// Copyright (c) 2008-2009 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:

// cusbhostmsderver.cpp

// 

//

/**

 @file

 @internalTechnology

*/

#include <e32svr.h>

#include "msctypes.h"

#include "shared.h"

#include "msgservice.h"

#include "usbmshostpanic.h"

#include "cusbhostmssession.h"

#include "cusbhostmsserver.h"

#include "msdebug.h"

#include "debug.h"

#include "securitypolicy.h"

/**

Constructs a USB mass storage Server

*/

CUsbHostMsServer* CUsbHostMsServer::NewLC()

	{

    __MSFNSLOG

	CUsbHostMsServer* r = new (ELeave) CUsbHostMsServer();

	CleanupStack::PushL(r);

	r->StartL(KUsbHostMsServerName);

	return r;

	}

/**

Destructor

*/

CUsbHostMsServer::~CUsbHostMsServer()

	{

    __MSFNLOG

    // Intentionally left blank

	}

/**

Constructor

*/

CUsbHostMsServer::CUsbHostMsServer()

:   CPolicyServer(EPriorityHigh,KUsbMsServerPolicy, EGlobalSharableSessions)

	{

    __MSFNLOG

	}

/**

Create a new session on this server.

@param aVersion Version of client

@param aMessage& Not used

@return CSession2* A pointer to a session object to be used for the client

*/

CSession2* CUsbHostMsServer::NewSessionL(const TVersion &aVersion, const RMessage2& /*aMessage*/) const

	{

    __MSFNSLOG

	TVersion v(KUsbHostMsSrvMajorVersionNumber,

               KUsbHostMsSrvMinorVersionNumber,

               KUsbHostMsSrvBuildVersionNumber);

	if (!User::QueryVersionSupported(v, aVersion))

		User::Leave(KErrNotSupported);

	CUsbHostMsServer* ncThis = const_cast<CUsbHostMsServer*>(this);

	CUsbHostMsSession* sess = CUsbHostMsSession::NewL(*ncThis);

	return sess;

	}

/**

Inform the client there has been an error.

@param aError The error that has occurred

*/

void CUsbHostMsServer::Error(TInt aError)

	{

    __MSFNLOG

	__HOSTPRINT1(_L("CUsbHostMsServer::Error [aError=%d]\n"), aError);

	Message().Complete(aError);

	ReStart();

	}

/**

Increment the open session count (iSessionCount) by one.

@post The number of open sessions is incremented by one

*/

void CUsbHostMsServer::IncrementSessionCount()

	{

    __MSFNLOG

	__HOSTPRINT1(_L("CUsbHostMsServer::IncrementSessionCount %d\n"), iSessionCount);

	__ASSERT_DEBUG(iSessionCount >= 0, User::Panic(KUsbMsHostPanicCat, EUsbMsPanicIllegalIPC));

	++iSessionCount;

	__HOSTPRINT(_L("CUsbHostMsServer::IncrementSessionCount\n"));

	}

/**

Decrement the open session count (iSessionCount) by one.

@post The number of open sessions is decremented by one

*/

void CUsbHostMsServer::DecrementSessionCount()

	{

    __MSFNLOG

	__HOSTPRINT1(_L("CUsbHostMsServer::DecrementSessionCount %d\n"), iSessionCount);

	__ASSERT_DEBUG(iSessionCount > 0, User::Panic(KUsbMsHostPanicCat, EUsbMsPanicIllegalIPC));

	--iSessionCount;

	}