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#ifndef _GPXE_OPEN_H
#define _GPXE_OPEN_H
/** @file
*
* Data transfer interface opening
*
*/
#include <gpxe/tables.h>
struct xfer_interface;
struct uri;
struct sockaddr;
/** Location types */
enum {
/** Location is a URI string
*
* Parameter list for open() is:
*
* const char *uri_string;
*/
LOCATION_URI = 1,
/** Location is a socket
*
* Parameter list for open() is:
*
*
*/
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
*
* This method takes ownership of the URI structure, and is
* responsible for eventually calling free_uri().
*/
int ( * open ) ( struct xfer_interface *xfer, struct uri *uri );
};
/** Register a URI opener */
#define __uri_opener __table ( struct uri_opener, uri_openers, 01 )
/** A socket opener */
struct socket_opener {
/** Communication domain (e.g. PF_INET) */
int domain;
/** Communication semantics (e.g. SOCK_STREAM) */
int type;
/** Open socket
*
* @v xfer Data-transfer interface
* @v sa Socket address
* @ret rc Return status code
*/
int ( * open ) ( struct xfer_interface *xfer, struct sockaddr *sa );
};
/** Register a socket opener */
#define __socket_opener __table ( struct socket_opener, socket_openers, 01 )
extern int open_uri ( struct xfer_interface *xfer, const char *uri_string );
extern int open_socket ( struct xfer_interface *xfer,
int domain, int type, struct sockaddr *sa );
extern int vopen ( struct xfer_interface *xfer, int type, va_list args );
extern int open ( struct xfer_interface *xfer, int type, ... );
#endif /* _GPXE_OPEN_H */
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