private void Run()
{
//...建立接收的位置, 所有
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
//...返回對方的位置
EndPoint remoteEP = (EndPoint)(sender);
try
{
while (true)
{
_allDone.Reset();
UDPServerStateObject stateObject = new UDPServerStateObject();
stateObject.workSocket = _socket;
stateObject.receiveBuffer = new byte[_receiveBuffer];
_socket.BeginReceiveFrom(stateObject.receiveBuffer, 0, _receiveBuffer, 0, ref remoteEP, new AsyncCallback(ReceiveFromCallback), stateObject);
_allDone.WaitOne();
}
}
catch (Exception ex)
{
_allDone.Set();
KConsole.Write(ErrorLevel.Serious, "Kernel>>AsynUDPServer>>Run", ex.Message);
}
}
private void ReceiveFromCallback(IAsyncResult ar)
{
try
{
UDPServerStateObject so = (UDPServerStateObject)ar.AsyncState;
Socket socket = so.workSocket;
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
EndPoint tempRemoteEP = (EndPoint)sender;
int receivedDataLength = socket.EndReceiveFrom(ar, ref tempRemoteEP);
so.tempRemoteEP = tempRemoteEP;
ReceiveEvent(so);//...交由外部處理
}
catch (Exception ex)
{
KConsole.Write(ErrorLevel.Serious, "Kernel>>AsynUDPServer>>ReceiveFromCallback", ex.Message);
}
finally
{
_allDone.Set();
}
}