// receive thread
private void ReceiveData()
{
client = new UdpClient();
IPEndPoint localEp = new IPEndPoint(IPAddress.Any, port);
client.Client.Bind(localEp);
client.JoinMulticastGroup(IPAddress.Parse(MULTICAST_ADDR));
while (true)
{
try
{
byte[] data = client.Receive(ref localEp);
string text = Encoding.UTF8.GetString(data);
string[] message = text.Split(',');
Vector3 result = new Vector3(float.Parse(message[0]), float.Parse(message[1]), float.Parse(message[2]));
print(">> " + result);
lastReceivedUDPPacket = result;
}
catch (Exception err)
{
print(err.ToString());
}
}
}
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);
}
}
private static void StartListener()
{
//Initiate UDP server
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
UdpClient listener = new UdpClient(ListenPort);
IPEndPoint groupEp = new IPEndPoint(IPAddress.Any,ListenPort);
IPEndPoint responseEp;
string receivedCommand;
try
{
while (true)
{
//Wait for incoming command
Console.WriteLine("Waiting for command");
byte[] bytes = listener.Receive( ref groupEp);
receivedCommand = Encoding.ASCII.GetString(bytes,0,bytes.Length);
Console.WriteLine("Received command: " + receivedCommand + " from " + groupEp.Address);
//Send matching response
responseEp = new IPEndPoint(groupEp.Address, ListenPort);
if (receivedCommand == "U" || receivedCommand == "u")
{
using (StreamReader sr = new StreamReader ("/proc/uptime"))
{
String line = sr.ReadToEnd();
Console.WriteLine("Sending uptime: " + line);
byte[] sendbuf = Encoding.ASCII.GetBytes(line);
s.SendTo(sendbuf, responseEp);
}
}
else if(receivedCommand == "L" || receivedCommand == "l")
{
using (StreamReader sr = new StreamReader ("/proc/loadavg"))
{
String line = sr.ReadToEnd();
Console.WriteLine("Sending load average: " + line);
byte[] sendbuf = Encoding.ASCII.GetBytes(line);
s.SendTo(sendbuf, responseEp);
}
}
else
{
Console.WriteLine("Command " + receivedCommand + " not found\n");
byte[] sendbuf = Encoding.ASCII.GetBytes("Input not recognized, please try again!");
s.SendTo(sendbuf, responseEp);
}
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
finally
{
listener.Close();
}
}
public static int Main()
{
bool done = false;
UdpClient listener = new UdpClient(listenPort);
IPEndPoint groupEP = new IPEndPoint(IPAddress.Any, listenPort);
string received_data;
byte[] receive_byte_array;
try
{
while (!done)
{
Console.WriteLine("Waiting for broadcast");
// this is the line of code that receives the broadcase message.
// It calls the receive function from the object listener (class UdpClient)
// It passes to listener the end point groupEP.
// It puts the data from the broadcast message into the byte array
// named received_byte_array.
// I don't know why this uses the class UdpClient and IPEndPoint like this.
// Contrast this with the talker code. It does not pass by reference.
// Note that this is a synchronous or blocking call.
receive_byte_array = listener.Receive(ref groupEP);
Console.WriteLine("Received a broadcast from {0}", groupEP.ToString());
received_data = Encoding.ASCII.GetString(receive_byte_array, 0, receive_byte_array.Length);
Console.WriteLine("data follows \n{0}\n\n", received_data);
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
listener.Close();
return 0;
}
private void ReceiveData(){
client = new UdpClient(port); //Binds udp client to random port
while (true)
{
try
{
IPEndPoint IPEndPoint = new IPEndPoint(IPAddress.Any, 0);
byte[] data = client.Receive(ref IPEndPoint);
string text = Encoding.UTF8.GetString(data);
if(log){
Debug.Log(text);
}
lock(receivedUDPPackets){
receivedUDPPackets.Add(text);
}
}
catch (Exception err)
{
print(err.ToString());
}
}
}
void Start()
{
client = new UdpClient(listenPort);
client.Connect(scHostname,scPort);
Send("/notify", 1);
StartCoroutine( Listen() );
}
private void Listen()
{
System.Random myRandom = new System.Random();
udpClient = new UdpClient(7272, AddressFamily.InterNetwork);
var endPoint = default(IPEndPoint);
byte[] bytes;
while (m_shouldRun)
{
try
{
bytes = udpClient.Receive(ref endPoint);
if (bytes == null || bytes.Length == 0)
break;
int offset = 0;
lock (m_threadLock)
{
m_head = FromOculusToUnity(Vector3FromBytes(bytes, ref offset));
m_rHand = FromOculusToUnity(Vector3FromBytes(bytes, ref offset));
//m_rHandRotation = Vector4FromBytes(bytes, ref offset);
m_lHand = FromOculusToUnity(Vector3FromBytes(bytes, ref offset));
//m_lHandRotation = Vector4FromBytes(bytes, ref offset);
m_rightClosed = BoolFromBytes(bytes, ref offset);
}
} catch (ThreadInterruptedException)
{
// Empty on purpose
}
}
}
public async Task ConnectAsync_IPAddressHost_Success()
{
using (var c = new UdpClient())
{
await c.Client.ConnectAsync(IPAddress.Parse("114.114.114.114"), 53);
}
}
public void init()
{
IP = "192.168.15.11";
port = 8051;
remoteEndPoint = new IPEndPoint(IPAddress.Parse(IP), port);
client = new UdpClient();
}
private void ReceiveData()
{
client = new UdpClient(8000);
while (running)
{
try
{
IPEndPoint anyIP = new IPEndPoint(IPAddress.Any, 0);
byte[] data = client.Receive(ref anyIP);
string text = Encoding.UTF8.GetString(data);
Debug.Log("Input "+text);
string[] info = text.Split(':');
inputText = text;
if(info[0].Equals("speed")){
speed= info[1];
}
if(info[0].Equals("turn")){
axis= info[1];
}
}
catch (Exception err)
{
running =false;
print(err.ToString());
}
}
}
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);
}
void RecieveDatagram()
{
UdpClient receivingUdpClient = new UdpClient ( 35143 );
IPEndPoint RemoteIpEndPoint = new IPEndPoint ( IPAddress.Any, 0 );
while ( true )
{
try {
Byte[] receiveBytes = receivingUdpClient.Receive ( ref RemoteIpEndPoint );
returnData = Encoding.Unicode.GetString ( receiveBytes );
if ( returnData.Substring ( 0, 17 ) == "[2CatStudios:UMP]" )
{
UnityEngine.Debug.Log ( "Recieved '" + returnData.ToString () + "' This message was sent on " + RemoteIpEndPoint.Address.ToString() + " via the port " + RemoteIpEndPoint.Port.ToString ());
returnData = returnData.Substring ( 17 );
