Actor: User Application

Goal: Query the status of a request recently sent.

Description: Query the status of a request recently sent to determine if has completed.

Preconditions:

1. A request was successfully created and transmission has begun.

None

Related Use Cases:

UC16.0 - Send Peer Request Async

Notes and Issues:

None

Event Flow:

1. The application requests a request message to be sent by the engine.
2. The engine begins to send the request.
3. The application queries the status of the request to determine progress.
4. The engine checks if the request transmission has completed.
5. The engine returns the result of the check to the application.

UC29.1 Request doesn't exist

1. The application requests a request to be sent by the engine.
2. The engine begins to send the request.
3. The application queries the status of the request to determine progress.
4. The engine checks if the request transmission has completed.
5. The engine determines that the request doesn't exist or is old and returns the error to the application.

Sequence Diagrams:

Revision History

Name	Date	Reason for Change	Version