remotestoragefw/remotefilesystemplugin/inc/rsfwfsmountcb.h
branchRCL_3
changeset 16 1aa8c82cb4cb
parent 0 3ad9d5175a89
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/remotestoragefw/remotefilesystemplugin/inc/rsfwfsmountcb.h	Wed Sep 01 12:15:08 2010 +0100
@@ -0,0 +1,386 @@
+/*
+* 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:  Remote File System Plug-in implementation
+*
+*/
+
+
+#ifndef CRSFWFSMOUNTCB_H
+#define CRSFWFSMOUNTCB_H
+
+//  INCLUDES
+#include <f32fsys.h>
+#include "rsfwsession.h"
+#include "rsfwinterface.h"
+
+class CRsfwFileSystem;
+
+// CLASS DECLARATIONS
+
+/**
+ *  Classes that a plug-in file system must implement. A plug-in 
+ *  filesystem must implement CFileSystem, which is a factory class for 
+ *  a file system. That class must create objects derived from CMountCB, 
+ *  CFileCB, CDirCB and CFormatCB. These are defined in f32fsys.h
+ *
+ *  @lib eremotefs.fsy
+ *  @since Series 60 3.2
+ */        
+class CRsfwFsMountCB : public CMountCB
+    {
+public:   // Constructors and destructor
+    
+    /**
+     * Static constructor.
+     */      
+    static CRsfwFsMountCB* NewL();
+            
+    /**
+     * Destructor.
+     */  
+    ~CRsfwFsMountCB();
+    
+public:   // New functions
+    
+                          
+    /**
+     * Renames a file.
+     * @since Series 60 3.2
+     * @param aDirFid fid of the parent directory of the file to be renamed
+     * @param aSourceName A reference to a descriptor containing the name
+     *                    of the file to be renamed.
+     * @param aNewName A reference to a descriptor containing the new full entry
+     *                 name for the entry to be renamed.
+     * @return 
+     */                          
+    void RenameFidL( TFid aDirFid,
+                     const TDesC& aSourceName, 
+                     const TDesC& aNewName );
+                     
+        
+    /**
+     * Returnes a handle to the Remote File Engine session
+     * @since Series 60 3.1
+     * @return a session handle.
+     */        
+    RRsfwSession* RSessionL();
+             
+        
+public:   // Functions from base classes
+        
+    /**
+     * From CMountCB Sets the mount control block properties.
+     * @since Series 60 3.2
+     * @param aForceMount Indicates whether the properties of a corrupt
+     *                    volume should be stored.
+     * @return
+     */        
+    void MountL( TBool aForceMount );
+        
+    /**
+     * From CMountCB Checks whether the mount control block represents the current mount on
+     * the associated drive.
+     * @since Series 60 3.2
+     * @return KErrNone if the mount represented by this object is found to be
+     the current mount;
+     KErrGeneral if this object is found not to represent
+     the current mount;
+     otherwise one of the other sytem wide error codes.
+    */                
+    TInt ReMount( );
+        
+    /**
+     * From CMountCB Carries out any clean-up necessary for a volume dismount. 
+     * @since Series 60 3.2
+     * @return 
+     */                        
+    void Dismounted( );
+        
+    /**
+     * From CMountCB Gets volume information.
+     * @since Series 60 3.2
+     * @param aVolume On return, a reference to the filled volume
+     *                information object.
+     * @return 
+     */                                
+    void VolumeL( TVolumeInfo& aVolume ) const;
+        
+        
+    /**
+     * From CMountCB Sets the volume name for the mount.
+     * @since Series 60 3.2
+     * @param aName A reference to a descriptor containing the new volume name.
+     * @return 
+     */                                        
+    void SetVolumeL( TDes& aName );
+    
+    /**
+     * From CMountCB Creates a new directory on the mount.
+     * @since Series60 3.2
+     * @param aName A reference to a descriptor containing the full name of
+     the directory to be created.
+     * @return
+     */
+    void MkDirL( const TDesC& aName );
+        
+    /**
+     * From CMountCB Removes the directory specified by aName from the volume.
+     * @since Series60 3.2
+     * @param aName A reference to a descriptor containing the full name of
+     the directory to be removed.
