class ftp_data_receiver :This engine receives data on a FTP data connection, and forwards them to a local receiver. The socket must already be open.
esys:Unixqueue.event_system -> mode:transmission_mode -> local_receiver:local_receiver -> descr:Unix.file_descr -> unit ->
It is ensured that
local_receiver is always closed after operation
(whether successful or not). The socket
descr remains open.
method local_receiver :