mirror of https://github.com/Icinga/icinga2.git
139 lines
4.8 KiB
C++
139 lines
4.8 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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namespace icinga
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{
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class DynamicType;
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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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typedef shared_ptr<DynamicObject> Ptr;
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typedef weak_ptr<DynamicObject> WeakPtr;
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typedef map<String, AttributeHolder, string_iless> AttributeMap;
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typedef AttributeMap::iterator AttributeIterator;
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typedef AttributeMap::const_iterator AttributeConstIterator;
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DynamicObject(const Dictionary::Ptr& serializedObject);
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~DynamicObject(void);
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static void Initialize(void);
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Dictionary::Ptr BuildUpdate(double sinceTx, int attributeTypes) const;
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void ApplyUpdate(const Dictionary::Ptr& serializedUpdate, int allowedTypes);
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void RegisterAttribute(const String& name, AttributeType type, AttributeBase *boundAttribute = NULL);
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void Set(const String& name, const Value& data);
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void Touch(const String& name);
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Value Get(const String& name) const;
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void BindAttribute(const String& name, Value *boundValue);
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void ClearAttributesByType(AttributeType type);
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static signals2::signal<void (const DynamicObject::Ptr&)> OnRegistered;
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static signals2::signal<void (const DynamicObject::Ptr&)> OnUnregistered;
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static signals2::signal<void (double, const set<DynamicObject::WeakPtr>&)> OnTransactionClosing;
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static signals2::signal<void (double, const DynamicObject::Ptr&)> OnFlushObject;
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ScriptTask::Ptr MakeMethodTask(const String& method,
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const 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 IsLocal(void) const;
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bool IsAbstract(void) const;
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bool IsRegistered(void) const;
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void SetSource(const String& value);
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String GetSource(void) const;
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void Flush(void);
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void Register(void);
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void Unregister(void);
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virtual void Start(void);
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const AttributeMap& GetAttributes(void) const;
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static DynamicObject::Ptr GetObject(const String& type, const String& name);
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static void DumpObjects(const String& filename);
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static void RestoreObjects(const String& filename);
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static void DeactivateObjects(void);
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static double GetCurrentTx(void);
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protected:
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virtual void OnRegistrationCompleted(void);
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virtual void OnUnregistrationCompleted(void);
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virtual void OnAttributeChanged(const String& name);
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private:
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void InternalSetAttribute(const String& name, const Value& data, double tx, bool allowEditConfig = false);
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Value InternalGetAttribute(const String& name) const;
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void InternalRegisterAttribute(const String& name, AttributeType type, AttributeBase *boundAttribute = NULL);
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mutable boost::mutex m_AttributeMutex;
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AttributeMap m_Attributes;
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set<String, string_iless> m_ModifiedAttributes;
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double m_ConfigTx;
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Attribute<String> m_Name;
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Attribute<String> m_Type;
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Attribute<bool> m_Local;
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Attribute<bool> m_Abstract;
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Attribute<String> m_Source;
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Attribute<Dictionary::Ptr> m_Methods;
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bool m_Registered;
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static double m_CurrentTx;
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static void NewTx(void);
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/* This has to be a set of raw pointers because the DynamicObject
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* constructor has to be able to insert objects into this list. */
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static set<DynamicObject::WeakPtr> m_ModifiedObjects;
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static boost::mutex m_TransactionMutex;
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static boost::once_flag m_TransactionOnce;
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static Timer::Ptr m_TransactionTimer;
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friend class DynamicType; /* for OnRegistrationCompleted. */
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};
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}
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#endif /* DYNAMICOBJECT_H */
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