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/*
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* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include "mmcldd.h"
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#include "d_mmcsdif.h"
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#include "LddAsyncRequest.h"
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/**
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* DLddAsyncRequest constructor
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*
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* @param TInt aFunctionId - functionId
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* @param TRequestStatus* aStatus for signalling upon completion
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* @param MAsyncRequestObserver& aObserver - observer recieves notification upon completion
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*
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* @return N/A
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*
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* @leave N/A
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*/
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DLddAsyncRequest::DLddAsyncRequest(TInt aFunctionId, TRequestStatus* aStatus, MAsyncRequestObserver& aObserver)
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: iFunctionId(aFunctionId)
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, iStatus(aStatus)
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, iObserver(aObserver)
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, iError(KErrNone)
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{
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}
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/**
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* Destructor
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*
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* @return N/A
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*
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* @leave N/A
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*/
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DLddAsyncRequest::~DLddAsyncRequest()
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{
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}
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/**
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* Get the error code for this request
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*
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*
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* @return TInt the error code
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*
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* @leave N/A
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*/
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TInt DLddAsyncRequest::Error()
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{
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return iError;
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}
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/**
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* Get the function Id for this request
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*
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* @return TInt the function Id
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*
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* @leave N/A
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*/
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TInt DLddAsyncRequest::FunctionId()
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{
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return iFunctionId;
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}
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/**
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* Get the status of this request
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*
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*
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* @return TRequestStatus status of the request
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*
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* @leave N/A
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*/
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TRequestStatus* DLddAsyncRequest::Status()
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{
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return iStatus;
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}
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///////////////////////////////////////////////////////////////////////
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//////////////////// DMmcSessionAsyncRequest //////////////////////////
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///////////////////////////////////////////////////////////////////////
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/**
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* DMmcSessionAsyncRequest Constructor
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*
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* @param TInt aFunctionId - functionId
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* @param TRequestStatus* aStatus for signalling upon completion
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* @param MAsyncRequestObserver& aObserver - observer recieves notification upon completion
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* @param TDynamicDfcQue* aDfcQ - pointer to dfc queue,
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* @param DMMCStack& aStack stack upon which this request will operate
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* @param TMMCard& aCard multimedia card upon which this request will operate
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*
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*
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* @return N/A
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*
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* @leave N/A
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*/
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DMmcSessionAsyncRequest::DMmcSessionAsyncRequest(TInt aFunctionId, TRequestStatus* aStatus,
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MAsyncRequestObserver& aObserver, TDynamicDfcQue* aDfcQ, DMMCStack& aStack, TMMCard& aCard)
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: DLddAsyncRequest(aFunctionId, aStatus, aObserver)
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, iSession(NULL)
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, iSessionEndCallBack(DMmcSessionAsyncRequest::SessionEndCallBack, this)
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, iSessionEndDfc(DMmcSessionAsyncRequest::SessionEndDfc, this, 1)
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, iClientDesPtr(NULL)
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, iBlkOffet(0)
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, iBuf(NULL)
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{
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TInt bufLen;
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TInt minorBufLen;
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aStack.BufferInfo(iBuf, bufLen, minorBufLen);
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iSession = aStack.AllocSession(iSessionEndCallBack);
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iSession->SetStack(&aStack);
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iSession->SetCard(&aCard);
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iSessionEndDfc.SetDfcQ(aDfcQ);
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Reset();
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}
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/**
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* Destructor
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*
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* @return N/A
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*
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* @leave N/A
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*/
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DMmcSessionAsyncRequest::~DMmcSessionAsyncRequest()
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{
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Reset();
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delete iSession;
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}
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void DMmcSessionAsyncRequest::Reset()
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{
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MMCSDLOG("iSessionEndDfc.Cancel() called");
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iSessionEndDfc.Cancel();
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}
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/**
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* Gets the async requests DMMCSession
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*
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* @return reference to the DMMCSession
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*
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* @leave N/A
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*/
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DMMCSession& DMmcSessionAsyncRequest::Session()
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{
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return *iSession;
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}
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/**
