xref: /haiku/src/add-ons/kernel/file_systems/nfs4/IdMap.h (revision 25a7b01d15612846f332751841da3579db313082)

/*
 * Copyright 2012 Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *		Paweł Dziepak, pdziepak@quarnos.org
 */
#ifndef IDMAP_H
#define IDMAP_H


#include <lock.h>
#include <port.h>
#include <SupportDefs.h>


class IdMap {
public:
						IdMap();
						~IdMap();

			uid_t		GetUserId(const char* owner);
			gid_t		GetGroupId(const char* ownerGroup);

			char*		GetOwner(uid_t user);
			char*		GetOwnerGroup(gid_t group);

	inline	status_t	InitStatus();

private:
			status_t	_Repair();

			template<typename T>
			void*		_GetBuffer(T value, int32 code);

			template<typename T>
			T			_GetValue(const char* buffer, int32 code);

			status_t	fInitStatus;

			mutex		fLock;

			port_id		fRequestPort;
			port_id		fReplyPort;
};


inline status_t
IdMap::InitStatus()
{
	return fInitStatus;
}


extern IdMap*	gIdMapper;
extern mutex	gIdMapperLock;


#endif	// IDMAP_H