multimediacommsengine/mmceshared/inc/mcelogs.h
changeset 0 1bce908db942
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmceshared/inc/mcelogs.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,332 @@
+/*
+* Copyright (c) 2005 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:    
+*
+*/
+
+
+
+
+
+
+#ifndef MCELOGS_H
+#define MCELOGS_H
+
+#include <e32std.h>
+
+// INCLUDES
+
+#include <e32base.h>
+#include <e32svr.h>
+#include <utf.h>
+#include <flogger.h>
+#include <f32file.h>
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+_LIT( KMceLogPath, "C:\\Logs\\Mce\\" );
+_LIT( KMceLogDir, "Mce" );
+_LIT( KMceLogFile, "MceLog.txt" );
+
+/**
+ * Class provides logging through RFileLogger or RDebug in debug builds
+ * 'MCE: ' added automatically in fron of every logged line
+ */ 
+class TMceDebug 
+	{
+	public:
+
+#ifdef _DEBUG
+
+// To disable file logging totally (so that RFileLogger server is not used even
+// for determining whether file logging is possible), comment line below
+#define MCE_FILE_LOGGING_ENABLED
+	    
+#if ( defined __WINSCW__ ) || ( defined __WINS__ )
+// No sense to have file logging enabled in wins
+#undef MCE_FILE_LOGGING_ENABLED
+#endif
+
+	inline static void Print( const TDesC16& aStr, TBool aSafetyChecked = EFalse ) 
+		{
+		TChar notAllowed('%');
+		TBuf<256> str;
+		_LIT( KMceFormat, "MCE: %S" );
+		_LIT( KMceWarning, "MCE: Text contains not allowed characters, log ignored");
+		
+		if ( aSafetyChecked || aStr.Locate( notAllowed ) == KErrNotFound )
+			{
+			str.Format( KMceFormat, &aStr );
+			}
+		else
+			{
+			str.Copy( KMceWarning );
+			}	
+		
+        if ( LogToFile( KMceLogPath ) )
+            {
+            RFileLogger::Write( KMceLogDir, KMceLogFile,
+                EFileLoggingModeAppend, str );
+            }
+        else
+            {
+            RDebug::Print( str );
+            }
+		}
+
+	inline static void Print( const TDesC16& aStr1, const TDesC16& aStr2 ) 
+		{
+		TChar notAllowed('%');
+		TBuf<256> str;
+		_LIT( KMceFormat, "MCE: %S, %S" );
+		_LIT( KMceWarning, "MCE: Text contains not allowed characters, log ignored" );
+		
+		if ( aStr1.Locate( notAllowed ) == KErrNotFound  &&
+		     aStr2.Locate( notAllowed ) == KErrNotFound )
+			{
+			str.Format( KMceFormat, &aStr1, &aStr2 );
+			}
+		else
+			{
+			str.Copy( KMceWarning );
+			}
+		
+        if ( LogToFile( KMceLogPath ) )
+            {
+            RFileLogger::Write( KMceLogDir, KMceLogFile,
+                EFileLoggingModeAppend, str );
+            }
+        else
+            {
+            RDebug::Print( str );
+            }
+		}
+
+	inline static void Print( const TDesC16& aStr, TUint32 aValue ) 
+		{
+		TChar notAllowed('%');
+		TBuf<256> str;
+		_LIT( KMceFormat, "MCE: %S, %d" );
+		_LIT( KMceWarning, "MCE: Text contains not allowed characters, log ignored" );
+		
+		if ( aStr.Locate( notAllowed ) == KErrNotFound )
+			{
+			str.Format( KMceFormat, &aStr, aValue );
+			}
+		else
+			{
+			str.Copy( KMceWarning );
+			}
+			
+		if ( LogToFile( KMceLogPath ) )
+            {
+            RFileLogger::Write( KMceLogDir, KMceLogFile,
+                EFileLoggingModeAppend, str );
+            }
+        else
+            {
+            RDebug::Print( str );
+            }
+		}
+
+	inline static void Print( const TDesC16& aStr, TUint32 aValue1, TUint32 aValue2 ) 
+		{
+		TChar notAllowed('%');
+		TBuf<256> str;
+		_LIT( KMceFormat, "MCE: %S, %d, %d" );
+		_LIT( KMceWarning, "MCE: Text contains not allowed characters, log ignored" );
+		
+		if ( aStr.Locate( notAllowed ) == KErrNotFound )
+			{
+			str.Format( KMceFormat, &aStr, aValue1, aValue2 );
+			}
+		else
+			{
+			str.Copy( KMceWarning );
+			}
+		
+        if ( LogToFile( KMceLogPath ) )
+            {
+            RFileLogger::Write( KMceLogDir, KMceLogFile,
+                EFileLoggingModeAppend, str );
+            }
+        else
+            {
+            RDebug::Print( str );
+            }
+		}
+
