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accept(incomingMessageHandler:cancellationHandler:)

Accepts an incoming session request from a client using a closure to handle received messages, and returns the inactive session.

Declaration

@preconcurrency func accept(incomingMessageHandler: @escaping  @Sendable (XPCReceivedMessage) -> (any Encodable)?, cancellationHandler: (@Sendable (XPCRichError) -> Void)? = nil) -> (XPCListener.IncomingSessionRequest.Decision, XPCSession)

Parameters

  • incomingMessageHandler:

    A closure that receives incoming messages from a client.

  • cancellationHandler:

    An optional closure that the system invokes when it cancels the session.

Return Value

A tuple that indicates whether the listener accepts or rejects the incoming session, and includes the inactive session.

Discussion

The difference between this method and accept(incomingMessageHandler:cancellationHandler:) is to allow the listener to configure the session, if needed. If you don’t need to perform any session configuration, use accept(incomingMessageHandler:cancellationHandler:) instead.

See Also

Responding to client sessions requests