Struct libp2p_networking::network::NetworkNode

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pub struct NetworkNode<T: NodeType> {
    peer_id: PeerId,
    swarm: Swarm<NetworkDef<T::SignatureKey>>,
    listener_id: Option<ListenerId>,
    direct_message_state: DMBehaviour,
    dht_handler: DHTBehaviour<T::SignatureKey>,
    resend_tx: Option<UnboundedSender<ClientRequest>>,
}
Expand description

Network definition

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§peer_id: PeerId

peer id of network node

§swarm: Swarm<NetworkDef<T::SignatureKey>>

the swarm of networkbehaviours

§listener_id: Option<ListenerId>

the listener id we are listening on, if it exists

§direct_message_state: DMBehaviour

Handler for direct messages

§dht_handler: DHTBehaviour<T::SignatureKey>

Handler for DHT Events

§resend_tx: Option<UnboundedSender<ClientRequest>>

Channel to resend requests, set to Some when we call spawn_listeners

Implementations§

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impl<T: NodeType> NetworkNode<T>

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pub fn num_connected(&self) -> usize

Returns number of peers this node is connected to

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pub fn connected_pids(&self) -> HashSet<PeerId>

return hashset of PIDs this node is connected to

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pub async fn start_listen( &mut self, listen_addr: Multiaddr, ) -> Result<Multiaddr, NetworkError>

starts the swarm listening on listen_addr and optionally dials into peer known_peer returns the address the swarm is listening upon

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pub fn add_known_peers(&mut self, known_peers: &[(PeerId, Multiaddr)])

initialize the DHT with known peers add the peers to kademlia and then the spawn_listeners function will start connecting to peers

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pub async fn new(config: NetworkNodeConfig<T>) -> Result<Self, NetworkError>

Creates a new Network with the given settings.

Currently:

  • Generates a random key pair and associated PeerId
  • Launches a hopefully production ready transport: QUIC v1 (RFC 9000) + DNS
  • Generates a connection to the “broadcast” topic
  • Creates a swarm to manage peers and events
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pub fn put_record(&mut self, query: KadPutQuery)

Publish a key/value to the record store.

§Panics

If the default replication factor is None

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async fn handle_client_requests( &mut self, msg: Option<ClientRequest>, ) -> Result<bool, NetworkError>

event handler for client events currently supported actions include

  • shutting down the swarm
  • gossipping a message to known peers on the global topic
  • returning the id of the current peer
  • subscribing to a topic
  • unsubscribing from a toipc
  • direct messaging a peer
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async fn handle_swarm_events( &mut self, event: SwarmEvent<NetworkEventInternal>, send_to_client: &UnboundedSender<NetworkEvent>, ) -> Result<(), NetworkError>

event handler for events emitted from the swarm

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pub async fn spawn_listeners( self, ) -> Result<(UnboundedSender<ClientRequest>, UnboundedReceiver<NetworkEvent>), NetworkError>

Spawn a task to listen for requests on the returned channel as well as any events produced by libp2p

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pub fn peer_id(&self) -> PeerId

Get a reference to the network node’s peer id.

Trait Implementations§

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impl<T: NodeType> Debug for NetworkNode<T>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> !Freeze for NetworkNode<T>

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impl<T> !RefUnwindSafe for NetworkNode<T>

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impl<T> Send for NetworkNode<T>

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impl<T> !Sync for NetworkNode<T>

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impl<T> Unpin for NetworkNode<T>
where <T as NodeType>::SignatureKey: Unpin,

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impl<T> !UnwindSafe for NetworkNode<T>

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