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annotate fastcgi_keepalive.t @ 273:36c75df75ca4

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Tests: fix startup race in fastcgi_keepalive.t, proxy_keepalive.t.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 21 Mar 2013 21:02:15 +0400
parents 957fe2a76aa7
children 6cbcfb4ef7ee
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0c9f15938545 Tests: upstream keepalive tests imported.
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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 # Test for fastcgi backend with keepalive.
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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
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14 BEGIN { use FindBin; chdir($FindBin::Bin); }
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15
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16 use lib 'lib';
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17 use Test::Nginx;
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18
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19 ###############################################################################
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20
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21 select STDERR; $| = 1;
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22 select STDOUT; $| = 1;
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23
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24 my $t = Test::Nginx->new()->write_file_expand('nginx.conf', <<'EOF')->plan(6);
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25
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26 %%TEST_GLOBALS%%
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27
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28 daemon off;
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29
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30 events {
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31 }
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32
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33 http {
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34 %%TEST_GLOBALS_HTTP%%
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35
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36 upstream backend {
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37 server 127.0.0.1:8081;
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38 keepalive 1;
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39 }
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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 fastcgi_pass backend;
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47 fastcgi_keep_conn on;
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48 }
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49 }
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50 }
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51
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52 EOF
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53
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54 $t->run_daemon(\&fastcgi_test_daemon);
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55 $t->run();
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56
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57 $t->waitforsocket('127.0.0.1:8081')
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58 or die "Can't start test backend";
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59
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60 ###############################################################################
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61
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62 like(http_get('/'), qr/SEE-THIS/, 'fastcgi request');
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63 like(http_get('/redir'), qr/302/, 'fastcgi redirect');
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64 like(http_get('/'), qr/^request: 3$/m, 'fastcgi third request');
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65
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66 TODO: {
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67 local $TODO = 'not yet' unless $t->has_version('1.3.12');
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68
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69 like(http_get('/single'), qr/^connection: 1$/m, 'single connection used');
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70
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71 }
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72
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73 # New connection to fastcgi application should be established after HEAD
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74 # requests since nginx doesn't read whole response (as it doesn't need
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75 # body).
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76
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77 unlike(http_head('/head'), qr/SEE-THIS/, 'no data in HEAD');
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78
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79 TODO: {
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80 local $TODO = 'not yet' unless $t->has_version('1.3.12');
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81
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82 like(http_get('/after'), qr/^connection: 2$/m, 'new connection after HEAD');
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83
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84 }
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85
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86 ###############################################################################
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87
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88 # Simple FastCGI responder implementation. Unlike FCGI and FCGI::Async it's
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89 # able to count connections.
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90
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91 # http://www.fastcgi.com/devkit/doc/fcgi-spec.html
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92
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93 sub fastcgi_read_record($) {
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94 my ($socket) = @_;
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95
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96 my ($n, $h, $header);
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97
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98 $n = $socket->read($header, 8);
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99 return undef if !defined $n or $n != 8;
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100
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101 @{$h}{qw/ version type id clen plen /} = unpack("CCnnC", $header);
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102
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103 $n = $socket->read($h->{content}, $h->{clen});
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104 return undef if $n != $h->{clen};
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105
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106 $n = $socket->read($h->{padding}, $h->{plen});
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107 return undef if $n != $h->{plen};
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108
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109 $h->{socket} = $socket;
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110 return $h;
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111 }
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112
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113 sub fastcgi_respond($$) {
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114 my ($h, $body) = @_;
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115
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116 # stdout
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117 $h->{socket}->write(pack("CCnnCx", $h->{version}, 6, $h->{id},
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118 length($body), 8));
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119 $h->{socket}->write($body);
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120 select(undef, undef, undef, 0.1);
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121 $h->{socket}->write(pack("xxxxxxxx"));
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122 select(undef, undef, undef, 0.1);
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123
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124 # write some text to stdout and stderr splitted over multiple network
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125 # packets to test if we correctly set pipe length in various places
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126
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127 my $tt = "test text, just for test";
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128
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129 $h->{socket}->write(pack("CCnnCx", $h->{version}, 6, $h->{id},
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130 length($tt . $tt), 0) . $tt);
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131 select(undef, undef, undef, 0.1);
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132 $h->{socket}->write($tt . pack("CC", $h->{version}, 7));
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133 select(undef, undef, undef, 0.1);
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134 $h->{socket}->write(pack("nnCx", $h->{id}, length($tt), 0));
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135 select(undef, undef, undef, 0.1);
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136 $h->{socket}->write($tt);
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137 select(undef, undef, undef, 0.1);
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138
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139 # close stdout
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140 $h->{socket}->write(pack("CCnnCx", $h->{version}, 6, $h->{id}, 0, 0));
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141
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142 select(undef, undef, undef, 0.1);
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143
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144 # end request
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145 $h->{socket}->write(pack("CCnnCx", $h->{version}, 3, $h->{id}, 8, 0));
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146 select(undef, undef, undef, 0.1);
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147 $h->{socket}->write(pack("NCxxx", 0, 0));
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148 }
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149
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150 sub fastcgi_test_daemon {
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151 my $server = IO::Socket::INET->new(
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152 Proto => 'tcp',
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153 LocalAddr => '127.0.0.1:8081',
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154 Listen => 5,
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155 Reuse => 1
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156 )
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157 or die "Can't create listening socket: $!\n";
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158
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159 local $SIG{PIPE} = 'IGNORE';
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160
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161 my $ccount = 0;
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162 my $rcount = 0;
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163
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164 while (my $client = $server->accept()) {
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165 $client->autoflush(1);
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166 Test::Nginx::log_core('||', "fastcgi connection");
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167
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168 $ccount++;
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169
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170 while (my $h = fastcgi_read_record($client)) {
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171 Test::Nginx::log_core('||', "fastcgi record: "
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172 . " $h->{version}, $h->{type}, $h->{id}, "
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173 . "'$h->{content}'");
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174
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175 # skip everything unless stdin, then respond
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176 next if $h->{type} != 5;
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177
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178 $rcount++;
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179
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180 # respond
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181 fastcgi_respond($h, <<EOF);
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182 Location: http://localhost:8080/redirect
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183 Content-Type: text/html
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184
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185 SEE-THIS
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186 request: $rcount
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187 connection: $ccount
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188 EOF
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189 }
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190
273
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191 $ccount-- unless $rcount;
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192
250
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193 close $client;
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194 }
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195 }
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196
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197 ###############################################################################