public async Task <bool> InitializeRecv()
{
recvInitialized = false;
try
{
if (msocketRecv != null)
{
msocketRecv.MessageReceived -= UDPMulticastMessageReceived;
msocketRecv.Dispose();
msocketRecv = null;
}
msocketRecv = new DatagramSocket();
msocketRecv.MessageReceived += UDPMulticastMessageReceived;
NetworkAdapter adapter = GetDefaultNetworkAdapter();
if (adapter != null)
{
await msocketRecv.BindServiceNameAsync(mPort);
}
// await msocketRecv.BindServiceNameAsync(mPort, adapter);
else
{
await msocketRecv.BindServiceNameAsync(mPort);
}
HostName mcast = new HostName(mAddress);
msocketRecv.JoinMulticastGroup(mcast);
mLastIDReceived = 0;
recvInitialized = true;
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Exception while listening: " + e.Message);
recvInitialized = false;
}
return(recvInitialized);
}
async Task <bool> InitializeMulticastRecv()
{
try
{
if (msocketRecv != null)
{
msocketRecv.MessageReceived -= UDPMulticastMessageReceived;
msocketRecv.Dispose();
msocketRecv = null;
}
msocketRecv = new DatagramSocket();
msocketRecv.Control.MulticastOnly = true;
msocketRecv.MessageReceived += UDPMulticastMessageReceived;
NetworkAdapter adapter = GetDefaultNetworkAdapter(SendInterfaceAddress);
if (adapter != null)
{
await msocketRecv.BindServiceNameAsync(MulticastUDPPort.ToString(), adapter);
}
else
{
await msocketRecv.BindServiceNameAsync(MulticastUDPPort.ToString());
}
HostName mcast = new HostName(MulticastIPAddress);
msocketRecv.JoinMulticastGroup(mcast);
return(true);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Exception while listening: " + e.Message);
}
return(false);
}
/// <summary>
/// Initiates the Discovery System Client.
/// </summary>
/// <param name="name">This is the port the system will listen for and broadcast udp packets</param>
/// <param name="deviceInfo">A JSON object containing all the relevant device info</param>
public override async void Initialize(string name, object deviceInfo)
{
Debug.WriteLine($"Discovery System: Initializing {name}");
try
{
// Set the device name
this.name = name;
// Set initial variables
DeviceInfo = deviceInfo;
// Setup a UDP socket listener
socket.MessageReceived += ReceivedDiscoveryMessage;
await socket.BindServiceNameAsync(udpPort.ToString());
// Tell the world you exist
SendDiscoveryResponseMessage();
// Find out who else is out there
Discover();
// Set up the rest API
InitializeRestApi(tcpPort);
Debug.WriteLine("Discovery System: Success");
}
catch (Exception ex)
{
Debug.WriteLine("Discovery System: Failure");
Debug.WriteLine("Reason: " + ex.Message);
}
}
public async Task Bind()
{
if (string.IsNullOrEmpty(_datagram.Information.LocalPort))
{
await _datagram.BindServiceNameAsync(_port.ToString());
}
}
async Task <bool> InitializeUnicastRecv()
{
try
{
if (usocketRecv != null)
{
usocketRecv.MessageReceived -= UDPUnicastMessageReceived;
usocketRecv.Dispose();
usocketRecv = null;
}
usocketRecv = new DatagramSocket();
usocketRecv.MessageReceived += UDPUnicastMessageReceived;
// NetworkAdapter adapter = GetDefaultNetworkAdapter();
// if (adapter != null)
// await msocketRecv.BindServiceNameAsync(UnicastUDPPort.ToString(), adapter);
// else
await usocketRecv.BindServiceNameAsync(UnicastUDPPort.ToString());
return(true);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Exception while listening: " + e.Message);
}
return(false);
}
public async Task <bool> InitializeSend()
{
sendInitialized = false;
try
{
if (msocketSend != null)
{
// msocketSend.MessageReceived -= UDPMulticastMessageReceived;
msocketSend.Dispose();
msocketSend = null;
}
msocketSend = new DatagramSocket();
// msocketSend.MessageReceived += UDPMulticastMessageReceived;
NetworkAdapter adapter = GetDefaultNetworkAdapter();
if (adapter != null)
