- /* call to create a named pipe connection.
- * returns: state information representing the connection.
- * is stored in np_state, above.
- */
- void * (*namedpipe_create)(const char *pipe_name,
- connection_struct *conn, uint16 vuid);
-
- /* call to perform a write / read namedpipe transaction.
- * TransactNamedPipe is weird: it returns whether there
- * is more data outstanding to be read, and the
- * caller is expected to take note and follow up with
- * read requests.
- */
- ssize_t (*namedpipe_transact)(void *np_state,
- char *data, int len,
- char *rdata, int rlen,
- bool *pipe_outstanding);
-
- /* call to perform a write namedpipe operation
- */
- ssize_t (*namedpipe_write)(void * np_state,
- char *data, size_t n);
-
- /* call to perform a read namedpipe operation.
- *
- * NOTE: the only reason that the pipe_outstanding
- * argument is here is because samba does not use
- * the namedpipe_transact function yet: instead,
- * it performs the same as what namedpipe_transact
- * does - a write, followed by a read.
- *
- * when samba is modified to use namedpipe_transact,
- * the pipe_outstanding argument may be removed.
- */
- ssize_t (*namedpipe_read)(void * np_state,
- char *data, size_t max_len,
- bool *pipe_outstanding);
-
- /* call to close a namedpipe.
- * function is expected to perform all cleanups
- * necessary, free all memory etc.
- *
- * returns True if cleanup was successful (not that
- * we particularly care).
- */
- bool (*namedpipe_close)(void * np_state);
-
-} smb_np_struct;