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annotate fastcgi_keepalive.t @ 275:6cbcfb4ef7ee

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Tests: correct has() checks for upstream keepalive tests.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 21 Mar 2013 22:00:45 +0400
parents 36c75df75ca4
children 94f8ee2f6688
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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()->has(qw/http fastcgi upstream_keepalive/)->plan(6)
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25 ->write_file_expand('nginx.conf', <<'EOF');
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26
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27 %%TEST_GLOBALS%%
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28
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29 daemon off;
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30
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31 events {
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32 }
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33
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34 http {
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35 %%TEST_GLOBALS_HTTP%%
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36
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37 upstream backend {
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38 server 127.0.0.1:8081;
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39 keepalive 1;
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40 }
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41
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42 server {
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43 listen 127.0.0.1:8080;
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44 server_name localhost;
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45
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46 location / {
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47 fastcgi_pass backend;
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48 fastcgi_keep_conn on;
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49 }
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50 }
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51 }
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52
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53 EOF
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54
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55 $t->run_daemon(\&fastcgi_test_daemon);
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56 $t->run();
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57
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58 $t->waitforsocket('127.0.0.1:8081')
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59 or die "Can't start test backend";
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60
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61 ###############################################################################
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62
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63 like(http_get('/'), qr/SEE-THIS/, 'fastcgi request');
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64 like(http_get('/redir'), qr/302/, 'fastcgi redirect');
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65 like(http_get('/'), qr/^request: 3$/m, 'fastcgi third request');
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66
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67 TODO: {
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68 local $TODO = 'not yet' unless $t->has_version('1.3.12');
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69
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70 like(http_get('/single'), qr/^connection: 1$/m, 'single connection used');
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71
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72 }
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73
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74 # New connection to fastcgi application should be established after HEAD
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75 # requests since nginx doesn't read whole response (as it doesn't need
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76 # body).
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77
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78 unlike(http_head('/head'), qr/SEE-THIS/, 'no data in HEAD');
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79
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80 TODO: {
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81 local $TODO = 'not yet' unless $t->has_version('1.3.12');
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82
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83 like(http_get('/after'), qr/^connection: 2$/m, 'new connection after HEAD');
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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
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89 # Simple FastCGI responder implementation. Unlike FCGI and FCGI::Async it's
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90 # able to count connections.
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91
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92 # http://www.fastcgi.com/devkit/doc/fcgi-spec.html
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93
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94 sub fastcgi_read_record($) {
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95 my ($socket) = @_;
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96
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97 my ($n, $h, $header);
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98
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99 $n = $socket->read($header, 8);
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100 return undef if !defined $n or $n != 8;
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101
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102 @{$h}{qw/ version type id clen plen /} = unpack("CCnnC", $header);
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103
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104 $n = $socket->read($h->{content}, $h->{clen});
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105 return undef if $n != $h->{clen};
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106
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107 $n = $socket->read($h->{padding}, $h->{plen});
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108 return undef if $n != $h->{plen};
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109
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110 $h->{socket} = $socket;
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111 return $h;
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112 }
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113
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114 sub fastcgi_respond($$) {
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115 my ($h, $body) = @_;
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116
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117 # stdout
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118 $h->{socket}->write(pack("CCnnCx", $h->{version}, 6, $h->{id},
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119 length($body), 8));
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120 $h->{socket}->write($body);
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121 select(undef, undef, undef, 0.1);
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122 $h->{socket}->write(pack("xxxxxxxx"));
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123 select(undef, undef, undef, 0.1);
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124
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125 # write some text to stdout and stderr splitted over multiple network
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126 # packets to test if we correctly set pipe length in various places
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127
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128 my $tt = "test text, just for test";
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129
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130 $h->{socket}->write(pack("CCnnCx", $h->{version}, 6, $h->{id},
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131 length($tt . $tt), 0) . $tt);
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132 select(undef, undef, undef, 0.1);
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133 $h->{socket}->write($tt . pack("CC", $h->{version}, 7));
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134 select(undef, undef, undef, 0.1);
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135 $h->{socket}->write(pack("nnCx", $h->{id}, length($tt), 0));
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136 select(undef, undef, undef, 0.1);
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137 $h->{socket}->write($tt);
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138 select(undef, undef, undef, 0.1);
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139
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140 # close stdout
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141 $h->{socket}->write(pack("CCnnCx", $h->{version}, 6, $h->{id}, 0, 0));
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142
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143 select(undef, undef, undef, 0.1);
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144
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145 # end request
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146 $h->{socket}->write(pack("CCnnCx", $h->{version}, 3, $h->{id}, 8, 0));
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147 select(undef, undef, undef, 0.1);
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148 $h->{socket}->write(pack("NCxxx", 0, 0));
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149 }
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150
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151 sub fastcgi_test_daemon {
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152 my $server = IO::Socket::INET->new(
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153 Proto => 'tcp',
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154 LocalAddr => '127.0.0.1:8081',
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155 Listen => 5,
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156 Reuse => 1
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157 )
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158 or die "Can't create listening socket: $!\n";
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159
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160 local $SIG{PIPE} = 'IGNORE';
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161
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162 my $ccount = 0;
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163 my $rcount = 0;
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164
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165 while (my $client = $server->accept()) {
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166 $client->autoflush(1);
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167 Test::Nginx::log_core('||', "fastcgi connection");
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168
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169 $ccount++;
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170
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171 while (my $h = fastcgi_read_record($client)) {
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172 Test::Nginx::log_core('||', "fastcgi record: "
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173 . " $h->{version}, $h->{type}, $h->{id}, "
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174 . "'$h->{content}'");
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175
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176 # skip everything unless stdin, then respond
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177 next if $h->{type} != 5;
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178
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179 $rcount++;
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180
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181 # respond
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182 fastcgi_respond($h, <<EOF);
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183 Location: http://localhost:8080/redirect
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184 Content-Type: text/html
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185
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186 SEE-THIS
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187 request: $rcount
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188 connection: $ccount
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189 EOF
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190 }
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191
273
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192 $ccount-- unless $rcount;
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193
250
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194 close $client;
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195 }
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196 }
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197
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198 ###############################################################################