examples/Base/IPC/AdvancedClientServerExample/ProcessServer/inc/processserver.h

00001 // Copyright (c) 2007-2009 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 #ifndef __PROCESSSERVER_H__
00017 #define __PROCESSSERVER_H__
00018 
00019 #include <e32base.h>
00020 #include <e32std.h>
00021 #include "shutdownserver.h"
00022 #include "processclientserver.h"
00023 #include "driver1.h"
00024 
00025 class CAsyncHandler; 
00029 class CProcessServer : public CServer2
00030         {
00031 public:
00035         enum TDriverState
00036                 {
00037                 EStateUnknown,
00038                 EDriverLoaded,
00039                 ELogicalChannelOpened,
00040                 ESendingData,
00041                 ELogicalChannelClosed,
00042                 EDriverUnloaded
00043                 };
00047         static void NewLC();
00052         ~CProcessServer();
00057         CSession2* NewSessionL(const TVersion& aVersion,const RMessage2& aMessage) const;
00062         void IncrementRefCount();
00067         void DecrementRefCount();
00071         TInt LoadDevice();
00075         TInt UnloadDevice();
00079         TInt OpenLogicalChannel();
00083         void CloseLogicalChannel();
00087         TInt SendDataToDevice(TRequestStatus& aStatus, const TDesC8& aData);
00091         void CancelSendData();
00095         void UpdateDriverState(TDriverState aState);
00096         
00097 private:
00098         CProcessServer();
00099         void ConstructL();
00100 
00101 private:
00102         TInt                                    iRefCount;
00103         CDelayServerShutDown*   iDelayProcessServerShutDown;
00104         RDriver1                                iDriver;
00105         TDriverState                    iDriverState;
00106         };
00107         
00108 
00109 
00110 #endif
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Copyright ©2010 Nokia Corporation and/or its subsidiary(-ies).
All rights reserved. Unless otherwise stated, these materials are provided under the terms of the Eclipse Public License v1.0.