+     * @return
+     */      
+    void RmDirL( const TDesC& aName );
+        
+    /**
+     * From CMountCB Deletes the specified file from the mount.
+     * @since Series60 3.2
+     * @param aName A reference to a descriptor containing the full path name
+     of the file that will be removed.
+     * @return
+     */            
+    void DeleteL( const TDesC& aName );
+        
+    /**
+     * From CMountCB Renames or moves a single file or directory on the mount.
+     * @since Series60 3.2
+     * @param anOldName A reference to a descriptor containing the full entry
+     *                  name of the entry to be renamed.
+     * @param anNewName A reference to a descriptor containing the new full entry
+     *                 name for the entry to be renamed.
+     * @return
+     */              
+    void RenameL( const TDesC& anOldName,
+                  const TDesC& aNewName );
+          
+    /**
+     * From CMountCB Replaces one file on the mount with another.
+     * @since Series60 3.2
+     * @param anOldName A reference to a descriptor containing the full file name
+     *                  of the file to replace the file specified by anNewName
+     * @param anNewName A reference to a descriptor containing the new full file
+     *                  name for the entry to be replaced.
+     * @return
+     */          
+    void ReplaceL( const TDesC& anOldName,
+                   const TDesC& aNewName );
+        
+        
+    /**
+     * From CMountCB Gets the entry details for the specified file or directory.
+     * @since Series60 3.2
+     * @param aName   A reference to a descriptor containing the full name of
+     *                the entry whose details are required.
+     * @param anEntry On return, a reference to the filled entry object.
+     * @return
+     */                
+    void EntryL( const TDesC& aName,
+                 TEntry& anEntry ) const;
+        
+    /**
+     * From CMountCB Sets entry details for a specified file or directory.
+     * @since Series60 3.2
+     * @param aName  A reference to a descriptor containing the full name of
+     *               the entry to be updated.
+     * @param aTime  A reference to the time object holding the new universal
+     *               modified time for aName.
+     * @param aSetAttMask   Attribute mask for setting the entry's attributes.
+     * @param aClearAttMask Attribute mask for clearing the entry's attributes.
+     * @return
+     */
+    void SetEntryL( const TDesC& aName,
+                    const TTime& aTime,
+                    TUint aMask,
+                    TUint aVal );
+        
+    /**
+     * From CMountCB Opens a new or existing file on the mount.
+     * @since Series 60 3.2
+     * @param aName  The full name of the file that will be opened.
+     * @param aMode  The file share mode. The following share modes are available:
+     *               EFileShareExclusive;
+     *               EFileShareReadersOnly;
+     *               EFileShareAny;
+     *               EFileStream;
+     *               EFileStreamText;
+     *               EFileRead;
+     *               EFileWrite.
+     * @param anOpen Indicates how the file will be opened. It can be one of
+     *               the following:
+     *               EFileOpen;
+     *               EFileCreate;
+     *               EFileReplace.
+     * @param aFile  Pointer to the file control block which will, on success,
+     *               represent the open file.
+     * @return
+     */
+    void FileOpenL( const TDesC& aName,
+                    TUint aMode,
+                    TFileOpen anOpen,
+                    CFileCB* aFile );
+        
+    /**
+     * From CMountCB Opens a directory on the mount.
+     * @since Series 60 3.2
+     * @param aName A reference to a descriptor containing the full name of
+     the directory that will be opened.
+     * @param aDir  Points to a directory control block which will, on success,
+     represent the open directory.
+     * @return 
+     */        
+    void DirOpenL(  const TDesC& aName,
+                    CDirCB* aDir  );
+  
+    /**
+     * From CMountCB Gets the short name of the file or directory with 
+     *               the given full name.
+     * @since Series 60 3.2
+     * @param aLongName  A reference to a descriptor containing the full name
+     *                   of the entry.
+     * @param aShortName On return, a reference to a descriptor containing
+     *                   the short name of the entry.
+     * @return
+     */    
+    void GetShortNameL( const TDesC& aLongName,
+                        TDes& aShortName );
+        
+    /**
+     * From CMountCB Gets the long name of the file or directory associated with
+     *               the given short name.
