public static void Main()
{
byte[] data = new byte[1024];
string input, stringData;
UdpClient server = new UdpClient("127.0.0.1", 9877);
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 9876);
string welcome = "Hello, are you there?";
data = Encoding.ASCII.GetBytes(welcome);
server.Send(data, data.Length);
data = server.Receive(ref sender);
Console.WriteLine("Message received from {0}:", sender.ToString());
stringData = Encoding.ASCII.GetString(data, 0, data.Length);
Console.WriteLine(stringData);
while(true){
input = Console.ReadLine();
if (input == "exit")
break;
server.Send(Encoding.ASCII.GetBytes(input), input.Length);
data = server.Receive(ref sender);
}
Console.WriteLine("Stopping client");
server.Close();
}
public static void Main()
{
byte[] data = new byte[1024];
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, 9876);
UdpClient newsock = new UdpClient(ipep);
Console.WriteLine("Waiting for a client...");
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 9877);
data = newsock.Receive(ref sender);
Console.WriteLine("Message received from {0}:", sender.ToString());
Console.WriteLine(Encoding.ASCII.GetString(data, 0, data.Length));
string msg = Encoding.ASCII.GetString(data, 0, data.Length);
data = Encoding.ASCII.GetBytes(msg);
newsock.Send(data, data.Length, sender);
while(true){
data = newsock.Receive(ref sender);
Console.WriteLine(Encoding.ASCII.GetString(data, 0, data.Length));
newsock.Send(data, data.Length, sender);
}
}
IEnumerator StartBroadcast()
{
// multicast send setup
udp_client = new UdpClient ();
udp_client.JoinMulticastGroup (group_address);
IPEndPoint remote_end = new IPEndPoint (group_address, startup_port);
// sends multicast
while (true)
{
byte[] buffer = Encoding.ASCII.GetBytes ("GameServer");
udp_client.Send (buffer, buffer.Length, remote_end);
yield return new WaitForSeconds (1);
}
}
private void exportData(ref UdpClient client, ref IPEndPoint anyIP)
{
byte[] data;
string text;
text = "SOT"; // start of table
text = text + System.Environment.NewLine;
data = System.Text.Encoding.ASCII.GetBytes(text);
client.Send(data, data.Length, anyIP);
foreach (var ptr in timeGraphScript.dateTime_val_dic) {
text = ptr.Key.ToString("yyyy/MM/dd HH:mm:ss");
text = text + ",";
text = text + ptr.Value.ToString();
text = text + System.Environment.NewLine;
data = System.Text.Encoding.ASCII.GetBytes(text);
client.Send(data, data.Length, anyIP);
}
text = "EOT"; // end of table
text = text + System.Environment.NewLine;
data = System.Text.Encoding.ASCII.GetBytes(text);
client.Send(data, data.Length, anyIP);
}
public static void Main()
{
byte[] data = new byte[1024];
string input, stringData;
UdpClient udpClient = new UdpClient("127.0.0.1", 9999);
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
string welcome = "Hello";
data = Encoding.ASCII.GetBytes(welcome);
udpClient.Send(data, data.Length);
data = udpClient.Receive(ref sender);
Console.WriteLine("Message received from {0}:", sender.ToString());
stringData = Encoding.ASCII.GetString(data, 0, data.Length);
Console.WriteLine(stringData);
while(true)
{
input = Console.ReadLine();
udpClient.Send(Encoding.ASCII.GetBytes(input), input.Length);
data = udpClient.Receive(ref sender);
stringData = Encoding.ASCII.GetString(data, 0, data.Length);
Console.WriteLine(stringData);
}
udpClient.Close();
}
private void Send()
{
while (_send)
{
var bytes = _ka52.GetBytes();
var bytesSvvo = GetByte();
_sendClient?.Send(bytes, bytes.Length, "127.0.0.1", 20020);
_sendClient?.Send(bytesSvvo, bytesSvvo.Length, "127.0.0.1", 6100);
Thread.Sleep(20);
}
}
private void OnMediaOpened(object sender, EventArgs e)
{
var send = "duration:";
if (sender is MediaElement player1)
{
send += player1.NaturalDuration.TimeSpan.TotalSeconds;
}
else if (sender is Unosquare.FFME.MediaElement player2)
{
send += player2.NaturalDuration?.TotalSeconds;
//Debug.WriteLine("video size:{0},{1}", player2.NaturalVideoWidth, player2.NaturalVideoHeight);
}
udpClient?.Send(send, IPAddress.Broadcast.ToString(), 10241);
}
void procComm()
{
port = getPort();
string ipadr = getIpadr ();
client = new UdpClient ();
// send
string sendstr = IFmsg.text + System.Environment.NewLine;
byte[] data = ASCIIEncoding.ASCII.GetBytes (sendstr);
client.Send (data, data.Length, ipadr, port);
// receive
client.Client.ReceiveTimeout = 2000; // msec
IPEndPoint remoteIP = new IPEndPoint(IPAddress.Any, 0);
lastRcvd = "";
try {
data = client.Receive (ref remoteIP);
if (data.Length > 0) {
string text = Encoding.ASCII.GetString (data);
lastRcvd = text;
}
} catch (Exception err) {
}
client.Close ();
}
private void UdpSendData(byte[] datas, int length)
{
if (_currentEndPoint != null)
{
_udpClient?.Send(datas, length, _currentEndPoint);
}
}
public static void WakeUp(byte[] mac, string ip = "255.255.255.255", int port = 9)
{
using (var client = new UdpClient {EnableBroadcast = true})
{
