mirror of
https://github.com/fluencelabs/rust-libp2p
synced 2025-06-22 14:21:33 +00:00
Merge branch 'rust_master' into libp2p_0_20
# Conflicts: # .github/workflows/ci.yml # Cargo.toml # core/Cargo.toml # examples/distributed-key-value-store.rs # misc/multistream-select/Cargo.toml # muxers/mplex/Cargo.toml # protocols/deflate/Cargo.toml # protocols/gossipsub/Cargo.toml # protocols/identify/Cargo.toml # protocols/kad/src/behaviour.rs # protocols/kad/src/behaviour/test.rs # protocols/kad/src/kbucket.rs # protocols/kad/src/kbucket/bucket.rs # protocols/kad/src/lib.rs # protocols/kad/src/query.rs # protocols/kad/src/query/peers/closest.rs # protocols/mdns/Cargo.toml # protocols/ping/Cargo.toml # protocols/secio/Cargo.toml # transports/tcp/Cargo.toml # transports/uds/Cargo.toml
This commit is contained in:
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@ -1,210 +1,209 @@
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// // Copyright 20l9 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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// Copyright 20l9 Parity Technologies (UK) Ltd.
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//
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// //! A basic key value store demonstrating libp2p and the mDNS and Kademlia protocols.
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// //!
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// //! 1. Using two terminal windows, start two instances. If you local network
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// //! allows mDNS, they will automatically connect.
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// //!
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// //! 2. Type `PUT my-key my-value` in terminal one and hit return.
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// //!
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// //! 3. Type `GET my-key` in terminal two and hit return.
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// //!
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// //! 4. Close with Ctrl-c.
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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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// use async_std::{io, task};
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// use futures::prelude::*;
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// use libp2p::kad::record::store::MemoryStore;
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// use libp2p::kad::{
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// record::Key,
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// Kademlia,
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// KademliaEvent,
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// PutRecordOk,
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// QueryResult,
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// Quorum,
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// Record
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// };
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// use libp2p::{
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// NetworkBehaviour,
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// PeerId,
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// Swarm,
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// build_development_transport,
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// identity,
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// mdns::{Mdns, MdnsEvent},
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// swarm::NetworkBehaviourEventProcess
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// };
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// use std::{error::Error, task::{Context, Poll}};
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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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// fn main() -> Result<(), Box<dyn Error>> {
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// env_logger::init();
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//
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// // Create a random key for ourselves.
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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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//
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// // Set up a an encrypted DNS-enabled TCP Transport over the Mplex protocol.
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// let transport = build_development_transport(local_key)?;
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//
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// // We create a custom network behaviour that combines Kademlia and mDNS.
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// #[derive(NetworkBehaviour)]
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// struct MyBehaviour {
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// kademlia: Kademlia<MemoryStore>,
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// mdns: Mdns
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// }
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//
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// impl NetworkBehaviourEventProcess<MdnsEvent> for MyBehaviour {
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// // Called when `mdns` produces an event.
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// fn inject_event(&mut self, event: MdnsEvent) {
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// if let MdnsEvent::Discovered(list) = event {
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// for (peer_id, multiaddr) in list {
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// self.kademlia.add_address(&peer_id, multiaddr);
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// }
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// }
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// }
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// }
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//
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// impl NetworkBehaviourEventProcess<KademliaEvent> for MyBehaviour {
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// // Called when `kademlia` produces an event.
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// fn inject_event(&mut self, message: KademliaEvent) {
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// match message {
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// KademliaEvent::QueryResult { result, .. } => match result {
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// QueryResult::GetRecord(Ok(ok)) => {
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// for Record { key, value, .. } in ok.records {
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// println!(
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// "Got record {:?} {:?}",
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// std::str::from_utf8(key.as_ref()).unwrap(),
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// std::str::from_utf8(&value).unwrap(),
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// );
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// }
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// }
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// QueryResult::GetRecord(Err(err)) => {
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// eprintln!("Failed to get record: {:?}", err);
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// }
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// QueryResult::PutRecord(Ok(PutRecordOk { key })) => {
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// println!(
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// "Successfully put record {:?}",
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// std::str::from_utf8(key.as_ref()).unwrap()
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// );
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// }
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// QueryResult::PutRecord(Err(err)) => {
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// eprintln!("Failed to put record: {:?}", err);
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// }
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// _ => {}
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// }
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// _ => {}
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// }
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// }
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// }
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//
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// // Create a swarm to manage peers and events.