+     * @since Series 60 3.2
+     * @param aShorName  A reference to a descriptor containing the short name
+     *                   of the entry.
+     * @param aLongName  On return, a reference to a descriptor containing
+     *                   the long name of the entry.
+     * @return
+     */      
+    void GetLongNameL( const TDesC& aShortName,
+                       TDes& aLongName );
+    
+    /**
+     * From CMountCB Reads a specified section of the file, regardless of the file's lock state.
+     * @since Series 60 3.2
+     * @param aName    A reference to a descriptor containing the full name of
+     *                 the file to be read from
+     * @param aPos     The byte position to start reading from.
+     * @param aTrg     A pointer to the buffer into which data is to be read.
+     * @param aLength  The length of data to be read, in bytes.
+     * @param aMessage Client message.
+     * @return 
+     */
+    void ReadSectionL( const TDesC& aName,
+                       TInt aPos,TAny* aTrg,
+                       TInt aLength,
+                       const RMessagePtr2& aMessage );
+                          
+    /**
+     * From CMountCB Reads the specified length of data from the specified position on
+     *               the volume directly into the client thread.
+     * @since Series 60 3.2
+     * @param aPos     Start position in the volume for the read operation,
+     *                 in bytes.
+     * @param aLength  The number of bytes to be read.
+     * @param aTrg     A pointer to the buffer into which data is to be read.
+     * @param anOffset The offset at which to start adding data to the read buffer.
+     * @param aMessage Client message.
+     * @return 
+     */    
+    void RawReadL( TInt64 aPos,
+                   TInt aLength,
+                   const TAny* aTrg,
+                   TInt anOffset,
+                   const RMessagePtr2& aMessage ) const;
+                      
+    /**
+     * From CMountCB  Writes a specified length of data from the client thread to the volume
+     *                at the specified position.
+     * @since Series 60 3.2
+     * @param aPos     Start position in the volume for the write operation,
+     *                 in bytes.
+     * @param aLength  The number of bytes to be written.
+     * @param aSrc     Pointer to the buffer from which data will be written.
+     * @param anOffset The offset in the buffer at which to start writing data.
+     * @param aMessage Client message.
+     * @return 
+     */                    
+    void RawWriteL( TInt64 aPos,
+                    TInt aLength,
+                    const TAny* aSrc,
+                    TInt anOffset,
+                    const RMessagePtr2& aMessage );
+                       
+    /**
+    Checks the integrity of the file system on the volume and returns an
+    appropriate error value. 
+    
+    @return KErrNone if the file system is stable; otherwise one of
+            the other system wide error codes.
+    */
+	TInt CheckDisk();
+	
+private:
+    
+    /**
+     * C++ default constructor.
+     */
+    CRsfwFsMountCB();
+
+                                                                                         
+    /**
+     * Gets entry details for a file or directory
+     * @since Series 60 3.2
+     * @param aName        Name of the file or directory.
+     * @param anEntry      On success, contains the entry details.
+     * @return
+     */
+    void RemoteFsEntryL( const TDesC& aName,
+                         TEntry& anEntry );
+                             
+    /**
+     * Fetches fid for a file or directory.
+     * @since Series 60 3.2
+     * @param aPath        The full path of the file or directory.
+     * @param aNodeType    Type of the node (i.e. file or directory).
+     * @return
+     */  
+    TFid FetchFidL( const TDesC& aPath, 
+                    TUint aNodeType );
+                        
+                        
+
+  
+public:     // Data
+    // Server to which this mount is connected.
+    // The pointer is stored as volumename to CMountCB, 
+    // which takes of the desc. ownership and deletes it.
+    HBufC* iServerName;
+            
+    // File Server session used to access the local cache.
+    RFs iFsSession;
+        
+private:    // Data
+    // Pointer to filesystem object.    
+    CRsfwFileSystem* iRemoteFs;
+
+    // Session to Remote File Engine
+    RRsfwSession* iSession;
+             
+    // Root Fid, can be different for different mounts
+    TFid iRootFid; 
+    };
+
+#endif // CRSFWFSMOUNTCB_H
+
+// End of File
+