client.Send(CreateMagickPacket(mac), MagickPacketSize, ip, port);
}
}
private static void SendMes(string datagram)
{
// Создаем UdpClient
UdpClient sender = new UdpClient();
// Создаем endPoint по информации об удаленном хосте
IPEndPoint endPoint = new IPEndPoint(remoteIPAddress, remotePort);
try
{
// Преобразуем данные в массив байтов
byte[] bytes = Encoding.UTF8.GetBytes(datagram);
// Отправляем данные
sender.Send(bytes, bytes.Length, endPoint);
}
catch (Exception ex)
{
Console.WriteLine("Возникло исключение: " + ex.ToString() + "\n " + ex.Message);
}
finally
{
// Закрыть соединение
sender.Close();
}
}
static void Main()
{
//データを送信するリモートホストとポート番号
string remoteHost = "127.0.0.1";
IPAddress remoteAddress = IPAddress.Parse(remoteHost);
int remotePort = 2002;
UdpClient udpClient = new UdpClient();
if (null != udpClient)
{
//ビルドのクエリを投げる
string sendMsg = "test";
byte[] buff = Encoding.UTF8.GetBytes(sendMsg);
udpClient?.Send(buff, buff.Length, remoteHost, remotePort);
//戻り値取得
IPEndPoint remoteEP = null;
buff = udpClient?.Receive(ref remoteEP);
string rcvMsg = Encoding.UTF8.GetString(buff);
int rtv = int.Parse(rcvMsg);
Console.WriteLine(rtv);
//UdpClientを閉じる
udpClient?.Close();
}
Console.ReadLine();
}
public static void Main()
{
string addr = "127.0.0.1";
int port = 7980;
short cmd = 1;
short seq = 0;
string msg = "Hello";
byte[] payload = Encoding.ASCII.GetBytes(msg);
byte[] packet = Packet.Create(cmd, seq, payload);
UdpClient udp = new UdpClient();
var ip = IPAddress.Parse(addr);
IPEndPoint ep = new IPEndPoint(ip, port);
udp.Connect(ep);
// send
udp.Send(packet, packet.Length);
// receive
bool done = false;
while (!done) {
if (udp.Available <= 0) {
IPEndPoint ep2 = new IPEndPoint(0, 0);
byte[] packet2 = udp.Receive(ref ep2);
Console.WriteLine("packet size: {0}", packet2.Length);
Dictionary<string, object> parsed = Packet.Parse(packet2);
foreach (KeyValuePair<string, object> item in parsed) {
Console.WriteLine("Received:{0} = {1}", item.Key, item.Value);
}
done = true;
}
}
}
public void Send()
{
UdpClient client = new UdpClient();
IPEndPoint ip = new IPEndPoint(IPAddress.Broadcast, 15000);
byte[] bytes = Encoding.ASCII.GetBytes("Foo");
client.Send(bytes, bytes.Length, ip);
client.Close();
}
private void QueueUdpPacket(object data)
{
udpService?.Accept(() =>
{
byte[] packet = Encoding.Default.GetBytes(data.ToJson());
sensuClientSocket?.Send(packet, packet.Length);
});
}
public void broadCastCloudRequests(bool continuous)
{
UdpClient udp = new UdpClient ();
string message = CloudMessage.createRequestMessage (continuous ? 1 : 0);
byte[] data = Encoding.UTF8.GetBytes (message);
IPEndPoint remoteEndPoint = new IPEndPoint (IPAddress.Broadcast, TrackerProperties.Instance.listenPort + 1);
udp.Send (data, data.Length, remoteEndPoint);
}
void broadcast(string message) {
// multicast send setup
udp_client = new UdpClient ();
udp_client.JoinMulticastGroup (group_address);
remote_end = new IPEndPoint (group_address, port);
byte[] buffer = Encoding.ASCII.GetBytes (message);
udp_client.Send (buffer, buffer.Length, remote_end);
}
protected void sendMessage(string message)
{
if (String.IsNullOrWhiteSpace(message))
{
throw (new Exception(BasicErrorMessage.InvalidSendString));
}
byte[] data = Encoding.UTF8.GetBytes(message);
client?.Send(data, data.Length, remoteEndPoint);
}
private static void WontDie ()
{
while (true) {
IPEndPoint endpoint = new IPEndPoint (IPAddress.Loopback, 1900);
UdpClient s = new UdpClient ();
byte [] buffer = new byte [1024];
s.Send (buffer, buffer.Length, endpoint);
s.Receive (ref endpoint);
}
}
static void Main(string[] args)
{
UdpClient client = new UdpClient("127.0.0.1", 0);
client.Receive += (o, e) => {
Console.WriteLine(Encoding.UTF8.GetString(
e.Data, 0, e.Count));
};
client.Send("http://www.163.com", "127.0.0.1", 8089);
Console.Read();
}
public static void Main ()
{
var ip = IPAddress.Parse ("239.255.255.250");
var bytes = new byte [] {60, 70, 75};
UdpClient udp = new UdpClient ();
udp.Connect (ip, 3802);
udp.Send (bytes, 3);
Console.WriteLine ("Sent");
udp.Close ();
}
public void Send(string msg)
{
if (udpClient != null)
{
IPAddress remoteIpAddr = IPAddress.Parse(remoteIp);
IPEndPoint remotePoint = new IPEndPoint(remoteIpAddr, remotePort);
byte[] buffer = Encoding.UTF8.GetBytes(msg);
udpClient?.Send(buffer, buffer.Length, remotePoint);
}
}
private void Broadcast()
{
if (IsBroadcasting()) {
UdpClient client = new UdpClient();
IPEndPoint ip = new IPEndPoint(IPAddress.Broadcast, port);
byte[] data = Encoding.ASCII.GetBytes(message);
client.Send(data, data.Length, ip);
client.Close();
}
}
public void Init(string nothing)
{
remoteEndPoint = new IPEndPoint(IPAddress.Parse(remoteAddress), remotePort);
timestamps = new Dictionary<string, Timestamp>();
receivedMsgBuffer = new StringBuilder();
completeMsgBuffer = new List<string>();
try
{
TCPBuffer = new byte[1024];
sendingUDPClient = new UdpClient();
sendingUDPClient.ExclusiveAddressUse = false;
