wlan_bearer/wlanldd/wlan_common/umac_common/inc/umacdot11idlescanningmode.h
changeset 0 c40eb8fe8501
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlan_bearer/wlanldd/wlan_common/umac_common/inc/umacdot11idlescanningmode.h	Tue Feb 02 02:03:13 2010 +0200
@@ -0,0 +1,391 @@
+/*
+* Copyright (c) 2005-2006 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:   Declaration of the WlanDot11IdleScanningMode class.
+*
+*/
+
+/*
+* %version: 12 %
+*/
+
+#ifndef C_WLANDOT11IDLESCANNINGMODE_H
+#define C_WLANDOT11IDLESCANNINGMODE_H
+
+#include "UmacDot11State.h"
+#include "umacscanfsmcb.h"
+
+class WlanContextImpl;
+class WlanScanFsmCntx;
+
+/**
+ *  Idle mode scanning state
+ *
+ *  @lib wlanumac.lib
+ *  @since S60 v3.1
+ */
+class WlanDot11IdleScanningMode : 
+    public WlanDot11State,
+    public MWlanScanFsmCb
+    {
+
+public:
+
+    /**  Types for the FSM */
+    
+    /**  events for the FSM */
+    enum TEvent
+        {
+        ESTATEENTRY,        // state entry action to be executed                        
+        ETXCOMPLETE,        // underlying sw layer tx delivery complete event   
+        ESTARTSCANNINGMODE, // start scanning mode event
+        ESCANMODERUNNING,   // scan running event
+        ESTOPSCANNINGMODE,  // stop scanning mode request
+        ESCANNINGMODEEXIT,  // scanning mode termination event 
+        EABORT,             // abort execution event
+        EEVENTMAX           // defined as an upper bound
+        };
+
+    /**  states of the FSM */
+    enum TState
+        {
+        EINIT,                  // start state of the state machine
+        ESETSLEEPMODE,          // configure sleep mode mib
+        EEXECUTESCANFSM,        // execute scan fsm
+        ECONTINUEDOT11TRAVERSE, // continue dot11 state traversal
+        ESTATEMAX               // defined as an upper bound        
+        }; 
+
+    WlanDot11IdleScanningMode() 
+        : iState( EINIT ), iCtxImpl( NULL ), 
+          iMode( static_cast<TScanMode>( 0 ) ), iScanRate( 0 ), iPimpl( NULL ),
+          iSSID( NULL ),  iChannels( NULL ), iMinChannelTime( 0 ), 
+          iMaxChannelTime( 0 ), iSplitScan( EFalse ) {};
+
+    virtual ~WlanDot11IdleScanningMode();
+
+    void Set( WlanContextImpl& aCtxImpl );
+
+    /**
+     * 
+     *
+     * @since S60 3.1
+     * @param ?arg1 ?description
+     * @param ?arg2 ?description
+     */
+    void Set( 
+        TScanMode aMode,                    
+        const TSSID& aSSID,                 
+        TUint32 aScanRate,                    
+        SChannels& aChannels,
+        TUint32 aMinChannelTime,            
+        TUint32 aMaxChannelTime,
+        TBool aSplitScan );                                          
+        
+private:
+
+    /**
+     * Internal state transition method
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     * @param aNewState new internal state
+     */
+    void ChangeInternalState( WlanContextImpl& aCtxImpl, TState aNewState );
+
+    /**
+     * Feeds an event to internal fsm
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     * @param aEvent fsm event
+     */
+    void Fsm( WlanContextImpl& aCtxImpl, TEvent aEvent ); 
+
+    /**
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    void OnStateEntryEvent( WlanContextImpl& aCtxImpl );
+
+    /**
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    void OnTxCompleteEvent( WlanContextImpl& aCtxImpl );
+
+    /**
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    void OnStartScanningModeEvent( WlanContextImpl& aCtxImpl );
+
+    /**
+     * Handles Scan Running event from scan fsm
+     *
+     * @since S60 3.2
+     * @param aCtxImpl global statemachine context
+     */
+    void OnScanModeRunningEvent( WlanContextImpl& aCtxImpl ) const;
+    
+    /**
+     * Handles Stop Scanning Mode event from scan fsm
+     *
+     * @since S60 3.2
+     * @param aCtxImpl global statemachine context
+     */
+    void OnStopScanningModeEvent( WlanContextImpl& aCtxImpl );
+
+    /**
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    void OnScanningModeExitEvent( WlanContextImpl& aCtxImpl );
+
+    /**
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    void OnAbortEvent( WlanContextImpl& aCtxImpl );
+
+    /**
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    void SetSleepMode( WlanContextImpl& aCtxImpl );
+
+    /**
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    void ExecuteScanFsm( WlanContextImpl& aCtxImpl );
+
+    /**
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    void ContinueDot11StateTraversal( WlanContextImpl& aCtxImpl );
+
+    // from base class MWlanWhaCommandClient
+
+    /**
+     * From MWlanWhaCommandClient.
