largedataprovider.cpp

Pegasus is an open-source implementationof the DMTF CIM and WBEM standards. It is designed to be por

//%2006////////////////////////////////////////////////////////////////////////
//
// 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.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; Symantec 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: <Subodh Soni> (<[e-mail]>)
//
// Modified By:
//
//%/////////////////////////////////////////////////////////////////////////////

#include <stdio.h>
#include <iostream>
#include "LargeDataProvider.h"
#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/Constants.h>
#include <Pegasus/Common/CIMDateTime.h>

PEGASUS_USING_STD;
#ifndef NO_OF_INSTANCES
#define NO_OF_INSTANCES	100
#endif

PEGASUS_NAMESPACE_BEGIN

LargeDataProvider::LargeDataProvider(void)
{
}

LargeDataProvider::~LargeDataProvider(void)
{
}

void LargeDataProvider::initialize(CIMOMHandle & cimom)
{
	cout << "-----------------------------" << endl;	
    cout << "LargeDataProvider::initialize" << endl;
	cout << "-----------------------------" << endl;	
}

void LargeDataProvider::terminate(void)
{
	// Supporting Large data handling.
}

void LargeDataProvider::getInstance(
	const OperationContext & context,
	const CIMObjectPath & instanceReference,
	const Boolean includeQualifiers,
	const Boolean includeClassOrigin,
	const CIMPropertyList & propertyList,
	InstanceResponseHandler & handler)
{
	cout << "------------------------------" << endl;	
    cout << "LargeDataProvider::getInstance" << endl;
	cout << "------------------------------" << endl;	
	// convert a potential fully qualified reference into a local reference
	// (class name and keys only).
	CIMObjectPath localReference = CIMObjectPath(
		String(),
		String(),
		instanceReference.getClassName(),
		instanceReference.getKeyBindings());
	
	// begin processing the request
	handler.processing();
	
    // instance index corresponds to reference index
    for(Uint32 i = 0, n = _instances.size(); i < n; i++)
    {
        if(localReference == _instanceNames[i])
        {
	    	// deliver requested instance
	    	handler.deliver(_instances[i]);
	    	break;
        }
	}
	// complete processing the request
	handler.complete();
}

void LargeDataProvider::enumerateInstances(
	const OperationContext & context,
	const CIMObjectPath & classReference,
	const Boolean includeQualifiers,
	const Boolean includeClassOrigin,
	const CIMPropertyList & propertyList,
	InstanceResponseHandler & handler)
{
	char buffer[NO_OF_INSTANCES];
	CIMInstance Instances[NO_OF_INSTANCES];
	CIMObjectPath References[NO_OF_INSTANCES];
	
	cout << "-------------------------------------" << endl;
	cout << "LargeDataProvider::enumerateInstances" << endl;
	cout << "-------------------------------------" << endl;

	// announce operation processing.
	handler.processing();

    // creating some instances in a loop for generating a large amount of data
	// The number of instances is controlled by the macro var. NO_OF_INSTANCES.
	// TODO:: Need to fix the way in which the value of this variable is passed

	cout << "Number of Instances = " << NO_OF_INSTANCES << endl;
	for (Uint32 i = 0; i < NO_OF_INSTANCES; i++)
	{
		sprintf(buffer, "%d", i);

		Instances[i] = CIMInstance("SampleClass");
	    References[i] = CIMObjectPath("SampleClass.Id="+String(buffer));

		Instances[i].addProperty(CIMProperty("Id", Uint16(i)));
		Instances[i].addProperty(CIMProperty("Message", String(buffer)));
		Instances[i].addProperty(CIMProperty("ReqType", String("Local")));
		Instances[i].addProperty(CIMProperty("RequestNumber", Uint16(i+10)));
		Instances[i].addProperty(CIMProperty("TimeSpent", Uint16(i+2)));
		Instances[i].addProperty(CIMProperty("TimeIdeal", Uint16(100)));
		Instances[i].addProperty(CIMProperty("Performance", String("OK \00><\00")));
		Instances[i].addProperty(CIMProperty("EndPoint", 
							String("Instance "+String(buffer)+" Ends")));

