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https://github.com/esiur/esiur-js.git
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1.6.0
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96
demo/chat/chat.js
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96
demo/chat/chat.js
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import DistributedConnection from "../../src/Net/IIP/DistributedConnection.js";
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import Warehouse from "../../src/Resource/Warehouse.js";
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import { createRequire } from 'module'
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import AsyncReply from "../../src/Core/AsyncReply.js";
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import DistributedServer from "../../src/Net/IIP/DistributedServer.js";
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import IMembership from "../../src/Security/Membership/IMembership.js";
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import WSSocket from "../../src/Net/Sockets/WSSocket.js";
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import MemoryStore from "../../src/Stores/MemoryStore.js";
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import DC from "../../src/Data/DataConverter.js";
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import IResource from "../../src/Resource/IResource.js";
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import Structure from "../../src/Data/Structure.js";
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const require = createRequire(import.meta.url);
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const WebSocket = require('ws');
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const http = require("http");
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const fs = require("fs");
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const wss = new WebSocket.Server({port: 8081});
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class MyMembership extends IMembership {
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userExists(username, domain) {
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return new AsyncReply(true);
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}
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getPassword(username, domain) {
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return new AsyncReply(DC.stringToBytes("1234"));
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}
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};
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var server;
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class MyChat extends IResource {
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static get template() {
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return {
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namespace: "Chat",
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properties: [{name: "title"}, { name: "messages" }, {name: "users"}],
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events: [{ name: "message" }, { name: "voice", listenable: true }, {name: "login"}, {name: "logout"}],
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functions: [{ name: "send" }]
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};
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}
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constructor(){
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super();
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this.messages = [new Structure({usr: "Admin", msg: "Welcome to Esiur", date: new Date()})];
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this.title = "Chat Room";
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}
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get users() {
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return server.connections.map(x=>x.session.remoteAuthentication.username);
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}
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send(msg, sender)
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{
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let s = new Structure({ msg, usr: sender.session.remoteAuthentication.username, date: new Date()});
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this.messages.push(s);
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this._emit("message", s);
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}
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query(path, sender) {
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return new AsyncReply([this]);
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}
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}
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let sys = await Warehouse.new(MemoryStore, "sys");
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let ms = await Warehouse.new(MyMembership, "ms");
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let chat = await Warehouse.new(MyChat, "chat", sys);
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server = await Warehouse.new(DistributedServer, "dss", sys, null, null, {membership: ms, entryPoint: chat});
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wss.on('connection', function connection(ws)
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{
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let con = server.add();
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con.assign(new WSSocket(ws));
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con.on("ready", (x)=>{
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chat._emit("login", x.session.remoteAuthentication.username);
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}).on("close", (x)=>{
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chat._emit("logout", x.session.remoteAuthentication.username);
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});
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});
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http.createServer(function (req, res) {
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fs.readFile("." + req.url, function (err,data) {
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if (err) {
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res.writeHead(404);
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res.end(JSON.stringify(err));
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} else {
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res.writeHead(200, {"Content-Type": req.url.split('.').pop() == "js" ? "text/javascript" : "text/html"});
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res.end(data);
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}
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});
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}).listen(8080);
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console.log(`HTTP Server running http://localhost:8080/demo/chat/index.html`);
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console.log(`IIP Server running iip://localhost:8081`);
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91
demo/chat/index.html
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91
demo/chat/index.html
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<html>
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<head>
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<script type="module" src="../../src/esiur.js"></script>
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<link href="style.css" rel="stylesheet">
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<script>
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var service;
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let $ = document.querySelector;
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async function connect(){
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let status = document.getElementById("status");
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let username = document.getElementById("username").value;
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let login = document.getElementById("login");
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let chat = document.getElementById("chat");
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try {
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status.innerHTML = "Connecting...";
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service = await wh.get("iip://localhost:8081/chat", {username, password: "1234"});
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login.style.display = "none";
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service.on("message", appendMessage)
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.on(":title", updateTitle)
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.on("login", appendUser)
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.on("logout", removeUser)
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updateTitle();
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service.messages.forEach(appendMessage);
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service.users.forEach((x)=>appendUser(x, true));
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status.innerHTML = "Online";
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} catch (ex) {
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status.innerHTML = "Error " + ex.toString;
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}
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}
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function appendMessage(message)
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{
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let el = document.createElement("div");
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let list = document.getElementById("list");
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el.innerHTML = `<span>${message.usr}</span><span>${message.msg}</span><span>${message.date.toLocaleTimeString()}</span>`;
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list.append(el);
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list.scrollTop = list.scrollHeight;
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}
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function appendUser(usr, silent){
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let el = document.createElement("div");
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let users = document.getElementById("users");
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el.innerHTML = usr;
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users.append(el);
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if (!silent)
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appendMessage({usr, msg: "joined the room", date: new Date()});
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}
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function removeUser(usr){
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for(var i = 0; i < users.children.length; i++)
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if (users.children[i].innerHTML == usr)
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{
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users.removeChild(users.children[i]);
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break;
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}
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appendMessage({usr, msg: "left the room", date: new Date()});
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}
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function updateTitle()
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{
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document.getElementById("title").value = service.title;
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}
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function send(){
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service.send(document.getElementById("message").value);
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}
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</script>
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</head>
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<body>
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<div id="login">
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Username: <input id="username"> <button onclick="connect()">Connect</button>
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</div>
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<div id="chat">
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<div class="bar">
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<input id="title" onkeyup="service.title = this.value"><div id="status"></div>
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</div>
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<div class="bar">
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<div>Online users: </div> <div id="users"></div>
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</div>
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<div id="list"></div>
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<div class="bar">
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<input id="message"><button onclick="send()">Send</button>
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</div>
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</div>
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</body>
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</html>
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62
demo/chat/style.css
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62
demo/chat/style.css
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body
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{
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margin: 10vw 10vh;
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}
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#list {
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display: flex;
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flex-direction: column;
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padding: 10px;
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height: 50vh;
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overflow-y: scroll;
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}
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#list > div {
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display: flex;
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gap: 10px;
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}
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#list > div > span:nth-child(1)
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{
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color: #7159f5;
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}
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#list > div > span:nth-child(2)
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{
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flex: 1;
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}
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#chat {
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display: flex;
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flex-direction: column;
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border: 4px solid #d6d6d6;
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border-radius: 23px;
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overflow: hidden;
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}
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#status{
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flex: 1;
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text-align: end;
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}
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#login {
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padding: 10px;
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}
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.bar{
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display: flex; gap: 10px; background: gainsboro; padding: 10px;
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}
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#users{
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display: flex;
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gap: 4px;
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color: #d04949;
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font-weight: bold;
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}
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#users > div {
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border: 1px solid #b3b3b3;
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border-radius: 10px;
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background: white;
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padding: 0 6px;
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}
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