/*

* 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 CMODEMATPIPECONTROLLER_H

#define CMODEMATPIPECONTROLLER_H

#include <e32base.h>

#include "cmodemathandler.h" //KMaxDteIdCount

class TPipeInfo

{

public:

    enum EPipeState 

        {

        EPipeCreated = 0,

        EPipeRedirected,

        EPipeEnabled,

        EPipeDisabled,

        EPipeRemoving,

        EPipeNoPipe

        };

    TInt iHandle;

    TUint8 iFirstObjId;

    TUint8 iFirstDevId;

    TUint8 iSecondObjId;

    TUint8 iSecondDevId;

    EPipeState iPipeState;

};

/**

*   CModemAtPipeController receives ISI-messages from CModemAtHandler. CModemAtPipeController creates, 

*   redirects and removes pipes.  

*/

class CModemAtPipeController : public CBase 

    {

public:

    static CModemAtPipeController* NewL( RIscApi& aIscApi, TUint& aObjId, CModemAtHandler& aHandler );

    ~CModemAtPipeController();

#ifndef NCP_COMMON_BRIDGE_FAMILY

    /*

     * Handles messages from PN_NAME

     * @param TIsiReceiveC& aReceivedMessage Message data

     */

    void HandleNameServiceMessage( const TIsiReceiveC& aReceivedMessage );

    /*

     * Handles messages from PN_

     * @param TIsiReceiveC& aReceivedMessage Message data

     */

    void HandlePipeServiceMessage( const TIsiReceiveC& aReceivedMessage );

    /**

     * Removes pipe.

     * @param TUint8 aDteId Connection DteId   

     */

    void RemovePipe( const TUint8 aDteId);

    /**

      * Redirects pipe

      * @param TUint8 aDteId Connection DteId   

      * @param TUint8 aNewDevId New PEP

      * @param TUint8 aNewObjId New PEP

      */

    void RedirectPipe( const TUint8 aDteId, const TUint8 aNewDevId, const TUint8 aNewObjId );

    /**

      * Links dteId to created Pipe

      * @param TUint8 aDteId Connection DteId   

      */

    void LinkDteIdToPipe( const TUint8 aDteId );

    /**

     * Queries AT MODEM object id. 

     */

#endif

private:

    /**

     * Default C++ constructor.

     * @param None

     * @return

     */

    CModemAtPipeController( RIscApi& aIscApi, TUint& aObjId, CModemAtHandler& aHandler );

    /**

     *  Used to send At command to modem

     *  @param

     *  @return Send status

     */

    void ConstructL();

#ifndef NCP_COMMON_BRIDGE_FAMILY

    /**

     * Handles MatchDataportName 

     * @param TUint aName

     */

    TUint MatchDataportName( TUint aName );

    /**

     * Handles PNS_NAME_ADD_IND 

     * @param TIsiReceiveC& aReceivedMessage Message data 

     */

    void HandleNameAddInd( const TIsiReceiveC& aReceivedMesssage );

    /**

     * Handles PNS_NAME_REMOVE_IND 

     * @param TIsiReceiveC& aReceivedMessage Message data 

     */

    void HandleNameRemoveInd( const TIsiReceiveC& aReceivedMesssage );

    /**

     * Handles PNS_NAME_QUERY_RESP 

     * @param TIsiReceiveC& aReceivedMessage Message data 

     */

    void HandleNameQueryResp( const TIsiReceiveC& aReceivedMesssage );

    /**

     * Handles PNS_PIPE_CREATE_RESP 

     * @param TIsiReceiveC& aReceivedMessage Message data 

     */

    void HandlePipeCreateResp( const TIsiReceiveC& aReceivedMessage );

    /**

     * Handles PNS_PIPE_REDIRECT_RESP 

     * @param TIsiReceiveC& aReceivedMessage Message data 

     */

    void HandlePipeRedirectResp( const TIsiReceiveC& aReceivedMessage );

    /**

     * Handles PNS_PIPE_REMOVE_RESP 

     * @param TIsiReceiveC& aReceivedMessage Message data 

     */

    void HandlePipeRemoveResp( const TIsiReceiveC& aReceivedMessage );

    /**

     * Handles PNS_PIPE_ENABLE_RESP 

     * @param TIsiReceiveC& aReceivedMessage Message data 

     */

    void HandlePipeEnabledResp( const TIsiReceiveC& aReceivedMessage );

    /**

     * Handles PNS_PEP_STATUS_IND

     * @param TIsiReceiveC& aReceivedMessage Message data 

     */

    void HandlePepStatusInd( const TIsiReceiveC& aReceivedMessage );

    /**

     * Sends PNS_PIPE_CREATE_REQ

     * @param TUint8 aDevId New PEP

     * @param TUint8 aObjId New PEP

     */

    void SendCreatePipeMessage(const TUint8 aDevId, const TUint8 aObjId);

    /**

     * Sends PNS_PIPE_REMOVE_REQ

     * @param TUint8 aPipeHandle Pipehandle

     */

    void SendRemovePipeReq( const TUint8 aPipeHandle );

    /**

     * Sends PNS_PIPE_ENABLE_REQ

     * @param TUint8 aPipeHandle Pipehandle

     */

    void SendEnablePipeReq( const TUint8 aPipeHandle);

    /**

     * Finds dteid of pipe

     * @param const TInt aHandle pipe handle

     */

    TInt FindDteId( const TInt aHandle );

    /**

     * ChangePipeState

     * @param const TInt aDteId

     * @param TPipeInfo::EPipeState aState

     */

    void ChangePipeState( const TInt aDteId, TPipeInfo::EPipeState aState );

#endif

private:

    RIscApi& iIscApi;

    TUint iModemAtObjId;            //Modem AT Controller Obj-id

    TUint iModemAtDevId;            //Modem AT Controller device-id

    TInt  iPipeHandle;              //handle of created pipe 

    TUint iDataportDevId;           //Dataport device-id

    TUint iDataportObjId;           //Dataport obj-id

    TPipeInfo iPipeTable[KMaxDteIdCount];   //created pipes

    CModemAtHandler& iAtHandler;    //forwards AT-commands to the AT MODEM

    CActiveSchedulerWait* iSchedulerWait;

    TUint8 iDteId;                  // temporary dte id for creating the connection

    };

#endif  // CMODEMATPIPECONTROLLER_H