} else {
UnityEngine.Debug.Log ( "Data was recieved, but it was not expected." );
}
}
catch ( Exception e )
{
UnityEngine.Debug.Log ( e.ToString ());
returnData = e.ToString ();
}
}
}
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 ();
}
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);
}
}
public void LoadClient()
{
client = new UdpClient(System.Convert.ToInt32(port));
receivePoint = new IPEndPoint(IPAddress.Parse(ip),System.Convert.ToInt32(port));
Thread startClient = new Thread(new ThreadStart(start_client));
startClient.Start();
}
public bool Connect()
{
try
{
serverRemote = new IPEndPoint(IPAddress.Parse(ipAddress), portNumber);
udpClient = new UdpClient();
udpClient.Connect(serverRemote);
if(udpClient.Client.Connected)
{
Debug.Log("connected!");
sendUDPPacket("ANYONE OUT THERE?");
//byte[] data = Encoding.UTF8.GetBytes(toSend);
//client.Send(data, data.Length, serverRemote);
//client.SendTimeout(serverRemote, data);
}
}
catch(Exception ex)
{
print ( ex.Message + " : OnConnect");
}
isConnected = true;
if ( udpClient == null ) return false;
return udpClient.Client.Connected;
}
//private CIPC_CS_Unity.CLIENT.CLIENT CIPCclient;
//private Thread thred;
//private FPSAdjuster.FPSAdjuster fps;
// Use this for initialization
void Start()
{
if (this.renderTexture == null )
{
return;
}
this.client = new UdpClient();
this.sendtexture = new Texture2D(this.renderTexture.width, this.renderTexture.height);
if (this.portNumber == 0)
{
this.portNumber = 15000;
}
//if (this.serverPort == 0)
//{
// this.serverPort = 50000;
//}
if (this.IPAdress == "")
{
this.IPAdress = "127.0.0.1";
}
//this.CIPCclient = new CIPC_CS_Unity.CLIENT.CLIENT(this.portNumber, this.IPAdress, this.serverPort);
//this.CIPCclient.Setup(CIPC_CS_Unity.CLIENT.MODE.Sender);
//this.fps = new FPSAdjuster.FPSAdjuster();
//this.fps.Fps = 30;
//this.fps.Start();
//this.thred = new Thread (new ThreadStart(this.sendimage));
//this.thred.Start();
}
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();
}
}
//public Program()
//{
// socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
// localEP = new IPEndPoint(IPAddress.Any,port);
// socket.Bind(localEP);
// ConnectionEstablished = false;
//}
public Program()
{
localEP = new IPEndPoint(IPAddress.Any, port);
server = new UdpClient(localEP);
//IPEndPoint
//client.Send()
}
public UDPListener(int listen_port)
{
this.listen_port = listen_port;
done = false;
listener = new UdpClient(listen_port);
groupEP = new IPEndPoint(IPAddress.Any, listen_port);
}
public void messageReceiver()
{
UdpClient activeListener = new UdpClient(receivingPort);
IPEndPoint groupEP = new IPEndPoint(IPAddress.Any, receivingPort);
string received_data;
byte[] receive_byte_array;
try
{
while (true)
{
receive_byte_array = activeListener.Receive(ref groupEP);
received_data = Encoding.ASCII.GetString(receive_byte_array, 0, receive_byte_array.Length);
string[] holster = received_data.Split(',');
string username = holster[0];
string ip = holster[1];
userSemaphore.WaitOne();
usernames.Add(username);
ips.Add(ip);
userSemaphore.Release();
}
}
catch (Exception e)
{
}
}
// Connect for receiving messages
public bool Connect(int localPort)
{
Disconnect();
receiveDone.Reset();
// Connect to a local port.
try
{
localEP = new IPEndPoint(IPAddress.Any, localPort);
// Create a UDP Client.
clientReceive = new UdpClient(localEP);
if (ConnectedStateChanged != null) ConnectedStateChanged(this, new ConnectedStateChangedEventArgs(true));
// Setup the receiver client thread
receiverTask = new Thread(ReceiverLoop);
receiverTask.Start();
// Signal that the connection has been made.
connectDone.Set();
}
catch (Exception e)
{
Disconnect();
//
Console.WriteLine(e.ToString());
}
return IsConnected;
}
private static void StartListener()
{
bool done = false;
IPEndPoint groupEP = new IPEndPoint(IPAddress.Any, listenPort);
UdpClient listener = new UdpClient(groupEP);
Log.Notice("Listener", "Waiting for broadcast");
try
{
while (!done)
{
byte[] bytes = listener.Receive(ref groupEP);
Log.Info("Listener", "Client " + groupEP.ToString() + " is trying to connect");
listener.Connect(groupEP);
Log.Succes("Listener", "Listener connected to client " + groupEP.ToString());
done = true;
//TODO - rest of district server connecting
}
}
catch (Exception e)
{
FrameWork.Logger.Log.Error("Listener", e.ToString());
}
finally
{
listener.Close();
}
}
//受信スレッド
private void ReceiveData()
{
//udpクライアント設定
udpClient = new UdpClient(port);
while(threadAvairable)
{
try
{
if(udpClient.Available > 0)
{
IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Any, 0);
byte[] data = udpClient.Receive(ref ipEndPoint);
recievedDataStr = Encoding.UTF8.GetString(data);
isDataRecieved = true;
}
}
catch(Exception err)
{
Debug.LogError(err.Message);
DebugConsole.LogError(err.Message);
break;
}
}
}
public async Task ConnectAsync_StringHost_Success()
{
using (var c = new UdpClient())
{
await c.Client.ConnectAsync("114.114.114.114", 53);
}
}
void OnDestroy()
{
if (udpClient != null) {
udpClient.Close();
udpClient = null;
}
}
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();
}
// init
public void init(string targetIP, string name)
{
playerName = name;
GameObject.FindGameObjectWithTag("Game").GetComponent<Canvas>().enabled = true;
GameObject.FindGameObjectWithTag("GUI").GetComponent<Canvas>().enabled = false;
print("UDPSend.init()");
port = 8051;
IPAddress[] addrs = Dns.GetHostEntry(Dns.GetHostName()).AddressList;
foreach (var ip in addrs)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
playerIP = ip.ToString();
}
}
remoteEndPoint = new IPEndPoint(IPAddress.Parse(targetIP), port);
client = new UdpClient();
connected = true;
// status
print("Sending to " + targetIP + " : " + port);
print("Player IP is " + playerIP);
}
void Start()
{
server = new UdpClient(port);
isReceiving = true;
Data = string.Empty;
StartCoroutine("ReceiverStart");
}
// receive thread
private void ReceiveData() {
client = new UdpClient(port);
while (true) {
try {
// Bytes empfangen.
