diff -r 000000000000 -r e6b17d312c8b imservices/instantmessagingcache/inc/imcachedebugtrace.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imservices/instantmessagingcache/inc/imcachedebugtrace.h	Thu Dec 17 08:54:49 2009 +0200
@@ -0,0 +1,126 @@
+/*
+* Copyright (c) 2008 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:  logs generation file
+*
+*/
+
+
+
+#ifndef __IMCACHEDEBUGTRACE_H__
+#define __IMCACHEDEBUGTRACE_H__
+
+//  INCLUDES
+#include  "e32std.h"
+#include <flogger.h>
+//  DEFINES
+// enable logs printing
+// into  c:\\logs\\instantmessagingcache\\instantmessagingcache.txt
+//#define IMCHACHE_ENABLE_DEBUG_LOGS
+#undef IMCHACHE_ENABLE_DEBUG_LOGS
+
+/**   
+* Usage of Log MACRO'S
+* _LIT( KExample, "Example" );
+*  TXT(s) _L(s)	
+*  IM_CV_LOGS(TXT("Some text.") );
+*  IM_CV_LOGS(TXT("Some text: %d"), 100 );
+*  IM_CV_LOGS(TXT("Some text: %S"), &KExample );
+*/
+
+_LIT( KTAdaptDebugOutputDir, "imcache" );
+_LIT( KTAdaptDebugOutputFileName, "imcache.txt" );
+const TInt KTAdaptMaxLogLineLength = 250 ;
+#define T_LIT(s) _L(s)
+#define TRACE TIMChacheLogger::WriteLog
+#define PLUGIN_UNUSED_PARAM(p) (void) p
+
+
+/**
+ * IM cache debug logger.
+ */
+class TIMChacheLogger
+    {
+    public: //Logging functions
+    	/**
+        * WriteLog, write the message into c:\\logs\\instantmessagingcache\\instantmessagingcache.txt
+        * need to create imcv folder into c:\\logs
+        * @param aFmt, list of messges to print
+        */
+		static void WriteLog( TRefByValue<const TDesC> aFmt,... );
+		
+    private: //Prohibited
+    	/**
+        * construtor
+        */
+        TIMChacheLogger();
+        /**
+        * destructor
+        */
+        ~TIMChacheLogger();
+    };
+
+#endif // __IMCACHEDEBUGTRACE_H__
+
+
+
+/**
+ * Handler used by logger to truncate the string
+ * rather than panic in case of buffer overflow.
+*/
+
+NONSHARABLE_CLASS ( TAdaptOverflowTruncate ) : public TDes16Overflow
+	{
+
+public:
+	void Overflow ( TDes16& /*aDes*/ ) {}
+	};
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// TIMChacheLogger::WriteLog()
+// -----------------------------------------------------------------------------
+//
+inline void TIMChacheLogger::WriteLog ( TRefByValue<const TDesC> aFmt, ... )
+	{
+	#ifdef IMCHACHE_ENABLE_DEBUG_LOGS
+		( void ) aFmt;//Suppress unused formal parameter warning
+		TBuf< KTAdaptMaxLogLineLength > buffer;
+		buffer.Append ( _L ( "[" ) );           // CSI: 78 #
+		buffer.Append ( RThread().Name() );
+		buffer.Append ( _L ( "] " ) );          // CSI: 78 #
+		TAdaptOverflowTruncate overflow;
+		VA_LIST list;
+		VA_START ( list, aFmt );
+		buffer.AppendFormatList ( aFmt, list, &overflow );
+		RFileLogger logger;
+
+		if ( logger.Connect() == KErrNone )
+			{
+			logger.SetDateAndTime ( ETrue, ETrue );
+			logger.CreateLog ( KTAdaptDebugOutputDir, KTAdaptDebugOutputFileName,
+			                   EFileLoggingModeAppend );
+			logger.Write ( buffer );
+			logger.CloseLog();
+			logger.Close();
+			}
+	#endif
+
+	}
+
+
+// End of File
+
+