mirror of
https://github.com/fluencelabs/rust-libp2p
synced 2025-05-31 03:31:21 +00:00
2a14df25eb
This patch combines the `libp2p_core::identity` and `libp2p_core::peer_id` modules into a new crate: `libp2p-identity`. Resolves https://github.com/libp2p/rust-libp2p/issues/3349. Pull-Request: #3350.
95 lines
3.5 KiB
Rust
95 lines
3.5 KiB
Rust
// Copyright 2018 Parity Technologies (UK) Ltd.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//! Provides the `TransportExt` trait.
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use crate::core::{
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muxing::{StreamMuxer, StreamMuxerBox},
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transport::Boxed,
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};
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use crate::{
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bandwidth::{BandwidthLogging, BandwidthSinks},
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Transport,
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};
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use libp2p_identity::PeerId;
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use std::sync::Arc;
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/// Trait automatically implemented on all objects that implement `Transport`. Provides some
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/// additional utilities.
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pub trait TransportExt: Transport {
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/// Adds a layer on the `Transport` that logs all trafic that passes through the streams
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/// created by it.
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///
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/// This method returns an `Arc<BandwidthSinks>` that can be used to retrieve the total number
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/// of bytes transferred through the streams.
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///
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/// # Example
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///
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/// ```
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/// use libp2p_mplex as mplex;
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/// use libp2p_noise as noise;
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/// use libp2p_tcp as tcp;
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/// use libp2p::{
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/// core::upgrade,
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/// identity,
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/// TransportExt,
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/// Transport,
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/// };
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///
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/// let id_keys = identity::Keypair::generate_ed25519();
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///
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/// let transport = tcp::tokio::Transport::new(tcp::Config::default().nodelay(true))
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/// .upgrade(upgrade::Version::V1)
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/// .authenticate(
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/// noise::NoiseAuthenticated::xx(&id_keys)
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/// .expect("Signing libp2p-noise static DH keypair failed."),
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/// )
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/// .multiplex(mplex::MplexConfig::new())
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/// .boxed();
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///
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/// let (transport, sinks) = transport.with_bandwidth_logging();
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/// ```
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fn with_bandwidth_logging<S>(self) -> (Boxed<(PeerId, StreamMuxerBox)>, Arc<BandwidthSinks>)
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where
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Self: Sized + Send + Unpin + 'static,
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Self::Dial: Send + 'static,
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Self::ListenerUpgrade: Send + 'static,
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Self::Error: Send + Sync,
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Self::Output: Into<(PeerId, S)>,
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S: StreamMuxer + Send + 'static,
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S::Substream: Send + 'static,
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S::Error: Send + Sync + 'static,
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{
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let sinks = BandwidthSinks::new();
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let sinks_copy = sinks.clone();
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let transport = Transport::map(self, |output, _| {
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let (peer_id, stream_muxer_box) = output.into();
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(
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peer_id,
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StreamMuxerBox::new(BandwidthLogging::new(stream_muxer_box, sinks_copy)),
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)
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})
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.boxed();
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(transport, sinks)
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}
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}
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impl<TTransport> TransportExt for TTransport where TTransport: Transport {}
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