icinga2/lib/base/dynamicobject.hpp

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/******************************************************************************
* 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 *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
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#ifndef DYNAMICOBJECT_H
#define DYNAMICOBJECT_H
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#include "base/i2-base.hpp"
#include "base/dynamicobject.thpp"
#include "base/object.hpp"
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#include "base/type.hpp"
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#include "base/dictionary.hpp"
#include "base/debuginfo.hpp"
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#include <boost/signals2.hpp>
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#include <map>
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namespace icinga
{
class DynamicType;
/**
* A dynamic object that can be instantiated from the configuration file.
*
* @ingroup base
*/
class I2_BASE_API DynamicObject : public ObjectImpl<DynamicObject>
{
public:
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DECLARE_OBJECT(DynamicObject);
static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnStarted;
static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnStopped;
static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnPaused;
static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnResumed;
static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnStateChanged;
intrusive_ptr<DynamicType> GetType(void) const;
DebugInfo GetDebugInfo(void) const;
void SetDebugInfo(const DebugInfo& di);
bool IsActive(void) const;
bool IsPaused(void) const;
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void SetExtension(const String& key, const Value& value);
Value GetExtension(const String& key);
void ClearExtension(const String& key);
void Register(void);
void Activate(void);
void Deactivate(void);
void SetAuthority(bool authority);
virtual void Start(void);
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virtual void Stop(void);
virtual void Pause(void);
virtual void Resume(void);
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virtual void OnConfigLoaded(void);
virtual void OnAllConfigLoaded(void);
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virtual void OnStateLoaded(void);
template<typename T>
static intrusive_ptr<T> GetObject(const String& name)
{
DynamicObject::Ptr object = GetObject(T::GetTypeName(), name);
return static_pointer_cast<T>(object);
}
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static void DumpObjects(const String& filename, int attributeTypes = FAState);
static void RestoreObjects(const String& filename, int attributeTypes = FAState);
static void StopObjects(void);
protected:
explicit DynamicObject(void);
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private:
static DynamicObject::Ptr GetObject(const String& type, const String& name);
static void RestoreObject(const String& message, int attributeTypes);
DebugInfo m_DebugInfo;
};
#define DECLARE_OBJECTNAME(klass) \
inline static String GetTypeName(void) \
{ \
return #klass; \
} \
\
inline static intrusive_ptr<klass> GetByName(const String& name) \
{ \
return DynamicObject::GetObject<klass>(name); \
}
}
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#endif /* DYNAMICOBJECT_H */