mirror of
https://github.com/fluencelabs/rust-libp2p
synced 2025-05-03 06:32:16 +00:00
63512e5f16
Remove `Deref` and `DerefMut` implementations previously dereferencing to the `NetworkBehaviour` on `Swarm`. Instead one can access the `NetworkBehaviour` via `Swarm::behaviour` and `Swarm::behaviour_mut`. Methods on `Swarm` can now be accessed directly, e.g. via `my_swarm.local_peer_id()`. Reasoning: Accessing the `NetworkBehaviour` of a `Swarm` through `Deref` and `DerefMut` instead of a method call is an unnecessary complication, especially for newcomers. In addition, `Swarm` is not a smart-pointer and should thus not make use of `Deref` and `DerefMut`, see documentation from the standard library below. > Deref should only be implemented for smart pointers to avoid confusion. https://doc.rust-lang.org/std/ops/trait.Deref.html
85 lines
3.1 KiB
Rust
85 lines
3.1 KiB
Rust
// Copyright 2020 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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use futures::executor::block_on;
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use futures::stream::StreamExt;
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use libp2p::core::upgrade;
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use libp2p::plaintext;
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use libp2p::relay::RelayConfig;
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use libp2p::tcp::TcpConfig;
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use libp2p::Transport;
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use libp2p::{identity, PeerId, Swarm};
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use std::error::Error;
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use std::task::{Context, Poll};
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use std::time::Duration;
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fn main() -> Result<(), Box<dyn Error>> {
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env_logger::init();
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// Create a random PeerId
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let local_key = identity::Keypair::generate_ed25519();
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let local_peer_id = PeerId::from(local_key.public());
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println!("Local peer id: {:?}", local_peer_id);
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let tcp_transport = TcpConfig::new();
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let relay_config = RelayConfig {
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connection_idle_timeout: Duration::from_secs(10 * 60),
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..Default::default()
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};
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let (relay_wrapped_transport, relay_behaviour) =
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libp2p_relay::new_transport_and_behaviour(relay_config, tcp_transport);
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let plaintext = plaintext::PlainText2Config {
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local_public_key: local_key.public(),
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};
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let transport = relay_wrapped_transport
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.upgrade(upgrade::Version::V1)
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.authenticate(plaintext)
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.multiplex(libp2p_yamux::YamuxConfig::default())
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.boxed();
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let mut swarm = Swarm::new(transport, relay_behaviour, local_peer_id);
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// Listen on all interfaces and whatever port the OS assigns
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swarm.listen_on("/ip6/::/tcp/0".parse()?)?;
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let mut listening = false;
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block_on(futures::future::poll_fn(move |cx: &mut Context<'_>| {
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loop {
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match swarm.poll_next_unpin(cx) {
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Poll::Ready(Some(event)) => println!("{:?}", event),
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Poll::Ready(None) => return Poll::Ready(Ok(())),
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Poll::Pending => {
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if !listening {
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for addr in Swarm::listeners(&swarm) {
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println!("Listening on {:?}", addr);
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listening = true;
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}
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}
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break;
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}
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}
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}
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Poll::Pending
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}))
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}
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