pub struct PushCdnNetwork<TYPES: NodeType> {
    client: Client<ClientDef<TYPES>>,
    metrics: Arc<CdnMetricsValue>,
    is_paused: Arc<AtomicBool>,
}
Expand description

A communication channel to the Push CDN, which is a collection of brokers and a marshal that helps organize them all. Is generic over both the type of key and the network protocol.

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§client: Client<ClientDef<TYPES>>

The underlying client

§metrics: Arc<CdnMetricsValue>

The CDN-specific metrics

§is_paused: Arc<AtomicBool>

Whether or not the underlying network is supposed to be paused

Implementations§

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impl<TYPES: NodeType> PushCdnNetwork<TYPES>

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pub fn new( marshal_endpoint: String, topics: Vec<Topic>, keypair: KeyPair<WrappedSignatureKey<TYPES::SignatureKey>>, metrics: CdnMetricsValue ) -> Result<Self>

Create a new PushCdnNetwork (really a client) from a marshal endpoint, a list of initial topics we are interested in, and our wrapped keypair that we use to authenticate with the marshal.

§Errors

If we fail to build the config

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async fn broadcast_message( &self, message: Vec<u8>, topic: Topic ) -> Result<(), NetworkError>

Broadcast a message to members of the particular topic. Does not retry.

§Errors
  • If we fail to serialize the message
  • If we fail to send the broadcast message.

Trait Implementations§

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impl<TYPES: Clone + NodeType> Clone for PushCdnNetwork<TYPES>

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fn clone(&self) -> PushCdnNetwork<TYPES>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<TYPES: NodeType> ConnectedNetwork<<TYPES as NodeType>::SignatureKey> for PushCdnNetwork<TYPES>

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fn pause(&self)

Pause sending and receiving on the PushCDN network.

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fn resume(&self)

Resume sending and receiving on the PushCDN network.

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fn wait_for_ready<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Wait for the client to initialize the connection

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fn shut_down<'a, 'b>(&'a self) -> BoxSyncFuture<'b, ()>
where Self: 'b, 'a: 'b,

TODO: shut down the networks. Unneeded for testing.

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fn broadcast_message<'life0, 'async_trait>( &'life0 self, message: Vec<u8>, _recipients: BTreeSet<TYPES::SignatureKey>, _broadcast_delay: BroadcastDelay ) -> Pin<Box<dyn Future<Output = Result<(), NetworkError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Broadcast a message to all members of the quorum.

§Errors
  • If we fail to serialize the message
  • If we fail to send the broadcast message.
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fn da_broadcast_message<'life0, 'async_trait>( &'life0 self, message: Vec<u8>, _recipients: BTreeSet<TYPES::SignatureKey>, _broadcast_delay: BroadcastDelay ) -> Pin<Box<dyn Future<Output = Result<(), NetworkError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Broadcast a message to all members of the DA committee.

§Errors
  • If we fail to serialize the message
  • If we fail to send the broadcast message.
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fn direct_message<'life0, 'async_trait>( &'life0 self, message: Vec<u8>, recipient: TYPES::SignatureKey ) -> Pin<Box<dyn Future<Output = Result<(), NetworkError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Send a direct message to a node with a particular key. Does not retry.

  • If we fail to serialize the message
  • If we fail to send the direct message
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fn recv_msgs<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Result<Vec<Vec<u8>>, NetworkError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Receive a message. Is agnostic over transmit_type, which has an issue to be removed anyway.

§Errors
  • If we fail to receive messages. Will trigger a retry automatically.
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fn queue_node_lookup( &self, _view_number: ViewNumber, _pk: TYPES::SignatureKey ) -> Result<(), TrySendError<Option<(ViewNumber, TYPES::SignatureKey)>>>

Do nothing here, as we don’t need to look up nodes.

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fn vid_broadcast_message<'life0, 'async_trait>( &'life0 self, messages: HashMap<K, Vec<u8>> ) -> Pin<Box<dyn Future<Output = Result<(), NetworkError>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

send messages with vid shares to its recipients blocking
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fn request_data<'life0, 'life1, 'async_trait, TYPES>( &'life0 self, _request: Vec<u8>, _recipient: &'life1 K ) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, NetworkError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, TYPES: 'async_trait + NodeType, Self: 'async_trait,

Ask request the network for some data. Returns the request ID for that data, The ID returned can be used for cancelling the request
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fn spawn_request_receiver_task<'life0, 'async_trait>( &'life0 self ) -> Pin<Box<dyn Future<Output = Option<Receiver<(Vec<u8>, ResponseChannel<Vec<u8>>)>>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Spawn a request task in the given network layer. If it supports Request and responses it will return the receiving end of a channel. Requests the network receives will be sent over this channel along with a return channel to send the response back to. Read more
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fn update_view<'a, 'life0, 'async_trait, TYPES>( &'a self, _view: u64, _membership: &'life0 <TYPES as NodeType>::Membership ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>
where 'a: 'async_trait, 'life0: 'async_trait, TYPES: NodeType<SignatureKey = K> + 'a + 'async_trait, Self: 'async_trait,

handles view update
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fn is_primary_down(&self) -> bool

Is primary network down? Makes sense only for combined network
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impl<TYPES: NodeType> TestableNetworkingImplementation<TYPES> for PushCdnNetwork<TYPES>

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fn generator( _expected_node_count: usize, _num_bootstrap: usize, _network_id: usize, da_committee_size: usize, _is_da: bool, _reliability_config: Option<Box<dyn NetworkReliability>>, _secondary_network_delay: Duration ) -> AsyncGenerator<Arc<Self>>

Generate n Push CDN clients, a marshal, and two brokers (that run locally). Uses a SQLite database instead of Redis.

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fn in_flight_message_count(&self) -> Option<usize>

The PushCDN does not support in-flight message counts

Auto Trait Implementations§

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impl<TYPES> Freeze for PushCdnNetwork<TYPES>

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impl<TYPES> !RefUnwindSafe for PushCdnNetwork<TYPES>

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impl<TYPES> Send for PushCdnNetwork<TYPES>

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impl<TYPES> Sync for PushCdnNetwork<TYPES>

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impl<TYPES> Unpin for PushCdnNetwork<TYPES>

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impl<TYPES> !UnwindSafe for PushCdnNetwork<TYPES>

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more