private static void WatchOutputStream()
{
while (!ThatProgramProcess.StandardOutput.EndOfStream)
{
OutputStringBuilder.AppendLine(ThatProgramProcess.StandardOutput.ReadLine());
//检测OLE
if (OutputStringBuilder.Length > OutputLimit)
{
//强制结束进程
try { ThatProgramProcess.Kill(); }
catch (Exception) { }
StatusCode = Const.StatusCodeOutputLimitExceeded;
break;
}
}
}
private static void WatchTimeAndMemory()
{
bool cpuIdleFlag = false;
long cpuIdleStartTime = 0;
long lastUsedTime = 0;
while (!ThatProgramProcess.HasExited)
{
try
{
UsedTime = Convert.ToInt64(ThatProgramProcess.TotalProcessorTime.TotalMilliseconds);
UsedMemory = Convert.ToInt64(ThatProgramProcess.PeakWorkingSet64);
//检测是否挂起
if (UsedTime != lastUsedTime)
{
cpuIdleFlag = false;
cpuIdleStartTime = 0;
lastUsedTime = UsedTime;
}
else
{
if (cpuIdleFlag == false)
{
cpuIdleFlag = true;
cpuIdleStartTime = DateTime.Now.Ticks;
}
if ((DateTime.Now.Ticks - cpuIdleStartTime) / 10 / 1000 / 1000 == 10)
{
//CPU空闲超过10秒,强制TLE
UsedTime = TimeLimit;
}
}
//检测TLE
if (UsedTime >= TimeLimit)
{
//强制结束进程
try { ThatProgramProcess.Kill(); }
catch (Exception) { }
StatusCode = Const.StatusCodeTimeLimitExceeded;
break;
}
//检测MLE
if (UsedMemory >= MemoryLimit)
{
//强制结束进程
try { ThatProgramProcess.Kill(); }
catch (Exception) { }
StatusCode = Const.StatusCodeMemoryLimitExceeded;
break;
}
}
catch (InvalidOperationException)
{
break;
}
}
}