icinga2/lib/base/configobject.hpp

121 lines
4.0 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2016 Icinga Development Team (https://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 DYNAMICOBJECT_H
#define DYNAMICOBJECT_H
#include "base/i2-base.hpp"
#include "base/configobject.thpp"
#include "base/object.hpp"
#include "base/type.hpp"
#include "base/dictionary.hpp"
#include <boost/signals2.hpp>
namespace icinga
{
class ConfigType;
/**
* A dynamic object that can be instantiated from the configuration file.
*
* @ingroup base
*/
class I2_BASE_API ConfigObject : public ObjectImpl<ConfigObject>
{
public:
DECLARE_OBJECT(ConfigObject);
static boost::signals2::signal<void (const ConfigObject::Ptr&)> OnStateChanged;
intrusive_ptr<ConfigType> GetType(void) const;
bool IsActive(void) const;
bool IsPaused(void) const;
void SetExtension(const String& key, const Value& value);
Value GetExtension(const String& key);
void ClearExtension(const String& key);
ConfigObject::Ptr GetZone(void) const;
void ModifyAttribute(const String& attr, const Value& value, bool updateVersion = true);
void RestoreAttribute(const String& attr, bool updateVersion = true);
bool IsAttributeModified(const String& attr) const;
void Register(void);
void Unregister(void);
void Activate(bool runtimeCreated = false);
void Deactivate(bool runtimeRemoved = false);
void SetAuthority(bool authority);
virtual void Start(bool runtimeCreated = false) override;
virtual void Stop(bool runtimeRemoved = false) override;
virtual void Pause(void);
virtual void Resume(void);
virtual void OnConfigLoaded(void);
virtual void CreateChildObjects(const Type::Ptr& childType);
virtual void OnAllConfigLoaded(void);
virtual void OnStateLoaded(void);
template<typename T>
static intrusive_ptr<T> GetObject(const String& name)
{
ConfigObject::Ptr object = GetObject(T::GetTypeName(), name);
return static_pointer_cast<T>(object);
}
static ConfigObject::Ptr GetObject(const String& type, const String& name);
static void DumpObjects(const String& filename, int attributeTypes = FAState);
static void RestoreObjects(const String& filename, int attributeTypes = FAState);
static void StopObjects(void);
static void DumpModifiedAttributes(const boost::function<void(const ConfigObject::Ptr&, const String&, const Value&)>& callback);
static Object::Ptr GetPrototype(void);
protected:
explicit ConfigObject(void);
private:
ConfigObject::Ptr m_Zone;
static void RestoreObject(const String& message, int attributeTypes);
};
#define DECLARE_OBJECTNAME(klass) \
inline static String GetTypeName(void) \
{ \
return #klass; \
} \
\
inline static intrusive_ptr<klass> GetByName(const String& name) \
{ \
return ConfigObject::GetObject<klass>(name); \
}
}
#endif /* DYNAMICOBJECT_H */