Leaked source code of windows server 2003
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143 lines
5.2 KiB

//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1995.
//
// File: CMimeFt.hxx
//
// Contents:
//
// Classes:
//
// Functions:
//
// History: 04-16-97 DanpoZ (Danpo Zhang) Created
//
//----------------------------------------------------------------------------
#ifndef _CMIMEFT_HXX_
#define _CMIMEFT_HXX_
#include <urlmon.hxx>
#define FT_IBUF_SIZE 8192+2 // input buffer size default to 8K
#define FT_OBUF_SIZE 6*8192 // output buffer size default to 6*IN
//+---------------------------------------------------------------------------
//
// Class: CMimeFt
//
// Purpose: Decompressor MIME filter
//
// Interface: [support all IOInetProtocol interfaces]
// [support all IOInetProtocolSink interfaces]
//
// History: 04-16-97 DanpoZ (Danpo Zhang) Created
// 11-24-97 DanpoZ (Danpo Zhang) Added Stackable interface
//
//----------------------------------------------------------------------------
class CMimeFt : public IOInetProtocol,
public IOInetProtocolSink,
public IOInetProtocolSinkStackable
{
public:
// IUnknown methods
STDMETHODIMP QueryInterface(REFIID iid, void **ppvObj);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
// IOInetProtocol
STDMETHODIMP Start(
LPCWSTR szUrl,
IOInetProtocolSink *pProtSink,
IOInetBindInfo *pOIBindInfo,
DWORD grfSTI,
DWORD_PTR dwReserved
);
STDMETHODIMP Continue( PROTOCOLDATA *pStateInfo);
STDMETHODIMP Abort( HRESULT hrReason, DWORD dwOptions);
STDMETHODIMP Terminate( DWORD dwOptions);
STDMETHODIMP Suspend();
STDMETHODIMP Resume();
STDMETHODIMP Read(void *pv, ULONG cb, ULONG *pcbRead);
STDMETHODIMP Seek(
LARGE_INTEGER dlibMove,
DWORD dwOrigin,
ULARGE_INTEGER *plibNewPosition
);
STDMETHODIMP LockRequest(DWORD dwOptions);
STDMETHODIMP UnlockRequest();
// IOInetProtocolSink
STDMETHODIMP Switch( PROTOCOLDATA *pStateInfo);
STDMETHODIMP ReportProgress( ULONG ulStatusCode, LPCWSTR szStatusText);
STDMETHODIMP ReportData(
DWORD grfBSCF,
ULONG ulProgress,
ULONG ulProgressMax
);
STDMETHODIMP ReportResult(
HRESULT hrResult,
DWORD dwError,
LPCWSTR wzResult
);
// IOInetProtocolSinkStackable
STDMETHODIMP SwitchSink(IOInetProtocolSink* pSink);
STDMETHODIMP CommitSwitch();
STDMETHODIMP RollbackSwitch();
// static create method
static HRESULT Create(
CMimeFt** ppMft
);
virtual ~CMimeFt();
private:
// CMimeFt
CMimeFt();
HRESULT CreateBuffer();
HRESULT SmartRead(void *pv, ULONG cb, ULONG *pcbRead, BOOL fSniff);
private:
CRefCount _CRefs; // ref count
ULONG _ulCurSizeFmtIn; // processed incoming data
ULONG _ulCurSizeFmtOut; // generated outgoing data
ULONG _ulTotalSizeFmtIn; // total expected incoming data
ULONG _ulTotalSizeFmtOut; // total expected outgoing data
ULONG _ulOutAvailable; // available for outgoing
ULONG _ulInBufferLeft; // left data in the compress buf
ULONG _ulContentLength; // today bytes uncompressed
BYTE* _pOutBuf; // holds incoming data
BYTE* _pInBuf; // holds outgoing data
IOInetProtocol* _pProt; // incoming
IOInetProtocolSink* _pProtSink; // outgoing
IDataFilter* _pDF; // filter
IOInetProtocolSink* _pProtSinkOld; // for Commit-Rollback
DWORD _grfBindF; // binding flags
DWORD _grfBSCF; // status
BOOL _bEncoding; // encoding or decoding?
BOOL _bMimeReported; // mime type reported?
BOOL _bMimeVerified; // mime type verified?
BOOL _bCanCache; // No-cache?
CHAR _szFileName[MAX_PATH]; // cache file name
CHAR _szURL[MAX_PATH]; // url name
LPWSTR _pwzMimeSuggested; // server content type
CHAR _szSuggestedFileName[MAX_PATH]; // Suggested cache file name from headers
HANDLE _hFile; // File Handle
BOOL _fDelayReport; // delay report result?
BOOL _fSniffed; // data sniff done?
BOOL _fSniffInProgress; // sniff in progress?
HRESULT _hrResult; // hr (delay report result)
DWORD _dwError; // Err(delay report result)
LPCWSTR _wzResult; // stt(delay report result)
BOOL _fReadInProgress; // guards re-entrancy during Read
};
#endif