OW_CMPIInstanceProviderProxy.cpp

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/*******************************************************************************
* Copyright (C) 2003-2004 Vintela, Inc. All, IBM Corp. rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
*  - Redistributions of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  - Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
*
*  - Neither the name of Vintela, Inc. nor the names of its
*    contributors may be used to endorse or promote products derived from this
*    software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* POSSIBILITY OF SUCH DAMAGE.
*
* Author:        Markus Mueller <sedgewick_de@yahoo.de>
*
*******************************************************************************/
#include "OW_config.h"
#include "OW_CMPIInstanceProviderProxy.hpp"
#include "OW_CIMClass.hpp"
#include "OW_CIMException.hpp"
#include "OW_Format.hpp"
#include "OW_CMPIProviderIFCUtils.hpp"
#include "OW_Logger.hpp"
#include "cmpisrv.h"
#ifdef OW_HAVE_ALLOCA_H
#include <alloca.h>
#endif
#include <stdlib.h> // for alloca() on FreeBSD

namespace OW_NAMESPACE
{

// debugging
#define DDD(X) // X
using namespace WBEMFlags;

namespace
{
   const String COMPONENT_NAME("ow.provider.cmpi.ifc");
}

CMPIInstanceProviderProxy::~CMPIInstanceProviderProxy()
{
}

void
CMPIInstanceProviderProxy::enumInstanceNames(
   const ProviderEnvironmentIFCRef& env,
   const String& ns,
   const String& className,
   CIMObjectPathResultHandlerIFC& result,
   const CIMClass& cimClass )
{
   OW_LOG_DEBUG(env->getLogger(COMPONENT_NAME), "CMPIInstanceProviderProxy::enumInstanceNames()");

   m_ftable->lastAccessTime.setToCurrent();

   if (m_ftable->miVector.instMI->ft->enumInstanceNames!= NULL)
   {
      CMPIStatus rc = {CMPI_RC_OK, NULL};
      ::CMPIOperationContext context;
      ProviderEnvironmentIFCRef env2(env);
      ::CMPI_Broker localBroker(m_ftable->broker);
      localBroker.hdl = static_cast<void *>(&env2);
      CMPI_ContextOnStack eCtx(context);
      CMPI_ThreadContext thr(&localBroker, &eCtx);
      CIMObjectPath cop(className, ns);
      CMPI_ObjectPathOnStack eRef(cop);
      CMPI_ResultOnStack eRes(result);
      CMPIFlags flgs=0;
      eCtx.ft->addEntry(&eCtx, const_cast<char*>(CMPIInvocationFlags),
         (CMPIValue*)&flgs,CMPI_uint32);
		::CMPIInstanceMI *mi = m_ftable->miVector.instMI;
      rc = m_ftable->miVector.instMI->ft->enumInstanceNames(
         mi, &eCtx, &eRes, &eRef);
      if (rc.rc == CMPI_RC_OK)
      {
         return;
      }
      else
      {
         OW_THROWCIMMSG(CIMException::ErrNoType(rc.rc), rc.msg ? CMGetCharPtr(rc.msg) : "");
      }
   }
   else
   {
      OW_THROWCIMMSG(CIMException::FAILED, "Provider does not support enumInstanceNames");
   }
}
void
CMPIInstanceProviderProxy::enumInstances(
   const ProviderEnvironmentIFCRef& env,
   const String& ns,
   const String& className,
   CIMInstanceResultHandlerIFC& result,
   ELocalOnlyFlag localOnly,
   EDeepFlag deep,
   EIncludeQualifiersFlag includeQualifiers,
   EIncludeClassOriginFlag includeClassOrigin,
   const StringArray* propertyList,
   const CIMClass& requestedClass,
   const CIMClass& cimClass )
{
   OW_LOG_DEBUG(env->getLogger(COMPONENT_NAME), "CMPIInstanceProviderProxy::enumInstances()");

   m_ftable->lastAccessTime.setToCurrent();

   if (m_ftable->miVector.instMI->ft->enumInstances!= NULL)
   {
      CMPIStatus rc = {CMPI_RC_OK, NULL};
      const char **props = NULL;
      int pCount = 0;
      ::CMPIOperationContext context;
      ProviderEnvironmentIFCRef env2(env);
      ::CMPI_Broker localBroker(m_ftable->broker);
      localBroker.hdl = static_cast<void *>(&env2);
      CMPI_ContextOnStack eCtx(context);
      CMPI_ThreadContext thr(&localBroker, &eCtx);
      CIMObjectPath cop(className, ns);
      CMPI_ObjectPathOnStack eRef(cop);
      CMPI_ResultOnStack eRes(result);

      if (propertyList)
      {
         if (propertyList->size()>0)
         {
            pCount = propertyList->size();
            props = (const char **) alloca(1+pCount*sizeof(char *));

            for (int i = 0; i < pCount; i++)
               props[i]= (*propertyList)[i].c_str();

            props[pCount]=NULL;
         }
      }
      CMPIFlags flgs = 0;

      if (includeQualifiers)
         flgs |= CMPI_FLAG_IncludeQualifiers;

      if (includeClassOrigin)
         flgs |= CMPI_FLAG_IncludeClassOrigin;

      eCtx.ft->addEntry(&eCtx,const_cast<char*>(CMPIInvocationFlags), (CMPIValue*)&flgs,
         CMPI_uint32);

