epicinium_server 1.0.12

An asynchronous multiplayer server for the strategy game Epicinium.
Documentation 
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/*
 * Part of epicinium_server
 * developed by A Bunch of Hacks.
 *
 * Copyright (c) 2018-2021 A Bunch of Hacks
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * [authors:]
 * Sander in 't Veld (sander@abunchofhacks.coop)
 */

use crate::server::message::*;

pub use crate::server::login::LoginData;
pub use crate::server::login::Request;
pub use crate::server::login::Server;

use std::sync;

use log::*;

use tokio::sync::mpsc;

pub async fn run(
	mut sendbuffer: mpsc::Sender<Message>,
	mut joinedbuffer: mpsc::Sender<LoginData>,
	mut requestbuffer: mpsc::Receiver<Request>,
	login_server: sync::Arc<Server>,
) -> Result<(), Error>
{
	while let Some(request) = requestbuffer.recv().await
	{
		match login_server.login(request).await
		{
			Ok(logindata) =>
			{
				joinedbuffer.send(logindata).await?;
			}
			Err(responsestatus) =>
			{
				debug!("Login failed with {:?}", responsestatus);
				let message = Message::JoinServer {
					status: Some(responsestatus),
					content: None,
					sender: None,
					metadata: Default::default(),
				};
				sendbuffer.send(message).await?;
			}
		}
	}

	Ok(())
}

#[derive(Debug)]
pub enum Error
{
	SendLoginData(mpsc::error::SendError<LoginData>),
	SendMessage(mpsc::error::SendError<Message>),
}

impl From<mpsc::error::SendError<LoginData>> for Error
{
	fn from(error: mpsc::error::SendError<LoginData>) -> Error
	{
		Error::SendLoginData(error)
	}
}

impl From<mpsc::error::SendError<Message>> for Error
{
	fn from(error: mpsc::error::SendError<Message>) -> Error
	{
		Error::SendMessage(error)
	}
}

impl std::fmt::Display for Error
{
	fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result
	{
		match self
		{
			Error::SendLoginData(error) => error.fmt(f),
			Error::SendMessage(error) => error.fmt(f),
		}
	}
}