genode/repos/libports/src/server/fuse_fs/node.h
2017-08-17 10:59:43 +02:00

63 lines
1.2 KiB
C++

/*
* \brief File-system node
* \author Norman Feske
* \author Christian Helmuth
* \author Josef Soentgen
* \date 2013-11-11
*/
/*
* Copyright (C) 2013-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _NODE_H_
#define _NODE_H_
/* Genode includes */
#include <file_system/node.h>
#include <base/lock.h>
#include <base/signal.h>
#include <os/path.h>
namespace Fuse_fs {
using namespace Genode;
using namespace File_system;
typedef Genode::Path<MAX_PATH_LEN> Absolute_path;
class Node;
}
class Fuse_fs::Node : public Node_base
{
protected:
unsigned long _inode;
Absolute_path _name;
public:
Node(char const *name) : _name(name) { }
char const *name() const { return _name.base(); }
virtual size_t read(char *dst, size_t len, seek_off_t) = 0;
virtual size_t write(char const *src, size_t len, seek_off_t) = 0;
virtual Status status() = 0;
/*
* File functionality
*/
virtual void truncate(file_size_t size)
{
Genode::error(__PRETTY_FUNCTION__, " called on a non-file node");
}
};
#endif /* _NODE_H_ */