author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 19 Aug 2010 10:46:39 +0300 | |
branch | RCL_3 |
changeset 20 | 3dcb815346df |
parent 0 | c3e98f10fcf4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: GetReferencedObjects -operation implementation |
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* |
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*/ |
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// INCLUDE FILES |
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#include "BTServiceUtils.h" |
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#include "BTSBPPObjectRequest.h" |
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#include "BTSUDataConverter.h" |
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#include "BTSUImageConverter.h" |
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#include "BTSUDebug.h" |
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#include <f32file.h> // RFile |
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#include <s32mem.h> // RBufWriteStream |
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#include <s32file.h> // RFileReadStream |
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// CONSTANTS |
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const TInt KBTSBPPFileSizeNotSet = 0; |
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const TInt KBTSBPPFileSizeRequested = 1; |
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const TInt KBTSBPPFileSizeUnknown = -1; |
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const TInt KBTSBPPRestOfTheFileRequested = -1; |
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// The field lengths of Application Parameters -header in bytes |
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// |
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const TInt KBTSBPPFieldTag = 1; |
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const TInt KBTSBPPFieldLength = 1; |
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const TInt KBTSBPPValue = 4; |
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const TInt KBTSBPPAppParamLength = KBTSBPPFieldTag + KBTSBPPFieldLength + KBTSBPPValue; |
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_LIT8(KBTSBPPRefObjectOper, "x-obex/referencedobject\0"); |
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static const TUint8 KBTSBPPFileSizeTag = 0x04; |
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static const TUint8 KBTSBPPFileSizeLength = 0x04; |
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// MODULE DATA STRUCTURES |
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enum KBTSBPPAppParamTags |
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{ |
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KBTSBPPTagOffset = 1, |
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KBTSBPPTagCount, |
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KBTSBPPTagJobId, // used only in JobBased-printing |
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KBTSBPPTagFileSize |
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}; |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::CBTSBPPObjectRequest |
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// C++ default constructor can NOT contain any code, that |
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// might leave. |
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// ----------------------------------------------------------------------------- |
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// |
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CBTSBPPObjectRequest::CBTSBPPObjectRequest( CObexBaseObject* aGetOperation, |
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const CDesCArray* aRefObjectList ) : iRequest( aGetOperation ), |
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iObjectList( aRefObjectList ) |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::ConstructL |
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// Symbian 2nd phase constructor can leave. |
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// ----------------------------------------------------------------------------- |
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// |
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void CBTSBPPObjectRequest::ConstructL() |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::ConstructL()")); |
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User::LeaveIfError( iFileSession.Connect() ); |
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// Check the validity of the operation and it's paramters. |
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// |
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CheckGetRequestL(); |
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// Execute any tasks needed and create the requested object. |
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// |
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ExecuteGetRequestL(); |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::ConstructL() completed")); |
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} |
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::NewL |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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// |
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CBTSBPPObjectRequest* CBTSBPPObjectRequest::NewL( CObexBaseObject* aGetOperation, |
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const CDesCArray* aRefObjectList ) |
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{ |
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CBTSBPPObjectRequest* self = new( ELeave ) CBTSBPPObjectRequest( aGetOperation, |
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aRefObjectList ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop(); |
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return self; |
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} |
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109 |
|
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|
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// Destructor |
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CBTSBPPObjectRequest::~CBTSBPPObjectRequest() |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::~CBTSBPPObjectRequest()")); |
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iFileSession.Close(); |
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|
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delete iResponse; |
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delete iResponseBuffer; |
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|
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::~CBTSBPPObjectRequest() completed")); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::GetResponse |
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// ----------------------------------------------------------------------------- |
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// |
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CObexBufObject* CBTSBPPObjectRequest::GetResponse() |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::GetResponse()")); |
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return iResponse; |
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} |
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132 |
|
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::CheckGetRequestL |
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// ----------------------------------------------------------------------------- |
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// |
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void CBTSBPPObjectRequest::CheckGetRequestL() |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckGetRequestL()")); |
