resourcemgmt/hwresourcesmgr/server/src/HWRMService.cpp
changeset 0 4e1aa6a622a0
child 83 11da52d4c847
--- /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<THWRMPluginRequestData*>(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<THWRMPluginRequestData*>(
+                                            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<THWRMPluginRequestData*>(iTransactionList->GetFirstItem());
+    TBool retval(EFalse);
+    
+    while ( !retval && data )
+        {
+        if ( data->iRequestMessage.Handle() == aHandle )
+            {
+            retval = ETrue;
+            }
+        data = static_cast<THWRMPluginRequestData*>(data->iNextData);
+        }
+        
+    return retval;
+    }
+        
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+//  End of File