sendingUDPClient.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
sendingUDPClient.Connect(remoteAddress, remotePort);
receivingUDPClient = new UdpClient();
receivingUDPClient.ExclusiveAddressUse = false;
receivingUDPClient.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
receivingUDPClient.Client.Bind((IPEndPoint)sendingUDPClient.Client.LocalEndPoint);
receivingUDPClient.Connect(remoteAddress, remotePort);
receivingUDPClient.BeginReceive(new AsyncCallback(OnMessageUDP), null);
// Send initial message to register the address and port at the server
string hello = "Hello Server";
byte[] bytes = Encoding.UTF8.GetBytes(hello);
try
{
sendingUDPClient.Send(bytes, bytes.Length);
}
catch (Exception err)
{
#if !UNITY_EDITOR
Application.ExternalCall(onErrorCallback, "An error occurred while sending the initial message to the server: " + err.Message);
#else
UnityEngine.Debug.LogError("An error occurred while sending the initial message to the server: " + err.Message);
#endif
}
TCPClient = new TcpClient();
TCPClient.NoDelay = true;
TCPClient.Connect(remoteEndPoint);
TCPClient.GetStream().BeginRead(TCPBuffer, 0, 1024, new AsyncCallback(OnMessageTCP), null);
}
catch (Exception err)
{
#if !UNITY_EDITOR
Application.ExternalCall(onErrorCallback, err.ToString());
#else
UnityEngine.Debug.LogError("Init(): " + err.ToString());
#endif
}
}
void Sender()
{
using (UdpClient client = new UdpClient(ipAddress, port)){
while (isSending)
{
buffer = Encoding.ASCII.GetBytes(data);
client.Send(buffer, buffer.Length);
Thread.Sleep((int)(1.0f / frequence * 1000));
}
}
}
public void Send(byte[] dgram, string hostname, int port)
{
try
{
_sendClient?.Send(dgram, dgram.Length, hostname, port);
}
catch (Exception expSend)
{
Console.WriteLine(expSend.ToString());
}
}
private void SendPacket(int length)
{
try
{
_udpClient?.Send(_dummyData, length, "255.255.255.255", Port);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
internal override bool SendFrame(KnxFrame frame)
{
var byteFrame = frame.ToFrame();
KnxHelper.Logger.LogTrace($"Writing {frame}");
KnxHelper.Logger.LogHexOut(byteFrame);
var length = _client?.Send(byteFrame, byteFrame.Length);
return(length == byteFrame.Length);
}
public void Send(byte[] dgram, string hostname, int port)
{
try
{
_sendClient?.Send(dgram, dgram.Length, hostname, port);
}
catch (Exception expSend)
{
MessageBox.Show(expSend.ToString());
}
}
/// <summary>
/// Send a byte array value as data to specified address
/// </summary>
/// <param name="address">KNX Address</param>
/// <param name="data">Byte array value</param>
public async void Action(string address, string type, object value)
{
byte[] asdu = DataPointTranslator.Instance.ToASDU(type, value);
var cemi = KnxCEMI.CreateActionCEMI(_messageCode, address, asdu);
var cemiBytes = cemi.ToBytes();
// header
var header = new byte[10];
header[00] = 0x06; /* 06 - Header Length */
header[01] = 0x10; /* 10 - KNXnet version (1.0) */
header[02] = 0x04; /* 04 - hi-byte Service type descriptor (TUNNELLING_REQUEST) */
header[03] = 0x20; /* 20 - lo-byte Service type descriptor (TUNNELLING_REQUEST) */
var totalLength = BitConverter.GetBytes(header.Length + cemiBytes.Length);
header[04] = totalLength[1];
header[05] = totalLength[0];
/* Connection Header (4 Bytes) */
header[06] = 0x04; /* 04 - Structure length */
header[07] = _channelId;
header[08] = _sequenceNo++;
header[09] = 0x00; /* 00 - Reserved */
var datagram = new byte[header.Length + cemiBytes.Length];
Array.Copy(header, datagram, header.Length);
Array.Copy(cemiBytes, 0, datagram, header.Length, cemiBytes.Length);
await _udpClient?.Send(datagram);
}
private void StartPing()
{
Logger.Debug($"{_mainClient.LogClientId}| Pinging Server - Starting");
var message = _guidAsciiBytes;
// Force immediate ping once to avoid race condition before starting to listen
_listener.Send(message, message.Length, _serverEndpoint);
var thread = new Thread(() =>
{
//wait for initial sync - then ping
if (_pingStop.Token.WaitHandle.WaitOne(TimeSpan.FromSeconds(2)))
{
return;
}
while (!_stop)
{
//Logger.Info("Pinging Server");
try
{
if (!RadioSendingState.IsSending)
{
Logger.Trace($"{_mainClient.LogClientId}| Sending UDP Ping to server {_serverEndpoint}: {_guid}");
_listener?.Send(message, message.Length, _serverEndpoint);
}
}
catch (Exception e)
{
Logger.Error(e, $"{_mainClient.LogClientId}| Exception Sending UDP Ping! " + e.Message);
}
//wait for cancel or quit
var cancelled = _pingStop.Token.WaitHandle.WaitOne(TimeSpan.FromSeconds(15));
if (cancelled)
{
Logger.Debug($"{_mainClient.LogClientId}| Stopping UDP Server Ping to {_serverEndpoint} due to cancellation");
return;
}
}
Logger.Debug($"{_mainClient.LogClientId}| Stopping UDP Server Ping to {_serverEndpoint} due to leaving thread");
})
{
Name = $"{_mainClient.LogClientId}| UDP Ping Sender"
};
thread.Start();
}
IEnumerator SendCandidate()
{
// multicast send setup
