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| 2 | /* $Id: GuestFileImpl.h 45109 2013-03-20 16:41:00Z vboxsync $ */
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| 3 | /** @file
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| 4 | * VirtualBox Main - Guest file handling.
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2012-2013 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.215389.xyz. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #ifndef ____H_GUESTFILEIMPL
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| 20 | #define ____H_GUESTFILEIMPL
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| 21 |
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| 22 | #include "VirtualBoxBase.h"
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| 23 |
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| 24 | #include "GuestFsObjInfoImpl.h"
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| 25 | #include "GuestCtrlImplPrivate.h"
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| 26 |
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| 27 | class Console;
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| 28 | class GuestSession;
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| 29 | class GuestProcess;
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| 30 |
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| 31 | /**
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| 32 | * TODO
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| 33 | */
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| 34 | class ATL_NO_VTABLE GuestFile :
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| 35 | public VirtualBoxBase,
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| 36 | public GuestObject,
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| 37 | VBOX_SCRIPTABLE_IMPL(IGuestFile)
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| 38 | {
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| 39 | public:
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| 40 | /** @name COM and internal init/term/mapping cruft.
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| 41 | * @{ */
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| 42 | VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(GuestFile, IGuestFile)
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| 43 | DECLARE_NOT_AGGREGATABLE(GuestFile)
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| 44 | DECLARE_PROTECT_FINAL_CONSTRUCT()
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| 45 | BEGIN_COM_MAP(GuestFile)
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| 46 | VBOX_DEFAULT_INTERFACE_ENTRIES(IGuestFile)
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| 47 | COM_INTERFACE_ENTRY(IFile)
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| 48 | END_COM_MAP()
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| 49 | DECLARE_EMPTY_CTOR_DTOR(GuestFile)
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| 50 |
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| 51 | int init(Console *pConsole, GuestSession *pSession, ULONG uFileID, const GuestFileOpenInfo &openInfo);
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| 52 | void uninit(void);
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| 53 | HRESULT FinalConstruct(void);
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| 54 | void FinalRelease(void);
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| 55 | /** @} */
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| 56 |
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| 57 | /** @name IFile interface.
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| 58 | * @{ */
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| 59 | STDMETHOD(COMGETTER(CreationMode))(ULONG *aCreationMode);
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| 60 | STDMETHOD(COMGETTER(Disposition))(ULONG *aDisposition);
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| 61 | STDMETHOD(COMGETTER(FileName))(BSTR *aFileName);
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| 62 | STDMETHOD(COMGETTER(InitialSize))(LONG64 *aInitialSize);
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| 63 | STDMETHOD(COMGETTER(Offset))(LONG64 *aOffset);
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| 64 | STDMETHOD(COMGETTER(OpenMode))(ULONG *aOpenMode);
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| 65 |
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| 66 | STDMETHOD(Close)(void);
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| 67 | STDMETHOD(QueryInfo)(IFsObjInfo **aInfo);
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| 68 | STDMETHOD(Read)(ULONG aToRead, ULONG aTimeoutMS, ComSafeArrayOut(BYTE, aData));
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| 69 | STDMETHOD(ReadAt)(LONG64 aOffset, ULONG aToRead, ULONG aTimeoutMS, ComSafeArrayOut(BYTE, aData));
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| 70 | STDMETHOD(Seek)(LONG64 aOffset, FileSeekType_T aType);
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| 71 | STDMETHOD(SetACL)(IN_BSTR aACL);
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| 72 | STDMETHOD(Write)(ComSafeArrayIn(BYTE, aData), ULONG aTimeoutMS, ULONG *aWritten);
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| 73 | STDMETHOD(WriteAt)(LONG64 aOffset, ComSafeArrayIn(BYTE, aData), ULONG aTimeoutMS, ULONG *aWritten);
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| 74 | /** @} */
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| 75 |
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| 76 | public:
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| 77 | /** @name Public internal methods.
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| 78 | * @{ */
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| 79 | int callbackDispatcher(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCb);
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| 80 | int closeFile(int *pGuestRc);
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| 81 | static uint32_t getDispositionFromString(const Utf8Str &strDisposition);
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| 82 | static uint32_t getOpenModeFromString(const Utf8Str &strOpenMode);
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| 83 | static Utf8Str guestErrorToString(int guestRc);
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| 84 | int onFileNotify(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCbData, GuestCtrlCallback *pCallback);
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| 85 | int onGuestDisconnected(PVBOXGUESTCTRLHOSTCBCTX pCbCtx, PVBOXGUESTCTRLHOSTCALLBACK pSvcCbData, GuestCtrlCallback *pCallback);
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| 86 | int openFile(int *pGuestRc);
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| 87 | int readData(uint32_t uSize, uint32_t uTimeoutMS, void *pvData, size_t cbData, size_t *pcbRead, int *pGuestRc);
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| 88 | int readDataAt(uint64_t uOffset, uint32_t uSize, uint32_t uTimeoutMS, void *pvData, size_t cbData, size_t *pcbRead, int *pGuestRc);
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| 89 | int seekAt(uint64_t uOffset, GUEST_FILE_SEEKTYPE eSeekType, uint32_t uTimeoutMS, int *pGuestRc);
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| 90 | int sendFileCommand(uint32_t uFunction, uint32_t uParms, PVBOXHGCMSVCPARM paParms, uint32_t uTimeoutMS, int *pGuestRc, GuestCtrlCallback **ppCallback);
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| 91 | static HRESULT setErrorExternal(VirtualBoxBase *pInterface, int guestRc);
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| 92 | int writeData(uint32_t uTimeoutMS, void *pvData, size_t cbData, uint32_t *pcbWritten, int *pGuestRc);
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| 93 | int writeDataAt(uint64_t uOffset, uint32_t uTimeoutMS, void *pvData, size_t cbData, uint32_t *pcbWritten, int *pGuestRc);
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| 94 | /** @} */
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| 95 |
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| 96 | private:
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| 97 |
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| 98 | struct Data
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| 99 | {
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| 100 | /** The internal console object. */
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| 101 | Console *mConsole;
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| 102 | /** The associate session this file belongs to. */
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| 103 | GuestSession *mSession;
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| 104 | /** All related callbacks to this file. */
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| 105 | GuestCtrlCallbacks mCallbacks;
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| 106 | /** The file's open info. */
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| 107 | GuestFileOpenInfo mOpenInfo;
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| 108 | /** The file's initial size on open. */
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| 109 | uint64_t mInitialSize;
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| 110 | /** The file's internal ID. */
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| 111 | uint32_t mID;
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| 112 | /** The file's current offset. */
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| 113 | uint64_t mOffCurrent;
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| 114 | } mData;
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| 115 | };
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| 116 |
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| 117 | #endif /* !____H_GUESTFILEIMPL */
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| 118 |
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