		::CMPIInstanceMI *mi = m_ftable->miVector.instMI;
      rc = m_ftable->miVector.instMI->ft->enumInstances(
         mi, &eCtx, &eRes, &eRef, props);

      if (rc.rc != CMPI_RC_OK)
      {
         OW_THROWCIMMSG(CIMException::ErrNoType(rc.rc), rc.msg ? CMGetCharPtr(rc.msg) : "");
      }
   }
   else
   {
      OW_THROWCIMMSG(CIMException::FAILED, "Provider does not support enumInstances");
   }
}
CIMInstance
CMPIInstanceProviderProxy::getInstance(const ProviderEnvironmentIFCRef &env,
   const String& ns,
   const CIMObjectPath& instanceName,
   ELocalOnlyFlag localOnly,
   EIncludeQualifiersFlag includeQualifiers,
   EIncludeClassOriginFlag includeClassOrigin,
   const StringArray* propertyList,
   const CIMClass& cimClass)
{
   CIMInstance rval;
   OW_LOG_DEBUG(env->getLogger(COMPONENT_NAME), "CMPIInstanceProviderProxy::getInstance()");

   m_ftable->lastAccessTime.setToCurrent();

   if (m_ftable->miVector.instMI->ft->getInstance != NULL)
   {
      CMPIStatus rc = {CMPI_RC_OK, NULL};
      const char **props = NULL;
      int pCount = 0;
      ::CMPIOperationContext context;
      ProviderEnvironmentIFCRef env2(env);
      ::CMPI_Broker localBroker(m_ftable->broker);
      localBroker.hdl = static_cast<void *>(&env2);
      CMPI_ContextOnStack eCtx(context);
      CMPI_ThreadContext thr(&localBroker, &eCtx);
      CIMObjectPath copWithNS(instanceName);
      copWithNS.setNameSpace(ns);
      CMPI_ObjectPathOnStack eRef(copWithNS);
      //CMPI_ResultOnStack eRes(result);
      CMPIInstanceValueResultHandler instrh;
      CMPI_ResultOnStack eRes(instrh);
      if (propertyList)
      {
         if (propertyList->size() > 0)
         {
            pCount = propertyList->size();
            props = (const char **) alloca(1+pCount*sizeof(char *));

            for (int i = 0; i < pCount; i++)
               props[i] = (*propertyList)[i].c_str();

            props[pCount] = NULL;
         }
      }
      CMPIFlags flgs=0;

      if (includeQualifiers)
         flgs |= CMPI_FLAG_IncludeQualifiers;

      if (includeClassOrigin)
         flgs |= CMPI_FLAG_IncludeClassOrigin;

      eCtx.ft->addEntry(&eCtx,const_cast<char*>(CMPIInvocationFlags), (CMPIValue*)&flgs,
         CMPI_uint32);

		::CMPIInstanceMI *mi = m_ftable->miVector.instMI;

      rc = m_ftable->miVector.instMI->ft->getInstance(
         mi, &eCtx, &eRes, &eRef, props);

      if (rc.rc == CMPI_RC_OK)
      {
         return instrh.getValue();
      }
      else
      {
         OW_THROWCIMMSG(CIMException::ErrNoType(rc.rc), rc.msg ? CMGetCharPtr(rc.msg) : "");
      }
   }
   else
   {
      OW_THROWCIMMSG(CIMException::FAILED, "Provider does not support getInstance");
   }
   return rval;
}

#ifndef OW_DISABLE_INSTANCE_MANIPULATION

void
CMPIInstanceProviderProxy::deleteInstance(const ProviderEnvironmentIFCRef &env,
   const String& ns, const CIMObjectPath& cop)
{
   OW_LOG_DEBUG(env->getLogger(COMPONENT_NAME), "CMPIInstanceProviderProxy::deleteInstance()");

   m_ftable->lastAccessTime.setToCurrent();

   if (m_ftable->miVector.instMI->ft->deleteInstance!= NULL)
   {
      CMPIStatus rc = {CMPI_RC_OK, NULL};
      ::CMPIOperationContext context;
      ProviderEnvironmentIFCRef env2(env);
      ::CMPI_Broker localBroker(m_ftable->broker);
      localBroker.hdl = static_cast<void *>(&env2);
      CMPI_ContextOnStack eCtx(context);
      CMPI_ThreadContext thr(&localBroker, &eCtx);
      CIMObjectPath copWithNS(cop);
      copWithNS.setNameSpace(ns);
      CMPI_ObjectPathOnStack eRef(copWithNS);
      CMPI_ResultOnStack eRes;
      CMPIFlags flgs=0;
      eCtx.ft->addEntry(&eCtx,const_cast<char*>(CMPIInvocationFlags),
         (CMPIValue*)&flgs,CMPI_uint32);
		::CMPIInstanceMI *mi = m_ftable->miVector.instMI;