	    _instances.append(Instances[i]);
    	_instanceNames.append(References[i]);
	}

	for(Uint32 i = 0; i < NO_OF_INSTANCES; i++)
		// deliver instance
		handler.deliver(_instances[i]);

	// complete processing the request
	handler.complete();
}

void LargeDataProvider::enumerateInstanceNames(
	const OperationContext & context,
	const CIMObjectPath & classReference,
	ObjectPathResponseHandler & handler)
{
	cout << "-----------------------------------------" << endl;
	cout << "LargeDataProvider::enumerateInstanceNames" << endl;	
	cout << "-----------------------------------------" << endl;
	// begin processing the request
	handler.processing();
	cout << "_instances.size = " << _instances.size() << endl;
	for(Uint32 i = 0; i < _instances.size(); i++)
		// deliver references
		handler.deliver(_instanceNames[i]);

	// complete processing the request
	handler.complete();
}

void LargeDataProvider::modifyInstance(
	const OperationContext & context,
	const CIMObjectPath & instanceReference,
	const CIMInstance & instanceObject,
	const Boolean includeQualifiers,
	const CIMPropertyList & propertyList,
	ResponseHandler & handler)
{
	cout << "---------------------------------" << endl;
	cout << "LargeDataProvider::modifyInstance" << endl;	
	cout << "---------------------------------" << endl;
	// convert a potential fully qualified reference into a local reference
	// (class name and keys only).
	CIMObjectPath localReference = CIMObjectPath(
		String(),
		String(),
		instanceReference.getClassName(),
		instanceReference.getKeyBindings());

	// begin processing the request
	handler.processing();

	// instance index corresponds to reference index
	for(Uint32 i = 0, n = _instances.size(); i < n; i++)
	{
		if(localReference == _instanceNames[i])
		{
			// overwrite existing instance
			_instances[i] = instanceObject;
			break;
		}
	}

	// complete processing the request
	handler.complete();
}

void LargeDataProvider::createInstance(
	const OperationContext & context,
	const CIMObjectPath & instanceReference,
	const CIMInstance & instanceObject,
	ObjectPathResponseHandler & handler)
{
	cout << "---------------------------------" << endl;
	cout << "LargeDataProvider::createInstance" << endl;	
	cout << "---------------------------------" << endl;

	// convert a potential fully qualified reference into a local reference
	// (class name and keys only).
	CIMObjectPath localReference = CIMObjectPath(
		String(),
		String(),
		instanceReference.getClassName(),
		instanceReference.getKeyBindings());

	// instance index corresponds to reference index
	for(Uint32 i = 0, n = _instanceNames.size(); i < n; i++)
	{
		if(localReference == _instanceNames[i])
		{
			throw CIMObjectAlreadyExistsException(
                                  localReference.toString());
		}
	}

	// begin processing the request
	handler.processing();

	// add the new instance to the array
	_instances.append(instanceObject);
	_instanceNames.append(instanceReference);

	// deliver the new instance
	handler.deliver(_instanceNames[_instanceNames.size() - 1]);

	// complete processing the request
	handler.complete();
}

void LargeDataProvider::deleteInstance(
	const OperationContext & context,
	const CIMObjectPath & instanceReference,
	ResponseHandler & handler)
{
	cout << "---------------------------------" << endl;
	cout << "LargeDataProvider::deleteInstance" << endl;	
	cout << "---------------------------------" << endl;
	// convert a potential fully qualified reference into a local reference
	// (class name and keys only).
	CIMObjectPath localReference = CIMObjectPath(
		String(),
		String(),
		instanceReference.getClassName(),
		instanceReference.getKeyBindings());

	// begin processing the request
	handler.processing();

	// instance index corresponds to reference index
	for(Uint32 i = 0, n = _instances.size(); i < n; i++)
	{
		if(localReference == _instanceNames[i])
		{
			// save the instance locally
			CIMInstance cimInstance(_instances[i]);

			// remove instance from the array
			_instances.remove(i);
			_instanceNames.remove(i);

			// exit loop
			break;
		}
	}

	// complete processing the request
	handler.complete();
}

PEGASUS_NAMESPACE_END