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Commit 8ac2cc11 authored by Omar Elkadi's avatar Omar Elkadi
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set up web socket server in server.ts

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...@@ -26,6 +26,14 @@ ...@@ -26,6 +26,14 @@
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} }
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...@@ -246,6 +306,11 @@ ...@@ -246,6 +306,11 @@
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...@@ -945,6 +1026,95 @@ ...@@ -945,6 +1026,95 @@
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...@@ -1041,6 +1211,11 @@ ...@@ -1041,6 +1211,11 @@
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...@@ -1171,6 +1346,11 @@ ...@@ -1171,6 +1346,11 @@
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......
...@@ -13,11 +13,14 @@ ...@@ -13,11 +13,14 @@
"license": "ISC", "license": "ISC",
"dependencies": { "dependencies": {
"@types/express": "^4.17.9", "@types/express": "^4.17.9",
"@types/mongodb": "^3.6.18",
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......
<h1>Real Time Messaging</h1> <html>
<pre id="messages" style="height: 400px; overflow: scroll"></pre> <h1>Real Time Messaging</h1>
<input type="text" id="messageBox" placeholder="Type your message here" style="display: block; width: 100%; margin-bottom: 10px; padding: 10px;" /> <pre id="messages" style="height: 400px; overflow: scroll"></pre>
<button id="send" title="Send Message!" style="width: 100%; height: 30px;">Send Message</button> <input type="text" id="messageBox" placeholder="Type your message here" style="display: block; width: 100%; margin-bottom: 10px; padding: 10px;" />
<button id="send" title="Send Message!" style="width: 100%; height: 30px;">Send Message</button>
</html>
<script> <script>
(function() { (
function() {
const sendBtn = document.querySelector('#send'); const sendBtn = document.querySelector('#send');
const messages = document.querySelector('#messages'); const messages = document.querySelector('#messages');
const messageBox = document.querySelector('#messageBox'); const messageBox = document.querySelector('#messageBox');
...@@ -22,6 +25,7 @@ ...@@ -22,6 +25,7 @@
ws.onerror = ws.onopen = ws.onclose = null; ws.onerror = ws.onopen = ws.onclose = null;
ws.close(); ws.close();
} }
ws = new WebSocket('ws://localhost:6868'); ws = new WebSocket('ws://localhost:6868');
ws.onopen = () => { ws.onopen = () => {
...@@ -39,7 +43,7 @@ ...@@ -39,7 +43,7 @@
return ; return ;
} }
ws.send(messageBox.value); ws.send( messageBox.value);
showMessage(messageBox.value); showMessage(messageBox.value);
} }
......
...@@ -4,7 +4,6 @@ import * as express from "express"; ...@@ -4,7 +4,6 @@ import * as express from "express";
import { patientRoutes } from "./routes/patientRoutes"; import { patientRoutes } from "./routes/patientRoutes";
import { dataRoutes } from "./routes/dataRoutes"; import { dataRoutes } from "./routes/dataRoutes";
import * as cors from "cors"; import * as cors from "cors";
import multer = require("multer");
import WebSocket = require("ws"); import WebSocket = require("ws");
// Express Server Typescript // Express Server Typescript
...@@ -19,7 +18,7 @@ class Server { ...@@ -19,7 +18,7 @@ class Server {
this.config(); this.config();
this.routes(); this.routes();
} }
// add middelwares
public config(): void { public config(): void {
this.app.set("port", process.env.PORT || 3000); this.app.set("port", process.env.PORT || 3000);
// data is saved as objects in an array, objects contain timestamp and dataobject // data is saved as objects in an array, objects contain timestamp and dataobject
...@@ -27,7 +26,7 @@ class Server { ...@@ -27,7 +26,7 @@ class Server {
this.app.use(express.json()); this.app.use(express.json());
this.app.use(express.urlencoded({ extended: false })); this.app.use(express.urlencoded({ extended: false }));
this.app.use(cors()) //nesssary for allow the client side acsses the backend this.app.use(cors()) //nesssary for allow the client side acsses the backend
this.app.use(express.static('public')); this.app.use(express.static('public'))
//this.app.use(bodyParser.json()); //this.app.use(bodyParser.json());
//this.app.use(bodyParser.urlencoded({ extended: true })); //this.app.use(bodyParser.urlencoded({ extended: true }));
...@@ -71,10 +70,11 @@ wss.on('connection', function connection(ws) { ...@@ -71,10 +70,11 @@ wss.on('connection', function connection(ws) {
}) })
}) })
}) })
// create a websocket server
wSserver.listen(port, function() { wSserver.listen(port, function() {
console.log(`Server is listening on ${port}!`) console.log(`Server is listening on ${port}!`)
}) })
const server = new Server(); const server = new Server();
server.start(server.serv, 3000); // server.serv is httpServer, 3000 Portnumber server.start(server.serv, 3000); // server.serv is httpServer, 3000 Portnumber
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