Mercurial > hg > nginx-tests

annotate proxy_websocket.t @ 274:ccebd3168b5b

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Tests: fix startup race in proxy_websocket.t, proxy_upgrade.t. Additionally, incorrect skip count fixed in proxy_upgrade.t.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 21 Mar 2013 21:23:53 +0400
parents 71bb2a896c7a
children b6f0537afa01
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 websockets support.
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6
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7 ###############################################################################
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8
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9 use warnings;
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10 use strict;
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11
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12 use Test::More;
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13
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14 use IO::Poll;
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15 use IO::Select;
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16 use IO::Socket::INET;
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17 use Socket qw/ CRLF /;
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18
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19 BEGIN { use FindBin; chdir($FindBin::Bin); }
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20
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21 use lib 'lib';
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22 use Test::Nginx;
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23
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24 ###############################################################################
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25
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26 select STDERR; $| = 1;
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27 select STDOUT; $| = 1;
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28
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29 eval {
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30 require Protocol::WebSocket::Handshake::Client;
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31 require Protocol::WebSocket::Handshake::Server;
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32 require Protocol::WebSocket::Frame;
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33 };
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34
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35 plan(skip_all => 'Protocol::WebSocket not installed') if $@;
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36
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37 my $t = Test::Nginx->new()->has(qw/http proxy/)
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38 ->write_file_expand('nginx.conf', <<'EOF')->plan(26);
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39
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40 %%TEST_GLOBALS%%
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41
249
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42 daemon off;
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43
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44 events {
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45 }
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46
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47 http {
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48 %%TEST_GLOBALS_HTTP%%
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49
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50 server {
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51 listen 127.0.0.1:8080;
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52 server_name localhost;
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53
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54 location / {
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55 proxy_pass http://127.0.0.1:8081;
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56 proxy_http_version 1.1;
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57 proxy_set_header Upgrade $http_upgrade;
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58 proxy_set_header Connection "Upgrade";
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59 proxy_read_timeout 2s;
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60 send_timeout 2s;
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61 }
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62 }
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63 }
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64
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65 EOF
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66
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67 $t->run_daemon(\&websocket_fake_daemon);
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68 $t->run();
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69
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70 $t->waitforsocket('127.0.0.1:8081')
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71 or die "Can't start test backend";
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72
248
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73 ###############################################################################
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74
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75 TODO: {
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76 local $TODO = 'not yet' unless $t->has_version('1.3.13');
248
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77
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78 # establish websocket connection
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79
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80 my $s = websocket_connect();
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81 ok($s, "websocket handshake");
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82
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83 SKIP: {
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84 skip "handshake failed", 22 unless $s;
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85
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86 # send a frame
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87
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88 websocket_write($s, 'foo');
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89 is(websocket_read($s), 'bar', "websocket response");
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90
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91 # send some big frame
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92
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93 websocket_write($s, 'foo' x 16384);
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94 like(websocket_read($s), qr/^(bar){16384}$/, "websocket big response");
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95
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96 # send multiple frames
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97
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98 for my $i (1 .. 10) {
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99 websocket_write($s, ('foo' x 16384) . $i);
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100 websocket_write($s, 'bazz' . $i);
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101 }
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102
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103 for my $i (1 .. 10) {
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104 like(websocket_read($s), qr/^(bar){16384}\d+$/, "websocket $i");
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105 is(websocket_read($s), 'bazz' . $i, "websocket small $i");
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106 }
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107 }
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108
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109 # establish websocket connection with some pipelined data
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110 # and make sure they are correctly passed upstream
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111
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112 undef $s;
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113 $s = websocket_connect("foo");
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114 ok($s, "handshake pipelined");
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115
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116 SKIP: {
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117 skip "handshake failed", 2 unless $s;
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118
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119 is(websocket_read($s), "bar", "response pipelined");
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120
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121 websocket_write($s, "foo");
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122 is(websocket_read($s), "bar", "next to pipelined");
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123 }
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124
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125 }
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126
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127 ###############################################################################
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128
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129 sub websocket_connect {
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130 my ($message) = @_;
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131
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132 my $s = IO::Socket::INET->new(
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133 Proto => 'tcp',
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134 PeerAddr => '127.0.0.1:8080'
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135 )
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136 or die "Can't connect to nginx: $!\n";
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137
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138 my $h = Protocol::WebSocket::Handshake::Client->new(
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139 url => 'ws://localhost');
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140
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141 # send request, $h->to_string
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142
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143 my $buf = $h->to_string;
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144 $buf .= Protocol::WebSocket::Frame->new($message)->to_bytes
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145 if $message;
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146
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147 local $SIG{PIPE} = 'IGNORE';
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148
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149 log_out($buf);
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150 $s->syswrite($buf);