      rc = m_ftable->miVector.instMI->ft->deleteInstance(
         mi, &eCtx, &eRes, &eRef);

      if (rc.rc != CMPI_RC_OK)
      {
         OW_THROWCIMMSG(CIMException::ErrNoType(rc.rc), rc.msg ?
            CMGetCharPtr(rc.msg) : "");
      }
   }
   else
   {
      OW_THROWCIMMSG(CIMException::FAILED, "Provider does not support deleteInstance");
   }
}
CIMObjectPath
   CMPIInstanceProviderProxy::createInstance(
   const ProviderEnvironmentIFCRef &env, const String& ns,
   const CIMInstance& cimInstance)
{
   CIMObjectPath rval;
   OW_LOG_DEBUG(env->getLogger(COMPONENT_NAME), Format("CMPIInstanceProviderProxy::createInstance() %1", cimInstance));

   m_ftable->lastAccessTime.setToCurrent();

   if (m_ftable->miVector.instMI->ft->createInstance!= NULL)
   {
      CMPIStatus rc = {CMPI_RC_OK, NULL};
      ::CMPIOperationContext context;
      ProviderEnvironmentIFCRef env2(env);
      ::CMPI_Broker localBroker(m_ftable->broker);
      localBroker.hdl = static_cast<void *>(&env2);
      CMPI_ContextOnStack eCtx(context);
      CMPI_ThreadContext thr(&localBroker, &eCtx);
      CIMObjectPath cop(ns, cimInstance);
      CMPI_ObjectPathOnStack eRef(cop);
      CMPI_InstanceOnStack eInst(cimInstance);
      CMPIObjectPathValueResultHandler coprh;
      CMPI_ResultOnStack eRes(coprh);
      CMPIFlags flgs=0;
      eCtx.ft->addEntry(&eCtx,const_cast<char*>(CMPIInvocationFlags),
         (CMPIValue*)&flgs,CMPI_uint32);
		::CMPIInstanceMI *mi = m_ftable->miVector.instMI;
// Cheating
      rc = m_ftable->miVector.instMI->ft->createInstance(
         mi, &eCtx, &eRes, &eRef, &eInst);
      if (rc.rc == CMPI_RC_OK)
      {
         return coprh.getValue();
      }
      else
      {
         OW_THROWCIMMSG(CIMException::ErrNoType(rc.rc), rc.msg ? CMGetCharPtr(rc.msg) : "");
      }
   }
   else
   {
      OW_THROWCIMMSG(CIMException::FAILED, "Provider does not support createInstance");
   }
   return rval;
}
void
   CMPIInstanceProviderProxy::modifyInstance(const ProviderEnvironmentIFCRef &env,
   const String& ns,
   const CIMInstance& modifiedInstance,
   const CIMInstance& previousInstance,
   EIncludeQualifiersFlag includeQualifiers,
   const StringArray* propertyList,
   const CIMClass& theClass)
{
   OW_LOG_DEBUG(env->getLogger(COMPONENT_NAME), "CMPIInstanceProviderProxy::modifyInstance()");

   m_ftable->lastAccessTime.setToCurrent();

   if (m_ftable->miVector.instMI->ft->modifyInstance!= NULL)
   {
      CMPIStatus rc = {CMPI_RC_OK, NULL};
      const char ** props = NULL;
      int pCount = 0;
      ::CMPIOperationContext context;
      ProviderEnvironmentIFCRef env2(env);
      ::CMPI_Broker localBroker(m_ftable->broker);
      localBroker.hdl = static_cast<void *>(&env2);
      CMPI_ContextOnStack eCtx(context);
      CMPI_ThreadContext thr(&localBroker, &eCtx);
      CIMObjectPath instRef(ns, previousInstance);
      CMPI_ObjectPathOnStack eRef(instRef);
      CMPI_InstanceOnStack eInst(modifiedInstance);
      //CMPI_ResultOnStack eRes(result);
      CMPI_ResultOnStack eRes;
      CMPIFlags flgs=0;
      //if (includeQualifier) flgs|=CMPI_FLAG_IncludeQualifiers;
      eCtx.ft->addEntry(&eCtx,const_cast<char*>(CMPIInvocationFlags),
         (CMPIValue*)&flgs,CMPI_uint32);
		::CMPIInstanceMI *mi = m_ftable->miVector.instMI;
      rc = m_ftable->miVector.instMI->ft->modifyInstance(
         mi, &eCtx, &eRes, &eRef, &eInst, props);
      if (props && pCount)
         for (int i=0;i<pCount;i++) free((char *)props[i]);
      if (rc.rc == CMPI_RC_OK) return;
      else
      {
         OW_THROWCIMMSG(CIMException::ErrNoType(rc.rc), rc.msg ? CMGetCharPtr(rc.msg) : "");
      }
   }
   else
   {
      OW_THROWCIMMSG(CIMException::FAILED, "Provider does not support modifyInstance");
   }
}
#endif // #ifndef OW_DISABLE_INSTANCE_MANIPULATION

} // end namespace OW_NAMESPACE

---