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<!doctype html>
<html>
<head>
<title>WebSocket++ Telemetry Client</title>
</head>
<body>
<script type="text/javascript">
var ws;
var url;
function connect() {
url = document.getElementById("server_url").value;
if ("WebSocket" in window) {
ws = new WebSocket(url);
} else if ("MozWebSocket" in window) {
ws = new MozWebSocket(url);
} else {
document.getElementById("messages").innerHTML += "This Browser does not support WebSockets<br />";
return;
}
ws.onopen = function(e) {
document.getElementById("messages").innerHTML += "Client: A connection to "+ws.url+" has been opened.<br />";
document.getElementById("server_url").disabled = true;
document.getElementById("toggle_connect").innerHTML = "Disconnect";
};
ws.onerror = function(e) {
document.getElementById("messages").innerHTML += "Client: An error occured, see console log for more details.<br />";
console.log(e);
};
ws.onclose = function(e) {
document.getElementById("messages").innerHTML += "Client: The connection to "+url+" was closed. ["+e.code+(e.reason != "" ? ","+e.reason : "")+"]<br />";
cleanup_disconnect();
};
ws.onmessage = function(e) {
document.getElementById("messages").innerHTML += "Server: "+e.data+"<br />";
};
}
function disconnect() {
ws.close();
cleanup_disconnect();
}
function cleanup_disconnect() {
document.getElementById("server_url").disabled = false;
document.getElementById("toggle_connect").innerHTML = "Connect";
}
function toggle_connect() {
if (document.getElementById("server_url").disabled === false) {
connect();
} else {
disconnect();
}
}
</script>
<style>
body,html {
margin: 0px;
padding: 0px;
}
#controls {
float:right;
background-color: #999;
}
</style>
<div id="controls">
<div id="server">
<input type="text" name="server_url" id="server_url" value="ws://localhost:9002" /><br />
<button id="toggle_connect" onclick="toggle_connect();">Connect</button>
</div>
</div>
<div id="messages"></div>
</body>
</html>
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