/*

* 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:  Client side interface to WLAN Services

*

*/

/*

*/

#ifndef RWLMSERVER_H

#define RWLMSERVER_H

#include <e32base.h>

#include <wlancontrolinterface.h>

#include <wlantrafficstreamparameters.h>

#include "genscanlist.h"

#include "wlmnotify.h"

#include "wlancontrolinterface.h"

class CWlmScanRequest;

/**

* Application interface.

* This class hides inter-thread communication between client

* and server. Hides also asynchronous notification services.

* @since Series 60 3.0

* @lib wlmserver.lib

*/

NONSHARABLE_CLASS( RWLMServer ) : public RSessionBase, public MWLMNotify

    {

    friend class CWlmScanRequest;

    public: // Methods.

        /**

         * Structure for storing buffers for a traffic stream create request.

         */

        struct TWlmTsCreateRequest

            {

            TWlmTsCreateRequest(

                const TWlanTrafficStreamParameters& aStreamParameters,

                TUint& aStreamId,

                TWlanTrafficStreamStatus& aStreamStatus ) :

                iTsParameterPckg( aStreamParameters ),

                iTsIdPckg( aStreamId ),

                iTsStatusPckg( aStreamStatus ) {};

            /** Buffer for storing TSPEC parameters. */

            TPckgBuf<TWlanTrafficStreamParameters> iTsParameterPckg;

            /** Buffer for storing traffic stream ID. */

            TPckg<TUint> iTsIdPckg;

            /** Buffer for storing traffic stream status. */

            TPckg<TWlanTrafficStreamStatus> iTsStatusPckg;

            };

    // New methods

        /** 

         * Cancel pending notification message from server.

         * CWLMNotify class uses this method to cancel pending message at server 

         * side.

         */

        void CancelRequest();

        /**

         * Close the connection; release the handle to the server.

         */

        IMPORT_C void Close();

        /** 

         * Set a message to pend notification.

         * @param aReturnValue Status of the calling active object.

         * @param aReturnData  (OUT) Data returned by the notification.

         * @param aNotificationMask Bitmask of active notifications.

         */

        void WaitForNotification(

            TRequestStatus& aReturnValue,

            TDes8& aReturnData,

            TUint32 aNotificationMask );

        /** 

         * Client activates the notification service.

         * With this service client can receive asynchronous notifications from

         * the server.

         * @param aCallback Client's callback interface for notifications.

         * @param aNotificationMask Bitmask of notifications to activate.

         * @see TWLMResponses

         */

        IMPORT_C void ActivateNotifiesL(

            MWLMNotify& aCallback,

            TUint32 aNotificationMask );

        /** 

         * Client deactivates the notification service.

         * This is the client's interface to stop receiveing notifications from the

         * server.

         */

        IMPORT_C void CancelNotifies();

        /**

         * Client makes the connection to the server.        

         * @return General Symbian error code.

         */

        IMPORT_C TInt Connect();

        /**

         * Version information.

         * @return Version information.

         */

        TVersion Version() const;

        /**

         * Get connection state of WLAN.

         * @return Current state of WLAN connection.

         */

        IMPORT_C TWlanConnectionState GetConnectionState();

        /**

         * Get current connections RCPI.

         * @param aRCPI (OUT) Current signal strength of the connection, 0 if no WLAN connection.

         * @return General Symbian error code.

         */

        IMPORT_C TInt GetConnectionRCPI(

            TInt32& aRCPI );

        /**

         * Get scan results.

         * @param aResults (OUT) Results of the last scan.

         * @param aSsid SSID to be scanned.

         * @param aCacheLifetime how old cached results (in seconds) the client is willing to accept.

         * @param aMaxDelay maximum time (in seconds) the client is willing to wait for the scan results.

         * @return General Symbian error code.

         */

         IMPORT_C TInt GetScanResults(

             ScanList& aResults,

             const TDesC8& aSsid,

             TInt& aCacheLifetime,

             TUint& aMaxDelay );

         /**

          * Get scan results.

          * @param aResults (OUT) Results of the last scan.

          * @param aSsid SSID to be scanned.

          * @param aCacheLifetime how old cached results (in seconds) the client is willing to accept.

          * @param aMaxDelay maximum time (in seconds) the client is willing to wait for the scan results.

          * @param aStatus Status of the calling active object.

          */

         IMPORT_C void GetScanResults(

             ScanList& aResults,

             const TDesC8& aSsid,

             TInt& aCacheLifetime,

             TUint& aMaxDelay,

             TRequestStatus& aStatus );

        /**

         * Cancel an outstanding scan request.

         */

        IMPORT_C void CancelGetScanResults();

        /** 

         * Join to a network using the settings from "IAP specific WLAN table". 

         *

         * @param aStatus    Status of the calling active object.

         * @param aId        Index to the "IAP specific WLAN table".

         * @param aOverrides Override parameters to joining the network.

