Code files

Chapter04/decoupling-io/tcp-server/index.js

@@ -0,0 +1,17 @@
+'use strict'
+
+const net = require('net')
+const pump = require('pump')
+const ping = require('../ping-protocol-stream')
+
+const server = net.createServer((socket) => {
+  const protocol = ping()
+  pump(socket, protocol, socket, closed)
+})
+
+function closed (err) {
+  if (err) console.error('connection closed with error', err)
+  else console.log('connection closed')
+}
+
+server.listen(3000)