--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wmdrm/wmdrmengine/wmdrmserver/server/src/slot.cpp	Thu Dec 17 08:52:27 2009 +0200
@@ -0,0 +1,287 @@
+/*
+* Copyright (c) 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:  WMDRM Server implementation
+*
+*/
+
+
+#include <e32std.h>
+#include "slot.h"
+#include "slotdatacache.h"
+#include "enumerator.h"
+#include "slotdata.h"
+#include "wmdrmserver.h"
+
+#define _LOGGING_FILE L"wmdrmserver.txt"
+
+#include "flogger.h"
+#include "logfn.h"
+
+#ifdef __WINSCW__
+_LIT8( KDummyKey, "0123456789012345" );
+#endif
+
+_LIT8( KEmptyID, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" );
+
+LOCAL_C void ExtractSlotComponentsL(
+    const TDesC8& aMessageBuffer,
+    TDes8& aStore,
+    TDes8& aNamespace,
+    TDes8& aHashKey,
+    TDes8& aUniqueKey )
+    {
+    TInt len;
+    TInt offset;
+    TInt total = aMessageBuffer.Length();
+
+	offset = 0;
+	len = aMessageBuffer[offset];
+	if ( len <= 0 || len > KMaxWmDrmStoreNameSize || offset + len + 1 > total )
+	    {
+	    User::Leave( KErrArgument );
+	    }
+    aStore.Copy( aMessageBuffer.Mid( offset + 1, len ) );
+    
+    offset += len + 1;
+    if ( offset >= total )
+        {
+        User::Leave( KErrArgument );
+        }
+	len = aMessageBuffer[offset];
+	if ( len <= 0 || len > KMaxWmDrmNamespaceNameSize || offset + len + 1 > total )
+	    {
+	    User::Leave( KErrArgument );
+	    }
+	aNamespace.Copy( aMessageBuffer.Mid( offset + 1, len ) );
+	    
+    offset += len + 1;
+    if ( offset >= total )
+        {
+        User::Leave( KErrArgument );
+        }
+	len = aMessageBuffer[offset];
+	if ( len != KWmDrmIdSize || offset + len + 1 > total )
+	    {
+	    User::Leave( KErrArgument );
+	    }
+	aHashKey.Copy( aMessageBuffer.Mid( offset + 1, len ) );
+
+    offset += len + 1;
+    if ( offset >= total )
+        {
+        User::Leave( KErrArgument );
+        }
+	len = aMessageBuffer[offset];
+	if ( len != KWmDrmIdSize || offset + len + 1 > total )
+	    {
+	    User::Leave( KErrArgument );
+	    }
+	aUniqueKey.Copy( aMessageBuffer.Mid( offset + 1, len ) );
+	if ( aUniqueKey.CompareC( KEmptyID ) == 0 )
+	    {
+	    aUniqueKey.Fill( '0' );
+	    }
+	}
+    
+CSlot* CSlot::NewL( CWmDrmServer* aServer, const TDesC8& aMessageBuffer )
+    {
+    CSlot* self = new (ELeave) CSlot();
+    CleanupStack::PushL( self );
+    self->ConstructL( aServer, aMessageBuffer );
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+CSlot* CSlot::NewL( CWmDrmServer* aServer, CEnumerator* aEnumerator )
+    {
+    CSlot* self = new (ELeave) CSlot();
+    CleanupStack::PushL( self );
+    self->ConstructL( aServer, aEnumerator );
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+void CSlot::ConstructL(
+    CWmDrmServer* aServer,
+    const TDesC8& aMessageBuffer )
+    {
+    LOGFN( "CSlot::ConstructL" );
+	ExtractSlotComponentsL( aMessageBuffer, iStore, iNamespace, iHashKey, iUniqueKey );
+    iData = aServer->Cache()->GetSlotDataL( iStore, iNamespace, iHashKey, iUniqueKey );
+	iDataPosition = 0;
+    }
+
+void CSlot::ConstructL(
+    CWmDrmServer* aServer,
+    CEnumerator* aEnumerator )
+    {