IPEndPoint anyIP = new IPEndPoint(IPAddress.Any, 0);
byte[] data = client.Receive(ref anyIP);
// Bytes mit der UTF8-Kodierung in das Textformat kodieren.
string text = Encoding.UTF8.GetString(data);
// Den abgerufenen Text anzeigen.
print(">> " + text);
// latest UDPpacket
lastReceivedUDPPacket=text;
// ....
allReceivedUDPPackets=allReceivedUDPPackets+text;
}
catch (Exception err) {
print(err.ToString());
}
}
}
void Start()
{
Assert.IsNotNull(handler, "should set handler.");
endPoint_ = new IPEndPoint(IPAddress.Any, listenPort);
udpClient_ = new UdpClient(endPoint_);
}
public async void StartSwarmChain()
{
var exepath = CheckandGetSITLImage("ArduCopter.elf");
var model = "+";
var config = await GetDefaultConfig(model);
var max = 10.0;
if (InputBox.Show("how many?", "how many?", ref max) != DialogResult.OK)
{
return;
}
max--;
for (int a = (int)max; a >= 0; a--)
{
var extra = " --disable-fgview -r50";
if (!string.IsNullOrEmpty(config))
{
extra += @" --defaults """ + config + @""" -P SERIAL0_PROTOCOL=2 -P SERIAL1_PROTOCOL=2 ";
}
var home = new PointLatLngAlt(markeroverlay.Markers[0].Position).newpos((double)NUM_heading.Value, a * 4);
if (max == a)
{
extra += String.Format(
" -M{4} -s1 --home {3} --instance {0} --uartA tcp:0 {1} -P SYSID_THISMAV={2} ",
a, "", a + 1, BuildHomeLocation(home, (int)NUM_heading.Value), model);
}
else
{
extra += String.Format(
" -M{4} -s1 --home {3} --instance {0} --uartA tcp:0 {1} -P SYSID_THISMAV={2} ",
a, "--uartD tcpclient:127.0.0.1:" + (5772 + 10 * a), a + 1,
BuildHomeLocation(home, (int)NUM_heading.Value), model);
}
string simdir = sitldirectory + model + (a + 1) + Path.DirectorySeparatorChar;
Directory.CreateDirectory(simdir);
string path = Environment.GetEnvironmentVariable("PATH");
Environment.SetEnvironmentVariable("PATH", sitldirectory + ";" + simdir + ";" + path,
EnvironmentVariableTarget.Process);
Environment.SetEnvironmentVariable("HOME", simdir, EnvironmentVariableTarget.Process);
ProcessStartInfo exestart = new ProcessStartInfo();
exestart.FileName = await exepath;
exestart.Arguments = extra;
exestart.WorkingDirectory = simdir;
exestart.WindowStyle = ProcessWindowStyle.Minimized;
exestart.UseShellExecute = true;
File.AppendAllText(Settings.GetUserDataDirectory() + "sitl.bat",
"mkdir " + (a + 1) + "\ncd " + (a + 1) + "\n" + @"""" + exepath + @"""" + " " + extra + " &\n");
File.AppendAllText(Settings.GetUserDataDirectory() + "sitl1.sh",
"mkdir " + (a + 1) + "\ncd " + (a + 1) + "\n" + @"""../" +
Path.GetFileName(await exepath).Replace("C:", "/mnt/c").Replace("\\", "/").Replace(".exe", ".elf") + @"""" + " " +
extra.Replace("C:", "/mnt/c").Replace("\\", "/") + " &\nsleep .3\ncd ..\n");
Process.Start(exestart);
}
try
{
var client = new Comms.TcpSerial();
client.client = new TcpClient("127.0.0.1", 5760);
MainV2.comPort.BaseStream = client;
SITLSEND = new UdpClient("127.0.0.1", 5501);
Thread.Sleep(200);
MainV2.instance.doConnect(MainV2.comPort, "preset", "5760");
return;
}
catch
{
CustomMessageBox.Show(Strings.Failed_to_connect_to_SITL_instance, Strings.ERROR);
return;
}
}
public async Task Execute(CancellationToken cancellationToken, IProgress <double> progress)
{
// Parse string to byte array
int port = Plugin.Instance.Configuration.WakeOnLanPort;
byte[] mac = null;
string[] macDigits = null;
string macAddress = Plugin.Instance.Configuration.HostMacAddress;
if (macAddress.Contains("-"))
{
macDigits = macAddress.Split('-');
}
else
{
macDigits = macAddress.Split(':');
}
if (macDigits.Length != 6)
{
this.logger.Warn("Incorrect MAC address");
return;
}
else
{
mac = macDigits.Select(s => Convert.ToByte(s, 16)).ToArray();
}
this.logger.Info($"Waking on MAC: {BitConverter.ToString(mac)}");
int counter = 0;
byte[] bytes = new byte[6 * 17];
for (var i = 0; i < 6; i++)
{
bytes[counter++] = 0xFF;
}
//16x MAC
for (var i = 0; i < 16; i++)
{
mac.CopyTo(bytes, 6 + i * 6);
}
progress.Report(5);
try
{
cancellationToken.ThrowIfCancellationRequested();
using (var client = new UdpClient())
{
client.EnableBroadcast = true;
await client.SendAsync(bytes, bytes.Length, new IPEndPoint(new IPAddress(0xffffffff), port))
.WithCancellation(cancellationToken)
.ConfigureAwait(false);
}
}
catch (Exception ex)
{
this.logger.ErrorException($"Exception during wake on lan request.", ex);
}
progress.Report(100);
}
public static byte[] receive(UdpClient client, IPEndPoint point)
{
byte[] response = client.Receive(ref point);
return(response);
}
public void Listen()
{
_udpLastReceived = 0;
_ready = false;
_listener = new UdpClient();
try
{
_listener.AllowNatTraversal(true);
}
catch { }
// _listener.Connect(_serverEndpoint);
//start 2 audio processing threads
var decoderThread = new Thread(UdpAudioDecode);
decoderThread.Start();
var settings = GlobalSettingsStore.Instance;
_inputManager.StartDetectPtt(pressed =>
{
var radios = _clientStateSingleton.DcsPlayerRadioInfo;
var radioSwitchPtt = _globalSettings.ProfileSettingsStore.GetClientSettingBool(ProfileSettingsKeys.RadioSwitchIsPTT);
var radioSwitchPttWhenValid = _globalSettings.ProfileSettingsStore.GetClientSettingBool(ProfileSettingsKeys.RadioSwitchIsPTTOnlyWhenValid);
//store the current PTT state and radios
var currentRadioId = radios.selected;
var currentPtt = _ptt;
var ptt = false;
foreach (var inputBindState in pressed)
{
if (inputBindState.IsActive)
{
//radio switch?