{
await msocketSend.BindServiceNameAsync("", adapter);
}
mLastIDSent = 0;
sendInitialized = true;
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Exception while initializing: " + e.Message);
sendInitialized = false;
}
return(sendInitialized);
}
async Task <bool> InitializeSend()
{
bool result = false;
try
{
if (msocketSend != null)
{
msocketSend.Dispose();
msocketSend = null;
}
msocketSend = new DatagramSocket();
NetworkAdapter adapter = GetDefaultNetworkAdapter(SendInterfaceAddress);
if (adapter != null)
{
await msocketSend.BindServiceNameAsync("", adapter);
}
result = true;
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("Exception while initializing: " + e.Message);
result = false;
}
return(result);
}
private async void CreateSocketsAsync()
{
receivingUdp = new DatagramSocket();
receivingUdp.MessageReceived += ReceivingUdp_MessageReceived;
await receivingUdp.BindServiceNameAsync(UDPListenerPort.ToString());
}
public static async void init(TiSettings settings)
{
if (!settings.ContainsKey("logToken") || settings["logToken"].Length == 0)
{
return;
}
logToken = settings["logToken"];
multicastSocket = new DatagramSocket();
multicastSocket.MessageReceived += multicastSocket_MessageReceived;
HostName hostname = new HostName("239.6.6.6");
try {
await multicastSocket.BindServiceNameAsync("8666");
multicastSocket.JoinMulticastGroup(hostname);
IOutputStream stream = await multicastSocket.GetOutputStreamAsync(hostname, "8666");
DataWriter writer = new DataWriter(stream);
writer.WriteString("TI_WP8_LOGGER");
await writer.StoreAsync();
writer.DetachStream();
stream.Dispose();
} catch (Exception ex) {
if (SocketError.GetStatus(ex.HResult) == SocketErrorStatus.Unknown)
{
throw;
}
Debug.WriteLine(ex.ToString());
}
}
public static async Task ConnectAsync(string hostName = HOST_NAME, string port = REMOTE_PORT)
{
if (!StubMode)
{
#if WINDOWS_APP || WINDOWS_PHONE_APP
// Set up the UDP connection.
var droneIP = new HostName(hostName);
udpSocket = new DatagramSocket();
await udpSocket.BindServiceNameAsync(port);
await udpSocket.ConnectAsync(droneIP, port);
udpWriter = new DataWriter(udpSocket.OutputStream);
udpWriter.WriteByte(1);
await udpWriter.StoreAsync();
#else
udpSocket = new UdpClient();
udpSocket.Connect(hostName, int.Parse(port));
byte[] datagram = new byte[1] {
1
};
await udpSocket.SendAsync(datagram, datagram.Length);
#endif
}
var loop = Task.Run(() => DroneLoop());
}
private async void FindHostIP()
{
//Open up a socket
_listener = new DatagramSocket();
//Add MessageReceived Event
_listener.MessageReceived += MessageReceived;
//Important for async access
CoreApplication.Properties.Add("listener", _listener);
// Start listen operation.
try
{
UpdateUi("Finding Ev3 IP Address.. Please Wait");
_listener.Control.InboundBufferSizeInBytes = _EV3_INBOUND_BUFFER_SIZE;
//Await Message
await _listener.BindServiceNameAsync(_EV3_PORT);
}
catch (Exception e)
{
UpdateUi(" Connection Error " + e.Message);
}
}
public UdpNetworkListenManager(int port)
{
#if UNITY_UWP
Task.Run(async() =>
{
socket = new DatagramSocket();
socket.MessageReceived += MessageReceived;
await socket.BindServiceNameAsync(port.ToString());
});
#elif UNITY_EDITOR || UNITY_STANDALONE
thread = new Thread(() => {
ListenFlag = true;
UdpClient udpclient = new UdpClient(port);
udpclient.Client.ReceiveTimeout = 100;
IPEndPoint remote = new IPEndPoint(IPAddress.Any, port);
while (ListenFlag)
{
try
{
byte[] bytes = udpclient.Receive(ref remote);
if (UdpNetworkListenEvent != null)
{
UdpNetworkListenEvent(Encoding.UTF8.GetString(bytes), remote.Address.ToString());
}
}
catch (Exception) { }
}
udpclient.Close();
});
thread.Start();
#endif
}
/// <summary>
/// Starts the listening for Udp-Broadcast Packets.
