sl@0: /*
sl@0: * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: * Defines the client-side classes which other client-side handles
sl@0: * derive from to use the SCS functionality.
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @publishedAll
sl@0:  @released
sl@0: */
sl@0: 
sl@0: #ifndef SCSCLIENT_H
sl@0: #define SCSCLIENT_H
sl@0: 
sl@0: #include <e32std.h>
sl@0: 
sl@0: 
sl@0: class RScsClientBase : public RSessionBase
sl@0: /**
sl@0: 	Provides functionality to connect to the server, starting
sl@0: 	the server process if necessary.  This class cannot be used
sl@0: 	directly - the SCS implementor must define a subclass.
sl@0:  */
sl@0: 	{
sl@0: public:
sl@0: 	IMPORT_C void Close();
sl@0: 	IMPORT_C TInt SetServerHeapFail(TInt aRate);
sl@0: 	IMPORT_C TInt ResetServerHeapFail();
sl@0: 
sl@0: 	IMPORT_C TInt ShutdownServer();
sl@0: 	
sl@0: protected:
sl@0: 	IMPORT_C RScsClientBase();
sl@0: 	IMPORT_C TInt Connect(
sl@0: 		const TDesC& aSvrName, const TVersion& aReqVer, const TDesC& aExeName, const TUidType& aFullExeUid);
sl@0: 
sl@0: 	IMPORT_C TInt CallSessionFunction(TInt aFunction) const;
sl@0: 	IMPORT_C TInt CallSessionFunction(TInt aFunction, const TIpcArgs& aArgs) const;
sl@0: 	IMPORT_C void CallSessionFunction(TInt aFunction, const TIpcArgs& aArgs, TRequestStatus& aStatus) const;
sl@0: 	IMPORT_C void CancelSessionFunction(TInt aFunction) const;
sl@0: 	
sl@0: private:
sl@0: 	TInt StartServerProcess(const TDesC& aExeName, const TUidType& aFullExeUid);	
sl@0: 	};
sl@0: 
sl@0: class RScsClientSubsessionBase : public RSubSessionBase
sl@0: /**
sl@0: 	This class is used to send messages to server-side SCS subsessions.
sl@0: 	This class cannot be used directly - the implementor must define a
sl@0: 	subclass.
sl@0:  */
sl@0: 	{
sl@0: public:
sl@0: 	IMPORT_C void Close();
sl@0: 
sl@0: protected:
sl@0: 	IMPORT_C RScsClientSubsessionBase();
sl@0: 	IMPORT_C TInt CreateSubsession(const RScsClientBase& aSession, TInt aFunction, const TIpcArgs& aArgs);
sl@0: 
sl@0: 	IMPORT_C TInt CallSubsessionFunction(TInt aFunction) const;
sl@0: 	IMPORT_C TInt CallSubsessionFunction(TInt aFunction, const TIpcArgs& aArgs) const;
sl@0: 	IMPORT_C void CallSubsessionFunction(TInt aFunction, const TIpcArgs& aArgs, TRequestStatus& aStatus) const;
sl@0: 	IMPORT_C void CancelSubsessionFunction(TInt aFunction) const;
sl@0: 	};
sl@0: 
sl@0: #endif	// #ifndef SCSCLIENT_H
sl@0: