| 1 | /* $Id: MediumIOImpl.h 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox COM class implementation - MediumIO.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2018-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef MAIN_INCLUDED_MediumIOImpl_h
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| 19 | #define MAIN_INCLUDED_MediumIOImpl_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include "MediumIOWrap.h"
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| 25 | #include "VirtualBoxBase.h"
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| 26 | #include "AutoCaller.h"
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| 27 |
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| 28 | class ATL_NO_VTABLE MediumIO :
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| 29 | public MediumIOWrap
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| 30 | {
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| 31 | public:
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| 32 | /** @name Dummy/standard constructors and destructors.
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| 33 | * @{ */
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| 34 | DECLARE_EMPTY_CTOR_DTOR(MediumIO)
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| 35 | HRESULT FinalConstruct();
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| 36 | void FinalRelease();
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| 37 | /** @} */
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| 38 |
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| 39 | /** @name Initializer & uninitializer.
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| 40 | * @{ */
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| 41 | HRESULT initForMedium(Medium *pMedium, VirtualBox *pVirtualBox, bool fWritable,
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| 42 | com::Utf8Str const &rStrKeyId, com::Utf8Str const &rStrPassword);
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| 43 | void uninit();
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| 44 | /** @} */
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| 45 |
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| 46 | private:
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| 47 | /** @name Wrapped IMediumIO properties
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| 48 | * @{ */
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| 49 | HRESULT getMedium(ComPtr<IMedium> &a_rPtrMedium);
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| 50 | HRESULT getWritable(BOOL *a_fWritable);
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| 51 | HRESULT getExplorer(ComPtr<IVFSExplorer> &a_rPtrExplorer);
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| 52 | /** @} */
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| 53 |
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| 54 | /** @name Wrapped IMediumIO methods
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| 55 | * @{ */
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| 56 | HRESULT read(LONG64 a_off, ULONG a_cbRead, std::vector<BYTE> &a_rData);
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| 57 | HRESULT write(LONG64 a_off, const std::vector<BYTE> &a_rData, ULONG *a_pcbWritten);
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| 58 | HRESULT formatFAT(BOOL a_fQuick);
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| 59 | HRESULT initializePartitionTable(PartitionTableType_T a_enmFormat, BOOL a_fWholeDiskInOneEntry);
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| 60 | HRESULT convertToStream(const com::Utf8Str &aFormat,
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| 61 | const std::vector<MediumVariant_T> &aVariant,
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| 62 | ULONG aBufferSize,
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| 63 | ComPtr<IDataStream> &aStream,
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| 64 | ComPtr<IProgress> &aProgress);
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| 65 | HRESULT close();
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| 66 | /** @} */
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| 67 |
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| 68 | /** @name Internal workers.
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| 69 | * @{ */
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| 70 | void i_close();
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| 71 | /** @} */
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| 72 |
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| 73 | struct Data;
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| 74 | Data *m;
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| 75 |
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| 76 | class StreamTask;
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| 77 | friend class StreamTask;
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| 78 | };
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| 79 |
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| 80 | #endif /* !MAIN_INCLUDED_MediumIOImpl_h */
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| 81 | /* vi: set tabstop=4 shiftwidth=4 expandtab: */
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| 82 |
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