diff -r 000000000000 -r 4e1aa6a622a0 resourcemgmt/hwresourcesmgr/server/src/HWRMService.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/resourcemgmt/hwresourcesmgr/server/src/HWRMService.cpp Tue Feb 02 00:53:00 2010 +0200 @@ -0,0 +1,224 @@ +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + + + + +// INCLUDE FILES +#include "HWRMService.h" +#include "HWRMPluginHandler.h" +#include "HWRMtrace.h" + + +// EXTERNAL DATA STRUCTURES +// None + +// EXTERNAL FUNCTION PROTOTYPES +// None + +// CONSTANTS +// None + +// MACROS +// None + +// LOCAL CONSTANTS AND MACROS +// None + +// MODULE DATA STRUCTURES +// None + +// LOCAL FUNCTION PROTOTYPES +// None + +// FORWARD DECLARATIONS +// None + +// ============================= LOCAL FUNCTIONS =============================== + +// ============================ MEMBER FUNCTIONS =============================== + +// ----------------------------------------------------------------------------- +// CHWRMService::BaseConstructL +// Symbian 2nd phase constructor can leave. +// This method must be called within NewL of the subclass. +// ----------------------------------------------------------------------------- +// +void CHWRMService::BaseConstructL(CHWRMPluginHandler* aPluginHandler, + CHWRMReservationHandler* aReservationHandler) + { + COMPONENT_TRACE3(_L( "HWRM Server - CHWRMService::BaseConstructL(0x%x, 0x%x)" ), aPluginHandler, aReservationHandler ) ; + + if ( !aPluginHandler ) + { + User::Leave(KErrBadHandle); + } + + iPluginHandler = aPluginHandler; + + iTransactionList = CHWRMPluginTransactionList::NewL(); + + iReservationHandler = aReservationHandler; + + COMPONENT_TRACE1(_L( "HWRM Server - CHWRMService::BaseConstructL - return" ) ); + } + +// ----------------------------------------------------------------------------- +// CHWRMService::BaseDestruct +// Cleans up base class. +// ----------------------------------------------------------------------------- +// +void CHWRMService::BaseDestruct() + { + COMPONENT_TRACE1(_L( "HWRM Server - CHWRMService::BaseDestruct()" ) ); + + // No need to destroy iPluginHandler or iReservationHandler, not owned + + // Complete any pending requests + while ( iTransactionList->GetFirstItem() ) + { + COMPONENT_TRACE2(_L( "HWRM Server - CHWRMService::BaseDestruct - Deleting request %d" ), iTransactionList->GetFirstItem()->iTransId ); + THWRMPluginRequestData* data = static_cast(iTransactionList->RemoveFirstItem()); + + if (data->iRequestMessage.Handle()) + { + // Check that this request is not first one of a split request + if ( !data->iSplitCommand || !CheckForMessage(data->iRequestMessage.Handle()) ) + { + COMPONENT_TRACE1(_L( "HWRM Server - CHWRMService::BaseDestruct() - Canceling pending message" ) ); + data->iRequestMessage.Complete(KErrCancel); + } + else + { + COMPONENT_TRACE1(_L( "HWRM Server - CHWRMService::BaseDestruct() - Split request, not canceling message yet" ) ); + } + } + + TRAPD(err, iPluginHandler->CancelCommandL(data->iTransId)); + + if ( err != KErrNone ) + { + COMPONENT_TRACE3(_L( "HWRM Server - CHWRMService::BaseDestruct - Cancelling Command (transid: %d) failed: %d" ), data->iTransId, err ); + } + + delete data; + } + + // Destroy transaction list + delete iTransactionList; + + // NULL things for completeness (and PC-lint) + iTransactionList = NULL; + iPluginHandler = NULL; + iReservationHandler = NULL; + + COMPONENT_TRACE1(_L( "HWRM Server - CHWRMService::BaseDestruct - return" ) ); + } + +// ----------------------------------------------------------------------------- +// CHWRMService::CompleteRequest +// Completes request. Subclass calls this from ProcessResponseL +// ----------------------------------------------------------------------------- +// +TInt CHWRMService::CompleteRequest(TUint8 aTransId, TInt aCompletionCode) + { + return CompleteRequest(aTransId, aCompletionCode, iTransactionList, ETrue); + } + +// ----------------------------------------------------------------------------- +// CHWRMService::CompleteRequest +// Completes request. Subclass calls this from ProcessResponseL +// ----------------------------------------------------------------------------- +// +TInt CHWRMService::CompleteRequest(TUint8 aTransId, TInt aCompletionCode, + CHWRMPluginTransactionList* aTransactionList, TBool aCompleteMsg) + { + // Handle message completion + TInt contextErr(KErrNone); + + THWRMPluginRequestData* data = static_cast( + aTransactionList->FindTransaction( aTransId, ETrue ) ); + + if ( data ) + { + // Message can be completed, if there is one pending + if ( data->iRequestMessage.Handle() ) + { + // Check that this request is not first one of a split request + if ( aCompleteMsg && + ( !data->iSplitCommand || !CheckForMessage( data->iRequestMessage.Handle() ) ) ) + { + COMPONENT_TRACE1( ( _L( "HWRM Server - CHWRMService::CompleteRequest - Completing pending message" ) ) ); + data->iRequestMessage.Complete(aCompletionCode); + } + else + { + COMPONENT_TRACE1( ( _L( "HWRM Server - CHWRMService::CompleteRequest - Split request, not completing message yet" ) ) ); + } + } + else + { + // No else, message has already been completed. + // This happens when command was requested by timer. + COMPONENT_TRACE1( ( _L( "HWRM Server - CHWRMService::CompleteRequest - No message to complete" ) ) ); + } + + // Cleanup data + if(data->iSplitCommandData) + { + COMPONENT_TRACE3( ( _L( "HWRM Server - CHWRMService::CompleteRequest Deleting iSplitCommandData(0x%x) for Id(0x%x)" ) ), data->iSplitCommandData, data->iSplitCommandId ); + delete data->iSplitCommandData; + } + delete data; + data = NULL; + } + else + { + // Unexpected completion, something is amiss. + COMPONENT_TRACE1( ( _L( "HWRM Server - CHWRMService::CompleteRequest - No related transaction data found!" ) ) ); + contextErr = KErrBadHandle; + } + + return contextErr; + } + + +// ----------------------------------------------------------------------------- +// CHWRMService::CheckForMessage +// Checks transaction list if specified message is in any transaction. +// ----------------------------------------------------------------------------- +// +TBool CHWRMService::CheckForMessage(TInt aHandle) + { + COMPONENT_TRACE2(_L( "HWRM Server - CHWRMService::CheckForMessage - Checking for message: 0x%x" ), aHandle ); + + THWRMPluginRequestData* data = static_cast(iTransactionList->GetFirstItem()); + TBool retval(EFalse); + + while ( !retval && data ) + { + if ( data->iRequestMessage.Handle() == aHandle ) + { + retval = ETrue; + } + data = static_cast(data->iNextData); + } + + return retval; + } + +// ========================== OTHER EXPORTED FUNCTIONS ========================= + +// End of File