// Copyright (c) 1997-2009 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:

// Comms Debug Utility (File and Serial logger) Client side header

// 

//

/**

*/

#ifndef __COMMSDEBUGUTILITY_H__

#define __COMMSDEBUGUTILITY_H__

#ifndef __FLOG_NO_UDEB

	#ifdef _DEBUG

		#ifndef __FLOG_ACTIVE

			#define __FLOG_ACTIVE

		#endif

	#endif // _DEBUG

#endif //__FLOG_NO_UDEB

#ifdef __FLOG_UREL

	#ifndef _DEBUG

		#ifndef __FLOG_ACTIVE

			#define __FLOG_ACTIVE

		#endif //__FLOG_ACTIVE

	#endif //_DEBUG

#endif //__FLOG_UREL

#define __FLOG_DECLARATION_MEMBER_SIZE   TInt32

// constants available to clients in either build so they can be used in classes

#include <e32base.h>

const TInt KLogBufferSize=200;		///< Any attempt to write logs longer than KLogBufferSize and the client string will be truncated.

const TInt KMaxHexDumpWidth = 150;	///< If the client asks to hexdump a string longer than this, the string will be truncated

const TInt KMaxTagLength = 16;		///< Maximum length of the client tag strings. Exceeding this causes the tag to be truncated.

#if defined __FLOG_ACTIVE

// make sure clients using this in release mode get a warning.

#if (!defined __FLOG_SUPPRESS_REL_WARNING) && (!defined _DEBUG)

#pragma message ("WARNING: Use of comms-infras/CommsDebugUtility.h in active mode in a release build")

#endif

const TInt KMaxMediaSettingLength = 0x20; ///< Maximum expected length for media setting tag

_LIT(KFloggerPanic, "Comsdbgutil.dll");		///< The text which defines any flogger panic. Sent to User::Panic.

/**

 * Panic codes

 *

 * @note The order of the panic numbers should not be changed.

 *       New panic codes must be added at the end of this enum.

 *       All panic codes are assigned to values to ease debugging.

 */

enum TFloggerPanics

	{

	ESetLogTagsNotCalled = 0,   ///< Attempt by client to write without first setting the ID tags

	EInternalConsistencyFault = 1   ///< A situation has arisen which indicates a programming fault in flogger since the situation should not be caused by any external inputs

	};

/**

 * Logging Mode codes

 *

 * @deprecated As of version 8.0 the logging modes are deprecated due to the introduction

 *             of a single log file. Appent mode is the default for all write operations,

 *             while Overwrite can be achieved using new __FLOG_CLEAR macro, or ClearLog API.

 */

enum TFileLoggingMode 

	{

	EFileLoggingModeUnknown =0,  ///< Deprecated - has no effect

	EFileLoggingModeAppend,      ///< Deprecated - has no effect

	EFileLoggingModeOverwrite,    ///< Deprecated - has no effect

	EFileLoggingModeAppendRaw,	 ///< Deprecated - has no effect

	EFileLoggingModeOverwriteRaw ///< Deprecated - has no effect	

	};

class RFileLoggerBody;

/**

 * Flogger - File and Serial Logger client interface 

 *

 * This class is responsible for providing all functions

 * clients require of the flogger system. It is preferred, though,

 * that clients use the provided macros which refer to these API's

 * so that all logging code is governed by the global __FLOG_ACTIVE

 * macro setting. The macro's are not currently documented using

 * doxygen - you will need to consult the flogger user guide instead.

 * RFileLogger is the only exported interface for the flogger component.

 */

class RFileLogger

	{

public:

	IMPORT_C RFileLogger();

	IMPORT_C ~RFileLogger();

	IMPORT_C TVersion Version() const;

	IMPORT_C TInt Connect();

	IMPORT_C void SetDateAndTime(TBool aUseDate,TBool aUseTime);	//Deprecated. Does nothing.

	IMPORT_C void CreateLog(const TDesC& aSubsystem, const TDesC& aComponent, TFileLoggingMode /*aMode*/);	//Deprecated. Use SetLogTags instead.

	IMPORT_C void CloseLog();	//Deprecated.

