stuff.rs

use std::io::prelude::*;
use std::net::{TcpListener, TcpStream};
use std::thread;

fn main() {
    let listener = TcpListener::bind("127.0.0.1:6667").unwrap();

    for stream in listener.incoming() {
        thread::spawn(move || {
            handle_client(stream.unwrap());
        });
    }
}

fn handle_client(mut stream: TcpStream) {
    loop {
        let mut buffer = [0; 512];
        stream.read(&mut buffer).unwrap();

        let line = String::from_utf8(buffer.to_vec()).unwrap();

        let nick = match parse_nick(&line) {
            Ok(nick) => nick,
            Err(_) => break
        };

        let msg = format!("001 {} :- Message of the Day", nick);
        if stream.write(msg.as_bytes()).is_err() {
            break;
        }

    }
}

fn parse_nick(line: &'static str) -> Result<&'static str, &'static str> {
    if line.contains("NICK") {
        Ok(line.split_at(5).1)
    } else {
        Err("Invalid nick command")
    }
}