// The MIT License (MIT)

// Copyright (c) 2014 Y. T. CHUNG <zonyitoo@gmail.com>

// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

//! Relay server in local and server side implementations.

use std::io;

use futures::Future;

pub mod tcprelay;
pub mod udprelay;
pub mod local;
pub mod server;
mod loadbalancing;
mod dns_resolver;
pub mod socks5;

/// Alias for Boxed Future without Send
pub type BoxIoFuture<T> = Box<Future<Item = T, Error = io::Error>>;

fn boxed_future<T, E, F>(f: F) -> Box<Future<Item = T, Error = E>>
    where F: Future<Item = T, Error = E> + 'static
{
    Box::new(f)
}