// blocksock.h
typedef const struct sockaddr* LPCSOCKADDR;

//CSockAddress和CMyBlockSocketException輔助類
//CMyBlockSocketException異常類
//所有CMyBlockSocket函數(shù)在WinSock返回錯誤時都會陷入異常，產(chǎn)生一個CMyBlockException對象
//CMyBlockException類從MFC的CException類派生，并重載了GetErrorMessage()函數(shù)，它給出了
//WinSock錯誤號和陷入異常時CMyBlockSocket提供的字符串

class CMyBlockSocketException : public CException
{
	DECLARE_DYNAMIC(CMyBlockSocketException)
public:
// 構(gòu)造函數(shù)
	CMyBlockSocketException(char* pchMessage);

public:
	~CMyBlockSocketException() {}
	virtual BOOL GetErrorMessage(LPTSTR lpstrError, UINT nMaxError,
		PUINT pnHelpContext = NULL);
private:
	int m_nError;
	CString m_strMessage;
};



/*//zj add
//自定義套接字類，支持阻塞模式處理
class CMyBlockSocket : public CObject
{
	DECLARE_DYNAMIC(CMyBlockSocket)
public:
	SOCKET m_hSocket;
	CMyBlockSocket() { m_hSocket = NULL; }
	void Cleanup();
	void Create(int nType = SOCK_STREAM);
	void Close();
	void Bind(LPCSOCKADDR psa);
	void Listen();
	void Connect(LPCSOCKADDR psa);
	BOOL Accept(CMyBlockSocket& s, LPSOCKADDR psa);
	int Send(const char* pch, const int nSize, const int nSecs);
	int Write(const char* pch, const int nSize, const int nSecs);
	int Receive(char* pch, const int nSize, const int nSecs);
	int SendDatagram(const char* pch, const int nSize, LPCSOCKADDR psa, 
		const int nSecs);
	int ReceiveDatagram(char* pch, const int nSize, LPSOCKADDR psa, 
		const int nSecs);
	void GetPeerAddr(LPSOCKADDR psa);
	void GetSockAddr(LPSOCKADDR psa);
	//static CSocketAddress GetHostByName(const char* pchName, 
		//const USHORT ushPort = 0);
	static const char* GetHostByAddr(LPCSOCKADDR psa);
	operator SOCKET()
		{ return m_hSocket; }
};


//zj add
//CMyHttpBlockSocket繼承CMyBlockSocket，加入緩沖區(qū)機制，對數(shù)據(jù)進行處理
class CMyHttpBlockSocket : public CMyBlockSocket
{
public:
	DECLARE_DYNAMIC(CMyHttpBlockSocket)
	enum {nSizeRecv = 1000}; //最大接收緩沖區(qū)的大小(>HTTP頭信息的長度)
	CMyHttpBlockSocket();
	~CMyHttpBlockSocket();
	int ReadHttpHeaderLine(char* pch, const int nSize, const int nSecs);
	int ReadHttpResponse(char* pch, const int nSize, const int nSecs);
private:
	char* m_pReadBuf; // 讀取緩沖區(qū)
	int m_nReadBuf; // 讀取緩沖區(qū)中的字節(jié)數(shù)
};*/