UdpClient udp_client = new UdpClient ();
udp_client.JoinMulticastGroup (group_address);
IPEndPoint remote_end = new IPEndPoint (group_address, startup_port);
// sends multicast
while (true)
{
byte[] buffer = Encoding.ASCII.GetBytes (SystemInfo.deviceUniqueIdentifier);
udp_client.Send (buffer, buffer.Length, remote_end);
yield return new WaitForSeconds (1);
}
}
public static void Send(string message)
{
var messageInByte = Encoding.ASCII.GetBytes(message);
try
{
_client?.Send(messageInByte, messageInByte.Length);
}
catch (Exception e)
{
IsConnected = false;
Log.Debug("Sending error: ", e.Message);
throw;
}
}
static void Main()
{
//データを送信するリモートホストとポート番号
string remoteHost = "127.0.0.1";
IPAddress remoteAddress = IPAddress.Parse(remoteHost);
int remotePort = 2002;
UdpClient udpClient = new UdpClient();
if (null != udpClient)
{
//ビルドのクエリを投げる
{
string sendMsg = "test";
byte[] buff = Encoding.UTF8.GetBytes(sendMsg);
udpClient?.Send(buff, buff.Length, remoteHost, remotePort);
}
//戻り値取得
IPEndPoint remoteEP = null;
udpClient.Client.ReceiveTimeout = 10000;
int rtv = -1;
{
byte[] buff = null;
try
{
buff = udpClient?.Receive(ref remoteEP);
}
catch (SocketException e)
{
}
if (null != buff)
{
string rcvMsg = Encoding.UTF8.GetString(buff);
int.TryParse(rcvMsg, out rtv);
}
}
Console.WriteLine(rtv);
//UdpClientを閉じる
udpClient?.Close();
}
Console.ReadLine();
}
static int Main (string [] args)
{
int port = 8001;
UdpClient udpClient = new UdpClient (port);
IPAddress ip = IPAddress.Parse ("224.0.0.2");
udpClient.JoinMulticastGroup (ip, IPAddress.Any);
udpClient.MulticastLoopback = true;
udpClient.Ttl = 1;
udpClient.BeginReceive (ReceiveNotification, udpClient);
udpClient.Send (new byte [1] { 255 }, 1, new IPEndPoint (ip, port));
System.Threading.Thread.Sleep (1000);
udpClient.DropMulticastGroup (ip);
if (!_receivedNotification)
return 1;
return 0;
}
public void StartPing()
{
Logger.Debug($"{_mainClient.LogClientId}| Pinging Server - Starting");
var message = _guidAsciiBytes;
_listener = new UdpClient();
try
{
_listener.AllowNatTraversal(true);
}
catch { }
// Force immediate ping once to avoid race condition before starting to listen
_listener.Send(message, message.Length, _serverEndpoint);
_mainClient.IsAudioConnected = true;
//wait for initial sync - then ping
if (_pingStop.Token.WaitHandle.WaitOne(TimeSpan.FromSeconds(2)))
{
return;
}
while (!_requestStop)
{
//Logger.Info("Pinging Server");
try
{
if (!RadioSendingState.IsSending)
{
Logger.Trace($"{_mainClient.LogClientId}| Sending UDP Ping to server {_serverEndpoint}: {_guid}");
_listener?.Send(message, message.Length, _serverEndpoint);
}
}
catch (Exception e)
{
Logger.Error(e, $"{_mainClient.LogClientId}| Exception Sending UDP Ping! " + e.Message);
}
if (_pingStop.Token.WaitHandle.WaitOne(TimeSpan.FromSeconds(15)))
{
return;
}
}
Logger.Debug($"{_mainClient.LogClientId}| Stopping PingLoop because RequestStop is {_requestStop}");
}
internal void SendUDPMessage()
{
//if ( messages.Count > 0 )
if ( String.IsNullOrEmpty ( message ) == false )
{
IPHostEntry host = Dns.GetHostEntry ( Dns.GetHostName ());;
string localIP = null;
//int port = 35143;
foreach ( IPAddress ip in host.AddressList )
{
if ( ip.AddressFamily == AddressFamily.InterNetwork )
{
localIP = ip.ToString ();
break;
}
}
if ( startupManager.developmentMode == true )
{
//UnityEngine.Debug.Log ( "There are [" + messages.Count + "] messages in the queue." );
UnityEngine.Debug.Log ( "'" + message + "' will be sent on " + localIP + " via " + port + "." );
}
UdpClient udpClient = new UdpClient( localIP, port );
Byte[] sendBytes = Encoding.Unicode.GetBytes ( "[2CatStudios:UMP]" + message /*messages[0]*/ );
try
{
udpClient.Send ( sendBytes, sendBytes.Length );
//messages.RemoveAt ( 0 );
} catch ( Exception e )
{
UnityEngine.Debug.Log ( e.ToString ());
}
}
}
internal override bool SendFrame(KnxFrame frame)
{
var byteFrame = frame.ToFrame();
KnxHelper.Logger.LogTrace($"Writing {frame}");
KnxHelper.Logger.LogHexOut(byteFrame);
try
{
var length = _client?.Send(byteFrame, byteFrame.Length);
return(length == byteFrame.Length);
}
catch (Exception e)
{
KnxHelper.Logger.LogError(e, "Error writing value...");
}
return(false);
}
public void run()
{
Debug.Log("DISCOVERY THREAD: started...");
try {
udpClient = new UdpClient(8888);
//udpClient.EnableBroadcast = true; //only 4 send
while (_isRunning)
{
Debug.Log(GetType().Name + ">>>Ready to receive broadcast packets!");
// Receive a packet
//IPEndPoint object will allow us to read datagrams sent from any source.
IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 8888);
// Blocks until a message returns on this socket from a remote host.
Byte[] receiveBytes = udpClient.Receive(ref RemoteIpEndPoint); //updates RemoteIpEndPoint to be the sender
string returnData = Encoding.ASCII.GetString(receiveBytes);
// Uses the IPEndPoint object to determine which of these two hosts responded.
