TB10.1 Example Applications: examples/RemoteConn/MtpDataProviderExample/src/cmtpexampledprequestprocessor.cpp Source File

00001 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
-00002 // All rights reserved.
-00003 // This component and the accompanying materials are made available
-00004 // under the terms of "Eclipse Public License v1.0"
-00005 // which accompanies this distribution, and is available
-00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
-00007 //
-00008 // Initial Contributors:
-00009 // Nokia Corporation - initial contribution.
-00010 //
-00011 // Contributors:
-00012 //
-00013 // Description:
-00014 //
-00015 
-00016 #include <mtp/mtpprotocolconstants.h>
-00017 #include <mtp/tmtptyperequest.h>
-00018 #include <mtp/mmtpdataproviderframework.h>
-00019 #include <mtp/tmtptypeevent.h>
-00020 #include <mtp/mmtpconnection.h>
-00021 #include <mtp/mmtpobjectmgr.h>
-00022  
-00023 #include "cmtpexampledprequestprocessor.h"
-00024 
-00025 
-00034 CMTPExampleDpRequestProcessor::CMTPExampleDpRequestProcessor(
-00035                                                                                         MMTPDataProviderFramework& aFramework,                                                                                  
-00036                                                                                         MMTPConnection& aConnection,
-00037                                                                                         TInt aElementCount,
-00038                                                                                         const TMTPRequestElementInfo* aElements)
-00039         :iFramework(aFramework),
-00040         iConnection(aConnection),
-00041         iElementCount(aElementCount),
-00042         iElements(aElements)
-00043         {
-00044         
-00045         }
-00046 
-00050 CMTPExampleDpRequestProcessor::~CMTPExampleDpRequestProcessor()
-00051         {
-00052         }
-00056  void CMTPExampleDpRequestProcessor::Release()
-00057      {
-00058      delete this;
-00059     }
-00060 
-00061 
-00068 void CMTPExampleDpRequestProcessor::SendResponseL(TMTPResponseCode aResponseCode, TInt aParameterCount, TUint32* aParams)
-00069         {   
-00070         iResponse.SetUint16(TMTPTypeResponse::EResponseCode, aResponseCode);
-00071                     
-00072     iResponse.SetUint32(TMTPTypeResponse::EResponseSessionID, iSessionId);
-00073         
-00074         iResponse.SetUint32(TMTPTypeResponse::EResponseTransactionID, iTransactionCode);
-00075    
-00076     TInt i = 0; 
-00077         for(i = 0; i < aParameterCount; i++)
-00078                 {
-00079                 iResponse.SetUint32(TMTPTypeResponse::EResponseParameter1 + i, aParams[i]);
-00080                 }
-00081 
-00082         i += TMTPTypeResponse::EResponseParameter1;
-00083         while(i <= TMTPTypeResponse::EResponseParameter5)
-00084             {
-00085             iResponse.SetUint32(i, KMTPNotSpecified32);
-00086             i++;
-00087             }
-00088         iFramework.SendResponseL(iResponse, *iRequest, iConnection);
-00089         }
-00094  const TMTPTypeRequest& CMTPExampleDpRequestProcessor::Request() const
-00095      { 
-00096      return *iRequest;
-00097      }
-00098      
-00099 
-00100 
-00104 void CMTPExampleDpRequestProcessor::CompleteRequestL()
-00105     {
-00106         iFramework.TransactionCompleteL(*iRequest, iConnection);
-00107         }
-00108 
-00109 
-00116 TBool CMTPExampleDpRequestProcessor::HandleRequestL(const TMTPTypeRequest& aRequest, TMTPTransactionPhase aPhase)
-00117         {
-00118         iRequest = &aRequest;
-00119         TBool result = EFalse;
-00120         switch(aPhase)
-00121                 {
-00122                 case ERequestPhase:             
-00123                     ExtractSessionTransactionId();
-00124                     ServiceL(); 
-00125                         break;
-00126 
-00127                 case EResponsePhase:
-00128                         result = DoHandleResponsePhaseL();      
-00129                         break;
-00130                         
-00131                 case ECompletingPhase:
-00132                         result = DoHandleCompletingPhaseL();
-00133                         break;
-00134                 }
-00135         return result;  
-00136         }
-00137 
-00138 
-00143 MMTPConnection& CMTPExampleDpRequestProcessor::Connection() const
-00144      {
-00145      return iConnection;
-00146      }
-00147 
-00152 TUint32 CMTPExampleDpRequestProcessor::SessionId()
-00153     {
-00154     return iSessionId;
-00155     }
-00156         
-00161 TBool CMTPExampleDpRequestProcessor::DoHandleResponsePhaseL()
-00162         {
-00163         TMTPResponseCode responseCode = (iCancelled ? EMTPRespCodeIncompleteTransfer : EMTPRespCodeOK);
-00164         SendResponseL(responseCode);
-00165         return EFalse;
-00166         }
-00167 
-00172 TBool CMTPExampleDpRequestProcessor::DoHandleCompletingPhaseL()
-00173         {
-00174         CompleteRequestL();
-00175         return ETrue;   
-00176         }
-00177 
-00181 void CMTPExampleDpRequestProcessor::ExtractSessionTransactionId()
-00182         {    
-00183         iSessionId = iRequest->Uint32(TMTPTypeRequest::ERequestSessionID);    
-00184         iTransactionCode = iRequest->Uint32(TMTPTypeRequest::ERequestTransactionID);            
-00185         }
-00186 
-00187 
-00194 TBool CMTPExampleDpRequestProcessor::Match(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection) const
-00195     {
-00196 
-00197     TUint32 eventSessionId = aEvent.Uint32(TMTPTypeEvent::EEventSessionID);
-00198     TUint32 eventTransactionCode = aEvent.Uint32(TMTPTypeEvent::EEventTransactionID);
-00199     
-00200     TBool result = EFalse;
-00201     if(iSessionId == eventSessionId && 
-00202         iTransactionCode == eventTransactionCode &&
-00203         &iConnection == &aConnection)
-00204         {
-00205         result = ETrue;
-00206         }
-00207     return result;  
-00208     }
-00209  
-00216 TBool CMTPExampleDpRequestProcessor::Match(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection) const
-00217     {
-00218     TBool result = ((&aRequest == iRequest) && (&iConnection == &aConnection));
-00219     return result;      
-00220     }
-00221  
-00226 void CMTPExampleDpRequestProcessor::HandleEventL(const TMTPTypeEvent& aEvent)
-00227       {
-00228       TUint16 eventCode = aEvent.Uint16(TMTPTypeEvent::EEventCode);
-00229       iCancelled = (eventCode == EMTPEventCodeCancelTransaction);
-00230       }
-00231 
-00232 
-00233 
-00234 
-