chapter 2: initial samples

Chapter02/communicating-with-sockets/client.js

@@ -0,0 +1,12 @@
+const net = require('net');
+
+const HOSTNAME = 'localhost';
+const PORT = 3000;
+
+const socket = net.connect(PORT, HOSTNAME);
+
+socket.write('World');
+
+socket.on('data', (data) => {
+    console.log(data.toString());
+});

Chapter02/communicating-with-sockets/server.js

@@ -0,0 +1,13 @@
+const net = require('net');
+
+const HOSTNAME = 'localhost';
+const PORT = 3000;
+
+net.createServer((socket) => {
+    console.log('Client connected.');
+
+    socket.on('data', name => {
+        socket.write(`Hello ${name}!`);
+    });
+
+}).listen(PORT, HOSTNAME);