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    virtual void OnWhaCommandResponse( 
+        WlanContextImpl& aCtxImpl, 
+        WHA::TCommandId aCommandId, 
+        WHA::TStatus aStatus,
+        const WHA::UCommandResponseParams& aCommandResponseParams,
+        TUint32 aAct );
+
+    // from base class MWlanWsaEvent
+
+    /**
+     * From MWlanWsaEvent.
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    virtual TBool CommandComplete( 
+        WlanContextImpl& aCtxImpl, 
+        WHA::TCompleteCommandId aCompleteCommandId, 
+        WHA::TStatus aStatus,
+        const WHA::UCommandCompletionParams& aCommandCompletionParams );
+
+    /**
+     * From MWlanWsaEvent.
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    virtual TAny* RequestForBuffer( 
+        WlanContextImpl& aCtxImpl, 
+        TUint16 aLength );
+
+    /**
+     * From MWlanWsaEvent.
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     * @param aRcpi RCPI of the frame
+     * @param aBuffer pointer to the beginning of the Rx buffer allocated
+     *        for the frame
+     */
+    virtual void ReceivePacket( 
+        WlanContextImpl& aCtxImpl, 
+        WHA::TStatus aStatus,
+        const void* aFrame,
+        TUint16 aLength,
+        WHA::TRate aRate,
+        WHA::TRcpi aRcpi,
+        WHA::TChannelNumber aChannel,
+        TUint8* aBuffer,
+        TUint32 aFlags );
+
+    // from base class WlanMacState
+
+    /**
+     * From WlanMacState.
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    virtual void Entry( WlanContextImpl& aCtxImpl );
+
+    /**
+     * From WlanMacState.
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+    virtual void Exit( WlanContextImpl& aCtxImpl );
+                                   
+    /**
+    * From WlanMacState.
+    * Stop a previously started scan process. 
+    *
+    * @since S60 3.2
+    * @param aCtxImpl global statemachine context
+    * @return ETrue if a state transition occurred
+    *         EFalse otherwise
+    */
+    virtual TBool StopScan( WlanContextImpl& aCtxImpl );
+
+    /**
+     * From WlanMacState.
+     * ?description
+     *
+     * @since S60 3.1
+     * @param aCtxImpl global statemachine context
+     */
+#ifndef NDEBUG 
+        virtual const TInt8* GetStateName( TUint8& aLength ) const;
+#endif // !NDEBUG 
+
+    // from base class MWlanScanFsmCb
+
+    virtual void OnScanFsmEvent( MWlanScanFsmCb::TEvent aEvent );
+
+    // Prohibit copy constructor.
+    WlanDot11IdleScanningMode( 
+        const WlanDot11IdleScanningMode& );
+    // Prohibit assigment operator.
+    WlanDot11IdleScanningMode& operator= ( 
+        const WlanDot11IdleScanningMode& ); 
+
+private: // data
+
+#ifndef NDEBUG
+    /**  max length of state name for tracing */
+    enum { KMaxStateStringLength = 50 };
+
+    /**  max length of event name for tracing */
+    enum { KMaxEventStringLength = KMaxStateStringLength };
+
+    /**
+     * state names for tracing
+     */
+    static const TUint8 iStateName[ESTATEMAX][KMaxStateStringLength];
+
+    /**
+     * event names for tracing 
+     */
+    static const TUint8 iEventName[EEVENTMAX][KMaxEventStringLength];         
+
+    /**
+     * name of the state
+     */
+    static const TInt8  iName[];
+#endif
+
+    /**
+     * state of the fsm 
+     */
+    TState              iState;
+
+    /**
+     * global state machine context 
+     * Not own.  
+     */
+    WlanContextImpl*    iCtxImpl;
+
+    /**
+     * scan parameter as non-WHA types
+     */
+    TScanMode           iMode;                  
+
+    /**
+     * scan parameter as non-WHA types
+     */
+    TUint32             iScanRate;                    
+
+    /**
+     * pointer to the scan fsm implementation
+     * Own.
+     */
+    WlanScanFsmCntx*    iPimpl;
+
+    /**
+     * scan parameter as non-WHA types
+     * Not own.  
+     */
+    const TSSID*        iSSID;                 
+
+    /**
+     * scan parameter as non-WHA types
+     * Not own.  
+     */
+    SChannels*          iChannels;
+
+    /**
+     * minimum channel time
+     */
+    TUint32 iMinChannelTime;
+
+    /**
+     * maximum channel time
+     */
+    TUint32 iMaxChannelTime;
+    
+    /**
+     * should split scan be used
+     */
+    TBool iSplitScan;
+    };
+
+#endif // C_WLANDOT11IDLESCANNINGMODE_H