public IPAddress(uint value)
{
m_addressBytes = IPAddressHelper.GetAddressBytes(value);
m_value = value;
m_stringValue = IPAddressHelper.GetAddressString(m_addressBytes);
m_hostName = new HostName(m_stringValue);
}
/// <summary>
/// Attempt a TCP socket connection to the given host over the given port
/// </summary>
/// <param name="serverAddress">The address of the server</param>
/// <param name="portNumber">The port number to connect</param>
private bool Connect(string serverAddress, int portNumber) {
HostName serverHost = new HostName(serverAddress);
mSocket = new StreamSocket();
mSocket.Control.KeepAlive = true;
Task connectTask = mSocket.ConnectAsync(serverHost, portNumber.ToString()).AsTask();
try {
if(!connectTask.Wait(TIMEOUT)) {
// timed out connecting to the server
System.Diagnostics.Debug.WriteLine("Timed out connecting to TCP server");
return false;
}
} catch(AggregateException a) {
// exception when running connect task. failed to connect to server
System.Diagnostics.Debug.WriteLine("Failed to connect to TCP server. Error: " + a.GetBaseException().Message);
return false;
}
// set up the writer
writer = new DataWriter(mSocket.OutputStream);
// set up the reader
reader = new DataReader(mSocket.InputStream);
reader.InputStreamOptions = InputStreamOptions.Partial; // Set inputstream options so that we don't have to know the data size
// start listening for messages
Task.Run(() => StartReceiving()); // start receiving on a new thread
Task.Run(() => StartKeepAlive()); // start receiving on a new thread
return true;
}
private async void ConnectUWP(string host, string port)
#endif
{
#if UNITY_EDITOR
StatusTextManager.GetComponent <TextMesh>().text = "UWP TCP client used in Unity!";
#else
try
{
if (exchangeTask != null)
{
StopExchange();
}
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
await socket.ConnectAsync(serverHost, port);
Stream streamOut = socket.OutputStream.AsStreamForWrite();
writer = new StreamWriter(streamOut)
{
AutoFlush = true
};
Stream streamIn = socket.InputStream.AsStreamForRead();
reader = new StreamReader(streamIn);
RestartExchange();
StatusTextManager.GetComponent <TextMesh>().text = "Connected!";
}
catch (Exception e)
{
errorStatus = e.ToString();
}
#endif
}
public async void DoesAThing()
{
var hostName = new HostName("stun.l.google.com");
var port = 19302;
var taskCompletionSource = new TaskCompletionSource<StunUri>();
using (var datagramSocket = new DatagramSocket())
{
datagramSocket.MessageReceived += async (sender, e) =>
{
var buffer = await e.GetDataStream().ReadAsync(null, 100, InputStreamOptions.None).AsTask();
var stunMessage = StunMessage.Parse(buffer.ToArray());
var xorMappedAddressStunMessageAttribute = stunMessage.Attributes.OfType<XorMappedAddressStunMessageAttribute>().Single();
taskCompletionSource.SetResult(new StunUri(xorMappedAddressStunMessageAttribute.HostName, xorMappedAddressStunMessageAttribute.Port));
};
using (var inMemoryRandomAccessStream = new InMemoryRandomAccessStream())
{
var stunMessageId = new StunMessageId(CryptographicBuffer.GenerateRandom(12).ToArray());
var stunMessageType = StunMessageType.BindingRequest;
var stunMessageAttributes = new StunMessageAttribute[] { };
var stunMessage = new StunMessage(stunMessageType, stunMessageAttributes, stunMessageId);
var bytes = stunMessage.ToLittleEndianByteArray();
var outputStream = await datagramSocket.GetOutputStreamAsync(hostName, $"{port}");
var written = await outputStream.WriteAsync(bytes.AsBuffer());
}
}
var result = await taskCompletionSource.Task;
Assert.AreEqual(result.HostName, new HostName("200.100.50.25"));
Assert.AreEqual(result.Port, 12345);
}
public FrameUploader(string id, IPAddress address, int port)
{
_host = new HostName(address.ToString());
_port = port.ToString();
_cameraId = id;
UploadComplete = () => { };
}
/// <summary>
/// Creates a new instance of SmtpSocket.
/// </summary>
/// <param name="server">Server host name.</param>
/// <param name="port">Port (usually 25).</param>
/// <param name="ssl">SSL/TLS support.</param>
public SmtpSocket(string server, int port, bool ssl)
{
_host = new HostName(server);
_socket = new StreamSocket();
_port = port;
_ssl = ssl;
}
private async Task ConnectAsyncInternal(HostName hostName)
{
_tokenSource = new CancellationTokenSource();
_socket = new StreamSocket();
// połącz z kontrolerem na porcie 5555
await _socket.ConnectAsync(hostName, "5555", SocketProtectionLevel.PlainSocket);
// wyslij komendę odblokowującą
await _socket.OutputStream.WriteAsync(Encoding.UTF8.GetBytes(UnlockCommand).AsBuffer());
// read the "Accept:EV340\r\n\r\n" response
//stworzenie bufor na odpowiedź
IBuffer bufferResponse = new Buffer(128);
//pobranie do bufora odpowiedzi przychodzącej od kontrolera EV3
await _socket.InputStream.ReadAsync(bufferResponse, bufferResponse.Capacity, InputStreamOptions.Partial);
//przekształcenie danych z bufora na ciag znaków w formacie UTF8
string response = Encoding.UTF8.GetString(bufferResponse.ToArray(), 0, (int)bufferResponse.Length);
if (string.IsNullOrEmpty(response))
//zgłoszenie błędu w razie braku odpowiedzi
throw new Exception("LEGO EV3 brick did not respond to the unlock command.");
//rozpoczęcie pobierania danych
await ThreadPool.RunAsync(PollInput);
}
private void ProcessDeviceDiscoveryMessage(HostName remoteAddress, string remotePort, LifxResponse msg)
{
if (DiscoveredBulbs.ContainsKey(remoteAddress.ToString())) //already discovered
{
DiscoveredBulbs[remoteAddress.ToString()].LastSeen = DateTime.UtcNow; //Update datestamp
return;
}
if (msg.Source != discoverSourceID || //did we request the discovery?
