Struct mz_service::grpc::GrpcClient

source ·
pub struct GrpcClient<G>where
    G: ProtoServiceTypes,
{ tx: UnboundedSender<G::PC>, rx: Streaming<G::PR>, }
Expand description

A client to a remote dataflow server using gRPC and protobuf based communication.

The client opens a connection using the proto client stubs that are generated by tonic from a service definition. When the client is connected, it will call automatically the only RPC defined in the service description, encapsulated by the BidiProtoClient trait. This trait bound is not on the Client type parameter here, but it IS on the impl blocks. Bidirectional protobuf RPC sets up two streams that persist after the RPC has returned: A Request (Command) stream (for us, backed by a unbounded mpsc queue) going from this instance to the server and a response stream coming back (represented directly as a Streaming<Response> instance). The recv and send functions interact with the two mpsc channels or the streaming instance respectively.

Fields§

§tx: UnboundedSender<G::PC>

The sender for commands.

§rx: Streaming<G::PR>

The receiver for responses.

Implementations§

Connects to the server at the given address, announcing the specified client version.

Like GrpcClient::connect, but for multiple partitioned servers.

Trait Implementations§

Formats the value using the given formatter. Read more
Sends a command to the dataflow server. Read more
Receives the next response from the dataflow server. Read more
Returns an adapter that treats the client as a stream. Read more

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Wrap the input message T in a tonic::Request
The alignment of pointer.
The type for initializers.
Initializes a with the given initializer. Read more
Dereferences the given pointer. Read more
Mutably dereferences the given pointer. Read more
Drops the object pointed to by the given pointer. Read more
Should always be Self
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.
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