/*

* Copyright (c) 2002-2010 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:  ECom interface implementation definition

*

*/

/*

*/

#ifndef WLANMGMTIMPL_H

#define WLANMGMTIMPL_H

#include "rwlmserver.h"

#include "genscanlist.h"

#include "wlanmgmtclient.h"

#include "wlanscaninfoimpl.h"

const TInt32 KRssMin = 0;

const TInt32 KRssMax = 100;

const TInt32 KRssHysteresisMin = 0;

const TInt32 KRssHysteresisMax = 100;

class CWlanScanRequest;

class CWlanAvailableIapsRequest;

class CProtectedSetupRequest;

/**

 * Implementation for MWlanMgmtInterface interface.

 *

 * This class uses services from RWLMServer class to implement

 * most of the required functionality.

 *

 * @lib wlanmgmtimpl.dll

 * @since Series 60 3.0

 */

class CWlanMgmtImpl : public CWlanMgmtClient, public MWLMNotify

    {

    public:  // Methods

       // Constructors and destructor

        /**

         * Static constructor.

         */

        static CWlanMgmtImpl* NewL();

        /**

         * Destructor.

         */

        virtual ~CWlanMgmtImpl();

       // New methods

        /**

         * Used to indicate completion of asynchronous scan request.

         *

         * @param aStatus Status of the request.

         */

        void ScanComplete(

            TInt aStatus );

        /**

         * Used to indicate completion of asynchronous GetAvailableIaps() request.

         *

         * @param aStatus Status of the request.

         */

        void AvailableIapsComplete(

            TInt aStatus );

       // Methods from base classes

        /**

         * (From MWlanMgmtInterface) Activate the notification service.

         * 

         * After the client has enabled the notification service, it can

         * receive asynchronous notifications from the server.

         *

         * @param aCallback The class that implements the callback interface.

         */

        virtual void ActivateNotificationsL(

            MWlanMgmtNotifications& aCallback );

        /**

         * (From MWlanMgmtInterface) Cancel the notification service.

         */

        virtual void CancelNotifications();

        /**

         * (From MWlanMgmtInterface) Perform a broadcast scan and return the detected WLAN networks.

         *

         * @param aResults Results of the scan.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt GetScanResults(

            CWlanScanInfo& aResults );

        /**

         * (From MWlanMgmtInterface) Perform a broadcast scan and return the detected WLAN networks.

         *

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aResults Results of the scan.

         */

        virtual void GetScanResults(

            TRequestStatus& aStatus,

            CWlanScanInfo& aResults );

        /**

         * (From MWlanMgmtInterface) Get the BSSID of the BSS currently connected to.

         *

         * @remark This method can only be used while successfully connected to

         *         a WLAN network.

         * @param aBssid BSSID of the currently connected BSS.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt GetConnectionBssid(

            TWlanBssid& aBssid );

        /**

         * (From MWlanMgmtInterface) Get the SSID of the WLAN network currently connected to.

         *

         * @remark This method can only be used while successfully connected to

         *         a WLAN network.

         * @param aSsid SSID of the currently connected network.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt GetConnectionSsid(

            TWlanSsid& aSsid );

        /**

         * (From MWlanMgmtInterface) Get the current Received Signal Strength Indicator (RSSI).

         *

         * @remark This method can only be used while successfully connected to

         *         a WLAN network.

         * @param aSignalQuality Current RSSI.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt GetConnectionSignalQuality(

            TInt32& aSignalQuality );

        /**

         * (From MWlanMgmtInterface) Get the mode of the WLAN connection.

         *

         * @param aMode The current mode of the connection.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt GetConnectionMode(

            TWlanConnectionMode& aMode );

        /**

         * (From MWlanMgmtInterface) Get the currently used security mode of the WLAN connection.

         *

         * @remark This method can only be used while successfully connected to

         *         a WLAN network.

         * @param aMode The security mode of the connection.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         * @deprecated This method is offered for backward compatibility reasons,

         *             GetExtendedConnectionSecurityMode() should be used instead.

         */

        virtual TInt GetConnectionSecurityMode(

            TWlanConnectionSecurityMode& aMode );

        /**

         * (From MWlanMgmtInterface) Get the available WLAN IAPs.

         *

         * @param aAvailableIaps Array of IAP IDs available.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt GetAvailableIaps(

            RArray<TUint>& aAvailableIaps );

        /**

         * (From MWlanMgmtInterface) Get the available WLAN IAPs.

         *

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.       

         * @param aAvailableIaps Array of IAP IDs available.

         */

        virtual void GetAvailableIaps(

            TRequestStatus& aStatus,

            RArray<TUint>& aAvailableIaps );

        /**

         * (From MWlanMgmtInterface)

         * Get the available WLAN IAPs.

         *

         * @param aCacheLifetime Defines how many seconds old cached results the client

         *                       is willing to accept. The valid is range is from 0 to

         *                       60 seconds. The value of -1 means the system default will

         *                       be used. The aCacheLifetime parameter has a meaning only

         *                       when the aMaxDelay parameter is zero.