/// </summary>
public async void GetRobotUriAsync()
{
_listener = new DatagramSocket();
_listener.Control.InboundBufferSizeInBytes = 100;
_listener.MessageReceived += Listener_MessageReceived;
await _listener.BindServiceNameAsync(_port.ToString());
}
public async void InitializeSockets()
{
if (SocketsAreConnected)
{
return;
}
ab = new DatagramSocket();
scr = new DatagramSocket();
ab.MessageReceived += ClientSocketMessageReceived;
scr.MessageReceived += ClientSocketMessageReceived2;
try
{
await ab.BindServiceNameAsync("11444");
await scr.BindServiceNameAsync("11445");
}
catch (Exception exception)
{
if (SocketError.GetStatus(exception.HResult) == SocketErrorStatus.Unknown)
{
throw;
}
// DebugLogOut("Error: Start Listen failed: " + exception.Message);
return;
}
SocketsAreConnected = true;
}
//Bind socket to port
public bool Bind(ref NetEndPoint ep)
{
_datagramSocket = new DatagramSocket();
_datagramSocket.Control.DontFragment = true;
_datagramSocket.MessageReceived += OnMessageReceived;
try
{
if (ep.HostName == null)
{
_datagramSocket.BindServiceNameAsync(ep.PortStr).GetResults();
}
else
{
_datagramSocket.BindEndpointAsync(ep.HostName, ep.PortStr).GetResults();
}
ep = new NetEndPoint(_datagramSocket.Information.LocalAddress, _datagramSocket.Information.LocalPort);
}
catch (Exception)
{
return(false);
}
return(true);
}
private async void StartUDPServer(string port)
{
var serverDatagramSocket = new DatagramSocket();
serverDatagramSocket.MessageReceived += ServerDatagramSocket_MessageReceived;
await serverDatagramSocket.BindServiceNameAsync(port);
}
static async Task BindToSocketAndWriteQuery(DatagramSocket socket, byte[] bytes, CancellationToken cancellationToken)
{
#if WINDOWS_UWP
// Set control option for multicast. This enables re-use of the port, which is always in use under Windows 10 otherwise.
socket.Control.MulticastOnly = true;
#endif
await socket.BindServiceNameAsync("5353") // binds to the local IP addresses of all network interfaces on the local computer if no adapter is specified
.AsTask(cancellationToken)
.ConfigureAwait(false);
socket.JoinMulticastGroup(new HostName("224.0.0.251"));
var os = await socket.GetOutputStreamAsync(new HostName("224.0.0.251"), "5353")
.AsTask(cancellationToken)
.ConfigureAwait(false);
using (var writer = new DataWriter(os))
{
writer.WriteBytes(bytes);
await writer.StoreAsync()
.AsTask(cancellationToken)
.ConfigureAwait(false);
Debug.WriteLine("Sent mDNS query");
writer.DetachStream();
}
}
public override async void Start()
{
if (_Started)
{
return;
}
_SequenceNumber = 1;
try
{
// Connect to the Drone
udpClient = new DatagramSocket();
await udpClient.BindServiceNameAsync(_ServiceName);
await udpClient.ConnectAsync(new HostName(DroneClient.Host), _ServiceName);
udpWriter = new DataWriter(udpClient.OutputStream);
udpWriter.WriteByte(1);
await udpWriter.StoreAsync();
_Timer = ThreadPoolTimer.CreatePeriodicTimer(new TimerElapsedHandler(timerElapsedHandler), TimeSpan.FromMilliseconds(25));
_Started = true;
}
catch (Exception)
{
Stop();
}
}
public FalconOperationResult TryStart()
{
try
{
datagramSocket = new DatagramSocket();
SetEF();
datagramSocket.MessageReceived += OnMessageReceived;
// HACK: We know this is not an async op and will be run in-line so avoid breaking our API
// and "wait" for op to complete.
//
var asyncOp = datagramSocket.BindServiceNameAsync(localPeer.Port.ToString());
var task = asyncOp.AsTask();
task.Wait();
return(FalconOperationResult.SuccessResult);
}
catch (AggregateException aex)
{
// e.g. address already in use
return(new FalconOperationResult(aex.InnerExceptions.Count > 0 ? aex.InnerExceptions[0] : aex));
}
}
private async void ConnectUdpReceive_Click_1(object sender, RoutedEventArgs e)
{
try
{
if (receiveSocket == null)
{
receiveSocket = new DatagramSocket();
// MessageReceived handler must be set before BindServiceAsync is called, if not
// "A method was called at an unexpected time. (Exception from HRESULT:
// 0x8000000E)" exception is thrown.
receiveSocket.MessageReceived += OnMessageReceived;
// If port is already in used by another socket, "Only one usage of each socket
// address (protocol/network address/port) is normally permitted. (Exception from
// HRESULT: 0x80072740)" exception is thrown.
