diff -r 000000000000 -r 4e1aa6a622a0 dosservices/commondsy/inc/CDSYMessageBufferItem.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dosservices/commondsy/inc/CDSYMessageBufferItem.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,166 @@
+/*
+* Copyright (c) 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:  Declaration of CCDSYMessageBufferItem class
+*
+*/
+
+
+#ifndef CDSYMESSAGEBUFFERITEM_H
+#define CDSYMESSAGEBUFFERITEM_H
+
+// INCLUDES
+#include <e32base.h>
+
+
+
+// CONSTANTS
+// MACROS
+// DATA TYPES
+// FUNCTION PROTOTYPES
+// FORWARD DECLARATIONS
+class CCDSYController;
+class TCDSYMessage;
+class CCDSYDOSServerRequestManager;
+
+
+
+/**
+*  CCDSYMessageBufferItem
+*  This class implements the CCDSYMessageBufferItem, which keeps the DSY message in buffer and waits for the response.
+*/
+NONSHARABLE_CLASS( CCDSYMessageBufferItem ): public CBase
+    {
+    public:
+        /**
+        * Destructor.
+        */
+        ~CCDSYMessageBufferItem();
+
+        /**
+        * Creates a new instance of CCDSYMessageBufferItem.
+        * @param CCDSYController& aCDSYController                           Reference to CCDSYController.
+        * @param CCDSYDOSServerRequestManager& aCDSYDOSServerRequestManager Reference to CCDSYDOSServerRequestManager.
+        * @param TCDSYMessage& aCDSYMessage                                 Reference to the message to be sent.
+        * @return static CCDSYMessageBufferItem*                            Pointer to instance of CCDSYMessageBufferItem.
+        */
+        static CCDSYMessageBufferItem* NewL( CCDSYController& aCDSYController, CCDSYDOSServerRequestManager& aCDSYDOSServerRequestManager, TCDSYMessage& aCDSYMessage );
+
+        /**
+        * Creates a new instance of CCDSYMessageBufferItem.
+        * @param CCDSYController& aCDSYController                           Reference to CCDSYController.
+        * @param CCDSYDOSServerRequestManager& aCDSYDOSServerRequestManager Reference to CCDSYDOSServerRequestManager.
+        * @param TCDSYMessage& aCDSYMessage                                 Reference to the message to be sent.
+        * @param RMessagePtr2 aMessage                                      Client/server message.
+        * @return static CCDSYMessageBufferItem*                            Pointer to instance of CCDSYMessageBufferItem.
+        */
+        static CCDSYMessageBufferItem* NewL( CCDSYController& aCDSYController, CCDSYDOSServerRequestManager& aCDSYDOSServerRequestManager, TCDSYMessage& aCDSYMessage, RMessagePtr2 aMessage );
+        
+        /**
+        * Sends the message to the controller and waits for the response.
+        * @return void
+        */
+        void SendMessageL();
+
+        /**
+        * Processes the response to the message sent.
+        * @param const TCDSYMessage& aCDSYMessage   Reference to CCDSYMessage to be sent.
+        * @return void 
+        */
+        void ProcessResponseL( const TCDSYMessage& aCDSYMessage );
+
+        /**
+        * Cancels the Async command.
+        * @param TInt aReason   Cancel reason.
+        * @return void 
+        */
+        void CancelAsyncCommand( TInt aReason ) const;
+
+        /**
+        * Returns the messages transaction ID.
+        * @return TUint32       Transaction ID.
+        */
+        inline TUint32 TransactionID() const
+            {
+            return iTransactionID;
+            }
+
+        /**
+        * Returns if the message is Async.
+        * @return TBool         Async flag.
+        */
+        inline TBool IsAsyncMessage()
+            {
+            return !iClientServerMessage.IsNull();
+            }
+
+    private:
+        /**
+        * Constructor.
+        * @param CCDSYController& aCDSYController                           Reference to CCDSYController.
+        * @param CCDSYDOSServerRequestManager& aCDSYDOSServerRequestManager Reference to CCDSYDOSServerRequestManager.
+        * @param TCDSYMessage& aCDSYMessage                                 Reference to the message to be sent.
+        */
+        CCDSYMessageBufferItem( CCDSYController& aCDSYController, CCDSYDOSServerRequestManager& aCDSYDOSServerRequestManager, TCDSYMessage& aCDSYMessage );
+
+        /**
+        * 2nd phase constructor.
+        * @return void 
+        */
+        void ConstructL();
+
+        /**
+        * Starts waiting for the resopnse to the message.
+        * @return void 
+        */
+        void BeginActiveWait();
+
+        /**
+        * Ends the waiting for the response to the message.
+        * @return void 
+        */
+        void EndActiveWait();
+
+        /**
+        * Timer callback function.
+        * @param TAny* aPtr     Pointer to data.
+        * @return static TInt   Error code.
+        */
+        static TInt NotifyTimerCallback( TAny* aPtr );
+
+        /**
+        * Timer callback function.
+        * @return void 
+        */
+        void DoNotifyTimerCallbackL();
+
+    private:
+        CCDSYController& iCDSYController;                           // Reference to CCDSYController
+        CCDSYDOSServerRequestManager& iCDSYDOSServerRequestManager; // Request manager
+        TCDSYMessage* iCDSYMessage;                                 // Message in buffer
+        HBufC8* iMessageData;                                       // Messages data
+        TBool iMessageOwned;                                        // The owned flag tells the destructor that the message needs to be deleted
+        TBool iActiveWait;                                          // Wait boolean flag
+        CActiveSchedulerWait iWait;                                 // Wait object
+        CPeriodic* iTimer;                                          // Expiration timer
+        TUint32 iTransactionID;                                     // Messages transaction ID
+        RMessagePtr2 iClientServerMessage;                          // Async message
+    };
+
+
+
+#endif //#ifndef CDSYMESSAGEBUFFERITEM_H
+
+
+
+//  End of File