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// let mut swarm = {
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// // Create a Kademlia behaviour.
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// let store = MemoryStore::new(local_peer_id.clone());
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// let kademlia = Kademlia::new(local_peer_id.clone(), store);
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// let mdns = Mdns::new()?;
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// let behaviour = MyBehaviour { kademlia, mdns };
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// Swarm::new(transport, behaviour, local_peer_id)
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// };
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//
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// // Read full lines from stdin
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// let mut stdin = io::BufReader::new(io::stdin()).lines();
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//
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// // Listen on all interfaces and whatever port the OS assigns.
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// Swarm::listen_on(&mut swarm, "/ip4/0.0.0.0/tcp/0".parse()?)?;
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//
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// // Kick it off.
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// let mut listening = false;
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// task::block_on(future::poll_fn(move |cx: &mut Context| {
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// loop {
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// match stdin.try_poll_next_unpin(cx)? {
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// Poll::Ready(Some(line)) => handle_input_line(&mut swarm.kademlia, line),
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// Poll::Ready(None) => panic!("Stdin closed"),
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// Poll::Pending => break
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// }
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// }
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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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// if let Some(a) = Swarm::listeners(&swarm).next() {
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// println!("Listening on {:?}", a);
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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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//
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// fn handle_input_line(kademlia: &mut Kademlia<MemoryStore>, line: String) {
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// let mut args = line.split(" ");
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//
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// match args.next() {
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// Some("GET") => {
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// let key = {
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// match args.next() {
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// Some(key) => Key::new(&key),
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// None => {
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// eprintln!("Expected key");
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// return;
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// }
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// }
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// };
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// kademlia.get_record(&key, Quorum::One);
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// }
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// Some("PUT") => {
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// let key = {
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// match args.next() {
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// Some(key) => Key::new(&key),
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// None => {
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// eprintln!("Expected key");
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// return;
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// }
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// }
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// };
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// let value = {
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// match args.next() {
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// Some(value) => value.as_bytes().to_vec(),
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// None => {
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// eprintln!("Expected value");
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// return;
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// }
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// }
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// };
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// let record = Record {
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// key,
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// value,
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// publisher: None,
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// expires: None,
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// };
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// kademlia.put_record(record, Quorum::One).expect("Failed to store record locally.");
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// }
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// _ => {
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// eprintln!("expected GET or PUT");
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// }
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// }
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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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fn main() {}
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//! A basic key value store demonstrating libp2p and the mDNS and Kademlia protocols.
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//!
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//! 1. Using two terminal windows, start two instances. If you local network
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//! allows mDNS, they will automatically connect.
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//!
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//! 2. Type `PUT my-key my-value` in terminal one and hit return.
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//!
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//! 3. Type `GET my-key` in terminal two and hit return.
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//!
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//! 4. Close with Ctrl-c.
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use async_std::{io, task};
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use futures::prelude::*;
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use libp2p::kad::record::store::MemoryStore;
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use libp2p::kad::{
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Kademlia,
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KademliaEvent,
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PeerRecord,
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PutRecordOk,
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QueryResult,
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Quorum,
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Record,
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record::Key,
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};
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use libp2p::{
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NetworkBehaviour,
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PeerId,
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Swarm,
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build_development_transport,
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identity,
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mdns::{Mdns, MdnsEvent},
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swarm::NetworkBehaviourEventProcess
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};
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use std::{error::Error, task::{Context, Poll}};
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fn main() -> Result<(), Box<dyn Error>> {
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env_logger::init();
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// Create a random key for ourselves.
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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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// Set up a an encrypted DNS-enabled TCP Transport over the Mplex protocol.
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let transport = build_development_transport(local_key)?;
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// We create a custom network behaviour that combines Kademlia and mDNS.