await receiveSocket.BindServiceNameAsync("2704");
DisplayOutput(UdpReceiveOutput, "Connected (bound).");
}
}
catch (Exception ex)
{
DisplayOutput(UdpReceiveOutput, ex.ToString());
}
}
public async void StartListening()
{
if (IsListening)
{
return;
}
IsListening = true;
socket = new DatagramSocket();
socket.Control.MulticastOnly = false;
socket.MessageReceived += SocketOnMessageReceived;
try
{
await socket.BindServiceNameAsync(listenPort.ToString());
HostName remoteHost = new HostName("255.255.255.255");
IOutputStream outputStream = await socket.GetOutputStreamAsync(remoteHost, listenPort.ToString());
DataWriter writer = new DataWriter(outputStream);
writer.WriteString("1");
await writer.StoreAsync();
}
catch (Exception e) { }
}
public IAsyncAction Start()
{
return(Task.Run(async() =>
{
if (isStarted)
{
return;
}
multicastSsdpSocket = new DatagramSocket();
multicastSsdpSocket.MessageReceived += MulticastSsdpSocket_MessageReceived;
multicastSsdpSocket.Control.MulticastOnly = true;
await multicastSsdpSocket.BindServiceNameAsync(Constants.SSDP_PORT);
multicastSsdpSocket.JoinMulticastGroup(Constants.SSDP_HOST);
unicastLocalSocket = new DatagramSocket();
unicastLocalSocket.MessageReceived += UnicastLocalSocket_MessageReceived;
await unicastLocalSocket.BindServiceNameAsync("");
logger.WriteLine($"ControlPoint: Bind to port :{unicastLocalSocket.Information.LocalPort} for UNICAST search responses.");
NetworkInformation.NetworkStatusChanged += NetworkInformation_NetworkStatusChanged;
networks = GetNetworks();
isStarted = true;
logger.WriteLine("ControlPoint started.");
}).AsAsyncAction());
}
public override async void Start()
{
if (_Started)
{
return;
}
_SequenceNumber = 1;
// Connect To Drone
udpClient = new DatagramSocket();
await udpClient.BindServiceNameAsync(_ServiceName);
await udpClient.ConnectAsync(new HostName(DroneClient.Host), _ServiceName);
udpWriter = new DataWriter(udpClient.OutputStream);
//string path = string.Format("AR.Drone-CommandHistory_{0:yyyy-MM-dd-HH-mm}.txt", DateTime.Now);
//commandHistoryFile = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(path, CreationCollisionOption.ReplaceExisting);
// Write first message
//byte[] firstMessage = BitConverter.GetBytes(1);
//WriteString(firstMessage.ToString());
udpWriter.WriteByte(1);
await udpWriter.StoreAsync();
_Timer = ThreadPoolTimer.CreatePeriodicTimer(new TimerElapsedHandler(timerElapsedHandler), TimeSpan.FromMilliseconds(25));
_Started = true;
}
/// <summary>
/// This is only used by Webfront class. Thus only one listen Port while multiple send ports
/// are used by Curtain Motor and light dimmers
/// </summary>
public void Initialise()
{
//Initialise the Automation Objects
//Add the Automation Objects
for (int i = 0; i < Constants.ROOMS; i++)
{
//Add Temperature Monitor Objects
TemperatureMonitor tm = new TemperatureMonitor();
tm.EstablishConnection(Constants.TemperatureMonitorAddress[i], Constants.TEMPSOCKET);
Temperatures.Add(tm);
//Add Intruder Detectors
IntruderDetect detector = new IntruderDetect();
detector.EstablishConnection(Constants.IntruderDetectAddress[i], Constants.INTRUDERSOCKET);
Detectors.Add(detector);
}
//Initialise the buffer for storing Temperatures strings
temperatureAlerts = new string[Constants.ROOMS];
for (int i = 0; i < Constants.ROOMS; i++)
{
temperatureAlerts[i] = "No Connectivity to Room: " + (i + 1).ToString() + "\n";
}
GuestSocket.MessageReceived += MessageReceivedAsync;
GuestSocket.BindServiceNameAsync(Constants.LISTENPORT).AsTask().Wait();
}
private async void Send_Click(object sender, RoutedEventArgs e)
{
Send.IsEnabled = false;
var socket = new DatagramSocket();
try
{
var address = Address.Text.Split(':');
string host = address[0], port = address[1];
await socket.BindServiceNameAsync("1902");
var outputStream = await socket.GetOutputStreamAsync(new HostName(host), port);
var writer = new DataWriter(outputStream);
writer.WriteString(Message.Text);
