Mercurial > hg > nginx-tests

annotate proxy_websocket.t @ 249:6a0d934950bc

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Tests: remove extra spaces in "daemon off". They are no longer logical after "master_process" directive removal.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 24 Jan 2013 02:17:36 +0400
parents c388d7c3a666
children 71bb2a896c7a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
248
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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;
248
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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 ###############################################################################
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71
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72 TODO: {
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73 local $TODO = 'not yet';
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74
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75 # establish websocket connection
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76
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77 my $s = websocket_connect();
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78 ok($s, "websocket handshake");
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79
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80 SKIP: {
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81 skip "handshake failed", 22 unless $s;
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82
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83 # send a frame
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84
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85 websocket_write($s, 'foo');
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86 is(websocket_read($s), 'bar', "websocket response");
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87
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88 # send some big frame
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89
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90 websocket_write($s, 'foo' x 16384);
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91 like(websocket_read($s), qr/^(bar){16384}$/, "websocket big response");
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92
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93 # send multiple frames
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94
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95 for my $i (1 .. 10) {
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96 websocket_write($s, ('foo' x 16384) . $i);
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97 websocket_write($s, 'bazz' . $i);
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98 }
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99
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100 for my $i (1 .. 10) {
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101 like(websocket_read($s), qr/^(bar){16384}\d+$/, "websocket $i");
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102 is(websocket_read($s), 'bazz' . $i, "websocket small $i");
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103 }
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104 }
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105
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106 # establish websocket connection with some pipelined data
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107 # and make sure they are correctly passed upstream
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108
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109 undef $s;
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110 $s = websocket_connect("foo");
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111 ok($s, "handshake pipelined");
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112
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113 SKIP: {
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114 skip "handshake failed", 2 unless $s;
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115
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116 is(websocket_read($s), "bar", "response pipelined");
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117
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118 websocket_write($s, "foo");
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119 is(websocket_read($s), "bar", "next to pipelined");
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120 }
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121
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122 }
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123
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124 ###############################################################################
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125
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126 sub websocket_connect {
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127 my ($message) = @_;
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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 my $h = Protocol::WebSocket::Handshake::Client->new(
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136 url => 'ws://localhost');
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137
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138 # send request, $h->to_string
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139
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140 my $buf = $h->to_string;
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141 $buf .= Protocol::WebSocket::Frame->new($message)->to_bytes
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142 if $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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147 $s->syswrite($buf);
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148
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149 # read response
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150
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151 my $got = '';
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152 $buf = '';
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153
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154 $s->blocking(0);
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155 while (IO::Select->new($s)->can_read(1.5)) {
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156 my $n = $s->sysread($buf, 1024);
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157 last unless $n;
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158 log_in($buf);
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159 $got .= $buf;
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160 last if $got =~ /\x0d?\x0a\x0d?\x0a$/;
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161 }
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162
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163 # parse server response
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164
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165 $h->parse($got);
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166 return $s if $h->is_done;
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167 }
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168
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169 sub websocket_write {
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170 my ($s, $message) = @_;
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171 my $frame = Protocol::WebSocket::Frame->new($message);
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172
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173 local $SIG{PIPE} = 'IGNORE';
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174 $s->blocking(1);
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175
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176 log_out($frame->to_bytes);
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177 $s->syswrite($frame->to_bytes);
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178 }
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179
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180 sub websocket_read {
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181 my ($s) = @_;
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182 my ($buf, $got);
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183
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184 # store frame object in socket itself to simplify things
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185 # this works as $s is IO::Handle, see man IO::Handle
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186
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187 ${*$s}->{_websocket_frame} ||= Protocol::WebSocket::Frame->new();
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188 my $frame = ${*$s}->{_websocket_frame};
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189
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190 $s->blocking(0);
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191 $got = $frame->next();
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192 return $got if defined $got;
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193
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194 while (IO::Select->new($s)->can_read(1.5)) {
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195 my $n = $s->sysread($buf, 65536);
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196 return $got unless $n;
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197 log_in($buf);
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198 $frame->append($buf);
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199 $got = $frame->next();
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200 return $got if defined $got;
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201 }
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202 }
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203
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204 ###############################################################################
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205
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206 sub websocket_fake_daemon {
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207 my $server = IO::Socket::INET->new(
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208 Proto => 'tcp',
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209 LocalAddr => '127.0.0.1:8081',
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210 Listen => 5,
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211 Reuse => 1
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212 )
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213 or die "Can't create listening socket: $!\n";
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214
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215 while (my $client = $server->accept()) {
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216 websocket_handle_client($client);
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217 }
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218 }
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219
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220 sub websocket_handle_client {
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221 my ($client) = @_;
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222
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223 $client->autoflush(1);
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224 $client->blocking(0);
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225
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226 my $poll = IO::Poll->new;
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227
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228 my $hs = Protocol::WebSocket::Handshake::Server->new;
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229 my $frame = Protocol::WebSocket::Frame->new;
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230 my $buffer = '';
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231 my $closed;
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232 my $n;
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233
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234 log2c("(new connection $client)");
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235
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236 while (1) {
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237 $poll->mask($client => ($buffer ? POLLIN|POLLOUT : POLLIN));
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238 my $p = $poll->poll(0.5);
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239 log2c("(poll $p)");
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240
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241 foreach my $reader ($poll->handles(POLLIN)) {
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242 $n = $client->sysread(my $chunk, 65536);
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243 return unless $n;
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244
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245 log2i($chunk);
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246
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247 if (!$hs->is_done) {
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248 unless (defined $hs->parse($chunk)) {
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249 log2c("(error: " . $hs->error . ")");
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250 return;
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251 }
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252
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253 if ($hs->is_done) {
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254 $buffer = $hs->to_string;
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255 log2o($buffer);
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256 }
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257
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258 log2c("(parse: $chunk)");
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259 }
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260
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261 $frame->append($chunk);
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262
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263 while (defined(my $message = $frame->next)) {
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264 my $f;
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265
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266 if ($frame->is_close) {
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267 log2c("(close frame)");
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268 $closed = 1;
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269 $f = $frame->new(type => 'close')
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270 ->to_bytes;
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271 } else {
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272 $message =~ s/foo/bar/g;
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273 $f = $frame->new($message)->to_bytes;
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274 }
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275
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276 log2o($f);
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277 $buffer .= $f;
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278 }
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279 }
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280
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281 foreach my $writer ($poll->handles(POLLOUT)) {
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282 next unless length $buffer;
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283 $n = $writer->syswrite($buffer);
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284 substr $buffer, 0, $n, '';
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285 }
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286
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287 if ($closed && length $buffer == 0) {
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288 log2c("(closed)");
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289 return;
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290 }
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291 }
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292 }
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293
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294 sub log2i { Test::Nginx::log_core('|| <<', @_); }
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295 sub log2o { Test::Nginx::log_core('|| >>', @_); }
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296 sub log2c { Test::Nginx::log_core('||', @_); }
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297
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298 ###############################################################################