private void ProcessRequest(object state)
{
Console.WriteLine("Получен запрос");
SntpMessageEventArgs args = (SntpMessageEventArgs)state;
if (args.RequestMessage != null)
{
switch (args.RequestMessage.Mode)
{
case Mode.Client:
args.ResponseMessage = args.RequestMessage;
args.ResponseMessage.Mode = Mode.Server;
args.ResponseMessage.ReceiveDateTime = DateTime.Now;
args.ResponseMessage.TransmitDateTime = DateTime.Now;
args.ResponseMessage.Stratum = Stratum.Secondary;
args.ResponseMessage.ReferenceIdentifier = ReferenceIdentifier.LOCL;
this.SendReply(args);
break;
case Mode.Broadcast:
case Mode.Reserved:
case Mode.ReservedNTPControl:
case Mode.ReservedPrivate:
case Mode.Server:
case Mode.SymmetricActive:
case Mode.SymmetricPassive:
break;
default:
logger.Info("UNKNOWN message mode received and ignored");
break;
}
}
}
private void SendReply(SntpMessageEventArgs args)
{
try {
args.Channel.SendTo(args.ResponseMessage.ToArray(), args.Channel.RemoteEndpoint);
logger.Debug("PACKET with channel id " +
args.Channel.ChannelId.ToString() +
" successfully sent to client endpoint " +
args.Channel.RemoteEndpoint.ToString());
logger.Debug(args.ResponseMessage.ToString());
OnSntpMessageSent(this, args);
}
catch (Exception ex) {
logger.Error(ex, "Error Message");
}
}
private void OnClientConnect(object sender, ClientConnectedEventArgs args)
{
SocketBuffer channelBuffer = args.ChannelBuffer;
if (channelBuffer != null &&
args.Channel.IsConnected &&
channelBuffer.BytesTransferred >= Constants.SNTP_MIN_MESSAGE_SIZE &&
channelBuffer.BytesTransferred <= Constants.SNTP_MAX_MESSAGE_SIZE)
{
logger.Debug("PACKET request with channel id " +
args.Channel.ChannelId.ToString() +
" was received from " +
args.Channel.RemoteEndpoint.ToString() +
" and queued for processing...");
SntpMessageEventArgs messageArgs = new SntpMessageEventArgs(args.Channel, args.ChannelBuffer);
OnSntpMessageReceived(this, messageArgs);
ThreadPool.QueueUserWorkItem(new WaitCallback(ProcessRequest), messageArgs);
}
}
