dreemgl
Version:
DreemGL is an open-source multi-screen prototyping framework for mediated environments, with a visual editor and shader styling for webGL and DALi runtimes written in JavaScript. As a toolkit for gpu-accelerated multiscreen development, DreemGL includes
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HTML
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CodeRay output</title>
<style type="text/css">
.CodeRay .line-numbers a {
text-decoration: inherit;
color: inherit;
}
body {
background-color: white;
padding: 0;
margin: 0;
}
.CodeRay {
background-color: hsl(0,0%,95%);
border: 1px solid silver;
color: black;
}
.CodeRay pre {
margin: 0px;
}
span.CodeRay { white-space: pre; border: 0px; padding: 2px; }
table.CodeRay { border-collapse: collapse; width: 100%; padding: 2px; }
table.CodeRay td { padding: 2px 4px; vertical-align: top; }
.CodeRay .line-numbers {
background-color: hsl(180,65%,90%);
color: gray;
text-align: right;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
}
.CodeRay .line-numbers a {
background-color: hsl(180,65%,90%) !important;
color: gray !important;
text-decoration: none !important;
}
.CodeRay .line-numbers pre {
word-break: normal;
}
.CodeRay .line-numbers a:target { color: blue !important; }
.CodeRay .line-numbers .highlighted { color: red !important; }
.CodeRay .line-numbers .highlighted a { color: red !important; }
.CodeRay span.line-numbers { padding: 0px 4px; }
.CodeRay .line { display: block; float: left; width: 100%; }
.CodeRay .code { width: 100%; }
.CodeRay .debug { color: white !important; background: blue !important; }
.CodeRay .annotation { color:#007 }
.CodeRay .attribute-name { color:#b48 }
.CodeRay .attribute-value { color:#700 }
.CodeRay .binary { color:#549 }
.CodeRay .binary .char { color:#325 }
.CodeRay .binary .delimiter { color:#325 }
.CodeRay .char { color:#D20 }
.CodeRay .char .content { color:#D20 }
.CodeRay .char .delimiter { color:#710 }
.CodeRay .class { color:#B06; font-weight:bold }
.CodeRay .class-variable { color:#369 }
.CodeRay .color { color:#0A0 }
.CodeRay .comment { color:#777 }
.CodeRay .comment .char { color:#444 }
.CodeRay .comment .delimiter { color:#444 }
.CodeRay .constant { color:#036; font-weight:bold }
.CodeRay .decorator { color:#B0B }
.CodeRay .definition { color:#099; font-weight:bold }
.CodeRay .delimiter { color:black }
.CodeRay .directive { color:#088; font-weight:bold }
.CodeRay .docstring { color:#D42; }
.CodeRay .doctype { color:#34b }
.CodeRay .done { text-decoration: line-through; color: gray }
.CodeRay .entity { color:#800; font-weight:bold }
.CodeRay .error { color:#F00; background-color:#FAA }
.CodeRay .escape { color:#666 }
.CodeRay .exception { color:#C00; font-weight:bold }
.CodeRay .float { color:#60E }
.CodeRay .function { color:#06B; font-weight:bold }
.CodeRay .function .delimiter { color:#024; font-weight:bold }
.CodeRay .global-variable { color:#d70 }
.CodeRay .hex { color:#02b }
.CodeRay .id { color:#33D; font-weight:bold }
.CodeRay .include { color:#B44; font-weight:bold }
.CodeRay .inline { background-color: hsla(0,0%,0%,0.07); color: black }
