s;
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133 my $request = "GET $uri HTTP/1.0" . CRLF . CRLF;
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134
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135 eval {
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136 local $SIG{ALRM} = sub { die "timeout\n" };
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137 local $SIG{PIPE} = sub { die "sigpipe\n" };
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138 alarm(2);
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139 $s = IO::Socket::INET->new(
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140 Proto => 'tcp',
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141 PeerAddr => '127.0.0.1:8080'
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142 );
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143 log_out($request);
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144 $s->print($request);
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145 alarm(0);
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146 };
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147 alarm(0);
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148 if ($@) {
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149 log_in("died: $@");
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150 return undef;
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151 }
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152 return $s;
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153 }
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154
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155 sub http_end {
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156 my ($s) = @_;
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157 my $reply;
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158
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159 eval {
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160 local $SIG{ALRM} = sub { die "timeout\n" };
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161 local $SIG{PIPE} = sub { die "sigpipe\n" };
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162 alarm(2);
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163 local $/;
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164 $reply = $s->getline();
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165 log_in($reply);
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166 alarm(0);
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167 };
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168 alarm(0);
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169 if ($@) {
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170 log_in("died: $@");
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171 return undef;
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172 }
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173 return $reply;
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174 }
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175
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176 ###############################################################################
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177
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178 sub http_fake_daemon {
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179 my $server = IO::Socket::INET->new(
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180 Proto => 'tcp',
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181 LocalAddr => '127.0.0.1:8081',
191
bc6ecf23cc9c Tests: enlarge listen queue for cache lock tests.
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182 Listen => 5,
184
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183 Reuse => 1
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184 )
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185 or die "Can't create listening socket: $!\n";
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186
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187 my $num = 0;
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188 my $uri = '';
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189
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190 while (my $client = $server->accept()) {
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191 $client->autoflush(1);
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192
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193 while (<$client>) {
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194 if (/GET (.*) HTTP/ && $1 ne $uri) {
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195 $uri = $1;
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196 $num = 0;
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197 }
212
a7cc4371f4ad Tests: whitespace fixes.
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198
184
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199 $uri = $1 if /GET (.*) HTTP/;
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200 last if /^\x0d?\x0a?$/;
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201 }
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202
213
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203 next unless $uri;
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204
184
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205 sleep(1);
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206
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207 $num++;
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208 print $client <<"EOF";
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209 HTTP/1.1 200 OK
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210 Cache-Control: max-age=300
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211 Connection: close
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212
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213 request $num
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214 EOF
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215 }
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216 }
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217
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218 ###############################################################################