Mercurial > hg > nginx-tests

annotate proxy_upgrade.t @ 266:b350a2cdbf58

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Tests: fixed spelling errors in README.
author Ruslan Ermilov <ru@nginx.com>
date Wed, 27 Feb 2013 17:36:28 +0400
parents 71bb2a896c7a
children ccebd3168b5b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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263
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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 upgrade support. In contrast to proxy_websocket.t
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6 # this test doesn't try to use binary WebSocket protocol, but uses simple
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7 # plain text protol instead.
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8
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9 ###############################################################################
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10
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11 use warnings;
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12 use strict;
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13
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14 use Test::More;
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15
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16 use IO::Poll;
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17 use IO::Select;
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18 use IO::Socket::INET;
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19 use Socket qw/ CRLF /;
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20
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21 BEGIN { use FindBin; chdir($FindBin::Bin); }
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22
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23 use lib 'lib';
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24 use Test::Nginx;
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25
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26 ###############################################################################
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27
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28 select STDERR; $| = 1;
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29 select STDOUT; $| = 1;
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30
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31 my $t = Test::Nginx->new()->has(qw/http proxy/)
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32 ->write_file_expand('nginx.conf', <<'EOF')->plan(28);
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33
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34 %%TEST_GLOBALS%%
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35
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36 daemon off;
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37
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38 events {
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39 }
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40
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41 http {
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42 %%TEST_GLOBALS_HTTP%%
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43
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44 server {
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45 listen 127.0.0.1:8080;
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46 server_name localhost;
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47
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48 location / {
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49 proxy_pass http://127.0.0.1:8081;
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50 proxy_http_version 1.1;
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51 proxy_set_header Upgrade $http_upgrade;
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52 proxy_set_header Connection "Upgrade";
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53 proxy_read_timeout 2s;
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54 send_timeout 2s;
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55 }
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56 }
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57 }
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58
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59 EOF
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60
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61 $t->run_daemon(\&upgrade_fake_daemon);
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62 $t->run();
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63
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64 ###############################################################################
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65
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66 TODO: {
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67 local $TODO = 'not yet' unless $t->has_version('1.3.13');
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68
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69 # establish connection
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70
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71 my $s = upgrade_connect();
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72 ok($s, "handshake");
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73
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74 SKIP: {
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75 skip "handshake failed", 22 unless $s;
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76
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77 # send a frame
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78
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79 upgrade_write($s, 'foo');
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80 is(upgrade_read($s), 'bar', "upgrade response");
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81
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82 # send some big frame
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83
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84 upgrade_write($s, 'foo' x 16384);
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85 like(upgrade_read($s), qr/^(bar){16384}$/, "upgrade big response");
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86
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87 # send multiple frames
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88
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89 for my $i (1 .. 10) {
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90 upgrade_write($s, ('foo' x 16384) . $i);
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91 upgrade_write($s, 'bazz' . $i);
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92 }
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93
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94 for my $i (1 .. 10) {
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95 like(upgrade_read($s), qr/^(bar){16384}\d+$/, "upgrade $i");
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96 is(upgrade_read($s), 'bazz' . $i, "upgrade small $i");
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97 }
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98 }
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99
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100 # establish connection with some pipelined data
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101 # and make sure they are correctly passed upstream
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102
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103 undef $s;
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104 $s = upgrade_connect(message => "foo");
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105 ok($s, "handshake pipelined");
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106
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107 SKIP: {
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108 skip "handshake failed", 2 unless $s;
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109
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110 is(upgrade_read($s), "bar", "response pipelined");
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111
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112 upgrade_write($s, "foo");
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113 is(upgrade_read($s), "bar", "next to pipelined");
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114 }
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115
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116 # connection should not be upgraded unless upgrade was actually
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117 # requested and allowed by configuration
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118
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119 undef $s;
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120 $s = upgrade_connect(noheader => 1);
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121 ok($s, "handshake noupgrade");
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122
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123 SKIP: {
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124 skip "handshake failed", 2 unless $s;
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125
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126 upgrade_write($s, "foo");
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127 isnt(upgrade_read($s), "bar", "after handshake noupgrade");
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128 }
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129
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130 }
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131