.CodeRay .inline-delimiter { font-weight: bold; color: #666 }
.CodeRay .instance-variable { color:#33B }
.CodeRay .integer { color:#00D }
.CodeRay .imaginary { color:#f00 }
.CodeRay .important { color:#D00 }
.CodeRay .key { color: #606 }
.CodeRay .key .char { color: #60f }
.CodeRay .key .delimiter { color: #404 }
.CodeRay .keyword { color:#080; font-weight:bold }
.CodeRay .label { color:#970; font-weight:bold }
.CodeRay .local-variable { color:#950 }
.CodeRay .map .content { color:#808 }
.CodeRay .map .delimiter { color:#40A}
.CodeRay .map { background-color:hsla(200,100%,50%,0.06); }
.CodeRay .namespace { color:#707; font-weight:bold }
.CodeRay .octal { color:#40E }
.CodeRay .operator { }
.CodeRay .predefined { color:#369; font-weight:bold }
.CodeRay .predefined-constant { color:#069 }
.CodeRay .predefined-type { color:#0a8; font-weight:bold }
.CodeRay .preprocessor { color:#579 }
.CodeRay .pseudo-class { color:#00C; font-weight:bold }
.CodeRay .regexp { background-color:hsla(300,100%,50%,0.06); }
.CodeRay .regexp .content { color:#808 }
.CodeRay .regexp .delimiter { color:#404 }
.CodeRay .regexp .modifier { color:#C2C }
.CodeRay .reserved { color:#080; font-weight:bold }
.CodeRay .shell { background-color:hsla(120,100%,50%,0.06); }
.CodeRay .shell .content { color:#2B2 }
.CodeRay .shell .delimiter { color:#161 }
.CodeRay .string { background-color:hsla(0,100%,50%,0.05); }
.CodeRay .string .char { color: #b0b }
.CodeRay .string .content { color: #D20 }
.CodeRay .string .delimiter { color: #710 }
.CodeRay .string .modifier { color: #E40 }
.CodeRay .symbol { color:#A60 }
.CodeRay .symbol .content { color:#A60 }
.CodeRay .symbol .delimiter { color:#740 }
.CodeRay .tag { color:#070; font-weight:bold }
.CodeRay .type { color:#339; font-weight:bold }
.CodeRay .value { color: #088 }
.CodeRay .variable { color:#037 }
.CodeRay .insert { background: hsla(120,100%,50%,0.12) }
.CodeRay .delete { background: hsla(0,100%,50%,0.12) }
.CodeRay .change { color: #bbf; background: #007 }
.CodeRay .head { color: #f8f; background: #505 }
.CodeRay .head .filename { color: white; }
.CodeRay .delete .eyecatcher { background-color: hsla(0,100%,50%,0.2); border: 1px solid hsla(0,100%,45%,0.5); margin: -1px; border-bottom: none; border-top-left-radius: 5px; border-top-right-radius: 5px; }
.CodeRay .insert .eyecatcher { background-color: hsla(120,100%,50%,0.2); border: 1px solid hsla(120,100%,25%,0.5); margin: -1px; border-top: none; border-bottom-left-radius: 5px; border-bottom-right-radius: 5px; }
.CodeRay .insert .insert { color: #0c0; background:transparent; font-weight:bold }
.CodeRay .delete .delete { color: #c00; background:transparent; font-weight:bold }
.CodeRay .change .change { color: #88f }
.CodeRay .head .head { color: #f4f }
.CodeRay {
border: none;
}
</style>
</head>
<body>
<table class="CodeRay"><tr>
<td class="line-numbers"><pre><a href="#n1" name="n1">1</a>
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</pre></td>
<td class="code"><pre><span class="comment">/* DreemGL is a collaboration between Teeming Society & Samsung Electronics, sponsored by Samsung and others.