if ((int)inputBindState.MainDevice.InputBind >= (int)InputBinding.Intercom &&
(int)inputBindState.MainDevice.InputBind <= (int)InputBinding.Switch10)
{
//gives you radio id if you minus 100
var radioId = (int)inputBindState.MainDevice.InputBind - 100;
if (radioId < _clientStateSingleton.DcsPlayerRadioInfo.radios.Length)
{
var clientRadio = _clientStateSingleton.DcsPlayerRadioInfo.radios[radioId];
if (RadioHelper.SelectRadio(radioId))
{
//turn on PTT
if (radioSwitchPttWhenValid || radioSwitchPtt)
{
_lastPTTPress = DateTime.Now.Ticks;
ptt = true;
//Store last release time
}
}
else
{
//turn on PTT even if not valid radio switch
if (radioSwitchPtt)
{
_lastPTTPress = DateTime.Now.Ticks;
ptt = true;
}
}
}
}
else if (inputBindState.MainDevice.InputBind == InputBinding.Ptt)
{
_lastPTTPress = DateTime.Now.Ticks;
ptt = true;
}
}
}
//if length is zero - no keybinds or no PTT pressed set to false
var diff = new TimeSpan(DateTime.Now.Ticks - _lastPTTPress);
//Release the PTT ONLY if X ms have passed and we didnt switch radios to handle
//shitty buttons
var releaseTime = _globalSettings.ProfileSettingsStore
.GetClientSetting(ProfileSettingsKeys.PTTReleaseDelay).IntValue;
if (!ptt &&
releaseTime > 0 &&
diff.TotalMilliseconds <= releaseTime &&
currentRadioId == radios.selected)
{
ptt = true;
}
_ptt = ptt;
});
StartTimer();
StartPing();
_packetNumber = 1; //reset packet number
while (!_stop)
{
if (_ready)
{
try
{
var groupEp = new IPEndPoint(IPAddress.Any, _port);
// listener.Client.ReceiveTimeout = 3000;
var bytes = _listener.Receive(ref groupEp);
if (bytes?.Length == 22)
{
_udpLastReceived = DateTime.Now.Ticks;
Logger.Info("Received Ping Back from Server");
}
else if (bytes?.Length > 22)
{
_udpLastReceived = DateTime.Now.Ticks;
_encodedAudio.Add(bytes);
}
}
catch (Exception e)
{
// logger.Error(e, "error listening for UDP Voip");
}
}
}
_ready = false;
//stop UI Refreshing
_updateTimer.Stop();
_clientStateSingleton.IsVoipConnected = false;
}
protected abstract void Discover(UdpClient client, CancellationToken cancelationToken);
// -------------------------------------------
/*
* Init
*/
public void Init(int _port)
{
m_client = new UdpClient(_port);
}
private void IdentificationMe()
{
using (UdpClient udpClient = new UdpClient())
{
udpClient.EnableBroadcast = true;
IPEndPoint udpBroadcastPoint = new IPEndPoint(IPAddress.Any, Udp.DefaultPort);
udpClient.Client.Bind(udpBroadcastPoint);
while (this.identificationThread.IsAlive)
{
try
{
TimeSpan timeToWait = TimeSpan.FromMilliseconds(50);
IAsyncResult result = udpClient.BeginReceive(null, null);
result.AsyncWaitHandle.WaitOne(timeToWait);
try
{
IPEndPoint remotePoint = null;
byte[] buffer = udpClient.EndReceive(result, ref remotePoint);
try
{
RequestPresence requestPresence = Helper.XmlDeserialize <RequestPresence>(Encoding.UTF8.GetString(buffer));
Log.WriteLn("Recv: {0} - {1}", requestPresence.Status, remotePoint.Address.ToString());
if ("presence".Equals(requestPresence.Status))
{
IPEndPointHolder ipEndPointHolder = listOfAvailablePCs.Find(
item => item.IpEndPoint.Address.Equals(IPAddress.Parse(requestPresence.UserAddress.Address)));
if (ipEndPointHolder == null)
{
ipEndPointHolder = new IPEndPointHolder();
ipEndPointHolder.IpEndPoint = new IPEndPoint(IPAddress.Parse(requestPresence.UserAddress.Address),
requestPresence.UserAddress.Port);
ipEndPointHolder.IsAvailable = true;
listOfAvailablePCs.Add(ipEndPointHolder);
if (UserPresenceReceivedRequest != null)
{
UserPresenceReceivedRequest(requestPresence, ipEndPointHolder);
}
}
else
{
ipEndPointHolder.IsAvailable = true;
}
}
if ("ask".Equals(requestPresence.Status))
{
UserInfo userInfo = null;
bool isVisible = true;
if (UserPresenceReceivedAsk != null)
{
UserPresenceReceivedAsk(out isVisible, ref userInfo);
}
if (isVisible)
{
Udp.Send(Helper.XmlSerialize <RequestPresence>(new RequestPresence()
{
Status = "presence",
UserAddress = new UserAddress()
{
Address = Helper.LocalIPAddress(),
Port = Udp.DefaultPort
},
UserInfo = userInfo
}), new IPEndPoint(IPAddress.Parse(requestPresence.UserAddress.Address),
requestPresence.UserAddress.Port));
Log.WriteLn("Send: presence - {0}", requestPresence.UserAddress.Address.ToString());
IPEndPointHolder ipEndPointHolder = listOfAvailablePCs.Find(
item => item.IpEndPoint.Address.Equals(IPAddress.Parse(requestPresence.UserAddress.Address)));
if (ipEndPointHolder == null)
{
Udp.Send(Helper.XmlSerialize <RequestPresence>(new RequestPresence()
{
Status = "ask",
UserAddress = new UserAddress()
{
Address = Helper.LocalIPAddress(),
Port = Udp.DefaultPort
},
UserInfo = null
}), new IPEndPoint(IPAddress.Parse(requestPresence.UserAddress.Address),
requestPresence.UserAddress.Port));
Log.WriteLn("Send: ask - {0}", requestPresence.UserAddress.Address.ToString());
}
else
{
ipEndPointHolder.IsAvailable = true;
}
}
}
if ("left".Equals(requestPresence.Status))
{
IPEndPointHolder ipEndPointHolder = listOfAvailablePCs.Find(
item => item.IpEndPoint.Address.Equals(remotePoint.Address));
if (ipEndPointHolder != null)
{
ipEndPointHolder.IsAvailable = false;
if (UserPresenceGotTimeout != null)
{
UserPresenceGotTimeout(ipEndPointHolder);
}
listOfAvailablePCs.Remove(ipEndPointHolder);
}
}
}
catch
{
}
}
catch
{
}
}
catch (ThreadAbortException)
{
UserInfo userInfo = null;
bool isVisible = false;
if (UserPresenceReceivedAsk != null)
{
UserPresenceReceivedAsk(out isVisible, ref userInfo);
}
foreach (IPEndPointHolder ipEndPointHolder in listOfAvailablePCs)
{
Udp.Send(Helper.XmlSerialize <RequestPresence>(new RequestPresence()
{
Status = "left",
UserAddress = new UserAddress()
{
Address = Helper.LocalIPAddress(),
Port = Udp.DefaultPort
},
UserInfo = null
}), ipEndPointHolder.IpEndPoint);
Log.WriteLn("Send: left - {0}", ipEndPointHolder.IpEndPoint.Address.ToString());
}
}
}
}
}
// End of Method
//Enable Sender
private void InitSender()
{
SenderClient = new UdpClient(BroadCast, port);
SenderClient.EnableBroadcast = true;
}
/// <summary>
/// Creates a new instance of the <see cref="UdpState"/> type.
