Struct libp2p_networking::network::behaviours::dht::DHTBehaviour

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pub struct DHTBehaviour<K: SignatureKey + 'static> {
    pub in_progress_get_closest_peers: HashMap<QueryId, Sender<()>>,
    in_progress_record_queries: HashMap<QueryId, KadGetQuery>,
    outstanding_dht_query_keys: HashSet<Vec<u8>>,
    in_progress_put_record_queries: HashMap<QueryId, KadPutQuery>,
    pub bootstrap_state: Bootstrap,
    pub peer_id: PeerId,
    pub replication_factor: NonZeroUsize,
    retry_tx: Option<UnboundedSender<ClientRequest>>,
    bootstrap_tx: Option<Sender<InputEvent>>,
    phantom: PhantomData<K>,
}
Expand description

Behaviour wrapping libp2p’s kademlia included:

  • publishing API
  • Request API
  • bootstrapping into the network
  • peer discovery

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§in_progress_get_closest_peers: HashMap<QueryId, Sender<()>>

in progress queries for nearby peers

§in_progress_record_queries: HashMap<QueryId, KadGetQuery>

List of in-progress get requests

§outstanding_dht_query_keys: HashSet<Vec<u8>>

The lookup keys for all outstanding DHT queries

§in_progress_put_record_queries: HashMap<QueryId, KadPutQuery>

List of in-progress put requests

§bootstrap_state: Bootstrap

State of bootstrapping

§peer_id: PeerId

the peer id (useful only for debugging right now)

§replication_factor: NonZeroUsize

replication factor

§retry_tx: Option<UnboundedSender<ClientRequest>>

Sender to retry requests.

§bootstrap_tx: Option<Sender<InputEvent>>

Sender to the bootstrap task

§phantom: PhantomData<K>

Phantom type for the key

Implementations§

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impl<K: SignatureKey + 'static> DHTBehaviour<K>

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pub fn set_retry(&mut self, tx: UnboundedSender<ClientRequest>)

Give the handler a way to retry requests.

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pub fn set_bootstrap_sender(&mut self, tx: Sender<InputEvent>)

Sets a sender to bootstrap task

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pub fn new(pid: PeerId, replication_factor: NonZeroUsize) -> Self

Create a new DHT behaviour

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pub fn print_routing_table( &mut self, kadem: &mut KademliaBehaviour<ValidatedStore<MemoryStore, K>>, )

print out the routing table to stderr

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pub fn replication_factor(&self) -> NonZeroUsize

Get the replication factor for queries

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pub fn put_record(&mut self, id: QueryId, query: KadPutQuery)

Publish a key/value to the kv store. Once replicated upon all nodes, the caller is notified over chan

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pub fn get_record( &mut self, key: Vec<u8>, chan: Sender<Vec<u8>>, factor: NonZeroUsize, backoff: ExponentialBackoff, retry_count: u8, kad: &mut KademliaBehaviour<ValidatedStore<MemoryStore, K>>, )

Retrieve a value for a key from the DHT.

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fn retry_get(&self, query: KadGetQuery)

Spawn a task which will retry the query after a backoff.

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fn retry_put(&self, query: KadPutQuery)

Spawn a task which will retry the query after a backoff.

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fn handle_get_query( &mut self, store: &mut ValidatedStore<MemoryStore, K>, record_results: GetRecordResult, id: QueryId, last: bool, )

update state based on recv-ed get query

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fn handle_put_query(&mut self, record_results: PutRecordResult, id: QueryId)

Update state based on put query

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fn finish_bootstrap(&mut self)

Send that the bootsrap suceeded

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pub fn dht_handle_event( &mut self, event: KademliaEvent, store: &mut ValidatedStore<MemoryStore, K>, ) -> Option<NetworkEvent>

handle a DHT event

Trait Implementations§

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impl<K: Debug + SignatureKey + 'static> Debug for DHTBehaviour<K>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<K> Freeze for DHTBehaviour<K>

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impl<K> !RefUnwindSafe for DHTBehaviour<K>

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impl<K> Send for DHTBehaviour<K>

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impl<K> Sync for DHTBehaviour<K>

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impl<K> Unpin for DHTBehaviour<K>
where K: Unpin,

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impl<K> !UnwindSafe for DHTBehaviour<K>

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