Copyright 2015-2016 Teeming Society. Licensed under the Apache License, Version 2.0 (the "License"); You may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and limitations under the License.*/</span>
define.<span class="reserved">class</span>(<span class="keyword">function</span>(require){
<span class="comment">// internal, node websocket</span>
<span class="keyword">var</span> crypto = require(<span class="string"><span class="delimiter">'</span><span class="content">crypto</span><span class="delimiter">'</span></span>)
<span class="keyword">var</span> url = require(<span class="string"><span class="delimiter">'</span><span class="content">url</span><span class="delimiter">'</span></span>)
<span class="keyword">var</span> http = require(<span class="string"><span class="delimiter">'</span><span class="content">http</span><span class="delimiter">'</span></span>)
<span class="local-variable">this</span>.<span class="function">atConstructor</span> = <span class="keyword">function</span>(req, socket, head){
<span class="keyword">if</span>(<span class="local-variable">arguments</span>.length === <span class="integer">1</span>){
<span class="keyword">if</span>(<span class="keyword">typeof</span> req === <span class="string"><span class="delimiter">'</span><span class="content">string</span><span class="delimiter">'</span></span>){
<span class="local-variable">this</span>.initClient(req)
}
<span class="keyword">else</span>{
<span class="local-variable">this</span>.initBare(req)
}
}
<span class="keyword">if</span>(<span class="local-variable">arguments</span>.length === <span class="integer">3</span>) <span class="local-variable">this</span>.initServer(req, socket, head)
}
<span class="comment">// events (looks just like browser websocket)</span>
<span class="local-variable">this</span>.<span class="function">onmessage</span> = <span class="keyword">function</span>(event){
}
<span class="local-variable">this</span>.<span class="function">onclose</span> = <span class="keyword">function</span>(){
}
<span class="local-variable">this</span>.<span class="function">onerror</span> = <span class="keyword">function</span>(error){
}
<span class="comment">// turn the socket into a socket that can send json with binary data</span>
<span class="local-variable">this</span>.<span class="function">makeJSONSocket</span> = <span class="keyword">function</span>(){
<span class="keyword">var</span> binary_buf = []
<span class="local-variable">this</span>.<span class="function">onmessage</span> = <span class="keyword">function</span>(event){
<span class="keyword">var</span> message = event.data
<span class="keyword">if</span>(message <span class="keyword">instanceof</span> ArrayBuffer){
binary_buf.push(message)
<span class="keyword">return</span>
}
<span class="keyword">var</span> jsonmsg = JSON.parse(message)
jsonmsg = define.structFromJSON(jsonmsg, binary_buf)
binary_buf.length = <span class="integer">0</span>
<span class="local-variable">this</span>.atJSONMessage(jsonmsg)
}
<span class="local-variable">this</span>.<span class="function">sendJSON</span> = <span class="keyword">function</span>(msg){
<span class="keyword">var</span> binary = []
<span class="keyword">var</span> newmsg = define.makeJSONSafe(msg, binary)
<span class="keyword">for</span>(<span class="keyword">var</span> i = <span class="integer">0</span>; i < binary.length; i++){
<span class="keyword">var</span> bin = binary[i]
<span class="local-variable">this</span>.send(bin.data.buffer)<span class="comment">//data.buffer)</span>
}
<span class="keyword">var</span> jsonmsg = JSON.stringify(newmsg)
<span class="local-variable">this</span>.send(jsonmsg)
}
}
<span class="comment">// us it as a communication pipe over any socket</span>
<span class="local-variable">this</span>.<span class="function">initBare</span> = <span class="keyword">function</span>(socket){
<span class="local-variable">this</span>.socket = socket
<span class="local-variable">this</span>.initState()
}
<span class="local-variable">this</span>.<span class="function">initClient</span> = <span class="keyword">function</span>(server_url){
<span class="local-variable">this</span>.url = url.parse(server_url)
<span class="comment">// ok lets connect to a server</span>