+	inline static void Print( const TDesC16& aStr, TUint32 aValue1, 
+		TUint32 aValue2, TUint32 aValue3 ) 
+		{
+		TChar notAllowed('%');
+		TBuf<256> str;
+		_LIT( KMceFormat, "MCE: %S, %d, %d, %d" );
+		_LIT( KMceWarning, "MCE: Text contains not allowed characters, log ignored" );
+		
+		if ( aStr.Locate( notAllowed ) == KErrNotFound )
+			{
+			str.Format( KMceFormat, &aStr, aValue1, aValue2, aValue3 );
+			}
+		else
+			{
+			str.Copy( KMceWarning );
+			}
+		
+        if ( LogToFile( KMceLogPath ) )
+            {
+            RFileLogger::Write( KMceLogDir, KMceLogFile,
+                EFileLoggingModeAppend, str );
+            }
+        else
+            {
+            RDebug::Print( str );
+            }
+		}
+
+	inline static void Print( const TDesC16& aStr1, const TDesC8& aStr2 ) 
+		{
+		TChar notAllowed('%');
+		TBuf<256> str;
+		_LIT( KMceFormat, "MCE: %S, %S" );
+		_LIT( KMceWarning, "MCE: Text contains not allowed characters, log ignored" );
+		
+		if ( aStr1.Locate( notAllowed ) == KErrNotFound  &&
+		     aStr2.Locate( notAllowed ) == KErrNotFound )
+			{
+			TBuf<100> str2;
+			CnvUtfConverter::ConvertToUnicodeFromUtf8( str2, aStr2 );
+
+			str.Format( KMceFormat, &aStr1, &str2 );
+			}
+		else
+			{
+			str.Copy( KMceWarning );
+			}
+		
+        if ( LogToFile( KMceLogPath ) )
+            {
+            RFileLogger::Write( KMceLogDir, KMceLogFile,
+                EFileLoggingModeAppend, str );
+            }
+        else
+            {
+            RDebug::Print( str );
+            }
+		
+		}
+	
+    private:
+    
+#ifdef MCE_FILE_LOGGING_ENABLED
+        
+    inline static TBool LogToFile( const TDesC& aFolderName )
+        {
+        TBool exists( EFalse );
+        RFs fs;
+        if ( KErrNone == fs.Connect() )
+            {
+            TEntry entry;
+            exists = ( fs.Entry( aFolderName, entry ) == KErrNone );
+            fs.Close();        
+            }
+        return exists;
+        }
+#else
+ 
+    inline static TBool LogToFile( const TDesC& /*aFolderName*/ )
+        {
+        return EFalse;
+        }
+    
+#endif
+    
+#else
+	
+	inline static void Print( const TDesC16& /*aStr*/, TBool /*aSafetyChecked*/ = EFalse ) 
+		{
+		}
+
+	inline static void Print( const TDesC16& /*aStr1*/, const TDesC16& /*aStr1*/ ) 
+		{
+		}
+
+	inline static void Print( const TDesC16& /*aStr*/, TUint32 /*aValue*/ ) 
+		{
+		}
+
+	inline static void Print( const TDesC16& /*aStr*/, TUint32 /*aValue1*/, TUint32 /*aValue2*/ ) 
+		{
+		}
+
+	inline static void Print( const TDesC16& /*aStr*/, TUint32 /*aValue1*/,
+					  TUint32 /*aValue2*/, TUint32 /*aValue3*/ ) 
+		{
+		}
+
+	inline static void Print( const TDesC16& /*aStr1*/, const TDesC8& /*aStr2*/ ) 
+		{
+		}
+
+#endif
+
+	};
+
+/**
+ * Macro for logging single string
+ * MCE_DEBUG1("Hello")
+ * Note, max length of printed line 256 characters
+ */ 
+#define MCE_DEBUG1( a ) { TMceDebug::Print( _L( a ) ); }
+
+/**
+ * Macro for logging two strings
+ * MCE_DEBUG2("Hello", "Back")
+ * Note, max length of printed line 256 characters
+ */ 
+#define MCE_DEBUG2( a, b ) { TMceDebug::Print( _L( a ), _L( b ) ); }
+
+/**
+ * Macro for logging a string and integer
+ * MCE_DEBUG3("Hello", 1)
+ * Note, max length of printed line 256 characters
+ */ 
+#define MCE_DEBUG3( a, b ) { TMceDebug::Print( _L( a ), b ); }
+
+/**
+ * Macro for logging a string and 2 integers
+ * MCE_DEBUG4("Hello", 1, 2)
+ * Note, max length of printed line 256 characters
+ */ 
+#define MCE_DEBUG4( a, b, c ) { TMceDebug::Print( _L( a ), b , c); }
+
+ /**
+ * Macro for logging a string and 3 integers
+ * MCE_DEBUG5("Hello", 1, 2, 3)
+ * Note, max length of printed line 256 characters
+ */ 
+#define MCE_DEBUG5( a, b, c, d ) { TMceDebug::Print( _L( a ), b , c, d); }
+
+ /**
+ * Macro for logging a string and variable string
+ * MCE_DEBUG6("Hello", string)
+ * Note, max length of printed line 256 characters
+ */ 
+#define MCE_DEBUG6( a, b) { TMceDebug::Print( _L( a ), b ); }
+
+#endif
+
+// End of File