--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/remotestoragefw/remotefileengine/inc/rsfwvolumetable.h	Wed Sep 01 12:15:08 2010 +0100
@@ -0,0 +1,158 @@
+/*
+* Copyright (c) 2003-2006 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:  data struct for all volumes
+*
+*/
+
+#ifndef C_RSFWVOLUMETABLE_H
+#define C_RSFWVOLUMETABLE_H
+
+#include <e32property.h>
+#include <f32file.h>
+
+#include "rsfwlruprioritylist.h"
+
+class CRsfwRfeServer;
+class CRsfwConfig;
+class TRsfwMountInfo;
+class TRsfwMountConfig;
+class TRsfwMountStatus;
+class CRsfwVolume;
+class TTime;
+class CRsfwMountStateMachine;
+class CRsfwWaitNoteManager;
+class CRsfwMountStore;
+class CRsfwDormantMountLoader;
+
+/** caching mode */
+enum TCachingMode 
+    {
+    EWholeFileCaching,
+    EMetadataIfa,
+    EFullIfa
+    };
+
+/** theoretical maximum number of volumes - A to Z */    
+const TInt KMaxVolumes = 26; 
+
+
+/** Shutdown after all mounts have become dormant/disconnected */
+const TInt KRsfwDormantShutdownTimeout = 120;
+
+class CRsfwVolumeTable: public CBase
+    {
+public:
+    static CRsfwVolumeTable* NewL(CRsfwRfeServer* aRfeServer,
+                              CRsfwConfig* aRsfwConfig);
+    ~CRsfwVolumeTable();
+
+    void DispatchL(TAny* aIp, TAny* aOp);
+    TInt VolumeIdByDriveLetter(TChar aDriveLetter);
+    CRsfwVolume* VolumeByVolumeId(TInt aVolumeId);
+    CRsfwVolume* VolumeByDriveLetter(TChar aDriveLetter);
+    void RestoreDormantMountsL();
+    TUint RecoverVolumeL(const TRsfwMountConfig& aMountConfig,
+                        CRsfwMountStateMachine* aCaller);
+    TInt MountState(TChar aDriveLetter);
+    TInt GetMountConfigL(TRsfwMountConfig& aMountConfig);
+    void RestoreVolumesL();
+    void DismountByVolumeIdL(TInt aVolumeId, TBool aDiscardPermanentData);
+    void DismountByDriveLetterL(TChar aDriveLetter,
+                                TBool aDiscardPermanentData);
+    void GetMountList(TDriveList& aMountList);
+    TInt GetMountInfo(TRsfwMountInfo& aMountInfo);
+    void GetMimeTypeSpecificLimits();
+
+    // Cache management functions
+    TBool EnsureCacheCanBeAddedL(TInt aBytes);
+    TBool EnsureMetadataCanBeAddedL(CRsfwFileEntry* aParent);
+    TBool IsRoot(const CRsfwFileEntry* aEntry);
+    TInt TotalCachedSize();
+    TInt TotalEntryCount();
+    void AddToLRUPriorityListL(CRsfwFileEntry *aFe, TInt aPriority);
+    void RemoveFromLRUPriorityList(CRsfwFileEntry *aFe);
+    void AddToMetadataLRUPriorityListL(CRsfwFileEntry *aFe, TInt aPriority);
+    void RemoveFromMetadataLRUPriorityList(CRsfwFileEntry *aFe);
+    void MoveToTheBackOfMetadataLRUPriorityListL(CRsfwFileEntry *aFe);
+    void WillLRUPriorityListBeInternalized();
+    TBool CheckAndAddProcessStartMarker();
+    void DeleteTheMarker();
+    void CleanupCorruptedCacheL();
+    void OperationCompleted(CRsfwVolume* aVolume);
+    void VolumeStateChanged(CRsfwVolume* aVolume);
+    CRsfwWaitNoteManager* WaitNoteManager();    
+    TBool IsCachedDataStillValid(TTime aCachedTime);
+    TBool IsCachedAttrStillValid(TTime aCachedTime);
+    
+    // removes from cache all the data for certain path
+    // this is "refresh", i.e to ensure that next readdir fetches the data 
+    // form server
+    TInt PurgeFromCache(TDesC& aCachePath);
+    
+    TInt CancelTransferL(TDesC& aFilePath);
+    
+    void MountDormantL(const TRsfwMountConfig& aMountConfig, TInt aVolumeId);
+
+    void PublishConnectionStatus(CRsfwVolume* aVolume);
+
+private:
+    void ConstructL(CRsfwRfeServer* aRfeServer, CRsfwConfig* aRsfwConfig);
+    TBool IsCacheStillValid(TTime aCachedTime, TTimeIntervalSeconds aValidity);
+    void ExternalizeLRUPriorityList();
+    void ExternalizeLRUPriorityListL();
+    void InternalizeLRUPriorityListL();
+    TBool IsMountIdle(TRsfwMountStatus& aMountStatus);
+
+public:
+    // configuration parameters read from the configuration file
+    TInt iMaxCacheSize;       // maximum allowed cache size (global)
+    TInt iMaxEntryCount;      // maximum number of cached entries (global)
+   
+    TCachingMode iCachingMode;
+    TInt iRecognizerLimit;
+    TInt iImageJpegLimit;
+    TInt iAudioMpegLimit;
+    TInt iInactivityTimeout;
+
+public:
+    CRsfwVolume* iVolumes[KMaxVolumes];  // alphabet
+    TInt iLastVolumeId;
+    CRsfwConfig* iRsfwConfig;        // RSC configuration
+
+    TBool iPermanence;               // use permanent meta data
+    CRsfwMountStore* iMountStore;        // mount configuration repository
+    CRsfwLruPriorityList iLRUPriorityList;
+    CRsfwLruPriorityList iMetadataLRUPriorityList;
+    CRsfwRfeServer* iRfeServer;
+    TBool iUseExternalizedLRUList; // whether to use externalized LRU list data or not
+    TBool iDormantMountRestorePending; // true when, after server startup, we start to restore mounts
+
+private:
+    CRsfwDormantMountLoader* iDormantMountLoader; // loads dormant mounts asynchronously shortly after server start
+ 	CRsfwWaitNoteManager* iWaitNoteManager; // Implements handling of global wait notes
+	// associated with this class because when we come to Connect(), not much else is available
+	
+    TBool iAllEnginesIdle;          // are all the engines idle
+    RProperty iMountStateProperty;   // property for connection state signaling
+    TInt iFileCacheTimeout;   // how long cached files are assumed to be valid
+    TInt iDirCacheTimeout;    // how long cached dirs are assumed to be valid
+    
+    // these are also available from TRfeEnv, but they are used so many times
+    // by this class that an own pointer is justified
+    RFs iFs; // handle to RFs session, owned by RfeServer
+    TFileName* iCacheRoot; // pointer to cacheroot, owned by RfeServer
+    };
+
+
+#endif