_DiscoverCancellationSource == null ||
_DiscoverCancellationSource.IsCancellationRequested) //did we cancel discovery?
return;
var device = new LightBulb()
{
HostName = remoteAddress,
Service = msg.Payload[0],
Port = BitConverter.ToUInt32(msg.Payload, 1),
LastSeen = DateTime.UtcNow
};
DiscoveredBulbs[remoteAddress.ToString()] = device;
devices.Add(device);
if (DeviceDiscovered != null)
{
DeviceDiscovered(this, new DeviceDiscoveryEventArgs() { Device = device });
}
}
/// <summary>
/// Checks if remote is reachable. RT apps cannot do loopback so this will alway return false.
/// You can use it to check remote calls though.
/// </summary>
/// <param name="host"></param>
/// <param name="msTimeout"></param>
/// <returns></returns>
public override async Task<bool> IsReachable(string host, int msTimeout = 5000)
{
if (string.IsNullOrEmpty(host))
throw new ArgumentNullException("host");
if (!IsConnected)
return false;
try
{
var serverHost = new HostName(host);
using(var client = new StreamSocket())
{
await client.ConnectAsync(serverHost, "http");
return true;
}
}
catch(Exception ex)
{
Debug.WriteLine("Unable to reach: " + host + " Error: " + ex);
return false;
}
}
private void ConnectUWP(string host, string port)
#endif
{
#if UNITY_EDITOR
errorStatus = "UWP TCP client used in Unity!";
#else
try
{
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
socket.ConnectAsync(serverHost, port);
Stream streamOut = socket.OutputStream.AsStreamForWrite();
writer = new StreamWriter(streamOut)
{
AutoFlush = true
};
Stream streamIn = socket.InputStream.AsStreamForRead();
reader = new StreamReader(streamIn);
Debug.Log("success connected to" + host);
}
catch (Exception e)
{
errorStatus = e.ToString();
Debug.Log("Error could not connect to" + host);
isConnected = false;
return;
}
#endif
isConnected = true;
}
private async void ConnectUWP(string host, string port)
{
try
{
if (exchangeTask != null)
{
StopExchange();
}
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
await socket.ConnectAsync(serverHost, port);
Stream streamOut = socket.OutputStream.AsStreamForWrite();
writer = new StreamWriter(streamOut)
{
AutoFlush = true
};
Stream streamIn = socket.InputStream.AsStreamForRead();
reader = new StreamReader(streamIn);
}
catch (Exception e)
{
e.ToString();
}
}
//Connects to server
public async Task connect(string address, int port)
{
if (!this.connected)
{
try
{
this.socket = new StreamSocket();
this.hostname = new HostName(address);
this.port = port;
await this.socket.ConnectAsync(this.hostname, port.ToString());
this.writer = new DataWriter(this.socket.OutputStream);
this.reader = new DataReader(this.socket.InputStream);
this.reader.InputStreamOptions = InputStreamOptions.Partial;
connected = true;
}
catch (Exception e)
{
connected = false;
Debug.WriteLine(e.Message);
}
}
else
{
await new MessageDialog("Already connected", "Information").ShowAsync();
connected = true;
}
}
public Settings()
{
socket = new StreamSocket();
ConnectToServer();
host = new HostName("192.168.12.171");
this.InitializeComponent();
}
private async void ConnectSocket_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(ServiceNameForConnect.Text))
{
rootPage.NotifyUser("请提供服务器名", NotifyType.ErrorMessage);
return;
}
HostName hostName;
try
{
hostName = new HostName(HostNameForConnect.Text);
}
catch (ArgumentException)
{
rootPage.NotifyUser("错误：无效主机名", NotifyType.ErrorMessage);
return;
}
rootPage.NotifyUser("连接至" + HostNameForConnect.Text, NotifyType.StatusMessage);
using (StreamSocket socket = new StreamSocket())
{
socket.Control.ClientCertificate = null;
bool shouldRetry = await TryConnectSocketWithRetryAsync(socket, hostName);
if (shouldRetry)
{
await TryConnectSocketWithRetryAsync(socket, hostName);
}
}
}
public void connect(string args)
{
string[] javascriptArgs = JsonHelper.Deserialize<string[]>(args);
string macAddress = javascriptArgs[0];
connectionCallbackId = javascriptArgs[1];
connectionManager = new ConnectionManager();
connectionManager.Initialize(); // TODO can't we put this in the constructor?
connectionManager.ByteReceived += connectionManager_ByteReceived;
connectionManager.ConnectionSuccess += connectionManager_ConnectionSuccess;
connectionManager.ConnectionFailure += connectionManager_ConnectionFailure;
try
{
HostName deviceHostName = new HostName(macAddress);
connectionManager.Connect(deviceHostName);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
connectionManager_ConnectionFailure("Invalid Hostname");
}
}
private async void ConnectUWP()
{
try
{
if (exchangeTask != null)
{
CloseSocket();
}
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
await socket.ConnectAsync(serverHost, port);
Stream streamOut = socket.OutputStream.AsStreamForWrite();
writer = new StreamWriter(streamOut)
{
AutoFlush = true
};
Stream streamIn = socket.InputStream.AsStreamForRead();
reader = new StreamReader(streamIn);
RestartExchange();
connected = true;
}
catch (Exception e)
{
Debug.Log("ERROR WHILE TRYING TO CONNECT: " + e.ToString());
}
}
/// <summary>
/// Initialize the connection to the network (prepare sockets, join multicast group, handle the right events, etc)
/// </summary>
/// <returns></returns>
public void InitializeSockets()
{
if (Initialized)
return;
MulticastAddress = new HostName(MulticastAddressStr);
// To receive packets (either unicast or multicast), a MessageReceived event handler must be defined
// Initialize the multicast socket and register the event
MulticastSocket = new DatagramSocket();
MulticastSocket.MessageReceived += MulticastSocketMessageReceived;
// bind to a local UDP port
MulticastSocket.BindServiceNameAsync(MulticastPortStr).AsTask().Wait();
// Call the JoinMulticastGroup method to join the multicast group.
