1 use std::io::prelude::*;
3 use std::net::TcpListener;
4 use std::net::TcpStream;
5 use std::time::Duration;
6 use std::{fs, str, thread};
8 fn handle_connection(mut stream: TcpStream) {
9 let mut buffer = [0; 1024];
11 stream.read(&mut buffer).unwrap();
13 let buffer = match str::from_utf8(&buffer[..]) {
16 eprintln!("Invalid non-UTF8 request: {}\n{}", e, String::from_utf8_lossy(&buffer[..]));
20 println!("Request: {}", buffer);
24 // simple web server, just interested in first line
25 if let Some(line) = buffer.lines().next() {
26 let request: Vec<_> = line.split_whitespace().collect();
27 if request.len() != 3 || request[0] != "GET" || request[2] != "HTTP/1.1" {
28 stream.write(b"HTTP/1.1 501 NOT IMPLEMENTED\r\n").unwrap();
29 stream.flush().unwrap();
35 eprintln!("Ignoring empty request: {}", buffer);
39 let (code, file) = if path == "/" || path == "/index.html" {
40 ("200 OK", "index.html")
41 } else if path == "/slow" {
42 thread::sleep(Duration::from_secs(5));
43 ("200 OK", "index.html")
45 ("404 NOT FOUND", "404.html")
48 let text = fs::read_to_string(file).unwrap();
50 let response = format!(
52 Content-Type: text/html\r\n\
53 Content-Length: {}\r\n\r\n{}",
58 stream.write(response.as_bytes()).unwrap();
59 stream.flush().unwrap();
63 let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
65 for stream in listener.incoming() {
66 let stream = stream.unwrap();
67 handle_connection(stream);