afxinet.h

计算机科学与技术专业毕业设计

	DWORD m_dwContext;
	CInternetSession* m_pSession;
	virtual void Close();

	CString m_strServerName;
	INTERNET_PORT m_nPort;

public:
	~CInternetConnection();
	DECLARE_DYNAMIC(CInternetConnection)

#ifdef _DEBUG
	virtual void Dump(CDumpContext& dc) const;
	void AssertValid() const;
#endif
};

class CFtpConnection : public CInternetConnection
{
public:
	CFtpConnection(CInternetSession* pSession, HINTERNET hConnected,
		LPCTSTR pstrServer, DWORD dwContext);
	CFtpConnection(CInternetSession* pSession, LPCTSTR pstrServer,
		LPCTSTR pstrUserName = NULL, LPCTSTR pstrPassword = NULL,
		DWORD dwContext = 0,
		INTERNET_PORT nPort = INTERNET_INVALID_PORT_NUMBER,
		BOOL bPassive = FALSE);

	BOOL SetCurrentDirectory(LPCTSTR pstrDirName);

	BOOL GetCurrentDirectory(CString& strDirName) const;
	BOOL GetCurrentDirectory(LPTSTR pstrDirName, LPDWORD lpdwLen) const;
	BOOL GetCurrentDirectoryAsURL(LPTSTR pstrName, LPDWORD lpdwLen) const;
	BOOL GetCurrentDirectoryAsURL(CString& strDirName) const;

	BOOL RemoveDirectory(LPCTSTR pstrDirName);
	BOOL CreateDirectory(LPCTSTR pstrDirName);
	BOOL Rename(LPCTSTR pstrExisting, LPCTSTR pstrNew);
	BOOL Remove(LPCTSTR pstrFileName);

	BOOL PutFile(LPCTSTR pstrLocalFile, LPCTSTR pstrRemoteFile,
		DWORD dwFlags = FTP_TRANSFER_TYPE_BINARY, DWORD dwContext = 1);

	BOOL GetFile(LPCTSTR pstrRemoteFile, LPCTSTR pstrLocalFile,
		BOOL bFailIfExists = TRUE,
		DWORD dwAttributes = FILE_ATTRIBUTE_NORMAL,
		DWORD dwFlags = FTP_TRANSFER_TYPE_BINARY, DWORD dwContext = 1);

	CInternetFile* OpenFile(LPCTSTR pstrFileName,
		DWORD dwAccess = GENERIC_READ,
		DWORD dwFlags = FTP_TRANSFER_TYPE_BINARY, DWORD dwContext = 1);

	virtual void Close();

// implementation
	~CFtpConnection();

protected:
	CString m_strServerName;

public:
#ifdef _DEBUG
	virtual void Dump(CDumpContext& dc) const;
	virtual void AssertValid() const;
#endif

	DECLARE_DYNAMIC(CFtpConnection)
};

class CHttpConnection : public CInternetConnection
{
public:
	enum {
		_HTTP_VERB_MIN      = 0,
		HTTP_VERB_POST      = 0,
		HTTP_VERB_GET       = 1,
		HTTP_VERB_HEAD      = 2,
		HTTP_VERB_PUT       = 3,
		HTTP_VERB_LINK      = 4,
		HTTP_VERB_DELETE    = 5,
		HTTP_VERB_UNLINK    = 6,
		_HTTP_VERB_MAX      = 6,
	};

public:
	CHttpConnection(CInternetSession* pSession, HINTERNET hConnected,
		LPCTSTR pstrServer, DWORD dwContext);
	CHttpConnection(CInternetSession* pSession, LPCTSTR pstrServer,
		INTERNET_PORT nPort = INTERNET_INVALID_PORT_NUMBER,
		LPCTSTR pstrUserName = NULL, LPCTSTR pstrPassword = NULL,
		DWORD dwContext = 1);
	CHttpConnection(CInternetSession* pSession, LPCTSTR pstrServer,
		DWORD dwFlags, INTERNET_PORT nPort = INTERNET_INVALID_PORT_NUMBER,
		LPCTSTR pstrUserName = NULL, LPCTSTR pstrPassword = NULL,
		DWORD dwContext = 1);