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|
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CheckTypeHeaderL(); |
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CheckNameHeaderL(); |
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CheckAppParamsHeaderL(); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::CheckTypeHeaderL |
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// ----------------------------------------------------------------------------- |
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// |
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void CBTSBPPObjectRequest::CheckTypeHeaderL() |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckTypeHeaderL()")); |
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|
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__ASSERT_DEBUG( iRequest, BTSUPanic( EBTSUPanicNullPointer ) ); |
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|
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const TDesC8& typeHeader = iRequest->Type(); |
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|
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if ( typeHeader.Length() == 0 ) |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckTypeHeaderL() ERROR, no type header")); |
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User::Leave( KErrNotFound ); |
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} |
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else if ( typeHeader.Length() > KBTSUMaxStringLength ) |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckTypeHeaderL() ERROR, type header too long")); |
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User::Leave( KErrTooBig ); |
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} |
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else |
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{ |
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FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckTypeHeaderL() type header '%S'"), &typeHeader )); |
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// The only supported operation is GetReferencedObjects |
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// |
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if ( typeHeader != KBTSBPPRefObjectOper() ) |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckTypeHeaderL() ERROR, unsupported operation")); |
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User::Leave( KErrNotSupported ); |
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} |
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} |
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|
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckTypeHeaderL() completed")); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::CheckNameHeaderL |
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// ----------------------------------------------------------------------------- |
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// |
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void CBTSBPPObjectRequest::CheckNameHeaderL() |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckNameHeaderL()")); |
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|
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__ASSERT_DEBUG( iRequest, BTSUPanic( EBTSUPanicNullPointer ) ); |
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|
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const TDesC& nameHeader = iRequest->Name(); |
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|
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if ( nameHeader.Length() == 0 ) |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckNameHeaderL() ERROR, no name header")); |
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User::Leave( KErrNotFound ); |
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} |
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else |
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{ |
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FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckNameHeaderL() filename '%S'"), &nameHeader )); |
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|
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// Check are we allowed to send this file |
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// |
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TInt dummy; |
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if ( iObjectList->Find( nameHeader, dummy ) != KBTSUEqualStrings ) |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckNameHeaderL() ERROR, the asked object is not referenced in the document")); |
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User::Leave( KErrPermissionDenied ); |
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} |
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212 |
|
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iRequestParams.iName = &nameHeader; |
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} |
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} |
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216 |
|
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::CheckAppParamsHeaderL |
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// |
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// This method expects a Tag-Length-Value format. The method is as defensive |
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// as possible, for example unknown or illegal values are discarded. |
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// ----------------------------------------------------------------------------- |
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// |
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void CBTSBPPObjectRequest::CheckAppParamsHeaderL() |
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225 |
{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckAppParamsHeaderL()")); |
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227 |
|
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__ASSERT_DEBUG( iRequest, BTSUPanic( EBTSUPanicNullPointer ) ); |
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229 |
|
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TPtrC8 header( iRequest->AppParam() ); |
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231 |
|
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if ( header.Length() == 0 ) |
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233 |
{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckAppParamsHeaderL() ERROR, no AppParam header")); |
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User::Leave( KErrNotFound ); |
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236 |
} |
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else if ( header.Length() < KBTSBPPAppParamLength * 2) |
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238 |
{ |
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239 |
// There has to be at least offset and count -parameters. |
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240 |
// |
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241 |
FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckAppParamsHeaderL() ERROR, incomplete AppParam header")); |
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242 |
User::Leave( KErrArgument ); |
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243 |
} |
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244 |
else |
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245 |
{ |
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246 |
// Parse the header |
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247 |
// |
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248 |