/// </summary>
/// <param name="client">The <see cref="UdpClient"/> that will receive messages.</param>
/// <param name="endPoint">The <see cref="IPEndPoint"/> to listen on.</param>
internal UdpState(UdpClient client, IPEndPoint endPoint)
{
Client = client;
EndPoint = endPoint;
}
public bool Start()
{
var endPoint = Utils.CreateIpEndPoint(_listenOn, 53);
_stopTokenSource = new CancellationTokenSource();
_transactionClients = new ConcurrentDictionary <ushort, IPEndPoint>();
_transactionTimeoutCancellationTokenSources = new ConcurrentDictionary <ushort, CancellationTokenSource>();
try
{
_udpListener = new UdpClient(endPoint);
_udpForwarder = new UdpClient(0);
}
catch (SocketException e)
{
Logger.Error("[Listener] Failed to start DNSAgent:\n{0}", e);
Stop();
return(false);
}
_listeningTask = Task.Run(async() =>
{
while (!_stopTokenSource.IsCancellationRequested)
{
try
{
var query = await _udpListener.ReceiveAsync();
ProcessMessageAsync(query);
}
catch (SocketException e)
{
if (e.SocketErrorCode != SocketError.ConnectionReset)
{
Logger.Error("[Listener.Receive] Unexpected socket error:\n{0}", e);
}
}
catch (AggregateException e)
{
var socketException = e.InnerException as SocketException;
if (socketException != null)
{
if (socketException.SocketErrorCode != SocketError.ConnectionReset)
{
Logger.Error("[Listener.Receive] Unexpected socket error:\n{0}", e);
}
}
else
{
Logger.Error("[Listener] Unexpected exception:\n{0}", e);
}
}
catch (ObjectDisposedException)
{
} // Force closing _udpListener will cause this exception
catch (Exception e)
{
Logger.Error("[Listener] Unexpected exception:\n{0}", e);
}
}
}, _stopTokenSource.Token);
_forwardingTask = Task.Run(async() =>
{
while (!_stopTokenSource.IsCancellationRequested)
{
try
{
var query = await _udpForwarder.ReceiveAsync();
DnsMessage message;
try
{
message = DnsMessage.Parse(query.Buffer);
}
catch (Exception)
{
throw new ParsingException();
}
if (!_transactionClients.ContainsKey(message.TransactionID))
{
continue;
}
IPEndPoint remoteEndPoint;
CancellationTokenSource ignore;
_transactionClients.TryRemove(message.TransactionID, out remoteEndPoint);
_transactionTimeoutCancellationTokenSources.TryRemove(message.TransactionID, out ignore);
await _udpListener.SendAsync(query.Buffer, query.Buffer.Length, remoteEndPoint);
// Update cache
if (Options.CacheResponse)
{
Cache.Update(message.Questions[0], message, Options.CacheAge);
}
}
catch (ParsingException)
{
}
catch (SocketException e)
{
if (e.SocketErrorCode != SocketError.ConnectionReset)
{
Logger.Error("[Forwarder.Send] Name server unreachable.");
}
else
{
Logger.Error("[Forwarder.Receive] Unexpected socket error:\n{0}", e);
}
}
catch (ObjectDisposedException)
{
} // Force closing _udpListener will cause this exception
catch (Exception e)
{
Logger.Error("[Forwarder] Unexpected exception:\n{0}", e);
}
}
}, _stopTokenSource.Token);
Logger.Info("Listening on {0}...", endPoint);
OnStarted();
return(true);
}
public void UdpSend(Packet packet, ref UdpClient udpClient)
{
byte[] buffer = Serialiser.Serialise(packet);
udpClient.Send(buffer, buffer.Length, _endPoint);
}
public OSC(string ip, int port)
{
this.ip = ip;
this.port = port;
server = new UdpClient(ip, port);
}
void SendFunc()
{
Sendclient = new UdpClient();
//发送信息的端口一定要和接受的端口号一样
SendPort = new IPEndPoint(groupAddress, tport);
while (true)
{
//判断侦听器注册数量
if (DiscoveryLogServer.Count == 0)
{
ManagerLog("未设置侦听器，无法分拣消息");
//LogFile("UDPManager", "未设置侦听器，无法分拣消息");
continue;
}
try
{
Queue <DataTransfer> datas = new Queue <DataTransfer>();
List <string> HandleKeys = new List <string>(DiscoveryLogServer.Keys);
foreach (string key in HandleKeys)//构建消息队列
{
List <UDPHandle> tHandle = DiscoveryLogServer[key];
if (tHandle == null || tHandle.Count == 0)
{
//Handle类别为空
continue;
}
DataTransfer transfer = DataTransfer.GetInstance(ID, tHandle[0].HandleType);
tHandle.ForEach(delegate(UDPHandle cHandle)
{
Fields[] tField = cHandle.OnSendData();
if (tField == null || tField.Length == 0)
{
return;
}
for (int i = 0; i < tField.Length; i++)
{
tField[i].name = cHandle.HandleName;
}
transfer.FieldsJoining(tField);
});
if (transfer.data.Count != 0)
{
datas.Enqueue(transfer);
dataCollections = transfer.ToString();
}
/*
* Fields[] tField = tHandle.OnSendData();
* if(tField == null || tField.Length == 0) { continue; }
* DataTransfer transfer = DataTransfer.GetInstance(ID, tHandle.HandleType(), tField);
* datas.Enqueue(transfer);
*/
}
if (datas.Count > 0)
{
while (datas.Count > 0)
{
DataTransfer SendingData = datas.Dequeue();//前面已经确保了DataTransfer不为空
try
{
string json = Newtonsoft.Json.JsonConvert.SerializeObject(SendingData);
byte[] bufs = Encoding.UTF8.GetBytes(json);
Sendclient.Send(bufs, bufs.Length, SendPort);
}
catch (Exception e)
{
DiscoveryLogServer[SendingData.type].ForEach(handle => handle.Log(e.ToString()));
}
}
}
else
{
//ManagerLog("空转");
Thread.Sleep(sendMillSec);
}
}catch (Exception e)
{
ManagerLog(e.ToString());
}
}
}
// When server IP settings is changed during runtime, call this method to take the effect.
