--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/voipplugins/ipapputils/voipeventlog/inc/voipeventlog.h	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,148 @@
+/*
+* Copyright (c) 2007-2007 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 C_VOIPEVENTLOG_H
+#define C_VOIPEVENTLOG_H
+
+
+#include <e32base.h>
+
+class CVoipEventLogEngine;
+class CVoipErrorEntry;
+
+/**
+ *  VoIP event log API class
+ *  CVoipEventLog is responsible for writing and reading error information
+ *  from central repository
+ *  The maximu error count is saved in cenrep ini file, if there are more errors
+ *  than maximum count, old error is overwritten.
+ *
+ *  @code
+ *  _LIT( KErrorText, "something wrong, man!" );
+ *  CVoipEventLog* eventLog = CVoipEventLog::NewLC();
+ *  CVoipErrorEntry* entry = CVoipErrorEntry::NewLC();
+ *  entry->SetErrorCode( -1 );
+ *  User::LeaveIfError( entry->SetErrorText( KErrorText ));
+ *  TInt err = eventLog->WriteError( *entry );
+ *  User::LeaveIfError( err );
+ *  CleanupStack::PopAndDestroy( entry );
+ *  CleanupStack::PopAndDestroy( eventLog );
+ *  @endcode
+ *
+ *  @lib voipeventlog.lib
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS(CVoipEventLog) : public CBase
+  {
+  public:
+
+        /**
+         * Two-phased constructor.
+         */
+        IMPORT_C static CVoipEventLog* NewL();
+        IMPORT_C static CVoipEventLog* NewLC();
+
+        /**
+         * Destructor.
+         */
+        IMPORT_C ~CVoipEventLog();
+
+        /**
+         * Writes an error data to event log
+         *
+         * @since S60 v3.2
+         * @param aErrorEntry Error information
+         * @return error code
+         */
+        IMPORT_C TInt WriteError( const CVoipErrorEntry& aErrorEntry );
+
+        /**
+         * Writes an error code to event log
+         * this function only writes the error code, no other infomration
+         * @since S60 v3.2
+         * @param aErrorCode VoIP error identification
+         * @return error code
+         */
+        IMPORT_C TInt WriteError( TInt aErrorCode );
+
+        /**
+         * Reads error count from the log
+         *
+         * @since S60 v3.2
+         * @return if it is positive, it means error count, if it is negative, it means error code
+         */
+        IMPORT_C TInt ErrorCount() const;
+
+        /**
+         * Reads an error information from the log
+         *
+         * @since S60 v3.2
+         * @param aIndex the index of error to be read, 0 means latest error index
+         * @param aErrorEntry in return, error information corresponding to aIndex
+         * @return error code
+         */
+        IMPORT_C TInt ReadError( TInt aIndex, CVoipErrorEntry& aErrorEntry ) const;
+
+        /**
+         * Clear all voip error entries from the log
+         *
+         * @since S60 v3.2
+         * @return error code
+         */
+        IMPORT_C TInt ResetLog ();
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CVoipEventLog();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+        /**
+         * Writes an error data to event log
+         * this is leave function
+         *
+         * @since S60 v3.2
+         * @param aErrorEntry Error information
+         */
+        void DoWriteErrorL( const CVoipErrorEntry& aErrorEntry );
+
+        /**
+         * Writes an error code to event log
+         * this is leave function
+         * @since S60 v3.2
+         * @param aErrorCode VoIP error identification
+         */
+        void DoWriteErrorL( TInt aErrorCode );
+
+
+    private: // data
+
+        /**
+         * CVoipEventLogEngine instance
+         */
+        CVoipEventLogEngine* iEngine;
+
+  };
+
+#endif  // C_VOIPEVENTLOG_H