231 lines
8.5 KiB
HTML
231 lines
8.5 KiB
HTML
<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>WiFi test</title>
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<style>
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button:disabled {
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background: #ccc;
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}
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input:disabled {
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background: #ccc;
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}
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.slidecontainer {
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width: 100%; /* Width of the outside container */
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}
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.slider {
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-webkit-appearance: none;
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width: 100%;
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height: 50px;
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border-radius: 5px;
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background: #00FF00;
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outline: none;
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opacity: 0.7;
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-webkit-transition: .2s;
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transition: opacity .2s;
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}
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.slider::-webkit-slider-thumb {
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-webkit-appearance: none;
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appearance: none;
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width: 25px;
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height: 50px;
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background: #A000A0;
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cursor: pointer;
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}
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.slider::-moz-range-thumb {
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width: 25px;
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height: 50px;
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background: #A000A0;
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cursor: pointer;
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}
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.button {
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background-color: #00F0F0;
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border: none;
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color: black;
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padding: 15px 32px;
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text-align: center;
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text-decoration: none;
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display: inline-block;
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font-size: 32px;
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border: 2px solid #4CAF50;
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}
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.row {
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display : flex;
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align-items : center;
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margin-bottom: 15px;
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}
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.color-box {
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width: 200px;
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height:100px;
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background-color: #F0F0F0;
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}
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#potProgress {
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width: 100%;
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background-color: #F0F0F0;
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}
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#potBar {
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width: 100%;
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height: 30px;
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background-color: #FF0000;
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text-align: center;
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line-height: 30px;
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color: white;
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}
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</style>
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</head>
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<body>
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<h1>WebSocket pwm - adc</h1>
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<p>
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Host: <input id="webSocketHost" type="text" value="localhost:1234"/>
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</p>
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<p>
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<button class="button" id="connectButton" onClick="initWebSocket();">Connect</button>
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<button class="button" id="disconnectButton" onClick="stopWebSocket();" disabled>Disconnect</button>
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<button class="button" onClick="checkSocket();">State</button>
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</p>
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<p id="debugText">DEBUG LINE</p>
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<p>
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<div id="potProgress">
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<div id="potBar">100%</div>
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</div>
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<div class="slidecontainer">
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<input type="range" min="1" max="100" value="0" class="slider" id="led1Range" oninput="sendMessage(0);" disabled>
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<input type="range" min="1" max="100" value="0" class="slider" id="led2Range" oninput="sendMessage(1);" disabled>
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</div>
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<div class="row">
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<div class="color-box" id="in0">0</div>
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<div class="color-box" id="in1">1</div>
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</div>
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</p>
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<script type="text/javascript">
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function js_get_id () {
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var host;
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const locate = window.location;
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if (locate.protocol == 'file:') host = 'ws://unknown';
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else if (locate.port) host = 'ws://' + locate.hostname + ':' + (parseInt(locate.port, 10) + 1);
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else host = 'ws://' + locate.hostname + '/ws';
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console.log ('host is: ' + host);
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return host;
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}
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const server_id = document.getElementById ('webSocketHost');
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server_id.value = js_get_id ();
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var debugText = document.getElementById("debugText");
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function debug (message) {
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debugText.innerHTML = message
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}
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function sendMessage (n) {
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var nval = 0;
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switch (n) {
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case 0: nval = document.getElementById("led1Range").value; break;
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case 1: nval = document.getElementById("led2Range").value; break;
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default: return;
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}
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if ( websocket != null ) {
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var strToSend = n + '/' + nval;
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websocket.send (strToSend);
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}
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}
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function setPotValue (val) {
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potenciometer = document.getElementById ('potBar');
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const percent = val + '%';
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potenciometer.style.width = percent;
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potenciometer.innerHTML = percent;
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}
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function setButValue (id, val) {
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const mbut = document.getElementById(id);
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if (val) mbut.style.backgroundColor = '#00FF00';
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else mbut.style.backgroundColor = '#F0F0F0';
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}
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function setSldValue (id, val) {
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const msld = document.getElementById(id);
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msld.value = val;
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}
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var websocket = null;
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function initWebSocket() {
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try {
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if (typeof MozWebSocket == 'function')
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WebSocket = MozWebSocket;
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if ( websocket && websocket.readyState == 1 )
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websocket.close();
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var wsUri = server_id.value;
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websocket = new WebSocket( wsUri );
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websocket.onopen = function (evt) {
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debug("CONNECTED");
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document.getElementById("connectButton").disabled = true;
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document.getElementById("disconnectButton").disabled = false;
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document.getElementById("led1Range").disabled = false;
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document.getElementById("led2Range").disabled = false;
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};
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websocket.onclose = function (evt) {
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debug("DISCONNECTED");
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document.getElementById("connectButton").disabled = false;
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document.getElementById("disconnectButton").disabled = true;
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document.getElementById("led1Range").disabled = true;
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document.getElementById("led2Range").disabled = true;
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};
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websocket.onmessage = function (evt) {
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// console.log (evt.data);
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var list = evt.data.split ('/');
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if (list.length != 2) return;
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var cmd = parseInt (list[0], 10);
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var val = parseInt (list[1], 10);
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switch (cmd) {
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case 0: setPotValue (val); break;
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case 1: setButValue ('in0', val); break;
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case 3: setButValue ('in1', val); break;
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case 4: setSldValue ('led1Range', val); break;
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case 5: setSldValue ('led2Range', val); break;
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default: break;
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}
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};
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websocket.onerror = function (evt) {
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debug('ERROR: ' + evt.data);
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};
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} catch (exception) {
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debug('ERROR: ' + exception);
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}
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}
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function stopWebSocket() {
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if (websocket)
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websocket.close();
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}
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function checkSocket() {
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if (websocket != null) {
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var stateStr;
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switch (websocket.readyState) {
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case 0: {
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stateStr = "CONNECTING";
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break;
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}
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case 1: {
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stateStr = "OPEN";
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break;
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}
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case 2: {
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stateStr = "CLOSING";
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break;
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}
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case 3: {
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stateStr = "CLOSED";
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break;
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}
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default: {
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stateStr = "UNKNOW";
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break;
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}
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}
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debug("WebSocket state = " + websocket.readyState + " ( " + stateStr + " )");
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} else {
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debug("WebSocket is null");
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}
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}
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</script>
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</body>
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</html>
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