/*

* Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* 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:

*

*

*/

#ifndef _WSOCK_INTERFACE_H_

#define _WSOCK_INTERFACE_H_

#include <nifif.h>

#include <nifagt.h>

#include "WinsockUid.h"

const TInt KWinsockInterfaceSignature = KWinsockInterfaceUid;

class CWinsockInterface : public CNifIfLink, 

                          public MNifAgentExtendedManagementInterface

{

private:

    class CallbackQueueEntry;

    typedef void (CWinsockInterface::*CallbackMethod)(TInt aArg1, TInt aArg2);

private:

    TInt iSignature;

    TUint iBytesSent;

    TUint iBytesReceived;

    TUint iBytesSentMark;

    TUint iBytesReceivedMark;

    TUint iBytesSentGranularity;

    TUint iBytesReceivedGranularity;

    TTime iTimeStarted;

    TSglQue<CallbackQueueEntry> iCallbackQueue;

    CAsyncCallBack iCallback;

public:

    CWinsockInterface(CNifIfFactory* aFactory, MNifIfNotify* aNotify);

    ~CWinsockInterface();

    TInt Signature() const;

    void DataSent(TUint aBytes);

    void DataReceived(TUint aBytes);

    // CNifIfLink

    virtual TInt Start();

    virtual void Stop(TInt aReason, MNifIfNotify::TAction aAction);

    virtual CNifIfBase* GetBinderL(const TDesC& aName);

    // CNifIfBase

    virtual void Info(TNifIfInfo& aInfo) const;

    virtual TInt Send(RMBufChain& aPdu, TAny* aSource);

    virtual TInt Notification(TAgentToNifEventType aEvent, void * aInfo);

    virtual TInt Control(TUint aLevel,TUint aName,TDes8& aOption,TAny* aSrc);

    // MNifIfExtendedManagementInterface

    virtual TInt Stop(TSubConnectionUniqueId aSubConnectionId, TInt aReason);

    virtual TInt GetDataTransferred(TSubConnectionUniqueId aSubConnectionId, TUint& aSentBytes, TUint& aReceivedBytes);

    virtual TInt SetDataSentNotificationGranularity(TSubConnectionUniqueId aSubConnectionId, TUint aGranularity);

    virtual TInt CancelDataSentNotification(TSubConnectionUniqueId aSubConnectionId);

    virtual TInt SetDataReceivedNotificationGranularity(TSubConnectionUniqueId aSubConnectionId, TUint aGranularity);

    virtual TInt CancelDataReceivedNotification(TSubConnectionUniqueId aSubConnectionId);

    // MNifAgentExtendedManagementInterface

    virtual TInt GetInterfaceType(TConnectionType& aConnectionType);

    virtual TInt EnumerateSubConnections(TUint& aCount);

    virtual TInt GetSubConnectionInfo(TUint aIndex, TDes8& aSubConnectionInfo);

    virtual TInt GetSubConnectionInfo(TDes8& aSubConnectionInfo);

private:

    // Operations on asynchronous event queue

    static TInt AsyncCallbackProc(TAny* aPtr);

    void HandleAsyncCallback();

    void ScheduleAsyncCallback(CallbackMethod aMethod, TInt aP1=0, TInt aP2=0);

    void CancelOutstandingCallbacks();

    // Asynchronous callbacks that fire various interface-related events

    void NotifyLinkLayerUp(TInt aParam1, TInt aParam2);

    void NotifyLinkLayerOpen(TInt aParam1, TInt aParam2);

    void NotifySubConnectionOpened(TInt aParam1, TInt aParam2);

    void NotifySubConnectionClosed(TInt aParam1, TInt aParam2);

    void NotifyLinkLayerDown(TInt aParam1, TInt aParam2);

    void NotifyLinkLayerClosed(TInt aParam1, TInt aParam2);

};

#endif // _WSOCK_INTERFACE_H_

/*

 * Local Variables:

 * mode: c++

 * c-basic-offset: 4

 * indent-tabs-mode: nil

 * End:

 */