--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/systemstatemgr/sus/src/suspluginloader.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,118 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+//
+
+#include <f32file.h>
+#include <ssm/ssmutility.h>
+#include <ssm/ssmsuscli.h>
+#include "suspluginloader.h"
+#include "suspluginframe.h"
+#include "ssmdebug.h"
+#include "suspanic.h"
+
+_LIT(KRomDriveLetter, "Z:");
+
+/**
+ Loads the specified DLL into an RLibrary. DLL is typechecked and optionally its uid3 can be verified.
+ If the RLibrariy::iHandle was opened pushed onto and left on the CleanupStack.
+ */
+void SusPluginLoader::LoadDllFileLC(RLibrary& aLibrary, const TSsmSupInfo& aSupInfo)
+	{
+	//Enforce that plugins can only be loaded from ROM
+	TBuf<KMaxFileName + 2> filename = aSupInfo.FileName(); //KMaxFileName + KRomDriveLetter().Length()
+	if( filename.Left(2).CompareF(KRomDriveLetter) )
+		{
+		filename.Insert(0, KRomDriveLetter);
+		}
+	
+	const TUid expectedUid3 = aSupInfo.Identity();
+	DoLoadDllFileLC(aLibrary, filename, expectedUid3);
+	}
+
+/**
+ */
+CSusPluginFrame* SusPluginLoader::CreatePluginLC(RLibrary& aLibrary, TInt aNewLOrdinal)
+	{
+	
+	CSusPluginFrame* plugin = SusPluginLoader::DoCreatePluginL(aLibrary, aNewLOrdinal);
+	CleanupStack::PushL(plugin);
+#ifdef _DEBUG 
+	TFileName name = aLibrary.FileName(); 
+#endif
+	DEBUGPRINT2(_L("Utility Plugin [%S] loaded."), &name);	
+	
+	plugin->InitializeL();
+	DEBUGPRINT2(_L("Utility Plugin [%S] initialized."), &name);	
+	
+	plugin->StartL();
+	DEBUGPRINT2(_L("Utility Plugin [%S] started."), &name);	
+	
+	return plugin;
+	}
+
+/**
+ Load the DLL file from the file system.
+ @leave KErrNotSupported If UID2 of the DLL is not KSsmUtilityPluginDllTypeUid
+ @leave KErrNotFound If the requested policy DLL file is missing.
+ @leave KErrBadName If @c aSupInfo contains an Identity different from UID3 of the DLL.
+ @leave KErrCorrupt Or any other system wide error code that the fileserver can rise.
+ */
+void SusPluginLoader::DoLoadDllFileLC(RLibrary& aLibrary, const TDesC& aFileName, TUid aExpectedUid3)
+	{
+	const TInt fileErr = aLibrary.Load(aFileName);
+	CleanupClosePushL(aLibrary);
+	
+	//Leave if we couldn't open aLibrary
+	if (fileErr != KErrNone)
+		{
+		DEBUGPRINT3(_L("Failed to load utility plugin DLL named %S, file error: %d"), &aFileName, fileErr);
+		User::Leave(fileErr);
+		}
+	
+	//Check that the DLL is the SUP type
+	if (aLibrary.Type()[1] != KSsmUtilityPluginDllTypeUid)
+		{
+		DEBUGPRINT4(_L("Wrong type (uid2) in the utility plugin DLL %S. Expected %x found %x"), 
+				&aFileName, KSsmUtilityPluginDllTypeUid, aLibrary.Type()[1]);;
+		User::Leave(KErrNotSupported);
+		}
+	
+	//If we were given a identity, check that the loaded file conforms
+	if ( (aExpectedUid3 != KNullUid) && (aExpectedUid3 != aLibrary.Type()[2]) )
+		{
+		DEBUGPRINT4(_L("Wrong identity (uid3) in the utility plugin DLL %S. Expected %x found %x"), 
+				&aFileName, aExpectedUid3, aLibrary.Type()[2]);
+		User::Leave(KErrBadName);
+		}
+	} //lint !e1746 suppress parameter 'aExpectedUid3' could be made const reference
+
+/**
+ */
+CSusPluginFrame* SusPluginLoader::DoCreatePluginL(const RLibrary& aLibrary, TInt aNewLOrdinal)
+	{
+	__ASSERT_DEBUG(KNullHandle != aLibrary.Handle(), User::Panic(KPanicSsmSus, EPluginLoaderError1));
+	
+	CSusPluginFrame* frame = NULL;
+	TRAPD(err, frame = CSusPluginFrame::NewL(aLibrary.Lookup(aNewLOrdinal), aNewLOrdinal));
+#ifdef _DEBUG
+	if(KErrNone != err)
+		{
+		TFileName name = aLibrary.FileName();
+		DEBUGPRINT4(_L("Specified ordinal function (%d) in DLL %S didn't create a new instance, err=%d."), aNewLOrdinal, &name, err);
+		}
+#endif	
+	SSMLOGLEAVEIFERROR(err);
+	return frame;
+	}
+