mirror of
https://github.com/fluencelabs/rust-libp2p
synced 2025-06-26 08:11:39 +00:00
d605255fec
Introduce the new `libp2p::SwarmBuilder`. Users should use the new `libp2p::SwarmBuilder` instead of the now deprecated `libp2p::swarm::SwarmBuilder`. See `libp2p::SwarmBuilder` docs on how to use the new builder. Fixes #3657. Fixes #3563. Fixes #3179. Pull-Request: #4120.
73 lines
2.8 KiB
Rust
73 lines
2.8 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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#![doc = include_str!("../README.md")]
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use futures::StreamExt;
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use libp2p::{core::multiaddr::Multiaddr, identify, noise, swarm::SwarmEvent, tcp, yamux};
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use std::error::Error;
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#[async_std::main]
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async fn main() -> Result<(), Box<dyn Error>> {
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env_logger::init();
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let mut swarm = libp2p::SwarmBuilder::with_new_identity()
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.with_async_std()
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.with_tcp(
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tcp::Config::default(),
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noise::Config::new,
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yamux::Config::default,
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)?
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.with_behaviour(|key| {
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identify::Behaviour::new(identify::Config::new(
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"/ipfs/id/1.0.0".to_string(),
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key.public(),
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))
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})?
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.build();
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// Tell the swarm to listen on all interfaces and a random, OS-assigned
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// port.
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swarm.listen_on("/ip4/0.0.0.0/tcp/0".parse()?)?;
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// Dial the peer identified by the multi-address given as the second
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// command-line argument, if any.
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if let Some(addr) = std::env::args().nth(1) {
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let remote: Multiaddr = addr.parse()?;
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swarm.dial(remote)?;
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println!("Dialed {addr}")
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}
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loop {
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match swarm.select_next_some().await {
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SwarmEvent::NewListenAddr { address, .. } => println!("Listening on {address:?}"),
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// Prints peer id identify info is being sent to.
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SwarmEvent::Behaviour(identify::Event::Sent { peer_id, .. }) => {
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println!("Sent identify info to {peer_id:?}")
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}
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// Prints out the info received via the identify event
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SwarmEvent::Behaviour(identify::Event::Received { info, .. }) => {
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println!("Received {info:?}")
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}
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_ => {}
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}
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}
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}
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