ConnectAsync() public method

public ConnectAsync ( HostName hostName, string remoteServiceName, SocketProtectionLevel protectionLevel ) : StreamSocketConnectOperation
hostName HostName
remoteServiceName string
protectionLevel SocketProtectionLevel
return StreamSocketConnectOperation
示例#1
0
    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());
        }
    }
示例#2
0
 public async void ConnectTo(Slide slide)
 {
     var duration = slide.AppearanceDuration;
     var content = slide.Content as ScreenCapture;
     var ipAddress = content.IPTargetAgent;
     HostName localHost = null;
     foreach (var hostName in NetworkInformation.GetHostNames())
     {
         if(hostName.IPInformation != null)
         {
             if(hostName.Type == Windows.Networking.HostNameType.Ipv4)
             {
                 localHost = hostName;
             }
         }
     }
     var TCPClient = new StreamSocket();
     try
     {
         var cts = new CancellationTokenSource();
         cts.CancelAfter(500);
         var connectAsync = TCPClient.ConnectAsync(
             new Windows.Networking.EndpointPair(localHost, "54321", new Windows.Networking.HostName(ipAddress), "54321"));
         var connectTask = connectAsync.AsTask(cts.Token);
         await connectTask;
         this.SendToAgent(slide, TCPClient);
     }
     catch(Exception ex)
     {
         TCPClient.Dispose();
         Debug.WriteLine(ex.Message);
         this.FireOnConnectionFailed();
         return;
     }
 }
 private async Task<string> DoCommand(string command)
 {
     StringBuilder strBuilder = new StringBuilder();
     using (StreamSocket clientSocket = new StreamSocket())
     {
         await clientSocket.ConnectAsync(new HostName("192.168.9.108"),  "9001");
         using (DataWriter writer = new DataWriter(clientSocket.OutputStream))
         {
             writer.WriteString(command);
             await writer.StoreAsync();
             writer.DetachStream();
         }
         using (DataReader reader = new DataReader(clientSocket.InputStream))
         {
             reader.InputStreamOptions = InputStreamOptions.Partial;
             await reader.LoadAsync(8192);
             while (reader.UnconsumedBufferLength > 0)
             {
                 strBuilder.Append(reader.ReadString(reader.UnconsumedBufferLength));
                 await reader.LoadAsync(8192);
             }
             reader.DetachStream();
         }
     }
     return (strBuilder.ToString());
 }
示例#4
0
 /// <summary>
 /// Attempt to create a tcp connection to a certain host
 /// </summary>
 /// <param name="remoteAddress">Address of the remote host</param>
 /// <param name="connectionTimeout">Time (in milliseconds) that defines how long we should attempt to connect to the other party</param>
 /// <returns>Returns a StreamSocket to the remote host</returns>
 private async Task<StreamSocket> Connect(string remoteAddress, int connectionTimeout)
 {
     StreamSocket streamSocket = new StreamSocket();
     // Make sure a timeout occurs (otherwise it will try to connect forever)
     CancellationTokenSource cts = new CancellationTokenSource();
     try
     {
         cts.CancelAfter(connectionTimeout);
         // Try to connect to the remote address
         await streamSocket.ConnectAsync(new HostName(remoteAddress), this.port).AsTask(cts.Token);
         return streamSocket;
     }
     catch (TaskCanceledException ex)
     {
         // TaskCanceledException will be thrown when the timeout has passed. 
         // Now throw our own exception
         throw new ConnectionTimedOutException("Could not create connection with host " + remoteAddress + " within the given time-out period of " + connectionTimeout + "ms. ");
     }
     catch (System.Exception ex)
     {
         // Catch any other exception too
         System.Diagnostics.Debug.WriteLine("Exception occured in TCPSocketClient.Connect: " + ex);
         throw;
     }
 }
示例#5
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);
            }
        }
    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 ConnectionStatus ConnectToSignalingServer(ConnectionOwner connectionOwner)
        {
            try
            {
                SignaledPeerData.Reset();
                SignalingStatus.Reset();
                SignaledRelayMessages.Reset();

