/*

* Copyright (c) 2004 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: 

*      Implementation of class FavouritesSrv

*      

*

*/

// INCLUDE FILES

#include <favouritessession.h>

#include "FavouritesSrv.h"

#include "FavouritesSrvSession.h"

#include "FavouritesDef.h"

#include "FavouritesLogger.h"

#include "Timeout.h"

#include "FavouritesUtil.h"

#include "BackupObserver.h"

#include "FavouritesMsg.h"

#ifdef __MYSERVER_NO_PROCESSES__

// ==================== LOCAL FUNCTIONS ====================

/**

* WINS thread entry function.

* @param aPtr Not used.

* @return Error code.

*/

LOCAL_C TInt ThreadEntryFunc( TAny* /*aPtr*/ )

    {

    return FavouritesSrv::Run();

    }

#endif

/**

* Stop the Active Scheduler.

* @param aPtr Not used.

* @return KErrNone.

*/

LOCAL_C TInt StopScheduler( TAny* /*aPtr*/ )

    {

    // Called by the exit timer, after all clients disconnected (plus a small

    // delay). Stop the scheduler, this will enable he thread exit.

    FLOG(( _L("StopScheduler") ));

    CActiveScheduler::Stop();

    return KErrNone;

    }

/**

* Create a server.

* @param Pointer to created server (if created) returned here.

* @return Error code.

*/

LOCAL_C TInt CreateServer( CFavouritesSrv*& aServer )

    {

    // Server is not allowed to be created if Secure Backup is in progress

    TBool backupInProgress = EFalse; // This useless initialization is done 

        // because of RVCT compiler warning so do not delete it.

    TRAPD( err, backupInProgress = FavouritesUtil::IsBackupInProgressL());

    if(!err)

        {

        if(!backupInProgress)

            {

            // The TRAP is not working in the same stack frame where the

            // CTrapCleanup was created. This is why we need this function.

            TRAP( err, aServer = CFavouritesSrv::NewL() );

            }

        else

            {

            err = KErrLocked;

            }

        }

    return err;

    }

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------

// FavouritesSrv::Start

// ---------------------------------------------------------

//

TInt FavouritesSrv::Start()

    {

    FLOG(( _L("FavouritesSrv::Start") ));

    TInt err( KErrNone );

#ifdef __MYSERVER_NO_PROCESSES__

    RThread server;

    err = server.Create

        (

        KFavouritesSrvName,

        ThreadEntryFunc,

        KFavouritesSrvStackSize,

        KFavouritesSrvMinHeapSize,

        KFavouritesSrvMaxHeapSize,

        NULL,

        EOwnerProcess

        );

    FLOG(( _L("  thread created (%d)"), err ));

#else

    RProcess server;

    err = server.Create

        (

        KFavouritesSrvExe,

        KNullDesC,

        TUidType( KNullUid, KNullUid, KFavouritesUid ),

        EOwnerThread

        );

    FLOG(( _L("  process created (%d)"), err ));

#endif

    if ( !err )

        {

        TRequestStatus status;

        server.Rendezvous( status );

        if ( status != KRequestPending )

            {

            FLOG(( _L("FavouritesSrv::Start: abort startup") ));

            server.Kill( 0 );   // Abort startup.

            }

        else

            {

            FLOG(( _L("FavouritesSrv::Start: resume server") ));

            server.Resume();    // Logon OK - start the server.

            }

        User::WaitForRequest( status ); // Wait for start or death.

        // We can't use the 'exit reason' if the server panicked as this

        // is the panic 'reason' and may be '0' which cannot be distinguished

        // from KErrNone.

        err = (server.ExitType() == EExitPanic) ? KErrGeneral : status.Int();

        server.Close();

        }

    FLOG(( _L("FavouritesSrv::Start: returns (%d)"), err ));

    return err;

    }

// ---------------------------------------------------------

// FavouritesSrv::Run

// ---------------------------------------------------------

//

EXPORT_C TInt FavouritesSrv::Run()

    {

    FLOG(( _L("FavouritesSrv::Run") ));

    __UHEAP_MARK;

    CTrapCleanup* trapCleanup = NULL;

    CActiveScheduler* activeScheduler = NULL;

    CFavouritesSrv* server = NULL;

    TInt err = User::RenameThread( KFavouritesSrvName );

    if ( !err )

        {

        // Create a trap cleanup, make and install an active scheduler.

        err = KErrNoMemory;

        trapCleanup = CTrapCleanup::New();

        if ( trapCleanup )

            {

            activeScheduler = new CActiveScheduler();

            if ( activeScheduler )

                {

                CActiveScheduler::Install( activeScheduler );

                err = CreateServer( server );   // Not pushed (no leaving).

                if ( !err )

                    {

                    err = server->Start( KFavouritesSrvName );

                    FLOG(( _L("  server started: (%d)"), err ));

                    }

                }

            }

        }

    // Let the caller know how it went.