<span class="keyword">var</span> host = <span class="local-variable">this</span>.url.hostname + <span class="string"><span class="delimiter">'</span><span class="content">:</span><span class="delimiter">'</span></span> + <span class="local-variable">this</span>.url.port
<span class="comment">// begin handshake</span>
<span class="keyword">var</span> key = <span class="keyword">new</span> Buffer(<span class="integer">13</span> + <span class="string"><span class="delimiter">'</span><span class="content">-</span><span class="delimiter">'</span></span> + Date.now()).toString(<span class="string"><span class="delimiter">'</span><span class="content">base64</span><span class="delimiter">'</span></span>);
<span class="keyword">var</span> shasum = crypto.createHash(<span class="string"><span class="delimiter">'</span><span class="content">sha1</span><span class="delimiter">'</span></span>);
shasum.update(key + <span class="string"><span class="delimiter">'</span><span class="content">258EAFA5-E914-47DA-95CA-C5AB0DC85B11</span><span class="delimiter">'</span></span>);
<span class="local-variable">this</span>.expectedServerKey = shasum.digest(<span class="string"><span class="delimiter">'</span><span class="content">base64</span><span class="delimiter">'</span></span>);
<span class="comment">//var origin = host + this.url.path</span>
<span class="keyword">var</span> opt = {
<span class="key">port</span>: <span class="local-variable">this</span>.url.port,
<span class="key">host</span>: <span class="local-variable">this</span>.url.hostname,
<span class="key">path</span>: <span class="local-variable">this</span>.url.path,
<span class="key">headers</span>: {
<span class="key"><span class="delimiter">'</span><span class="content">connection</span><span class="delimiter">'</span></span>: <span class="string"><span class="delimiter">'</span><span class="content">Upgrade</span><span class="delimiter">'</span></span>,
<span class="key"><span class="delimiter">'</span><span class="content">upgrade</span><span class="delimiter">'</span></span>: <span class="string"><span class="delimiter">'</span><span class="content">websocket</span><span class="delimiter">'</span></span>,
<span class="key"><span class="delimiter">'</span><span class="content">pragma</span><span class="delimiter">'</span></span>:<span class="string"><span class="delimiter">'</span><span class="content">no-cache</span><span class="delimiter">'</span></span>,
<span class="key"><span class="delimiter">'</span><span class="content">host</span><span class="delimiter">'</span></span>: host,
<span class="key"><span class="delimiter">'</span><span class="content">origin</span><span class="delimiter">'</span></span>: <span class="string"><span class="delimiter">'</span><span class="content">http://</span><span class="delimiter">'</span></span> + host,
<span class="key"><span class="delimiter">'</span><span class="content">sec-websocket-version</span><span class="delimiter">'</span></span>: <span class="integer">13</span>,
<span class="key"><span class="delimiter">'</span><span class="content">sec-websocket-key</span><span class="delimiter">'</span></span>: key,
}
}
<span class="keyword">var</span> req = http.request(opt)
req.on(<span class="string"><span class="delimiter">'</span><span class="content">error</span><span class="delimiter">'</span></span>, <span class="keyword">function</span>(err){
console.log(<span class="string"><span class="delimiter">"</span><span class="content">WebSocket client </span><span class="delimiter">"</span></span> + err)
<span class="keyword">if</span>(<span class="local-variable">this</span>.onError) <span class="local-variable">this</span>.onError(err)
}.bind(<span class="local-variable">this</span>))
req.once(<span class="string"><span class="delimiter">'</span><span class="content">response</span><span class="delimiter">'</span></span>, <span class="keyword">function</span>(){
console.log(<span class="string"><span class="delimiter">'</span><span class="content">WebSocket unexpected response</span><span class="delimiter">'</span></span>)
}.bind(<span class="local-variable">this</span>))
req.once(<span class="string"><span class="delimiter">'</span><span class="content">upgrade</span><span class="delimiter">'</span></span>, <span class="keyword">function</span>(res, socket, upgradehead){
