add per-ip limit

web/js/main.js

@@ -6,6 +6,7 @@ var parsedData, signalChart, previousFreq;
 var data = [];
 var signalData = [];
 let updateCounter = 0;
+let lastReconnectAttempt = 0;
 let messageCounter = 0; // Count for WebSocket data length returning 0
 let messageData = 800; // Initial value anything above 0
 let messageLength = 800; // Retain value of messageData until value is updated
@@ -375,10 +376,16 @@ function sendPingRequest() {
         messageCounter = 0;
     }
     
-    // Automatic reconnection on WebSocket close
-    if (socket.readyState === WebSocket.CLOSED || socket.readyState === WebSocket.CLOSING) {
+    // Automatic reconnection on WebSocket close with cooldown
+    const now = Date.now();
+    if (
+        (socket.readyState === WebSocket.CLOSED || socket.readyState === WebSocket.CLOSING) &&
+        (now - lastReconnectAttempt > TIMEOUT_DURATION)
+    ) {
+        lastReconnectAttempt = now;
+
         socket = new WebSocket(socketAddress);
-        
+
         socket.onopen = () => {
             sendToast('info', 'Connected', 'Reconnected successfully!', false, false);
         };

web/js/websocket.js

@@ -1,30 +1,29 @@
-var url = new URL('text', window.location.href);
-url.protocol = url.protocol.replace('http', 'ws');
-var socketAddress = url.href;
-var socket = new WebSocket(socketAddress);
+if (!window.socket || window.socket.readyState === WebSocket.CLOSED || window.socket.readyState === WebSocket.CLOSING) {
+    var url = new URL('text', window.location.href);
+    url.protocol = url.protocol.replace('http', 'ws');
+    var socketAddress = url.href;
+    var socket = new WebSocket(socketAddress);
 
-const socketPromise = new Promise((resolve, reject) => {
-    // Event listener for when the WebSocket connection is open
-    socket.addEventListener('open', () => {
-        console.log('WebSocket connection open');
-        resolve(socket); // Resolve the promise with the WebSocket instance
+    window.socket = socket;
+
+    const socketPromise = new Promise((resolve, reject) => {
+        socket.addEventListener('open', () => {
+            console.log('WebSocket connection open');
+            resolve(socket);
+        });
+
+        socket.addEventListener('error', (error) => {
+            console.error('WebSocket error', error);
+            reject(error);
+        });
+
+        socket.addEventListener('close', () => {
+            setTimeout(() => {
+                console.warn('WebSocket connection closed');
+            }, 100);
+            reject(new Error('WebSocket connection closed'));
+        });
     });
 
-    // Event listener for WebSocket errors
-    socket.addEventListener('error', (error) => {
-        console.error('WebSocket error', error);
-        reject(error); // Reject the promise on error
-    });
-
-    // Event listener for WebSocket connection closure
-    socket.addEventListener('close', () => {
-        console.warn('WebSocket connection closed');
-        reject(new Error('WebSocket connection closed')); // Reject with closure warning
-    });
-});
-
-// Assign the socketPromise to window.socketPromise for global access
-window.socketPromise = socketPromise;
-
-// Assign the socket instance to window.socket for global access
-window.socket = socket;
+    window.socketPromise = socketPromise;
+}