         */

        IMPORT_C void Join(

            TRequestStatus& aStatus,

            const TUint32 aId,

            TWLMOverrideSettings* aOverrides = NULL );

        /**

         * Cancel an outstanding join request.

         */

        IMPORT_C void CancelJoin();

        /**

         * Reset the network connection.

         * @return General Symbian error code.

         */

        IMPORT_C TInt Release();

        /**

        * Get the BSSID of the current connection.

        * @param aBssid The BSSID of the current connection.

        *               If no connection a zero address is returned.

        * @return General Symbian error code.

        */

        IMPORT_C TInt GetBSSID(

            TMacAddress& aBssid );

        /**

        * Get the name of the current network.

        * @param aNwName (OUT) The name of the current network.

        * @return General Symbian error code.

        */

        IMPORT_C TInt GetNetworkName(

            TDes& aNwName );

        /**

        * Get current security mode.

        * @param aMode (OUT) The current security mode.

        * @return General Symbian error code.

        */

        IMPORT_C TInt GetSecurityMode(

            TWlanSecurity& aMode );

        /**

        * Get current system mode.

        * @param aMode (OUT) The current system mode.

        * @return General Symbian error code.

        */

        IMPORT_C TInt GetSystemMode(

            TWlanSystemMode& aMode );

        /**

        * Get available WLAN IAPs.

        * @param aAvailableIaps Array of IAP IDs available.

        * @param aCacheLifetime how old cached results (in seconds) the client is willing to accept.

        * @param aMaxDelay maximum time (in seconds) the client is willing to wait for the scan results.

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

        * @return General Symbian error code.

        */

        IMPORT_C TInt GetAvailableIaps(

            TWlmAvailableIaps& aAvailableIaps,

            TInt& aCacheLifetime,

            TUint& aMaxDelay,

            TBool aFilteredResults );

        /**

         * Get available WLAN IAPs.

         * @param aAvailableIaps Array of IAP IDs available.

         * @param aCacheLifetime how old cached results (in seconds) the client is willing to accept.

         * @param aMaxDelay maximum time (in seconds) the client is willing to wait for the scan results.

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

         * @param aStatus Status of the calling active object.

         *

         * In order to call this method, an instance of TWlmAvailableIaps must

         * packaged into a TPckg<TWlmAvailableIaps> package buffer. This buffer

         * can be passed to the called method as a descriptor.

         *

         * Example:

         * TPckg<TWlmAvailableIaps> availableIapsBuf( availableIaps );

         * GetAvailableIaps( availableIapsBuf, cacheLifetime, maxDelay, status );        

         */

         IMPORT_C void GetAvailableIaps(

             TDes8& aAvailableIaps,

             TDes8& aCacheLifetime,

             TDes8& aMaxDelay,

             TBool aFilteredResults,

             TRequestStatus& aStatus );

        /**

         * Cancel an outstanding IAP availability request.

         */

        IMPORT_C void CancelGetAvailableIaps();

        /**

        * Notify the server about changed WLAN settings.

        */

        IMPORT_C void NotifyChangedSettings();

        /**

        * Adds a BSSID to rogue list

        * @param aBssid a BSSID of an accesspoint.

        * @return Error code.

        */

        IMPORT_C TInt AddBssidToRoguelist(

            const TMacAddress& aBssid );

        /**

        * Updates the RCP notification class boundaries.

        * @param aRcpLevelBoundary specifies the RCP level when notification

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

        *     getting worse (see next parameter).

        * @param aHysteresis specifies the difference between RCP notification

        *     trigger levels of declining and improving signal quality.

        *     I.e. since aRcpLevelBoundary specifies the level boundary for

        *     declining signal, the same boundary for imrpoving signal is

        *     ( aRcpLevelBoundary - aHysteresis ).

        * @return Error value

        */

        IMPORT_C TInt UpdateRcpNotificationBoundary(

            const TInt32 aRcpLevelBoundary,

            const TInt32 aHysteresis );

        /**

         * ConfigureMulticast

         * @param aCommand specifies either KSoIp6JoinGroup or

         *        KSoIp6LeaveGroup

         * @param aMulticastAddress contains the MAC address

         * @return Error code.

         */

        IMPORT_C TInt ConfigureMulticast(

            TUint aCommand,

            const TMacAddress& aMulticastAddress );

        /**

         * Get packet statistics of the current connection.

         *

         * @since S60 v3.2

         * @param aStatistics Packet statistics of the current connection.

         * @return KErrNone if statistics were read successfully, an error otherwise.

         */

        IMPORT_C TInt GetPacketStatistics(

            TWlanPacketStatistics& aStatistics );

        /**

         * Clear packet statistics of the current connection.

         *

         * @since S60 v3.2

         */        

        IMPORT_C void ClearPacketStatistics();

        /**

         * Get the current U-APSD settings.

         *

         * @since S60 v3.2

         * @param aSettings Current U-APSD settings.

         * @return KErrNone if settings were read successfully, an error otherwise.

