/**
* Open location
*
* @v intf Data transfer interface
* @v type Location type
* @v args Remaining arguments depend upon location type
* @ret rc Return status code
*/
int xfer_vopen ( struct interface *intf, int type, va_list args ) {
switch ( type ) {
case LOCATION_URI_STRING: {
const char *uri_string = va_arg ( args, const char * );
return xfer_open_uri_string ( intf, uri_string );
}
case LOCATION_URI: {
struct uri *uri = va_arg ( args, struct uri * );
return xfer_open_uri ( intf, uri );
}
case LOCATION_SOCKET: {
int semantics = va_arg ( args, int );
struct sockaddr *peer = va_arg ( args, struct sockaddr * );
struct sockaddr *local = va_arg ( args, struct sockaddr * );
return xfer_open_socket ( intf, semantics, peer, local );
}
default:
DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " attempted to "
"open unsupported location type %d\n",
INTF_DBG ( intf ), type );
return -ENOTSUP;
}
}
/**
* Open URI string
*
* @v intf Data transfer interface
* @v uri_string URI string (e.g. "http://ipxe.org/kernel")
* @ret rc Return status code
*
* The URI will be regarded as being relative to the current working
* URI (see churi()).
*/
int xfer_open_uri_string ( struct interface *intf,
const char *uri_string ) {
struct uri *uri;
int rc;
DBGC ( INTF_COL ( intf ), "INTF " INTF_FMT " opening URI %s\n",
INTF_DBG ( intf ), uri_string );
uri = parse_uri ( uri_string );
if ( ! uri )
return -ENOMEM;
rc = xfer_open_uri ( intf, uri );
uri_put ( uri );
return rc;
}
