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BUG#: 5377
TITLE: ExportClient, ExportServer, and HandlerService classes handleEnqueue methods should assert non-null message

DESCRIPTION: Modified handleEnqueue methods to assert non-null message.

//%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.
//
//==============================================================================
//
//%/////////////////////////////////////////////////////////////////////////////

#include <Pegasus/Common/Config.h>
#include <cctype>
#include <cstdio>
#include <Pegasus/Common/Constants.h>
#include <Pegasus/Common/XmlParser.h>
#include <Pegasus/Common/XmlReader.h>
#include <Pegasus/Common/XmlWriter.h>
#include <Pegasus/Common/HTTPMessage.h>
#include <Pegasus/Common/Logger.h>
#include <Pegasus/Common/Tracer.h>
#include <Pegasus/Common/ContentLanguageList.h>
#include "CIMExportResponseEncoder.h"

PEGASUS_USING_STD;

PEGASUS_NAMESPACE_BEGIN

CIMExportResponseEncoder::CIMExportResponseEncoder()
   : Base(PEGASUS_QUEUENAME_EXPORTRESPENCODER)
{

}

CIMExportResponseEncoder::~CIMExportResponseEncoder()
{

}

void CIMExportResponseEncoder::sendResponse(
   Uint32 queueId, 
   Buffer& message,
   Boolean closeConnect)
{
   MessageQueue* queue = MessageQueue::lookup(queueId);

   if (queue)
   {
      HTTPMessage* httpMessage = new HTTPMessage(message);

      Tracer::traceBuffer(TRC_XML_IO, Tracer::LEVEL2,
         httpMessage->message.getData(), httpMessage->message.size());

       httpMessage->setCloseConnect(closeConnect);

      queue->enqueue(httpMessage);
   }
   else
   {
      Tracer::trace(TRC_DISCARDED_DATA, Tracer::LEVEL2,
         "Invalid queueId = %i, response not sent.", queueId);
   }
}

void CIMExportResponseEncoder::sendEMethodError(
    Uint32 queueId, 
    HttpMethod httpMethod,
    const String& messageId,
    const String& eMethodName,
    const CIMException& cimException,
    Boolean closeConnect) 
{
    Buffer message;
    message = XmlWriter::formatSimpleEMethodErrorRspMessage(
        eMethodName,
        messageId,
        httpMethod,
        cimException);

    sendResponse(queueId, message,closeConnect);
}

void CIMExportResponseEncoder::sendEMethodError(
    CIMResponseMessage* response,
    const String& cimMethodName,
    Boolean closeConnect)
{
   Uint32 queueId = response->queueIds.top();
   response->queueIds.pop();

   sendEMethodError(
       queueId,
       response->getHttpMethod(),
       response->messageId, 
       cimMethodName, 
       response->cimException,
       closeConnect);
}

void CIMExportResponseEncoder::handleEnqueue(Message *message)
{
   PEGASUS_ASSERT(message != 0);

   switch (message->getType())
   {
      case CIM_EXPORT_INDICATION_RESPONSE_MESSAGE:
	 encodeExportIndicationResponse(
	    (CIMExportIndicationResponseMessage*)message);
	 break;

        default:
            PEGASUS_ASSERT(0);
            break;
   }
   
   delete message;
}


void CIMExportResponseEncoder::handleEnqueue()
{
   Message* message = dequeue();
   if(message)
      handleEnqueue(message);
}

void CIMExportResponseEncoder::encodeExportIndicationResponse(
    CIMExportIndicationResponseMessage* response)
{

   Boolean closeConnect = response->getCloseConnect();
   Tracer::trace(
       TRC_HTTP,
       Tracer::LEVEL3,
       "CIMExportResponseEncoder::handleEnqueue()- response>getCloseConnect() returned %d",
       response->getCloseConnect());

   if (response->cimException.getCode() != CIM_ERR_SUCCESS)
   {
      sendEMethodError(response, "ExportIndication",closeConnect);
      return;
   }


   Buffer body;
    
// l10n
   // Note: Content-Language will not be set in the response. 
   // Export responses are sent in the default language of the
   // ExportServer.
   Buffer message = XmlWriter::formatSimpleEMethodRspMessage(
      CIMName ("ExportIndication"), response->messageId, 
      response->getHttpMethod(),
      ContentLanguageList(),
      body);

   sendResponse(response->queueIds.top(), message,closeConnect);
}

PEGASUS_NAMESPACE_END