annotate stream_limit_rate2.t @ 1585:bff287fbf347

Tests: added proxy_cookie_domain/path tests with "off" parameter.
author Sergey Kandaurov <pluknet@nginx.com>
date Thu, 23 Jul 2020 12:17:39 +0300
parents ddbde6c5b0cd
children f3ba4c74de31
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) Andrey Zelenkov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for stream proxy module, limit rate directives, variables support.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 use IO::Select;
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16
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17 BEGIN { use FindBin; chdir($FindBin::Bin); }
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18
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19 use lib 'lib';
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20 use Test::Nginx;
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21 use Test::Nginx::Stream qw/ stream /;
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22
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23 ###############################################################################
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24
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25 select STDERR; $| = 1;
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26 select STDOUT; $| = 1;
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27
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28 my $t = Test::Nginx->new()->has(qw/stream stream_map/)
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29 ->write_file_expand('nginx.conf', <<'EOF');
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30
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31 %%TEST_GLOBALS%%
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32
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33 daemon off;
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34
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35 events {
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36 }
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37
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38 stream {
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39 # download and upload rates are set equal to the maximum
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40 # number of bytes transmitted
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41
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42 # proxy_download_rate value comes from following calculations:
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43 # test string length (1000) + whitespace (1) + time string length (10)
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44
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45 map $server_port $down {
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46 default 1011;
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47 %%PORT_8082%% 0;
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48 %%PORT_8083%% 1;
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49 %%PORT_8085%% 250;
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50 }
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51
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52 map $server_port $up {
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53 default 1000;
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54 %%PORT_8082%% 0;
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55 %%PORT_8084%% 1;
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56 %%PORT_8086%% 250;
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57 }
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58
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59 proxy_download_rate $down;
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60 proxy_upload_rate $up;
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61
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62 server {
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63 listen 127.0.0.1:8081;
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64 proxy_pass 127.0.0.1:8080;
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65 }
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66
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67 server {
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68 listen 127.0.0.1:8082;
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69 proxy_pass 127.0.0.1:8080;
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70 proxy_download_rate $down;
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71 proxy_upload_rate $up;
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72 }
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74 server {
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75 listen 127.0.0.1:8083;
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76 proxy_pass 127.0.0.1:8080;
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77 proxy_download_rate $down;
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78 }
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80 server {
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81 listen 127.0.0.1:8084;
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82 proxy_pass 127.0.0.1:8080;
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83 proxy_upload_rate $up;
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84 }
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85
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86 server {
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87 listen 127.0.0.1:8085;
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88 proxy_pass 127.0.0.1:8080;
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89 proxy_download_rate $down;
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90 }
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91
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92 server {
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93 listen 127.0.0.1:8086;
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94 proxy_pass 127.0.0.1:8087;
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95 proxy_upload_rate $up;
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96 }
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97 }
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98
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99 EOF
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100
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101 $t->run_daemon(\&stream_daemon, port(8080));
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102 $t->run_daemon(\&stream_daemon, port(8087));
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103 $t->try_run('no proxy_download_rate variables')->plan(9);
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104
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105 $t->waitforsocket('127.0.0.1:' . port(8080));
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106 $t->waitforsocket('127.0.0.1:' . port(8087));
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107
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108 ###############################################################################
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109
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110 my $str = '1234567890' x 100;
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111
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112 my %r = response($str, peer => '127.0.0.1:' . port(8081));
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113 is($r{'data'}, $str, 'exact limit');
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114
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115 %r = response($str . 'extra', peer => '127.0.0.1:' . port(8082));
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116 is($r{'data'}, $str . 'extra', 'unlimited');
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117
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118 SKIP: {
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119 skip 'unsafe on VM', 3 unless $ENV{TEST_NGINX_UNSAFE};
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120
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121 # if interaction between backend and client is slow then proxy can add extra
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122 # bytes to upload/download data
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123
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124 %r = response($str . 'extra', peer => '127.0.0.1:' . port(8081));
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125 is($r{'data'}, $str, 'limited');
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126
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127 %r = response($str, peer => '127.0.0.1:' . port(8083), readonce => 1);
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128 is($r{'data'}, '1', 'download - one byte');
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129
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130 %r = response($str, peer => '127.0.0.1:' . port(8084));
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131 is($r{'data'}, '1', 'upload - one byte');
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132
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133 }
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134
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135 # Five chunks are split with four 1s delays:
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136 # the first four chunks are quarters of test string
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137 # and the fifth one is some extra data from backend.
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138
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139 %r = response($str, peer => '127.0.0.1:' . port(8085));
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140 my $diff = time() - $r{'time'};
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141 cmp_ok($diff, '>=', 4, 'download - time');
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142 is($r{'data'}, $str, 'download - data');
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143
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144 my $time = time();
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145 %r = response($str . 'close', peer => '127.0.0.1:' . port(8086));
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146 $diff = time() - $time;
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147 cmp_ok($diff, '>=', 4, 'upload - time');
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148 is($r{'data'}, $str . 'close', 'upload - data');
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149
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150 ###############################################################################
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151
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152 sub response {
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153 my ($data, %extra) = @_;
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154
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155 my $s = stream($extra{peer});
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156 $s->write($data);
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157
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158 $data = '';
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159 while (1) {
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160 my $buf = $s->read();
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161 last unless length($buf);
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162
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163 $data .= $buf;
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164
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165 last if $extra{'readonce'};
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166 }
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167 $data =~ /([\S]*)\s?(\d+)?/;
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168
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169 return ('data' => $1, 'time' => $2)
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170 }
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171
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172 ###############################################################################
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173
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174 sub stream_daemon {
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175 my $port = shift;
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176
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177 my $server = IO::Socket::INET->new(
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178 Proto => 'tcp',
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179 LocalAddr => '127.0.0.1',
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180 LocalPort => $port,
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181 Listen => 5,
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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 $sel = IO::Select->new($server);
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187
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188 local $SIG{PIPE} = 'IGNORE';
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189
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190 while (my @ready = $sel->can_read) {
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191 foreach my $fh (@ready) {
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192 if ($server == $fh) {
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193 my $new = $fh->accept;
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194 $new->autoflush(1);
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195 $sel->add($new);
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196
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197 } elsif (stream_handle_client($fh)) {
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198 $sel->remove($fh);
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199 $fh->close;
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200 }
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201 }
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202 }
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203 }
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204
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205 sub stream_handle_client {
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206 my ($client) = @_;
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207
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208 log2c("(new connection $client)");
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209
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210 $client->sysread(my $buffer, 65536) or return 1;
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211
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212 log2i("$client $buffer");
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213
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214 $buffer .= " " . time() if $client->sockport() eq port(8080);
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215
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216 log2o("$client $buffer");
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217
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218 $client->syswrite($buffer);
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219
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220 return $client->sockport() eq port(8080) ? 1 : $buffer =~ /close/;
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221 }
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222
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223 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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224 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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225 sub log2c { Test::Nginx::log_core('||', @_); }
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226
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227 ###############################################################################