//ThreadModel.h: interface for the CThreadModel class.
//功能描述:該類是線程池模型類該類不能定義任何數據，所以只能從該類派生新類。




#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


enum
{
	SUCCESS_THREAOOL=1,
	ERROR_THREAOOL,//其他錯誤
	ERROR_ENTRANCE_FALSE,//入口參數錯誤
	ERROR_THREAOOL_FULL,//線程達到最大數量	
};

enum//線程退出的一些返回碼
{
	SUCCESS_THREAD_RETURN,
	ERROR_THREAD_RETURN,
	ERROR_GLOBPOOL_NULL,
	ERROR_LPPARAM_NULL,
	ERROR_MULTIPLEEVENT_WAIT
};


const DWORD _THREADDEAD_TIMEOUT= 4*1000;// 4秒線程死亡超時

class CThreaoolModel  
{
private:
	
	void InitAll(void);
	
	void DeleteAll(void);
	//
	void InitCriticalSection(void);

	void DestroyCriticalSection(void);

	void inline TPSetLastError(int nErrorNo)
	{
		::EnterCriticalSection(&m_csErrorNo);
		m_nErrorNo=nErrorNo;
		::LeaveCriticalSection(&m_csErrorNo);
	};

public:

	CThreaoolModel();

	virtual ~CThreaoolModel();

	void SetCriThreadCount(int nCount);

	int inline GetCriThreadCount(void)
	{return (int)m_nCriThreadCount;};

	int GetMaxThreadCount(void)
	{return (int)m_nMaxThreadCount;};

	int inline GetCurAllThreadCount(void)
	{return (int)m_nCurAllThreadCount;};

protected:

	virtual CString ShowThreadInfo(void);

	BOOL CreateNewThread(AFX_THREAROC pfnThrearoc,LPVOID pParam,
			HANDLE &hNewThread,DWORD &dwThreadId);

	void inline SetMaxThreadCount(int nMaxThreadCount)
	{m_nMaxThreadCount=nMaxThreadCount;};

	int inline GetCurWorkThreadCount(void)
	{return (int)m_nCurWorkThreadCount;};
	void inline SetMainWnd(HWND hMainWnd)
	{m_hMainWnd=hMainWnd;};

	HWND inline GetMainWnd(void)
	{return m_hMainWnd;};
protected:

	void IncrementCurAllThreadCount(void);

	void DecrementCurAllThreadCount(void);

	void SetCurAllThreadCount(int nCount);


	void IncrementCurWorkThreadCount(void);

	void DecrementCurWorkThreadCount(void);

	void SetCurWorkThreadCount(int nCount);


	void IncrementCriThreadCount(void);

	void DecrementCriThreadCount(void);


	int inline TPGetLastError(void)
	{return (m_nErrorNo);};
private:

	int m_nErrorNo;//錯誤號碼

	CRITICAL_SECTION m_csErrorNo;

	LONG m_nMaxThreadCount;//允許線程最大數量

	LONG m_nCurAllThreadCount;//當前存在的線程數量

	LONG m_nCurWorkThreadCount;//當前工作的線程數量

	LONG m_nCriThreadCount;//臨界線程量

	HWND m_hMainWnd;//主窗口句柄
protected:

	HANDLE m_hAllDeadEvent;//死亡事件
};