private void OnSocketRelayFinished(SocketRelay item)
{
lock (m_listSR)
{
if (m_listSR.Contains(item))
{
m_listSR.Remove(item);
}
}
}
private void AcceptCallback(IAsyncResult ar)
{
Socket sktActive = null;
try
{
var state = (Tuple <Socket, EventWaitHandle>)ar.AsyncState;
state.Item2.Set();
sktActive = state.Item1.EndAccept(ar);
}
catch (ObjectDisposedException)
{
// Accept has been cancelled.
return;
}
try
{
// 安全验证
//if (!m_confirm.Confirm(sktActive))
//{
// sktActive.Close();
// return;
//}
Socket sktPassive = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
sktPassive.Connect(m_epDest);
SocketRelay relay = new SocketRelay(sktActive, sktPassive);
relay.OnFinished += OnSocketRelayFinished;
relay.Run();
lock (m_listSR) m_listSR.Add(relay);
}
catch (SocketException ex)
{
string strbuf = String.Format("{0}({1})", ex.Message, ex.ErrorCode);
byte[] buf = Encoding.Default.GetBytes(strbuf);
sktActive.Send(buf);
sktActive.Shutdown(SocketShutdown.Both);
sktActive.Close();
}
}