Instead of accepting a more general type and then asserting it to the
proper type, just take the proper type as the argument.
Also clean up some of the use of it where it checked old direct sending
code's return error (error is now always nil).
to support actual rename() operations rather than the link() call
effectively mandated by the sftp v3/draft-2 requirement that targets
not be overwritten.
The worker/packet mangement code needs to be in the packet manager so
the request-server can utilize it as well. This also improves the
encapsulation of the method as it relied on internal data that should be
better isolated inside the file/struct.
request-* naming is used for the request API. We're now using the packet
type and building code in it more generally, so we want to denote that
in the filename.
Cassondra Foesch
Nicola Murino
Tommie Gannert
John Eikenberry
Allan Feid
Iain Wade