Mercurial > hg > nginx-tests
annotate proxy_websocket.t @ 278:b6f0537afa01
Tests: fix pipelining tests in proxy_websocket.t.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 12 Apr 2013 18:19:18 +0400 |
parents | ccebd3168b5b |
children | a9621dbbd0d4 |
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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 |
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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 |
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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'); |
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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); |
278
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169 |
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170 # store the rest for later websocket_read() |
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171 # see websocket_read() for details |
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172 |
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173 ${*$s}->{_websocket_frame} ||= Protocol::WebSocket::Frame->new(); |
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174 ${*$s}->{_websocket_frame}->append($got); |
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175 |
248
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176 return $s if $h->is_done; |
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177 } |
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178 |
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179 sub websocket_write { |
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180 my ($s, $message) = @_; |
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181 my $frame = Protocol::WebSocket::Frame->new($message); |
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182 |
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183 local $SIG{PIPE} = 'IGNORE'; |
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184 $s->blocking(1); |
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185 |
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186 log_out($frame->to_bytes); |
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187 $s->syswrite($frame->to_bytes); |
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188 } |
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189 |
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190 sub websocket_read { |
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191 my ($s) = @_; |
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192 my ($buf, $got); |
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193 |
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194 # store frame object in socket itself to simplify things |
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195 # this works as $s is IO::Handle, see man IO::Handle |
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196 |
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197 ${*$s}->{_websocket_frame} ||= Protocol::WebSocket::Frame->new(); |
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198 my $frame = ${*$s}->{_websocket_frame}; |
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199 |
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200 $s->blocking(0); |
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201 $got = $frame->next(); |
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202 return $got if defined $got; |
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203 |
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204 while (IO::Select->new($s)->can_read(1.5)) { |
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205 my $n = $s->sysread($buf, 65536); |
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206 return $got unless $n; |
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207 log_in($buf); |
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208 $frame->append($buf); |
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209 $got = $frame->next(); |
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210 return $got if defined $got; |
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211 } |
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212 } |
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213 |
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214 ############################################################################### |
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215 |
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216 sub websocket_fake_daemon { |
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217 my $server = IO::Socket::INET->new( |
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218 Proto => 'tcp', |
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219 LocalAddr => '127.0.0.1:8081', |
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220 Listen => 5, |
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221 Reuse => 1 |
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222 ) |
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223 or die "Can't create listening socket: $!\n"; |
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224 |
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225 while (my $client = $server->accept()) { |
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226 websocket_handle_client($client); |
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227 } |
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228 } |
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229 |
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230 sub websocket_handle_client { |
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231 my ($client) = @_; |
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232 |
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233 $client->autoflush(1); |
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234 $client->blocking(0); |
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235 |
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236 my $poll = IO::Poll->new; |
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237 |
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238 my $hs = Protocol::WebSocket::Handshake::Server->new; |
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239 my $frame = Protocol::WebSocket::Frame->new; |
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240 my $buffer = ''; |
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241 my $closed; |
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242 my $n; |
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243 |
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244 log2c("(new connection $client)"); |
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245 |
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246 while (1) { |
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247 $poll->mask($client => ($buffer ? POLLIN|POLLOUT : POLLIN)); |
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248 my $p = $poll->poll(0.5); |
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249 log2c("(poll $p)"); |
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250 |
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251 foreach my $reader ($poll->handles(POLLIN)) { |
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252 $n = $client->sysread(my $chunk, 65536); |
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253 return unless $n; |
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254 |
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255 log2i($chunk); |
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256 |
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257 if (!$hs->is_done) { |
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258 unless (defined $hs->parse($chunk)) { |
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259 log2c("(error: " . $hs->error . ")"); |
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260 return; |
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261 } |
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262 |
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263 if ($hs->is_done) { |
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264 $buffer = $hs->to_string; |
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265 log2o($buffer); |
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266 } |
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267 |
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268 log2c("(parse: $chunk)"); |
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269 } |
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270 |
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271 $frame->append($chunk); |
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272 |
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273 while (defined(my $message = $frame->next)) { |
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274 my $f; |
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275 |
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276 if ($frame->is_close) { |
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277 log2c("(close frame)"); |
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278 $closed = 1; |
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279 $f = $frame->new(type => 'close') |
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280 ->to_bytes; |
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281 } else { |
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282 $message =~ s/foo/bar/g; |
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283 $f = $frame->new($message)->to_bytes; |
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284 } |
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285 |
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286 log2o($f); |
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287 $buffer .= $f; |
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288 } |
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289 } |
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290 |
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291 foreach my $writer ($poll->handles(POLLOUT)) { |
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292 next unless length $buffer; |
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293 $n = $writer->syswrite($buffer); |
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294 substr $buffer, 0, $n, ''; |
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295 } |
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296 |
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297 if ($closed && length $buffer == 0) { |
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298 log2c("(closed)"); |
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299 return; |
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300 } |
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301 } |
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302 } |
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303 |
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304 sub log2i { Test::Nginx::log_core('|| <<', @_); } |
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305 sub log2o { Test::Nginx::log_core('|| >>', @_); } |
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306 sub log2c { Test::Nginx::log_core('||', @_); } |
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307 |
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308 ############################################################################### |