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// ThreadedSocket.h: interface for the CThreadedSocket class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_THREADEDSOCKET_H__DC45EFD8_343F_11D3_8A15_00A0245B298A__INCLUDED_)
#define AFX_THREADEDSOCKET_H__DC45EFD8_343F_11D3_8A15_00A0245B298A__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <winsock2.h>
class CThreadedSocketException //: public CException
{
// DECLARE_DYNAMIC(CThreadedSocketException)
public:
// Constructor
CThreadedSocketException(char* pchMessage);
public:
~CThreadedSocketException() {}
virtual bool GetErrorMessage(string& lpstrError, unsigned int nMaxError,
unsigned int * pnHelpContext = 0);
int GetError() { return m_nError; };
private:
int m_nError;
char * m_strMessage;
};
class CThreadedSocket //: public CObject
{
// DECLARE_DYNAMIC(CThreadedSocket);
// typedef unsigned int SOCKET;
// typedef struct sockaddr SOCKADDR;
public:
CThreadedSocket();
virtual ~CThreadedSocket();
// Construction
public:
void Create(unsigned int nSocketPort = 0, int nSocketType=SOCK_STREAM,
long lEvent = FD_READ | FD_WRITE | FD_OOB | FD_ACCEPT | FD_CONNECT | FD_CLOSE,
const char * lpszSocketAddress = 0);
// Attributes
public:
SOCKET m_hSocket;
operator SOCKET() const;
void GetPeerName(string & rPeerAddress, unsigned int& rPeerPort);
void GetSockName(string & rSocketAddress, unsigned int& rSocketPort);
// Operations
public:
void 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);
virtual void Accept(CThreadedSocket& rConnectedSocket,
SOCKADDR* lpSockAddr = NULL, int* lpSockAddrLen = NULL);
void Bind(unsigned int nSocketPort, const char * lpszSocketAddress = 0);
virtual void Close();
bool Connect(const char * lpszHostAddress, unsigned int nHostPort);
bool Connect(const SOCKADDR* lpSockAddr, int nSockAddrLen);
virtual int Receive(void* lpBuf, int nBufLen, int nFlags = 0);
int ReceiveFrom(void* lpBuf, int nBufLen,
string & rSocketAddress, unsigned int & rSocketPort, int nFlags = 0);
enum { receives = 0, sends = 1, both = 2 };
virtual void Send(const void* lpBuf, int nBufLen, int nFlags = 0);
void SendTo(const void* lpBuf, int nBufLen,
unsigned int nHostPort, const char * lpszHostAddress = 0, int nFlags = 0);
void AsyncSelect(long lEvent =
FD_READ | FD_WRITE | FD_OOB | FD_ACCEPT | FD_CONNECT | FD_CLOSE);
inline CThreadedSocket::operator SOCKET() const
{ return m_hSocket; }
inline void GetPeerName(SOCKADDR* lpSockAddr, int* lpSockAddrLen)
{
if ( getpeername(m_hSocket, lpSockAddr, lpSockAddrLen) == SOCKET_ERROR)
throw( new CThreadedSocketException( "getpeername" ) );
}
inline void GetSockName(SOCKADDR* lpSockAddr, int* lpSockAddrLen)
{ if ( getsockname(m_hSocket, lpSockAddr, lpSockAddrLen)== SOCKET_ERROR)
throw( new CThreadedSocketException( "getsockname" ) );
}
inline void SetSockOpt(int nOptionName, const void* lpOptionValue, int nOptionLen, int nLevel = SOL_SOCKET)
{
if ( setsockopt(m_hSocket, nLevel, nOptionName, (LPCSTR)lpOptionValue, nOptionLen)== SOCKET_ERROR)
throw( new CThreadedSocketException( "setsockopt" ) );
}
inline void GetSockOpt(int nOptionName, void* lpOptionValue, int* lpOptionLen, int nLevel = SOL_SOCKET)
{
if ( getsockopt(m_hSocket, nLevel, nOptionName, (LPSTR)lpOptionValue, lpOptionLen)== SOCKET_ERROR)
throw( new CThreadedSocketException( "getsockopt" ) );
}
static inline int CThreadedSocket::GetLastError()
{ return WSAGetLastError(); }
inline void Bind(const SOCKADDR* lpSockAddr, int nSockAddrLen)
{
if ( bind(m_hSocket, lpSockAddr, nSockAddrLen)== SOCKET_ERROR )
throw( new CThreadedSocketException( "bind" ));
}
inline void IOCtl(long lCommand, unsigned long* lpArgument)
{ if ( ioctlsocket(m_hSocket, lCommand, lpArgument)== SOCKET_ERROR)
throw( new CThreadedSocketException( "bind" ) );
}
inline void Listen(int nConnectionBacklog=5)
{
if ( listen(m_hSocket, nConnectionBacklog)== SOCKET_ERROR)
throw( new CThreadedSocketException( "listen" ) );
}
inline int ReceiveFrom(void* lpBuf, int nBufLen, SOCKADDR* lpSockAddr, int* lpSockAddrLen, int nFlags = 0)
{
int lg = recvfrom(m_hSocket, (LPSTR)lpBuf, nBufLen, nFlags, lpSockAddr, lpSockAddrLen);
if ( lg == SOCKET_ERROR )
throw( new CThreadedSocketException( "recvfrom" ) );
return lg;
}
inline bool ShutDown(int nHow = sends)
{
if ( shutdown(m_hSocket,nHow) == SOCKET_ERROR )
throw( new CThreadedSocketException( "shutdown" ) );
}
inline void SendTo(const void* lpBuf, int nBufLen, const SOCKADDR* lpSockAddr, int nSockAddrLen, int nFlags = 0)
{
if ( sendto(m_hSocket, (LPSTR)lpBuf, nBufLen, nFlags, lpSockAddr, nSockAddrLen)== SOCKET_ERROR )
throw( new CThreadedSocketException( "sendto" ) );
}
// Overridable callbacks
protected:
virtual void OnWakeup();
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
void StartListener(long lEvent);
long m_EventMask;
unsigned long thread_id;
HANDLE h_thread;
WSAEVENT m_hEvent[2]; // socket event for receive and send actions
unsigned int SocketThread(); //Client Thread
// wrapper for thread routine
static DWORD WINAPI SocketThreadProc( void * pParam );
static void Init();
static bool Initialized;
};
#endif // !defined(AFX_THREADEDSOCKET_H__DC45EFD8_343F_11D3_8A15_00A0245B298A__INCLUDED_)
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