icinga2/lib/base/dynamicobject.h

145 lines
4.8 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 DYNAMICOBJECT_H
#define DYNAMICOBJECT_H
#include "base/i2-base.h"
#include "base/dynamicobject.th"
#include "base/object.h"
#include "base/serializer.h"
#include "base/dictionary.h"
#include <boost/signals2.hpp>
#include <map>
namespace icinga
{
class DynamicType;
enum ModifiedAttributeType
{
ModAttrNotificationsEnabled = 1,
ModAttrActiveChecksEnabled = 2,
ModAttrPassiveChecksEnabled = 4,
ModAttrEventHandlerEnabled = 8,
ModAttrFlapDetectionEnabled = 16,
ModAttrFailurePredictionEnabled = 32,
ModAttrPerformanceDataEnabled = 64,
ModAttrObsessiveHandlerEnabled = 128,
ModAttrEventHandlerCommand = 256,
ModAttrCheckCommand = 512,
ModAttrNormalCheckInterval = 1024,
ModAttrRetryCheckInterval = 2048,
ModAttrMaxCheckAttempts = 4096,
ModAttrFreshnessChecksEnabled = 8192,
ModAttrCheckTimeperiod = 16384,
ModAttrCustomVariable = 32768,
ModAttrNotificationTimeperiod = 65536
};
/**
* A dynamic object that can be instantiated from the configuration file
* and that supports attribute replication to remote application instances.
*
* @ingroup base
*/
class I2_BASE_API DynamicObject : public ObjectImpl<DynamicObject>
{
public:
DECLARE_PTR_TYPEDEFS(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;
static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnVarsChanged;
Value InvokeMethod(const String& method, const std::vector<Value>& arguments);
shared_ptr<DynamicType> GetType(void) const;
bool IsActive(void) const;
bool IsPaused(void) const;
void SetExtension(const String& key, const Object::Ptr& object);
Object::Ptr GetExtension(const String& key);
void ClearExtension(const String& key);
Dictionary::Ptr GetVars(void) const;
void SetVars(const Dictionary::Ptr& vars);
virtual int GetModifiedAttributes(void) const;
virtual void SetModifiedAttributes(int flags);
bool IsVarOverridden(const String& name);
void Register(void);
void Activate(void);
void Deactivate(void);
void SetAuthority(bool authority);
virtual void Start(void);
virtual void Stop(void);
virtual void Pause(void);
virtual void Resume(void);
virtual void OnConfigLoaded(void);
virtual void OnStateLoaded(void);
template<typename T>
static shared_ptr<T> GetObject(const String& name)
{
DynamicObject::Ptr object = GetObject(T::GetTypeName(), name);
return static_pointer_cast<T>(object);
}
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);
private:
std::map<String, int> m_Privileges;
static DynamicObject::Ptr GetObject(const String& type, const String& name);
static void RestoreObject(const String& message, int attributeTypes);
};
#define DECLARE_TYPENAME(klass) \
inline static String GetTypeName(void) \
{ \
return #klass; \
} \
\
inline static shared_ptr<klass> GetByName(const String& name) \
{ \
return DynamicObject::GetObject<klass>(name); \
}
}
#endif /* DYNAMICOBJECT_H */