/**
 撈亥飄 包訪 扁瓷闌 力傍竅綽 努貳膠甫 瀝狼竊
*/

#include "UtilityCommon.h"
#include "Event.h"

namespace util
{

static HANDLE Create(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset, BOOL bInitialState, LPCTSTR lpName); // 橇肺配 鷗澇 急攫(瀝利 竊薦肺 按眉 急攫絕撈 葷儈 啊瓷竊)

CEvent::CEvent(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset, BOOL bInitialState)
{
	m_hEvent = Create(lpEventAttributes, bManualReset, bInitialState, NULL);
}

CEvent::CEvent(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset, BOOL bInitialState, const _tstring& name)
{
	m_hEvent = Create(lpEventAttributes, bManualReset, bInitialState, name.c_str());
}

void CEvent::Wait() const
{ // 撈亥飄甫 扁促覆
	if(!Wait(INFINITE)) {
	}
}

BOOL CEvent::Wait(DWORD timeoutMillis) const
{ // 撈亥飄甫 瘤瀝等 矯埃父怒 扁促覆
   BOOL ok;

   DWORD result = ::WaitForSingleObject(m_hEvent, timeoutMillis);

   if(result == WAIT_TIMEOUT) ok = false;
   else if(result == WAIT_OBJECT_0) ok = true;
   else {
	  return false;
   }
   
   return ok;
}

void CEvent::Reset(){ // 撈亥飄甫 厚勸己拳 竊
	if(!::ResetEvent(m_hEvent)){
		return;
	};
}

void CEvent::Set()
{ // 撈亥飄甫 勸己拳 竊
	if(!::SetEvent(m_hEvent)){
		return;
	}
}

void CEvent::Pulse()
{
	if(!::PulseEvent(m_hEvent)){
		return;
	};
}

CEvent::~CEvent(void)
{
}

HANDLE CEvent::GetEvent() const
{
	return m_hEvent;
}

static HANDLE Create(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset, BOOL bInitialState, LPCTSTR lpName)
{
   HANDLE hEvent = ::CreateEvent(lpEventAttributes, bManualReset, bInitialState, lpName);

   if(hEvent == NULL){
	  return NULL;
   }

   return hEvent;
}

}//End of namespace : util