         *                       Value will be changed to the actual value used by the

         *                       system.

         * @param aMaxDelay Maximum amount of seconds the client is willing to wait for

         *                  the availability results. The valid range is from 0 to 1200

         *                  seconds.

         *                  Value will be changed to the actual value used by the system.

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aAvailableIaps Array of IAP IDs available.

         */

         virtual void GetAvailableIaps(

             TInt& aCacheLifetime,

             TUint& aMaxDelay,

             TRequestStatus& aStatus,

             RArray<TUint>& aAvailableIaps );

        /**

         * (From MWlanMgmtInterface) Notify the server about changed WLAN settings.

         */

        virtual void NotifyChangedSettings();

        /**

         * (From MWlanMgmtInterface)

         * Adds a bssid to the blacklist

         *

         * @param aBssid The BSSID of the accesspoint.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt AddBssidToBlacklist(

            const TWlanBssid& aBssid );

        /**

         * Updates the RSS notification class boundaries.

         *

         * @param aRssLevelBoundary Specifies the RSS level when a signal level notification

         *                          should be given. This boundary is used when signal level

         *                          is getting worse (see next parameter).

         * @param aHysteresis Specifies the difference between RSS notification trigger levels

         *                    of declining and improving signal quality, i.e. since aRssLevelBoundary

         *                    specifies the level boundary for declining signal, the same boundary

         *                    for improving signal is ( aRssLevelBoundary - aHysteresis ).

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt UpdateRssNotificationBoundary( 

            const TInt32 aRssLevelBoundary,

            const TInt32 aHysteresis );

        /**

         * (From MWlanMgmtInterface) 

         * Perform a direct scan for an SSID and return the detected WLAN networks.

         * If the SSID has zero length, a broadcast scan will be done.

         *

         * @param aSsid name of the WLAN network

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aResults Results of the scan.

         */

        virtual void GetScanResults(

            TWlanSsid& aSsid,

            TRequestStatus& aStatus,

            CWlanScanInfo& aResults );

        /**

         * (From MWlanMgmtInterface)

         * Perform a direct scan for an SSID and return the detected WLAN networks.

         * If the SSID has zero length, a broadcast scan will be done.

         *

         * @param aCacheLifetime Defines how many seconds old cached results the client

         *                       is willing to accept. The valid is range is from 0 to

         *                       60 seconds. The value of -1 means the system default will

         *                       be used. The aCacheLifetime parameter has a meaning only

         *                       when the aMaxDelay parameter is zero.

         *                       Value will be changed to the actual value used by the

         *                       system.

         * @param aMaxDelay Maximum amount of seconds the client is willing to wait for

         *                  the scan results. The valid range is from 0 to 1200 seconds.

         *                  Value will be changed to the actual value used by the system.

         * @param aSsid Name of the WLAN network.

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aResults Results of the scan.

         */

         virtual void GetScanResults(

             TInt& aCacheLifetime,

             TUint& aMaxDelay,

             TWlanSsid& aSsid,

             TRequestStatus& aStatus,

             CWlanScanInfo& aResults );

        /**

         * (From MWlanMgmtInterface)

         * Start Protected Setup.

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aCredentials Results of a successful Protected Setup operation.

        virtual void RunProtectedSetup(

            TRequestStatus& aStatus,

            CArrayFixSeg<TWlanProtectedSetupCredentialAttribute>& aCredentials );

        /**

         * (From MWlanMgmtInterface)

         * Cancel an outstanding Protected Setup operation.

         */

        virtual void CancelProtectedSetup();

        /**

         * (From MWlanMgmtInterface)

         * Cancel an outstanding scan request.

         */

        virtual void CancelGetScanResults();

        /**

         * (From MWlanMgmtInterface)

         * Cancel an outstanding IAP availability request.

         */

        virtual void CancelGetAvailableIaps();

        /**

         * (From MWlanMgmtInterface)

         * Add a list of SSIDs to the given IAP ID.

         *

         * The list of SSIDs is matched against the scan results during IAP availability

         * check and the corresponding IAP marked as available if a match is found.

         *

         * @param aIapId IAP ID the list is attached to.

         * @param aSsidList List of SSIDs. Any previous list attached will be overwritten.

         * @return KErrNone if the list was successfully added, an error code otherwise.

         */

        virtual TInt AddIapSsidList(

            TUint aIapId,

            const CArrayFixFlat<TWlanSsid>& aSsidList );

        /**

         * (From MWlanMgmtInterface)

         * Remove any list of SSIDs attached to the given IAP ID.

         *

         * @param aIapId IAP ID the list is attached to.

         * @return KErrNone if the list was successfully removed, an error code otherwise.

         */

        virtual TInt RemoveIapSsidList(

            TUint aIapId );

        /**

         * (From MWlanMgmtInterface)

         * Get the currently used security mode of the WLAN connection.