while( header.Length() >= KBTSBPPAppParamLength ) |
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249 |
{ |
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250 |
// Extract tag number and remove it from the header |
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251 |
// |
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Revision: 201001
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252 |
TInt tagNumber = TBTSUDataConverter::ConvertByteL( |
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253 |
header.Left( KBTSBPPFieldTag ) ); |
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254 |
header.Set( header.Mid( KBTSBPPFieldTag ) ); |
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|
255 |
|
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256 |
// Extract value length and remove it from the header |
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257 |
// |
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258 |
TInt valueLength = TBTSUDataConverter::ConvertByteL( |
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Revision: 201001
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|
259 |
header.Left( KBTSBPPFieldLength ) ); |
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|
260 |
header.Set( header.Mid( KBTSBPPFieldLength ) ); |
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|
261 |
|
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|
262 |
if ( valueLength != KBTSBPPValue ) |
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|
263 |
{ |
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Revision: 201001
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|
264 |
FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckAppParamsHeaderL() WARNING, illegal length %d"), valueLength )); |
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|
265 |
valueLength = KBTSBPPValue; |
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diff
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|
266 |
// This is an interesting choice of what to do, I would argue that for future compatibility you'll probably want to accept the length |
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Revision: 201001
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|
267 |
// provided as it might be for a new tag that is not yet published. (Checking of the size for known tags is handled by the conversion |
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Revision: 201001
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|
268 |
// functions anyway). |
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Revision: 201001
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|
269 |
// So, in summary I wouldn't change valueLength from what it is in the payload. But I've left it in for now in case it was added for |
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|
270 |
// interoperability reasons with some existing device. |
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|
271 |
} |
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|
272 |
|
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|
273 |
// Extract value... |
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|
274 |
// |
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Revision: 201001
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|
275 |
switch ( tagNumber ) |
c3e98f10fcf4
Revision: 201001
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|
276 |
{ |
c3e98f10fcf4
Revision: 201001
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|
277 |
case KBTSBPPTagOffset: |
c3e98f10fcf4
Revision: 201001
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|
278 |
{ |
c3e98f10fcf4
Revision: 201001
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|
279 |
iRequestParams.iOffset = |
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Revision: 201001
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|
280 |
TBTSUDataConverter::ConvertDataUnsignedL( |
c3e98f10fcf4
Revision: 201001
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|
281 |
header.Left( valueLength ) ); |
c3e98f10fcf4
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parents:
diff
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|
282 |
|
c3e98f10fcf4
Revision: 201001
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diff
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|
283 |
FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckAppParamsHeaderL() offset '%d'"), iRequestParams.iOffset )); |
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Revision: 201001
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|
284 |
break; |
c3e98f10fcf4
Revision: 201001
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parents:
diff
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|
285 |
} |
c3e98f10fcf4
Revision: 201001
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parents:
diff
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|
286 |
case KBTSBPPTagCount: |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
287 |
{ |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
288 |
iRequestParams.iCount = |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
289 |
TBTSUDataConverter::ConvertDataSignedL( |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
290 |
header.Left( valueLength ) ); |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
291 |
|
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
292 |
FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckAppParamsHeaderL() count '%d'"), iRequestParams.iCount )); |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
293 |
break; |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
294 |
} |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
295 |
case KBTSBPPTagFileSize: |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
296 |
{ |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
297 |
// The value is not interesting, we just need to know whether |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
298 |
// the parameter was received (and thus requested) |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
299 |
// |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
300 |
iRequestParams.iOffset = KBTSBPPFileSizeRequested; |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::ParseHeadersL() fileSize parameter received")); |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
302 |
break; |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
} |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
304 |
|
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|
305 |
case KBTSBPPTagJobId: |
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306 |
default: |
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307 |
{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckAppParamsHeaderL() WARNING, illegal tag")); |
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break; |
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310 |
} |
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311 |
} |
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|
312 |
|
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// ...and remove it from the header |
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314 |
// |
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header.Set( header.Mid( valueLength ) ); |
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316 |
} |
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317 |
} |
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|
318 |
|
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|
319 |
FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CheckAppParamsHeaderL() completed")); |
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} |
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|
321 |