<span class="keyword">if</span>(res.headers[<span class="string"><span class="delimiter">'</span><span class="content">sec-websocket-accept</span><span class="delimiter">'</span></span>] != <span class="local-variable">this</span>.expectedServerKey){
console.log(<span class="string"><span class="delimiter">'</span><span class="content">WebSocket unexpected server key</span><span class="delimiter">'</span></span>)
}
<span class="local-variable">this</span>.socket = socket
<span class="local-variable">this</span>.initState()
<span class="keyword">if</span>(<span class="local-variable">this</span>.onopen) <span class="local-variable">this</span>.onopen()
}.bind(<span class="local-variable">this</span>))
req.end()
}
<span class="local-variable">this</span>.<span class="function">initServer</span> = <span class="keyword">function</span>(req, socket){
<span class="keyword">var</span> version = req.headers[<span class="string"><span class="delimiter">'</span><span class="content">sec-websocket-version</span><span class="delimiter">'</span></span>]
<span class="keyword">if</span>(version != <span class="integer">13</span>){
console.log(<span class="string"><span class="delimiter">"</span><span class="content">Incompatible websocket version requested (need 13) </span><span class="delimiter">"</span></span> + version)
<span class="keyword">return</span> socket.destroy()
}
<span class="local-variable">this</span>.socket = socket
<span class="comment">// calc key</span>
<span class="keyword">var</span> key = req.headers[<span class="string"><span class="delimiter">'</span><span class="content">sec-websocket-key</span><span class="delimiter">'</span></span>]
<span class="keyword">var</span> sha1 = crypto.createHash(<span class="string"><span class="delimiter">'</span><span class="content">sha1</span><span class="delimiter">'</span></span>);
sha1.update(key + <span class="string"><span class="delimiter">"</span><span class="content">258EAFA5-E914-47DA-95CA-C5AB0DC85B11</span><span class="delimiter">"</span></span>);
<span class="keyword">var</span> ack = <span class="string"><span class="delimiter">'</span><span class="content">HTTP/1.1 101 Switching Protocols</span><span class="content">\r</span><span class="content">\n</span><span class="delimiter">'</span></span>+
<span class="string"><span class="delimiter">'</span><span class="content">Upgrade: websocket</span><span class="content">\r</span><span class="content">\n</span><span class="delimiter">'</span></span>+
<span class="string"><span class="delimiter">'</span><span class="content">Connection: Upgrade</span><span class="content">\r</span><span class="content">\n</span><span class="delimiter">'</span></span>+
<span class="string"><span class="delimiter">'</span><span class="content">Sec-WebSocket-Accept: </span><span class="delimiter">'</span></span> + sha1.digest(<span class="string"><span class="delimiter">'</span><span class="content">base64</span><span class="delimiter">'</span></span>) +<span class="string"><span class="delimiter">'</span><span class="content">\r</span><span class="content">\n</span><span class="content">\r</span><span class="content">\n</span><span class="delimiter">'</span></span>
<span class="local-variable">this</span>.socket.write(ack)
<span class="local-variable">this</span>.is_server = <span class="predefined-constant">true</span>
<span class="local-variable">this</span>.initState()
<span class="local-variable">this</span>.first_queue = []
}
<span class="local-variable">this</span>.<span class="function">initState</span> = <span class="keyword">function</span>(){
<span class="local-variable">this</span>.max = <span class="integer">500000000</span> <span class="comment">// maximum receive buffer size (10 megs)</span>
<span class="local-variable">this</span>.header = <span class="keyword">new</span> Buffer(<span class="integer">14</span>) <span class="comment">// header</span>
<span class="local-variable">this</span>.output = <span class="keyword">new</span> Buffer(<span class="integer">50000000</span>) <span class="comment">// output</span>
<span class="local-variable">this</span>.state = <span class="local-variable">this</span>.opcode <span class="comment">// start in the opcode state</span>