	CHttpFile* OpenRequest(LPCTSTR pstrVerb,    LPCTSTR pstrObjectName,
		LPCTSTR pstrReferer = NULL,DWORD dwContext = 1,
		LPCTSTR* ppstrAcceptTypes = NULL, LPCTSTR pstrVersion = NULL,
		DWORD dwFlags = INTERNET_FLAG_EXISTING_CONNECT);

	CHttpFile* OpenRequest(int nVerb, LPCTSTR pstrObjectName,
		LPCTSTR pstrReferer = NULL, DWORD dwContext = 1,
		LPCTSTR* ppstrAcceptTypes = NULL, LPCTSTR pstrVersion = NULL,
		DWORD dwFlags = INTERNET_FLAG_EXISTING_CONNECT);

// implementation
	~CHttpConnection();
	virtual void Close();

protected:
	CString m_strServerName;
	static const LPCTSTR szHtmlVerbs[];

public:
#ifdef _DEBUG
	virtual void Dump(CDumpContext& dc) const;
	virtual void AssertValid() const;
#endif

	friend class CInternetSession;  // just to access szHtmlVerbs
	DECLARE_DYNAMIC(CHttpConnection)
};

class CGopherConnection : public CInternetConnection
{
public:
	CGopherConnection(CInternetSession* pSession,
		HINTERNET hConnected, LPCTSTR pstrServer, DWORD dwContext);

	CGopherConnection(CInternetSession* pSession, LPCTSTR pstrServer,
		LPCTSTR pstrUserName = NULL, LPCTSTR pstrPassword = NULL,
		DWORD dwContext = 0,
		INTERNET_PORT nPort = INTERNET_INVALID_PORT_NUMBER);

	CGopherFile* OpenFile(CGopherLocator& refLocator, DWORD dwFlags = 0,
		LPCTSTR pstrView = NULL, DWORD dwContext = 1);

	CGopherLocator CreateLocator(LPCTSTR pstrDisplayString,
		LPCTSTR pstrSelectorString, DWORD dwGopherType);

	BOOL CGopherConnection::GetAttribute(CGopherLocator& refLocator,
		CString strRequestedAttributes, CString& strResult);

	static CGopherLocator CreateLocator(LPCTSTR pstrLocator);
	static CGopherLocator CreateLocator(LPCTSTR pstrServerName,
		LPCTSTR pstrDisplayString,
		LPCTSTR pstrSelectorString, DWORD dwGopherType,
		INTERNET_PORT nPort = INTERNET_INVALID_PORT_NUMBER);

// implementation
	~CGopherConnection();
	virtual void Close();

public:
#ifdef _DEBUG
	virtual void Dump(CDumpContext& dc) const;
	virtual void AssertValid() const;
#endif
	DECLARE_DYNAMIC(CGopherConnection)
};


/////////////////////////////////////////////////////////////////////////////
// CFtpFileFind

class CFtpFileFind : public CFileFind
{
public:
	CFtpFileFind(CFtpConnection* pConnection, DWORD dwContext = 1);
	virtual ~CFtpFileFind();

	virtual BOOL FindFile(LPCTSTR pstrName = NULL,
		DWORD dwFlags = INTERNET_FLAG_RELOAD);
	virtual BOOL FindNextFile();
	CString GetFileURL() const;

// implementation
protected:
	virtual void CloseContext();
	CFtpConnection* m_pConnection;
	DWORD m_dwContext;

public:
#ifdef _DEBUG
	virtual void Dump(CDumpContext& dc) const;
	virtual void AssertValid() const;
#endif

	DECLARE_DYNAMIC(CFtpFileFind)
};


/////////////////////////////////////////////////////////////////////////////
// CGopherLocator

class CGopherLocator : public CObject
{
public:
	~CGopherLocator();
	operator LPCTSTR() const;
	CGopherLocator(const CGopherLocator& ref);
	BOOL GetLocatorType(DWORD& dwRef) const;

private:
	// this only created by CGopherConnection::CreateLocator or by serialization
	CGopherLocator(LPCTSTR pstrLocator, DWORD dwLocLen);

