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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 "observer_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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CObserverPlugin* CObserverPlugin::NewL()
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{
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CObserverPlugin* self = new(ELeave) CObserverPlugin;
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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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CObserverPlugin::CObserverPlugin() : iInterceptsEnabled(EFalse),
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iLogging(ETrue)
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{
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}
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void CObserverPlugin::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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CObserverPlugin::~CObserverPlugin()
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{
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iFs.Close();
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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 CObserverPlugin::InitialiseL()
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{
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User::LeaveIfError(iFs.Connect());
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CleanupClosePushL(iFs);
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_LOG(_L("CObserverPlugin InitialiseL"));
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EnableInterceptsL();
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CleanupStack::Pop(); // iFs
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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 CObserverPlugin::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(EFsDriveList, EPrePostIntercept));
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User::LeaveIfError(RegisterIntercept(EFsSubst, EPrePostIntercept));
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User::LeaveIfError(RegisterIntercept(EFsSetSubst, EPrePostIntercept));
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_LOG(_L("Observer 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 CObserverPlugin::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(EFsDriveList, EPrePostIntercept));
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User::LeaveIfError(UnregisterIntercept(EFsSubst, EPrePostIntercept));
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User::LeaveIfError(UnregisterIntercept(EFsSetSubst, EPrePostIntercept));
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_LOG(_L("Observer Plugin: Disabled intercepts."));
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iInterceptsEnabled = EFalse;
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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 CObserverPlugin::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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if (aRequest.IsPostOperation())
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{
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_LOG2(_L("CObserverPlugin post intercept for function %d"), function);
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}
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else
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{
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_LOG2(_L("CObserverPlugin pre intercept for function %d"), function);
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_LOG2(_L("CObserverPlugin pre intercept on drive %d"), aRequest.DriveNumber());
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}
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if(function == EFsFileOpen)
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{
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// Check that FileName can't be used in pre-operation (as the handle doesn't exist yet!)
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TFileName shareName;
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TInt nErr = aRequest.FileName(shareName);
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if (aRequest.IsPostOperation())
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{
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TFileName fileName = aRequest.Src().FullName();
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nErr = shareName.Compare(fileName);
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User::LeaveIfError(nErr);
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}
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else if(nErr != KErrNotSupported)
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{
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User::Leave(KErrArgument);
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}
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}
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return err;
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}
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CFsPluginConn* CObserverPlugin::NewPluginConnL()
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{
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return new(ELeave) CObserverPluginConn();
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}
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//Synchronous RPlugin::DoControl
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TInt CObserverPlugin::FsPluginDoControlL(CFsPluginConnRequest& aRequest)
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{
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TInt err = KErrNone;
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TPckg<TBool> interceptStatusDes(iInterceptsEnabled);
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//We can use this to set the drive
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//We can store this as a member of this class.
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TInt function = aRequest.Function();
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switch(function)
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{
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//case KPluginSetDrive:
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// //{
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// TPckg<TChar> drive(iDriveToTest);
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// TRAP(err,aRequest.ReadParam1L(drive));
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// break;
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// }
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//case KPluginGetError:
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// {
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// TPckg<TInt> errCodeDes(iLastError);
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// TPckg<TInt> errMsgDes(iMessage);
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// TRAP(err,aRequest.WriteParam1L(errCodeDes));
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// TRAP(err,aRequest.WriteParam2L(errMsgDes));
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// break;
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// }
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case KPluginToggleIntercepts:
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{
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iInterceptsEnabled ^= (TBool)1; //toggle intercepts;
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TRAP(err,aRequest.WriteParam1L(interceptStatusDes));
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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 CObserverPluginConn::DoControl(CFsPluginConnRequest& aRequest)
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{
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return ((CObserverPlugin*)Plugin())->FsPluginDoControlL(aRequest);
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}
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void CObserverPluginConn::DoRequest(CFsPluginConnRequest& aRequest)
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{
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DoControl(aRequest);
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}
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void CObserverPluginConn::DoCancel(TInt /*aReqMask*/)
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{
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}
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//factory functions
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class CObserverPluginFactory : public CFsPluginFactory
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{
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public:
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CObserverPluginFactory();
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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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CObserverPluginFactory::CObserverPluginFactory()
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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 CObserverPluginFactory::Install()
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{
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//SetSupportedDrives(1<<23);
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iSupportedDrives = KPluginSupportAllDrives;
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return(SetName(&KObserverPluginName));
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}
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/**
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@internalComponent
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*/
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TInt CObserverPluginFactory::UniquePosition()
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{
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return(KObserverPos);
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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* CObserverPluginFactory::NewPluginL()
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{
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return CObserverPlugin::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* CObserverPluginFactory::NewPluginConnL()
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{
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return CObserverPlugin::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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306 |
return(new CObserverPluginFactory());
|
|
sl@0
|
307 |
}
|
|
sl@0
|
308 |
}
|
|
sl@0
|
309 |
|