Crate libp2p_request_response
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Generic request/response protocols.
General Usage
RequestResponse is a NetworkBehaviour that implements a generic
request/response protocol or protocol family, whereby each request is
sent over a new substream on a connection. RequestResponse is generic
over the actual messages being sent, which are defined in terms of a
RequestResponseCodec. Creating a request/response protocol thus amounts
to providing an implementation of this trait which can then be
given to RequestResponse::new. Further configuration options are
available via the RequestResponseConfig.
Requests are sent using RequestResponse::send_request and the
responses received as RequestResponseMessage::Response via
RequestResponseEvent::Message.
Responses are sent using RequestResponse::send_response upon
receiving a RequestResponseMessage::Request via
RequestResponseEvent::Message.
Protocol Families
A single RequestResponse instance can be used with an entire
protocol family that share the same request and response types.
For that purpose, RequestResponseCodec::Protocol is typically
instantiated with a sum type.
Limited Protocol Support
It is possible to only support inbound or outbound requests for
a particular protocol. This is achieved by instantiating RequestResponse
with protocols using ProtocolSupport::Inbound or
ProtocolSupport::Outbound. Any subset of protocols of a protocol
family can be configured in this way. Such protocols will not be
advertised during inbound respectively outbound protocol negotiation
on the substreams.
Re-exports
pub use codec::RequestResponseCodec;Modules
Structs
The ID of an inbound or outbound request.
A request/response protocol for some message codec.
The configuration for a RequestResponse protocol.
A channel for sending a response to an inbound request.
Enums
Possible failures occurring in the context of receiving an inbound request and sending a response.
Possible failures occurring in the context of sending an outbound request and receiving the response.
The level of support for a particular protocol.
The events emitted by a RequestResponse protocol.
An inbound request or response.
Traits
Types serving as protocol names.