Debug.Log("This is the message you received " +
returnData.ToString());
Debug.Log("This message was sent from " +
RemoteIpEndPoint.Address.ToString() +
" on their port number " +
RemoteIpEndPoint.Port.ToString());
// See if the packet holds the right command (message)
string message = returnData.ToString().Trim();
if (message.Equals("DISCOVER_FUIFSERVER_REQUEST")) {
Byte[] sendBytes = Encoding.ASCII.GetBytes("DISCOVER_FUIFSERVER_RESPONSE");
udpClient.Send(sendBytes, sendBytes.Length, RemoteIpEndPoint);
}
}
} catch (Exception e) {
Debug.LogError(e.ToString());
}
Debug.Log("DISCOVERY THREAD: ending...");
}
public bool Send(byte[] bytes, int len, double[] freq, byte[] modulation)
{
if (!_stop &&
_listener != null &&
(bytes != null))
//can only send if IL2 is connected
{
try
{
//generate packet
var udpVoicePacket = new UDPVoicePacket
{
GuidBytes = _guidAsciiBytes,
AudioPart1Bytes = bytes,
AudioPart1Length = (ushort)bytes.Length,
Frequencies = freq,
UnitId = gameState.unitId,
Modulations = modulation,
PacketNumber = _packetNumber++,
OriginalClientGuidBytes = _guidAsciiBytes,
RetransmissionCount = 0,
Encryptions = new byte[] { 0 },
};
var encodedUdpVoicePacket = udpVoicePacket.EncodePacket();
_listener?.Send(encodedUdpVoicePacket, encodedUdpVoicePacket.Length, new IPEndPoint(_address, _port));
}
catch (Exception e)
{
Logger.Error(e, "Exception Sending Audio Message " + e.Message);
}
}
else
{
//couldnt send
}
return(false);
}
private void PpmCollection(PpmPoint[] ppmPoints)
{
_routeToIup.CountPoints = 0;
for (int i = 0; i < ppmPoints.Length; i++)
{
if (ppmPoints[i] == null)
{
continue;
}
_routeToIup.CountPoints++;
_routeToIup.NavigationPoints[i] = ppmPoints[i].NavigationPoint;
}
int s = Marshal.SizeOf(_routeToIup);
int s1 = Marshal.SizeOf(_routeToIup.ArrivalAerodrome);
int s2 = Marshal.SizeOf(_routeToIup.NavigationPoints[0]);
var dgram = GetByteNp();
_sendClient?.Send(dgram, dgram.Length, "127.0.0.1", 20555);
}
private static void Main()
{
string IP = "127.0.0.1";
int port = 65002;
IPEndPoint remoteEndPoint = new IPEndPoint(IPAddress.Parse(IP), port);
UdpClient client = new UdpClient();
int r = 0;
while (!Console.KeyAvailable)
{
byte[] data = Encoding.UTF8.GetBytes("01234567*404=" + r.ToString());
client.Send(data, data.Length, remoteEndPoint);
Console.Write(r.ToString());
Thread.Sleep(2000);
r++;
if (r == 2)
r = 0;
}
client.Close();
}
public void Write(byte[] dados)
{
try
{
if (UdpClient?.Client == null)
{
return;
}
if (!Connected)
{
return;
}
if (!UdpClient.Client.Connected)
{
return;
}
UdpClient?.Send(dados, dados.Length);
}
catch (Exception erro)
{
throw new Exception(erro.Message);
}
}
// Update is called once per frame
IEnumerator MyCoroutine()
{
client = new UdpClient(port); // this is the call to port... needs to be right...
while (true)
{
try
{
//byte[] data = Encoding.UTF8.GetBytes(message);
byte[] data = Encoding.UTF8.GetBytes(Robot.instance.driveL.ToString() + "," + Robot.instance.driveR.ToString()
+ ",L::" + Robot.instance.driveL.ToString() + " R::" + Robot.instance.driveR.ToString());
client.Send(data, data.Length, remoteEndPoint);
}
catch (Exception err)
{
print(err.ToString());
ErrorControl.text = err.ToString();
}
Status.text = "Connected to: /n" + IncomingIP;
//yield return new WaitForSeconds(0.003f);
yield return null;
}
}
// -------------------------------------------------------------------------
public void SendData(string ipString, int port, byte[] data)
{
UdpClient client = null;
try
{
IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse(ipString), port);
client = new UdpClient(endPoint);
client.Send(data, data.Length, endPoint);
}
catch (System.Exception err)
{
print(err.ToString());
}
finally
{
if (client != null) {
client.Close();
}
}
}
static void SendData(string datagramm)
{
UdpClient uClient = new UdpClient();
//подключение к удаленному хосту
IPEndPoint ipEnd = new IPEndPoint(RemoteIPAddr, RemotePort);
try
{
byte[] bytes = Encoding.Unicode.GetBytes(datagramm);
uClient.Send(bytes, bytes.Length, ipEnd);
}
catch (SocketException sockEx)
{
Console.WriteLine("Ошибка сокета: " + sockEx.Message);
}
catch (Exception ex)
{
Console.WriteLine("Ошибка : " + ex.Message);
}
finally
{
//закрытие экземпляра класса UdpClient
uClient.Close();
}
}
public void Send(string ipAddress, byte[] data, int portNumber)
{
client?.Send(data, data.Length, new IPEndPoint(IPAddress.Parse(ipAddress), portNumber));
}
void HeartBeat()
{
Byte[] sendBytes = Encoding.ASCII.GetBytes("heartbeat");
udp.Send(sendBytes, sendBytes.Length);
}
private void SendNext()
{
var nextMessage = Console.ReadLine();
multicastClient.Send(Encoding.ASCII.GetBytes(nextMessage), nextMessage.Length, multicastEndpoint);
}
bool SendCommand(ref UdpClient client, string ipadr, int port)
{
string sendstr = sendCommand + System.Environment.NewLine;
byte[] data = ASCIIEncoding.ASCII.GetBytes (sendstr);
try {
client.Send (data, data.Length, ipadr, port);
}
catch (Exception e) {
rcvText.text = "snd:" + e.Message;
return false;
}
return true;
}
public AnnounceInfo Announce(String url, String hash, String peerId, Int64 bytesDownloaded, Int64 bytesLeft, Int64 bytesUploaded,
Int32 eventTypeFilter, Int32 ipAddress, Int32 numWant, Int32 listenPort, Int32 extensions)
{
List <IPEndPoint> returnValue = new List <IPEndPoint>();
ValidateInput(url, new[] { hash }, ScraperType.UDP);
_currentConnectionId = BaseCurrentConnectionId;
Int32 trasactionId = Random.Next(0, 65535);
