NT4/public/sdk/inc/mfc40/afxsock.h
2020-09-30 17:12:29 +02:00

356 lines
9.6 KiB
C++

// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1995 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
#ifndef __AFXSOCK_H__
#define __AFXSOCK_H__
#ifdef _AFX_NO_SOCKET_SUPPORT
#error Windows Sockets classes not supported in this library variant.
#endif
#ifndef __AFXWIN_H__
#include <afxwin.h>
#endif
#ifndef _WINSOCKAPI_
#include <winsock.h>
#endif
#ifdef _AFX_MINREBUILD
#pragma component(minrebuild, off)
#endif
#ifndef _AFX_FULLTYPEINFO
#pragma component(mintypeinfo, on)
#endif
#ifndef _AFX_NOFORCE_LIBS
#ifndef _MAC
/////////////////////////////////////////////////////////////////////////////
// Win32 libraries
#ifdef _AFXDLL
#if defined(_DEBUG) && !defined(_AFX_MONOLITHIC)
#ifndef _UNICODE
#pragma comment(lib, "mfcn40d.lib")
#else
#pragma comment(lib, "mfcn40ud.lib")
#endif
#endif
#endif
#pragma comment(lib, "wsock32.lib")
#else //!_MAC
/////////////////////////////////////////////////////////////////////////////
// Mac libraries
#endif //_MAC
#endif //!_AFX_NOFORCE_LIBS
/////////////////////////////////////////////////////////////////////////////
#ifdef _AFX_PACKING
#pragma pack(push, _AFX_PACKING)
#endif
/////////////////////////////////////////////////////////////////////////////
// AFXSOCK - MFC support for Windows Sockets
// Classes declared in this file
// CObject
class CAsyncSocket; // Async Socket implementation and
// base class for Synchronous Socket
class CSocket; // Synchronous Socket
// CFile
class CSocketFile; // Used with CSocket and CArchive for
// streaming objects on sockets.
/////////////////////////////////////////////////////////////////////////////
// AFXDLL support
#undef AFX_DATA
#define AFX_DATA AFX_NET_DATA
/////////////////////////////////////////////////////////////////////////////
// CSocketWnd -- internal use only
// Implementation for sockets notification callbacks.
// Future versions of MFC may or may not include this exact class.
class CSocketWnd : public CWnd
{
// Construction
public:
CSocketWnd();
protected:
//{{AFX_MSG(CSocketWnd)
LRESULT OnSocketNotify(WPARAM wParam, LPARAM lParam);
LRESULT OnSocketDead(WPARAM wParam, LPARAM lParam);
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};
/////////////////////////////////////////////////////////////////////////////
// CAsyncSocket
class CAsyncSocket : public CObject
{
DECLARE_DYNAMIC(CAsyncSocket);
private:
CAsyncSocket(const CAsyncSocket& rSrc); // no implementation
void operator=(const CAsyncSocket& rSrc); // no implementation
// Construction
public:
CAsyncSocket();
BOOL Create(UINT nSocketPort = 0, int nSocketType=SOCK_STREAM,
long lEvent = FD_READ | FD_WRITE | FD_OOB | FD_ACCEPT | FD_CONNECT | FD_CLOSE,
LPCTSTR lpszSocketAddress = NULL);
// Attributes
public:
SOCKET m_hSocket;
operator SOCKET() const;
BOOL Attach(SOCKET hSocket, long lEvent =
FD_READ | FD_WRITE | FD_OOB | FD_ACCEPT | FD_CONNECT | FD_CLOSE);
SOCKET Detach();
BOOL GetPeerName(CString& rPeerAddress, UINT& rPeerPort);
BOOL GetPeerName(SOCKADDR* lpSockAddr, int* lpSockAddrLen);