MulticastSocket.JoinMulticastGroup(MulticastAddress);
// Get our IP address
String MyIPString = PeerConnector.GetMyIP();
myIPAddress = new HostName(MyIPString);
// Construct a list of ip addresses that should be ignored
IgnoreableNetworkAddresses = new List<String> { LinkLocalPrefixString, LocalLoopbackPrefixString, PrivateNetworkPrefixString }; //, MyIPString };
System.Diagnostics.Debug.WriteLine("Ignored IP Addresses: " + LinkLocalPrefixString + " - " + LocalLoopbackPrefixString + " - " + PrivateNetworkPrefixString);
TCPListener = new TCPSocketListener("80085", new TCPRequestHandler(ProcessNetworkObject));
TCPSocketHelper = new TCPSocketClient("80085");
TCPListener.Start();
Initialized = true;
}
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());
}
}
private void RemoveRoutePolicy_Click(object sender, RoutedEventArgs e)
{
if (rootPage.g_ConnectionSession == null)
{
OutputText.Text = "Please establish a connection using the \"Create Connection\" scenario first.";
return;
}
try
{
HostName hostName = new HostName(HostName.Text);
DomainNameType domainNameType = ParseDomainNameType(((ComboBoxItem)DomainNameTypeComboBox.SelectedItem).Content.ToString());
RoutePolicy routePolicy = new RoutePolicy(rootPage.g_ConnectionSession.ConnectionProfile, hostName, domainNameType);
Windows.Networking.Connectivity.ConnectivityManager.RemoveHttpRoutePolicy(routePolicy);
OutputText.Text = "Removed Route Policy\nTraffic to " + routePolicy.HostName.ToString() +
" will no longer be routed through " + routePolicy.ConnectionProfile.ProfileName;
}
catch (ArgumentException ex)
{
OutputText.Text = "Failed to remove Route Policy with HostName = \"" + HostName.Text + "\"\n" +
ex.Message;
}
}
public async void sendMessage(string message)
{
Debug.Log("LearningHub.sendMessage 1: IP: " + IPAddress + ", port: " + port + ", message: " + message);
#if !UNITY_EDITOR
try
{
// Create the StreamSocket
using (var streamSocket = new Windows.Networking.Sockets.StreamSocket())
{
// The server hostname that we will be establishing a connection to. In this example, the server and client are in the same process.
var hostName = new Windows.Networking.HostName(IPAddress);
Debug.Log("LearningHub.sendMessage 2: Host: " + hostName + ", IP: " + IPAddress + ", port: " + port + ", message: " + message);
await streamSocket.ConnectAsync(hostName, port);
using (Stream outputStream = streamSocket.OutputStream.AsStreamForWrite())
{
using (var streamWriter = new StreamWriter(outputStream))
{
await streamWriter.WriteLineAsync(message);
await streamWriter.FlushAsync();
}
}
Debug.Log("LearningHub.sendMessage 3: Host: " + hostName + ", IP: " + IPAddress + ", port: " + port + ", message: " + message);
}
}
catch (Exception ex)
{
Windows.Networking.Sockets.SocketErrorStatus webErrorStatus = Windows.Networking.Sockets.SocketError.GetStatus(ex.GetBaseException().HResult);
Debug.Log("Learning hub not found");
}
#endif
Debug.Log("WEKIT LearningHUb: sending message to learning hub");
}
/// <summary>
/// Used to send SSDP packet
/// </summary>
/// <param name="data">The SSDP packet</param>
/// <returns>unused</returns>
public async Task<int> Send(string data)
{
socket = new DatagramSocketWrapper();
var profile = NetworkInformation.GetInternetConnectionProfile();
socket.MessageReceived += (sender, args) =>
{
HandleDatagramMessage(args);
};
try
{
socket.BindServiceNameAsync("", profile.NetworkAdapter);
}
catch (Exception e)
{
Logger.Current.AddMessage("There was an error binding the multicast socket: " + e.Message);
}
var remoteHost = new HostName(SSDP.Address);
var reqBuff = Encoding.UTF8.GetBytes(data);
var stream = await socket.GetOutputStreamAsync(remoteHost, SSDP.Port.ToString());
await stream.WriteAsync(reqBuff.AsBuffer());
if (IsConnected) return 0;
socket.JoinMulticastGroup(remoteHost);
IsConnected = !IsConnected;
return 0;
}
public static void Connect(string address, string port)
{
if (!connected)
{
clientSocket = new StreamSocket();
try
{
serverHost = new HostName(address);
serverPort = port;
serverHostnameString = address;
writer = new DataWriter(clientSocket.OutputStream);
clientSocket.ConnectAsync(serverHost, serverPort);
connected = true;
}
catch (Exception)
{
clientSocket.Dispose();
clientSocket = null;
throw new ConnectionErrorException();
}
}
else
{
clientSocket.Dispose();
clientSocket = null;
connected = false;
GamepadClient.Connect(address, port);
}
}
public async void SendMessage(string msg)
{
HostName hostName;
try
{
hostName = new HostName("localhost");
}
catch (ArgumentException)
{
return;
}
StreamSocket socket;
try
{
using (socket = new StreamSocket())
{
await socket.ConnectAsync(hostName, port2);
//CoreApplication.Properties.Add("connected", null);
DataWriter dw = new DataWriter(socket.OutputStream);
dw.WriteString(msg);
await dw.StoreAsync();
}
}
catch
{
//break;
}
}
internal async Task ConnectAsync(
HostName hostName,
string serviceName,
string user,
string password)
{
if (controlStreamSocket != null)
{
throw new InvalidOperationException("Control connection already started.");
}
this.hostName = hostName;
controlStreamSocket = new StreamSocket();
await controlStreamSocket.ConnectAsync(hostName, serviceName);
reader = new DataReader(controlStreamSocket.InputStream);
reader.InputStreamOptions = InputStreamOptions.Partial;
writer = new DataWriter(controlStreamSocket.OutputStream);
readCommands = new List<string>();
loadCompleteEvent = new AutoResetEvent(false);
readTask = InfiniteReadAsync();
FtpResponse response;
response = await GetResponseAsync();
VerifyResponse(response, 220);
response = await UserAsync(user);
VerifyResponse(response, 331);
response = await PassAsync(password);
VerifyResponse(response, 230);
}
override public async Task ConnectAsync(DeviceInfo RacerDevice)
{
try
{
//First connect to the bluetooth device...
