annotate h2_proxy_request_buffering.t @ 903:29aa547dd963

Tests: avoided potential hang in HTTP/2 unbuf request body tests. Made sure to close client connections.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 19 Apr 2016 14:26:04 +0300
parents 127a602f36c8
children cb8438c28482
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) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for HTTP/2 protocol with unbuffered request body.
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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 Socket qw/ CRLF /;
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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::HTTP2 qw/ :DEFAULT :frame :io /;
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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/http http_v2 proxy/);
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29
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30 $t->write_file_expand('nginx.conf', <<'EOF');
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31
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32 %%TEST_GLOBALS%%
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33
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34 daemon off;
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35
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36 events {
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37 }
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38
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39 http {
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40 %%TEST_GLOBALS_HTTP%%
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41
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42 server {
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43 listen 127.0.0.1:8080 http2;
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44 server_name localhost;
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45
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46 location / {
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47 proxy_request_buffering off;
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48 proxy_pass http://127.0.0.1:8081/;
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49 client_body_buffer_size 1k;
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50 }
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51 location /chunked {
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52 proxy_request_buffering off;
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53 proxy_http_version 1.1;
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54 proxy_pass http://127.0.0.1:8081/;
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55 client_body_buffer_size 1k;
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56 }
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57 }
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58 }
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59
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60 EOF
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61
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62 $t->run();
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63
903
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64 my $f = get_body('/chunked');
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65 plan(skip_all => 'no unbuffered request body') unless $f;
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66 $f->{http_end}();
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67
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68 $t->plan(48);
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69
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70 ###############################################################################
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71
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72 # unbuffered request body
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73
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74 $f = get_body('/', 'content-length' => 10);
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75 ok($f->{headers}, 'request');
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76 is($f->{upload}('01234', body_more => 1), '01234', 'part');
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77 is($f->{upload}('56789'), '56789', 'part 2');
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78 is($f->{http_end}(), 200, 'response');
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79
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80 $f = get_body('/', 'content-length' => 10);
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81 ok($f->{headers}, 'much');
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82 is($f->{upload}('0123456789', body_more => 1), '0123456789', 'much - part');
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83 is($f->{upload}('many'), '', 'much - part 2');
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84 is($f->{http_end}(), 400, 'much - response');
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85
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86 $f = get_body('/', 'content-length' => 10);
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87 ok($f->{headers}, 'less');
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88 is($f->{upload}('0123', body_more => 1), '0123', 'less - part');
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89 is($f->{upload}('56789'), '', 'less - part 2');
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90 is($f->{http_end}(), 400, 'less - response');
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91
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92 $f = get_body('/', 'content-length' => 18);
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93 ok($f->{headers}, 'many');
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94 is($f->{upload}('01234many', body_split => [ 5 ], body_more => 1),
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95 '01234many', 'many - part');
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96 is($f->{upload}('56789many', body_split => [ 5 ]),
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97 '56789many', 'many - part 2');
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98 is($f->{http_end}(), 200, 'many - response');
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99
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100 $f = get_body('/', 'content-length' => 0);
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101 ok($f->{headers}, 'empty');
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102 is($f->{upload}('', body_more => 1), '', 'empty - part');
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103 is($f->{upload}(''), '', 'empty - part 2');
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104 is($f->{http_end}(), 200, 'empty - response');
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105
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106 $f = get_body('/', 'content-length' => 1536);
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107 ok($f->{headers}, 'buffer');
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108 is($f->{upload}('0123' x 128, body_more => 1), '0123' x 128,
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109 'buffer - below');
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110 is($f->{upload}('4567' x 128, body_more => 1), '4567' x 128,
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111 'buffer - equal');
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112 is($f->{upload}('89AB' x 128), '89AB' x 128, 'buffer - above');
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113 is($f->{http_end}(), 200, 'buffer - response');
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114
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115 $f = get_body('/', 'content-length' => 10);
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116 ok($f->{headers}, 'split');
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117 is($f->{upload}('0123456789', split => [ 14 ]), '0123456789', 'split');
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118 is($f->{http_end}(), 200, 'split - response');
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119
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120 # unbuffered request body, chunked transfer-encoding
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121
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122 $f = get_body('/chunked');
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123 ok($f->{headers}, 'chunked');
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124 is($f->{upload}('01234', body_more => 1), '5' . CRLF . '01234' . CRLF,
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125 'chunked - part');
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126 is($f->{upload}('56789'), '5' . CRLF . '56789' . CRLF . '0' . CRLF . CRLF,
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127 'chunked - part 2');
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128 is($f->{http_end}(), 200, 'chunked - response');
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129
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130 $f = get_body('/chunked');
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131 ok($f->{headers}, 'chunked buffer');