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* The session end callback (static)- called when and engaged session completes
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*
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* @param TAny* in this case this will be a pointer to the DMmcSessionAsyncRequest
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*
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* @return void
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*
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* @leave N/A
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*/
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void DMmcSessionAsyncRequest::SessionEndCallBack(TAny *aPtr)
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{
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((DMmcSessionAsyncRequest*)aPtr)->SessionEndCallBack();
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}
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/**
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* Utility function called from static overload SessionEndCallBack(TAny*)
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*
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* @return void
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*
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* @leave N/A
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*/
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void DMmcSessionAsyncRequest::SessionEndCallBack()
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{
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MMCSDLOG("DMmcSessionAsyncRequest::SessionEndCallBack called");
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iError = iSession->EpocErrorCode();
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if (NKern::CurrentContext()==NKern::EInterrupt)
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{
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iSessionEndDfc.Add();
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}
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else
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{
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// Signal request complete using DFC
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if (!iSessionEndDfc.Queued())
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{
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iSessionEndDfc.Enque();
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}
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}
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}
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/**
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* Session deferred function call (static)
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*
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* @param TAny* in this case this will be a pointer to the DMmcSessionAsyncRequest
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*
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* @return void
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*
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* @leave N/A
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*/
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void DMmcSessionAsyncRequest::SessionEndDfc(TAny *aPtr)
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{
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((DMmcSessionAsyncRequest*) aPtr)->SessionEndDfc();
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}
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/**
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* Utility function called from static overload SessionEndDfc(TAny*)
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*
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* @return void
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*
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* @leave N/A
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*/
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void DMmcSessionAsyncRequest::SessionEndDfc()
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{
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MMCSDLOG2("DLddAsyncRequest::SessionEndDfc called err(%d)", iError);
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iObserver.Notify(*this);
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MMCSDLOG("DLddAsyncRequest::SessionEndDfc finished");
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}
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/**
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* DBusEventRequest constructor
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*
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* @param TInt aFunctionId - Function ID
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* @param TRequestStatus* aStatus - Request Status
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* @param MAsyncRequestObserver& aObserver - Asynchronous Request observer interface
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* @param TInt aUnit - Socket ID
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*
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* @return N/A
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*
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* @leave N/A
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*/
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DBusEventRequest::DBusEventRequest(TInt aFunctionId, TRequestStatus* aStatus, MAsyncRequestObserver& aObserver, TInt aUnit,
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TDynamicDfcQue* aDfcQ, DMMCStack& aStack, TMMCard& aCard)
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: DMmcSessionAsyncRequest(aFunctionId, aStatus, aObserver, aDfcQ, aStack, aCard)
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, iBusEventCallBack(DBusEventRequest::BusEventCallBack, this)
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{
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iBusEventCallBack.SetSocket(aUnit);
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iBusEventCallBack.Add();
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}
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/**
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* Destructor
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*
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* @return N/A
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*
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* @leave N/A
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*/
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DBusEventRequest::~DBusEventRequest()
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{
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iBusEventCallBack.Remove();
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}
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/**
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* Callback when request has completed
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*
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* @param TAny* aPtr - Pointer to the bus event request
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* @param TInt aReason - Completion error code
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* @param TAny* a1 - Given parameter
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* @param TAny* a2 - Given parameter
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*
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* @return N/A
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*
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* @leave N/A
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*/
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void DBusEventRequest::BusEventCallBack(TAny* aPtr, TInt aReason, TAny* a1, TAny* a2)
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{
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((DBusEventRequest*)aPtr)->BusEventCallBack(aReason, a1, a2);
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}
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/**
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* Callback when request has completed
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*
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* @param TInt aReason - Completion error code
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* @param TAny* a1 - Given parameter
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* @param TAny* a2 - Given parameter
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*
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* @return N/A
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*
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* @leave N/A
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*/
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void DBusEventRequest::BusEventCallBack(TInt aReason, TAny* a1, TAny* a2)
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{
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MMCSDLOG("DBusEventRequest::BusEventCallBack called");
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iError = aReason;
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iBusState = (TPBusState)((TInt) a1);
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iBusError = (TInt) a2;
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MMCSDLOG4("DBusEventRequest::BusEventCallBack iBusState(%d) iBusError(%d) iError(%d)", iBusState, iBusError, iError);
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iObserver.Notify(*this);
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MMCSDLOG("DBusEventRequest::BusEventCallBack finished");
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}
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