private void CheckTimeout()
{
DateTime dt = DateTime.Now;
List <SYNScanTaskInfo> lst_remove = new List <SYNScanTaskInfo>();
while (true)
{
Thread.Sleep(1000);
lst_remove.Clear();
dt = DateTime.Now;
bool bDisposed = base._IsDisposed;
lock (m_dic_task_running) {
foreach (var v in m_dic_task_running)
{
if (!v.Value.IsStarted)
{
continue;
}
if (dt.Subtract(v.Value.StartTime).TotalMilliseconds > v.Value.TotalTimeout || bDisposed)
{
lst_remove.Add(v.Value);
continue;
}
if (dt.Subtract(v.Value.LastTime).TotalMilliseconds > v.Value.Timeout)
{
if (v.Value.RunedRetry++ < v.Value.Retry)
{
RawSocket.SendData(v.Value.SYNPacket, 0, v.Value.SYNPacket.Length);// this.SendData(v.Value);
v.Value.LastTime = DateTime.Now;
}
else
{
lst_remove.Add(v.Value);
}
}
}
foreach (var v in lst_remove)
{
this.EndTask(v);
}
}
if (bDisposed)
{
break;
}
}
}
//private SocketAsyncEventArgs PopSAE() {
// lock (m_obj_sync) {
// if (m_que_sae.Count != 0) return m_que_sae.Dequeue();
// }
// SocketAsyncEventArgs sae = new SocketAsyncEventArgs();
// sae.Completed += new EventHandler<SocketAsyncEventArgs>(IO_Completed);
// sae.SetBuffer(new byte[40], 0, 40);
// return sae;
//}
//private void PushSAE(SocketAsyncEventArgs sae) {
// lock (m_obj_sync) {
// if (base._IsDisposed) return;
// m_que_sae.Enqueue(sae);
// }
//}
protected override uint OnScan(int nPort, EndPoint endPoint, int nProbes, int nTimeout, int nRetry, int nTotalTimeout, bool bUseNullProbe)
{
lock (m_obj_sync) {
if (base._IsDisposed)
{
throw new ObjectDisposedException("SYNScanner", "The scanner was disposed");
}
}
m_se.WaitOne();
SYNScanTaskInfo ti = this.CreateTaskInfo(nPort, endPoint, nProbes, nTimeout, nRetry, nTotalTimeout, bUseNullProbe);
lock (m_dic_task_running) {
m_dic_task_running.Add(ti.TaskID, ti);
}
//this.SendData(ti);
RawSocket.SendData(ti.SYNPacket, 0, ti.SYNPacket.Length);
ti.StartTime = ti.LastTime = DateTime.Now;
ti.IsStarted = true;
return(ti.TaskID);
}
