--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/connectivitylayer/isce/isaaccessextension_dll/inc/internalapi.h	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,165 @@
+/*
+* 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 MDATAMESSAGESTATUS_H
+#define MDATAMESSAGESTATUS_H
+
+class MDataMessageStatus
+    {
+
+   public:
+
+    /*
+    * Called when datamessage is delivered to client.
+    * @param none
+    * @return void
+    */
+    virtual void DataMessageDelivered() = 0;
+
+    };
+
+#endif // MDATAMESSAGESTATUS_H
+
+
+#ifndef MIAD2CHANNEL_H
+#define MIAD2CHANNEL_H
+
+#include "iadinternaldefinitions.h"    // For TIADConnectionStatus
+//#include "mist2iadapi.h"  // For TIADConnectionStatus // 
+
+// abstract interface for both channels user & kernel 
+// called by extension, provided by extension
+class MIAD2ChannelApi // TODO: MDataRx2ChannelApi?
+    {
+    
+    public:
+
+    /*
+    * Complete async request with given params.
+    * @param TInt aRequest, request to complete.
+    * @param TInt aStatusToComplete, status of the request to complete.
+    * @return void
+    */  
+    virtual void CompleteChannelRequest( TInt aRequest, TInt aStatusToComplete ) = 0;
+    
+    /*
+    * Info channel about the connection status.
+    * @param TIADConnectionStatus aStatus, new connection status
+    * @return void
+    */
+    virtual void NotifyConnectionStatus( TIADConnectionStatus aStatus ) = 0;
+
+    /*
+    * Info channel about the flowcontorl status.
+    * @param TIADFlowControlStatus aStatus, new flow control status
+    * @return void
+    */    
+    virtual void NotifyFlowCtrl( TIADFlowControlStatus aStatus) = 0;
+
+    // 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
+
+    /*
+    * Give channel a reference to received data message.
+    * @param const TDesC8& aDataMessage
+    * @return void
+    */        
+    virtual void ReceiveDataMsg( const TDesC8& aDataMessage ) = 0;
+
+    /*
+    * Give channel a reference to received message.
+    * @param const TDesC8& aMessage
+    * @return void
+    */    
+    virtual void ReceiveMsg( const TDesC8& aMessage ) = 0;
+
+    /*
+           * Register pep associated to this channel to listen data message deliveries.
+    * @param MDataMessageStatus& aPep
+    * @return void
+    */    
+    virtual void RegisterPep( MDataMessageStatus& aPep ) = 0;
+
+    };
+
+#endif // MIAD2CHANNEL_H
+
+#ifndef MCHANNEL2IADAPI_H
+#define MCHANNEL2IADAPI_H
+
+// abstract inteface for LDD to access Extension services
+// *called by LDD
+// *provided from extension
+// *must take care of syncronization, LDD and kernel channels using this
+class MChannel2IADApi
+    {
+
+    public:
+
+    /*
+    * Allocate a block. Descriptors length is set to aSize, but MaxLength can
+    * can be bigger, depends on memory block configurations.
+    * @param const TUint16 aSize
+    * @return TDes8&
+    */      
+    virtual TDes8& AllocateBlock( const TUint16 aSize ) = 0;
+
+    virtual TDes8& AllocateDataBlock( const TUint16 aSize ) = 0;
+
+    virtual void Close( const TUint16 aChannel ) = 0;
+
+    virtual void DeAllocateBlock(TDes8& aBlock) = 0;
+
+    virtual TInt GetConnectionStatus() = 0;
+  
+    virtual TInt GetFlowControlStatus() = 0;
+
+    virtual TInt GetMaxDataSize() = 0;
+
+    virtual void Open( const TUint16 aChannel, const TUint16 aRequest, MIAD2ChannelApi* aCallback ) = 0;
+
+    virtual void Open( const TUint16 aChannel, const TUint16 aRequest, const TDesC8& aOpenInfo, MIAD2ChannelApi* aCallback ) = 0;
+
+    virtual TInt OrderIndication( TDes8& anOrder, const TUint16 aCh, const TBool a32Bit = EFalse ) = 0;
+
+    virtual TInt SendMessage( TDes8& aMessage, const TUint16 aCh ) = 0;
+
+    /*
+    * Sends an ISI indication message.
+    * @param TDes8& aMessage, indication message
+    * @param const TUint16 aCh, sender channels id.
+    * @return TInt, KErrNone if send succesfull.
+    */
+    virtual TInt SendIndication( TDes8& aMessage, const TUint16 aCh ) = 0;
+
+#if (NCP_COMMON_SOS_VERSION_SUPPORT >= SOS_VERSION_95)
+    virtual TInt Loan( const TUint16 aChannel, const TUint16 aRequest,
+                       MIAD2ChannelApi* aCallback ) = 0;
+
+    virtual TInt ReturnLoan( const TUint16 aChannel, const TUint16 aRequest,
+                             MIAD2ChannelApi* aCallback ) = 0;
+#endif
+
+    };
+
+#endif // MCHANNEL2IADAPI_H
+