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#[derive(NetworkBehaviour)]
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struct MyBehaviour {
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kademlia: Kademlia<MemoryStore>,
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mdns: Mdns
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}
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impl NetworkBehaviourEventProcess<MdnsEvent> for MyBehaviour {
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// Called when `mdns` produces an event.
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fn inject_event(&mut self, event: MdnsEvent) {
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if let MdnsEvent::Discovered(list) = event {
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for (peer_id, multiaddr) in list {
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self.kademlia.add_address(&peer_id, multiaddr);
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}
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}
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}
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}
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impl NetworkBehaviourEventProcess<KademliaEvent> for MyBehaviour {
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// Called when `kademlia` produces an event.
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fn inject_event(&mut self, message: KademliaEvent) {
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match message {
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KademliaEvent::QueryResult { result, .. } => match result {
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QueryResult::GetRecord(Ok(ok)) => {
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for PeerRecord { record: Record { key, value, .. }, ..} in ok.records {
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println!(
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"Got record {:?} {:?}",
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std::str::from_utf8(key.as_ref()).unwrap(),
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std::str::from_utf8(&value).unwrap(),
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);
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}
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}
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QueryResult::GetRecord(Err(err)) => {
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eprintln!("Failed to get record: {:?}", err);
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}
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QueryResult::PutRecord(Ok(PutRecordOk { key })) => {
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println!(
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"Successfully put record {:?}",
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std::str::from_utf8(key.as_ref()).unwrap()
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);
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}
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QueryResult::PutRecord(Err(err)) => {
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eprintln!("Failed to put record: {:?}", err);
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}
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_ => {}
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}
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_ => {}
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}
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}
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}
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// Create a swarm to manage peers and events.
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let mut swarm = {
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// Create a Kademlia behaviour.
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let store = MemoryStore::new(local_peer_id.clone());
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let kademlia = Kademlia::new(local_peer_id.clone(), store);
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let mdns = Mdns::new()?;
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let behaviour = MyBehaviour { kademlia, mdns };
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Swarm::new(transport, behaviour, local_peer_id)
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};
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// Read full lines from stdin
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let mut stdin = io::BufReader::new(io::stdin()).lines();
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// Listen on all interfaces and whatever port the OS assigns.
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Swarm::listen_on(&mut swarm, "/ip4/0.0.0.0/tcp/0".parse()?)?;
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// Kick it off.
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let mut listening = false;
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task::block_on(future::poll_fn(move |cx: &mut Context| {
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loop {
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match stdin.try_poll_next_unpin(cx)? {
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Poll::Ready(Some(line)) => handle_input_line(&mut swarm.kademlia, line),
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Poll::Ready(None) => panic!("Stdin closed"),
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Poll::Pending => break
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}
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}
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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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if let Some(a) = Swarm::listeners(&swarm).next() {
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println!("Listening on {:?}", a);
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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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fn handle_input_line(kademlia: &mut Kademlia<MemoryStore>, line: String) {
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let mut args = line.split(" ");
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match args.next() {
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Some("GET") => {
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let key = {
|
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match args.next() {
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Some(key) => Key::new(&key),
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None => {
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eprintln!("Expected key");
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return;
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}
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}
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};
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kademlia.get_record(&key, Quorum::One);
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}
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Some("PUT") => {
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let key = {
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match args.next() {
|
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Some(key) => Key::new(&key),
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None => {
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eprintln!("Expected key");
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return;
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||||
}
|
||||
}
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||||
};
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let value = {
|
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match args.next() {
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Some(value) => value.as_bytes().to_vec(),
|
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None => {
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eprintln!("Expected value");
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return;
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||||
}
|
||||
}
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||||
};
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let record = Record {
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key,
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value,
|
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publisher: None,
|
||||
expires: None,
|
||||
};
|
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kademlia.put_record(record, Quorum::One).expect("Failed to store record locally.");
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||||
}
|
||||
_ => {
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eprintln!("expected GET or PUT");
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||||
}
|
||||
}
|
||||
}
|
||||
|
||||
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