Code files

Chapter03/communicating-over-sockets/client.js

@@ -0,0 +1,16 @@
+'use strict'
+
+const net = require('net')
+
+const socket = net.connect(1337, 'localhost')
+const name = process.argv[2] || 'Dave'
+
+socket.write(name)
+
+socket.on('data', (data) => {
+  console.log(data.toString())
+})
+
+socket.on('close', () => {
+  console.log('-> disconnected by server')
+})

Chapter03/communicating-over-sockets/net-sockets-are-streams/client.js

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+'use strict'
+
+const net = require('net')
+
+const socket = net.connect(1337)
+const name = process.argv[2] || 'Dave'
+
+socket.write(name)
+
+socket.pipe(process.stdout)
+
+socket.on('close', () => {
+  console.log('-> disconnected by server')
+})

Chapter03/communicating-over-sockets/net-sockets-are-streams/echo-client.js

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+'use strict'
+
+process.stdin.pipe(require('net').connect(1338)).pipe(process.stdout)

Chapter03/communicating-over-sockets/net-sockets-are-streams/echo-server.js

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+'use strict'
+
+require('net').createServer((socket) => socket.pipe(socket)).listen(1338)

Chapter03/communicating-over-sockets/net-sockets-are-streams/server.js

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+'use strict'
+
+const net = require('net')
+
+net.createServer((socket) => {
+  console.log('-> client connected')
+  socket.once('data', name => {
+    socket.write(`Hi ${name}!`)
+  })
+  socket.on('close', () => {
+    console.log('-> client disconnected')
+  })
+}).listen(1337)

Chapter03/communicating-over-sockets/server.js

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+'use strict'
+
+const net = require('net')
+
+net.createServer((socket) => {
+  console.log('-> client connected')
+  socket.on('data', name => {
+    socket.write(`Hi ${name}!`)
+  })
+  socket.on('close', () => {
+    console.log('-> client disconnected')
+  })
+}).listen(1337, 'localhost')

Chapter03/communicating-over-sockets/udp-sockets/client.js

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+'use strict'
+
+const dgram = require('dgram')
+
+const socket = dgram.createSocket('udp4')
+const name = process.argv[2] || 'Dave'
+
+socket.bind(1400)
+socket.send(name, 1339)
+
+socket.on('message', (data) => {
+  console.log(data.toString())
+})

Chapter03/communicating-over-sockets/udp-sockets/server.js

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+'use strict'
+
+const dgram = require('dgram')
+
+const socket = dgram.createSocket('udp4')
+socket.bind(1339)
+
+socket.on('message', (name) => {
+  socket.send(`Hi ${name}!`, 1400)
+})

Chapter03/communicating-over-sockets/unix-sockets/client.js

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+'use strict'
+
+const net = require('net')
+
+const socket = net.connect('/tmp/my.socket')
+const name = process.argv[2] || 'Dave'
+
+socket.write(name)
+
+socket.on('data', (data) => {
+  console.log(data.toString())
+})
+
+socket.on('close', () => {
+  console.log('-> disconnected by server')
+})

Chapter03/communicating-over-sockets/unix-sockets/server.js

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+'use strict'
+
+const net = require('net')
+
+net.createServer((socket) => {
+  console.log('-> client connected')
+  socket.on('data', name => {
+    socket.write(`Hi ${name}!`)
+  })
+  socket.on('close', () => {
+    console.log('-> client disconnected')
+  })
+}).listen('/tmp/my.socket')