//%2003////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002  BMC Software, Hewlett-Packard Development
// Company, L. P., IBM Corp., The Open Group, Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L. P.;
// IBM Corp.; EMC Corporation, The Open Group.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
// Author: Paulo F. Borges, Qualità Informática Company
//		   (pfborges@wowmail.com)
//
// Modified By: Carol Ann Krug Graves, Hewlett-Packard Company
//                (carolann_graves@hp.com)
//              Lyle Wilkinson, Hewlett-Packard Company <lyle_wilkinson@hp.com>
//
//%/////////////////////////////////////////////////////////////////////////////

#ifndef Pegasus_DNSServiceProvider_h
#define Pegasus_DNSServiceProvider_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Provider/CIMInstanceProvider.h>
#include <Pegasus/Provider/CIMMethodProvider.h>
#include <Pegasus/Common/OperationContext.h>
#include <Pegasus/Common/Pair.h>
#include "DNSService.h"

PEGASUS_USING_PEGASUS;
PEGASUS_USING_STD;

Boolean DNSFileOk();

class DNSServiceProvider :
	public CIMInstanceProvider
{
	public:
		DNSServiceProvider(void);
		virtual ~DNSServiceProvider(void);

      	//-- CIMInstanceProvider methods
      	/** Given a reference to an instance of the CIM class, fills in the data
       	*  elements of the class with the details gleaned from the system. */
		void getInstance(const OperationContext & context,
				 const CIMObjectPath & ref,
				 const Boolean includeQualifiers,
				 const Boolean includeClassOrigin,
				 const CIMPropertyList & propertyList,
				 InstanceResponseHandler & handler);

      	/** Returns filled instances for all instances of the CIM class detected
       	*  on the system. */
		void enumerateInstances(const OperationContext & context,
					const CIMObjectPath & ref,
					const Boolean includeQualifiers,
					const Boolean includeClassOrigin,
					const CIMPropertyList & propertyList,
					InstanceResponseHandler & handler);

      	/** Produces a list of references to all instances of the CIM class
       	*  detected on the system, but does not fill the instances
       	*  themselves. */
		void enumerateInstanceNames(const OperationContext & context,
									const CIMObjectPath & ref,
									ObjectPathResponseHandler & handler);

      	/** Currently unimplemented in the provider, this is a no-op
       	*  here. */
		void modifyInstance(const OperationContext & context,
				    const CIMObjectPath & ref,
				    const CIMInstance & obj,
				    const Boolean includeQualifiers,
				    const CIMPropertyList & propertyList,
				    ResponseHandler & handler);

      	/** Currently unimplemented in the provider, this is a no-op
       	*  here. */
		void createInstance(const OperationContext & context,
							const CIMObjectPath & ref,
							const CIMInstance & obj,
							ObjectPathResponseHandler & handler);

      	/** Currently unimplemented in the provider, this is a no-op
       	*  here. */
		void deleteInstance(const OperationContext & context,
							const CIMObjectPath & ref,
							ResponseHandler & handler);

		void initialize(CIMOMHandle & cimom);
		void terminate(void);

	private:
      	// Builds a reference (a set of Key,Value pairs)
		CIMObjectPath _fill_reference(const CIMNamespaceName &nameSpace,
					      const CIMName &className,
					      DNSService dns);
      	// Builds a filled-in instance.
		CIMInstance _build_instance(const CIMName & classname,
                                            const CIMNamespaceName & nameSpace,
                                            const Array<CIMKeyBinding> keys,
					    DNSService dns);

};

#endif