public void Init(string serverIp, int port)
{
client = new UdpClient();
server = new IPEndPoint(IPAddress.Parse(serverIp), port);
}
public UdpClientAdapter(int port)
{
_udpClient = new UdpClient(port);
}
public void OpenClient(int port)
{
udpClient = new UdpClient(port);
}
public static void Main(string[] args)
{
IntPtr ctx;
IntPtr ssl;
/* These paths should be changed according to use */
string fileCert = @"server-cert.pem";
string fileKey = @"server-key.pem";
StringBuilder dhparam = new StringBuilder("dh2048.pem");
wolfssl.psk_delegate psk_cb = new wolfssl.psk_delegate(my_psk_server_cb);
StringBuilder buff = new StringBuilder(1024);
StringBuilder reply = new StringBuilder("Hello, this is the wolfSSL C# wrapper");
wolfssl.Init();
Console.WriteLine("Calling ctx Init from wolfSSL");
ctx = wolfssl.CTX_dtls_new(wolfssl.useDTLSv1_2_server());
if (ctx == IntPtr.Zero)
{
Console.WriteLine("Error creating ctx structure");
return;
}
Console.WriteLine("Finished init of ctx .... now load in cert and key");
if (!File.Exists(fileCert) || !File.Exists(fileKey))
{
Console.WriteLine("Could not find cert or key file");
wolfssl.CTX_free(ctx);
return;
}
if (wolfssl.CTX_use_certificate_file(ctx, fileCert, wolfssl.SSL_FILETYPE_PEM) != wolfssl.SUCCESS)
{
Console.WriteLine("Error setting cert file");
wolfssl.CTX_free(ctx);
return;
}
if (wolfssl.CTX_use_PrivateKey_file(ctx, fileKey, wolfssl.SSL_FILETYPE_PEM) != wolfssl.SUCCESS)
{
Console.WriteLine("Error setting key file");
wolfssl.CTX_free(ctx);
return;
}
/* Test psk use with DHE */
StringBuilder hint = new StringBuilder("cyassl server");
if (wolfssl.CTX_use_psk_identity_hint(ctx, hint) != wolfssl.SUCCESS)
{
Console.WriteLine("Error setting hint");
wolfssl.CTX_free(ctx);
return;
}
wolfssl.CTX_set_psk_server_callback(ctx, psk_cb);
short minDhKey = 128;
wolfssl.CTX_SetMinDhKey_Sz(ctx, minDhKey);
Console.Write("Setting cipher suite to ");
StringBuilder set_cipher = new StringBuilder("DHE-PSK-AES128-CBC-SHA256");
Console.WriteLine(set_cipher);
if (wolfssl.CTX_set_cipher_list(ctx, set_cipher) != wolfssl.SUCCESS)
{
Console.WriteLine("Failed to set cipher suite");
wolfssl.CTX_free(ctx);
return;
}
IPAddress ip = IPAddress.Parse("0.0.0.0");
UdpClient udp = new UdpClient(11111);
IPEndPoint ep = new IPEndPoint(ip, 11111);
Console.WriteLine("Started UDP and waiting for a connection");
ssl = wolfssl.new_ssl(ctx);
if (ssl == IntPtr.Zero)
{
Console.WriteLine("Error creating ssl object");
udp.Close();
wolfssl.CTX_free(ctx);
return;
}
if (wolfssl.SetTmpDH_file(ssl, dhparam, wolfssl.SSL_FILETYPE_PEM) != wolfssl.SUCCESS)
{
Console.WriteLine("Error in setting dhparam");
Console.WriteLine(wolfssl.get_error(ssl));
udp.Close();
clean(ssl, ctx);
return;
}
if (wolfssl.set_dtls_fd(ssl, udp, ep) != wolfssl.SUCCESS)
{
Console.WriteLine(wolfssl.get_error(ssl));
udp.Close();
clean(ssl, ctx);
return;
}
if (wolfssl.accept(ssl) != wolfssl.SUCCESS)
{
Console.WriteLine(wolfssl.get_error(ssl));
udp.Close();
clean(ssl, ctx);
return;
}
/* print out results of TLS/SSL accept */
Console.WriteLine("SSL version is " + wolfssl.get_version(ssl));
Console.WriteLine("SSL cipher suite is " + wolfssl.get_current_cipher(ssl));
/* get connection information and print ip - port */
wolfssl.DTLS_con con = wolfssl.get_dtls_fd(ssl);
Console.Write("Connected to ip ");
Console.Write(con.ep.Address.ToString());
Console.Write(" on port ");
Console.WriteLine(con.ep.Port.ToString());
/* read information sent and send a reply */
if (wolfssl.read(ssl, buff, 1023) < 0)
{
Console.WriteLine("Error reading message");
Console.WriteLine(wolfssl.get_error(ssl));
udp.Close();
clean(ssl, ctx);
return;
}
Console.WriteLine(buff);
if (wolfssl.write(ssl, reply, reply.Length) != reply.Length)
{
Console.WriteLine("Error writing message");
Console.WriteLine(wolfssl.get_error(ssl));
udp.Close();
clean(ssl, ctx);
return;
}
Console.WriteLine("At the end freeing stuff");
wolfssl.shutdown(ssl);
udp.Close();
clean(ssl, ctx);
}
/// <summary>
/// 构造函数，自动分配端口号
/// </summary>
public UdpSocketClient()
{
_udpClient = new UdpClient(0);
}
/// <summary>
/// Handles the callback.
/// </summary>
/// <param name="ar">The results</param>
private void ReceiveCallback(IAsyncResult ar)
{
UdpClient listener = (UdpClient)ar.AsyncState;
if (listener.Client == null)
{
return;
}
// WSAECONNRESET:
// The virtual circuit was reset by the remote side executing a hard or abortive close.
// The application should close the socket; it is no longer usable. On a UDP-datagram socket
// this error indicates a previous send operation resulted in an ICMP Port Unreachable message.
// Note the spocket settings on creation of the server. It makes us ignore these resets.
IPEndPoint senderEndpoint = new IPEndPoint(0, 0);
Byte[] receiveBytes;
try
{
receiveBytes = listener.EndReceive(ar, ref senderEndpoint);
}
catch (Exception e)
{
if (listener.Client == null)
{
return;
}
Log.Debug(e);
try
{
listener.BeginReceive(ReceiveCallback, listener);
}
catch (ObjectDisposedException dex)
{
// Log and move on. Should probably free up the player and remove them here.