HostName deviceHost = new HostName(RacerDevice.HostName);
//If the socket is already in use, dispose of it
if (streamSocket != null || dataWriter != null)
CloseConnection();
//Create a new socket
streamSocket = new StreamSocket();
await streamSocket.ConnectAsync(deviceHost, "1");
dataWriter = new DataWriter(streamSocket.OutputStream);
RaisePropertyChanged("IsConnected");
}
catch(Exception ex)
{
//Dispose and Destroy the StreamSocket and DataWriter
CloseConnection();
//Not sure what to do here yet, just pass it along
throw;
}
finally
{
//Regardless of what happened, let the view know that the connection state likely changed.
RaiseRacerConnectionStateChanged();
}
}
private async void Init()
{
_Listener = new DatagramSocket();
_Listener.MessageReceived += Listener_MessageReceived;
while (true)
{
try
{
await _Listener.BindServiceNameAsync("6");
break;
}
catch (COMException)
{
var messageDialog = new MessageDialog("Only one usage of each port is normally permitted.\r\n\r\nIs 'Windows IoT Core Watcher' open?", "Port in use");
messageDialog.Commands.Add(new UICommand("Try again", (command) => { }));
await messageDialog.ShowAsync();
}
}
HostName hostname = new HostName("239.0.0.222");
_Listener.JoinMulticastGroup(hostname);
_Settings = ApplicationData.Current.LocalSettings;
_Timer = new Timer(Timer_Callback, null, 1000, 1000);
}
public async void ConnectAsync(string ipOrHost, int port, SocketEventArgs args)
{
_socket = new StreamSocket();
var server = new HostName(ipOrHost);
// TCP timeouts in WinRT are excessive, shorten them here using task cancellation
var cts = new CancellationTokenSource();
try
{
cts.CancelAfter(MqttProtocolInformation.Settings.NetworkTimeout * 1000);
_logger.LogMessage("Socket", LogLevel.Verbose, string.Format("Authenticating client certificate with remote host CN={0}", server.CanonicalName));
await _socket.ConnectAsync(server, port.ToString(), GetSocketProtectionLevel(args.EncryptionLevel)).AsTask(cts.Token);
_clientUid = args.ClientUid;
StartReceiving();
}
catch (TaskCanceledException)
{
args.SocketException = new IOException("Timeout error while trying to connect.");
_clientUid = null;
_socket.Dispose();
_socket = null;
}
catch (Exception ex)
{
args.SocketException = ex;
_clientUid = null;
_socket.Dispose();
_socket = null;
}
args.Complete();
}
public async Task<bool> Connect()
{
if (_connected) return false;
var hostname = new HostName("62.4.24.188");
//var hostname = new HostName("192.168.1.12");
CancellationTokenSource cts = new CancellationTokenSource();
try
{
cts.CancelAfter(5000);
await _clientSocket.ConnectAsync(hostname, "4242").AsTask(cts.Token);
}
catch (TaskCanceledException)
{
_connected = false;
return false;
}
_connected = true;
_dataReader = new DataReader(_clientSocket.InputStream)
{
InputStreamOptions = InputStreamOptions.Partial
};
ReadData();
return true;
}
public KnxController(HostName hostName, int port, string password = "")
{
if (hostName == null) throw new ArgumentNullException(nameof(hostName));
_hostName = hostName;
_port = port;
_password = password;
}
public Connection(string hostname, int port)
{
m_HostName = new HostName(hostname);
m_Port = port;
m_Sender = new Sender();
m_ServerConnectionState = ServerConnectionState.Disconnected;
}
private async void OnForegroundSocketClicked(object sender, RoutedEventArgs e)
{
socket = new StreamSocket();
HostName host = new HostName("localhost");
try
{
await socket.ConnectAsync(host, "1983");
isConnected = true;
while (isConnected)
{
try
{
DataReader reader;
using (reader = new DataReader(socket.InputStream))
{
// Set the DataReader to only wait for available data (so that we don't have to know the data size)
reader.InputStreamOptions = InputStreamOptions.Partial;
// The encoding and byte order need to match the settings of the writer we previously used.
reader.UnicodeEncoding = UnicodeEncoding.Utf8;
reader.ByteOrder = ByteOrder.LittleEndian;
// Send the contents of the writer to the backing stream.
