/*

* Copyright (c) 2007 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: 

*       

*

*/

#include <flogger.h>

#include "cmssession.h"

#include "cmscommondefines.h"

//CLASS DECLARATION

EXPORT_C RCmsSession::RCmsSession() : iConnected( EFalse )

    {

    }

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

// RCmsClient::Version

// 

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

//

EXPORT_C TVersion RCmsSession::Version() const

	{

	return TVersion( KCmsSrvMajorVersionNumber,

					 KCmsSrvMinorVersionNumber,

					 KCmsSrvBuildVersionNumber );

	}

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

// RCmsClient::~RCmsClient

// 

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

//

EXPORT_C RCmsSession::~RCmsSession()

    {

    }

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

// RCmsClient::Connect

// 

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

//

EXPORT_C TInt RCmsSession::Connect()

    {

    #ifdef _DEBUG

        RCmsSession::WriteToLog( _L8( "RCmsSession::Connect()" ) );

    #endif

    TInt ret = KErrNone;

    if( !iConnected )

        {

        TInt threadStart = StartServer();

        #ifdef _DEBUG

            RCmsSession::WriteToLog( _L8( "  StartServer() returned %d" ), threadStart );

        #endif

        if( threadStart == KErrNone || threadStart == KErrAlreadyExists )

            {

            ret = CreateSession( KCmsServerLib, Version(), KTTDefaultMessageSlots );

            #ifdef _DEBUG

                RCmsSession::WriteToLog( _L8( "  CreateSession() returned %d" ), ret );

            #endif

            iConnected = ( ret == KErrNone );

            }

        else ret = threadStart;    

        }

    return ret; 

    }

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

// RCmsSession::StartServer

//

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

//

TInt RCmsSession::StartServer()

    {

    #ifdef _DEBUG

        RCmsSession::WriteToLog( _L8( "RCmsSession::StartServer()" ) );

    #endif

    TInt ret = KErrNone;

    TRequestStatus status = KRequestPending; 

    if ( !IsRunning() )

        {

        RProcess server;

        ret = server.Create( KCmsServerExe, KNullDesC );

        #ifdef _DEBUG

            RCmsSession::WriteToLog( _L8( "  RThread::Create() returned: %d" ), ret );

        #endif      

        if( ret != KErrNone )

            return ret;     

        server.Rendezvous( status );    	

        status != KRequestPending ? server.Kill( 0 ) : server.Resume();

        //Wait for start or death 

        User::WaitForRequest( status );	

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

        server.Close();	

        }

    return ret;

    }

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

// RCmsSession::IsRunning

//

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

//

TBool RCmsSession::IsRunning()

    {

    #ifdef _DEBUG

        RCmsSession::WriteToLog( _L8( "RCmsSession::IsRunning()" ) );

    #endif

    TFullName name;

    return ( findServer.Next( name ) == KErrNone );

    } 

#ifdef _DEBUG

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

// RCmsSession::::WriteToLog

// 

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

//

void RCmsSession::WriteToLog( TRefByValue<const TDesC8> aFmt,... )

    {

    VA_LIST list;

    VA_START( list, aFmt );

    TBuf8<KClientLogBufferMaxSize> buf;

    buf.FormatList( aFmt, list );

    RFileLogger::Write( KCmsClientLogDir, KCmsClientLogFile, EFileLoggingModeAppend, buf );

    RDebug::RawPrint( buf );

    }

#endif  //_DEBUG