                var socket = new StreamSocket();
                socket.EnableTransferOwnership(Guid.Parse(connectionOwner.OwnerId),
                    SocketActivityConnectedStandbyAction.Wake);
                socket.ConnectAsync(new HostName(SignalingSettings.SignalingServerHost),
                    SignalingSettings.SignalingServerPort, SocketProtectionLevel.PlainSocket)
                    .AsTask()
                    .Wait();
                socket.TransferOwnership(SignalingSocketOperation.SignalingSocketId);
                return new ConnectionStatus
                {
                    IsConnected = true
                };
            }
            catch (Exception exception)
            {
                return new ConnectionStatus
                {
                    IsConnected = false
                };
            }
        }
        private async void TryConnect ( )
        {
            if ( connectList.SelectedItem != null )
            {
                try
                {
                    PeerFinder.Start(  );
                    PeerFinder.AlternateIdentities[ "Bluetooth:Paired" ] = "";
                    var pairedDevices = await PeerFinder.FindAllPeersAsync();

                    UpdateStatus( "Connecting to selected device: " + pairedDevices[ connectList.SelectedIndex ].DisplayName );

                    socket = new StreamSocket(); // Create socket.
                    await socket.ConnectAsync( pairedDevices[ connectList.SelectedIndex ].HostName, "1" ); // Connect to device using socket.

                    connected = true;
                    textblockDevice.Text = "Connected to " + pairedDevices[ connectList.SelectedIndex ].DisplayName;
                    UpdateStatus( "success!" );

                    WaitForData( socket );

                    Write( "#p" ); // First ping to test connection.
                }
                catch ( Exception ex )
                {
                    UpdateStatus( "Error: " + ex.Message + "," + ex.StackTrace );
                }
            }
            else
            {
                UpdateStatus( "Please select a device." );
            }
        }
示例#9
0
        public TcpTextWriter(string hostName, int port)
        {
            if (hostName == null)
                throw new ArgumentNullException(nameof(hostName));
            if ((port < 0) || (port > ushort.MaxValue))
                throw new ArgumentException("port");

            HostName = hostName;
            Port = port;

#if __IOS__ || MAC
            UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;
#endif
            try
            {
#if __IOS__ || MAC || ANDROID
                var client = new TcpClient(hostName, port);
                writer = new StreamWriter(client.GetStream());
#elif WINDOWS_PHONE || NETFX_CORE
               
                var socket = new StreamSocket();
                socket.ConnectAsync(new HostName(hostName), port.ToString(CultureInfo.InvariantCulture))
                    .AsTask()
                    .ContinueWith( _ => writer = new StreamWriter(socket.OutputStream.AsStreamForWrite()));
#endif
            }
            catch
            {
#if __IOS__ || MAC
                UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
#endif
                throw;
            }
        }
示例#10
0
        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);
        }
示例#11
0
        public async Task<bool> ConnectAsync(string host, int port, int timeOut = 5000)
        {
            try
            {
                socket = new StreamSocket();
                socket.Control.KeepAlive = true;

                var cts = new CancellationTokenSource();
                cts.CancelAfter(timeOut);

                await socket.ConnectAsync(new HostName(host), port.ToString()).AsTask(cts.Token);

                ReceiveAsync();

                return true;
            }
            catch (TaskCanceledException)
            {
            }
            catch (Exception ex)
            {
                //if (SocketError.GetStatus(ex.HResult) == SocketErrorStatus.Unknown)
                //    throw;
            }

            Disconnect();

            return false;
        }
    /// <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;
      }
    }
    public async void SendMessage(string message)
    {
        Windows.Networking.Sockets.StreamSocket streamSocket = null;
        streamSocket = new Windows.Networking.Sockets.StreamSocket();
        try
        {
            Debug.Log("Trying to connect");
            await streamSocket.ConnectAsync(HostAddress, "1337");

            Debug.Log("Connected!");
            Stream       streamOut = streamSocket.OutputStream.AsStreamForWrite();
            StreamWriter writer    = new StreamWriter(streamOut);
            await writer.WriteLineAsync(message);