|
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322 |
// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::ExecuteGetRequestL |
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// ----------------------------------------------------------------------------- |
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325 |
// |
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void CBTSBPPObjectRequest::ExecuteGetRequestL() |
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327 |
{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::ExecuteGetRequestL()")); |
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329 |
|
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330 |
// If iCount is 0, an empty body will be sent |
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// |
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332 |
if ( iRequestParams.iCount != 0 ) |
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333 |
{ |
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334 |
ResolveGetRequestL(); |
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335 |
ReadFileToBufferL(); |
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336 |
} |
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|
337 |
|
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|
338 |
CreateResponseObjectL(); |
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|
339 |
|
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::ExecuteGetRequestL() completed")); |
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341 |
} |
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|
342 |
|
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343 |
// ----------------------------------------------------------------------------- |
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344 |
// CBTSBPPObjectRequest::ResolveGetRequestL |
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345 |
// ----------------------------------------------------------------------------- |
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346 |
// |
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347 |
void CBTSBPPObjectRequest::ResolveGetRequestL() |
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348 |
{ |
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349 |
FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::ResolveGetRequestL()")); |
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|
350 |
|
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|
351 |
// Get the file size |
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352 |
// |
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353 |
RFile file; |
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|
354 |
TInt size = 0; |
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Revision: 201001
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|
355 |
User::LeaveIfError( file.Open( iFileSession, *iRequestParams.iName, |
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|
356 |
EFileShareReadersOnly | EFileStream ) ); |
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|
357 |
|
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|
358 |
TInt error = file.Size( size ); |
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|
359 |
|
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|
360 |
if ( error ) |
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|
361 |
{ |
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Revision: 201001
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|
362 |
FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::ResolveGetRequestL() error %d in getting the size"), error ) ); |
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|
363 |
size = KBTSBPPFileSizeUnknown; |
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|
364 |
} |
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parents:
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|
365 |
|
c3e98f10fcf4
Revision: 201001
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|
366 |
file.Close(); |
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|
367 |
|
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Revision: 201001
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|
368 |
// Store the file size if it was requested |
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|
369 |
// |
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Revision: 201001
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|
370 |
if ( iRequestParams.iFileSize == KBTSBPPFileSizeRequested ) |
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Revision: 201001
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parents:
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|
371 |
{ |
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Revision: 201001
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|
372 |
iRequestParams.iFileSize = size; |
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Revision: 201001
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|
373 |
} |
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Revision: 201001
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|
374 |
|
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Revision: 201001
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|
375 |
// Resolve the actual amount of data that needs to be read. |
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Revision: 201001
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|
376 |
// |
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|
377 |
TInt dataLeft = size - iRequestParams.iOffset; |
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Revision: 201001
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parents:
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|
378 |
|
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|
379 |
if ( iRequestParams.iCount == KBTSBPPRestOfTheFileRequested ) |
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Revision: 201001
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parents:
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|
380 |
{ |
c3e98f10fcf4
Revision: 201001
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|
381 |
if ( size == KBTSBPPFileSizeUnknown ) |
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Revision: 201001
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parents:
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|
382 |
{ |
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Revision: 201001
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|
383 |
// The size of the file is unknown, so read as much |
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Revision: 201001
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parents:
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|
384 |
// as would fit into the buffer |
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Revision: 201001
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parents:
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|
385 |
// |
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Revision: 201001
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parents:
diff
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|
386 |
iRequestParams.iCount = KBTSUDataBufferMaxSize; |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
387 |
} |
c3e98f10fcf4
Revision: 201001
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parents:
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changeset
|
388 |
else |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
389 |
{ |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
390 |
// The rest of the file is requested, so correct the count |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
// |
c3e98f10fcf4
Revision: 201001