// Get the size of the buffer that has not been read.
await reader.LoadAsync(256);
// Keep reading until we consume the complete stream.
while (reader.UnconsumedBufferLength > 0)
{
string readString = reader.ReadString(reader.UnconsumedBufferLength);
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
messages.Add(readString);
});
Debug.WriteLine(readString);
await reader.LoadAsync(256);
}
reader.DetachStream();
}
}
catch (Exception exc)
{
MessageDialog dialog = new MessageDialog("Error reading the data");
await dialog.ShowAsync();
}
}
}
catch (Exception exc)
{
MessageDialog dialog = new MessageDialog("Error connecting to the socket");
await dialog.ShowAsync();
}
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
HostName targetHost;
try
{
targetHost = new HostName(HostnameBox.Text);
}
catch(ArgumentException ex)
{
MessageDialog errorDialog = new MessageDialog("You've entered an invalid hostname or IP address.\nNote that the hostname field should not contain port numbers.");
errorDialog.Title = "Invalid Hostname or IP address";
await errorDialog.ShowAsync();
return;
}
uint port = Convert.ToUInt32(PortNumberBox.Text);
string macAddress = MacAddressBox.Text;
MagicPacketSender magicSender = new MagicPacketSender();
bool success = await magicSender.SendMagicPacket(targetHost, port, macAddress);
RequestInfo info = new RequestInfo
(
HostnameBox.Text,
Convert.ToUInt32(PortNumberBox.Text),
MacAddressBox.Text
);
if (!RecentRequests.Contains(info))
{
if (RecentRequests.Count > 20)
{
for (int i = 20; i <= RecentRequests.Count; i++)
{
RecentRequests.RemoveAt(i);
}
}
RecentRequests.Insert(0, info);
await FileUtils.SaveRequestInfo(RecentRequests.ToList());
}
if (success)
{
ToastPrompt toast = new ToastPrompt();
toast.Title = "Magic Packet";
toast.Message = " Magic packet sent!";
toast.TextOrientation = Orientation.Horizontal;
toast.MillisecondsUntilHidden = 3000;
toast.Show();
}
else
{
ToastPrompt toast = new ToastPrompt();
toast.Title = "Magic Packet";
toast.Message = " Sending failed! =(";
toast.TextOrientation = Orientation.Horizontal;
toast.MillisecondsUntilHidden = 3000;
toast.Show();
}
}
public Networking()
{
_socket = new StreamSocket();
_localHost = new HostName("192.168.1.113");
_remoteHost = new HostName("192.168.1.145");
_serviceName = "1337";
_endpointpair = new EndpointPair(_localHost, _serviceName, _remoteHost, _serviceName);
}
/// <summary>
/// Sets the endpoint at the specified address/port pair as the 'default' target of sent data.
/// After calling <code>ConnectAsync</code>, use <code>SendAsync</code> to send data to the default target.
/// </summary>
/// <param name="address">The remote address for the default target.</param>
/// <param name="port">The remote port for the default target.</param>
public Task ConnectAsync(string address, int port)
{
var hn = new HostName(address);
var sn = port.ToString();
return _backingDatagramSocket
.ConnectAsync(hn, sn)
.WrapNativeSocketExceptionsAsTask();
}
// Use this for initialization
void Start()
{
string message = "Hello :)";
#if NETFX_CORE
HostAddress = new Windows.Networking.HostName("192.168.43.41");
SendMessage(message);
#endif
}
/// <summary>
/// Opens a connection, which means, that the server will be listening for telemetry clients to connect.
/// </summary>
/// <param name="strHostName">Hostname of the server.</param>
/// <param name="strConnectionPort">Port which will be used for listening.</param>
public async void OpenConnection(string strHostName, string strConnectionPort)
{
m_pTelemetryReaderSemaphoreSlim = new SemaphoreSlim(0, 1);
m_pTcpListener = new StreamSocketListener();
m_pTcpListener.ConnectionReceived += OnConnectionReceived;
m_pTcpListener.Control.KeepAlive = true;
var localHostName = new HostName(strHostName);
await m_pTcpListener.BindEndpointAsync(localHostName, strConnectionPort);
}
public static async void setup(Spritesheet sp)
{
animationLibrary = sp;
socket = new Windows.Networking.Sockets.StreamSocket();
HostName hostname = new Windows.Networking.HostName("192.168.137.1");
await socket.ConnectAsync(hostname, "87776");
reader = new Windows.Storage.Streams.DataReader(socket.InputStream);
writer = new Windows.Storage.Streams.DataWriter(socket.OutputStream);
messageQueue.ForEach(sendMessage);
startServerRead();
}
private async void StartClient()
{
try
{
// Create the StreamSocket and establish a connection to the echo server.
using (var streamSocket = new Windows.Networking.Sockets.StreamSocket())
{
// The server hostname that we will be establishing a connection to. In this example, the server and client are in the same process.
var hostName = new Windows.Networking.HostName("localhost");
this.clientListBox.Items.Add("client is trying to connect...");
await streamSocket.ConnectAsync(hostName, StreamSocketAndListenerPage.PortNumber);
this.clientListBox.Items.Add("client connected");
// Send a request to the echo server.
string request = "Hello, World!";
using (Stream outputStream = streamSocket.OutputStream.AsStreamForWrite())
{
using (var streamWriter = new StreamWriter(outputStream))
{
await streamWriter.WriteLineAsync(request);
await streamWriter.FlushAsync();
}
}
this.clientListBox.Items.Add(string.Format("client sent the request: \"{0}\"", request));
// Read data from the echo server.