<span class="local-variable">this</span>.expected = <span class="integer">1</span> <span class="comment">// the bytes expected for the next state</span>
<span class="local-variable">this</span>.written = <span class="integer">0</span> <span class="comment">// how much we have written in the output buffers</span>
<span class="local-variable">this</span>.read = <span class="integer">0</span> <span class="comment">// the bytes we've read</span>
<span class="local-variable">this</span>.input = <span class="integer">0</span> <span class="comment">// the input buffer received from the socket</span>
<span class="local-variable">this</span>.maskoff = <span class="integer">0</span> <span class="comment">// the offset in the mask</span>
<span class="local-variable">this</span>.maskcount = <span class="integer">0</span> <span class="comment">// mask counter</span>
<span class="local-variable">this</span>.paylen = <span class="integer">0</span> <span class="comment">// payload length</span>
<span class="local-variable">this</span>.readyState = <span class="integer">1</span>
<span class="local-variable">this</span>.partial_msg = <span class="string"><span class="delimiter">'</span><span class="delimiter">'</span></span>
<span class="local-variable">this</span>.partial_binary = []
<span class="local-variable">this</span>.partial_binary_bytes = <span class="integer">0</span>
<span class="comment">// 10 second ping frames</span>
<span class="local-variable">this</span>.pingframe = <span class="keyword">new</span> Buffer(<span class="integer">2</span>)
<span class="local-variable">this</span>.pingframe[<span class="integer">0</span>] = <span class="integer">9</span> | <span class="integer">128</span>
<span class="local-variable">this</span>.pingframe[<span class="integer">1</span>] = <span class="integer">0</span>
<span class="local-variable">this</span>.pongframe = <span class="keyword">new</span> Buffer(<span class="integer">2</span>)
<span class="local-variable">this</span>.pongframe[<span class="integer">0</span>] = <span class="integer">10</span> | <span class="integer">128</span>
<span class="local-variable">this</span>.pongframe[<span class="integer">1</span>] = <span class="integer">0</span>
<span class="keyword">if</span>(<span class="local-variable">this</span>.is_server){
<span class="local-variable">this</span>.ping_interval = setInterval(<span class="keyword">function</span>(){
<span class="keyword">if</span>(!<span class="local-variable">this</span>.socket) clearInterval(<span class="local-variable">this</span>.ping_interval)
<span class="keyword">else</span> <span class="local-variable">this</span>.socket.write(<span class="local-variable">this</span>.pingframe)
}.bind(<span class="local-variable">this</span>), <span class="integer">10000</span>)
}
<span class="comment">// Main socket data loop, uses state function to parse</span>
<span class="local-variable">this</span>.socket.on(<span class="string"><span class="delimiter">'</span><span class="content">data</span><span class="delimiter">'</span></span>, <span class="keyword">function</span>(data){
<span class="local-variable">this</span>.input = data
<span class="local-variable">this</span>.read = <span class="integer">0</span>
<span class="keyword">while</span>(<span class="local-variable">this</span>.state());
}.bind(<span class="local-variable">this</span>))
<span class="local-variable">this</span>.socket.on(<span class="string"><span class="delimiter">'</span><span class="content">close</span><span class="delimiter">'</span></span>, <span class="keyword">function</span>(){
<span class="local-variable">this</span>.close()
}.bind(<span class="local-variable">this</span>))
}
<span class="local-variable">this</span>.<span class="function">error</span> = <span class="keyword">function</span>(t){
console.log(<span class="string"><span class="delimiter">"</span><span class="content">Error on websocket </span><span class="delimiter">"</span></span> + t)
<span class="local-variable">this</span>.onerror(t)
<span class="local-variable">this</span>.close()
}
<span class="local-variable">this</span>.<span class="function">send</span> = <span class="keyword">function</span>(data, ispartial, iscontinuation, domask){
<span class="keyword">if</span>(<span class="local-variable">this</span>.first_queue){