            Debug.Log("The following message was sent: " + message);
            await writer.FlushAsync();

            //creat input stream and read it into a string (for responses from RPI3)

            /*Stream streamIn = streamSocket.InputStream.AsStreamForRead();
             * StreamReader reader = new StreamReader(streamIn);
             * string response = await reader.ReadLineAsync();*/
        }
        catch (Exception e)
        {
            //catch an error messages and display
            Debug.Log(e.Message);
        }
        finally
        {
            //end by disposing the socket and clearing the resources
            streamSocket.Dispose();
        }
    }
示例#14
0
        private async void Button_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                ////Create the StreamSocket and establish a connection to the echo server.
                //Windows.Networking.Sockets.StreamSocket 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("133.37.56.223");

                //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 = "50005";
                await socket.ConnectAsync(serverHost, serverPort);

                while (true)
                {
                    //Read data from the echo server.
                    Stream       streamIn = socket.InputStream.AsStreamForRead();
                    StreamReader reader   = new StreamReader(streamIn);
                    System.Diagnostics.Debug.WriteLine("ok");
                    string response = await reader.ReadLineAsync(); //サーバからの入力待ち

                    textblock.Text = response;
                }
            }
            catch (Exception)
            {
                //Handle exception here.
            }
        }
        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);
        }
示例#16
0
    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;
    }
示例#17
0
        public async Task Connect()
        {
            PeerFinder.AlternateIdentities["Bluetooth:SDP"] = ServiceGUID.ToString();
            var peers = await PeerFinder.FindAllPeersAsync();

            foreach (var p in peers)
            {
                var h = p.ServiceName;
            }

            // TODO: obviously list these instead of taking the first
            var peer = peers.FirstOrDefault();

            if (peer != null)
            {
                var socket = new StreamSocket();
                try
                {
                    // default service name?
                    await socket.ConnectAsync(peer.HostName, ServiceName);

                    var connection = new DuplexConnection(socket);
                    var device = new BluetoothDevice(peer.DisplayName, peer.HostName, peer.ServiceName);

                    if (ConnectionEstablished != null)
                    {
                        ConnectionEstablished(this, new ClientConnectedEventArgs(device, connection));
                    }
                } 
                catch (Exception ex)
                {
                    
                }
            }
        }
        /// <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;
        }
        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();
        }
示例#20
0
        public async void Initialize()
        {
            // Enumerate devices with the object push service
            var services =
                await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(
                    RfcommDeviceService.GetDeviceSelector(
                        RfcommServiceId.ObexObjectPush));

            if (services.Count > 0)
            {
                // Initialize the target Bluetooth BR device
                var service = await RfcommDeviceService.FromIdAsync(services[0].Id);

                // Check that the service meets this App's minimum requirement
                if (SupportsProtection(service) && IsCompatibleVersion(service))
                {
                    _service = service;

                    // Create a socket and connect to the target
                    _socket = new StreamSocket();
                    await _socket.ConnectAsync(
                        _service.ConnectionHostName,
                        _service.ConnectionServiceName,
                        SocketProtectionLevel
                        .BluetoothEncryptionAllowNullAuthentication);

                    // The socket is connected. At this point the App can wait for
                    // the user to take some action, e.g. click a button to send a
                    // file to the device, which could invoke the Picker and then
                    // send the picked file. The transfer itself would use the
                    // Sockets API and not the Rfcomm API, and so is omitted here for
                    // brevity.
                }
            }
        }
示例#21
0
        public static async Task<bool> CheckServerAddressWP(string url, int port = 80, int msTimeout = 5000)
        {
            bool retVal = false;
            string originalUrl = url;

            if (!IsUrlValid(url))
                return retVal;

            try
            {
                using (var tcpClient = new StreamSocket())
                {
                    url = url.Replace("http://", string.Empty).Replace("https://", string.Empty);
                    if (url.Last() == '/')
                        url = url.Substring(0, url.Length - 1);

                    await tcpClient.ConnectAsync(new Windows.Networking.HostName(url), port.ToString(), SocketProtectionLevel.PlainSocket);