Log.Debug(dex);
}
return;
}
if (receiveBytes.Length != 0)
{
if (listener.Client == null)
{
return;
}
listener.BeginReceive(ReceiveCallback, listener);
if (listener.Client == null)
{
return;
}
try
{
ProcessMessage(receiveBytes, senderEndpoint);
}
catch (Exception e)
{
Log.Error("Processing", e);
}
}
else
{
Log.Debug("Unexpected end of transmission?");
}
}
public ReceiverUdpClientBased(IPEndPoint withLockalEP)
{
LockalEndPoint = withLockalEP;
NetClient = new UdpClient(LockalEndPoint); //было LockalEndPoint.Port
_recieving_cancel = _recivingCancelTokenSource.Token;
}
/// <summary>
/// 启动服务
/// </summary>
public void Start()
{
_udpClient = new UdpClient(_port);
StartRecMsg();
HandleStarted?.BeginInvoke(null, null);
}
public Tftp(int localPort, string remoteIP, TftpMsg msg_CallBack)
{
this.remoteIP = remoteIP;
this.msg_CallBack = msg_CallBack;
client = new UdpClient(localPort);
}
public DataServer(int port)
{
_fileQueue = new ConcurrentQueue <string>();
_endPoint = new IPEndPoint(IPAddress.Any, port);
_listener = new UdpClient(_endPoint);
}
private async void StartSITL(string exepath, string model, string homelocation, string extraargs = "", int speedup = 1)
{
if (String.IsNullOrEmpty(homelocation))
{
CustomMessageBox.Show(Strings.Invalid_home_location, Strings.ERROR);
return;
}
if (!File.Exists(exepath))
{
CustomMessageBox.Show(Strings.Failed_to_download_the_SITL_image, Strings.ERROR);
return;
}
// kill old session
try
{
if (simulator != null)
{
simulator.Kill();
}
}
catch
{
}
// override default model
if (cmb_model.Text != "")
{
model = cmb_model.Text;
}
var config = await GetDefaultConfig(model);
if (!string.IsNullOrEmpty(config))
{
extraargs += @" --defaults """ + config + @"""";
}
extraargs += " " + txt_cmdline.Text + " ";
if (chk_wipe.Checked)
{
extraargs += " --wipe ";
}
string simdir = sitldirectory + model + Path.DirectorySeparatorChar;
Directory.CreateDirectory(simdir);
string path = Environment.GetEnvironmentVariable("PATH");
Environment.SetEnvironmentVariable("PATH", sitldirectory + ";" + simdir + ";" + path, EnvironmentVariableTarget.Process);
Environment.SetEnvironmentVariable("HOME", simdir, EnvironmentVariableTarget.Process);
ProcessStartInfo exestart = new ProcessStartInfo();
exestart.FileName = exepath;
exestart.Arguments = String.Format("-M{0} -O{1} -s{2} --uartA tcp:0 {3}", model, homelocation, speedup, extraargs);
exestart.WorkingDirectory = simdir;
exestart.WindowStyle = ProcessWindowStyle.Minimized;
exestart.UseShellExecute = true;
try
{
simulator = System.Diagnostics.Process.Start(exestart);
}
catch (Exception ex)
{
CustomMessageBox.Show("Failed to start the simulator\n" + ex.ToString(), Strings.ERROR);
return;
}
System.Threading.Thread.Sleep(2000);
MainV2.View.ShowScreen(MainV2.View.screens[0].Name);
var client = new Comms.TcpSerial();
try
{
client.client = new TcpClient("127.0.0.1", 5760);
MainV2.comPort.BaseStream = client;
SITLSEND = new UdpClient("127.0.0.1", 5501);
Thread.Sleep(200);
MainV2.instance.doConnect(MainV2.comPort, "preset", "5760");
}
catch
{
CustomMessageBox.Show(Strings.Failed_to_connect_to_SITL_instance, Strings.ERROR);
return;
}
}
private void SendWOL(byte[] macaddr, IPAddress ipaddr)
{
var packet = new List <byte>();
for (var i = 0; i < 6; i++)
{
packet.Add(0xFF);
}
for (var i = 0; i < 16; i++)
{
packet.AddRange(macaddr);
}
WriteDebug($"Sending UDP package to [{IPAddress.Broadcast}]:{42} with data\n{EncodingConverter.ByteArrayToHexDump(packet, ":", 6, "", true)}");
WriteDebug();
using (var client = new UdpClient())
{
client.Connect(IPAddress.Broadcast, 42);
client.Send(packet.ToArray(), packet.Count);
client.Close();
}
if (ipaddr != null && ipaddr.AddressFamily == AddressFamily.InterNetwork)
{
WriteDebug($"Trying to determine the broadcast adress for [{ipaddr}] in all available adapters");
WriteDebug();
foreach (var iface in NetworkInterface.GetAllNetworkInterfaces().Where(p => p.NetworkInterfaceType != NetworkInterfaceType.Loopback).OrderBy(p => p.OperationalStatus))
{
var anymatch = false;
foreach (var ipinfo in iface.GetIPProperties().UnicastAddresses.AsEnumerable().Where(p => p.Address.AddressFamily == AddressFamily.InterNetwork))
{
if (ipaddr.IsPartOfSubnet(ipinfo.Address, ipinfo.IPv4Mask))
{
WriteDebug($"Found matching subnet [{ipinfo.Address}|{ipinfo.IPv4Mask}] in adapter \"{iface.Name}\"");
WriteDebug();
anymatch = true;
var broadcast = ipinfo.Address.GetBroadcastAddress(ipinfo.IPv4Mask);
if (broadcast == null)
{
continue;
}
WriteDebug($"Sending UDP package to [{broadcast}]:{42} with data\n{EncodingConverter.ByteArrayToHexDump(packet, ":", 6, "", true)}");
WriteDebug();
using (var client = new UdpClient())
{
client.Connect(broadcast, 42);
client.Send(packet.ToArray(), packet.Count);
client.Close();
}
}
}
if (!anymatch)
{
WriteDebug($"Found no matching subnet in adapter \"{iface.Name}\"");
WriteDebug();
}
}
}
}
private void CreatePortMapListen(UdpClient udpClient, Mapping mapping)
{
IPEndPoint endPoint = new IPEndPoint(LocalAddress, PmpConstants.ServerPort);
while (true)
{
byte[] data = udpClient.Receive(ref endPoint);
if (data.Length < 16)
{
continue;
}
if (data[0] != PmpConstants.Version)
{
continue;
}
byte opCode = (byte)(data[1] & 127);
NetworkProtocolType protocol = NetworkProtocolType.Tcp;
if (opCode == PmpConstants.OperationCodeUdp)
{
protocol = NetworkProtocolType.Udp;
}
short resultCode = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, 2));
int epoch = IPAddress.NetworkToHostOrder(BitConverter.ToInt32(data, 4));
short privatePort = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, 8));
short publicPort = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(data, 10));
uint lifetime = (uint)IPAddress.NetworkToHostOrder(BitConverter.ToInt32(data, 12));
if (privatePort < 0 || publicPort < 0 || resultCode != PmpConstants.ResultCodeSuccess)
{
string[] errors = new[]
{
"Success",
"Unsupported Version",
"Not Authorized/Refused (e.g. box supports mapping, but user has turned feature off)"
,
"Network Failure (e.g. NAT box itself has not obtained a DHCP lease)",
