ncdengine/provider/storage/src/ncdstoragemanagerimpl.cpp
changeset 0 ba25891c3a9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/storage/src/ncdstoragemanagerimpl.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,380 @@
+/*
+* Copyright (c) 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:  
+*
+*/
+
+
+#include <f32file.h>
+
+#include "ncdstoragemanagerimpl.h"
+#include "ncdstorageimpl.h"
+#include "ncdstorageclientimpl.h"
+#include "ncdproviderdefines.h"
+
+#include "catalogsconstants.h"
+#include "catalogsdebug.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+
+// ---------------------------------------------------------------------------
+// ConstructL
+// ---------------------------------------------------------------------------
+//
+void CNcdStorageManager::ConstructL( const TDesC& aRootDirectory )
+    {
+    DLTRACEIN( ("") );    
+    iRootDir.CreateL( aRootDirectory );    
+    iFileMan = CFileMan::NewL( iFs );    
+    DLTRACEOUT( ("" ) );
+    }
+
+
+// ---------------------------------------------------------------------------
+// NewL
+// ---------------------------------------------------------------------------
+//
+CNcdStorageManager* CNcdStorageManager::NewL( 
+    RFs& aFs,
+    const TDesC& aRootDirectory )
+    {
+    CNcdStorageManager* self = new (ELeave ) CNcdStorageManager( aFs );
+    CleanupStack::PushL( self );
+    self->ConstructL( aRootDirectory );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CNcdStorageManager::~CNcdStorageManager()
+    {
+    DLTRACEIN( ( "" ) );
+    
+    iClients.ResetAndDestroy();    
+    
+    delete iFileMan;   
+    iRootDir.Close();
+    }
+
+
+// ---------------------------------------------------------------------------
+// CreateOrGetStorageL
+// ---------------------------------------------------------------------------
+//
+MNcdStorage& CNcdStorageManager::CreateOrGetStorageL( const TDesC& aClientUid, 
+    const TDesC& aNamespace )
+    {
+    DLTRACEIN((""));
+    MNcdStorage* storage = NULL;
+    
+    TRAPD( err,        
+           storage =
+           &StorageL( aClientUid, aNamespace ) );
+    
+    if ( err == KErrNotFound ) 
+        {
+        DLINFO(("Creating storage for the client"));
+        storage = 
+            &CreateStorageL( aClientUid, 
+                             aNamespace );
+        }
+    else if ( err != KErrNone )
+        {
+        DLERROR(("Leaving: %i", err));
+                
+        User::Leave( err );   
+        }
+            
+
+    DLTRACEOUT((""));
+    return *storage;    
+    }
+
+
+// ---------------------------------------------------------------------------
+// CreateStorageL
+// ---------------------------------------------------------------------------
+//
+MNcdStorage& CNcdStorageManager::CreateStorageL( const TDesC& aClientUid, 
+    const TDesC& aNamespace )
+    {
+    DLTRACEIN( ("") );
+    TInt index = FindClientByUid( aClientUid );
+    
+    CNcdStorageClient* client = NULL;
+    
+    if ( index == KErrNotFound ) 
+        {
+        DLTRACE( ("Create a new client") );
+        // Create a new client
+        client = CNcdStorageClient::NewLC( *this, aClientUid );
+        iClients.AppendL( client );
+        CleanupStack::Pop( client );
+        }
+    else 
+        {
+        DLTRACE( ("Use an existing client") );
+        // Use existing client
+        client = iClients[ index ];
+        DASSERT( client );
+        }
+
+    // Create the storage
+    MNcdStorage& storage = client->CreateStorageL( aNamespace );
+    DLTRACEOUT( ("") );
+    return storage;                
+    }
+
+
+// ---------------------------------------------------------------------------
+// Provider storage getter
+// ---------------------------------------------------------------------------
+//
+MNcdStorage& CNcdStorageManager::ProviderStorageL( const TDesC& aClientUid )
+    {
+    return CreateOrGetStorageL( 
+        aClientUid, 
+        NcdProviderDefines::KProviderStorageNamespace );
+    }
+    
+    
+// ---------------------------------------------------------------------------
+// Storage getter
+// ---------------------------------------------------------------------------
+//
+MNcdStorage& CNcdStorageManager::StorageL( const TDesC& aClientUid, 
+    const TDesC& aNamespace )
+    {
+    DLTRACEIN( ("") );
+    TInt index = FindClientByUidL( aClientUid );
+            
+    return iClients[index]->StorageL( aNamespace );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Storage client namespace list getter
+// ---------------------------------------------------------------------------
+//
+MDesCArray* CNcdStorageManager::StorageNamespacesLC( 
+    const TDesC& aClientUid ) const
+    {
+    TInt index = FindClientByUidL( aClientUid );
+    return iClients[index]->NamespacesLC();
+    }
+    
+// ---------------------------------------------------------------------------
+// Storage client getter
+// ---------------------------------------------------------------------------
+//
+MNcdStorageClient& CNcdStorageManager::StorageClientL( 
+    const TDesC& aClientUid )
+    {
+    TInt index = FindClientByUid( aClientUid );
+    if ( index == KErrNotFound ) 
+        {
+        // Create a new client
+        CNcdStorageClient* client = CNcdStorageClient::NewLC( *this, aClientUid );
+        iClients.AppendL( client );
+        CleanupStack::Pop( client );
+        return *client;
+        }
+    return *iClients[ index ];
+    }
+
+
+// ---------------------------------------------------------------------------
+// Client remover
+// ---------------------------------------------------------------------------
+//
+/*
+void CNcdStorageManager::RemoveClientL( const TDesC& aClientUid )
+    {    
+    DLTRACEIN( ("") );
+    TInt index = KErrNone;
+    
+    TRAPD( err, index = FindClientByUidL( aClientUid ) );
+    if ( err == KErrNotFound ) 
+        {
+        // Create storage client temporarily.
