--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/systemstarter/src/DllStarter.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,152 @@
+// Copyright (c) 2005-2009 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 "DllStarter.h"
+#include <f32file.h>
+#include "SystemStartupDllInfo.h"
+#include "SysStartDebug.h"
+#include "SysStartDefs.h"
+
+#include "sysstartpanic.h"
+#include "restartsys.h"
+
+
+//
+// Standard Symbian factory functions/destructor
+//
+ 
+CDllStarter* CDllStarter::NewL(const CSystemStartupDllInfo* aDllInfo )
+	{
+	CDllStarter* self = CDllStarter::NewLC(aDllInfo );
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CDllStarter* CDllStarter::NewLC(const CSystemStartupDllInfo* aDllInfo )
+	{
+	CDllStarter* self = new (ELeave) CDllStarter(aDllInfo );
+	CleanupStack::PushL(self);
+	return self;
+	}
+	
+CDllStarter::~CDllStarter()
+	{
+	delete iDllInfo;
+	}
+ 	
+CDllStarter::CDllStarter(const CSystemStartupDllInfo* aDllInfo ):
+	iDllInfo(aDllInfo)  
+	{
+	}
+ 	
+	
+//
+// Public member functions
+//
+
+/** Implementation of MStartupCommand interface.
+This function retrieves the DLL name and ordinal number from its 
+CSystemStartupDllInfo data member. It attempts to load the DLL 
+and call the specified function. 
+
+@see MStartupCommand.
+*/
+void CDllStarter::Execute(TRequestStatus& aStatus)
+	{
+	aStatus = KRequestPending; 
+	DEBUGPRINT1(_L("SysStart: CDllStarter::Execute"));
+	
+	// Find the name of the DLL to be loaded from the information 
+	// already retrieved from the SSC file.
+	TFileName dllName =iDllInfo->DllName();
+	_LIT(KExtension, ".dll");
+	dllName.Append(KExtension);
+    
+    // Initialise variables
+    _LIT(KSysBin, "z:\\sys\\bin\\");
+	RLibrary lib;
+	TInt err = KErrGeneral; 
+	TBool dllLoaded = EFalse; 
+	
+	TUint8 ordinal = iDllInfo->Ordinal();
+ 
+	// The DLL may not be found or the DLL function may return an error 
+	// code. The number of times to re-attempt is specified in the SSC file.
+	TInt attemptsRequired = iDllInfo->NoOfRetries() + 1; 
+  
+ 	while ((err != KErrNone)   && (attemptsRequired-- >0))
+	 	{
+		// Search for and load the DLL. 	 
+       	if ((err = lib.Load(dllName, KSysBin)) == KErrNone)
+ 			{ 
+ 			DEBUGPRINT2(_L("SysStart: dll loaded - %S"), &dllName);
+ 			dllLoaded = ETrue;		 
+ 			}
+ 		else
+			{
+			DEBUGPRINT3(_L("SysStart: Unable to load DLL - %S, error - %d"), &dllName, err);
+			}
+			
+  		// Call the function in the Dll
+  		if (dllLoaded)
+  			{	
+  			// Identify the function to be called according to the ordinal 
+ 			// number specified in the SSC file.
+ 			TLibraryFunction ordinalfunction = lib.Lookup(ordinal);
+ 				
+ 			if (ordinalfunction != NULL)
+ 				{	
+ 				Dllfunctiontype getDllFunction = reinterpret_cast<Dllfunctiontype>(ordinalfunction);
+  		 		DEBUGPRINT2(_L("SysStart: Calling function at ordinal %d."), ordinal);
+  		 		err = (*getDllFunction)(iDllInfo->DllBuffer());
+ 				}
+ 			else
+ 				{
+ 				DEBUGPRINT2(_L("Sysstart: No function at specified ordinal %d"), ordinal);
+ 				err = KErrNotFound;
+ 				// No function exists at the ordinal specified so 
+ 				// there is no point in re-attempting execution.
+ 				attemptsRequired = 0;
+ 				}
+  			}
+	 	}
+ 	
+				 	
+	// Take action on error condition
+	if (err != KErrNone) 
+		{	
+ 		// Check required behaviour on failure specified in SSC
+ 		if (iDllInfo->FailOnError())
+ 			{ 
+			err = RestartSys::RestartSystem();
+			if (KErrNone != err)
+				{
+				DEBUGPRINT2(_L("Sysstart: Restart System Call failed with error %d"), err);
+ 				PanicNow(KPanicDllStarter, ERestartSystemCallFailed);
+				}
+			User::After(5000000); // required by RestartSys API, see comments in RestartSys::RestartSystem()
+ 			}			 
+		}
+ 
+ 	lib.Close();
+  
+	TRequestStatus* requestStatus = &aStatus;
+	User::RequestComplete(requestStatus, err);
+	}
+
+void CDllStarter::Release() 
+	{
+	delete this;
+	}