EmacsとRustでTCPソケットを開いて接続を待ち受ける

[package]
name = "emacs-tcp"
version = "0.1.0"
authors = ["TakesxiSximada <[email protected]>"]
edition = "2018"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
log = { version = "0.4" }
#+end_srcl


#+caption: src/main.rs
#+begin_src rust
use std::io::Write;
use std::io::Read;
use std::net::TcpListener;
use std::net::TcpStream;

fn handle(mut stream: TcpStream) {
    let mut buffer = [0; 1024];
    stream.read(&mut buffer).unwrap();
    println!("Receive: {:?}", buffer);
    let response = "HTTP/1.1 200 OK\r\n\r\nyay!!\r\n\r\n";
    stream.write(response.as_bytes()).unwrap();
    stream.flush().unwrap();
}

fn main() {
    let listener = TcpListener::bind("localhost:7878").unwrap();
    for stream in listener.incoming() {
	let stream = stream.unwrap();
	handle(stream);
    }
}