+        CNcdStorageClient* client = CNcdStorageClient::NewLC( *this, aClientUid );
+        iClients.AppendL( client );
+        CleanupStack::Pop( client );
+        index = iClients.Count() - 1;
+        }
+    
+    RBuf path;
+    CleanupClosePushL( path );
+    path.CreateL( KMaxPath );
+    
+    iClients[index]->AppendRoot( path );
+        
+    DLINFO( ( _L("Removing client: %S"), &path ) );
+    
+    delete iClients[index];
+    iClients.Remove( index );
+    
+    // Remove client's directory
+    RemoveDirectoryL( iFs, path );
+    
+    CleanupStack::PopAndDestroy( &path );
+    DLTRACEOUT((""));
+    }
+*/    
+    
+// ---------------------------------------------------------------------------
+// Storage remover
+// ---------------------------------------------------------------------------
+//
+void CNcdStorageManager::RemoveStorageL( const TDesC& aClientUid, 
+    const TDesC& aNamespace)
+    {
+    DLTRACEIN( ("") );
+    TInt index = KErrNone;
+    TRAPD( err, index = FindClientByUidL( aClientUid ) );
+    if ( err == KErrNotFound ) 
+        {
+        // Create storage client.
+        CNcdStorageClient* client = CNcdStorageClient::NewLC( *this, aClientUid );
+        iClients.AppendL( client );
+        CleanupStack::Pop( client );
+        index = iClients.Count() - 1;
+        }
+    
+    // Removes the actual storage directory
+    TRAP( err, iClients[ index ]->RemoveStorageL( aNamespace ) );
+    if ( err != KErrNotFound ) 
+        {
+        User::LeaveIfError( err );
+        }
+        
+    DLTRACEOUT( ( "" ) );
+    }
+
+// ---------------------------------------------------------------------------
+// Close
+// ---------------------------------------------------------------------------
+//
+void CNcdStorageManager::CloseClient( const TDesC& aClientUid )
+    {
+    DLTRACEIN((""));
+    TInt index = FindClientByUid( aClientUid );
+    if ( index != KErrNotFound )
+        {
+        delete iClients[ index ];
+        iClients.Remove( index );
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// File session getter
+// ---------------------------------------------------------------------------
+//
+RFs& CNcdStorageManager::FileSession()
+    {
+    DLTRACEIN((""));
+
+    return iFs;
+    }
+    
+
+// ---------------------------------------------------------------------------
+// Prepends root dir to the des
+// ---------------------------------------------------------------------------
+//
+void CNcdStorageManager::AppendRoot( TDes& aPath ) const
+    {
+    DLTRACEIN((""));
+
+    aPath.Append( iRootDir );
+    
+    DLTRACEOUT((""));
+    }
+
+// ---------------------------------------------------------------------------
+// File manager getter
+// ---------------------------------------------------------------------------
+//
+CFileMan& CNcdStorageManager::FileManager()
+    {
+    DASSERT( iFileMan );
+    return *iFileMan;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Utility function for removing a directory
+// ---------------------------------------------------------------------------
+//
+void CNcdStorageManager::RemoveDirectoryL( RFs& aFileSession, 
+    const TDesC& aDirectory )
+    {
+    CFileMan* fileman = CFileMan::NewL( aFileSession );
+    CleanupStack::PushL( fileman );
+    User::LeaveIfError( fileman->RmDir( aDirectory ) );    
+    CleanupStack::PopAndDestroy( fileman );    
+    }
+
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CNcdStorageManager::CNcdStorageManager( RFs& aFs ) : iFs( aFs )
+    {
+    }
+    
+
+// ---------------------------------------------------------------------------
+//  Searches for the storage client by uid
+// ---------------------------------------------------------------------------
+//
+TInt CNcdStorageManager::FindClientByUidL( const TDesC& aUid ) const
+    {
+    DLTRACEIN(( _L("Uid: %S"), &aUid ));
+    TInt index = FindClientByUid( aUid );    
+    User::LeaveIfError( index );
+    return index;
+    }
+    
+    
+// ---------------------------------------------------------------------------
+//  Searches for the storage client by uid
+// ---------------------------------------------------------------------------
+//
+TInt CNcdStorageManager::FindClientByUid( const TDesC& aUid ) const
+    {
+    DLTRACEIN(( _L("Uid: %S"), &aUid ));
+    TInt count = iClients.Count();
+    for ( TInt i = 0; i < count; ++i ) 
+        {
+        if ( iClients[ i ]->ClientUid().Compare( aUid ) == 0 ) 
+            {
+            DLTRACEOUT(("index: %d", i));
+            return i;
+            }
+        }
+    DLTRACEOUT(("Err: -1"));    
+    return KErrNotFound;
+    }
+    
+    
+