private DateTime GetTimeFromServer()
{
using (var socket = _adapter.OpenSocket(_host, 123, false))
{
socket.DataReceived += OnDataReceived;
Array.Clear(_packet, 0, _packet.Length);
_packet[0] = 0xe3; // LI, Version and Mode
_packet[1] = 0; // Stratum or type of clock
_packet[2] = 6; // Polling interval
_packet[3] = 0xEC; // Peer clock precision
// Leave eight bytes of zeros for root delay and root dispersion
_packet[12] = 49;
_packet[13] = 0x4E;
_packet[14] = 49;
_packet[15] = 52;
socket.Send(_packet);
#if DEBUG
_responseReceived.WaitOne();
#else
// wait for a response
if (!_responseReceived.WaitOne(5000, false))
{
throw new Exception("No SNTP respose received");
}
#endif
}
var result = _lastTimeRetrieved;
_lastTimeRetrieved = DateTime.MinValue;
return(result);
}
private ISocket GetSocket(string host, int port)
{
var socket = _adapter.OpenSocket(host, port, true);
socket.SocketClosed += SocketOnSocketClosed;
socket.DataReceived += SocketOnDataReceived;
return(socket);
}
