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/*
* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <gpxe/xfer.h>
#include <gpxe/filter.h>
/** @file
*
* Data transfer filters
*
*/
/*
* Pass-through methods to be used by filters which don't want to
* intercept all events.
*
*/
void filter_close ( struct xfer_interface *xfer, int rc ) {
struct xfer_interface *other = filter_other_half ( xfer );
xfer_close ( other, rc );
}
int filter_vredirect ( struct xfer_interface *xfer, int type,
va_list args ) {
struct xfer_interface *other = filter_other_half ( xfer );
return xfer_vredirect ( other, type, args );
}
size_t filter_window ( struct xfer_interface *xfer ) {
struct xfer_interface *other = filter_other_half ( xfer );
return xfer_window ( other );
}
struct io_buffer * filter_alloc_iob ( struct xfer_interface *xfer,
size_t len ) {
struct xfer_interface *other = filter_other_half ( xfer );
return xfer_alloc_iob ( other, len );
}
int filter_deliver_iob ( struct xfer_interface *xfer, struct io_buffer *iobuf,
struct xfer_metadata *meta ) {
struct xfer_interface *other = filter_other_half ( xfer );
return xfer_deliver_iob_meta ( other, iobuf, meta );
}
int filter_deliver_raw ( struct xfer_interface *xfer, const void *data,
size_t len ) {
struct xfer_interface *other = filter_other_half ( xfer );
return xfer_deliver_raw ( other, data, len );
}
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