1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CMODEMATSESSION_H

    21 #define CMODEMATSESSION_H

    22 

    23 #include <e32svr.h>

    24 

    25 class CModemAtSrv;

    26 class RModemAtController;

    27 

    28 // CLASS DECLARATION

    29 

    30 /**

    31 *  CModemAtSession receives and completes client's requests. CModemAtSession forwards

    32 *  requests to the CModemAtSrv.

    33 */

    34 

    35 NONSHARABLE_CLASS( CModemAtSession ) : public CSession2

    36     {

    37     

    38 public:

    39 

    40     /**

    41      * Two-phased constructor.

    42      * @param aServer

    43      * @return Instance of self

    44      */

    45     static CModemAtSession* NewL( CModemAtSrv& aServer, const TVersion& aVersion );

    46 

    47    /**

    48     * Destructor.

    49     */

    50     ~CModemAtSession();

    51 

    52     /**

    53      *  Called by CModemAtHandler, when Unsolicitated data ind is received  

    54      */

    55     void UnsolicitedData( const TDesC8& aData );

    56 

    57     /**

    58      *  Called by CModemAtHandler, when signal ind is received  

    59      */

    60     void SignalIndReceived( );

    61 

    62     /**

    63      * Returns DteId of current session

    64      *  @return DteID 

    65      */    

    66     TUint8 GetDteId();

    67 

    68     /**

    69       *  Sets DteID for this session

    70       *  @param aDteId DteId

    71       */    

    72     void SetDteId( const TUint8 aDteId );

    73 

    74     /**

    75       * Returns name of current session  

    76       * @return Session name 

    77       */    

    78     TDesC8& GetName();

    79 

    80     /**

    81       * Returns plugin type (common/atext) 

    82       *  @return Plugintype 

    83       */    

    84     TATPluginInterface GetPluginType();

    85 

    86     /**

    87      *  Modem-Connected-callback. Called when modem is connected.

    88      *  @param aDteId DteId

    89      *  @param aErr Error code

    90      *  @return 

    91      */

    92     void ModemConnected( const TInt aErr );

    93    

    94     /**

    95      *  CommandModeChanged. Called when pipe handle indicates that mode is changed.

    96      *  @param aMode TCommandMode aMode

    97      *  @return 

    98      */

    99     void CommandModeChanged( TCommandMode aMode ) ;

   100     

   101     /**

   102      *  IsUnsolicitedDataReqActive

   103      *  @return ETrue if request is active, otherwise EFalse

   104      */

   105     TBool IsUnsolicitedDataReqActive();

   106 

   107     /**

   108      *  IsSignalIndReqActive

   109      *  @return ETrue if request is active, otherwise EFalse

   110      */

   111     TBool IsSignalIndReqActive();

   112 

   113     /**

   114      *  IsCommandModeReqActive

   115      *  @return ETrue if request is active, otherwise EFalse

   116      */

   117     TBool IsCommandModeReqActive();

   118 

   119     /**

   120      *  IsConnectReqActive

   121      *  @return ETrue if request is active, otherwise EFalse

   122      */

   123     TBool IsConnectReqActive();

   124 

   125 private:

   126 

   127     // from base class CSession2    

   128     void ServiceL( const RMessage2& aMessage );

   129     void DoServiceL( const RMessage2& aMessage );

   130 

   131     /**

   132      *  Checks if there is existing request and completes it.

   133      *  @param aMessage Message to be checked.

   134      *  @return ETrue if there was request already pending. 

   135      */

   136 	  TBool CheckAndCompleteExistingRequest( const RMessage2& aMessage );

   137 

   138        

   139 private:  

   140 

   141     /**

   142      * Default C++ constructor.

   143      * @param aServer   Reference to the CModemAtsrv

   144      * @param aVersion  Version of client

   145      * @param aHandler  Reference to the CModemAtHandler

   146      */

   147     CModemAtSession( CModemAtSrv& aServer, const TVersion& aVersion );

   148 

   149     // data

   150     CModemAtSrv& iServer;

   151     RMessage2 iConnectReq;

   152     RMessage2 iSignalIndReq;

   153     RMessage2 iUnsolicitedDataReq;

   154     RMessage2 iCommandModeReq;

   155 

   156     TVersion iVersion;

   157     TUint8 iDteId;

   158     HBufC8* iClientName;

   159     TATPluginInterface iPluginType;

   160     TPtr8 iClientNamePtr;

   161     };

   162 

   163 #endif  // CMODEMATSESSION_H