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132 ###############################################################################
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133
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134 sub upgrade_connect {
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135 my (%opts) = @_;
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136
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137 my $s = IO::Socket::INET->new(
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138 Proto => 'tcp',
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139 PeerAddr => '127.0.0.1:8080'
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140 )
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141 or die "Can't connect to nginx: $!\n";
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142
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143 # send request, $h->to_string
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144
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145 my $buf = "GET / HTTP/1.1" . CRLF
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146 . "Host: localhost" . CRLF
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147 . ($opts{noheader} ? '' : "Upgrade: foo" . CRLF)
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148 . "Connection: Upgade" . CRLF . CRLF;
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149
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150 $buf .= $opts{message} . CRLF if defined $opts{message};
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151
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152 local $SIG{PIPE} = 'IGNORE';
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153
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154 log_out($buf);
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155 $s->print($buf);
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156
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157 # read response
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158
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159 my $got = '';
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160 $buf = '';
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161
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162 while (1) {
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163 $buf = $s->getline();
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164 last unless length $buf;
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165 log_in($buf);
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166 $got .= $buf;
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167 last if $got =~ /\x0d?\x0a\x0d?\x0a$/;
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168 }
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169
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170 # parse server response
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171
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172 return $s if $got =~ m!HTTP/1.1 101!;
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173 }
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174
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175 sub upgrade_write {
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176 my ($s, $message) = @_;
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177 $s->print($message . CRLF);
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178 }
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179
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180 sub upgrade_read {
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181 my ($s) = @_;
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182 my $m = $s->getline();
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183 $m =~ s/\x0d?\x0a// if defined $m;
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184 return $m;
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185 }
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186
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187 ###############################################################################
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188
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189 sub upgrade_fake_daemon {
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190 my $server = IO::Socket::INET->new(
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191 Proto => 'tcp',
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192 LocalAddr => '127.0.0.1:8081',
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193 Listen => 5,
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194 Reuse => 1
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195 )
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196 or die "Can't create listening socket: $!\n";
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197
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198 while (my $client = $server->accept()) {
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199 upgrade_handle_client($client);
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200 }
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201 }
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202
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203 sub upgrade_handle_client {
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204 my ($client) = @_;
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205
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206 $client->autoflush(1);
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207 $client->blocking(0);
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208
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209 my $poll = IO::Poll->new;
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210
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211 my $handshake = 1;
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212 my $unfinished = '';
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213 my $buffer = '';
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214 my $n;
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215
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216 log2c("(new connection $client)");
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217
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218 while (1) {
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219 $poll->mask($client => ($buffer ? POLLIN|POLLOUT : POLLIN));
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220 my $p = $poll->poll(0.5);
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221 log2c("(poll $p)");
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222
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223 foreach my $reader ($poll->handles(POLLIN)) {
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224 $n = $client->sysread(my $chunk, 65536);
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225 return unless $n;
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226
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227 log2i($chunk);
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228
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229 if ($handshake) {
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230 $buffer .= $chunk;
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231 next unless $buffer =~ /\x0d?\x0a\x0d?\x0a$/;
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232
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233 log2c("(handshake done)");
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234
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235 $handshake = 0;
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236 $buffer = 'HTTP/1.1 101 Switching' . CRLF
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237 . 'Upgrade: foo' . CRLF
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238 . 'Connection: Upgrade' . CRLF . CRLF;
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239
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diff changeset
240 next;
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241 }
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242
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243 $unfinished .= $chunk;
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244
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245 if ($unfinished =~ m/\x0d?\x0a\z/) {
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246 $unfinished =~ s/foo/bar/g;
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247 $buffer .= $unfinished;
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248 $unfinished = '';
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249 }
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250 }
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251
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diff changeset
252 foreach my $writer ($poll->handles(POLLOUT)) {
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253 next unless length $buffer;
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254 $n = $writer->syswrite($buffer);
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255 substr $buffer, 0, $n, '';
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256 }
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257 }
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258 }
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259
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260 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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261 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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262 sub log2c { Test::Nginx::log_core('||', @_); }
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263
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264 ###############################################################################