	IMPORT_C static void Write(const TDesC& aSubsystem, const TDesC& aComponent, TFileLoggingMode /*aMode*/, const TDesC16& aText);   // Removed

	IMPORT_C static void WriteFormat(const TDesC& aSubsystem, const TDesC& aComponent, TFileLoggingMode aMode, TRefByValue<const TDesC16> aFmt,...); // Removed

	IMPORT_C static void WriteFormat(const TDesC& aSubsystem, const TDesC& aComponent, TFileLoggingMode /*aMode*/, TRefByValue<const TDesC16> aFmt, VA_LIST& aList);  // Removed

	IMPORT_C static void Write(const TDesC& aSubsystem, const TDesC& aComponent, TFileLoggingMode /*aMode*/, const TDesC8& aText);  // Removed

	IMPORT_C static void WriteFormat(const TDesC& aSubsystem, const TDesC& aComponent, TFileLoggingMode aMode, TRefByValue<const TDesC8> aFmt,...);  // Removed

	IMPORT_C static void WriteFormat(const TDesC& aSubsystem, const TDesC& aComponent, TFileLoggingMode /*aMode*/, TRefByValue<const TDesC8> aFmt, VA_LIST& aList);  // Removed

	IMPORT_C static void HexDump(const TDesC& aSubsystem, const TDesC& aComponent, TFileLoggingMode /*aMode*/, const TText* aHeader, const TText* aMargin, const TUint8* aPtr, TInt aLen);  // Removed

	IMPORT_C static void Write(const TDesC8& aSubsystem, const TDesC8& aComponent, const TDesC16& aText);

	IMPORT_C static void WriteFormat(const TDesC8& aSubsystem, const TDesC8& aComponent, const TRefByValue<const TDesC16> aFmt,...);

	IMPORT_C static void WriteFormat(const TDesC8& aSubsystem, const TDesC8& aComponent, const TRefByValue<const TDesC16> aFmt, VA_LIST& aList);

	IMPORT_C static void Write(const TDesC8& aSubsystem, const TDesC8& aComponent, const TDesC8& aText);

	IMPORT_C static void WriteFormat(const TDesC8& aSubsystem, const TDesC8& aComponent, const TRefByValue<const TDesC8> aFmt,...);

	IMPORT_C static void WriteFormat(const TDesC8& aSubsystem, const TDesC8& aComponent, const TRefByValue<const TDesC8> aFmt, VA_LIST& aList);

	IMPORT_C static void HexDump(const TDesC8& aSubsystem, const TDesC8& aComponent, const TDesC8& aData, const TDesC8& aHeader = TPtrC8(NULL,0));

	IMPORT_C void Write(const TDesC16& aText);

	IMPORT_C void WriteFormat(TRefByValue<const TDesC16> aFmt,...);

	IMPORT_C void WriteFormat(TRefByValue<const TDesC16> aFmt, VA_LIST& aList);

	IMPORT_C void Write(const TDesC8& aText);

	IMPORT_C void WriteFormat(TRefByValue<const TDesC8> aFmt,...);

	IMPORT_C void WriteFormat(TRefByValue<const TDesC8> aFmt, VA_LIST& aList);

	IMPORT_C void WriteBinary(const TDesC8& aData);

	IMPORT_C void HexDump(const TText* aHeader, const TText* aMargin, const TUint8* aPtr, TInt aLen);

	IMPORT_C void HexDump(const TDesC8& aData, const TDesC8& aHeader = TPtrC8(NULL,0));

	IMPORT_C TInt LastError() const;	//Deprecated.

	IMPORT_C TBool LogValid() const;	//Deprecated.

	IMPORT_C void Close();

	IMPORT_C TInt ClearLog();

	IMPORT_C TInt SetLogTags(const TDesC8& aSubsystem, const TDesC8& aComponent);

	IMPORT_C TInt Handle() const;

	IMPORT_C TInt Share();

	IMPORT_C void __DbgShutDownServer();	//For testing purposes only

	IMPORT_C void __DbgSetHeapFailure(TInt aFailAfter);

private:

	TInt DoConnect();

	TInt DoSetLogTags(const TDesC8& aSubsystem, const TDesC8& aComponent);

	void DoWrite(const TDesC8& aBuf);

	void DoWriteFormat(TRefByValue<const TDesC16> aFmt, VA_LIST& aList);

	void DoWriteFormat(TRefByValue<const TDesC8> aFmt, VA_LIST& aList);

	void DoSendStaticWrite(const TDesC8& aDir, const TDesC8& aName, const TDesC8& aBuf);

	static void DoStaticWrite(const TDesC8& aDir, const TDesC8& aName, const TDesC8& aBuf);

	static void DoStaticWriteFormat(const TDesC8& aDir, const TDesC8& aName, const TRefByValue<const TDesC16> aFmt, VA_LIST& aList);

	static void DoStaticWriteFormat(const TDesC8& aDir, const TDesC8& aName, const TRefByValue<const TDesC8> aFmt, VA_LIST& aList);

	void DoHexDump(const TText* aHeader, const TText* aMargin, const TUint8* aPtr, TInt aLen);

	void DoHexDump(const TDesC8& aData, const TDesC8& aHeader, const TDesC8& aMargin);

	TBool IsLogging();

	RFileLogger& operator=(const RFileLogger& aLogger);	//Outlaw copying RFileLogger objects.

