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Update ch20-03 final listing #139

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Update ch20-03 final listing #139

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33 changes: 13 additions & 20 deletions listings/ch20-web-server/no-listing-07-final-code/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,30 +22,23 @@ fn main() {
}

fn handle_connection(mut stream: TcpStream) {
let mut buffer = [0; 1024];
stream.read(&mut buffer).unwrap();

let get = b"GET / HTTP/1.1\r\n";
let sleep = b"GET /sleep HTTP/1.1\r\n";

let (status_line, filename) = if buffer.starts_with(get) {
("HTTP/1.1 200 OK", "hello.html")
} else if buffer.starts_with(sleep) {
thread::sleep(Duration::from_secs(5));
("HTTP/1.1 200 OK", "hello.html")
} else {
("HTTP/1.1 404 NOT FOUND", "404.html")
let buf_reader = BufReader::new(&mut stream);
let request_line = buf_reader.lines().next().unwrap().unwrap();

let (status_line, filename) = match &request_line[..] {
"GET / HTTP/1.1" => ("HTTP/1.1 200 OK", "hello.html"),
"GET /sleep HTTP/1.1" => {
thread::sleep(Duration::from_secs(5));
("HTTP/1.1 200 OK", "hello.html")
}
_ => ("HTTP/1.1 404 NOT FOUND", "404.html"),
};

let contents = fs::read_to_string(filename).unwrap();
let length = contents.len();

let response = format!(
"{}\r\nContent-Length: {}\r\n\r\n{}",
status_line,
contents.len(),
contents
);
let response =
format!("{status_line}\r\nContent-Length: {length}\r\n\r\n{contents}");

stream.write_all(response.as_bytes()).unwrap();
stream.flush().unwrap();
}