Struct libp2p_networking::network::node::NetworkNode
source · pub struct NetworkNode<K: SignatureKey + 'static> {
keypair: Keypair,
peer_id: PeerId,
swarm: Swarm<NetworkDef<K>>,
config: NetworkNodeConfig<K>,
listener_id: Option<ListenerId>,
request_response_state: RequestResponseState,
direct_message_state: DMBehaviour,
dht_handler: DHTBehaviour<K>,
resend_tx: Option<UnboundedSender<ClientRequest>>,
bootstrap_tx: Option<Sender<InputEvent>>,
pd: PhantomData<K>,
}
Expand description
Network definition
Fields§
§keypair: Keypair
The keypair for the node
peer_id: PeerId
peer id of network node
swarm: Swarm<NetworkDef<K>>
the swarm of networkbehaviours
config: NetworkNodeConfig<K>
the configuration parameters of the netework
listener_id: Option<ListenerId>
the listener id we are listening on, if it exists
request_response_state: RequestResponseState
Handler for requests and response behavior events.
direct_message_state: DMBehaviour
Handler for direct messages
dht_handler: DHTBehaviour<K>
Handler for DHT Events
resend_tx: Option<UnboundedSender<ClientRequest>>
Channel to resend requests, set to Some when we call spawn_listeners
bootstrap_tx: Option<Sender<InputEvent>>
Send to the bootstrap task to tell it to start a bootstrap
pd: PhantomData<K>
Phantom data to hold the key type
Implementations§
source§impl<K: SignatureKey + 'static> NetworkNode<K>
impl<K: SignatureKey + 'static> NetworkNode<K>
sourcepub fn num_connected(&self) -> usize
pub fn num_connected(&self) -> usize
Returns number of peers this node is connected to
sourcepub fn connected_pids(&self) -> HashSet<PeerId>
pub fn connected_pids(&self) -> HashSet<PeerId>
return hashset of PIDs this node is connected to
sourcepub async fn start_listen(
&mut self,
listen_addr: Multiaddr
) -> Result<Multiaddr, NetworkError>
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
sourcepub fn add_known_peers(&mut self, known_peers: &[(PeerId, Multiaddr)])
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
sourcepub async fn new(config: NetworkNodeConfig<K>) -> Result<Self, NetworkError>
pub async fn new(config: NetworkNodeConfig<K>) -> 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
sourcepub fn put_record(&mut self, query: KadPutQuery)
pub fn put_record(&mut self, query: KadPutQuery)
Publish a key/value to the kv store.
Once replicated upon all nodes, the caller is notified over
chan
. If there is an error, a super::error::DHTError
is
sent instead.
§Panics
If the default replication factor is None
sourceasync fn handle_client_requests(
&mut self,
msg: Result<ClientRequest, UnboundedRecvError>
) -> Result<bool, NetworkError>
async fn handle_client_requests( &mut self, msg: Result<ClientRequest, UnboundedRecvError> ) -> Result<bool, NetworkError>
event handler for client events currectly 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
sourceasync fn handle_swarm_events(
&mut self,
event: SwarmEvent<NetworkEventInternal>,
send_to_client: &UnboundedSender<NetworkEvent>
) -> Result<(), NetworkError>
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
sourcepub async fn spawn_listeners(
self
) -> Result<(UnboundedSender<ClientRequest>, UnboundedReceiver<NetworkEvent>), NetworkError>
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
Trait Implementations§
source§impl<K: SignatureKey + 'static> Debug for NetworkNode<K>
impl<K: SignatureKey + 'static> Debug for NetworkNode<K>
Auto Trait Implementations§
impl<K> !Freeze for NetworkNode<K>
impl<K> !RefUnwindSafe for NetworkNode<K>
impl<K> Send for NetworkNode<K>
impl<K> !Sync for NetworkNode<K>
impl<K> Unpin for NetworkNode<K>where
K: Unpin,
impl<K> !UnwindSafe for NetworkNode<K>
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