/*

 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "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:   Header file for CFotaServer

 *

 */

#ifndef __FOTASERVER_H__

#define __FOTASERVER_H__

// INCLUDES

#include <coemain.h>

#include <s32file.h>

#include <e32property.h>

#include <SyncMLClient.h>

#include <SyncMLClientDM.h>

#include <hwrmpowerstatesdkpskeys.h>

#include <SyncMLObservers.h>

#include <devicedialogconsts.h>

#include <hbsymbianvariant.h>

#include <hbmainwindow.h>

#include "fotaserverPrivateCRKeys.h"

#include "FotaIPCTypes.h"

#include "FotaDB.h"

#include "fotaConst.h"

#include "fotaupdate.h" 

#include "fmsclient.h"	//The FMS Client header file

#include "FotaSrvDebug.h"

#include "fotadevicedialogobserver.h"

/** If download is active this P&S key is set to ETrue, otherwise EFalse. 

 * The key is owned by omadmappui**/

const TUint32 KFotaServerActive = 0x0000008;

#define __LEAVE_IF_ERROR(x) if(KErrNone!=x) {FLOG(_L("LEAVE in %s: %d"), __FILE__, __LINE__); User::Leave(x); }

//Forward declarations

/** File that stores the firmware version at the start of download. This is in fota's private directory*/

_LIT (KSWversionFile, "swv.txt");

/** Time and the interval download finalizing retries*/

const TInt KDownloadFinalizerWaitTime(1000000);

/** Time interval between syncml session retry attempts*/

const TInt KSyncmlSessionRetryInterval(60000000);

/** Time and the interval between the fota shutdownload retries*/

const TTimeIntervalMicroSeconds32 KFotaTimeShutDown(10000000);

/** How many times generic alert sending should be tried in row. */

const TInt KSyncmlAttemptCount = 3;

/** How many times a download can be restarted when a non-resumable interrupt occurs. */

const TInt KMaxDownloadRestartCount = 3;

_LIT_SECURITY_POLICY_C1( KReadPolicy, ECapabilityReadDeviceData );

_LIT_SECURITY_POLICY_C1( KWritePolicy, ECapabilityWriteDeviceData );

_LIT_SECURITY_POLICY_PASS(KAllowAllPolicy);

// FORWARD CLASS DECLARATION

class CFotaUpdate;

class CFotaSrvApp;

class CFotaNetworkRegStatus;

class DownloadManagerClient;

class CFotaDownloadNotifHandler;

/**

 * Fota server. Handles client requests. Starts download and/or update.

 *

 *  This class is 

 *

 *  @lib    fotaserver

 *  @since  S60 v3.1

 */

NONSHARABLE_CLASS( CFotaServer ) : public CServer2,

        MSyncMLEventObserver,

        MfotadevicedialogObserver

    {

    friend class CFotaSrvSession;

    friend class CFotaUpdate;

public:

    // Member functions

    static CFotaServer* NewInstance(HbMainWindow& mainwindow);

    /**

     * Destructor.

     */

    virtual ~CFotaServer();

public:

    // All functions called from the session

    /**

     * Start download

     *

     * @since   S60   v3.1

     * @param   aParams     Package state params to be save in db

     * @param   aPkgURL     URL

     * @return  none

     */

    void DownloadL(TDownloadIPCParams aParams, const TDesC8& aPkgURL,

            TFotaClient aRequester, TBool aSilent, TBool aUpdateLtr);

    /**

     * Pauses ongoing download

     *

     * @param   none

     * @return  none, can leave with system wide errors

     */

    void PauseDownloadL();

    /**

     * Start update

     *

     * @since   S60   v3.1

     * @param   aClient - the client which invoked the update

     * @return  none, can leave with system wide errors

     */

    void TryUpdateL(TFotaClient aClient);

    /**

     * Update, triggered by scheduler

     *

     * @since   S60   v3.1

     * @param   aUpdate - Update details

     * @param   aClient - the client which invoked the update

     * @return  none, can leave with system wide errors

     */

    void ScheduledUpdateL(TFotaScheduledUpdate aUpdate, TFotaClient aClient);

    /**

     * Delete swupd package

     *

     * @since   S60   v3.1

     * @param   aPkgId - Package id

     * @return  none, can leave with system wide errors

     */

    void DeletePackageL(const TInt aPkgId);

    /**

     * Get state of a swupd package

     *

     * @since   S60   v3.1

     * @param   aPkgId - Package id

     * @return  Package state, can leave with system wide errors

     */

    TPackageState GetStateL(const TInt aPkgId);

    /**

     * Tries to resume the download.

     *

     * @param   aClient the client which triggers resume

     * @param   aSilentDl	Whether to query user for resume?

     * @return  None, can leave with system wide errors

     */

    void TryResumeDownloadL(TFotaClient aClient, TBool aSilentDl);

    /**

     * Get ids of present swupd packages

     *

     * @since   S60   v3.1

     * @param   aPackageIdList  On return, ids will be here

     * @return  None, can leave with system wide errors

     */

    void GetUpdatePackageIdsL(TDes16& aPackageIdList);

    /**

     * Get time of last update

     *

     * @since   S60   v3.1

     * @param   aTime       On return, time of last update

     * @return  None, can leave with system wide errors

     */

    void GetUpdateTimeStampL(TDes16& aTime);

    void GetCurrentFwDetailsL(TDes8& aName, TDes8& aVersion, TInt& aSize);

    /**

     * Do cleanup for package

     *

     * @since   S60   v3.1

     * @param   aPackageID Packageid

     * @return  None

     */

    void ResetFotaStateL(const TInt aPackageID);

    /**

     * Set download to be finalized. 