string response;
using (Stream inputStream = streamSocket.InputStream.AsStreamForRead())
{
using (StreamReader streamReader = new StreamReader(inputStream))
{
response = await streamReader.ReadLineAsync();
}
}
this.clientListBox.Items.Add(string.Format("client received the response: \"{0}\" ", response));
}
this.clientListBox.Items.Add("client closed its socket");
}
catch (Exception ex)
{
Windows.Networking.Sockets.SocketErrorStatus webErrorStatus = Windows.Networking.Sockets.SocketError.GetStatus(ex.GetBaseException().HResult);
this.clientListBox.Items.Add(webErrorStatus.ToString() != "Unknown" ? webErrorStatus.ToString() : ex.Message);
}
}
public async Task <string> sendMessage(string message, bool awaitResponse)
{
Debug.Log("sending message to learning hub: " + message);
string responseMessage = "";
#if !UNITY_EDITOR
try
{
// Create the StreamSocket
using (Windows.Networking.Sockets.StreamSocket streamSocket = new Windows.Networking.Sockets.StreamSocket())
{
// The server hostname that we will be establishing a connection to. In this example, the server and client are in the same process.
var hostName = new Windows.Networking.HostName(IPAddress);
await streamSocket.ConnectAsync(hostName, port);
using (Stream outputStream = streamSocket.OutputStream.AsStreamForWrite())
{
using (StreamWriter streamWriter = new StreamWriter(outputStream))
{
await streamWriter.WriteLineAsync(message);
await streamWriter.FlushAsync();
}
}
if (awaitResponse)
{
using (Stream inputStream = streamSocket.InputStream.AsStreamForRead())
{
using (StreamReader streamReader = new StreamReader(inputStream))
{
responseMessage = streamReader.ReadToEnd();
}
}
}
}
}
catch (Exception ex)
{
Windows.Networking.Sockets.SocketErrorStatus webErrorStatus = Windows.Networking.Sockets.SocketError.GetStatus(ex.GetBaseException().HResult);
}
#endif
Debug.Log("sent message to learning hub: " + message);
if (awaitResponse)
{
Debug.Log("received response from learning hub: " + responseMessage);
}
return(responseMessage);
}
async Task ConnectAsync(string host, string port)
{
try
{
#if !UNITY_EDITOR
ClientSocket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
await ClientSocket.ConnectAsync(serverHost, port);
#endif
}
catch (Exception e)
{
client.NotifyMainThread(0, e.ToString(), 0);
}
}
/// <summary>
/// established a TCP socket connection to receive packets from another device.
/// This is used when running as a UWP app on the HoloLens.
/// </summary>
private async void ConnectSocketUWP()
{
try
{
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(ipAddress);
await socket.ConnectAsync(serverHost, portUWP);
Stream streamIn = socket.InputStream.AsStreamForRead();
reader = new StreamReader(streamIn, Encoding.UTF8);
connection = true;
}
catch (Exception e)
{
//do something
}
}
public async System.Threading.Tasks.Task <string> Connect(string ip_addr, string port)
{
connectSocket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(ip_addr);
try {
await connectSocket.ConnectAsync(serverHost, port);
}
catch {
_canConnect = false;
_connected = false;
throw new Exception("Server not found.");
}
streamOut = connectSocket.OutputStream.AsStreamForWrite();
streamIn = connectSocket.InputStream.AsStreamForRead();
writer = new StreamWriter(streamOut);
reader = new StreamReader(streamIn);
_connected = true;
return(null);
}
public static IPAddress GetInternetIP()
{
// http://stackoverflow.com/questions/10336521/query-local-ip-address
var icp = NetworkInformation.GetInternetConnectionProfile();
if (icp?.NetworkAdapter == null)
{
return(null);
}
Windows.Networking.HostName hostname =
NetworkInformation.GetHostNames()
.SingleOrDefault(
hn =>
hn.IPInformation?.NetworkAdapter != null && hn.IPInformation.NetworkAdapter.NetworkAdapterId
== icp.NetworkAdapter.NetworkAdapterId);
// the ip address
return(IPAddress.Parse(hostname?.CanonicalName));
}
private async Task <bool> ConnectSocketAsync()
{
//setup the connection via socket
ipAddress = IPAddress.Parse("192.168.0.10"); //hard coded in obdlink MX
port = 35000; //hard coded in obdlink MX
ipEndPoint = new IPEndPoint(ipAddress, port);
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
var hostName = new Windows.Networking.HostName("192.168.0.10");
await streamSocket.ConnectAsync(hostName, port.ToString());
using (streamSocket = new Windows.Networking.Sockets.StreamSocket())
{
stream = streamSocket.InputStream.AsStreamForRead();
connected = true;
}
return(true);
}
private async void ConnectUWP(string host, string port)
#endif
{
#if UNITY_EDITOR
Debug.Log("Can't use UWP TCP client in Unity!");
#else
try {
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
await socket.ConnectAsync(serverHost, port);
stream = socket.InputStream.AsStreamForRead();
Initialize();
Debug.Log("Connected!");
}
catch (Exception e) {
Debug.Log(e.ToString());
}
#endif
}
private async void ConnectUWP(string host, string port)
#endif
{
#if UNITY_EDITOR
errorStatus = "UWP TCP client used in Unity!";
#else
try
{
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
await socket.ConnectAsync(serverHost, port);
streamIn = socket.InputStream.AsStreamForRead();
}
catch (Exception e)
{
errorStatus = e.ToString();
}
#endif
}
IEnumerator StartConnection()
{
LOGWARNING("Really trying to connect");
#if !UNITY_EDITOR && (UNITY_WSA || NETFX_CORE)
Loom.RunAsync(async() =>
#else
Loom.RunAsync(() =>
#endif
{
while (!stopCommunication)
{
LOGWARNING("Connecting to receiver ...");
#if !UNITY_EDITOR && (UNITY_WSA || NETFX_CORE)
HostName receiverHostName = new Windows.Networking.HostName(receiverIPAddress);
await receiverSocket.ConnectAsync(receiverHostName, receiverPort.ToString());
Stream streamIn = receiverSocket.InputStream.AsStreamForRead();
Stream streamOut = receiverSocket.OutputStream.AsStreamForWrite();
binReader = new BinaryReader(streamIn);
binWriter = new BinaryWriter(streamOut);
#else
receiverClient.Connect(IPAddress.Parse(receiverIPAddress), receiverPort);
receiverClientStream = receiverClient.GetStream();
binReader = new BinaryReader(receiverClientStream);
binWriter = new BinaryWriter(receiverClientStream);
#endif
LOGWARNING("Connected with receiver");
isConnected = true;
}
});
while (!isConnected)
{
Debug.Log("I am here " + instanceNumber);
yield return(null);
}
// Start receiving data as well
ReceiveData();
}
private async void ConnectUWP(string host, string port)
#endif
{
#if UNITY_EDITOR
Debug.Log("UWP TCP client used in Unity!");
#else
try {
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
await socket.ConnectAsync(serverHost, port);
stream = socket.InputStream.AsStreamForRead();
#if !UNITY_EDITOR
exchangeTask = Task.Run(() => Read_Data());
#endif
Debug.Log("Connected!");
}
catch (Exception e) {
Debug.Log(e.ToString());
}
#endif
}
public static async Task StartClient()
{
try
{
// Create the StreamSocket and establish a connection to the echo server.
