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// 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.

use crate::v2::message_proto;
use std::time::Duration;

pub mod inbound_hop;
pub mod inbound_stop;
pub mod outbound_hop;
pub mod outbound_stop;

const HOP_PROTOCOL_NAME: &[u8; 31] = b"/libp2p/circuit/relay/0.2.0/hop";
const STOP_PROTOCOL_NAME: &[u8; 32] = b"/libp2p/circuit/relay/0.2.0/stop";

const MAX_MESSAGE_SIZE: usize = 4096;

#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Limit {
    duration: Option<Duration>,
    data_in_bytes: Option<u64>,
}

impl From<message_proto::Limit> for Limit {
    fn from(limit: message_proto::Limit) -> Self {
        Limit {
            duration: limit.duration.map(|d| Duration::from_secs(d.into())),
            data_in_bytes: limit.data,
        }
    }
}