                    if (tcpClient.Information.RemoteHostName.ToString().ToLower() == url.ToLower())
                        retVal = true;

                    tcpClient.Dispose();
                }
            }
            catch (Exception ex)
            {
                retVal = false;
            }

            retVal &= await ExposesContosoMomentsWebAPIs(originalUrl);

            return retVal;
        }
示例#22
0
    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");
    }
示例#23
0
 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;
     }
 }
		private async void RefreshLogsTapped(object sender, TappedRoutedEventArgs e)
		{
			var btn = sender as Button;
			if (btn != null)
			{
				btn.IsEnabled = false;

				try
				{
					using (var socket = new StreamSocket())
					{
						await socket.ConnectAsync(new HostName(@"127.0.0.1"), @"11111");

						var handler = new WinRtTransferHandler(socket);

						_viewModel.Load(await new LogsClientHandler(2, handler).GetConfigsAsync());

						await handler.CloseAsync();
					}
				}
				catch
				{
				}
				finally
				{
					btn.IsEnabled = true;
				}
			}
		}
示例#25
0
        public static async Task<bool> ConnectAsync()
        {
            if (imageComparisonServer != null)
                return true;
			
            try
            {
                imageComparisonServer = new StreamSocket();
                await imageComparisonServer.ConnectAsync(new HostName(ParadoxImageServerHost), ParadoxImageServerPort.ToString());
			
                // Send initial parameters
                using (var memoryStream = new MemoryStream())
                {
                    var binaryWriter = new BinaryWriter(memoryStream);
                    ImageTestResultConnection.Write(binaryWriter);

                    var dataWriter = new DataWriter(imageComparisonServer.OutputStream);
                    dataWriter.WriteBytes(memoryStream.ToArray());
                    await dataWriter.StoreAsync();
                    await dataWriter.FlushAsync();
                    dataWriter.DetachStream();
                }

                return true;
            }
            catch (Exception)
            {
                imageComparisonServer = null;
			
                return false;
            }
        }
示例#26
0
    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();
        }
    }
示例#27
0
        private async Task CaptureReadings()
        {
            #region Cheat
            //var devices = await DeviceInformation.FindAllAsync(
            //    RfcommDeviceService.GetDeviceSelector(RfcommServiceId.SerialPort)
            //    );

            //var device = devices.Single((x) => x.Name == "RNBT-9A57");

            //RfcommDeviceService service = null;

            //await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
            //{
            //    service = RfcommDeviceService.FromIdAsync(device.Id).AsTask().Result;
            //});

            //using (var socket = new StreamSocket())
            //{
            //    await socket.ConnectAsync(service.ConnectionHostName, service.ConnectionServiceName, SocketProtectionLevel.BluetoothEncryptionAllowNullAuthentication);
            //    var reader = new DataReader(socket.InputStream);

            //    while (true)
            //    {
            //        var distance = await this.ReadDistanceAsync(reader);

            //        await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
            //        {
            //            this.ReadingTextBlock.Text = distance.ToString();
            //        });
            //    }
            //}
            #endregion

            var devices = await DeviceInformation.FindAllAsync(
                RfcommDeviceService.GetDeviceSelector(RfcommServiceId.SerialPort)
                );

            var device = devices.Single(x => x.Name == "RNBT-9A57");

            RfcommDeviceService service = await RfcommDeviceService.FromIdAsync(device.Id);

            using (var socket = new StreamSocket())
            {
                await socket.ConnectAsync(service.ConnectionHostName, service.ConnectionServiceName, SocketProtectionLevel.BluetoothEncryptionAllowNullAuthentication);

                var reader = new DataReader(socket.InputStream);

                while (true)
                {
                    var distance = await this.ReadDistanceAsync(reader);

                    await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
                    {
                        this.ReadingTextBlock.Text = distance.ToString();
                    });
                }
            }

        }
示例#28
0
        /// <summary>
        /// Creates the stream the NmeaDevice is working on top off.
        /// </summary>
        /// <returns></returns>
        protected override async Task <System.IO.Stream> OpenStreamAsync()
        {
            var socket = new Windows.Networking.Sockets.StreamSocket();

