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annotate proxy_upgrade.t @ 1155:d37983612b04

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Tests: adjusted read timeout in proxy upgrade tests for slow hosts.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 28 Mar 2017 17:57:49 +0300
parents 882267679006
children a79bf84726af
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 # Tests for http proxy upgrade support.
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6 # In contrast to proxy_websocket.t, this test doesn't try to use binary
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7 # WebSocket protocol, but uses simple plain text protocol 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 Socket qw/ CRLF /;
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19
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20 BEGIN { use FindBin; chdir($FindBin::Bin); }
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21
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22 use lib 'lib';
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23 use Test::Nginx;
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24
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25 ###############################################################################
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26
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27 select STDERR; $| = 1;
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28 select STDOUT; $| = 1;
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29
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30 my $t = Test::Nginx->new()->has(qw/http proxy/)
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31 ->write_file_expand('nginx.conf', <<'EOF')->plan(30);
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32
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33 %%TEST_GLOBALS%%
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34
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35 daemon off;
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36
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37 events {
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38 }
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39
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40 http {
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41 %%TEST_GLOBALS_HTTP%%
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42
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43 log_format test "$bytes_sent $body_bytes_sent";
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44 access_log %%TESTDIR%%/cc.log test;
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45
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46 server {
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47 listen 127.0.0.1:8080;
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48 server_name localhost;
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49
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50 location / {
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51 proxy_pass http://127.0.0.1:8081;
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52 proxy_http_version 1.1;
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53 proxy_set_header Upgrade $http_upgrade;
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54 proxy_set_header Connection "Upgrade";
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55 proxy_read_timeout 2s;
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56 send_timeout 2s;
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57 }
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58 }
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59 }
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60
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61 EOF
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62
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63 my $d = $t->testdir();
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64
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65 $t->run_daemon(\&upgrade_fake_daemon);
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66 $t->run();
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67
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68 $t->waitforsocket('127.0.0.1:' . port(8081))
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69 or die "Can't start test backend";
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70
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71 ###############################################################################
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72
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73 # establish connection
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74
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75 my @r;
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76 my $s = upgrade_connect();
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77 ok($s, "handshake");
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78
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79 SKIP: {
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80 skip "handshake failed", 22 unless $s;
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81
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82 # send a frame
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83
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84 upgrade_write($s, 'foo');
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85 is(upgrade_read($s), 'bar', "upgrade response");
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86
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87 # send some big frame
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88
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89 upgrade_write($s, 'foo' x 16384);
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90 like(upgrade_read($s), qr/^(bar){16384}$/, "upgrade big response");
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91
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92 # send multiple frames
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93
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94 for my $i (1 .. 10) {
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95 upgrade_write($s, ('foo' x 16384) . $i);
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96 upgrade_write($s, 'bazz' . $i);
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97 }
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98
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99 for my $i (1 .. 10) {
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100 like(upgrade_read($s), qr/^(bar){16384}\d+$/, "upgrade $i");
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101 is(upgrade_read($s), 'bazz' . $i, "upgrade small $i");
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102 }
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103 }
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104
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105 push @r, $s ? ${*$s}->{_upgrade_private}->{r} : 'failed';
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106 undef $s;
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107
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108 # establish connection with some pipelined data
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109 # and make sure they are correctly passed upstream
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110
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111 $s = upgrade_connect(message => "foo");
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112 ok($s, "handshake pipelined");
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113
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114 SKIP: {
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115 skip "handshake failed", 2 unless $s;
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116
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117 is(upgrade_read($s), "bar", "response pipelined");
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118
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119 upgrade_write($s, "foo");
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120 is(upgrade_read($s), "bar", "next to pipelined");
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121 }
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122
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123 push @r, $s ? ${*$s}->{_upgrade_private}->{r} : 'failed';
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124 undef $s;
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125
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126 # connection should not be upgraded unless upgrade was actually
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127 # requested and allowed by configuration
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128
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129 $s = upgrade_connect(noheader => 1);
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130 ok(!$s, "handshake noupgrade");
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131
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132 # bytes sent on upgraded connection
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133 # verify with 1) data actually read by client, 2) expected data from backend
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134
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135 $t->stop();
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136
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137 open my $f, '<', "$d/cc.log" or die "Can't open cc.log: $!";
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138
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139 is($f->getline(), shift (@r) . " 540793\n", 'log - bytes');
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140 is($f->getline(), shift (@r) . " 22\n", 'log - bytes pipelined');
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141 like($f->getline(), qr/\d+ 0\n/, 'log - bytes noupgrade');
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142
263
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143 ###############################################################################
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144
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145 sub upgrade_connect {
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146 my (%opts) = @_;
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147
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148 my $s = IO::Socket::INET->new(
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149 Proto => 'tcp',
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150 PeerAddr => '127.0.0.1:' . port(8080),
263
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151 )
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152 or die "Can't connect to nginx: $!\n";
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153
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154 # send request, $h->to_string
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155
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156 my $buf = "GET / HTTP/1.1" . CRLF
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157 . "Host: localhost" . CRLF
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158 . ($opts{noheader} ? '' : "Upgrade: foo" . CRLF)
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159 . "Connection: Upgrade" . CRLF . CRLF;
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160
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161 $buf .= $opts{message} . CRLF if defined $opts{message};
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162
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163 local $SIG{PIPE} = 'IGNORE';
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164
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165 log_out($buf);
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166 $s->syswrite($buf);
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167
