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#ifndef _DEFAULT_SOCKET_HANDLER 
#define _DEFAULT_SOCKET_HANDLER 
 
#define DATA_BUFSIZE 8192 
 
enum _OVERLAPPED_FLAG 
{ 
	OVERLAPPED_RECV, 
	OVERLAPPED_SEND, 
} OVERLAPPED_FLAG; 
 
typedef struct tag_TCOMPLETIONPORT 
{ 
   OVERLAPPED		Overlapped; 
   WSABUF			DataBuf; 
   CHAR				Buffer[DATA_BUFSIZE]; 
   INT				nOvFlag; 
} _TCOMPLETIONPORT, * _LPTCOMPLETIONPORT; 
 
typedef struct tag_TOVERLAPPEDEX 
{ 
   CHAR				Buffer[DATA_BUFSIZE]; 
   WSABUF			DataBuf; 
   SOCKET			Socket; 
   WSAOVERLAPPED	Overlapped; 
   DWORD			BytesSEND; 
   DWORD			BytesRECV; 
   INT				nOvFlag; 
} _TOVERLAPPEDEX, * _LPTOVERLAPPEDEX; 
 
BOOL InitServerSocket(SOCKET &s, SOCKADDR_IN* addr, UINT nMsgID, int nPort, long lEvent = 2); 
BOOL ConnectToServer(SOCKET &s, SOCKADDR_IN* addr, UINT nMsgID, LPCTSTR lpServerIP, DWORD dwIP, int nPort, long lEvent); 
BOOL ClearSocket(SOCKET &s); 
 
BOOL CheckAvailableIOCP(); 
INT	 CreateIOCPWorkerThread(HANDLE hCP, LPDWORD lpdwThreadID, LPTHREAD_START_ROUTINE WorkerThreadFunc); 
 
BOOL InitThread(LPTHREAD_START_ROUTINE lpRoutine); 
 
BOOL CheckSocketError(LPARAM lParam); 
 
#endif