<!DOCTYPE HTML>
<html>
<head>
<script type="text/javascript">
function WebSocketAPIExample() {
var token = "YOUR_JWT_TOKEN";
var entityId = "YOUR_DEVICE_ID";
var webSocket = new WebSocket("ws(s)://host:port/api/ws");
if (entityId === "YOUR_DEVICE_ID") {
alert("Invalid device id!");
webSocket.close();
}
if (token === "YOUR_JWT_TOKEN") {
alert("Invalid JWT token!");
webSocket.close();
}
webSocket.onopen = function () {
var object = {
authCmd: {
cmdId: 0,
token: token
},
cmds: [
{
entityType: "DEVICE",
entityId: entityId,
scope: "LATEST_TELEMETRY",
cmdId: 10,
type: "TIMESERIES"
}
]
};
var data = JSON.stringify(object);
webSocket.send(data);
alert("Message is sent: " + data);
};
webSocket.onmessage = function (event) {
var received_msg = event.data;
alert("Message is received: " + received_msg);
};
webSocket.onclose = function (event) {
alert("Connection is closed!");
};
}
</script>
</head>
<body>
<div id="sse">
<a href="javascript:WebSocketAPIExample()">Run WebSocket</a>
</div>
</body>
</html>