+    LOGFN( "CSlot::ConstructL (2)" );
+    aEnumerator->GetHashKey( iHashKey );
+    aEnumerator->GetUniqueKey( iUniqueKey );
+    iStore.Copy( aEnumerator->iStore );
+    iNamespace.Copy( aEnumerator->iNamespace );
+    iData = aServer->Cache()->GetSlotDataL( iStore, iNamespace, iHashKey, iUniqueKey );
+	iDataPosition = 0;
+    }
+    
+
+CSlot::~CSlot()
+    {
+    LOGFN( "CSlot::~CSlot" );
+    if ( iData != NULL )
+        {
+        iData->Close();
+        }
+    }
+
+void CSlot::CreateL( TInt& aInitialSize )
+    {
+	LOGFN( "CSlot::CreateL" );
+	iData->CreateL( aInitialSize );
+    }
+    
+TInt CSlot::OpenL( TInt& aCurrentSize )
+    {
+    TInt r = KErrNone;
+    
+	LOGFNR( "CSlot::Open", r );
+	r = iData->OpenL( aCurrentSize );
+	iDataPosition = 0;
+	return r;
+    }
+    
+TInt CSlot::SeekL( TInt& aOffset, TSeek aOrigin )
+    {
+    TInt r = KErrNone;
+    TInt size;
+
+	LOGFNR( "CSlot::Seek", r );
+	if ( iData == NULL )
+	    {
+	    User::Leave( KErrNotReady );
+	    }
+	size = iData->Size();
+	switch ( aOrigin )
+	    {
+	    case ESeekStart:
+	        iDataPosition = aOffset;
+	        break;
+	    case ESeekEnd:
+	        iDataPosition = size + aOffset;
+	        break;
+	    case ESeekCurrent:
+	        iDataPosition += aOffset;
+	        break;
+	    }
+    iDataPosition = Max( iDataPosition, 0 );
+    iDataPosition = Min( iDataPosition, size );
+	LOG5( "Origin: %d, offset: %d, new pos: %d (size: %d)", aOrigin, aOffset, iDataPosition, size );
+	aOffset = iDataPosition;
+    return r;
+    }
+    
+TInt CSlot::Read( TDes8& aBuffer )
+    {
+    TInt r = KErrNone;
+
+	LOGFNR( "CSlot::Read", r );
+	if ( iData == NULL )
+	    {
+	    r = KErrNotReady;
+	    }
+	else
+	    {
+        r = iData->Read( iDataPosition, aBuffer );
+        }
+    if ( r == KErrNone )
+        {
+        iDataPosition += aBuffer.Length();
+        }
+    return r;
+    }
+    
+TInt CSlot::WriteL( const TDesC8& aBuffer )
+    {
+    TInt r = KErrNone;
+
+	LOGFNR( "CSlot::Write", r );
+	r = iData->WriteL( iDataPosition, aBuffer );
+    if ( r == KErrNone )
+        {
+        iDataPosition += aBuffer.Length();
+        }
+    return r;
+    }
+    
+TInt CSlot::ResizeL( TInt aNewSize )
+    {
+    TInt r = KErrNone;
+	LOGFNR( "CSlot::Resize", r );
+
+	if ( iData == NULL )
+	    {
+	    r = KErrNotReady;
+	    }
+	else
+	    {
+        iData->ResizeL( aNewSize );
+        if ( iDataPosition > aNewSize - 1 )
+            {
+            iDataPosition = aNewSize - 1;
+            }
+        }
+    return r;
+    }
+    
+TInt CSlot::DeleteL()
+    {
+    TInt r = KErrNone;
+    
+	LOGFNR( "CSlot::Delete", r );
+	if ( iData == NULL )
+	    {
+	    r = KErrNotReady;
+	    }
+	else
+	    {
+    	r = iData->DeleteL();
+    	}
+	return r;
+    }
+
+TInt CSlot::Size()
+    {
+    TInt r = KErrNone;
+    
+	LOGFNR( "CSlot::Size", r );
+	if ( iData == NULL )
+	    {
+	    r = KErrNotReady;
+	    }
+	else
+	    {
+    	r = iData->Size();
+    	}
+	return r;
+    }
+
+void CSlot::Close()
+    {
+	LOGFN( "CSlot::Close" );
+	if ( iData != NULL )
+        {
+        iData->Close();
+        iData = NULL;    
+        }
+    }