1use anyhow::Result;
2use iroh::{Endpoint, SecretKey};
3use iroh_gossip::net::Gossip;
4
5use distributed_topic_tracker::{AutoDiscoveryGossip, RecordPublisher, TopicId};
7
8#[tokio::main]
9async fn main() -> Result<()> {
10 let secret_key = SecretKey::generate(&mut rand::rng());
12 let signing_key = mainline::SigningKey::from_bytes(&secret_key.to_bytes());
13
14 let endpoint = Endpoint::builder()
16 .secret_key(secret_key.clone())
17 .bind()
18 .await?;
19
20 let gossip = Gossip::builder().spawn(endpoint.clone());
22
23 let _router = iroh::protocol::Router::builder(endpoint.clone())
25 .accept(iroh_gossip::ALPN, gossip.clone())
26 .spawn();
27
28 let topic_id = TopicId::new("my-iroh-gossip-topic".to_string());
29 let initial_secret = b"my-initial-secret".to_vec();
30
31 let record_publisher = RecordPublisher::new(
32 topic_id.clone(),
33 signing_key.verifying_key(),
34 signing_key.clone(),
35 None,
36 initial_secret,
37 );
38 let (gossip_sender, gossip_receiver) = gossip
39 .subscribe_and_join_with_auto_discovery(record_publisher)
40 .await?
41 .split()
42 .await?;
43
44 tokio::spawn(async move {
45 while let Some(Ok(event)) = gossip_receiver.next().await {
46 println!("event: {event:?}");
47 }
48 });
49
50 tokio::time::sleep(std::time::Duration::from_secs(3)).await;
51 gossip_sender
52 .broadcast(format!("hi from {}", endpoint.id()).into())
53 .await?;
54
55 println!("[joined topic]");
56
57 tokio::time::sleep(std::time::Duration::from_secs(10)).await;
58
59 println!("[finished]");
60
61 Ok(())
64}