UdpClient udpClient = new UdpClient(Tracker, Port)
{
DontFragment = true,
Client =
{
SendTimeout = Timeout * 1000,
ReceiveTimeout = Timeout * 1000
}
};
byte[] sendBuf = _currentConnectionId.Concat(Pack.Int32(0, Pack.Endianness.Big)).Concat(Pack.Int32(trasactionId, Pack.Endianness.Big)).ToArray();
udpClient.Send(sendBuf, sendBuf.Length);
IPEndPoint endPoint = null;
byte[] recBuf;
try
{
recBuf = udpClient.Receive(ref endPoint);
}
catch (Exception)
{
return(null);
}
if (recBuf == null)
{
throw new NoNullAllowedException("udpClient failed to receive");
}
if (recBuf.Length < 0)
{
throw new InvalidOperationException("udpClient received no response");
}
if (recBuf.Length < 16)
{
throw new InvalidOperationException("udpClient did not receive entire response");
}
UInt32 recAction = Unpack.UInt32(recBuf, 0, Unpack.Endianness.Big);
UInt32 recTrasactionId = Unpack.UInt32(recBuf, 4, Unpack.Endianness.Big);
if (recAction != 0 || recTrasactionId != trasactionId)
{
throw new Exception("Invalid response from tracker");
}
_currentConnectionId = CopyBytes(recBuf, 8, 8);
byte[] hashBytes = Pack.Hex(hash).ToArray();
Int32 key = Random.Next(0, 65535);
sendBuf = _currentConnectionId. /*connection id*/
Concat(Pack.Int32(1)). /*action*/
Concat(Pack.Int32(trasactionId, Pack.Endianness.Big)). /*trasaction Id*/
Concat(hashBytes). /*hash*/
Concat(Encoding.ASCII.GetBytes(peerId)). /*my peer id*/
Concat(Pack.Int64(bytesDownloaded, Pack.Endianness.Big)). /*bytes downloaded*/
Concat(Pack.Int64(bytesLeft, Pack.Endianness.Big)). /*bytes left*/
Concat(Pack.Int64(bytesUploaded, Pack.Endianness.Big)). /*bytes uploaded*/
Concat(Pack.Int32(eventTypeFilter, Pack.Endianness.Big)). /*event, 0 for none, 2 for just started*/
Concat(Pack.Int32(ipAddress, Pack.Endianness.Big)). /*ip, 0 for this one*/
Concat(Pack.Int32(key, Pack.Endianness.Big)). /*unique key*/
Concat(Pack.Int32(numWant, Pack.Endianness.Big)). /*num want, -1 for as many as pos*/
Concat(Pack.Int32(listenPort, Pack.Endianness.Big)). /*listen port*/
Concat(Pack.Int32(extensions, Pack.Endianness.Big)).ToArray(); /*extensions*/
udpClient.Send(sendBuf, sendBuf.Length);
try
{
recBuf = udpClient.Receive(ref endPoint);
}
catch (Exception)
{
return(null);
}
recAction = Unpack.UInt32(recBuf, 0, Unpack.Endianness.Big);
recTrasactionId = Unpack.UInt32(recBuf, 4, Unpack.Endianness.Big);
int waitTime = (int)Unpack.UInt32(recBuf, 8, Unpack.Endianness.Big);
int leachers = (int)Unpack.UInt32(recBuf, 12, Unpack.Endianness.Big);
int seeders = (int)Unpack.UInt32(recBuf, 16, Unpack.Endianness.Big);
if (recAction != 1 || recTrasactionId != trasactionId)
{
throw new Exception("Invalid response from tracker");
}
for (Int32 i = 20; i < recBuf.Length; i += 6)
{
UInt32 ip = Unpack.UInt32(recBuf, i, Unpack.Endianness.Big);
UInt16 port = Unpack.UInt16(recBuf, i + 4, Unpack.Endianness.Big);
returnValue.Add(new IPEndPoint(ip, port));
}
udpClient.Close();
return(new AnnounceInfo(returnValue, waitTime, seeders, leachers));
}
// IEnumerator sendByteTimed(){
void sendByteTimed()
{
int size_max_packet = 1024; // Taille max des paquets
int taille_tab_final=byteImgS.Length;
gameObject.SendMessage("tailleTemps",taille_tab_final);
while (readCount<taille_tab_final-1) {
//yield return new WaitForEndOfFrame();
client = new UdpClient();
//yield return new WaitForSeconds (0.12f);
int length = Mathf.Min(size_max_packet, taille_tab_final-readCount);//les dernier bit <= size_max_packet ??
int ii=0;
byte[] DatagramPacket = new byte[length];
float[] DatagramPacketfloat = new float[length];
for (int ik=readCount;ik<(readCount+length);ik++){
//DatagramPacketfloat[ii]=(byteImgS[ik]);
//DatagramPacket[ii]=byte.Parse((""+(byteImgS[ik])).ToString());
float az1=(byteImgS[ik]);
//DatagramPacket[ii]=(byte)(Mathf.Ceil(az1));
DatagramPacket[ii]=(byte)(az1);
// if(ii==2)Debug.Log(DatagramPacket[ii]+"/"+az1);
ii++; }
//DatagramPacket = MessageDataSound.ToByteArray(DatagramPacketfloat);
// Debug.Log(DatagramPacket[2]+DatagramPacket[3]);
try
{
Debug.Log("DatagramPacket:"+DatagramPacket[10]+DatagramPacket[11]+DatagramPacket[12]);//+"/RD:"+readCount+"/len:"+length);
client.Send(DatagramPacket,length, remoteEndPoint);
client.Close();
readCount += length;
} catch (Exception err) { Debug.Log(err.ToString()); }
}
}
public IDictionary <String, ScrapeInfo> Scrape(String url, String[] hashes)
{
Dictionary <String, ScrapeInfo> returnVal = new Dictionary <string, ScrapeInfo>();
ValidateInput(url, hashes, ScraperType.UDP);
Int32 trasactionId = Random.Next(0, 65535);
UdpClient udpClient = new UdpClient(Tracker, Port)
{
Client =
{
SendTimeout = Timeout * 1000,
ReceiveTimeout = Timeout * 1000
}
};
byte[] sendBuf = _currentConnectionId.Concat(Pack.Int32(0)).Concat(Pack.Int32(trasactionId)).ToArray();
udpClient.Send(sendBuf, sendBuf.Length);
IPEndPoint endPoint = null;
byte[] recBuf = udpClient.Receive(ref endPoint);
if (recBuf == null)
{
throw new NoNullAllowedException("udpClient failed to receive");
}
if (recBuf.Length < 0)
{
throw new InvalidOperationException("udpClient received no response");
}
if (recBuf.Length < 16)
{
throw new InvalidOperationException("udpClient did not receive entire response");
}
UInt32 recAction = Unpack.UInt32(recBuf, 0, Unpack.Endianness.Big);
UInt32 recTrasactionId = Unpack.UInt32(recBuf, 4, Unpack.Endianness.Big);
if (recAction != 0 || recTrasactionId != trasactionId)
{
throw new Exception("Invalid response from tracker");
}