BOOL GetSockName(CString& rSocketAddress, UINT& rSocketPort);
BOOL GetSockName(SOCKADDR* lpSockAddr, int* lpSockAddrLen);
BOOL SetSockOpt(int nOptionName, const void* lpOptionValue,
int nOptionLen, int nLevel = SOL_SOCKET);
BOOL GetSockOpt(int nOptionName, void* lpOptionValue,
int* lpOptionLen, int nLevel = SOL_SOCKET);
static CAsyncSocket* PASCAL FromHandle(SOCKET hSocket);
static int PASCAL GetLastError();
// Operations
public:
virtual BOOL Accept(CAsyncSocket& rConnectedSocket,
SOCKADDR* lpSockAddr = NULL, int* lpSockAddrLen = NULL);
BOOL Bind(UINT nSocketPort, LPCTSTR lpszSocketAddress = NULL);
BOOL Bind (const SOCKADDR* lpSockAddr, int nSockAddrLen);
virtual void Close();
BOOL Connect(LPCTSTR lpszHostAddress, UINT nHostPort);
BOOL Connect(const SOCKADDR* lpSockAddr, int nSockAddrLen);
BOOL IOCtl(long lCommand, DWORD* lpArgument);
BOOL Listen(int nConnectionBacklog=5);
virtual int Receive(void* lpBuf, int nBufLen, int nFlags = 0);
int ReceiveFrom(void* lpBuf, int nBufLen,
CString& rSocketAddress, UINT& rSocketPort, int nFlags = 0);
int ReceiveFrom(void* lpBuf, int nBufLen,
SOCKADDR* lpSockAddr, int* lpSockAddrLen, int nFlags = 0);
enum { receives = 0, sends = 1, both = 2 };
BOOL ShutDown(int nHow = sends);
virtual int Send(const void* lpBuf, int nBufLen, int nFlags = 0);
int SendTo(const void* lpBuf, int nBufLen,
UINT nHostPort, LPCTSTR lpszHostAddress = NULL, int nFlags = 0);
int SendTo(const void* lpBuf, int nBufLen,
const SOCKADDR* lpSockAddr, int nSockAddrLen, int nFlags = 0);
BOOL AsyncSelect(long lEvent =
FD_READ | FD_WRITE | FD_OOB | FD_ACCEPT | FD_CONNECT | FD_CLOSE);
// Overridable callbacks
protected:
virtual void OnReceive(int nErrorCode);
virtual void OnSend(int nErrorCode);
virtual void OnOutOfBandData(int nErrorCode);
virtual void OnAccept(int nErrorCode);
virtual void OnConnect(int nErrorCode);
virtual void OnClose(int nErrorCode);
// Implementation
public:
virtual ~CAsyncSocket();
static CAsyncSocket* PASCAL LookupHandle(SOCKET hSocket, BOOL bDead = FALSE);
static void PASCAL AttachHandle(SOCKET hSocket, CAsyncSocket* pSocket, BOOL bDead = FALSE);
static void PASCAL DetachHandle(SOCKET hSocket, BOOL bDead = FALSE);
static void PASCAL KillSocket(SOCKET hSocket, CAsyncSocket* pSocket);
static void PASCAL DoCallBack(WPARAM wParam, LPARAM lParam);
BOOL Socket(int nSocketType=SOCK_STREAM, long lEvent =
FD_READ | FD_WRITE | FD_OOB | FD_ACCEPT | FD_CONNECT | FD_CLOSE,
int nProtocolType = 0, int nAddressFormat = PF_INET);
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
protected:
friend class CSocketWnd;
virtual BOOL ConnectHelper(const SOCKADDR* lpSockAddr, int nSockAddrLen);
virtual int ReceiveFromHelper(void* lpBuf, int nBufLen,
SOCKADDR* lpSockAddr, int* lpSockAddrLen, int nFlags);
virtual int SendToHelper(const void* lpBuf, int nBufLen,
const SOCKADDR* lpSockAddr, int nSockAddrLen, int nFlags);
};
/////////////////////////////////////////////////////////////////////////////
// CSocket
class CSocket : public CAsyncSocket
{
DECLARE_DYNAMIC(CSocket);
private:
CSocket(const CSocket& rSrc); // no implementation