         */

        IMPORT_C TInt GetUapsdSettings(

            TWlanUapsdSettings& aSettings );

        /**

         * Set the U-APSD settings.

         *

         * @since S60 v3.2

         * @param aSettings Current U-APSD settings to be set.

         * @return KErrNone if settings were set successfully, an error otherwise.

         */

        IMPORT_C TInt SetUapsdSettings(

            const TWlanUapsdSettings& aSettings );        

        /**

         * Get the current power save settings.

         *

         * @since S60 v3.2

         * @param aSettings power save settings.

         * @return KErrNone if settings were read successfully, an error otherwise.

         */

        IMPORT_C TInt GetPowerSaveSettings(

            TWlanPowerSaveSettings& aSettings );

        /**

         * Set the power save settings.

         *

         * @since S60 v3.2

         * @param aSettings Current power save settings to be set.

         * @return KErrNone if settings were set successfully, an error otherwise.

         */      

        IMPORT_C TInt SetPowerSaveSettings(

            const TWlanPowerSaveSettings& aSettings );

        /**

         * Run Protected Setup.

         * @param aStatus  Status of the calling active object.

         * @param Results of a successful Protected Setup operation.

         */

        IMPORT_C void RunProtectedSetup(

            TRequestStatus& aStatus,

            TDes8& aCredentials );

        /**

         * Cancel an outstanding Protected Setup request.

         */

        IMPORT_C void CancelProtectedSetup();

        /**

         * 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 aIsAutomaticStream Whether the stream was created automatically

         *                           by WLAN NIF.

         * @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.

         */

        IMPORT_C void CreateTrafficStream(

            TRequestStatus& aStatus,

            const TWlanTrafficStreamParameters& aStreamParameters,

            TBool aIsAutomaticStream,

            TUint& aStreamId,

            TWlanTrafficStreamStatus& aStreamStatus );

        /**

         * Cancel an outstanding traffic stream creation request.

         *

         * @since S60 v3.2

         */

        IMPORT_C void CancelCreateTrafficStream();

        /**

         * 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.

         */

        IMPORT_C void DeleteTrafficStream(

            TRequestStatus& aStatus,

            TUint aStreamId );

        /**

         * Cancel an outstanding traffic stream deletion request.

         *

         * @since S60 v3.2

         */

        IMPORT_C void CancelDeleteTrafficStream();

        /**

         * Get information about the current AP.

         *

         * @since S60 v3.2

         * @param aInfo Information about the current AP.

         * @return KErrNone if information is available, an error otherwise.

         */

        IMPORT_C TInt GetAccessPointInfo(

            TWlanAccessPointInfo& aInfo );

        /**

         * Get roam metrics of the current connection.

         *

         * @since S60 v3.2

         * @param aRoamMetrics Roam metrics of the current connection.

         * @return KErrNone if settings were read successfully, an error otherwise.

         */

        IMPORT_C TInt GetRoamMetrics(

            TWlanRoamMetrics& aRoamMetrics );

        /**

         * Return a list of BSSIDs on the rogue list.

         *

         * @since S60 v3.2

         * @param aRogueList List of BSSIDs on the rogue list.

         * @return KErrNone if list were read successfully, an error otherwise.

         */

        IMPORT_C TInt GetRogueList(

            CArrayFixSeg<TWlanBssid>& aRogueList );

        /**

         * Get the current regulatory domain.

         *

         * @since S60 v3.2

         * @param aRegion current region.

         * @return KErrNone if value was read successfully, an error otherwise.

         */

        IMPORT_C TInt GetRegulatoryDomain(

            TWlanRegion& aRegion );

        /**

         * Get the current power save mode.

         *

         * @since S60 v3.2

         * @param aPowerSaveMode current power save mode.

         * @return KErrNone if value was read successfully, an error otherwise.

         */

        IMPORT_C TInt GetPowerSaveMode(

            TWlanPowerSave& aPowerSaveMode );

        /**

         * 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.

         *

         * @since S60 v5.0.1

         * @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.

         */

        IMPORT_C TInt AddIapSsidList(

            TUint aIapId,

            const CArrayFixFlat<TWlanSsid>& aSsidList );

        /**

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

         *

         * @since S60 v5.0.1

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

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

         */

        IMPORT_C TInt RemoveIapSsidList(

            TUint aIapId );  

        /**

         * Set the power save mode.

         *

         * @since S60 v5.0.1

         * @param aMode Power save mode to be set.

         * @return KErrNone if the mode was set successfully, an error otherwise.

         */       

        IMPORT_C TInt SetPowerSaveMode(

            TWlanPowerSaveMode aMode );

        /**

         * Notify the server about PSM server mode change.

         *

         * @since S60 v5.2

         * @param aMode new PSM server mode.

         * @return KErrNone if the mode was set successfully, an error otherwise.

         */

        IMPORT_C TInt NotifyChangedPsmSrvMode(

            TInt aMode ); 

        /**

         * Get the current traffic status for access classes.