// 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
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// DEALINGS IN THE SOFTWARE.

//! Implementation of the [libp2p circuit relay v2
//! specification](https://github.com/libp2p/specs/blob/master/relay/circuit-v2.md).

#[allow(clippy::derive_partial_eq_without_eq)]
mod message_proto {
    include!(concat!(env!("OUT_DIR"), "/message_v2.pb.rs"));
}

pub mod client;
mod copy_future;
mod protocol;
pub mod relay;

pub use protocol::{
    inbound_hop::FatalUpgradeError as InboundHopFatalUpgradeError,
    inbound_stop::FatalUpgradeError as InboundStopFatalUpgradeError,
    outbound_hop::FatalUpgradeError as OutboundHopFatalUpgradeError,
    outbound_stop::FatalUpgradeError as OutboundStopFatalUpgradeError, HOP_PROTOCOL_NAME,
    STOP_PROTOCOL_NAME,
};

/// The ID of an outgoing / incoming, relay / destination request.
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub struct RequestId(u64);

impl RequestId {
    fn new() -> RequestId {
        RequestId(rand::random())
    }
}