Book Image

Mastering Go – Third Edition - Third Edition

By : Mihalis Tsoukalos
5 (2)
Book Image

Mastering Go – Third Edition - Third Edition

5 (2)
By: Mihalis Tsoukalos

Overview of this book

Mastering Go is the essential guide to putting Go to work on real production systems. This freshly updated third edition includes topics like creating RESTful servers and clients, understanding Go generics, and developing gRPC servers and clients. Mastering Go was written for programmers who want to explore the capabilities of Go in practice. As you work your way through the chapters, you’ll gain confidence and a deep understanding of advanced Go concepts, including concurrency and the operation of the Go Garbage Collector, using Go with Docker, writing powerful command-line utilities, working with JavaScript Object Notation (JSON) data, and interacting with databases. You’ll also improve your understanding of Go internals to optimize Go code and use data types and data structures in new and unexpected ways. This essential Go programming book will also take you through the nuances and idioms of Go with exercises and resources to fully embed your newly acquired knowledge. With the help of Mastering Go, you’ll become an expert Go programmer by building Go systems and implementing advanced Go techniques in your projects.
Table of Contents (17 chapters)
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Creating a WebSocket client

This subsection shows how to program a WebSocket client in Go. The client reads user data that sends it to the server and reads the server response. The client directory of contains the implementation of the WebSocket client—I find it more convenient to include both implementations in the same repository.

As with the WebSocket server, the gorilla/websocket package is going to help us develop the WebSocket client.

We are going to see gorilla in the next chapter when working with RESTful services.

The code of ./client/client.go is as follows:

package main
import (
var SERVER = ""
var PATH = ""
var in = bufio.NewReader...