Struct libp2p_networking::network::behaviours::dht::DHTBehaviour
source · 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
Fields§
§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§
source§impl<K: SignatureKey + 'static> DHTBehaviour<K>
impl<K: SignatureKey + 'static> DHTBehaviour<K>
sourcepub fn set_retry(&mut self, tx: UnboundedSender<ClientRequest>)
pub fn set_retry(&mut self, tx: UnboundedSender<ClientRequest>)
Give the handler a way to retry requests.
sourcepub fn set_bootstrap_sender(&mut self, tx: Sender<InputEvent>)
pub fn set_bootstrap_sender(&mut self, tx: Sender<InputEvent>)
Sets a sender to bootstrap task
sourcepub fn new(pid: PeerId, replication_factor: NonZeroUsize) -> Self
pub fn new(pid: PeerId, replication_factor: NonZeroUsize) -> Self
Create a new DHT behaviour
sourcepub fn print_routing_table(
&mut self,
kadem: &mut KademliaBehaviour<ValidatedStore<MemoryStore, K>>,
)
pub fn print_routing_table( &mut self, kadem: &mut KademliaBehaviour<ValidatedStore<MemoryStore, K>>, )
print out the routing table to stderr
sourcepub fn replication_factor(&self) -> NonZeroUsize
pub fn replication_factor(&self) -> NonZeroUsize
Get the replication factor for queries
sourcepub fn put_record(&mut self, id: QueryId, query: KadPutQuery)
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
sourcepub 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>>,
)
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.
sourcefn retry_get(&self, query: KadGetQuery)
fn retry_get(&self, query: KadGetQuery)
Spawn a task which will retry the query after a backoff.
sourcefn retry_put(&self, query: KadPutQuery)
fn retry_put(&self, query: KadPutQuery)
Spawn a task which will retry the query after a backoff.
sourcefn handle_get_query(
&mut self,
store: &mut ValidatedStore<MemoryStore, K>,
record_results: GetRecordResult,
id: QueryId,
last: bool,
)
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
sourcefn handle_put_query(&mut self, record_results: PutRecordResult, id: QueryId)
fn handle_put_query(&mut self, record_results: PutRecordResult, id: QueryId)
Update state based on put query
sourcefn finish_bootstrap(&mut self)
fn finish_bootstrap(&mut self)
Send that the bootsrap suceeded
sourcepub fn dht_handle_event(
&mut self,
event: KademliaEvent,
store: &mut ValidatedStore<MemoryStore, K>,
) -> Option<NetworkEvent>
pub fn dht_handle_event( &mut self, event: KademliaEvent, store: &mut ValidatedStore<MemoryStore, K>, ) -> Option<NetworkEvent>
handle a DHT event
Trait Implementations§
Auto Trait Implementations§
impl<K> Freeze for DHTBehaviour<K>
impl<K> !RefUnwindSafe for DHTBehaviour<K>
impl<K> Send for DHTBehaviour<K>
impl<K> Sync for DHTBehaviour<K>
impl<K> Unpin for DHTBehaviour<K>where
K: Unpin,
impl<K> !UnwindSafe for DHTBehaviour<K>
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