streamSocket = new Windows.Networking.Sockets.StreamSocket();
// The server hostname that we will be establishing a connection to. In this example, the server and client are in the same process.
var hostName = new Windows.Networking.HostName("192.168.0.137");
MainPage.MP.clientListBox.Items.Add("client is trying to connect...");
await streamSocket.ConnectAsync(hostName, "1234");
MainPage.MP.clientListBox.Items.Add("client connected");
}
catch (Exception ex)
{
Windows.Networking.Sockets.SocketErrorStatus webErrorStatus = Windows.Networking.Sockets.SocketError.GetStatus(ex.GetBaseException().HResult);
MainPage.MP.clientListBox.Items.Add(webErrorStatus.ToString() != "Unknown" ? webErrorStatus.ToString() : ex.Message);
}
}
private Task <T> BroadcastMessageAsync <T>(Windows.Networking.HostName hostName, FrameHeader header, MessageType type, params object[] args)
where T : LifxResponse
{
List <byte> payload = new List <byte>();
if (args != null)
{
foreach (var arg in args)
{
if (arg is UInt16)
{
payload.AddRange(BitConverter.GetBytes((UInt16)arg));
}
else if (arg is UInt32)
{
payload.AddRange(BitConverter.GetBytes((UInt32)arg));
}
else if (arg is byte)
{
payload.Add((byte)arg);
}
else if (arg is byte[])
{
payload.AddRange((byte[])arg);
}
else if (arg is string)
{
payload.AddRange(Encoding.UTF8.GetBytes(((string)arg).PadRight(32).Take(32).ToArray())); //All strings are 32 bytes
}
else
{
throw new NotSupportedException(args.GetType().FullName);
}
}
}
return(BroadcastMessagePayloadAsync <T>(hostName, header, type, payload.ToArray()));
}
private async void DoSomeShit()
{
try
{
// Create the StreamSocket and establish a connection to the echo server.
using (var streamSocket = new StreamSocket())
{
// The server hostname that we will be establishing a connection to. In this example, the server and client are in the same process.
var hostName = new Windows.Networking.HostName("1.1.1.1");
this.clientListBox.Items.Add("client is trying to connect...");
await streamSocket.ConnectAsync(hostName, "853", SocketProtectionLevel.Tls12);
IBuffer certificateBuffer = streamSocket.Information.ServerCertificate.GetCertificateBlob();
Stream certificateStream = certificateBuffer.AsStream();
//Take the SHA2-256 hash of the DER ASN.1 encoded value
Byte[] digest;
using (var sha2 = new SHA256Managed())
{
digest = sha2.ComputeHash(certificateStream);
}
//Convert hash to base64
String hash = Convert.ToBase64String(digest);
this.clientListBox.Items.Add("client connected");
}
this.clientListBox.Items.Add("client closed its socket");
}
catch (Exception ex)
{
Windows.Networking.Sockets.SocketErrorStatus webErrorStatus = Windows.Networking.Sockets.SocketError.GetStatus(ex.GetBaseException().HResult);
this.clientListBox.Items.Add(webErrorStatus.ToString() != "Unknown" ? webErrorStatus.ToString() : ex.Message);
}
}
//private string serverAdress = "127.0.0.1";
private async Task <TaskResult> SetupClient()
{
try
{
//Create the StreamSocket and establish a connection to the echo server.
socket = new Windows.Networking.Sockets.StreamSocket();
//The server hostname that we will be establishing a connection to. We will be running the server and client locally,
//so we will use localhost as the hostname.
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(serverAdress);
//Every protocol typically has a standard port number. For example HTTP is typically 80, FTP is 20 and 21, etc.
//For the echo server/client application we will use a random port 1337.
string serverPort = "6670";
await socket.ConnectAsync(serverHost, serverPort);
}
catch (Exception e)
{
return(new TaskResult(false, e.Message));
}
return(new TaskResult(true, "OK"));
}
//This one is used to make a connection
#else
private async void ConnectUWP(string host, int port)
{
try
{
//Connect using streamSockets
socket = new Windows.Networking.Sockets.StreamSocket();
Windows.Networking.HostName serverHost = new Windows.Networking.HostName(host);
await socket.ConnectAsync(serverHost, port.ToString());
//Set up asynchronous reading
Stream streamIn = socket.InputStream.AsStreamForRead();
reader = new StreamReader(streamIn);
//Make thread to read lines
exchangeTask = Task.Run(() => DoReadUwp());
Debug.Log("Connected! uwp");
}
catch (Exception e)
{
Debug.Log("uwp: " + e.ToString());
}
}
/// <summary>
/// Starts a Proxy that takes local DNS requests and transforms them into
/// DNS-over-TLS versions instead, using the provided DNS-over-TLS endpoint.
