@SuppressWarnings("rawtypes")
	public synchronized boolean logClientIn(String clientName, String passcode, ServerProtocol protocol){
		User userFound= _users.get(clientName);
		if ((userFound != null) && (userFound.checkPassword(passcode)) && (!userFound.isLoggedIn())){
			_users.get(clientName).setProtocol(protocol);
			System.out.println("User " + clientName + " logged in");
			return true;
		}
		return false;
	}