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/// The events produced by the `Messaging` behaviour.
///
/// See [`NetworkBehaviour::poll`].
#[derive(Debug)]
pub enum Event {
/// Result of an ask request to a remote actor.
AskResult {
/// The peer that handled the request.
peer: PeerId,
/// The connection used, if any.
connection_id: Option<ConnectionId>,
/// The request ID.
request_id: RequestId,
/// The result of the ask operation.
result: AskResult,
},
/// Result of a tell message to a remote actor.
TellResult {
/// The peer that handled the message.
peer: PeerId,
/// The connection used, if any.
connection_id: Option<ConnectionId>,
/// The request ID.
request_id: RequestId,
/// The result of the tell operation.
result: TellResult,
},
/// Result of a link operation between actors.
LinkResult {
/// The peer that handled the link.
peer: PeerId,
/// The connection used, if any.
connection_id: Option<ConnectionId>,
/// The request ID.
request_id: RequestId,
/// The result of the link operation.
result: LinkResult,
},
/// Result of an unlink operation between actors.
UnlinkResult {
/// The peer that handled the unlink.
peer: PeerId,
/// The connection used, if any.
connection_id: Option<ConnectionId>,
/// The request ID.
request_id: RequestId,
/// The result of the unlink operation.
result: UnlinkResult,
},
/// Result of signaling that a linked actor died.
SignalLinkDiedResult {
/// The peer that handled the signal.
peer: PeerId,
/// The connection used, if any.
connection_id: Option<ConnectionId>,
/// The request ID.
request_id: RequestId,
/// The result of the signal operation.
result: SignalLinkDiedResult,
},
/// An outbound request failed.
OutboundFailure {
/// The peer to whom the request was sent.
peer: PeerId,
/// The connection used.
connection_id: ConnectionId,
/// The (local) ID of the failed request.
request_id: request_response::OutboundRequestId,
/// The error that occurred.
error: RemoteSendError,
},
/// An inbound request failed.
InboundFailure {
/// The peer from whom the request was received.
peer: PeerId,
/// The connection used.
connection_id: ConnectionId,
/// The ID of the failed inbound request.
request_id: request_response::InboundRequestId,
/// The error that occurred.
error: request_response::InboundFailure,
},
/// A response to an inbound request has been sent.
///
/// When this event is received, the response has been flushed on
/// the underlying transport connection.
ResponseSent {
/// The peer to whom the response was sent.
peer: PeerId,
/// The connection used.
connection_id: ConnectionId,
/// The ID of the inbound request whose response was sent.
request_id: request_response::InboundRequestId,
},
}