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132 is($f->{upload}('0123' x 128, body_more => 1),
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133 '200' . CRLF . '0123' x 128 . CRLF, 'chunked buffer - below');
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134 is($f->{upload}('4567' x 128, body_more => 1),
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135 '200' . CRLF . '4567' x 128 . CRLF, 'chunked buffer - equal');
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136 is($f->{upload}('89AB' x 128),
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137 '200' . CRLF . '89AB' x 128 . CRLF . '0' . CRLF . CRLF,
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138 'chunked buffer - above');
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139 is($f->{http_end}(), 200, 'chunked buffer - response');
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140
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141 $f = get_body('/chunked');
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142 ok($f->{headers}, 'chunked many');
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143 is($f->{upload}('01234many', body_split => [ 5 ], body_more => 1),
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144 '9' . CRLF . '01234many' . CRLF, 'chunked many - part');
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145 is($f->{upload}('56789many', body_split => [ 5 ]),
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146 '9' . CRLF . '56789many' . CRLF . '0' . CRLF . CRLF,
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147 'chunked many - part 2');
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148 is($f->{http_end}(), 200, 'chunked many - response');
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149
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150 $f = get_body('/chunked');
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151 ok($f->{headers}, 'chunked empty');
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152 is($f->{upload}('', body_more => 1), '', 'chunked empty - part');
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153 is($f->{upload}(''), '0' . CRLF . CRLF, 'chunked empty - part 2');
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154 is($f->{http_end}(), 200, 'chunked empty - response');
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155
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156 $f = get_body('/chunked');
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157 ok($f->{headers}, 'chunked split');
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158 is($f->{upload}('0123456789', split => [ 14 ]),
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159 '5' . CRLF . '01234' . CRLF . '5' . CRLF . '56789' . CRLF .
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160 '0' . CRLF . CRLF, 'chunked split');
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161 is($f->{http_end}(), 200, 'chunked split - response');
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162
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163 ###############################################################################
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164
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165 sub get_body {
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166 my ($url, %extra) = @_;
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167 my ($server, $client, $f);
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168
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169 $server = IO::Socket::INET->new(
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170 Proto => 'tcp',
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171 LocalHost => '127.0.0.1',
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172 LocalPort => 8081,
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173 Listen => 5,
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174 Timeout => 3,
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175 Reuse => 1
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176 )
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177 or die "Can't create listening socket: $!\n";
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178
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179 my $sess = new_session(8080);
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180 my $sid = exists $extra{'content-length'}
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181 ? new_stream($sess, { headers => [
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182 { name => ':method', value => 'GET' },
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183 { name => ':scheme', value => 'http' },
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184 { name => ':path', value => $url, },
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185 { name => ':authority', value => 'localhost' },
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186 { name => 'content-length',
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187 value => $extra{'content-length'} }],
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188 body_more => 1 })
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189 : new_stream($sess, { path => $url, body_more => 1 });
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190
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191 $client = $server->accept() or return;
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192
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193 log2c("(new connection $client)");
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194
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195 $f->{headers} = raw_read($client, '', 1, \&log2i);
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196
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197 my $chunked = $f->{headers} =~ /chunked/;
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198
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199 my $body_read = sub {
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200 my ($s, $buf, $len) = @_;
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201
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202 for (1 .. 10) {
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203 $buf = raw_read($s, $buf, length($buf) + 1, \&log2i)
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204 or return '';
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205
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206 my $got = 0;
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207 $got += $chunked ? hex $_ : $_ for $chunked
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208 ? $buf =~ /(\w+)\x0d\x0a?\w+\x0d\x0a?/g
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209 : length($buf);
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210 last if $got >= $len;
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211 }
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212
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213 return $buf;
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214 };
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215
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216 $f->{upload} = sub {
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217 my ($body, %extra) = @_;
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218
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219 h2_body($sess, $body, { %extra });
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220
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221 return $body_read->($client, '', length($body));
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222 };
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223 $f->{http_end} = sub {
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224 $client->write(<<EOF);
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225 HTTP/1.1 200 OK
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226 Connection: close
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227
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228 EOF
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229
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230 $client->close;
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231
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232 my $frames = h2_read($sess, all => [{ sid => $sid, fin => 1 }]);
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233 my ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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234 return $frame->{headers}->{':status'};
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235 };
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236 return $f;
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237 }
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238
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239 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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240 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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241 sub log2c { Test::Nginx::log_core('||', @_); }
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242
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243 ###############################################################################