mirror of
				https://github.com/Icinga/icinga2.git
				synced 2025-11-04 13:45:04 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			157 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			157 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/******************************************************************************
 | 
						|
 * Icinga 2                                                                   *
 | 
						|
 * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org)    *
 | 
						|
 *                                                                            *
 | 
						|
 * 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 (at your option) 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
 | 
						|
 ******************************************************************************/
 | 
						|
 | 
						|
#ifndef OBJECT_H
 | 
						|
#define OBJECT_H
 | 
						|
 | 
						|
#include "base/i2-base.hpp"
 | 
						|
#include "base/debug.hpp"
 | 
						|
#include "base/thinmutex.hpp"
 | 
						|
#include <boost/thread/thread.hpp>
 | 
						|
 | 
						|
#ifndef _DEBUG
 | 
						|
#include <boost/thread/mutex.hpp>
 | 
						|
#else /* _DEBUG */
 | 
						|
#include <boost/thread/recursive_mutex.hpp>
 | 
						|
#endif /* _DEBUG */
 | 
						|
 | 
						|
#include <boost/smart_ptr/intrusive_ptr.hpp>
 | 
						|
 | 
						|
using boost::intrusive_ptr;
 | 
						|
using boost::dynamic_pointer_cast;
 | 
						|
using boost::static_pointer_cast;
 | 
						|
 | 
						|
#include <boost/tuple/tuple.hpp>
 | 
						|
using boost::tie;
 | 
						|
 | 
						|
namespace icinga
 | 
						|
{
 | 
						|
 | 
						|
class Value;
 | 
						|
class Object;
 | 
						|
class Type;
 | 
						|
 | 
						|
#define DECLARE_PTR_TYPEDEFS(klass) \
 | 
						|
	typedef intrusive_ptr<klass> Ptr
 | 
						|
 | 
						|
#define IMPL_TYPE_LOOKUP(klass) 					\
 | 
						|
	static intrusive_ptr<Type> TypeInstance;			\
 | 
						|
	virtual intrusive_ptr<Type> GetReflectionType(void) const	\
 | 
						|
	{								\
 | 
						|
		return TypeInstance;					\
 | 
						|
	}
 | 
						|
 | 
						|
#define DECLARE_OBJECT(klass) \
 | 
						|
	DECLARE_PTR_TYPEDEFS(klass); \
 | 
						|
	IMPL_TYPE_LOOKUP(klass);
 | 
						|
 | 
						|
template<typename T>
 | 
						|
intrusive_ptr<Object> DefaultObjectFactory(void)
 | 
						|
{
 | 
						|
	return new T();
 | 
						|
}
 | 
						|
 | 
						|
typedef intrusive_ptr<Object> (*ObjectFactory)(void);
 | 
						|
 | 
						|
template<typename T>
 | 
						|
struct TypeHelper
 | 
						|
{
 | 
						|
	static ObjectFactory GetFactory(void)
 | 
						|
	{
 | 
						|
		return DefaultObjectFactory<T>;
 | 
						|
	}
 | 
						|
};
 | 
						|
 | 
						|
/**
 | 
						|
 * Base class for all heap-allocated objects. At least one of its methods
 | 
						|
 * has to be virtual for RTTI to work.
 | 
						|
 *
 | 
						|
 * @ingroup base
 | 
						|
 */
 | 
						|
class I2_BASE_API Object
 | 
						|
{
 | 
						|
public:
 | 
						|
	DECLARE_OBJECT(Object);
 | 
						|
 | 
						|
	Object(void);
 | 
						|
	virtual ~Object(void);
 | 
						|
 | 
						|
	virtual void SetField(int id, const Value& value);
 | 
						|
	virtual Value GetField(int id) const;
 | 
						|
 | 
						|
#ifdef _DEBUG
 | 
						|
	bool OwnsLock(void) const;
 | 
						|
#endif /* _DEBUG */
 | 
						|
 | 
						|
	void InflateMutex(void);
 | 
						|
 | 
						|
private:
 | 
						|
	Object(const Object& other);
 | 
						|
	Object& operator=(const Object& rhs);
 | 
						|
 | 
						|
	uintptr_t m_References;
 | 
						|
	mutable ThinMutex m_Mutex;
 | 
						|
 | 
						|
#ifdef _DEBUG
 | 
						|
#	ifndef _WIN32
 | 
						|
	mutable pthread_t m_LockOwner;
 | 
						|
#	else /* _WIN32 */
 | 
						|
	mutable DWORD m_LockOwner;
 | 
						|
#	endif /* _WIN32 */
 | 
						|
#endif /* _DEBUG */
 | 
						|
 | 
						|
	friend struct ObjectLock;
 | 
						|
 | 
						|
	friend void intrusive_ptr_add_ref(Object *object);
 | 
						|
	friend void intrusive_ptr_release(Object *object);
 | 
						|
};
 | 
						|
 | 
						|
inline void intrusive_ptr_add_ref(Object *object)
 | 
						|
{
 | 
						|
#ifdef _WIN32
 | 
						|
	InterlockedIncrement(&object->m_References);
 | 
						|
#else /* _WIN32 */
 | 
						|
	__sync_add_and_fetch(&object->m_References, 1);
 | 
						|
#endif /* _WIN32 */
 | 
						|
}
 | 
						|
 | 
						|
inline void intrusive_ptr_release(Object *object)
 | 
						|
{
 | 
						|
	uintptr_t refs;
 | 
						|
#ifdef _WIN32
 | 
						|
	refs = InterlockedDecrement(&object->m_References);
 | 
						|
#else /* _WIN32 */
 | 
						|
	refs = __sync_sub_and_fetch(&object->m_References, 1);
 | 
						|
#endif /* _WIN32 */
 | 
						|
 | 
						|
	if (refs == 0)
 | 
						|
		delete object;
 | 
						|
}
 | 
						|
 | 
						|
template<typename T>
 | 
						|
class ObjectImpl
 | 
						|
{
 | 
						|
};
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
#endif /* OBJECT_H */
 | 
						|
 | 
						|
#include "base/type.hpp"
 |