simple rust server

simple_rust_server.rs

use std::fs;
use std::io::{ Read, Write };
use std::net::{ TcpListener, TcpStream};

fn main() {
  let server: TcpListener = TcpListener::bind("127.0.0.1:8080").unwrap();
  for stream in server.incoming() {
    match stream {
      Ok(mut stream) => {
        router(stream)
      },
      Err(err) => {
        println!("[Unable to connect] {}", err);
      }
    }
  }
}

fn router(mut stream: TcpStream) {
  let mut buf: [u8; 512] = [0; 512];
  stream.read(&mut buf).unwrap();
  println!("[request] {}", String::from_utf8_lossy(&buf[..]));
  let body: String = fs::read_to_string("./public/index.html").unwrap();
  let response: String = format!("HTTP/1.1 200 OK\r\n{}\r\n{}", "", body);
  stream.write(response.as_bytes()).unwrap();
  stream.flush().unwrap();
}