#if WINDOWS_UWP
            if (m_devicePeer != null)
            {
                await socket.ConnectAsync(m_devicePeer.HostName, "1");
            }
            else
#endif
            {
                await socket.ConnectAsync(m_deviceService.ConnectionHostName, m_deviceService.ConnectionServiceName);
            }
            m_socket = socket;
            return(socket.InputStream.AsStreamForRead());
        }
        public async Task OpenAsync( string hostName, int port, bool useSsl )
        {
            if ( _socket == null )
            {
                _socket = new StreamSocket( );

                if ( useSsl )
                    await _socket.ConnectAsync( new HostName( hostName ), port.ToString( ), SocketProtectionLevel.Ssl );
                else
                    await _socket.ConnectAsync( new HostName( hostName ), port.ToString( ) );

                _reader = new DataReader( _socket.InputStream );
                _reader.InputStreamOptions = InputStreamOptions.Partial;

                _writer = new DataWriter( _socket.OutputStream );
            }
        }
示例#30
0
        public async Task<StreamSocket> Connect(string address, int port)
        {
            StreamSocket socket = new StreamSocket();

            await socket.ConnectAsync(new HostName(address), port.ToString());
            
            return socket;
        }
示例#31
0
 /// <summary>
 /// Connects the client with a remote host providing telemetry functionality.
 /// </summary>
 /// <param name="strRemoteHostName">Name of the Remote Host</param>
 /// <param name="strConnectionPort">Port, which will be used for the connection</param>
 public async void Connect(string strRemoteHostName, string strConnectionPort)
 {
     m_pTcpSocket = new StreamSocket();
     m_pTelemetryWriterSemaphoreSlim = new SemaphoreSlim(0, 1);
     var endPointPair = new EndpointPair(new HostName("192.168.0.16"), strConnectionPort, new HostName(strRemoteHostName), strConnectionPort);
     await m_pTcpSocket.ConnectAsync(endPointPair);
     m_pTelemetryWriter = new DataWriter(m_pTcpSocket.OutputStream);
 }
示例#32
0
 public async Task ConnectAsync()
 {
     _socket = new StreamSocket();
     await _socket.ConnectAsync(new HostName(GlobalConfig.IpAddress), GlobalConfig.Port.ToString());
     _dataWriter = new DataWriter(_socket.OutputStream);
     _dataReader = new DataReader(_socket.InputStream) { InputStreamOptions = InputStreamOptions.Partial };
     StartListening();
 }
示例#33
0
        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();
            }
        }
示例#34
0
        public async Task ConnectAsync(Address address, ConnectionFactory factory)
        {
            StreamSocket ss = new StreamSocket();
            await ss.ConnectAsync(
                new HostName(address.Host),
                address.Port.ToString(),
                address.UseSsl ? SocketProtectionLevel.Tls12 : SocketProtectionLevel.PlainSocket);

