/// <summary> /// Request time from NTP server and calls callback (if success) /// </summary> /// <param name="ntpServerAddress">NTP Server address</param> /// <param name="port">port</param> /// <param name="onRequestComplete">callback (called from other thread!)</param> public static void RequestTimeFromNTP(string ntpServerAddress, int port, Action <DateTime?> onRequestComplete) { NetSocket socket = null; var ntpEndPoint = MakeEndPoint(ntpServerAddress, port); NetManager.OnMessageReceived onReceive = (data, length, code, point) => { if (!point.Equals(ntpEndPoint) || length < 48) { return; } socket.Close(); ulong intPart = (ulong)data[40] << 24 | (ulong)data[41] << 16 | (ulong)data[42] << 8 | (ulong)data[43]; ulong fractPart = (ulong)data[44] << 24 | (ulong)data[45] << 16 | (ulong)data[46] << 8 | (ulong)data[47]; var milliseconds = (intPart * 1000) + ((fractPart * 1000) / 0x100000000L); onRequestComplete(new DateTime(1900, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddMilliseconds((long)milliseconds)); }; //Create and start socket socket = new NetSocket(onReceive); socket.Bind(IPAddress.Any, IPAddress.IPv6Any, 0, false); //Send request int errorCode = 0; var sendData = new byte[48]; sendData[0] = 0x1B; var sendCount = socket.SendTo(sendData, 0, sendData.Length, ntpEndPoint, ref errorCode); if (errorCode != 0 || sendCount != sendData.Length) { onRequestComplete(null); } }
/// <summary> /// Start logic thread and listening on selected port /// </summary> /// <param name="addressIPv4">bind to specific ipv4 address</param> /// <param name="addressIPv6">bind to specific ipv6 address</param> /// <param name="port">port to listen</param> public bool Start(IPAddress addressIPv4, IPAddress addressIPv6, int port) { if (IsRunning) { return(false); } netEventsQueue.Clear(); if (!socket.Bind(addressIPv4, addressIPv6, port, ReuseAddress)) { return(false); } IsRunning = true; logicThread = new Thread(UpdateLogic) { Name = "LogicThread", IsBackground = true }; logicThread.Start(); return(true); }