await writer.StoreAsync();
socket.Dispose();
}
catch (Exception ex)
{
logger.WriteLine(ex.ToString());
}
finally
{
socket.Dispose();
Send.IsEnabled = true;
}
}
private async Task JitterCalculation()
{
datagramSocket = new DatagramSocket();
datagramSocket.MessageReceived += delegate(DatagramSocket socket, DatagramSocketMessageReceivedEventArgs args)
{
System.Diagnostics.Debug.WriteLine("[ProfileNetworkFull]: Jitter Finish");
};
string port = server.JitterTestPort.ToString();
await datagramSocket.BindServiceNameAsync(port);
using (DataWriter writer = new DataWriter(await datagramSocket.GetOutputStreamAsync(hostName, port)))
{
for (int i = 0; i < 21; i++)
{
writer.WriteString("jitter");
await writer.StoreAsync();
await writer.FlushAsync();
await Task.Delay(250);
}
}
Close(ref datagramSocket);
}
public static async Task Init()
{
ClearPrevious();
try
{
if (App.isRPi)
{
await InitCamera(1, IMAGE_QUALITY_PERCENT, VIDEO_SUBTYP, VIDEO_RES);
socket = new DatagramSocket();
socket.MessageReceived += MessageReceived;
HostName hn = new HostName(hostName);
await socket.ConnectAsync(hn, hostPort).AsTask();
Debug.WriteLine("Connected to remote camera " + hn + ":" + hostPort);
socketIsConnected = true;
}
else
{
listener = new DatagramSocket();
listener.MessageReceived += MessageReceived;
await listener.BindServiceNameAsync(hostPort).AsTask();
Debug.WriteLine("Remote camera listening on port " + hostPort);
listenerHasStarted = true;
}
}
catch (Exception ex)
{
Debug.WriteLine("Error initializing camera: " + ex.Message);
}
}
private async Task Connect()
{
if (_isBound || _isBinding)
{
return;
}
lock (_lock)
{
if (_isBound || _isBinding)
{
return;
}
_isBinding = true;
}
var possibleConnectionProfiles = NetworkInformation.GetConnectionProfiles()
.Where(p => p.IsWlanConnectionProfile && p.GetNetworkConnectivityLevel() != NetworkConnectivityLevel.None)
.ToList();
var connectionProfile = possibleConnectionProfiles.FirstOrDefault();
if (connectionProfile != null)
{
await _socket.BindServiceNameAsync(_ipAddress.ServiceName, connectionProfile.NetworkAdapter);
}
_isBound = true;
_isBinding = false;
}
public DiscoveryServerService(ISettingsService settingsService)
{
_settingsService = settingsService ?? throw new ArgumentNullException(nameof(settingsService));
_socket.MessageReceived += SendResponseAsync;
_socket.BindServiceNameAsync(Port.ToString()).GetAwaiter().GetResult();
}
public async void ConnectUDP(NetworkConnectionEndpoint remoteNetworkConnectionEndpoint)
{
if (!IsUDPSetup)
{
InitUDP();
}
if (IsUDPConnected)
{
ResetUDP(); InitUDP();
}
try
{
Debug.WriteLine("Binding UDPPort");
await m_datagramSocket.BindServiceNameAsync(remoteNetworkConnectionEndpoint.Port);
Debug.WriteLine("Connecting UDPSocket");
await m_datagramSocket.ConnectAsync(remoteNetworkConnectionEndpoint.HostName, remoteNetworkConnectionEndpoint.Port);
Debug.WriteLine("Creating UDPDataWriter");
m_udpDataWriter = new DataWriter(m_datagramSocket.OutputStream);
Debug.WriteLine("Completed UDP");
UDPNetworkConnectionEndpoint = remoteNetworkConnectionEndpoint;
IsUDPConnected = true;
Debug.WriteLine("UDP Connected: " + UDPNetworkConnectionEndpoint.ToString());
}
catch (Exception ex) { Debug.WriteLine(DebugTools.PrintOutException("ConnectUDP", ex)); }
}
public bool Bind(int port)
{
_datagramSocket = new DatagramSocket();
_datagramSocket.Control.InboundBufferSizeInBytes = NetConstants.SocketBufferSize;
_datagramSocket.Control.DontFragment = true;
_datagramSocket.Control.OutboundUnicastHopLimit = NetConstants.SocketTTL;
_datagramSocket.MessageReceived += OnMessageReceived;
try
{
_datagramSocket.BindServiceNameAsync(port.ToString()).AsTask().Wait();
_datagramSocket.JoinMulticastGroup(MulticastAddressV6);
_localEndPoint = new NetEndPoint(_datagramSocket.Information.LocalAddress, _datagramSocket.Information.LocalPort);
}
catch (Exception ex)
{
NetUtils.DebugWriteError("[B]Bind exception: {0}", ex.ToString());
return false;
}
return true;
}
