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Add register example that doesnt use the Identify protocol
The external address is specified manually.
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protocols/rendezvous/examples/register_with_identify.rs
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| // Copyright 2021 COMIT Network. | ||
| // | ||
| // 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. | ||
|
|
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| use futures::StreamExt; | ||
| use libp2p::core::identity; | ||
| use libp2p::core::PeerId; | ||
| use libp2p::identify::{Identify, IdentifyConfig, IdentifyEvent}; | ||
| use libp2p::ping::{Ping, PingConfig, PingEvent, PingSuccess}; | ||
| use libp2p::rendezvous::Rendezvous; | ||
| use libp2p::swarm::Swarm; | ||
| use libp2p::swarm::SwarmEvent; | ||
| use libp2p::{development_transport, rendezvous}; | ||
| use libp2p::{Multiaddr, NetworkBehaviour}; | ||
| use libp2p_rendezvous::Namespace; | ||
| use std::time::Duration; | ||
|
|
||
| #[async_std::main] | ||
| async fn main() { | ||
| env_logger::init(); | ||
|
|
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| let rendezvous_point_address = "/ip4/127.0.0.1/tcp/62649".parse::<Multiaddr>().unwrap(); | ||
| let rendezvous_point = "12D3KooWDpJ7As7BWAwRMfu1VU2WCqNjvq387JEYKDBj4kx6nXTN" | ||
| .parse() | ||
| .unwrap(); | ||
|
|
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| let identity = identity::Keypair::generate_ed25519(); | ||
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| let mut swarm = Swarm::new( | ||
| development_transport(identity.clone()).await.unwrap(), | ||
| MyBehaviour { | ||
| identify: Identify::new(IdentifyConfig::new( | ||
| "rendezvous-example/1.0.0".to_string(), | ||
| identity.public(), | ||
| )), | ||
| rendezvous: Rendezvous::new(identity.clone(), rendezvous::Config::default()), | ||
| ping: Ping::new(PingConfig::new().with_interval(Duration::from_secs(1))), | ||
| }, | ||
| PeerId::from(identity.public()), | ||
| ); | ||
|
|
||
| log::info!("Local peer id: {}", swarm.local_peer_id()); | ||
|
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| let _ = swarm.listen_on("/ip4/0.0.0.0/tcp/0".parse().unwrap()); | ||
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| swarm.dial_addr(rendezvous_point_address).unwrap(); | ||
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| while let Some(event) = swarm.next().await { | ||
| match event { | ||
| SwarmEvent::NewListenAddr(addr) => { | ||
| log::info!("Listening on {}", addr); | ||
| } | ||
| SwarmEvent::ConnectionClosed { | ||
| peer_id, | ||
| cause: Some(error), | ||
| .. | ||
| } if peer_id == rendezvous_point => { | ||
| log::error!("Lost connection to rendezvous point {}", error); | ||
| } | ||
| // once `/identify` did its job, we know our external address and can register | ||
| SwarmEvent::Behaviour(MyEvent::Identify(IdentifyEvent::Received { .. })) => { | ||
| swarm.behaviour_mut().rendezvous.register( | ||
| Namespace::from_static("rendezvous"), | ||
| rendezvous_point, | ||
| None, | ||
| ); | ||
| } | ||
| SwarmEvent::Behaviour(MyEvent::Rendezvous(rendezvous::Event::Registered { | ||
| namespace, | ||
| ttl, | ||
| rendezvous_node, | ||
| })) => { | ||
| log::info!( | ||
| "Registered for namespace '{}' at rendezvous point {} for the next {} seconds", | ||
| namespace, | ||
| rendezvous_node, | ||
| ttl | ||
| ); | ||
| } | ||
| SwarmEvent::Behaviour(MyEvent::Rendezvous(rendezvous::Event::RegisterFailed( | ||
| error, | ||
| ))) => { | ||
| log::error!("Failed to register {}", error); | ||
| return; | ||
| } | ||
| SwarmEvent::Behaviour(MyEvent::Ping(PingEvent { | ||
| peer, | ||
| result: Ok(PingSuccess::Ping { rtt }), | ||
| })) if peer != rendezvous_point => { | ||
| log::info!("Ping to {} is {}ms", peer, rtt.as_millis()) | ||
| } | ||
| other => { | ||
| log::debug!("Unhandled {:?}", other); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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||
| #[derive(Debug)] | ||
| enum MyEvent { | ||
| Rendezvous(rendezvous::Event), | ||
| Identify(IdentifyEvent), | ||
| Ping(PingEvent), | ||
| } | ||
|
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||
| impl From<rendezvous::Event> for MyEvent { | ||
| fn from(event: rendezvous::Event) -> Self { | ||
| MyEvent::Rendezvous(event) | ||
| } | ||
| } | ||
|
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| impl From<IdentifyEvent> for MyEvent { | ||
| fn from(event: IdentifyEvent) -> Self { | ||
| MyEvent::Identify(event) | ||
| } | ||
| } | ||
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| impl From<PingEvent> for MyEvent { | ||
| fn from(event: PingEvent) -> Self { | ||
| MyEvent::Ping(event) | ||
| } | ||
| } | ||
|
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| #[derive(NetworkBehaviour)] | ||
| #[behaviour(event_process = false)] | ||
| #[behaviour(out_event = "MyEvent")] | ||
| struct MyBehaviour { | ||
| identify: Identify, | ||
| rendezvous: Rendezvous, | ||
| ping: Ping, | ||
| } |
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