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// Copyright (c) 2007-2009 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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// e32test\earlyextension\d_testearlyextension.cpp
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//
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//
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#include <kernel/kernel.h>
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#include "d_wsdextension.h"
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_LIT(KWsdExtName, "D_WSDEXTENSION.LDD");
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/** Factory class */
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class DWsdExtLddFactory : public DLogicalDevice
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{
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public:
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DWsdExtLddFactory();
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virtual TInt Install();
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virtual void GetCaps(TDes8 &aDes) const;
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virtual TInt Create(DLogicalChannelBase*& aChannel);
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static TInt iData;
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};
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/** Logical channel */
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class DWsdExtension : public DLogicalChannelBase
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{
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public:
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DWsdExtension();
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~DWsdExtension();
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protected:
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virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
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virtual TInt Request(TInt aReqNo, TAny* a1, TAny* a2);
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virtual TInt RequestUserHandle(DThread* aThread, TOwnerType aType);
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private:
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DThread* iClient;
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};
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TInt DWsdExtLddFactory::iData = 0xEFEFEFEF;
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/** Factory class */
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DWsdExtLddFactory::DWsdExtLddFactory()
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{
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iParseMask=0;
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iUnitsMask=0;
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}
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/** Entry point for this driver */
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//DECLARE_EXTENSION_WITH_PRIORITY(LATE_EXTENSION_PRIORITY)
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DECLARE_STANDARD_EXTENSION()
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{
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Kern::Printf("D_WSDEXTENSION.LDD Start");
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DWsdExtLddFactory* device = new DWsdExtLddFactory;
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if(!device)
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return KErrNoMemory;
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TInt r = Kern::InstallLogicalDevice(device);
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return r;
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}
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DECLARE_EXTENSION_LDD()
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{
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Kern::Printf("D_WSDEXTENSION.LDD Start 2");
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return new DWsdExtLddFactory;
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}
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/** Second stage constuctor */
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TInt DWsdExtLddFactory::Install()
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{
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Kern::Printf("D_WSDEXTENSION.LDD Install");
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return(SetName(&KWsdExtName));
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}
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/** Device capabilities */
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void DWsdExtLddFactory::GetCaps(TDes8& aDes)const
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{
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aDes.FillZ();
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}
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/** Create logical channel, only open of one channel is allowed at a time */
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TInt DWsdExtLddFactory::Create(DLogicalChannelBase*& aChannel)
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{
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if (iOpenChannels != 0) //A Channel is already open
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return KErrInUse;
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aChannel = new DWsdExtension;
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if(!aChannel)
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return KErrNoMemory;
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return KErrNone;
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}
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/** Create channel */
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TInt DWsdExtension::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
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{
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return KErrNone;
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}
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/** Constructor of Logical channel */
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DWsdExtension::DWsdExtension()
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{
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iClient = &Kern::CurrentThread();
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((DObject*)iClient)->Open();
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}
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/** Destructor */
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DWsdExtension::~DWsdExtension()
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{
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// Close our reference on the client thread
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Kern::SafeClose((DObject*&)iClient,NULL);
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}
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/** Handle user side requests */
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TInt DWsdExtension::Request(TInt aReqNo, TAny* a1, TAny*)
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{
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switch(aReqNo)
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{
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case (RLddWsdExtension::EGET_STATIC_DATA):
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{
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TInt i=0;
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i=DWsdExtLddFactory::iData;
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kumemput(a1, &DWsdExtLddFactory::iData, sizeof(TInt));
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return KErrNone;
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}
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}
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return KErrNotSupported;
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}
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/** Restricting handle duplication */
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TInt DWsdExtension::RequestUserHandle(DThread* aThread, TOwnerType aType)
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{
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if (aType!=EOwnerThread || aThread!=iClient)
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return KErrAccessDenied;
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return KErrNone;
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}
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