use std::net::TcpListener;
use std::net::TcpStream;
-use std::fs;
+use std::time::Duration;
+use std::{fs, str, thread};
fn handle_connection(mut stream: TcpStream) {
let mut buffer = [0; 1024];
stream.read(&mut buffer).unwrap();
- println!("Request: {}", String::from_utf8_lossy(&buffer[..]));
- let hello_contents = fs::read_to_string("hello.html").unwrap();
+ let buffer = match str::from_utf8(&buffer[..]) {
+ Ok(s) => s,
+ Err(e) => {
+ eprintln!("Invalid non-UTF8 request: {}\n{}", e, String::from_utf8_lossy(&buffer[..]));
+ return;
+ }
+ };
+ println!("Request: {}", buffer);
+
+ let path;
+
+ // simple web server, just interested in first line
+ if let Some(line) = buffer.lines().next() {
+ let request: Vec<_> = line.split_whitespace().collect();
+ if request.len() != 3 || request[0] != "GET" || request[2] != "HTTP/1.1" {
+ stream.write(b"HTTP/1.1 501 NOT IMPLEMENTED\r\n").unwrap();
+ stream.flush().unwrap();
+ return;
+ }
+
+ path = request[1];
+ } else {
+ eprintln!("Ignoring empty request: {}", buffer);
+ return;
+ }
+
+ let (code, file) = if path == "/" || path == "/index.html" {
+ ("200 OK", "index.html")
+ } else if path == "/slow" {
+ thread::sleep(Duration::from_secs(5));
+ ("200 OK", "index.html")
+ } else {
+ ("404 NOT FOUND", "404.html")
+ };
+
+ let text = fs::read_to_string(file).unwrap();
let response = format!(
- "HTTP/1.1 200 OK\r\n\
+ "HTTP/1.1 {}\r\n\
Content-Type: text/html\r\n\
Content-Length: {}\r\n\r\n{}",
- hello_contents.len(),
- hello_contents);
+ code,
+ text.len(),
+ text);
stream.write(response.as_bytes()).unwrap();
stream.flush().unwrap();
for stream in listener.incoming() {
let stream = stream.unwrap();
- handle_connection(stream);
+ thread::spawn(|| handle_connection(stream));
}
}