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// Copyright 2018 Parity Technologies (UK) Ltd. // // 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 futures::future::{self, FutureResult}; use libp2p_core::{InboundUpgrade, OutboundUpgrade, UpgradeInfo, upgrade::Negotiated}; use std::iter; use void::Void; #[derive(Debug, Copy, Clone)] pub struct PlainTextConfig; impl UpgradeInfo for PlainTextConfig { type Info = &'static [u8]; type InfoIter = iter::Once<Self::Info>; fn protocol_info(&self) -> Self::InfoIter { iter::once(b"/plaintext/1.0.0") } } impl<C> InboundUpgrade<C> for PlainTextConfig { type Output = Negotiated<C>; type Error = Void; type Future = FutureResult<Negotiated<C>, Self::Error>; fn upgrade_inbound(self, i: Negotiated<C>, _: Self::Info) -> Self::Future { future::ok(i) } } impl<C> OutboundUpgrade<C> for PlainTextConfig { type Output = Negotiated<C>; type Error = Void; type Future = FutureResult<Negotiated<C>, Self::Error>; fn upgrade_outbound(self, i: Negotiated<C>, _: Self::Info) -> Self::Future { future::ok(i) } }