     *

     * @since   S60   v3.1

     * @param   aDLState    Final state of the download

     * @return  None, can leave with system wide errors

     */

    void FinalizeDownloadL();

    /**

     * Callback function to notify the network status

     *

     * @param Status of network connection

     * @return None

     */

    void ReportNetworkStatus(TBool status);

    //All user interface functions

    /**

     * Function to start the full screen dialog

     *

     * @since SF4

     * @param aSize - the full size of the download

     * @param aVersion - the version of the firmware upate

     * @param aName - the name of the firmware update

     * @return None

     */

    void StartDownloadDialog(const QString &aName, const QString &aVersion,

            const TInt &Size);

    /**

     * Function to update the full screen dialog with download progress

     *

     * @since SF4

     * @param aProgress - the download progress in percentage

     * @return None

     */

    void UpdateDownloadDialog(TInt aProgress);

    /**

     * Function to show any dialog within fota server 

     *

     * @since SF4

     * @param dialogid -the dialog identifier

     * @return None

     */

    void ShowDialogL(TFwUpdNoteTypes aDialogid);

    /**

     * Function that handles all the user responses on full screen dialog

     *

     * @since SF4

     * @param aResponse - key response

     * @return None

     */

    void HandleFullScreenDialogResponse(TInt aResponse);

    /**

     * Function called from the fota update when battery condition changes 

     *

     * @since SF4

     * @param aStatus - status of the battery, true if low, false if acceptable

     * @return None

     */

    void UpdateBatteryLowInfo(TBool aStatus);

    /**

     * Returns the full screen dialog pointer

     *

     * @since SF4

     * @param none

     * @return pointer to full screen dialog instance

     */

    /**

     * Sets the phone's startup reason which will used by Fota Startup Pluggin to any decision.

     *

     * @param   aReason     Startup reason, either download interrupted

     * @return  None

     */

    void SetStartupReason(TInt aReason);

    void ConstructApplicationUI(TBool aVal);

    void SetServerActive(TBool aValue);

    void FinalizeUpdate();

public:

    // member variables

    /**

     * The package state of the firmware update

     */

    TPackageState iPackageState;

    /**

     * Used for package state saving.

     */

    CFotaDB* iDatabase;

    TBuf8<KMaxFileName> iLastFwUrl;

public:

    // from  base classes

    /**

     * Handle syncml event

     * @param    aEvent

     * @param    aIdentifier

     * @param    aError

     * @param    aAdditionalData

     * @return   none

     */

    void OnSyncMLSessionEvent(TEvent aEvent, TInt aIdentifier, TInt aError,

            TInt aAdditionalData);

    /**

     * Function that is called when any user action happens on the dialogs or full screen dialog

     *

     * @since SF4

     * @param response - key press

     * @return None

     */

    void HandleDialogResponse(int response, TInt aDialogid);

    //All finalizing functions

    /**

     * Finalize download

     *

     * @since   S60   v3.1

     * @param   None

     * @return  None, can leave with system wide errors

     */

    void DoFinalizeDownloadL();

    /**

     * Read update result file and report result back to DM server

     *

     * @since   S60   v3.1

     * @param   None

     * @return  None, can leave with system wide errors

     */

    void DoExecuteResultFileL();

    /**

     * Close syncml session

     *

     * @since   S60 v3.1

     * @param none

     * @return  None, can leave with system wide errors

     */

    void DoCloseSMLSessionL();

    /**

     * When called, will try to shut the server when possible.

     * This will use the timer to shut down.

     *

     * @since   SF4

     * @param none

     * @return  None

     */

    void StopServerWhenPossible();

    void ServerCanShut(TBool aParam);

    TBool DecrementDownloadRestartCount();

    void SetVisible(TBool aVisible);

protected:

    // from base classes

    /**

     * Calls when a New session is getting created

     * @param aVersion

     * @param aMessage

     * @return CSession2*

     */

    CSession2* NewSessionL(const TVersion& aVersion,

            const RMessage2& aMessage) const;

    /**

     * DoConnect. 

     *

     * @since   S60   v3.1

     * @param   aMessage    IPC message

     * @return  none

     */

    void DoConnect(const RMessage2& aMessage);

    void DropSession();

private:

    /**

     * C++ default constructor.

     */

    CFotaServer(HbMainWindow& mainwindow);

    /**

     * ConstructL

     *

     * @since   S60   v3.1

     * @param   none

     * @return  none

     */

    virtual void ConstructL();

    /**

     * Latter part of constructing. It's ensured that parent fotaserver is 

     * constructed only once, and child fotaserver is not constructed at all.

     * Client fotaserver has a task of saving swupd as its only task. It should

     * not update swupd states.

     *

     * @since   S60   v3.1

     * @param   aMessage    Client process details

     * @return  none

     */

    void ClientAwareConstructL(const RMessage2 &aMessage);

    /**

     * Resets the fota state

     * @since S60	v3.2

     * @param IPC params

     * @return None

     */

    void ResetFotaStateToFailL();

    /**

     * Starts network monitoring operaiton for defined interval and retries

     *

     * @since S60	v3.2

     * @param None

     * @return None

     */

    void StartNetworkMonitorL();

    /**

     * Creates the disk reservation as set in the configuration

     *

     * @since SF4

     * @param 

     * @return None

     */

    void CreateDiskReservation();

    /**

     * Deletes the disk reservation in the given absolute path

     *

     * @since SF4

     * @param 

     * @return None

     */

    void DeleteDiskReservation(TDesC& path);

    /**