	RFileLogger(const RFileLogger& aLogger); //Outlaw copy constructor

private:

	RFileLoggerBody* iLoggerBody;   ///< Reference to all the data the client interface requires. This keeps the class size small and less likely to change in size.

	};

// Consult the How-to/User Guide for how to use these macros

// Sundry Logging Macros

#define __FLOG_DECLARATION_MEMBER_MUTABLE  mutable RFileLogger __logger__

#define __FLOG_DECLARATION_MEMBER		   RFileLogger __logger__

#define __FLOG_DECLARATION_VARIABLE		   RFileLogger __logger__

#define __FLOG_OPEN(subsys,compnt)		__logger__.Connect();\

										__logger__.SetLogTags(subsys,compnt)

#define __FLOG_OPENC(subsys,compnt)		__logger__.Connect();\

										__logger__.SetLogTags(subsys,compnt);\

										CleanupClosePushL(__logger__)

#define __FLOG_CLOSE					__logger__.Close()

#define __FLOG_CLOSE_CLEANUP			CleanupStack::PopAndDestroy(&__logger__)

#define __FLOG_CLEAR					__logger__.ClearLog()

#define __FLOG_SET_TAGS(subsys,compnt)	__logger__.SetLogTags(subsys,compnt)

#define __FLOG_STMT(text) text

// Connected Output Logging Macros

#define __FLOG_0(text)					__logger__.Write(text)

#define __FLOG_1(text,a)				__logger__.WriteFormat(text,a)

#define __FLOG_2(text,a,b)				__logger__.WriteFormat(text,a,b)

#define __FLOG_3(text,a,b,c)			__logger__.WriteFormat(text,a,b,c)

#define __FLOG_4(text,a,b,c,d)			__logger__.WriteFormat(text,a,b,c,d)

#define __FLOG_5(text,a,b,c,d,e)		__logger__.WriteFormat(text,a,b,c,d,e)

#define __FLOG_6(text,a,b,c,d,e,f)		__logger__.WriteFormat(text,a,b,c,d,e,f)

#define __FLOG_7(text,a,b,c,d,e,f,g)	__logger__.WriteFormat(text,a,b,c,d,e,f,g)

#define __FLOG_8(text,a,b,c,d,e,f,g,h)	__logger__.WriteFormat(text,a,b,c,d,e,f,g,h)

#define __FLOG_9(text,a,b,c,d,e,f,g,h,i)	__logger__.WriteFormat(text,a,b,c,d,e,f,g,h,i)

#define __FLOG(text)						__logger__.Write(text)

#define __FLOG_VA(args)						__logger__.WriteFormat args

#define __FLOG_HEXDUMP(args)				__logger__.HexDump args

#define __FLOG_BINARY(data)					__logger__.WriteBinary(data)

// Static Output Logging Macros

#define __FLOG_STATIC0(subsys,compnt,text)						RFileLogger::Write(subsys,compnt, text)

#define __FLOG_STATIC1(subsys,compnt,text,a)					RFileLogger::WriteFormat(subsys,compnt, text,a)

#define __FLOG_STATIC2(subsys,compnt,text,a,b)					RFileLogger::WriteFormat(subsys,compnt, text,a,b)

#define __FLOG_STATIC3(subsys,compnt,text,a,b,c)				RFileLogger::WriteFormat(subsys,compnt, text,a,b,c)

#define __FLOG_STATIC4(subsys,compnt,text,a,b,c,d)				RFileLogger::WriteFormat(subsys,compnt, text,a,b,c,d)

#define __FLOG_STATIC5(subsys,compnt,text,a,b,c,d,e)			RFileLogger::WriteFormat(subsys,compnt, text,a,b,c,d,e)

#define __FLOG_STATIC6(subsys,compnt,text,a,b,c,d,e,f)			RFileLogger::WriteFormat(subsys,compnt, text,a,b,c,d,e,f)

