// 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;

 	}