_currentConnectionId = CopyBytes(recBuf, 8, 8);
byte[] hashBytes = new byte[0];
hashBytes = hashes.Aggregate(hashBytes, (current, hash) => current.Concat(Pack.Hex(hash)).ToArray());
int expectedLength = 8 + (12 * hashes.Length);
sendBuf = _currentConnectionId.Concat(Pack.Int32(2)).Concat(Pack.Int32(trasactionId)).Concat(hashBytes).ToArray();
udpClient.Send(sendBuf, sendBuf.Length);
recBuf = udpClient.Receive(ref endPoint);
if (recBuf == null)
{
throw new NoNullAllowedException("udpClient failed to receive");
}
if (recBuf.Length < 0)
{
throw new InvalidOperationException("udpClient received no response");
}
if (recBuf.Length < expectedLength)
{
throw new InvalidOperationException("udpClient did not receive entire response");
}
recAction = Unpack.UInt32(recBuf, 0, Unpack.Endianness.Big);
recTrasactionId = Unpack.UInt32(recBuf, 4, Unpack.Endianness.Big);
_currentConnectionId = CopyBytes(recBuf, 8, 8);
if (recAction != 2 || recTrasactionId != trasactionId)
{
throw new Exception("Invalid response from tracker");
}
Int32 startIndex = 8;
foreach (String hash in hashes)
{
UInt32 seeders = Unpack.UInt32(recBuf, startIndex, Unpack.Endianness.Big);
UInt32 completed = Unpack.UInt32(recBuf, startIndex + 4, Unpack.Endianness.Big);
UInt32 leachers = Unpack.UInt32(recBuf, startIndex + 8, Unpack.Endianness.Big);
returnVal.Add(hash, new ScrapeInfo(seeders, completed, leachers, ScraperType.UDP));
startIndex += 12;
}
udpClient.Close();
return(returnVal);
}
private void buttonCreateAccount_Click(object sender, EventArgs e)
{
// *************
UdpClient klienti = new UdpClient();
IPEndPoint ep = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 12000);
klienti.Connect(ep);
byte[] bytesend = Encoding.ASCII.GetBytes
(
textBoxFirstName.Text + " " +
textBoxLastName.Text + " " +
textBoxEmail.Text + " " +
textBoxUsername.Text + " " +
textBoxPassword.Text + " " +
textBoxPasswordConfirm.Text
);
klienti.Send(bytesend, bytesend.Length);
//
X509Certificate2 cert = GetCertificateFromStore("CN=RootCA");
if (cert == null)
{
Console.WriteLine("Certificate 'CN=CERT_SIGN_TEST_CERT' not found.");
Console.ReadLine();
}
string email = textBoxUsername.Text.Trim();
string password = textBoxPassword.Text.Trim();
DES des = new DES();
string mesazhi = email + ":" + password + ":" + "blla";
Console.WriteLine(mesazhi);
byte[] encrytedData = des.Enkripto(mesazhi);
byte[] IV = des.getIV();
byte[] key = des.getKey();
byte[] encryptedKey = EncryptDataOaepSha1(cert, key);
Console.WriteLine(encryptedKey.Length);
Console.WriteLine(Convert.ToBase64String(encryptedKey));
Console.WriteLine(Convert.ToBase64String(key));
Console.WriteLine(Convert.ToBase64String(DecryptDataOaepSha1(cert, encryptedKey)));
string delimiter = ".";
string fullmessageEncrypted = Convert.ToBase64String(IV) + delimiter + Convert.ToBase64String(encryptedKey) + delimiter + Convert.ToBase64String(encrytedData);
//
}
public void Send(string msg)
{
var sendBytes = Encoding.UTF8.GetBytes(msg);
_udpClient?.Send(sendBytes, sendBytes.Length);
}
/*void IPMine(){
var hostname :String= Dns.GetHostName();
var ips:IPAddress[] = Dns.GetHostAddresses(hostname);
if (ips.Length > 0)MessageHostName=("SrvIP"+"/"+GameName+"/"+(ips[0].ToString()));
sendString(MessageHostName);
NetScripts.textWMessage+="\n....server UDP send DatagramPacket.. message"+MessageHostName+".";
}*/
/*
void sendString()
{
gameObject.SendMessage("tailleTemps",byteImgS.Length);
try
{
byte[] DatagramPacket = (byteImgS);
//byte[] DatagramPacket = Encoding.UTF8.GetBytes(message);
//var DatagramPacket:byte[] = Encoding.ASCII.GetBytes(message);
client.Send(DatagramPacket, DatagramPacket.Length, remoteEndPoint);
client.Close();
}
catch (Exception err) { Debug.Log(err.ToString()); }
}
*/
IEnumerator sendByteTimed()
{
int size_max_packet = 1024; // Taille max des paquets
int taille_tab_final=byteImgS.Length;
gameObject.SendMessage("tailleTemps",taille_tab_final);
while (readCount<taille_tab_final-1) {
yield return new WaitForEndOfFrame();
client = new UdpClient();
//yield return new WaitForSeconds (0.12f);
//Debug.Log("readCount:"+readCount);
int length = Mathf.Min(size_max_packet, taille_tab_final-readCount);//les dernier bit <= size_max_packet ??
int ii=0;
//DatagramPacket=null;
byte[] DatagramPacket = new byte[length];
for (int ik=readCount;ik<(readCount+length);ik++){ DatagramPacket[ii]=byteImgS[ik]; if(ii==12)Debug.Log(DatagramPacket[ii]+"/"+byteImgS[ik]); ii++; }
try
{
Debug.Log("DatagramPacket:"+DatagramPacket[10]+DatagramPacket[11]+DatagramPacket[12]);//+"/RD:"+readCount+"/len:"+length);
client.Send(DatagramPacket,length, remoteEndPoint);
client.Close();
//clientAvailableTime=0.1f;
//countclientAvailableTime=true;
readCount += length;
} catch (Exception err) { Debug.Log(err.ToString()); }
}// else countclientAvailableTime=false;
//if(clientAvailableTime<0){}else {Debug.Log("waiiiiiiiiiiiiiit");}
//countclientAvailableTime=true;
}
public override void SendToSim()
{
roll_out = (float)MainV2.comPort.MAV.cs.hilch1 / rollgain;
pitch_out = (float)MainV2.comPort.MAV.cs.hilch2 / pitchgain;
throttle_out = ((float)MainV2.comPort.MAV.cs.hilch3) / throttlegain;
rudder_out = (float)MainV2.comPort.MAV.cs.hilch4 / ruddergain;
// Limit min and max
roll_out = Constrain(roll_out, -1, 1);
pitch_out = Constrain(pitch_out, -1, 1);
rudder_out = Constrain(rudder_out, -1, 1);
throttle_out = Constrain(throttle_out, 0, 1);
// sending only 1 packet instead of many.
