Chapter 6. Telnet Protocol and a Simple Chat Server

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In the previous chapter, I showed you the base SocketLib library and the protocol policy system I've set up. Unfortunately, I couldn't actually show you any demonstrations , since the library needs a complete protocol policy to work and I haven't shown you any protocols yet!

So, in this chapter, I'm going to introduce you to the Telnet protocol, which is bar-none the most common protocol used for text MUDs. The great thing about the protocol is that it is so simple, and almost every operating system has built-in Telnet clients. Because of this, there's no need to dig too far into learning how to create clients . This is good, because it gives me more room to go over the real meat of MUDsthe servers.

In this chapter, you will learn to:

Understand the basics of the Telnet protocol
Work with the standard VT100 control codes
Create a Telnet protocol policy class
Create Telnet handlers
Create a simple chat server using Telnet
Use demos that illustrate the concepts of the chapter

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