Struct Topic

Source

pub struct Topic<R: SecretRotation + Default + Clone + Send + 'static> { /* private fields */ }

Implementations§

Source §

impl<R: SecretRotation + Default + Clone + Send + 'static> Topic<R>

Source

pub async fn new( topic_id: TopicId, endpoint: &Endpoint, node_signing_key: &SigningKey, gossip: Gossip, initial_secret: &Vec<u8>, secret_rotation_function: Option<R>, ) -> Result<Self>

Source

pub fn split(&self) -> (GossipSender, GossipReceiver)

Examples found in repository ?

examples/secret_rotation.rs (line 67)

39async fn main() -> Result<()> {
40    // Generate a new random secret key
41    let secret_key = SecretKey::generate(rand::rngs::OsRng);
42
43    // Set up endpoint with discovery enabled
44    let endpoint = Endpoint::builder()
45        .secret_key(secret_key)
46        .discovery_n0()
47        .bind()
48        .await?;
49
50    // Initialize gossip with auto-discovery
51    let gossip = Gossip::builder()
52        .spawn_with_auto_discovery::<MySecretRotation>(endpoint.clone(), None)
53        .await?;
54
55    // Set up protocol router
56    let _router = iroh::protocol::Router::builder(endpoint.clone())
57        .accept(iroh_gossip::ALPN, gossip.gossip.clone())
58        .spawn();
59
60    let topic_id = TopicId::new("my-iroh-gossip-topic".to_string());
61    let initial_secret = b"my-initial-secret".to_vec();
62
63    // Split into sink (sending) and stream (receiving)
64    let (sink, mut stream) = gossip
65        .subscribe_and_join_with_auto_discovery(topic_id, &initial_secret)
66        .await?
67        .split();
68
69    println!("Joined topic");
70
71    // Spawn listener for incoming messages
72    tokio::spawn(async move {
73        while let Ok(event) = stream.recv().await {
74            if let Event::Received(msg) = event {
75                println!(
76                    "\nMessage from {}: {}",
77                    &msg.delivered_from.to_string()[0..8],
78                    String::from_utf8(msg.content.to_vec()).unwrap()
79                );
80            } else if let Event::NeighborUp(peer) = event {
81                println!("\nJoined by {}", &peer.to_string()[0..8]);
82            }
83        }
84    });
85
86    // Main input loop for sending messages
87    let mut buffer = String::new();
88    let stdin = std::io::stdin();
89    loop {
90        print!("\n> ");
91        stdin.read_line(&mut buffer).unwrap();
92        sink.broadcast(buffer.clone().replace("\n", "").into())
93            .await
94            .unwrap();
95        print!(" - (sent)\n");
96        buffer.clear();
97    }
98}

More examples

Hide additional examples

examples/chat.rs (line 39)

11async fn main() -> Result<()> {
12    // Generate a new random secret key
13    let secret_key = SecretKey::generate(rand::rngs::OsRng);
14
15    // Set up endpoint with discovery enabled
16    let endpoint = Endpoint::builder()
17        .secret_key(secret_key)
18        .discovery_n0()
19        .bind()
20        .await?;
21
22    // Initialize gossip with auto-discovery
23    let gossip = Gossip::builder()
24        .spawn_with_auto_discovery::<DefaultSecretRotation>(endpoint.clone(), None)
25        .await?;
26
27    // Set up protocol router
28    let _router = iroh::protocol::Router::builder(endpoint.clone())
29        .accept(iroh_gossip::ALPN, gossip.gossip.clone())
30        .spawn();
31
32    let topic_id = TopicId::new("my-iroh-gossip-topic".to_string());
33    let initial_secret = b"my-initial-secret".to_vec();
34
35    // Split into sink (sending) and stream (receiving)
36    let (sink, mut stream) = gossip
37        .subscribe_and_join_with_auto_discovery(topic_id, &initial_secret)
38        .await?
39        .split();
40
41    println!("Joined topic");
42
43    // Spawn listener for incoming messages
44    tokio::spawn(async move {
45        while let Ok(event) = stream.recv().await {
46            if let Event::Received(msg) = event {
47                println!(
48                    "\nMessage from {}: {}",
49                    &msg.delivered_from.to_string()[0..8],
50                    String::from_utf8(msg.content.to_vec()).unwrap()
51                );
52            } else if let Event::NeighborUp(peer) = event {
53                println!("\nJoined by {}", &peer.to_string()[0..8]);
54            }
55        }
56    });
57
58    // Main input loop for sending messages
59    let mut buffer = String::new();
60    let stdin = std::io::stdin();
61    loop {
62        print!("\n> ");
63        stdin.read_line(&mut buffer).unwrap();
64        sink.broadcast(buffer.clone().replace("\n", "").into())
65            .await
66            .unwrap();
67        print!(" - (sent)\n");
68        buffer.clear();
69    }
70}