#define __FLOG_STATIC7(subsys,compnt,text,a,b,c,d,e,f,g)		RFileLogger::WriteFormat(subsys,compnt, text,a,b,c,d,e,f,g)

#define __FLOG_STATIC8(subsys,compnt,text,a,b,c,d,e,f,g,h)		RFileLogger::WriteFormat(subsys,compnt, text,a,b,c,d,e,f,g,h)

#define __FLOG_STATIC9(subsys,compnt,text,a,b,c,d,e,f,g,h,i)	RFileLogger::WriteFormat(subsys,compnt, text,a,b,c,d,e,f,g,h,i)

#define __FLOG_STATIC(subsys,compnt,text)						RFileLogger::WriteFormat(subsys,compnt, text)

#define __FLOG_STATIC_VA(args)									RFileLogger::WriteFormat args

#define __FLOG_STATIC_HEXDUMP(args)								RFileLogger::HexDump args

// Line below is used to check that RFileLogger stays the same size as

// __FLOG_DECLARATION_MEMBER_SIZE. If the RFileLogger object ever changes size,

// the line below will cause the compiler to throw an error. __FLOG_DECLARATION_MEMBER_SIZE

// should then be changed accordingly.

const TInt KCheckRFileLoggerIsCorrectSize = 1/(sizeof(RFileLogger)==sizeof(__FLOG_DECLARATION_MEMBER_SIZE));

#else

// Begin declarations for when Flogger is NOT to be used.

// This declares all macros to be void and the class to be replaced with a stub.

// This will result in Flogger only requiring 32 bits for each component which uses it.

// Consult the How-to/User Guide for how to use these macros

// Sundry Logging Macros

#define __FLOG_DECLARATION_MEMBER_MUTABLE	__FLOG_DECLARATION_MEMBER_SIZE __noLogger__; \

											inline void useNoLogger() { __noLogger__ = 0; }

#define __FLOG_DECLARATION_MEMBER			__FLOG_DECLARATION_MEMBER_SIZE __noLogger__; \

											inline void useNoLogger() { __noLogger__ = 0; }

#define __FLOG_DECLARATION_VARIABLE

#define __FLOG_OPEN(subsys,compnt)

#define __FLOG_OPENC(subsys,compnt)

#define __FLOG_CLOSE

#define __FLOG_CLOSE_CLEANUP

#define __FLOG_HEXDUMP(args)

#define __FLOG_CLEAR					

#define __FLOG_SET_TAGS(subsys,compnt)		

#define __FLOG_STMT(text)

// Connected Output Logging Macros

#define __FLOG_0(text)

#define __FLOG_1(text,a)

#define __FLOG_2(text,a,b)

#define __FLOG_3(text,a,b,c)

#define __FLOG_4(text,a,b,c,d)

#define __FLOG_5(text,a,b,c,d,e)

#define __FLOG_6(text,a,b,c,d,e,f)

#define __FLOG_7(text,a,b,c,d,e,f,g)

#define __FLOG_8(text,a,b,c,d,e,f,g,h)

#define __FLOG_9(text,a,b,c,d,e,f,g,h,i)

#define __FLOG(text)

#define __FLOG_VA(args)

#define __FLOG_BINARY(data)	

// Static Output Logging Macros

#define __FLOG_STATIC0(subsys,compnt,text)		

#define __FLOG_STATIC1(subsys,compnt,text,a)		

#define __FLOG_STATIC2(subsys,compnt,text,a,b)		

#define __FLOG_STATIC3(subsys,compnt,text,a,b,c)	

#define __FLOG_STATIC4(subsys,compnt,text,a,b,c,d)		

#define __FLOG_STATIC5(subsys,compnt,text,a,b,c,d,e)	

#define __FLOG_STATIC6(subsys,compnt,text,a,b,c,d,e,f)		

#define __FLOG_STATIC7(subsys,compnt,text,a,b,c,d,e,f,g)	

#define __FLOG_STATIC8(subsys,compnt,text,a,b,c,d,e,f,g,h)	

#define __FLOG_STATIC9(subsys,compnt,text,a,b,c,d,e,f,g,h,i)	

#define __FLOG_STATIC(subsys,compnt,text)

#define __FLOG_STATIC_VA(args)

#define __FLOG_STATIC_HEXDUMP(args)		

#endif

#endif // __COMMSDEBUGUTILITY_H__