// Copyright (c) 2009 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:

//

/**

 @file

 @internalTechnology

*/

#include <e32std.h>

#include <f32file.h>

#include "msmanclientserver.h"

#include "rusbhostsession.h"

#include "tmslog.h"

#include "debug.h"

TVersion RUsbHostSession::Version() const

    {

    __MSFNSLOG

    return(TVersion(KUsbHostSrvMajorVersionNumber,

                    KUsbHostSrvMinorVersionNumber,

                    KUsbHostSrvBuildVersionNumber));

    }

EXPORT_C RUsbHostSession::RUsbHostSession()

    {

    __MSFNSLOG

    }

EXPORT_C TInt RUsbHostSession::Connect()

    {

    __MSFNSLOG

    TInt retry = 2;

    for (;;)

        {

        TInt r = CreateSession(KUsbHostServerName, Version());

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

            {

            return r;

            }

        if (--retry == 0)

            {

            return r;

            }

        r = StartServer();

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

            {

            return r;

            }

        }

    }

TInt RUsbHostSession::StartServer()

    {

    __MSFNSLOG

    const TUidType serverUid(KNullUid, KNullUid, KUsbHostServerUid3);

    // Create the server process

    RProcess server;

    TInt r = server.Create(KUsbHostServerName, KNullDesC, serverUid);

    if (r != KErrNone)

        {

        return r;

        }

    // Create the rendezvous request with the server process

    TRequestStatus status;

    server.Rendezvous(status);

    if (status != KRequestPending)

        {

        User::WaitForRequest(status);

        server.Kill(0);    // If the outstanding request is not pending then kill the server

        server.Close();

        return status.Int();

        }

	server.SetPriority(EPriorityHigh);

    server.Resume(); // start the server

    // Test whether the process has ended and if it has ended, return how it ended.

    User::WaitForRequest(status);

    if (status == KRequestPending)

        {

        server.Close();

        return status.Int();

        }

    server.Close();

    return KErrNone;

    }

EXPORT_C TInt RUsbHostSession::Start()

	{

	return SendReceive(EUsbHostStart);

	}