#ifdef __MYSERVER_NO_PROCESSES__

    RThread::Rendezvous( err );

#else

    RProcess::Rendezvous( err );

#endif

    if ( !err )

        {

        FLOG(( _L("FavouritesSrv::Run: starting active scheduler") ));

        CActiveScheduler::Start();

        FLOG(( _L("FavouritesSrv::Run: active scheduler stopped") ));

        }

    CActiveScheduler::Install( NULL );

    delete activeScheduler;

    FLOG(( _L("delete server") ));

    delete server;

    delete trapCleanup;

    __UHEAP_MARKEND;

    FLOG(( _L("FavouritesSrv::Run returns (%d)"), err ));

    return err;

    }

// ================= MEMBER FUNCTIONS =======================

// Platform security

// Custom check is applied to all IPCs. As IPC ids contain not only the ids

// but other information is embadded into them.

static const int KRangeCount = 1;

static const TInt SecurityRanges[KRangeCount] = 

	{

	EFavengNullFunction,

	};

static const TUint8 SecurityRangesPolicy[KRangeCount] =

	{

	CPolicyServer::ECustomCheck

	};

static const CPolicyServer::TPolicy Policy =

	{

	CPolicyServer::EAlwaysPass,

	KRangeCount,

	SecurityRanges,

	SecurityRangesPolicy,

	NULL,

	};

// ---------------------------------------------------------

// CFavouritesSrv::CustomSecurityCheckL

// ---------------------------------------------------------

//

CPolicyServer::TCustomResult CFavouritesSrv::CustomSecurityCheckL(

	const RMessage2& aMsg, TInt& /*aAction*/, TSecurityInfo& /*aMissing*/)

	{

		TFavouritesMsg msg( aMsg.Function() );

		TFavouritesFunction func = msg.Function();

		TCustomResult ret = EFail;

		if(func > EFavengTestCapabilityStart && 

		   func < EFavengTestCapabilityEnd)

			{

			if(aMsg.HasCapability(ECapabilityAllFiles))

               	{

               	ret = EPass;

               	}

			}

		else if(func > EFavengReadCapabilityStart && 

		   func < EFavengReadCapabilityEnd)

			{

			if(aMsg.HasCapability(ECapabilityReadUserData))

               	{

               	ret = EPass;

               	}

			}

		else if(func > EFavengWriteCapabilityStart && 

		   func < EFavengWriteCapabilityEnd)

			{

			if(aMsg.HasCapability(ECapabilityWriteUserData))

               	{

               	ret = EPass;

               	}

			}

        else

            {

            // Left empty by design

            }

		return ret;

	}

// ---------------------------------------------------------

// CFavouritesSrv::NewL

// ---------------------------------------------------------

//

CFavouritesSrv* CFavouritesSrv::NewL()

    {

    CFavouritesSrv* srv = new (ELeave) CFavouritesSrv();

    CleanupStack::PushL( srv );

    srv->ConstructL();

    CleanupStack::Pop();

    return srv;

    }

// ---------------------------------------------------------

// CFavouritesSrv::~CFavouritesSrv

// ---------------------------------------------------------

//

CFavouritesSrv::~CFavouritesSrv()

    {

    delete iExitTimer;

    delete iBackupObserver;

    }

// ---------------------------------------------------------

// CFavouritesSrv::SessionClosed

// ---------------------------------------------------------

//

void CFavouritesSrv::SessionClosed()

    {

    FLOG(( _L("CFavouritesSrv::SessionClosed") ));

    iSessionIter.SetToFirst();

    iSessionIter++;

    if ( iSessionIter++ == 0 )

        {

        // Schedule exit when last client has closed.

        iExitTimer->Cancel();   // Safety code: cancel if running.

        FLOG(( _L("  start exit timer") ));

        iExitTimer->After

            ( TTimeIntervalMicroSeconds32( KFavouritesSrvExitDelay ) );

        }

    }

// ---------------------------------------------------------

// CFavouritesSrv::PanicClient()

// ---------------------------------------------------------

//

void CFavouritesSrv::PanicClient( TInt aCode )

    {

    iReceivedMessage.Panic( KFavouritesSrvName, aCode );

    }

// ---------------------------------------------------------

// CFavouritesSrv::CFavouritesSrv

// ---------------------------------------------------------

//

CFavouritesSrv::CFavouritesSrv() : 

	CPolicyServer(CActive::EPriorityStandard, Policy, ESharableSessions)

    {

    }

// ---------------------------------------------------------

// CFavouritesSrv::ConstructL

// ---------------------------------------------------------

//

void CFavouritesSrv::ConstructL()

    {

    FLOG(( _L("CFavouritesSrv::ConstructL") ));

    iExitTimer = CTimeout::NewL

        ( CActive::EPriorityStandard, TCallBack( StopScheduler, NULL ) );

    FLOG(( _L("  start exit timer") ));

    iExitTimer->After

        ( TTimeIntervalMicroSeconds32( KFavouritesSrvExitDelay ) );

    iBackupObserver = CBackupObserver::NewL();

    }

// ---------------------------------------------------------

// CFavouritesSrv::NewSessionL

// ---------------------------------------------------------

//

CSession2* CFavouritesSrv::NewSessionL

( const TVersion& aVersion, const RMessage2& /*aMessage*/ ) const

    {

    FLOG(( _L("CFavouritesSrv::NewSessionL") ));

    if ( !User::QueryVersionSupported

        ( RFavouritesSession::Version(), aVersion ) )

        {

        User::Leave( KErrNotSupported );

        }

    CSession2* session = CFavouritesSession::NewL();

    iExitTimer->Cancel();   // We have a client, cancel exit (if pending).

    return session;

    }

//  End of File