Mastering Go - Second Edition

A handy concurrent TCP server

Although the concurrent TCP server from the previous section works fine, it does not serve a practical application. Therefore, in this section, you will learn how to convert the keyValue.go application from Chapter 4, The Uses of Composite Types, into a fully-featured concurrent TCP application.

What we are going to do is create our own kind of TCP protocol in order to be able to interact with the key-value store from a network. You will need a keyword for each one of the functions of the key-value store. For reasons of simplicity, each keyword will be followed by the relevant data. The result of most commands will be a success or failure message.

Designing your own TCP- or UDP-based protocols is not an easy ...