	CString m_Locator;  // _not_ a zero-terminated string!
	DWORD m_dwBufferLength;

	friend class CGopherConnection;
	friend class CGopherFile;
};


/////////////////////////////////////////////////////////////////////////////
// CGopherFile

class CGopherFile : public CInternetFile
{
// Constructors
protected:
	CGopherFile(HINTERNET hFile, CGopherLocator& refLocator,
		CGopherConnection* pConnection);
	CGopherFile(HINTERNET hFile, HINTERNET hSession,
		LPCTSTR pstrLocator, DWORD dwLocLen, DWORD dwContext);

// Operations
public:
	virtual void Close();
	virtual void Write(const void* lpBuf, UINT nCount);
	void WriteString(LPCTSTR pstr);

// Implementation
protected:
	CGopherLocator m_Locator;
public:
	virtual ~CGopherFile();

#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

	friend class CInternetSession;
	friend class CGopherConnection;
	DECLARE_DYNAMIC(CGopherFile)
};


/////////////////////////////////////////////////////////////////////////////
// CGopherFileFind

class CGopherFileFind : public CFileFind
{
public:
	CGopherFileFind(CGopherConnection* pConnection, DWORD dwContext = 1);
	virtual ~CGopherFileFind();

	virtual BOOL FindFile(CGopherLocator& refLocator, LPCTSTR pstrString,
		DWORD dwFlags = INTERNET_FLAG_RELOAD);
	virtual BOOL FindFile(LPCTSTR pstrString,
		DWORD dwFlags = INTERNET_FLAG_RELOAD);
	virtual BOOL FindNextFile();

	virtual BOOL IsDots() const;

	virtual BOOL GetLastWriteTime(FILETIME* pTimeStamp) const;
	virtual BOOL GetLastAccessTime(FILETIME* pTimeStamp) const;
	virtual BOOL GetCreationTime(FILETIME* pTimeStamp) const;
	virtual BOOL GetLastWriteTime(CTime& refTime) const;
	virtual BOOL GetLastAccessTime(CTime& refTime) const;
	virtual BOOL GetCreationTime(CTime& refTime) const;

	CGopherLocator GetLocator() const;
	CString GetScreenName() const;

	virtual DWORD GetLength() const;
#if defined(_X86_) || defined(_ALPHA_)
	virtual __int64 GetLength64() const;
#endif

protected:
	virtual void CloseContext();
	CGopherConnection* m_pConnection;
	DWORD m_dwContext;

// implementation
public:
	// Unsupported APIs
	CString GetFileName() const;
	CString GetFilePath() const;
	CString GetFileTitle() const;
	CString GetFileURL() const;
	CString GetRoot() const;

#ifdef _DEBUG
	virtual void Dump(CDumpContext& dc) const;
	virtual void AssertValid() const;
#endif
	DECLARE_DYNAMIC(CGopherFileFind)
};


///////////////////////////////////////////////////////////////////////
// CInternetException

class CInternetException : public CException
{
public:
// Constructor
	CInternetException(DWORD dwError);

// Attributes
	DWORD m_dwError;
	DWORD m_dwContext;

// Implementation
public:
	~CInternetException();
#ifdef _DEBUG
	virtual void Dump(CDumpContext& dc) const;
#endif
	virtual BOOL GetErrorMessage(LPTSTR lpstrError, UINT nMaxError,
		PUINT pnHelpContext = NULL);
	DECLARE_DYNAMIC(CInternetException)
};

/////////////////////////////////////////////////////////////////////////////
// Inline function declarations

#ifdef _AFX_ENABLE_INLINES
#define _AFXINET_INLINE AFX_INLINE
#include <afxinet.inl>
#endif

#undef AFX_DATA
#define AFX_DATA

#ifdef _AFX_MINREBUILD
#pragma component(minrebuild, on)
#endif
#ifndef _AFX_FULLTYPEINFO
#pragma component(mintypeinfo, off)
#endif

#endif // __AFXINET_H__