"Out of resources (NAT box cannot create any more mappings at this time)",
"Unsupported opcode"
};
throw new MappingException(resultCode, errors[resultCode]);
}
if (lifetime == 0)
{
return; //mapping was deleted
}
//mapping was created
//TODO: verify that the private port+protocol are a match
mapping.PublicPort = publicPort;
mapping.NetworkProtocolType = protocol;
mapping.Expiration = DateTime.Now.AddSeconds(lifetime);
return;
}
}
public bool writeData(UdpClient client, string filePath, byte xor)
{
bool ret = true;
FileInfo fileInfo = new FileInfo(filePath);
long fileTotalLength = fileInfo.Length;
long fileWriteLenght = 0;
try
{
FileStream fileStreamIn = File.OpenRead(filePath);
byte[] buffer = new byte[TFTP_MAX_DATE_SIZE];
int readLenth = 0;
UInt16 nextBlock = 0;
do
{
readLenth = fileStreamIn.Read(buffer, 0, buffer.Length);
for (int i = 0; i < readLenth; ++i)
{
buffer[i] ^= xor;
}
nextBlock++;
WriteData outData;
outData.opCode = Utils.htons((UInt16)TftpCode.Data);
outData.block = Utils.htons(nextBlock);
outData.data = buffer;
byte[] bytes = Struct.StructToBytes(outData);
int count = 0;
bool replyOK = false;
do
{
try
{
IPEndPoint remoteIpEndPoint = new IPEndPoint(IPAddress.Parse(remoteIP), remotePort);
client.Send(bytes, Marshal.SizeOf(outData.opCode)
+ Marshal.SizeOf(outData.block) + readLenth, remoteIpEndPoint);
Reply reply;
do
{
IPEndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
byte[] receiveBytes = client.Receive(ref remoteEP);
reply = (Reply)Struct.BytesToStuct(receiveBytes, typeof(Reply));
reply.opCode = Utils.htons(reply.opCode);
reply.block = Utils.htons(reply.block);
} while ((reply.opCode != (UInt16)TftpCode.Ack) || (reply.block != nextBlock));
replyOK = true;
}
catch
{
count++;
msg_CallBack?.Invoke(TftpStatus.Err_Retry, count.ToString());
}
finally
{
if (count >= retryCnt)
{
ret = false;
}
}
} while ((replyOK == false) && (ret == true));
/* 发送进度 */
if (replyOK == true)
{
fileWriteLenght += readLenth;
int progress = (int)((float)fileWriteLenght / fileTotalLength * 100);
msg_CallBack?.Invoke(TftpStatus.WriteProgress, progress.ToString());
}
} while ((ret == true) && (readLenth >= TFTP_MAX_DATE_SIZE)); /* 最后的数据包长度为0时，仍要发送给服务器 */
if (ret == true)
{
msg_CallBack?.Invoke(TftpStatus.Success, "发送 [ " + fileWriteLenght.ToString() + "/" +
fileTotalLength.ToString() + " ] Bytes!");
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
return(false);
}
return(ret);
}
private void StartPing()
{
Logger.Info("Pinging Server - Starting");
byte[] 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;
}
_ready = true;
while (!_stop)
{
//Logger.Info("Pinging Server");
try
{
if (_listener != null)
{
_listener.Send(message, message.Length, _serverEndpoint);
}
}
catch (Exception e)
{
Logger.Error(e, "Exception Sending Audio Ping! " + e.Message);
}
//wait for cancel or quit
var cancelled = _pingStop.Token.WaitHandle.WaitOne(TimeSpan.FromSeconds(15));
if (cancelled)
{
return;
}
TimeSpan diff = TimeSpan.FromTicks(DateTime.Now.Ticks - _udpLastReceived);
//reconnect to UDP - port is no good!
if (diff.TotalSeconds > UDP_VOIP_TIMEOUT)
{
Logger.Error("VoIP Timeout - Recreating VoIP Connection");
_ready = false;
try
{
_listener?.Close();
}catch (Exception ex)
{ }
_listener = null;
_udpLastReceived = 0;
_listener = new UdpClient();
try
{
_listener.AllowNatTraversal(true);
}
catch { }
try
{
// Force immediate ping once to avoid race condition before starting to listen
_listener.Send(message, message.Length, _serverEndpoint);
_ready = true;
Logger.Error("VoIP Timeout - Success Recreating VoIP Connection");
}
catch (Exception e) {
Logger.Error(e, "Exception Sending Audio Ping! " + e.Message);
}
}
}
});
thread.Start();
}
/// <summary>
/// Enable detailed SIP log messages.
/// </summary>
private static void EnableTraceLogs(SIPTransport sipTransport)
{
UdpClient homerSIPClient = null;
if (HOMER_SERVER_ADDRESS != null)
{
homerSIPClient = new UdpClient(0, AddressFamily.InterNetwork);
}
sipTransport.SIPRequestInTraceEvent += (localEP, remoteEP, req) =>
{
Log.LogDebug($"Request received: {localEP}<-{remoteEP}");
Log.LogDebug(req.ToString());
if (homerSIPClient != null)
{
var hepBuffer = HepPacket.GetBytes(remoteEP, localEP, DateTime.Now, 333, "myHep", req.ToString());
homerSIPClient.SendAsync(hepBuffer, hepBuffer.Length, HOMER_SERVER_ADDRESS, HOMER_SERVER_PORT);
}
};
sipTransport.SIPRequestOutTraceEvent += (localEP, remoteEP, req) =>
{
Log.LogDebug($"Request sent: {localEP}->{remoteEP}");
Log.LogDebug(req.ToString());
if (homerSIPClient != null)
{
var hepBuffer = HepPacket.GetBytes(localEP, remoteEP, DateTime.Now, 333, "myHep", req.ToString());
homerSIPClient.SendAsync(hepBuffer, hepBuffer.Length, HOMER_SERVER_ADDRESS, HOMER_SERVER_PORT);
}
};
sipTransport.SIPResponseInTraceEvent += (localEP, remoteEP, resp) =>
{
Log.LogDebug($"Response received: {localEP}<-{remoteEP}");
Log.LogDebug(resp.ToString());
if (homerSIPClient != null)
{
var hepBuffer = HepPacket.GetBytes(remoteEP, localEP, DateTime.Now, 333, "myHep", resp.ToString());
homerSIPClient.SendAsync(hepBuffer, hepBuffer.Length, HOMER_SERVER_ADDRESS, HOMER_SERVER_PORT);
}
};
sipTransport.SIPResponseOutTraceEvent += (localEP, remoteEP, resp) =>
{
Log.LogDebug($"Response sent: {localEP}->{remoteEP}");
Log.LogDebug(resp.ToString());
if (homerSIPClient != null)
{
var hepBuffer = HepPacket.GetBytes(localEP, remoteEP, DateTime.Now, 333, "myHep", resp.ToString());
homerSIPClient.SendAsync(hepBuffer, hepBuffer.Length, HOMER_SERVER_ADDRESS, HOMER_SERVER_PORT);
}
};
sipTransport.SIPRequestRetransmitTraceEvent += (tx, req, count) =>
{
Log.LogDebug($"Request retransmit {count} for request {req.StatusLine}, initial transmit {DateTime.Now.Subtract(tx.InitialTransmit).TotalSeconds.ToString("0.###")}s ago.");
};
sipTransport.SIPResponseRetransmitTraceEvent += (tx, resp, count) =>
{
Log.LogDebug($"Response retransmit {count} for response {resp.ShortDescription}, initial transmit {DateTime.Now.Subtract(tx.InitialTransmit).TotalSeconds.ToString("0.###")}s ago.");
};
}
