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// Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// cusbhostmsderver.cpp
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//
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//
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/**
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@file
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@internalTechnology
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*/
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#include <e32svr.h>
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#include "msctypes.h"
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#include "shared.h"
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#include "msgservice.h"
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#include "usbmshostpanic.h"
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#include "cusbhostmssession.h"
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#include "cusbhostmsserver.h"
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#include "securitypolicy.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "cusbhostmsserverTraces.h"
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#endif
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/**
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Constructs a USB mass storage Server
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*/
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CUsbHostMsServer* CUsbHostMsServer::NewLC()
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{
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CUsbHostMsServer* r = new (ELeave) CUsbHostMsServer();
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CleanupStack::PushL(r);
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r->StartL(KUsbHostMsServerName);
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return r;
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}
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/**
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Destructor
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*/
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CUsbHostMsServer::~CUsbHostMsServer()
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{
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// Intentionally left blank
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}
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/**
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Constructor
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*/
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CUsbHostMsServer::CUsbHostMsServer()
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: CPolicyServer(EPriorityHigh,KUsbMsServerPolicy, EGlobalSharableSessions)
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{
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}
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/**
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Create a new session on this server.
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@param aVersion Version of client
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@param aMessage& Not used
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@return CSession2* A pointer to a session object to be used for the client
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*/
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CSession2* CUsbHostMsServer::NewSessionL(const TVersion &aVersion, const RMessage2& /*aMessage*/) const
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{
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TVersion v(KUsbHostMsSrvMajorVersionNumber,
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KUsbHostMsSrvMinorVersionNumber,
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KUsbHostMsSrvBuildVersionNumber);
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if (!User::QueryVersionSupported(v, aVersion))
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User::Leave(KErrNotSupported);
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CUsbHostMsServer* ncThis = const_cast<CUsbHostMsServer*>(this);
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CUsbHostMsSession* sess = CUsbHostMsSession::NewL(*ncThis);
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return sess;
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}
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/**
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Inform the client there has been an error.
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@param aError The error that has occurred
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*/
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void CUsbHostMsServer::Error(TInt aError)
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{
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OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, CUSBHOSTMSSERVER_10,
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"CUsbHostMsServer::Error [aError=%d]\n", aError);
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Message().Complete(aError);
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ReStart();
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}
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/**
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Increment the open session count (iSessionCount) by one.
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@post The number of open sessions is incremented by one
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*/
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void CUsbHostMsServer::IncrementSessionCount()
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{
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OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, CUSBHOSTMSSERVER_11,
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"CUsbHostMsServer::IncrementSessionCount %d", iSessionCount);
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__ASSERT_DEBUG(iSessionCount >= 0, User::Panic(KUsbMsHostPanicCat, EUsbMsPanicIllegalIPC));
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++iSessionCount;
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}
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/**
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Decrement the open session count (iSessionCount) by one.
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@post The number of open sessions is decremented by one
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*/
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void CUsbHostMsServer::DecrementSessionCount()
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{
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OstTrace1(TRACE_SHOSTMASSSTORAGE_HOST, CUSBHOSTMSSERVER_12,
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"CUsbHostMsServer::DecrementSessionCount %d", iSessionCount);
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__ASSERT_DEBUG(iSessionCount > 0, User::Panic(KUsbMsHostPanicCat, EUsbMsPanicIllegalIPC));
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--iSessionCount;
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}
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