Rust

16.5    Solutions

This section provides the code solutions for the practice exercises in Section 16.4.

1. Reading and parsing HTTP request headers

   use std::io::{BufRead, BufReader, Write};use std::net::{TcpListener, TcpStream};fn main() {    let listener = TcpListener::bind("127.0.0.1:9000").unwrap();    println!("Server listening on 127.0.0.1:9000...");    for stream in listener.incoming() {        match stream {            Ok(mut stream) => {                handle_connection(stream);            }            Err(e) => {                println!("Error accepting connection: {}", e);            }        }    }}fn handle_connection(mut stream: TcpStream) {    let buf_reader = BufReader::new(&mut stream);    let request_lines: Vec<String> = buf_reader        .lines()        .map(|result| result.unwrap())        .take_while(|line| !line.is_empty())        .collect();    let first_line ...