// Copyright 2021 Protocol Labs.
//
// 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.

//! Implementation of the [libp2p Direct Connection Upgrade through Relay
//! specification](https://github.com/libp2p/specs/blob/master/relay/DCUtR.md).

#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]

pub mod behaviour;
mod handler;
mod protocol;

pub use protocol::{
    inbound::UpgradeError as InboundUpgradeError, outbound::UpgradeError as OutboundUpgradeError,
    PROTOCOL_NAME,
};

#[allow(clippy::derive_partial_eq_without_eq)]
mod message_proto {
    include!(concat!(env!("OUT_DIR"), "/holepunch.pb.rs"));
}