1 /*

     2 * Copyright (c) 2002-2007 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:   Declaration of the WlanDot11DeauthPending class

    15 *

    16 */

    17 

    18 /*

    19 * %version: 18 %

    20 */

    21 

    22 #ifndef WLANDOT11DEAUTHPENDING_H

    23 #define WLANDOT11DEAUTHPENDING_H

    24 

    25 #include "UmacDot11State.h"

    26 

    27 /**

    28 * This is a state where deauthentication frame has been send to an AP 

    29 */

    30 class WlanDot11DeauthPending : public WlanDot11State

    31     {

    32 public:

    33 

    34     /**

    35     * C++ default constructor.

    36     */

    37     WlanDot11DeauthPending() : iState( EINIT ) {};

    38 

    39     /**

    40     * Destructor.

    41     */

    42     virtual ~WlanDot11DeauthPending() {};

    43                 

    44 private:

    45 

    46     // events for the FSM

    47     enum TEvent

    48         {

    49         // state entry action to be executed

    50         ESTATEENTRY,

    51         // underlying sw layer tx delivery complete event 

    52         ETXCOMPLETE,        

    53          // packet scheduler is full

    54         ETX_SCHEDULER_FULL,

    55         // packet push to packet scheduler possible

    56         EPUSHPACKET,

    57         // defined as an upper bound

    58         EEVENTMAX           

    59         };

    60 

    61     // states of the FSM

    62     enum TState

    63         {

    64         // start state of the state machine

    65         EINIT,                          

    66         // state for sending the deauthentication frame

    67         ETXDEAUTHENTICATIONFRAME,

    68         // EPUSHPACKET event waited

    69         EWAIT4PUSHPACKET,

    70         // junction state prior moving to next dot11 state

    71         ECONTINUEDOT11TRAVERSE,

    72         // defined as an upper bound        

    73         ESTATEMAX                       

    74         };

    75 

    76     void Fsm( 

    77         WlanContextImpl& aCtxImpl, 

    78         TEvent aEvent ); 

    79     

    80     void OnStateEntryEvent( 

    81         WlanContextImpl& aCtxImpl );

    82         

    83     void OnTxCompleteEvent( 

    84         WlanContextImpl& aCtxImpl );

    85 

    86     void OnTxSchedulerFullEvent( WlanContextImpl& aCtxImpl );

    87 

    88     void OnPushPacketEvent( WlanContextImpl& aCtxImpl );

    89 

    90     void ContinueDot11StateTraversal( 

    91         WlanContextImpl& aCtxImpl );

    92 

    93     void ChangeInternalState( 

    94         WlanContextImpl& aCtxImpl, 

    95         TState aNewState );

    96         

    97     virtual void Entry( WlanContextImpl& aCtxImpl);

    98     virtual void Exit( WlanContextImpl& aCtxImpl);

    99 

   100     virtual void OnPacketSendComplete(

   101         WlanContextImpl& aCtxImpl, 

   102         WHA::TStatus aStatus,

   103         TUint32 aPacketId,

   104         WHA::TRate aRate,

   105         TUint32 aPacketQueueDelay,

   106         TUint32 aMediaDelay,

   107         TUint aTotalTxDelay,

   108         TUint8 aAckFailures,

   109         WHA::TQueueId aQueueId,

   110         WHA::TRate aRequestedRate,

   111         TBool aMulticastData );

   112 

   113     virtual TAny* RequestForBuffer ( 

   114         WlanContextImpl& aCtxImpl,

   115         TUint16 aLength );

   116 

   117     /**

   118     * Returns the states name

   119     * @param aLength (OUT) length of the name of the state

   120     * @return name of the state

   121     */

   122 #ifndef NDEBUG 

   123         virtual const TInt8* GetStateName( TUint8& aLength ) const;

   124 #endif // !NDEBUG 

   125 

   126     virtual void OnPacketPushPossible( WlanContextImpl& aCtxImpl );

   127 

   128     // Prohibit copy constructor

   129     WlanDot11DeauthPending( 

   130         const WlanDot11DeauthPending& );

   131     // Prohibit assigment operator

   132     WlanDot11DeauthPending& operator= ( 

   133         const WlanDot11DeauthPending& );  

   134     

   135 private:   // Data

   136 

   137     TState              iState;

   138 

   139 #ifndef NDEBUG    

   140     // max length of state name for tracing

   141     enum { KMaxStateStringLength = 50 };

   142     // max length of event name for tracing

   143     enum { KMaxEventStringLength = KMaxStateStringLength };

   144 

   145     // state names for tracing

   146     static const TUint8 iStateName[ESTATEMAX][KMaxStateStringLength];

   147     // event names for tracing

   148     static const TUint8 iEventName[EEVENTMAX][KMaxEventStringLength];             

   149     /** name of the state */

   150     static const TInt8 iName[];        

   151 #endif    

   152     };

   153 

   154 #endif      // WLANDOT11DEAUTHPENDING_H

   155