src/doc/book/listings/ch20-web-server/listing-20-05/src/main.rs

   1 // ANCHOR: here
   2 use std::{
   3     fs,
   4     io::{prelude::*, BufReader},
   5     net::{TcpListener, TcpStream},
   6 };
   7 // --snip--
   8
   9 // ANCHOR_END: here
  10 fn main() {
  11     let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
  12
  13     for stream in listener.incoming() {
  14         let stream = stream.unwrap();
  15
  16         handle_connection(stream);
  17     }
  18 }
  19
  20 // ANCHOR: here
  21 fn handle_connection(mut stream: TcpStream) {
  22     let buf_reader = BufReader::new(&mut stream);
  23     let http_request: Vec<_> = buf_reader
  24         .lines()
  25         .map(|result| result.unwrap())
  26         .take_while(|line| !line.is_empty())
  27         .collect();
  28
  29     let status_line = "HTTP/1.1 200 OK";
  30     let contents = fs::read_to_string("hello.html").unwrap();
  31     let length = contents.len();
  32
  33     let response =
  34         format!("{status_line}\r\nContent-Length: {length}\r\n\r\n{contents}");
  35
  36     stream.write_all(response.as_bytes()).unwrap();
  37 }
  38 // ANCHOR_END: here