init

web-static/web.js

@@ -0,0 +1,27 @@
+// window.addEventListener('load', function () {
+  console.log("Page loaded... connecting to server...");
+  const webSocket = new WebSocket(`ws://${window.location.host}`);
+  var last_contact = Date.now();
+  setInterval( () => {
+    if (last_contact + 5000 < Date.now()) {
+      console.log("Connection to server hung...");
+    }
+  }, 3500 )
+  webSocket.onopen = (e) => {
+    webSocket.send("TEST");
+  }
+  webSocket.onclose = (e) => {
+    console.log("Disconnected from server");
+  }
+  webSocket.onerror = (e) => {
+    console.log("Connection ERROR");
+    console.log(e);
+  }
+  webSocket.onmessage = (e) => {
+    if( e.data === "PONG" ) { last_contact = Date.now(); return }
+    if( e.data === "TEST" ) { return console.log("Connected to server"); }
+    console.log(e.data);
+    console.log(JSON.parse(e.data));
+  }
+  window.setInterval( ()=>webSocket.send('PING'), 1000 );
+// })