os/kernelhwsrv/kerneltest/f32test/plugins/version_2/src/combinational2_plugin.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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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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//
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#include "Combinational2_plugin.h"
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#include "plugincommon.h"
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#include <f32pluginutils.h>
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/**
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Leaving New function for the plugin
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@internalComponent
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*/
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CCombinational2Plugin* CCombinational2Plugin::NewL()
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	{
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	CCombinational2Plugin* self = new(ELeave) CCombinational2Plugin;
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop();
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	return self;
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	}
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/**
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Constructor for the plugin
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@internalComponent
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*/
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CCombinational2Plugin::CCombinational2Plugin() : iInterceptsEnabled(EFalse),
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									 iLogging(ETrue)
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	{
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	}
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void CCombinational2Plugin::ConstructL()
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	{
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	}
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/**
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The destructor for the plugin
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@internalComponent
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*/
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CCombinational2Plugin::~CCombinational2Plugin()
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	{
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	}
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/**
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Initialise the plugin.
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@internalComponent
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*/
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void CCombinational2Plugin::InitialiseL()
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	{
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	_LOG(_L("CCombinational2Plugin InitialiseL"));
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	EnableInterceptsL();
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	}
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/**
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Enable the plugin's intercepts.
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@internalComponent
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*/
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void CCombinational2Plugin::EnableInterceptsL()
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	{
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	if (iInterceptsEnabled) return;
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	User::LeaveIfError(RegisterIntercept(EFsFileRead,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileWrite,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsDirOpen,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileLock,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileUnLock,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileSeek,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileSize,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileSetSize,	EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsDirReadOne,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsDirReadPacked,	EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileOpen,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileCreate,		EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileReplace,	EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileRename,		EPrePostIntercept));
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   	User::LeaveIfError(RegisterIntercept(EFsReadFileSection,EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsFileSubClose,   EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsEntry,        	EPrePostIntercept));
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	User::LeaveIfError(RegisterIntercept(EFsSetEntry,      	EPrePostIntercept));
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	_LOG(_L("Combinational2 Plugin: Enabled intercepts."));
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	iInterceptsEnabled = ETrue;
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	}
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/**
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Disable the plugin's intercepts.
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@internalComponent
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*/
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void CCombinational2Plugin::DisableInterceptsL()
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	{
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	if (!iInterceptsEnabled) return;
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	User::LeaveIfError(UnregisterIntercept(EFsFileRead,			EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileRename,		EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileWrite,		EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsDirOpen,			EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileLock,			EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileUnLock,		EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileSeek,			EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileSize,			EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileSetSize,		EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileCreate,		EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileOpen, 		EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileReplace, 		EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsFileSubClose, 	EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsReadFileSection,	EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsDirReadOne,		EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsDirReadPacked,	EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsEntry,        	EPrePostIntercept));
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	User::LeaveIfError(UnregisterIntercept(EFsSetEntry,      	EPrePostIntercept));
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	_LOG(_L("Combinational2 Plugin: Disabled intercepts."));
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	iInterceptsEnabled = EFalse;
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	}
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/*
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	Test second stage: - This is part of a test which is opening a different file in CombinationalPlugin1.
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			We need to get the entry here and make sure its for the right file.
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*/
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TInt CCombinational2Plugin::DoEntry(TFsPluginRequest& aRequest)
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	{
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	TInt err = KErrNone;
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	if(aRequest.IsPostOperation()) //post
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		{
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		}
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	else // PRE
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		{
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		err = KErrNone;
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		TEntry entry;
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		RFsPlugin fs(aRequest);
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		TFileName name;
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		name = aRequest.Src().FullName();	//STF: Is this valid for entry?
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		err = fs.Connect();
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		iLastError = err;
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		iLineNumber = __LINE__;
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		if(err!=KErrNone)
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			return err;
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		err = fs.Entry(name, entry);
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		iLastError = err;
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		iLineNumber = __LINE__;
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		if(err!=KErrNone)
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			return err;
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		TPckgC<TEntry> e(entry);
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		err = aRequest.Write(TFsPluginRequest::EEntry,e);
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		iLastError = err;
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		iLineNumber = __LINE__;
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		if(err!=KErrNone)
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			return err;
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		fs.Close();
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		return KErrCompletion;
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		}
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	return err;
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	}
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/**
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Handle requests
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@internalComponent
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*/
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TInt CCombinational2Plugin::DoRequestL(TFsPluginRequest& aRequest)
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	{
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	TInt err = KErrNone;
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	TInt function = aRequest.Function();
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	switch(function)
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		{
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		case EFsEntry:
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			err = DoEntry(aRequest);
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			break;
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		default:
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			break;
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		}
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	return err;
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	}
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CFsPluginConn* CCombinational2Plugin::NewPluginConnL()
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	{
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	return new(ELeave) CCombinational2PluginConn();
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	}
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//Synchronous RPlugin::DoControl
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TInt CCombinational2Plugin::FsPluginDoControlL(CFsPluginConnRequest& aRequest)
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	{	
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	TInt err = KErrNone;
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	TInt function = aRequest.Function();
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	TPckg<TInt> errCodeDes(iLastError);
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	TPckg<TInt> lineNumberDes(iLineNumber);
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	switch(function)
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		{
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		case KPluginGetError:
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			{
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			TRAP(err,aRequest.WriteParam1L(errCodeDes));
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			TRAP(err,aRequest.WriteParam2L(lineNumberDes));
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			break;
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			}
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		default:
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			break;
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		}
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	return err;
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	}
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TInt CCombinational2PluginConn::DoControl(CFsPluginConnRequest& aRequest)
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	{
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	return ((CCombinational2Plugin*)Plugin())->FsPluginDoControlL(aRequest);
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	}
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void CCombinational2PluginConn::DoRequest(CFsPluginConnRequest& aRequest)
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	{
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	DoControl(aRequest);
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	}
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void CCombinational2PluginConn::DoCancel(TInt /*aReqMask*/)
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	{
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	}
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//factory functions
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class CCombinational2PluginFactory : public CFsPluginFactory
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	{
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public:
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	CCombinational2PluginFactory();
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	virtual TInt Install();			
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	virtual CFsPlugin* NewPluginL();
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	virtual CFsPlugin* NewPluginConnL();
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	virtual TInt UniquePosition();
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	};
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/**
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Constructor for the plugin factory
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@internalComponent
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*/
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CCombinational2PluginFactory::CCombinational2PluginFactory()
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	{
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	}
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/**
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Install function for the plugin factory
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@internalComponent
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*/
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TInt CCombinational2PluginFactory::Install()
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	{
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	SetSupportedDrives(KPluginSupportAllDrives);
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	return(SetName(&KCombinational2PluginName));
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	}
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/**
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@internalComponent
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*/
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TInt CCombinational2PluginFactory::UniquePosition()
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	{
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	return(KCombinational2Pos);
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	}
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/**
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Plugin factory function
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@internalComponent
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*/
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CFsPlugin* CCombinational2PluginFactory::NewPluginL()
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	{
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	return CCombinational2Plugin::NewL();
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	}
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/**
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Plugin factory function
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@internalComponent
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*/
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CFsPlugin* CCombinational2PluginFactory::NewPluginConnL()
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	{
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	return CCombinational2Plugin::NewL();
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	}
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/**
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Create a new Plugin
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@internalComponent
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*/
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extern "C" {
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EXPORT_C CFsPluginFactory* CreateFileSystem()
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	{
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	return(new CCombinational2PluginFactory());
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	}
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}
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