IMFS: yet another trouble.
janovetz at uiuc.edu
Fri Dec 1 14:38:34 UTC 2000
Well, first of all, this is how I used TFTP for the first little
while. It's read-only, but it provides a similar interface.
Writing a simple FTP client and using that as the low-level
could also work. I don't know how much simpler it would be than
On Fri, Dec 01, 2000 at 09:14:40AM -0500, Rosimildo da Silva wrote:
> Hi all,
> Once we are talking about file systems, I am wondering if a simple
> low level interface to emulate a remote FS stored in a file exist.
> I know about NFS, but that is too complicated and large for embedded
> The idea is define a low level API that is equivalent to the one of a
> flash, i.e
> ( read, write, erase, capacity ).
> The idea is to have the "real" device emulated as a file in a remote
> with a hard driver or any other non-volatile device, and have the image
> there, and remote devices that need some persistency, would talk to this
> server using TCP/IP sockets.
> On top of this API, you would plug logical file systems such as IMFS.
> The api:
> struct device_descriptor
> int sock_handle;
> size_t capacity;
> int llfs_connect( const char *remote_host, device_descriptor *dd );
> int llfs_write( char *buffer, size_t size, size_t offset );
> int llfs_read( char *buffer, size_t size, size_t offset );
> int llfs_erase( char *buffer, size_t size, size_t offset );
> int llfs_close( device_descriptor *dd );
> On the host side, a utility to add, remove, view, and delete files
> into the binary image would need to be developed.
> Does such a beast exist ?
> Rosimildo da Silva rdasilva at connectel.com
> ConnectTel, Inc. Austin, TX -- USA
> Phone : 512-338-1111 Fax : 512-918-0449
> Company Page: http://www.connecttel.com
> Home Page: http://members.nbci.com/rosimildo/
More information about the users