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151
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152 # read response
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153
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154 my $got = '';
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155 $buf = '';
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156
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157 $s->blocking(0);
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158 while (IO::Select->new($s)->can_read(1.5)) {
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159 my $n = $s->sysread($buf, 1024);
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160 last unless $n;
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161 log_in($buf);
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162 $got .= $buf;
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163 last if $got =~ /\x0d?\x0a\x0d?\x0a$/;
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164 }
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165
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166 # parse server response
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167
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168 $h->parse($got);
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169 return $s if $h->is_done;
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170 }
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171
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172 sub websocket_write {
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173 my ($s, $message) = @_;
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174 my $frame = Protocol::WebSocket::Frame->new($message);
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175
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176 local $SIG{PIPE} = 'IGNORE';
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177 $s->blocking(1);
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178
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179 log_out($frame->to_bytes);
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180 $s->syswrite($frame->to_bytes);
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181 }
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182
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183 sub websocket_read {
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184 my ($s) = @_;
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185 my ($buf, $got);
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186
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187 # store frame object in socket itself to simplify things
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188 # this works as $s is IO::Handle, see man IO::Handle
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189
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190 ${*$s}->{_websocket_frame} ||= Protocol::WebSocket::Frame->new();
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191 my $frame = ${*$s}->{_websocket_frame};
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192
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193 $s->blocking(0);
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194 $got = $frame->next();
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195 return $got if defined $got;
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196
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197 while (IO::Select->new($s)->can_read(1.5)) {
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198 my $n = $s->sysread($buf, 65536);
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199 return $got unless $n;
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200 log_in($buf);
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201 $frame->append($buf);
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202 $got = $frame->next();
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203 return $got if defined $got;
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204 }
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205 }
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206
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207 ###############################################################################
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208
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209 sub websocket_fake_daemon {
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210 my $server = IO::Socket::INET->new(
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211 Proto => 'tcp',
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212 LocalAddr => '127.0.0.1:8081',
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213 Listen => 5,
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214 Reuse => 1
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215 )
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216 or die "Can't create listening socket: $!\n";
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217
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218 while (my $client = $server->accept()) {
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219 websocket_handle_client($client);
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220 }
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221 }
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222
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223 sub websocket_handle_client {
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224 my ($client) = @_;
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225
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226 $client->autoflush(1);
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227 $client->blocking(0);
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228
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229 my $poll = IO::Poll->new;
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230
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231 my $hs = Protocol::WebSocket::Handshake::Server->new;
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232 my $frame = Protocol::WebSocket::Frame->new;
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233 my $buffer = '';
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234 my $closed;
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235 my $n;
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236
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237 log2c("(new connection $client)");
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238
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239 while (1) {
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240 $poll->mask($client => ($buffer ? POLLIN|POLLOUT : POLLIN));
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241 my $p = $poll->poll(0.5);
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242 log2c("(poll $p)");
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243
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244 foreach my $reader ($poll->handles(POLLIN)) {
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245 $n = $client->sysread(my $chunk, 65536);
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246 return unless $n;
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247
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248 log2i($chunk);
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249
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250 if (!$hs->is_done) {
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251 unless (defined $hs->parse($chunk)) {
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252 log2c("(error: " . $hs->error . ")");
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253 return;
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254 }
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255
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256 if ($hs->is_done) {
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257 $buffer = $hs->to_string;
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258 log2o($buffer);
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259 }
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260
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261 log2c("(parse: $chunk)");
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262 }
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263
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264 $frame->append($chunk);
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265
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266 while (defined(my $message = $frame->next)) {
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267 my $f;
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268
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269 if ($frame->is_close) {
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270 log2c("(close frame)");
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271 $closed = 1;
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272 $f = $frame->new(type => 'close')
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273 ->to_bytes;
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274 } else {
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275 $message =~ s/foo/bar/g;
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276 $f = $frame->new($message)->to_bytes;
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277 }
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278
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279 log2o($f);
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280 $buffer .= $f;
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281 }
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282 }
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283
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284 foreach my $writer ($poll->handles(POLLOUT)) {
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285 next unless length $buffer;
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286 $n = $writer->syswrite($buffer);
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287 substr $buffer, 0, $n, '';
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288 }
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289
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290 if ($closed && length $buffer == 0) {
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291 log2c("(closed)");
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292 return;
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293 }
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294 }
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295 }
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296
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297 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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298 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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299 sub log2c { Test::Nginx::log_core('||', @_); }
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300
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301 ###############################################################################