--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/debug/d_perflogger_ldd.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,176 @@
+// 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 the License "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:
+// A helper test driver for testing Kernel Performance Logger.
+// 
+//
+
+/**
+ @file
+ @internalAll
+*/
+
+#ifndef D_PERFLOGGER_LDD_H__
+#define D_PERFLOGGER_LDD_H__
+
+#include <kernel/kernel.h>
+#include <kernel/kern_priv.h>
+
+#include "t_perflogger_drv.h"
+
+//-- current LDD version
+const TInt KMajorVersionNumber=1;
+const TInt KMinorVersionNumber=0;
+const TInt KBuildVersionNumber=1;
+
+//-----------------------------------------------------------------------------------
+/** panic codes */
+enum TPanic
+	{
+    EWrongRequest,      ///< wrong request number from the user side
+		EReqAlreadyPending  ///< user asynchronous reques is already pending
+	};
+
+//-----------------------------------------------------------------------------------
+
+/**
+	Helper class that provides events generation in ISR, DFC or IDFC context
+*/
+class DLogTicker
+	{
+	public:
+		
+		DLogTicker();
+		~DLogTicker();
+		
+		void Construct(DThread* apUserThreadContext, TDfcQue* apDfcQ, NKern::TContext aLogContext);
+		void Start(const TTestLogCtrl* apLogControl, TRequestStatus* apRqStat);
+		void Cancel(void);
+		void CompleteRequest(TInt aCompletionCode=KErrNone);
+		
+	private:
+		
+		static void LogTimerCallback(TAny* apSelf);
+		static void LogDFC(TAny* apSelf);
+		
+	protected:
+		
+		NTimer          iTimer;        ///< timer for generating events
+		TTestLogCtrl    iLogControl;   ///< log control structure 
+		TClientRequest *iRequest;      ///< encapsulates the client's request status that will be completed when the logging has finished
+		TDfc           *iLogDFC;       ///< DFC for logging.
+		
+		DThread*        iUserThreadContext;///< thread context where the ipRqStat will be completed in
+		NKern::TContext iLogContext;   ///< specifies the desirable context the logging function shall be called from (Kern thread, ISD, IDFC)
+		
+	};
+
+//-----------------------------------------------------------------------------------
+
+/**
+	Logger test helper LDD class.
+	Performs some actions from kernel side on behalf of the user test application.
+	Used for testing kernel performance logger
+
+	This is a singleton class, no more than 1 channel allowed
+*/
+class DKPLoggerTestHelperLDD : public DLogicalChannelBase
+	{
+	public:
+		
+		static DKPLoggerTestHelperLDD* CreateInstance();
+		~DKPLoggerTestHelperLDD();
+		
+	protected:
+		virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+		virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
+		
+		void DoCancel(TUint aReqNumber);
+		TInt DoRequest(TInt aReqNumber, TRequestStatus* apRqStat, TAny* apArg1, TAny* apArg2);
+		TInt DoControl(TInt aFunction,TAny* apArg1,TAny* apArg2);   
+		
+	private:
+		DKPLoggerTestHelperLDD();
+		
+	private:
+		TDfcQue*        iDfcQ;					///< pointer to the Kern::DfcQue0
+		TTestLogCtrl    iLogControlUserThread;	///< log parameters for testting in User-thread context mode.
+		DThread*        iClientThread;			///< pointer to the client thread for requests completion
+
+	public:   
+		
+		
+		DLogTicker      iIsrLogTicker;  ///< generates events in ISR context.
+		DLogTicker      iDfcLogTicker;  ///< generates events in DFC context.
+		DLogTicker      iIDfcLogTicker; ///< generates events in IDFC context.
+
+		static DKPLoggerTestHelperLDD* pSelf;	///< static pointer to the single instance of this class
+
+	};
+
+
+//-----------------------------------------------------------------------------------
+
+
+/**
+	Logger test helper LDD factory class.
+*/
+class DKPLoggerTestHelperLDDFactory : public DLogicalDevice
+	{
+	public:
+		
+		static  DKPLoggerTestHelperLDDFactory* CreateInstance();
+		~DKPLoggerTestHelperLDDFactory();
+		
+		// from DLogicalDevice
+		virtual TInt Install();
+		virtual void GetCaps(TDes8& aDes) const;
+		virtual TInt Create(DLogicalChannelBase*& aChannel);
+		
+	private:
+		
+		DKPLoggerTestHelperLDDFactory();
+	};
+
+
+//-----------------------------------------------------------------------------------
+//-- debug print macros. Debug print in this component is absolutely not important and exists only 
+//-- for debugging purposes. So that, devising a mask for __KTRACE_OPT isn't necessary.
+//-----------------------------------------------------------------------------------
+
+//-- define this macro if you wish a debug trace from this driver.
+//#define ENABLE_DEBUG_TRACE
+
+#if defined(ENABLE_DEBUG_TRACE) && (defined(_DEBUG) || defined(_DEBUG_RELEASE))
+#define __PRINT(t)          { Kern::Printf(t);}
+#define __PRINT1(t,a)       { Kern::Printf(t,a);}
+#define __PRINT2(t,a,b)     { Kern::Printf(t,a,b);}
+#define __PRINT3(t,a,b,c)   { Kern::Printf(t,a,b,c);}
+#define __PRINT4(t,a,b,c,d) { Kern::Printf(t,a,b,c,d);}
+#else
+#define __PRINT(t)
+#define __PRINT1(t,a)
+#define __PRINT2(t,a,b)
+#define __PRINT3(t,a,b,c)
+#define __PRINT4(t,a,b,c,d)
+#endif
+
+//-----------------------------------------------------------------------------------
+
+
+
+#endif  //D_PERFLOGGER_LDD_H__
+
+
+
+