byte[] Xplane = new byte[5 + 36 + 36];
if (heli)
{
Xplane = new byte[5 + 36 + 36 + 36];
}
Xplane[0] = (byte)'D';
Xplane[1] = (byte)'A';
Xplane[2] = (byte)'T';
Xplane[3] = (byte)'A';
Xplane[4] = 0;
Array.Copy(BitConverter.GetBytes((int)25), 0, Xplane, 5, 4); // packet index
Array.Copy(BitConverter.GetBytes((float)throttle_out), 0, Xplane, 9, 4); // start data
Array.Copy(BitConverter.GetBytes((float)throttle_out), 0, Xplane, 13, 4);
Array.Copy(BitConverter.GetBytes((float)throttle_out), 0, Xplane, 17, 4);
Array.Copy(BitConverter.GetBytes((float)throttle_out), 0, Xplane, 21, 4);
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, 25, 4);
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, 29, 4);
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, 33, 4);
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, 37, 4);
// NEXT ONE - control surfaces
Array.Copy(BitConverter.GetBytes((int)11), 0, Xplane, 41, 4); // packet index
Array.Copy(BitConverter.GetBytes((float)(pitch_out * REV_pitch)), 0, Xplane, 45, 4); // start data
Array.Copy(BitConverter.GetBytes((float)(roll_out * REV_roll)), 0, Xplane, 49, 4);
Array.Copy(BitConverter.GetBytes((float)(rudder_out * REV_rudder)), 0, Xplane, 53, 4);
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, 57, 4);
Array.Copy(BitConverter.GetBytes((float)(roll_out * REV_roll * 0.5)), 0, Xplane, 61, 4);
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, 65, 4);
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, 69, 4);
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, 73, 4);
if (heli)
{
Array.Copy(BitConverter.GetBytes((float)(0)), 0, Xplane, 53, 4);
int a = 73 + 4;
Array.Copy(BitConverter.GetBytes((int)39), 0, Xplane, a, 4); // packet index
a += 4;
Array.Copy(BitConverter.GetBytes((float)(12 * collective_out)), 0, Xplane, a, 4); // main rotor 0 - 12
a += 4;
Array.Copy(BitConverter.GetBytes((float)(12 * rudder_out)), 0, Xplane, a, 4); // tail rotor -12 - 12
a += 4;
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, a, 4);
a += 4;
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, a, 4);
a += 4;
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, a, 4);
a += 4;
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, a, 4);
a += 4;
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, a, 4);
a += 4;
Array.Copy(BitConverter.GetBytes((int)-999), 0, Xplane, a, 4);
}
try
{
XplanesSEND.Send(Xplane, Xplane.Length);
}
catch (Exception e) { log.Info("Xplanes udp send error " + e.Message); }
}
public void SendMessage(byte[] array)
{
_udpClient.Send(array, array.Length);
}
public static IPAddress GetPublicIPAddress(string stunServer)
{
try
{
logger.LogDebug("STUNClient attempting to determine public IP from " + stunServer + ".");
using (UdpClient udpClient = new UdpClient(stunServer, DEFAULT_STUN_PORT))
{
STUNMessage initMessage = new STUNMessage(STUNMessageTypesEnum.BindingRequest);
byte[] stunMessageBytes = initMessage.ToByteBuffer();
udpClient.Send(stunMessageBytes, stunMessageBytes.Length);
IPAddress publicIPAddress = null;
ManualResetEvent gotResponseMRE = new ManualResetEvent(false);
udpClient.BeginReceive((ar) =>
{
try
{
IPEndPoint stunResponseEndPoint = null;
byte[] stunResponseBuffer = udpClient.EndReceive(ar, ref stunResponseEndPoint);
if (stunResponseBuffer != null && stunResponseBuffer.Length > 0)
{
logger.LogDebug("STUNClient Response to initial STUN message received from " + stunResponseEndPoint + ".");
STUNMessage stunResponse = STUNMessage.ParseSTUNMessage(stunResponseBuffer, stunResponseBuffer.Length);
if (stunResponse.Attributes.Count > 0)
{
foreach (STUNAttribute stunAttribute in stunResponse.Attributes)
{
if (stunAttribute.AttributeType == STUNAttributeTypesEnum.MappedAddress)
{
publicIPAddress = ((STUNAddressAttribute)stunAttribute).Address;
logger.LogDebug("STUNClient Public IP=" + publicIPAddress.ToString() + ".");
}
}
}
}
gotResponseMRE.Set();
}
catch (Exception recvExcp)
{
logger.LogWarning("Exception STUNClient Receive. " + recvExcp.Message);
}
}, null);
if (gotResponseMRE.WaitOne(STUN_SERVER_RESPONSE_TIMEOUT * 1000))
{
return(publicIPAddress);
}
else
{
logger.LogWarning("STUNClient server response timedout after " + STUN_SERVER_RESPONSE_TIMEOUT + "s.");
return(null);
}
}
}
catch (Exception excp)
{
logger.LogError("Exception STUNClient GetPublicIPAddress. " + excp.Message);
return(null);
//throw;
}
}
private void FuncRcvData()
{
client = new UdpClient (port);
client.Client.ReceiveTimeout = 300; // msec
client.Client.Blocking = false;
while (stopThr == false) {
try {
IPEndPoint anyIP = new IPEndPoint(IPAddress.Any, 0);
byte[] data = client.Receive(ref anyIP);
string text = Encoding.ASCII.GetString(data);
lastRcvd = text;
if (lastRcvd.Length > 0) {
Thread.Sleep(delay_msec);
client.Send(data, data.Length, anyIP); // echo
}
}
catch (Exception err)
{
// print(err.ToString());
}
// without this sleep, on adnroid, the app will not start (freeze at Unity splash)
Thread.Sleep(20); // 200
}
client.Close ();
}