         *

         * @remark This method can only be used while successfully connected to

         *         a WLAN network.

         * @param aMode The security mode of the connection.

         * @return KErrNone if successful, otherwise one of the system-wide

         *         error codes.

         */

        virtual TInt GetExtendedConnectionSecurityMode(

            TWlanConnectionExtentedSecurityMode& aMode );        

        /**

         * (From MWlanMgmtInterface)

         * Activate the extended notification service.

         * 

         * After the client has enabled the notification service, it can

         * receive asynchronous notifications from the server.

         *

         * @param aCallback The class that implements the callback interface.

         * @param aCallbackInterfaceVersion The callback interface version implemented by

         *                                  the client.

         */

        virtual void ActivateExtendedNotificationsL(

            MWlanMgmtNotifications& aCallback,

            TUint aCallbackInterfaceVersion );

        /**

         * (From MWlanMgmtInterface)

         * Create a virtual traffic stream.

         *

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aStreamParameters Traffic stream parameters to use.

         * @param aStreamId Contains the ID assigned to this traffic stream

         *                  on successful completion.

         * @param aStreamStatus Contains the status of the traffic stream

         *                  on successful completion.

         */

        virtual void CreateTrafficStream(

            TRequestStatus& aStatus,

            const TWlanTrafficStreamParameters& aStreamParameters,

            TUint& aStreamId,

            TWlanTrafficStreamStatus& aStreamStatus );

        /**

         * (From MWlanMgmtInterface)

         * Cancel an outstanding traffic stream creation request.

         */

        virtual void CancelCreateTrafficStream();

        /**

         * (From MWlanMgmtInterface)

         * Delete a virtual traffic stream.

         *

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aStreamId ID of the traffic stream to delete.

         */

        virtual void DeleteTrafficStream(

            TRequestStatus& aStatus,

            TUint aStreamId );

        /**

         * (From MWlanMgmtInterface)

         * Cancel an outstanding traffic stream deletion request.

         */

        virtual void CancelDeleteTrafficStream();

        /**

         * (From MWlanMgmtInterface)

         * Initiate a roam to the given BSSID.

         *

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aBssid BSSID to roam to. If set to FF:FF:FF:FF:FF:FF address,

         *               search for a better BSS is initiated.

         */

        virtual void DirectedRoam(

            TRequestStatus& aStatus,

            const TWlanBssid& aBssid );

        /**

         * (From MWlanMgmtInterface)

         * Cancel an outstanding directed roam request.

         */

        virtual void CancelDirectedRoam();

        /**

         * Used to indicate completion of asynchronous Protected Setup request.

         * @param aStatus Status of the request.

         */

        void ProtectedSetupComplete(

            TInt aStatus );

        /**

         * (From MWlanMgmtInterface)

         * Start aggressive background scanning.

         * @param aInterval Scan interval for aggressive mode (in seconds).

         *                  Valid range: 1-120 seconds.

         */

        virtual TInt StartAggressiveBgScan(

            TUint aInterval );

        /**

         * (From MWlanMgmtInterface)

         * Get the available WLAN IAPs.

         *

         * @param aCacheLifetime Defines how many seconds old cached results the client

         *                       is willing to accept. The valid is range is from 0 to

         *                       60 seconds. The value of -1 means the system default will

         *                       be used. The aCacheLifetime parameter has a meaning only

         *                       when the aMaxDelay parameter is zero.

         *                       Value will be changed to the actual value used by the

         *                       system.

         * @param aMaxDelay Maximum amount of seconds the client is willing to wait for

         *                  the availability results. The valid range is from 0 to 1200

         *                  seconds or KWlanInfiniteScanDelay. KWlanInfiniteScanDelay

         *                  will never cause a scan, but the request will be

         *                  completed when any other broadcast scan request is completed.

         *                  Value will be changed to the actual value used by the system.

         * @param aFilteredResults Whether availability is filtered based on signal strength.

                                   ETrue if filtering is allowed, EFalse if not.

         * @param aStatus Status of the calling active object. On successful

         *                completion contains KErrNone, otherwise one of the

         *                system-wide error codes.

         * @param aAvailableIaps Array of IAPs available.

         */

        virtual void GetAvailableIaps(

            TInt& aCacheLifetime,

            TUint& aMaxDelay,

            TBool aFilteredResults,

            TRequestStatus& aStatus,

            RArray<TWlanIapAvailabilityData>& aAvailableIaps );

	protected: // Methods

        /**

         * (From MWLMNotify) Connection status has changed.

         * 

         * @aParam aNewState specifies the new state

         */

        virtual void ConnectionStateChanged(

            TWlanConnectionState aNewState );

        /**

         * (From MWLMNotify) BSSID has changed (i.e. AP handover)

         * 

         * @aParam aNewBSSID specifies the new BSSID (access point name).

         */