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168 # read response
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169
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170 my $got = '';
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171 $buf = '';
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172
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173 while (1) {
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174 $buf = upgrade_getline($s);
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175 last unless defined $buf and length $buf;
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176 log_in($buf);
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177 $got .= $buf;
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178 last if $got =~ /\x0d?\x0a\x0d?\x0a$/;
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179 }
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180
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181 # parse server response
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182
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183 return if $got !~ m!HTTP/1.1 101!;
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184
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185 # make sure next line is "handshaked"
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186
280
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187 $buf = upgrade_read($s);
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188
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189 return if !defined $buf or $buf ne 'handshaked';
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190 return $s;
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191 }
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192
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193 sub upgrade_getline {
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194 my ($s) = @_;
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195 my ($h, $buf);
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196
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197 ${*$s}->{_upgrade_private} ||= { b => '', r => 0 };
279
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198 $h = ${*$s}->{_upgrade_private};
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199
279
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200 if ($h->{b} =~ /^(.*?\x0a)(.*)/ms) {
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201 $h->{b} = $2;
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202 return $1;
277
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203 }
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204
279
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205 $s->blocking(0);
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206 while (IO::Select->new($s)->can_read(3)) {
279
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207 my $n = $s->sysread($buf, 1024);
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208 last unless $n;
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209
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210 $h->{b} .= $buf;
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211 $h->{r} += $n;
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212
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213 if ($h->{b} =~ /^(.*?\x0a)(.*)/ms) {
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214 $h->{b} = $2;
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215 return $1;
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216 }
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217 };
263
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218 }
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219
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220 sub upgrade_write {
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221 my ($s, $message) = @_;
279
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222
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223 $message = $message . CRLF;
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224
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diff changeset
225 local $SIG{PIPE} = 'IGNORE';
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226
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227 $s->blocking(0);
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228 while (IO::Select->new($s)->can_write(1.5)) {
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229 my $n = $s->syswrite($message);
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230 last unless $n;
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231 $message = substr($message, $n);
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232 last unless length $message;
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233 }
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234
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diff changeset
235 if (length $message) {
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236 $s->close();
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237 }
263
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238 }
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239
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240 sub upgrade_read {
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241 my ($s) = @_;
277
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242 my $m = upgrade_getline($s);
263
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243 $m =~ s/\x0d?\x0a// if defined $m;
277
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diff changeset
244 log_in($m);
263
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245 return $m;
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246 }
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247
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248 ###############################################################################
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249
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250 sub upgrade_fake_daemon {
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251 my $server = IO::Socket::INET->new(
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252 Proto => 'tcp',
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253 LocalAddr => '127.0.0.1:' . port(8081),
263
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254 Listen => 5,
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255 Reuse => 1
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256 )
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257 or die "Can't create listening socket: $!\n";
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258
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259 while (my $client = $server->accept()) {
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260 upgrade_handle_client($client);
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a9569f57da98 Tests: whitespaces fix.
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diff changeset
261 }
263
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262 }
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263
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diff changeset
264 sub upgrade_handle_client {
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265 my ($client) = @_;
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266
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267 $client->autoflush(1);
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268 $client->blocking(0);
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269
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270 my $poll = IO::Poll->new;
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271
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272 my $handshake = 1;
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273 my $unfinished = '';
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274 my $buffer = '';
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275 my $n;
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276
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277 log2c("(new connection $client)");
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278
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279 while (1) {
343
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diff changeset
280 $poll->mask($client => ($buffer ? POLLIN|POLLOUT : POLLIN));
263
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281 my $p = $poll->poll(0.5);
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282 log2c("(poll $p)");
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283
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284 foreach my $reader ($poll->handles(POLLIN)) {
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285 $n = $client->sysread(my $chunk, 65536);
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286 return unless $n;
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287
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288 log2i($chunk);
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289
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290 if ($handshake) {
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291 $buffer .= $chunk;
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292 next unless $buffer =~ /\x0d?\x0a\x0d?\x0a$/;
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293
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294 log2c("(handshake done)");
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295
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296 $handshake = 0;
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297 $buffer = 'HTTP/1.1 101 Switching' . CRLF
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298 . 'Upgrade: foo' . CRLF
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299 . 'Connection: Upgrade' . CRLF . CRLF
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300 . 'handshaked' . CRLF;
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301
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302 log2o($buffer);
263
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303
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304 next;
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305 }
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306
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307 $unfinished .= $chunk;
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308
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309 if ($unfinished =~ m/\x0d?\x0a\z/) {
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310 $unfinished =~ s/foo/bar/g;
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311 log2o($unfinished);
263
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312 $buffer .= $unfinished;
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313 $unfinished = '';
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314 }
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315 }
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316
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317 foreach my $writer ($poll->handles(POLLOUT)) {
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318 next unless length $buffer;
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319 $n = $writer->syswrite($buffer);
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320 substr $buffer, 0, $n, '';
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321 }
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322 }
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323 }
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324
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325 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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326 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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327 sub log2c { Test::Nginx::log_core('||', @_); }
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328
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329 ###############################################################################