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parents:
diff
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|
392 |
iRequestParams.iCount = dataLeft; |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
} |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
394 |
} |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
else if ( iRequestParams.iCount > dataLeft ) |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
{ |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
// There is less data left that was requested, so correct the count |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
398 |
// |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
iRequestParams.iCount = dataLeft; |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
} |
c3e98f10fcf4
Revision: 201001
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parents:
diff
changeset
|
401 |
|
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
if ( iRequestParams.iCount > KBTSUDataBufferMaxSize ) |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
{ |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
// The requested count is too big |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
// |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::ResolveGetRequestL() iCount too big %d"), iRequestParams.iCount ) ); |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
User::Leave( KErrTooBig ); |
c3e98f10fcf4
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
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} |
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FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::ResolveGetRequestL() completed, requested %d bytes"), iRequestParams.iCount ) ); |
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} |
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::ReadFileToBufferL |
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// ----------------------------------------------------------------------------- |
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// |
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void CBTSBPPObjectRequest::ReadFileToBufferL() |
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{ |
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__ASSERT_DEBUG( !iResponseBuffer, BTSUPanic( EBTSUPanicExistingObject ) ); |
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|
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// Create a buffer for the object and reserve space according to the request |
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// |
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iResponseBuffer = CBufFlat::NewL( KBTSUDataBufferExpandSize ); |
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iResponseBuffer->SetReserveL( iRequestParams.iCount ); |
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iResponseBuffer->ResizeL( iRequestParams.iCount ); |
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|
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// Open the file |
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// |
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RFile file; |
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User::LeaveIfError( file.Open( iFileSession, *iRequestParams.iName, |
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EFileShareReadersOnly | EFileStream ) ); |
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CleanupClosePushL( file ); |
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|
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// Create a stream for reading from the file |
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// |
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RFileReadStream readStream( file, iRequestParams.iOffset ); |
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|
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// Create a stream for writing into the buffer |
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// |
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RBufWriteStream writeStream( *iResponseBuffer ); |
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|
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// Read the data from file to the buffer |
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// |
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readStream.ReadL( writeStream, iRequestParams.iCount ); |
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|
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FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::ReadFileToBufferL() space reserved '%d'"), iRequestParams.iCount )); |
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FTRACE(FPrint(_L("[BTSBPP]\t CBTSBPPObjectRequest::ReadFileToBufferL() data read '%d'"), iResponseBuffer->Size() )); |
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|
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CleanupStack::PopAndDestroy(&file); |
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} |
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|
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|
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// ----------------------------------------------------------------------------- |
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// CBTSBPPObjectRequest::CreateResponseObjectL |
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// ----------------------------------------------------------------------------- |
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// |
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void CBTSBPPObjectRequest::CreateResponseObjectL() |
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{ |
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__ASSERT_DEBUG( iResponseBuffer || (iRequestParams.iCount == 0), BTSUPanic( EBTSUPanicNoBufferEvenThoughCountNotZero ) ); |
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__ASSERT_DEBUG( !iResponse, BTSUPanic( EBTSUPanicResponseAlreadyPresent ) ); |
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// Create the OBEX response object using the buffer already created (or no buffer if appropriate) |
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// |
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iResponse = CObexBufObject::NewL( iResponseBuffer ); |
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|
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// Generate FileSize parameter if requested |
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// |
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if ( iRequestParams.iFileSize != KBTSBPPFileSizeNotSet ) |
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{ |
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FLOG(_L("[BTSBPP]\t CBTSBPPObjectRequest::CreateResponseObjectL() generate file size param")); |
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TBuf8<KBTSBPPAppParamLength> params; |
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params.SetMax(); |
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TUint8* ptr = const_cast<TUint8*>(params.Ptr()); |
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*ptr++ = KBTSBPPFileSizeTag; |
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*ptr++ = KBTSBPPFileSizeLength; |
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BigEndian::Put32(ptr, *reinterpret_cast<TUint32*>(&iRequestParams.iFileSize)); // reinterpret cast to retain signed nature... |
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iResponse->SetAppParamL( params ); |
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} |
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} |
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|
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// End of File |