/// </summary>
private async void StartDNSToDNSOverTLSProxy()
{
try
{
var serverDatagramSocket = new DatagramSocket();
// The ConnectionReceived event is raised when connections are received.
serverDatagramSocket.MessageReceived += ServerDatagramSocket_MessageReceived;
this.serverListBox.Items.Add("server is about to bind...");
var hostName = new Windows.Networking.HostName("192.168.175.13");
// Start listening for incoming TCP connections on the specified port. You can specify any port that's not currently in use.
//await serverDatagramSocket.BindEndpointAsync(hostName, DNS_LISTENING_PORT);
await serverDatagramSocket.BindServiceNameAsync(DNS_LISTENING_PORT);
this.serverListBox.Items.Add(string.Format("server is bound to port number {0}", DNS_LISTENING_PORT));
}
catch (Exception ex)
{
Windows.Networking.Sockets.SocketErrorStatus webErrorStatus = Windows.Networking.Sockets.SocketError.GetStatus(ex.GetBaseException().HResult);
this.serverListBox.Items.Add(webErrorStatus.ToString() != "Unknown" ? webErrorStatus.ToString() : ex.Message);
}
}
private async void initSockets(string host, int inputPort, int outputPort)
{
// input socket
inputSocket = new DatagramSocket();
Windows.Networking.HostName serverAddr = new Windows.Networking.HostName(host);
Stream streamOut = (await inputSocket.GetOutputStreamAsync(serverAddr, "" + inputPort)).AsStreamForWrite();
inputWriter = new StreamWriter(streamOut);
// output socket
outputSocket = new DatagramSocket();
outputSocket.MessageReceived += Socket_MessageReceived;
try
{
await outputSocket.BindServiceNameAsync("" + outputPort);
}
catch (Exception e)
{
Debug.Log(e.ToString());
Debug.Log(Windows.Networking.Sockets.SocketError.GetStatus(e.HResult).ToString());
return;
}
}
/// <summary>
/// Attempts to send a magic packet to the desination hostname, on the specified port with the specified MAC address.
/// </summary>
/// <param name="destination">Destination hostname or IP address.</param>
/// <param name="destinationPort">Destination port number.</param>
/// <param name="targetMac">Destination MAC address. Bytes can be separated by colons, dashes, or nothing.</param>
/// <returns>True if magic packet is sent successfully, false otherwise.</returns>
public async Task <bool> SendMagicPacket(Windows.Networking.HostName destination, uint destinationPort, string targetMac)
{
try
{
DatagramSocket _socket = new DatagramSocket();
using (var stream = await _socket.GetOutputStreamAsync(destination, destinationPort.ToString()))
{
//Split on common MAC separators
char?splitChar = null;
if (targetMac.Contains('-'))
{
splitChar = '-';
}
else if (targetMac.Contains(':'))
{
splitChar = ':';
}
else if (targetMac.Contains(' '))
{
splitChar = ' ';
}
//Turn MAC into array of bytes
byte[] macAsArray;
if (splitChar != null)
{
macAsArray = targetMac.Split((char)splitChar)
.Select(b => Convert.ToByte(b, 16))
.ToArray <byte>();
}
else
{
//Jump through MAC-string, reading 2 chars at a time
macAsArray = Enumerable.Range(0, targetMac.Length)
.Where(x => x % 2 == 0)
.Select(x => Convert.ToByte(targetMac.Substring(x, 2), 16)) //16 = hexadecimal
.ToArray();
}
List <byte> magicPacket = new List <byte> {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
//A WoLAN magic packet is just FF FF FF FF FF FF, then the target MAC adress repeated 16 times.
for (int i = 0; i < 16; i++)
{
magicPacket = magicPacket.Concat(macAsArray).ToList();
}
using (DataWriter writer = new DataWriter(stream))
{
writer.WriteBytes(magicPacket.ToArray <byte>());
await writer.StoreAsync();
await writer.FlushAsync();
return(true);
}
}
}
catch (Exception e)
{
Debug.WriteLine(e);
return(false);
}
}
private async Task <T> BroadcastMessagePayloadAsync <T>(Windows.Networking.HostName hostName, FrameHeader header, MessageType type, byte[] payload)
where T : LifxResponse
{
#if DEBUG
MemoryStream ms = new MemoryStream();
await WritePacketToStreamAsync(ms.AsOutputStream(), header, (UInt16)type, payload).ConfigureAwait(false);
var data = ms.ToArray();
System.Diagnostics.Debug.WriteLine(
string.Join(",", (from a in data select a.ToString("X2")).ToArray()));
#endif
if (hostName == null)
{
hostName = new Windows.Networking.HostName("255.255.255.255");
}
TaskCompletionSource <T> tcs = null;
if (//header.AcknowledgeRequired &&
header.Identifier > 0 &&
typeof(T) != typeof(UnknownResponse))
{
tcs = new TaskCompletionSource <T>();
Action <LifxResponse> action = (r) =>
{
if (!tcs.Task.IsCompleted)
{
if (r.GetType() == typeof(T))
{
tcs.SetResult((T)r);
}
else
{
}
}
};
taskCompletions[header.Identifier] = action;
}
using (var stream = await _socket.GetOutputStreamAsync(hostName, Port))
{
await WritePacketToStreamAsync(stream, header, (UInt16)type, payload).ConfigureAwait(false);
}
T result = default(T);
if (tcs != null)
{
var _ = Task.Delay(1000).ContinueWith((t) =>
{
if (!t.IsCompleted)
{
tcs.TrySetException(new TimeoutException());
}
});
try {
result = await tcs.Task.ConfigureAwait(false);
}
finally
{
taskCompletions.Remove(header.Identifier);
}
}
return(result);
}
