8 Networking
This chapter covers
- Implementing a networking stack
- Handling multiple error types within local scope
- When to use trait objects
- Implementing state machines in Rust
This chapter describes how to make HTTP requests multiple times, stripping away a layer of abstraction each time. We start by using a user-friendly library, then boil that away until we’re left with manipulating raw TCP packets. When we’re finished, you’ll be able to distinguish an IP address from a MAC address. And you’ll learn why we went straight from IPv4 to IPv6.
You’ll also learn lots of Rust in this chapter, most of it related to advanced error handling techniques that become essential for incorporating upstream crates. Several pages are devoted to error handling. ...
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