Parameters

session

IN: The session for the host and port to talk to.

data_writer

IN: Function callback to store the retrieved data locally.

cookie

IN: Opaque data delivered to the data_writer callback to identify this data cookie.

oid

IN: An identifier of the data record to retrieve.

firstbyte

IN: First byte of data range to retrieve.

lastbyte

IN: Last byte of data range to retrieve, or -1 for the end of the record.