<span class="comment">// put a tiny gap between a server connect and first data send</span>
<span class="keyword">if</span>(!<span class="local-variable">this</span>.first_queue.length){
setTimeout(<span class="keyword">function</span>(){
<span class="keyword">var</span> q = <span class="local-variable">this</span>.first_queue
<span class="local-variable">this</span>.first_queue = <span class="predefined-constant">undefined</span>
<span class="keyword">for</span>(<span class="keyword">var</span> i = <span class="integer">0</span>;i < q.length;i++){
<span class="local-variable">this</span>.send(q[i])
}
}.bind(<span class="local-variable">this</span>),<span class="integer">10</span>)
}
<span class="local-variable">this</span>.first_queue.push(data)
<span class="keyword">return</span>
}
<span class="comment">//if(typeof data !== 'string' && !(data instanceof Buffer)){</span>
<span class="comment">// var msg = define.</span>
<span class="comment">// data = JSON.stringify(data)</span>
<span class="comment">//}</span>
<span class="keyword">if</span>(!<span class="local-variable">this</span>.socket) <span class="keyword">return</span>
<span class="keyword">var</span> head
<span class="keyword">var</span> buf = <span class="keyword">new</span> Buffer(data)
<span class="keyword">if</span>(buf.length < <span class="integer">126</span>){
head = <span class="keyword">new</span> Buffer(<span class="integer">2</span>)
head[<span class="integer">1</span>] = buf.length
}
<span class="keyword">else</span> <span class="keyword">if</span> (buf.length<=<span class="integer">65535</span>){
head = <span class="keyword">new</span> Buffer(<span class="integer">4</span>)
head[<span class="integer">1</span>] = <span class="integer">126</span>
head.writeUInt16BE(buf.length, <span class="integer">2</span>)
}
<span class="keyword">else</span> {
head = <span class="keyword">new</span> Buffer(<span class="integer">10</span>)
head[<span class="integer">1</span>] = <span class="integer">127</span>
head[<span class="integer">2</span>] = head[<span class="integer">3</span>] = head[<span class="integer">4</span>] = head[<span class="integer">5</span>] = <span class="integer">0</span>
head.writeUInt32BE(buf.length, <span class="integer">6</span>)
}
<span class="keyword">var</span> type = <span class="integer">1</span>
<span class="keyword">if</span>(data <span class="keyword">instanceof</span> Buffer || data <span class="keyword">instanceof</span> ArrayBuffer) type = <span class="integer">2</span>
<span class="keyword">if</span>(iscontinuation) type = <span class="integer">0</span>
head[<span class="integer">0</span>] = (ispartial?<span class="integer">0</span>:<span class="integer">128</span>) | type
<span class="local-variable">this</span>.socket.write(head)
<span class="comment">// lets mask the data</span>
<span class="keyword">if</span>(domask){
head[<span class="integer">1</span>] |= <span class="integer">128</span>
<span class="keyword">var</span> mask = <span class="keyword">new</span> Buffer(<span class="integer">4</span>)
mask[<span class="integer">0</span>] = <span class="hex">0x7f</span>
mask[<span class="integer">1</span>] = <span class="hex">0x7f</span>
mask[<span class="integer">2</span>] = <span class="hex">0x7f</span>
mask[<span class="integer">3</span>] = <span class="hex">0x7f</span>
<span class="local-variable">this</span>.socket.write(mask)
<span class="keyword">for</span>(<span class="keyword">var</span> i = <span class="integer">0</span>; i < buf.length; i++){
buf[i] ^= mask[i&<span class="integer">3</span>]
}
}
<span class="local-variable">this</span>.socket.write(buf)
}
<span class="local-variable">this</span>.<span class="function">close</span> = <span class="keyword">function</span>(){
<span class="keyword">if</span>(<span class="local-variable">this</span>.socket){
<span class="local-variable">this</span>.onclose()
<span class="local-variable">this</span>.socket.destroy()
clearInterval(<span class="local-variable">this</span>.ping_interval)
<span class="local-variable">this</span>.readyState = <span class="integer">3</span>
}
<span class="local-variable">this</span>.socket = <span class="predefined-constant">undefined</span>
}
<span class="local-variable">this</span>.<span class="function">head</span> = <span class="keyword">function</span>(){
<span class="keyword">