#include "stdafx.h"
#include "WorkThread.h"
#include <windows.h>
#include "msgdef.h"
#include "ThreadPool.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

CWorkThread::CWorkThread()
{
	m_lpEvent = NULL;
	m_pThreadPool = NULL;
}

CWorkThread::~CWorkThread()
{
	m_lpEvent = NULL;
	m_pThreadPool = NULL;
}

/************************************************************************/
/*
函数:AddEvent
描述:添加事项
参数:
	IN CONST LPSEVENT lpEvent,				工作事项
	IN CONST CThreadPool* p					线程池
返回:
*/
/************************************************************************/
int CWorkThread::AddEventItem(IN CONST LPSEVENT lpEvent, IN CONST CThreadPool* p)
{
	if(lpEvent == NULL || p == NULL)
		return 0;
	m_lpEvent = lpEvent;
	m_lpEvent->nEventID = m_nThreadID;
	m_pThreadPool = (CThreadPool*)p;
	return 1;
}

/************************************************************************/
/*
函数:Run
描述:运行
参数:
返回:1成功，0失败
*/
/************************************************************************/
THREADSTATUS CWorkThread::Run()
{
	/*
	WaitForSingleObject(m_hWakeUpSignal, INFINITE);

	// 等待唤醒事件
	if(WaitForSingleObject(m_hExitEvent, 0) == WAIT_OBJECT_0)
	{
		m_ThreadStatus = THREADSTATUS_EXIT;
		return m_ThreadStatus;
	}
	*/
#ifdef _DEBUG
	CString strMsg = _T("");
	if(m_ThreadStatus == THREADSTATUS_EXIT)
		strMsg.Format(_T("ID = %d 退出\n"), m_nThreadID);
	else if(m_ThreadStatus == THREADSTATUS_RUNNING)
		strMsg.Format(_T("ID = %d 运行\n"), m_nThreadID);
	else if(m_ThreadStatus == THREADSTATUS_WAIT)
		strMsg.Format(_T("ID = %d 等待\n"), m_nThreadID);
	OutputDebugString(strMsg);
#endif //#define _DEBUG

	int nIndex = WaitForMultipleObjects(2, m_hEvent, FALSE, INFINITE);
	if(nIndex == (WAIT_OBJECT_0 + 1))
	{
		m_ThreadStatus = THREADSTATUS_END;
		return m_ThreadStatus;
	}

	// 执行事件
	m_ThreadStatus = THREADSTATUS_RUNNING;
	if(m_lpEvent != NULL)
	{
		m_lpEvent->eventHandle(m_lpEvent->nEventID, m_lpEvent->pMsg, m_lpEvent->pContext);
		m_lpEvent = NULL;
	}

	// 判断是否超出线程数
	m_ThreadStatus = THREADSTATUS_WAIT;
	if(m_pThreadPool != NULL)
	{
		int nRet = m_pThreadPool->IsDeleteThread(this);
		if(nRet != 0)
			return m_ThreadStatus;

		if(nRet == 1)
		{
			m_ThreadStatus = THREADSTATUS_EXIT;
			return m_ThreadStatus;
		}

		// 转为空闲
		m_pThreadPool->MoveToIdleList(this);
		m_pThreadPool = NULL;
	}
	return m_ThreadStatus;
}