void operator=(const CSocket& rSrc); // no implementation
// Construction
public:
CSocket();
BOOL Create(UINT nSocketPort = 0, int nSocketType=SOCK_STREAM,
LPCTSTR lpszSocketAddress = NULL);
// Attributes
public:
BOOL IsBlocking();
static CSocket* PASCAL FromHandle(SOCKET hSocket);
BOOL Attach(SOCKET hSocket);
// Operations
public:
void CancelBlockingCall();
// Overridable callbacks
protected:
virtual BOOL OnMessagePending();
// Implementation
public:
int m_nTimeOut;
virtual ~CSocket();
static int PASCAL ProcessAuxQueue();
virtual BOOL Accept(CAsyncSocket& rConnectedSocket,
SOCKADDR* lpSockAddr = NULL, int* lpSockAddrLen = NULL);
virtual void Close();
virtual int Receive(void* lpBuf, int nBufLen, int nFlags = 0);
virtual int Send(const void* lpBuf, int nBufLen, int nFlags = 0);
int SendChunk(const void* lpBuf, int nBufLen, int nFlags);
protected:
BOOL* m_pbBlocking;
int m_nConnectError;
virtual BOOL ConnectHelper(const SOCKADDR* lpSockAddr, int nSockAddrLen);
virtual int ReceiveFromHelper(void* lpBuf, int nBufLen,
SOCKADDR* lpSockAddr, int* lpSockAddrLen, int nFlags);
virtual int SendToHelper(const void* lpBuf, int nBufLen,
const SOCKADDR* lpSockAddr, int nSockAddrLen, int nFlags);
static void PASCAL AuxQueueAdd(UINT message, WPARAM wParam, LPARAM lParam);
virtual BOOL PumpMessages(UINT uStopFlag);
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
};
/////////////////////////////////////////////////////////////////////////////
// CSocketFile
class CSocketFile : public CFile
{
DECLARE_DYNAMIC(CSocketFile)
public:
//Constructors
CSocketFile(CSocket* pSocket, BOOL bArchiveCompatible = TRUE);
// Implementation
public:
CSocket* m_pSocket;
BOOL m_bArchiveCompatible;
virtual ~CSocketFile();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
virtual UINT Read(void* lpBuf, UINT nCount);
virtual void Write(const void* lpBuf, UINT nCount);
virtual void Close();
// Unsupported APIs
virtual BOOL Open(LPCTSTR lpszFileName, UINT nOpenFlags, CFileException* pError = NULL);
virtual CFile* Duplicate() const;
virtual DWORD GetPosition() const;
virtual LONG Seek(LONG lOff, UINT nFrom);
virtual void SetLength(DWORD dwNewLen);
virtual DWORD GetLength() const;
virtual void LockRange(DWORD dwPos, DWORD dwCount);
virtual void UnlockRange(DWORD dwPos, DWORD dwCount);
virtual void Flush();
virtual void Abort();
};
/////////////////////////////////////////////////////////////////////////////
// Global functions
BOOL AFXAPI AfxSocketInit(WSADATA* lpwsaData = NULL);
void AFXAPI AfxSocketTerm();
/////////////////////////////////////////////////////////////////////////////
// Inline function declarations
#ifdef _AFX_PACKING
#pragma pack(pop)
#endif
#ifdef _AFX_ENABLE_INLINES
#define _AFXSOCK_INLINE inline
#include <afxsock.inl>
#undef _AFXSOCK_INLINE
#endif
#undef AFX_DATA
#define AFX_DATA
#ifdef _AFX_MINREBUILD
#pragma component(minrebuild, on)
#endif
#ifndef _AFX_FULLTYPEINFO
#pragma component(mintypeinfo, off)
#endif
#endif // __AFXSOCK_H__
/////////////////////////////////////////////////////////////////////////////