FreeDATA/gui/src/js/event_sock.js

let socket;
let retries = 0;
let maxRetries = 15;

function connect() {
  socket = new WebSocket("ws://localhost:5000/events");

  // handle opening
  socket.addEventListener("open", function (event) {
    console.log("Connected to the WebSocket server");
    retries = 0; // Reset the retries back to 0 since the connection was successful
  });

  // handle data
  socket.addEventListener("message", function (event) {
    console.log("Message from server:", event.data);
    console.log("Message from server:", event);
  });

  // handle errors
  socket.addEventListener("error", function (event) {
    console.error("WebSocket error:", event);
  });

  // handle closing and reconnect
  socket.addEventListener("close", function (event) {
    console.log("WebSocket connection closed:", event.code);

    // Reconnect handler
    if (!event.wasClean && retries < maxRetries) {
      setTimeout(() => {
        console.log("Reconnecting to websocket. Attempt: " + retries);
        connect();
      }, 1000);
      retries++;
    }
  });
}

// Initial connection attempt
connect();