example-websocket-session.js

// --------------------------------------------------------------------------
// -- example-websocket-session.js
// -- initial author: Renick Bell (renick@gmail.com)
// -- initial creation date: Wed Jun 28 10:08:48 AM CST 2023
// -- contributors: Yiler Huang (yiler7777@gmail.com); Steve Wang (stevesg168@gmail.com)
// -- license: GPL 3.0
// --------------------------------------------------------------------------

//const wss = new WebSocketServer.Server({ port: findAvailablePorts(8080, 8090)});
const wss = new WebSocketServer.Server({ port: 8080});


let clients = [];

let newResponseTimes = []

let commands = [
    {
        action: "hi",
        func: function () {
            console.log("hi");
        },
    },{
        action: "recordResponseTime",
        func: function (info){
            newResponseTimes.push(info.date)
        }
    }
];

// Creating connection using websocket
wss.on("connection", (ws) => {
    console.log("new client connected");
    addNewClients()
    ws.onmessage = (e) => {
        console.log('data received')
        let data = JSON.parse(e.data)
        if (data != undefined) {
            //console.log("command received",e.target, e.data);
            receiveCommands(data, e.target);
        }
    };
    // handling what to do when clients disconnects from server
    ws.on("close", () => {
        removeClient(ws)
        console.log("the client has connected");
    });
    // handling client connection error
    ws.onerror = function () {
        console.log("Some Error occurred");
    };
});