TB10.1 Example Applications: examples/Base/IPC/AdvancedClientServerExample/ProcessServer/inc/processserversession.h Source File

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 __PROCESSSERVERSESSION_H__
+00017 #define __PROCESSSERVERSESSION_H__
+00018 
+00019 #include <e32base.h>
+00020 #include <e32std.h>
+00021 #include "processserver.h"
+00022 
+00023 
+00024 const TInt KMaxAsyncRequests = 4;
+00025 class CProcessServer;
+00029 class CProcessServerSession : public CSession2
+00030         {
+00031 public:
+00032         static CProcessServerSession* NewL(CProcessServer& aServer);
+00033         ~CProcessServerSession();
+00034         void CreateL();// Create a server-side client session
+00035         void ServiceL(const RMessage2& aMessage);// Handles the client request
+00036         
+00037         
+00038 private:
+00039         CProcessServerSession(CProcessServer& aServer);
+00040         void ConstructL();
+00041         
+00042         // Active object class for asynchronous requests
+00043         class CAsyncHandler : public CActive 
+00044                 {
+00045         public:
+00046                 static CAsyncHandler* NewL(CProcessServer& aServer);
+00047                 ~CAsyncHandler();
+00048                 
+00049                  //Store async request in message array
+00050                 TInt ProcessRequest(const RMessage2& aMessage);
+00051         private:
+00052 
+00053                 CAsyncHandler(CProcessServer& aServer);
+00054                 void ConstructL();
+00055                 
+00056                 // CActive implementation
+00057                 void RunL();
+00058                 void DoCancel();
+00059                         
+00060                 TInt ExecuteFirstRequestInArray();// Execute messages in array
+00061                 
+00065                 class TMessage
+00066                         {
+00067                 public:
+00068                         const RMessage2& Message() const;       // getter
+00069                         RMessage2& Message();                           // setter
+00070                 private:
+00071                         RMessage2 iMessage;
+00072                         };
+00073                 
+00074                 void Complete(TInt aResult);
+00075                 
+00076         private:
+00077                 RArray<TMessage>                iMessageArray;
+00078                 CProcessServer&                 iServer;
+00079                 };
+00080         
+00081 private:
+00082         CProcessServer& iServer;
+00083         CAsyncHandler*  iAsyncRequestHandler;
+00084         
+00085         };
+00086 
+00087 #endif
+