            this.socket = ss;
        }
 private async void ConnectSocket_Click(object sender, RoutedEventArgs e)
 {
     if (CoreApplication.Properties.ContainsKey("clientSocket"))
     {
         rootPage.NotifyUser("此步骤已完成请下一步", NotifyType.ErrorMessage);
         return;
     }
     if (string.IsNullOrEmpty(ServiceNameForConnect.Text))
     {
         rootPage.NotifyUser("请提供一个服务器名称", NotifyType.ErrorMessage);
         return;
     }
     // By default 'HostNameForConnect' is disabled and host name validation is not required. When enabling the
     // text box validating the host name is required since it was received from an untrusted source
     // (user input). The host name is validated by catching ArgumentExceptions thrown by the HostName
     // constructor for invalid input.
     HostName hostName;
     try
     {
         hostName = new HostName(HostNameForConnect.Text);
     }
     catch (ArgumentException)
     {
         rootPage.NotifyUser("无效的主机名", NotifyType.ErrorMessage);
         throw;
     }
     StreamSocket socket = new StreamSocket();
     socket.Control.KeepAlive = false;
     CoreApplication.Properties.Add("clientSocket", socket);
     try
     {
         if (adapter == null)
         {
             rootPage.NotifyUser("连接至:" + HostNameForConnect.Text, NotifyType.StatusMessage);
             await socket.ConnectAsync(hostName, ServiceNameForConnect.Text);
             rootPage.NotifyUser("已连接", NotifyType.StatusMessage);
         }
         else
         {
             rootPage.NotifyUser("连接至:" + HostNameForConnect.Text + "使用网络适配器" + adapter.NetworkAdapterId, NotifyType.StatusMessage);
             await socket.ConnectAsync(hostName, ServiceNameForConnect.Text, SocketProtectionLevel.PlainSocket, adapter);
             rootPage.NotifyUser("Connected using network adapter " + adapter.NetworkAdapterId, NotifyType.StatusMessage);
         }
         CoreApplication.Properties.Add("connected", null);
     }
     catch (Exception exception)
     {
         if (SocketError.GetStatus(exception.HResult) == SocketErrorStatus.Unknown)
         {
             throw;
         }
         rootPage.NotifyUser("Connect failed with error: " + exception.Message, NotifyType.ErrorMessage);
     }
 }
 public static async Task<bool> IsOnline() {
   var googleHost = new HostName("google.com");
   var socket = new StreamSocket();
   try {
     var cts = new CancellationTokenSource(TimeoutMilliseconds);
     await socket.ConnectAsync(googleHost, "http").AsTask(cts.Token);
     return socket.Information.RemoteAddress != null;
   } catch {
     return false;
   }
 }
示例#37
0
        /// <summary>
        /// Creates the protocol - encapsulates the socket creation
        /// </summary>
        /// <param name="peer">The peer.</param>
        /// <returns>A protocol object</returns>
        public static async Task<Protocol> CreateProtocolAsync(PeerInformation peer)
        {
#if WINDOWS_PHONE
            // {00001101-0000-1000-8000-00805f9b34fb} specifies we want a Serial Port - see http://developer.nokia.com/Community/Wiki/Bluetooth_Services_for_Windows_Phone
            StreamSocket socket = new StreamSocket();
            await socket.ConnectAsync(peer.HostName, new Guid(0x00001101, 0x0000, 0x1000, 0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB).ToString("B"));
#elif NETFX_CORE
            StreamSocket socket = await PeerFinder.ConnectAsync(peer);
#endif
            return new Protocol(socket);
        }
示例#38
0
        protected override async void Loop()
        {
            Streams.DataReader reader = null;

            try
            {
                while (true)
                {
                    if (socket == null)
                    {
                        socket = new StreamSocket();
                        await socket.ConnectAsync(new HostName(DroneClient.Host), _ServiceName);
                    }

                    var readBuf = new Streams.Buffer((uint)NetworkBufferSize);
                    var readOp = socket.InputStream.ReadAsync(readBuf, (uint)NetworkBufferSize, Streams.InputStreamOptions.Partial);

                    readOp.Completed = (IAsyncOperationWithProgress<Streams.IBuffer, uint> asyncAction, AsyncStatus asyncStatus) =>
                    {
                        switch (asyncStatus)
                        {
                            case AsyncStatus.Completed:
                                Debug.WriteLine("Config:Completed ");
                                try
                                {
                                    Streams.IBuffer localBuf = asyncAction.GetResults();
                                    uint bytesRead = localBuf.Length;
                                    Debug.WriteLine("Config:Buffer (" + bytesRead + ")");
                                    reader = Streams.DataReader.FromBuffer(localBuf);
                                    OnDataReadCompletion(bytesRead, reader);
                                }
                                catch (Exception e)
                                {
                                    Debug.WriteLine(e.ToString());
                                }
                                break;
                            case AsyncStatus.Canceled:
                                Debug.WriteLine("Config:Canceled ");
                                break;
                            case AsyncStatus.Error:
                                Debug.WriteLine("Config:Error ");
                                break;
                        }
                    };
                    //socket.Dispose();
                    await Task.Delay(500);
                }
            }
            catch (Exception e)
            {
                Debug.WriteLine(e.ToString());
                Stop();
            }
        }
示例#39
0
        internal async Task ConnectAsync(Uri url)
        {
            underlayingSocket = new StreamSocket();
            await underlayingSocket.ConnectAsync(remoteHostName: new Windows.Networking.HostName(url.Host), remoteServiceName: url.Port.ToString());
            await SendHeaders(url);
            await SetStream();

