Mercurial > hg > nginx-tests

annotate proxy_upgrade.t @ 583:5276aceb32a6

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Tests: style, no functional changes.
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 20 May 2015 14:42:51 +0300
parents fc6b8270469c
children 7d6db4ac6ab0
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.
263
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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(27);
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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 server {
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44 listen 127.0.0.1:8080;
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45 server_name localhost;
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46
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47 location / {
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48 proxy_pass http://127.0.0.1:8081;
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49 proxy_http_version 1.1;
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50 proxy_set_header Upgrade $http_upgrade;
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51 proxy_set_header Connection "Upgrade";
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52 proxy_read_timeout 2s;
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53 send_timeout 2s;
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54 }
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55 }
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56 }
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57
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58 EOF
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59
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60 $t->run_daemon(\&upgrade_fake_daemon);
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61 $t->run();
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62
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63 $t->waitforsocket('127.0.0.1:8081')
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64 or die "Can't start test backend";
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65
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66 ###############################################################################
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67
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68 # establish connection
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69
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70 my $s = upgrade_connect();
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71 ok($s, "handshake");
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72
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73 SKIP: {
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74 skip "handshake failed", 22 unless $s;
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75
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76 # send a frame
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77
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78 upgrade_write($s, 'foo');
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79 is(upgrade_read($s), 'bar', "upgrade response");
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80
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81 # send some big frame
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82
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83 upgrade_write($s, 'foo' x 16384);
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84 like(upgrade_read($s), qr/^(bar){16384}$/, "upgrade big response");
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85
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86 # send multiple frames
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87
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88 for my $i (1 .. 10) {
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89 upgrade_write($s, ('foo' x 16384) . $i);
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90 upgrade_write($s, 'bazz' . $i);
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91 }
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92
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93 for my $i (1 .. 10) {
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94 like(upgrade_read($s), qr/^(bar){16384}\d+$/, "upgrade $i");
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95 is(upgrade_read($s), 'bazz' . $i, "upgrade small $i");
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96 }
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97 }
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98
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99 undef $s;
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100
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101 # establish connection with some pipelined data
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102 # and make sure they are correctly passed upstream
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103
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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 undef $s;
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117
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118 # connection should not be upgraded unless upgrade was actually
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119 # requested and allowed by configuration
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120
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121 $s = upgrade_connect(noheader => 1);
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122 ok(!$s, "handshake noupgrade");
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123
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124 ###############################################################################
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125
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126 sub upgrade_connect {
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127 my (%opts) = @_;
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128
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129 my $s = IO::Socket::INET->new(
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130 Proto => 'tcp',
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131 PeerAddr => '127.0.0.1:8080',
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132 )
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133 or die "Can't connect to nginx: $!\n";
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134
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135 # send request, $h->to_string
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136
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137 my $buf = "GET / HTTP/1.1" . CRLF
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138 . "Host: localhost" . CRLF
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139 . ($opts{noheader} ? '' : "Upgrade: foo" . CRLF)
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140 . "Connection: Upgrade" . CRLF . CRLF;
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141
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142 $buf .= $opts{message} . CRLF if defined $opts{message};
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143
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144 local $SIG{PIPE} = 'IGNORE';
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145
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146 log_out($buf);
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diff changeset
147 $s->syswrite($buf);
263
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148
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149 # read response
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150
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diff changeset
151 my $got = '';
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152 $buf = '';
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153
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diff changeset
154 while (1) {
277
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diff changeset
155 $buf = upgrade_getline($s);
280
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diff changeset
156 last unless defined $buf and length $buf;
263
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diff changeset
157 log_in($buf);
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diff changeset
158 $got .= $buf;
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diff changeset
159 last if $got =~ /\x0d?\x0a\x0d?\x0a$/;
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160 }
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diff changeset
161
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diff changeset
162 # parse server response
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163
277
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diff changeset
164 return if $got !~ m!HTTP/1.1 101!;
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diff changeset
165
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diff changeset
166 # make sure next line is "handshaked"
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diff changeset
167
280
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diff changeset
168 $buf = upgrade_read($s);
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diff changeset
169
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diff changeset
170 return if !defined $buf or $buf ne 'handshaked';
277
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diff changeset
171 return $s;
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172 }
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173
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diff changeset
174 sub upgrade_getline {
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diff changeset
175 my ($s) = @_;
279
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diff changeset
176 my ($h, $buf, $line);
277
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diff changeset
177
279
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diff changeset
178 ${*$s}->{_upgrade_private} ||= { b => ''};
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179 $h = ${*$s}->{_upgrade_private};
277
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diff changeset
180
279
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diff changeset
181 if ($h->{b} =~ /^(.*?\x0a)(.*)/ms) {
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diff changeset
182 $h->{b} = $2;
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diff changeset
183 return $1;
277
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diff changeset
184 }
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diff changeset
185
279
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diff changeset
186 $s->blocking(0);
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diff changeset
187 while (IO::Select->new($s)->can_read(1.5)) {
