mirror of https://github.com/Icinga/icinga2.git
141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* 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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******************************************************************************/
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#ifndef DYNAMICOBJECT_H
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#define DYNAMICOBJECT_H
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#include "base/i2-base.h"
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#include "base/object.h"
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#include "base/dictionary.h"
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#include <boost/signals2.hpp>
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#include <map>
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#include <set>
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namespace icinga
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{
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class DynamicType;
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/**
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* The type of an attribute for a DynamicObject.
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*
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* @ingroup base
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*/
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enum AttributeType
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{
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Attribute_Transient = 1,
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/* Unlike transient attributes local attributes are persisted
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* in the program state file. */
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Attribute_Local = 2,
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/* Attributes read from the config file are implicitly marked
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* as config attributes. */
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Attribute_Config = 4,
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/* Combination of all attribute types */
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Attribute_All = Attribute_Transient | Attribute_Local | Attribute_Config
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};
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/**
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* A dynamic object that can be instantiated from the configuration file
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* and that supports attribute replication to remote application instances.
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*
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* @ingroup base
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*/
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class I2_BASE_API DynamicObject : public Object
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{
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public:
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DECLARE_PTR_TYPEDEFS(DynamicObject);
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~DynamicObject(void);
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Dictionary::Ptr Serialize(int attributeTypes) const;
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void Deserialize(const Dictionary::Ptr& update, int attributeTypes);
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static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnStarted;
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static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnStopped;
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static boost::signals2::signal<void (const DynamicObject::Ptr&)> OnStateChanged;
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Value InvokeMethod(const String& method, const std::vector<Value>& arguments);
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shared_ptr<DynamicType> GetType(void) const;
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String GetName(void) const;
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bool IsActive(void) const;
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void SetExtension(const String& key, const Object::Ptr& object);
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Object::Ptr GetExtension(const String& key);
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void ClearExtension(const String& key);
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void Register(void);
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void Activate(void);
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void Deactivate(void);
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virtual void Start(void);
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virtual void Stop(void);
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template<typename T>
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static shared_ptr<T> GetObject(const String& name)
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{
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DynamicObject::Ptr object = GetObject(T::GetTypeName(), name);
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return dynamic_pointer_cast<T>(object);
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}
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static void DumpObjects(const String& filename, int attributeTypes = Attribute_Local);
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static void RestoreObjects(const String& filename, int attributeTypes = Attribute_Local);
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static void StopObjects(void);
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Dictionary::Ptr GetCustom(void) const;
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protected:
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explicit DynamicObject(void);
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virtual void InternalSerialize(const Dictionary::Ptr& bag, int attributeTypes) const;
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virtual void InternalDeserialize(const Dictionary::Ptr& bag, int attributeTypes);
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private:
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String m_Name;
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String m_Type;
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Dictionary::Ptr m_Extensions;
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Dictionary::Ptr m_Methods;
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Dictionary::Ptr m_Custom;
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bool m_Active;
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static DynamicObject::Ptr GetObject(const String& type, const String& name);
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};
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#define DECLARE_TYPENAME(klass) \
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inline static String GetTypeName(void) \
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{ \
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return #klass; \
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} \
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\
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inline static shared_ptr<klass> GetByName(const String& name) \
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{ \
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return DynamicObject::GetObject<klass>(name); \
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}
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}
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#endif /* DYNAMICOBJECT_H */
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