            //underlayingClient.DefaultRequestHeaders.Add("icy-metadata", "1");
            //underlayingClient.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11");

            //await SetStream(url);
        }
示例#40
0
        /// <summary>
        /// Creates the stream the GrblDevice is working on top off.
        /// </summary>
        /// <returns></returns>
        protected override async Task <System.IO.Stream> OpenStreamAsync()
        {
            var socket = new Windows.Networking.Sockets.StreamSocket();
            await socket.ConnectAsync(
#if NETFX_CORE
                m_device.ConnectionHostName,
                m_device.ConnectionServiceName);
#else
                m_device.HostName, "1");
#endif
            m_socket = socket;
            return(socket.InputStream.AsStreamForRead());
        }
        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);
            }
        }
示例#42
0
    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);
    }
示例#43
0
        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);
            }
        }
示例#44
0
        private async void Button_Click_1(object sender, RoutedEventArgs e)
        {
            Windows.Networking.Sockets.StreamSocket streamSocket = new Windows.Networking.Sockets.StreamSocket();
            HostName      localHost  = new HostName("localhost");
            HostName      remoteHost = new HostName("www.andrea-allievi.com");
            EndpointPair  ep         = new EndpointPair(localHost, "", remoteHost, "80");
            MessageDialog dlg        = new Windows.UI.Popups.MessageDialog("");

            // Save the socket, so subsequent steps can use it.
            Windows.ApplicationModel.Core.CoreApplication.Properties.Add("clientSocket", streamSocket);

            try
            {
                await streamSocket.ConnectAsync(remoteHost, "80");
            }
            catch (Exception exc)
            {
                // If this is an unknown status it means that the error is fatal and retry will likely fail.
                if (SocketError.GetStatus(exc.HResult) == SocketErrorStatus.Unknown)
                {
                    throw;
                }

                dlg.Title   = "Socket Error!";
                dlg.Content = "Connect failed with error: " + exc.Message;
                dlg.ShowAsync();
                return;
            }

            DataWriter writer = new DataWriter(streamSocket.OutputStream);

            writer.WriteString("GET /index.html\r\n");
            await writer.StoreAsync();

            DataReader reader = new DataReader(streamSocket.InputStream);
            uint       len    = 2048;

            reader.InputStreamOptions = InputStreamOptions.Partial;
            uint numStrBytes = await reader.LoadAsync(len);

            string data = reader.ReadString(numStrBytes);

            dlg.Title   = "Received data";
            dlg.Content = data;
            await dlg.ShowAsync();
        }
示例#45
0
        /// <summary>
        /// Resolve the GEForce PC hostname to an IP Address
        /// </summary>
        /// <param name="hostName">Hostname to resolve</param>
        private async Task <String> ResolveHostName(String hostName)
        {
            HostName     serverHost   = new HostName(hostName);
            StreamSocket clientSocket = new Windows.Networking.Sockets.StreamSocket();

            // Try to connect to the remote host
            try
            {
                await clientSocket.ConnectAsync(serverHost, "47984");
            }
            catch (Exception e)
            {
                Debug.WriteLine("ResolveHostName Exception: " + e.Message);
                return(null);
            }

            return(clientSocket.Information.RemoteAddress.ToString());
        }
示例#46
0
        /// <summary>
        /// Resolve the GEForce PC hostname to an IP Address
        /// </summary>
        /// <param name="hostName">Hostname to resolve</param>
        private async Task ResolveHostName(String hostName)
        {
            HostName     serverHost   = new HostName(hostName);
            StreamSocket clientSocket = new Windows.Networking.Sockets.StreamSocket();

