1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Contents :  fax s/r header file

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalComponent 

    21 */

    22 

    23 #ifndef __FAXMDRV_H

    24 #define __FAXMDRV_H

    25 

    26 // class 1 T.30 frame stuff

    27 

    28 #include "FRAMES.H"

    29 /**

    30 @internalComponent

    31 */

    32 const TInt KDialTimeout (100);

    33 

    34 /********************************************************************/

    35 

    36 // now the CFaxModemDriver abstract class

    37 class CFaxModem;

    38 class CFaxModemDriver : public CBase

    39 /**

    40 @internalComponent

    41 */

    42    {

    43 

    44  public:

    45    static CFaxModemDriver * NewLC (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

    46    static CFaxModemDriver * NewL (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

    47    void ConstructL (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

    48     CFaxModemDriver ();

    49    ~CFaxModemDriver ();

    50 

    51    void GetFaxDataL (TDes8 *);

    52    TInt GetLineL (TUint8 *);

    53    virtual TInt RxConnectL () = 0;

    54    virtual TInt RxPrePageL () = 0;

    55    virtual TInt RxPostPageL () = 0;

    56 

    57    TInt SendFaxDataL (const TDesC8 *);

    58    virtual TInt TxConnectL () = 0;

    59    virtual TInt TxPrePageL () = 0;

    60    virtual TInt TxPostPageL () = 0;

    61 

    62    inline void SetSharedFileHandles(CFaxSharedFileHandles* aSharedHandles) 

    63 	   {

    64 	   iSharedHandles = aSharedHandles;

    65 	   }

    66 

    67  protected:

    68    inline TUint8 Invert (TUint8);

    69    void DialFaxOnDemandL ();

    70    void WriteFaxStoreL (TInt);

    71    TInt RxStartPageL();

    72    TInt TxStartPageL();

    73    void SendFaxHeaderL ();

    74    void padLineL (TInt);

    75    TInt CheckCadenceExportL(const TDesC8 &);

    76 

    77  public:

    78    CFaxModem * iModem;

    79    TFaxServerSessionSettings * iFaxServerSessionSettings;

    80    TInt iRepeatPage;

    81    TTimeIntervalMicroSeconds iCadence;

    82    TTime iTimeOfLastRing;

    83 

    84  protected:

    85    TInt iActualFaxSpeed;

    86    TInt iMinscan;

    87    TInt iMinlinelength;        // worked out from iMinscan and iActualFaxSpeed

    88    TBuf8 < 128 > iResults;

    89    CFaxSharedFileHandles* iSharedHandles;

    90    };

    91 

    92 /********************************************************************/

    93 

    94 // Here we have the derived classes for various types of fax modems

    95 // class one is the only complicated one

    96 

    97 /********************************************************************/

    98 

    99 class CFaxClass1 : public CFaxModemDriver

   100 /**

   101 @internalComponent

   102 */

   103    {

   104 

   105  public:

   106    static CFaxModemDriver * NewL (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

   107    static CFaxModemDriver * NewLC (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

   108 

   109    TInt RxConnectL ();

   110    TInt RxPrePageL ();

   111    TInt RxPostPageL ();

   112    TInt TxConnectL ();

   113    TInt TxPrePageL ();

   114    TInt TxPostPageL ();

   115 

   116  private:

   117    TInt RxPrePollL ();

   118    TInt RxSetHighSpeedL ();

   119    void RxDCNL ();

   120    TInt TxSetHighSpeedL ();

   121    TInt TxDCNL ();

   122 

   123    TInt GetframeL (TDes8 &);

   124    TInt SendframeL (TDes8 &);

   125    TInt GetFramestatL ();

   126    TInt FramestatL ();

   127    TInt FramestatL (TInt);

   128    void ReceiveSilenceL ();

   129    TInt SendCRPL ();

   130    inline void AnalyseDISL ();

   131 

   132    union faxparms iDisFrame;

   133    union faxparms iDcsFrame;

   134    union faxparms iDtcFrame;

   135    TInt iDcsBytes ;

   136    TInt iDisBytes ;

   137    TInt iFcfXbit ;             // the fcf X bit, see T.30/5.3.6.1

   138    TBuf8 < 16 > iModemString;  // HDLC post-frame modem status

   139    TBuf8 < 36 > iOldFrame;     // last frame resend for class 1

   140    TBuf8 < 36 > iFrame;        // current frame data space

   141    };

   142 /********************************************************************/

   143 

   144 class CFaxClass2 : public CFaxModemDriver

   145 /**

   146 @internalComponent

   147 */

   148    {

   149  public:

   150    static CFaxModemDriver * NewL (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

   151    static CFaxModemDriver * NewLC (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

   152 

   153    TInt RxConnectL ();

   154    TInt RxPrePageL ();

   155    TInt RxPostPageL ();

   156    TInt TxConnectL ();

   157    TInt TxPrePageL ();

   158    TInt TxPostPageL ();

   159 

   160  protected:

   161    void ParseResults (TDesC8 &) ;

   162    void ExtractAnswerback (TDesC8 &);

   163    void AnalyseFHNG(void);

   164 

   165    };

   166 /********************************************************************/

   167 

   168 class CFaxClass20 : public CFaxClass2

   169 /**

   170 @internalComponent

   171 */

   172    {

   173  public:

   174    static CFaxModemDriver * NewL (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

   175    static CFaxModemDriver * NewLC (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

   176 

   177    TInt RxConnectL ();

   178    TInt RxPrePageL ();

   179    TInt RxPostPageL ();

   180    TInt TxConnectL ();

   181    TInt TxPrePageL ();

   182    TInt TxPostPageL ();

   183    };

   184 

   185 /********************************************************************/

   186 

   187 #include "FAXMDRV.INL"

   188 

   189 #endif

   190