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diff changeset
188 my $n = $s->sysread($buf, 1024);
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diff changeset
189 last unless $n;
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diff changeset
190
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diff changeset
191 $h->{b} .= $buf;
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diff changeset
192
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diff changeset
193 if ($h->{b} =~ /^(.*?\x0a)(.*)/ms) {
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diff changeset
194 $h->{b} = $2;
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195 return $1;
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196 }
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197 };
263
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198 }
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199
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diff changeset
200 sub upgrade_write {
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diff changeset
201 my ($s, $message) = @_;
279
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diff changeset
202
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diff changeset
203 $message = $message . CRLF;
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diff changeset
204
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diff changeset
205 local $SIG{PIPE} = 'IGNORE';
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diff changeset
206
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diff changeset
207 $s->blocking(0);
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diff changeset
208 while (IO::Select->new($s)->can_write(1.5)) {
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diff changeset
209 my $n = $s->syswrite($message);
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diff changeset
210 last unless $n;
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diff changeset
211 $message = substr($message, $n);
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parents: 277
diff changeset
212 last unless length $message;
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diff changeset
213 }
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diff changeset
214
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diff changeset
215 if (length $message) {
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diff changeset
216 $s->close();
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diff changeset
217 }
263
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218 }
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diff changeset
219
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diff changeset
220 sub upgrade_read {
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221 my ($s) = @_;
277
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diff changeset
222 my $m = upgrade_getline($s);
263
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diff changeset
223 $m =~ s/\x0d?\x0a// if defined $m;
277
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parents: 274
diff changeset
224 log_in($m);
263
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diff changeset
225 return $m;
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diff changeset
226 }
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parents:
diff changeset
227
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parents:
diff changeset
228 ###############################################################################
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diff changeset
229
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diff changeset
230 sub upgrade_fake_daemon {
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Maxim Dounin <mdounin@mdounin.ru>
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diff changeset
231 my $server = IO::Socket::INET->new(
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Maxim Dounin <mdounin@mdounin.ru>
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diff changeset
232 Proto => 'tcp',
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
233 LocalAddr => '127.0.0.1:8081',
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
234 Listen => 5,
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
235 Reuse => 1
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parents:
diff changeset
236 )
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parents:
diff changeset
237 or die "Can't create listening socket: $!\n";
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parents:
diff changeset
238
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
239 while (my $client = $server->accept()) {
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parents:
diff changeset
240 upgrade_handle_client($client);
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parents:
diff changeset
241 }
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
242 }
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parents:
diff changeset
243
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
244 sub upgrade_handle_client {
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parents:
diff changeset
245 my ($client) = @_;
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parents:
diff changeset
246
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
247 $client->autoflush(1);
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diff changeset
248 $client->blocking(0);
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parents:
diff changeset
249
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parents:
diff changeset
250 my $poll = IO::Poll->new;
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parents:
diff changeset
251
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
252 my $handshake = 1;
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parents:
diff changeset
253 my $unfinished = '';
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parents:
diff changeset
254 my $buffer = '';
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parents:
diff changeset
255 my $n;
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parents:
diff changeset
256
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
257 log2c("(new connection $client)");
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parents:
diff changeset
258
71bb2a896c7a Tests: more Upgrade handling tests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
259 while (1) {
343
e7dc8f4d0a4b Tests: whitespace and spelling fixes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 317
diff changeset
260 $poll->mask($client => ($buffer ? POLLIN|POLLOUT : POLLIN));
263
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parents:
diff changeset
261 my $p = $poll->poll(0.5);
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parents:
diff changeset
262 log2c("(poll $p)");
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parents:
diff changeset
263
71bb2a896c7a Tests: more Upgrade handling tests.
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parents:
diff changeset
264 foreach my $reader ($poll->handles(POLLIN)) {
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parents:
diff changeset
265 $n = $client->sysread(my $chunk, 65536);
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
266 return unless $n;
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parents:
diff changeset
267
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
268 log2i($chunk);
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parents:
diff changeset
269
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
270 if ($handshake) {
71bb2a896c7a Tests: more Upgrade handling tests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
271 $buffer .= $chunk;
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
272 next unless $buffer =~ /\x0d?\x0a\x0d?\x0a$/;
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parents:
diff changeset
273
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
274 log2c("(handshake done)");
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parents:
diff changeset
275
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parents:
diff changeset
276 $handshake = 0;
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
277 $buffer = 'HTTP/1.1 101 Switching' . CRLF
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
278 . 'Upgrade: foo' . CRLF
277
8a41f7d38cc3 Tests: fix proxy_upgrade.t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 274
diff changeset
279 . 'Connection: Upgrade' . CRLF . CRLF
8a41f7d38cc3 Tests: fix proxy_upgrade.t.
Maxim Dounin <mdounin@mdounin.ru>
parents: 274
diff changeset
280 . 'handshaked' . CRLF;
8a41f7d38cc3 Tests: fix proxy_upgrade.t.
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parents: 274
diff changeset
281
8a41f7d38cc3 Tests: fix proxy_upgrade.t.
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parents: 274
diff changeset
282 log2o($buffer);
263
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parents:
diff changeset
283
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
284 next;
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
285 }
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
286
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
287 $unfinished .= $chunk;
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
288
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
289 if ($unfinished =~ m/\x0d?\x0a\z/) {
71bb2a896c7a Tests: more Upgrade handling tests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
290 $unfinished =~ s/foo/bar/g;
277
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291 log2o($unfinished);
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292 $buffer .= $unfinished;
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293 $unfinished = '';
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294 }
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295 }
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296
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297 foreach my $writer ($poll->handles(POLLOUT)) {
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298 next unless length $buffer;
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299 $n = $writer->syswrite($buffer);
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300 substr $buffer, 0, $n, '';
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301 }
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302 }
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303 }
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304
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305 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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306 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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307 sub log2c { Test::Nginx::log_core('||', @_); }
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308
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309 ###############################################################################