--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/monitorplugins/fileplugin/inc/processoriginmapper.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,201 @@
+/*
+* Copyright (c) 2007-2009 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:  Maintains a list of process ids and matching origin*
+*/
+
+
+#ifndef __PROCESSORIGINMAPPER_H__
+#define __PROCESSORIGINMAPPER_H__
+
+#include <e32cmn.h>
+#include <s32file.h>
+
+#include "mdeconstants.h"
+#include "processoriginmapperinterface.h"
+
+/**
+ * @var Data transfer object used for process/origin
+ * mapping table.
+ */
+struct TProcessOriginPair
+    {
+    TUid iProcessId;
+    TOrigin iOrigin;
+    };
+
+/**
+ * @var Maximum amount of items allowed in the mapping table.
+ */
+const TInt KMaxMappingSize = 100;
+
+
+/**
+ * Maintains a list of process ids and matching origin
+ * values to be set for mde objects created by a process.
+ * List is maintained in memory and in a text file.
+ * 
+ * API is provided to add and remove processes in the list
+ * and to retrieve the matching origin by a process id (if any).
+ * Mappings are read written to a file on request.
+ */
+class CProcessOriginMapper : public CBase,
+                             public MProcessOriginMapperInterface
+    {
+    public:
+
+        /**
+         * Creates and constructs a new instance of CLocationContextPlugin.
+         * Two-phase construction.
+         *
+         * @return A pointer to the created instance.
+         */
+        static CProcessOriginMapper* NewL();
+    
+        /**
+         * Destructor.
+         */
+        virtual ~CProcessOriginMapper();
+
+    private:
+
+        /**
+         * Private constructor, called by NewL() only.
+         */
+        CProcessOriginMapper();
+    
+        /**
+         * Second phase construction called by NewL().
+         */
+        void ConstructL();
+
+    public:
+
+        /**
+         * Add a process to the list.
+         * @param aProcessUid  Uid of the process to add.
+         * @param aOrigin      Origin to which this process will mapped to.
+         */
+        void RegisterProcessL( const TUid& aProcessId,
+                               const TOrigin& aOrigin );
+        
+        /**
+         * Remove a process from the list.
+         * @param aProcessId  Uid of the process to remove.
+         */
+        void UnregisterProcessL( const TUid& aProcessId );
+
+        /**
+         * Check a process from the list.
+         * @param aProcessId  Uid of the process to check.
+         * @return  Origin the given process is mapped to
+         *          or KErrNotFound if not found.
+         */
+        TOrigin OriginL( const TUid& aProcessId );
+
+        /**
+         * Read process id mappings from a file.
+         * This doesn't clear the list of currently registered mappings.
+         * @param aFile  File name and path.
+         * @return Count of mapping pairs read.
+         */
+        TInt ReadFileL( const TDesC& aFile );
+
+        /**
+         * Read process id mappings from the default file.
+         * @return Count of mapping pairs read.
+         */
+        TInt ReadFileL();
+
+        /**
+         * Write process id mappings to a file.
+         * @param aFile  File name and path.
+         */
+        void WriteFileL( const TDesC& aFile );
+
+        /**
+         * Write process id mappings to the default file.
+         */
+        void WriteFileL();
+
+        /**
+         * Clear mapping table in memory.
+         */
+        void Clear();
+
+        /**
+         * Count of registered mappings.
+         * @return Count
+         */
+        TInt Count();
+
+    private:
+
+        /**
+         * Find an index by process id.
+         * @param aProcessId  Process id.
+         * @return  Index or KErrNotFound if not found.
+         */
+        TInt FindProcess( const TUid& aProcessId );
+        
+        /**
+         * Read one process id and origin pair from file.
+         * @param aProcessUid  Uid of the process to add.
+         * @param aOrigin      Origin to which this process will mapped to.
+         */
+        void ReadProcessOriginPairL( TUid& aProcessId, TOrigin& aOrigin );
+
+        /**
+         * Write one related process/origin pair to a file.
+         * @param aProcessUid  Uid of the process to add.
+         * @param aOrigin      Origin to which this process will mapped to.
+         */
+        void WriteProcessOriginPairL( TUid& aProcessId, TOrigin& aOrigin );
+
+    private: // data
+
+        /**
+         * @var Mapping table. It holds pairs of
+         * matching process ids and origins.
+         * Content is loaded from and saved to a file.
+         */
+        RArray<TProcessOriginPair> iProcessOriginMap;
+        
+        /**
+         * File system session.
+         */
+        RFs iFs;
+        
+        /**
+         *  File stream used for reading the import file
+         */
+        RFileReadStream iReadStream;
+
+        /**
+         *  File stream used for writing the export file
+         */
+        RFileWriteStream iWriteStream;
+
+        /**
+         * A buffer used for reading lines from files.
+         */
+        HBufC8* iLineBuffer;
+
+        /**
+         * Indicates read defult origin map file.
+         * No write process should occur.
+         */
+        TBool iDefaultFileRead;
+    };
+
+#endif