November 2013
Intermediate to advanced
148 pages
3h 12m
English
Content preview from Node.js the Right Way
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Creating Socket Client Connections
So far in this chapter, we’ve explored the server side of Node sockets. Here we’ll write a client program in Node to receive JSON messages from our net-watcher-json-service program. We’ll start with a naive implementation, and then improve upon it through the rest of the chapter.
Open an editor and insert this:
| networking/net-watcher-json-client.js | |
| | "use strict"; |
| | const |
| | net = require('net'), |
| | client = net.connect({port: 5432}); |
| | client.on('data', function(data) { |
| | let message = JSON.parse(data); |
| | if (message.type === 'watching') { |
| | console.log("Now watching: " + message.file); |
| | } else if (message.type === 'changed') { |
| | let date = new Date(message.timestamp); |
| | console.log( ... |
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