--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/isce/isaaccessextension_dll/inc/isakernelchannel.h	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,121 @@
+/*
+* 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 the License "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: 
+*
+*/
+
+
+
+#ifndef DISAKERNELCHANNEL_H
+#define DISAKERNELCHANNEL_H
+
+#include <e32def.h>             // For TInt, TAny
+#include <e32cmn.h>             // For TDesC8, 
+#include <dfcs.h>               // For TDfc
+#include "internalapi.h"        // For MIAD2ChannelApi, MChannel2IADApi
+
+class DExtensionAPI;
+class DQueue;
+
+NONSHARABLE_CLASS( DISAKernelChannel ) : public MIAD2ChannelApi
+    {
+    
+    public:
+    DISAKernelChannel();
+    ~DISAKernelChannel();
+  
+    // Handles request according to enumeration fromm DIsaKernelApi
+    // TInt HandleRequest( const TUint16 aRequest, TAny* aParams );
+    TInt HandleRequest( TThreadMessage& aMsg );
+
+    // From MIAD2ChannelApi
+    
+    /*
+    * @param aStatus, connection status
+    * @return void
+    */
+    void NotifyConnectionStatus( TIADConnectionStatus aStatus );
+
+    void ReceiveMsg( const TDesC8& aMessage );
+
+    // Register pep associated to this channel to listen data message
+    // deliveries.
+    void RegisterPep( MDataMessageStatus& aPep );
+
+    // When data message is written to user thread call
+    // MDataMesssageStatus::DataMessageDelivered. It's responsibility is to
+    // tell PEP that one data message e.g.a credit is used. PEP's should also
+    // keep count of data messages added to channel to be abel to control the
+    // legacy flowcontrol
+    void ReceiveDataMsg( const TDesC8& aDataMessage );
+
+    void NotifyFlowCtrl( TIADFlowControlStatus aStatus );
+
+    void CompleteChannelRequest( TInt aRequest, TInt aStatusToComplete );
+    
+    inline TUint8 GetChannelNumber(){ return iChannelNumber; };
+    // MIAD2ChannelApi end
+
+    private:
+
+        void Close( const TUint16 aChannelId );
+
+        static void MsgQDfc( TAny* aPtr );
+
+        void HandleThreadMsg( TThreadMessage& aMsg );
+
+        void HandleDfcRequest( TThreadMessage& aMsg );
+
+        TInt HandleSyncRequest( TThreadMessage& aMsg );
+
+        void DoCancel( TInt aRequest, TInt aMask );
+
+        // TODO: unique??
+        void ResetQueues();
+
+        static void EmptyRxDfc( TAny* aPtr );
+
+        static void EmptyDataRxDfc( TAny* aPtr );
+
+        // Checking context.
+        void CheckDfc();
+
+  private:
+
+    class TIADKernelAsyncRequest
+        {
+        public:
+           TDfc* iDfcFunction;
+           TInt* iRequestStatus;
+        };
+
+    TUint16                 iChannelNumber;
+    // owned    
+    DQueue*                 iRx;
+    DQueue*                 iDataRx;
+    TDes8**                 iPtrPtrToRxBuf;
+    TDes8**                 iPtrPtrToDataRxBuf;
+    TDfc*                   iEmptyRxDfc;
+    TDfc*                   iEmptyDataRxDfc;
+    // not owned, just using
+    MDataMessageStatus*     iPep;
+    MChannel2IADApi*        iExtensionApi;
+    TIADKernelAsyncRequest  iRequests[ EIADAsyncLast ]; // TODO: the amount of kernel request.
+    TMessageQue             iKernelChMsgQue;
+
+    };
+
+
+
+#endif /* DISAKERNELCHANNEL_H */