/*

* Copyright (c) 2006-2006 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:  RCCHServer implementation

*

*/

// INCLUDE FILES

#include <cchclientserver.h>

#include "cchserver.h"

#include "cchlogger.h" 

#include "cchclientserverinternal.h"

// EXTERNAL DATA STRUCTURES

// None

// EXTERNAL FUNCTION PROTOTYPES

// None

// CONSTANTS

// None

// MACROS

// None

// LOCAL CONSTANTS AND MACROS

const TUint8 KCCHServerStartAttempts = 2;

// MODULE DATA STRUCTURES

// None

// LOCAL FUNCTION PROTOTYPES

// None

// FORWARD DECLARATIONS

// None

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

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

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

// RCCHServer::RCCHServer

// C++ default constructor can NOT contain any code, that might leave.

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

//

EXPORT_C RCCHServer::RCCHServer() : RSessionBase()

    {

    CCHLOGSTRING( "RCCHServer::RCCHClient" );    

    }

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

// RCCHServer::Connect

// (other items were commented in a header).

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

//

EXPORT_C TInt RCCHServer::Connect()

    {

    CCHLOGSTRING( "RCCHServer::Connect" );

    TInt error( KErrNone );

    TUint8 retry = KCCHServerStartAttempts;

    for ( ;; )

        {

        error = CreateSession( KCCHServerName, 

                               Version(), 

                               KCCHMessageSlots );

        CCHLOGSTRING2

            ("RCCHServer CreateSession result: %d", error );

        if ( KErrNotFound != error && KErrServerTerminated != error )

            {

            break;

            }

        // Need to restart server

        if ( 0 == --retry )

            {

            break;

            }                    

        error = StartServer();

        CCHLOGSTRING2

            ( "RCCHServer::Connect, StartServer() returned %d", error );

        if ( KErrNone != error && KErrAlreadyExists != error )

            {

            break;

            }

        }

    return error;    

    }

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

// RCCHServer::Disconnect

// (other items were commented in a header).

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

//

EXPORT_C void RCCHServer::Disconnect()

    {

    CCHLOGSTRING( "RCCHServer::Disconnect" );

    RHandleBase::Close();

    }

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

// RCCHServer::Version

// (other items were commented in a header).

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

//

TVersion RCCHServer::Version() const

    {

    return ( TVersion( KCCHServMajorVersionNumber,

                       KCCHServMinorVersionNumber,

                       KCCHServBuildVersionNumber ) );

    }

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

// RCCHServer::StartServer

// (other items were commented in a header).

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

//

EXPORT_C TInt RCCHServer::StartServer() const

    {

    CCHLOGSTRING( "RCCHServer::StartServer" );

    TInt error( KErrNone );

    RProcess server;

    const TUidType serverUid( KNullUid, KNullUid, KCCHServerUid );

    error = server.Create( KCCHServerExe, KNullDesC, serverUid );

    if ( KErrNone == error )

        {

        TRequestStatus status;

        server.Rendezvous( status );

        if ( status != KRequestPending )

            {

            server.Kill( 0 );   // abort startup

            }

        else

            {

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

            }

        CCHLOGSTRING( "RCCHServer::StartServer(): Started" );

        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

        error = 

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

        server.Close();

        }

    return error;

    }

// ========================== OTHER EXPORTED FUNCTIONS =======================

//  End of File