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#ifndef _GPXE_OPEN_H
#define _GPXE_OPEN_H
/** @file
*
* Data transfer interface opening
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdarg.h>
#include <gpxe/tables.h>
#include <gpxe/socket.h>
struct xfer_interface;
struct uri;
/** Location types */
enum {
/** Location is a URI
*
* Parameter list for open() is:
*
* struct uri *uri;
*/
LOCATION_URI = 1,
/** Location is a URI string
*
* Parameter list for open() is:
*
* const char *uri_string;
*/
LOCATION_URI_STRING,
/** Location is a socket
*
* Parameter list for open() is:
*
* int semantics;
* struct sockaddr *peer;
* struct sockaddr *local;
*/
LOCATION_SOCKET,
};
/** A URI opener */
struct uri_opener {
/** URI protocol name
*
* This is the "scheme" portion of the URI, e.g. "http" or
* "file".
*/
const char *scheme;
/** Open URI
*
* @v xfer Data transfer interface
* @v uri URI
* @ret rc Return status code
*/
int ( * open ) ( struct xfer_interface *xfer, struct uri *uri );
};
/** URI opener table */
#define URI_OPENERS __table ( struct uri_opener, "uri_openers" )
/** Register a URI opener */
#define __uri_opener __table_entry ( URI_OPENERS, 01 )
/** A socket opener */
struct socket_opener {
/** Communication semantics (e.g. SOCK_STREAM) */
int semantics;
/** Address family (e.g. AF_INET) */
int family;
/** Open socket
*
* @v xfer Data transfer interface
* @v peer Peer socket address
* @v local Local socket address, or NULL
* @ret rc Return status code
*/
int ( * open ) ( struct xfer_interface *xfer, struct sockaddr *peer,
struct sockaddr *local );
};
/** Socket opener table */
#define SOCKET_OPENERS __table ( struct socket_opener, "socket_openers" )
/** Register a socket opener */
#define __socket_opener __table_entry ( SOCKET_OPENERS, 01 )
extern int xfer_open_uri ( struct xfer_interface *xfer, struct uri *uri );
extern int xfer_open_uri_string ( struct xfer_interface *xfer,
const char *uri_string );
extern int xfer_open_named_socket ( struct xfer_interface *xfer,
int semantics, struct sockaddr *peer,
const char *name, struct sockaddr *local );
extern int xfer_open_socket ( struct xfer_interface *xfer, int semantics,
struct sockaddr *peer, struct sockaddr *local );
extern int xfer_vopen ( struct xfer_interface *xfer, int type, va_list args );
extern int xfer_open ( struct xfer_interface *xfer, int type, ... );
extern int xfer_vreopen ( struct xfer_interface *xfer, int type,
va_list args );
#endif /* _GPXE_OPEN_H */
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