            // Try to connect to the remote host
            try
            {
                await clientSocket.ConnectAsync(serverHost, "http");
            }
            // TODO properly handle this exception
            catch (Exception e)
            {
                Debug.WriteLine("Exception: " + e.Message);
            }

            this.ServerIP = clientSocket.Information.RemoteAddress.ToString();
        }
示例#47
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
        }
    }
示例#48
0
    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
    }
示例#49
0
    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
    }
示例#50
0
        public async void StartClient(string Host, string PortNumber)
        {
            try
            {
                // Create the StreamSocket and establish a connection to the echo server.
                using (var streamSocket = new Windows.Networking.Sockets.StreamSocket())
                {
                    var hostName = new Windows.Networking.HostName(Host);

                    await streamSocket.ConnectAsync(hostName, PortNumber);

                    // 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();
                        }
                    }


                    // Read data from the echo server.
                    string response;
                    using (Stream inputStream = streamSocket.InputStream.AsStreamForRead())
                    {
                        using (StreamReader streamReader = new StreamReader(inputStream))
                        {
                            response = await streamReader.ReadLineAsync();
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Windows.Networking.Sockets.SocketErrorStatus webErrorStatus = Windows.Networking.Sockets.SocketError.GetStatus(ex.GetBaseException().HResult);
            }
        }
示例#51
0
    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
    }
示例#52
0
        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);
            }
        }
    //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());
        }
    }
示例#54
0
        private async void SocketListener_ConnectionReceived()
        {
            try
            {
                //Create the StreamSocket and establish a connection to the echo server.
                Windows.Networking.Sockets.StreamSocket 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("raspberrypi");

                //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 = "51717";
                await socket.ConnectAsync(serverHost, serverPort);

                //Write data to the echo server.
                Stream       streamOut = socket.OutputStream.AsStreamForWrite();
                StreamWriter writer    = new StreamWriter(streamOut);
                string       request   = textBox.Text;
                await writer.WriteLineAsync(request);

                await writer.FlushAsync();

                //Read data from the echo server.
                Stream       streamIn = socket.InputStream.AsStreamForRead();
                StreamReader reader   = new StreamReader(streamIn);
                string       response = await reader.ReadLineAsync();

                textBox1.Text = response;
                socket.Dispose();
            }
            catch (Exception e)
            {
                //Handle exception here.
            }
        }
        public async Task <string> Connect()
        {
            var rfcommServices = await bluetoothDeviced.GetRfcommServicesForIdAsync(RfcommServiceId.FromUuid(RfcommServiceId.SerialPort.Uuid), BluetoothCacheMode.Uncached);

            if (rfcommServices.Services.Count > 0)
            {
                try
                {
                    var service = rfcommServices.Services[0];
                    //  await _socket.ConnectAsync(service.ConnectionHostName, service.ConnectionServiceName);
                    _service = service;

                    // Create a socket and connect to the target
                    _socket = new StreamSocket();
                    await _socket.ConnectAsync(
                        _service.ConnectionHostName,
                        _service.ConnectionServiceName,
                        SocketProtectionLevel
                        .BluetoothEncryptionAllowNullAuthentication);

                    sost        = true;
                    inputStream = _socket.InputStream.AsStreamForRead();

                    streamReader = new StreamReader(inputStream);

                    return("Connect");
                }
                catch (Exception ex)
                {
                    sost = false;
                    return(ex.Message);
                }
            }
            sost = false;
            return("0");
        }
示例#56
0
        private async void StartClient()
        {
            int i = 0;

            while (true)
            {
                if (!UWconnectedflag)
                {
                    UI_Stream_ready_flag = false;
                    DRBE_softwarePage.UI_Stream_ready_flag = false;
                    DRBE_ap.UI_Stream_ready_flag           = false;
                    try
                    {
                        // Create the StreamSocket and establish a connection to the echo server.
                        DRBE_frontPage.Statues_tb.Text += "\r\n Client Try to Connect";
                        await Task.Delay(300);

                        await UWstreamsocket.ConnectAsync(UWhostname, UWPportnumber);

                        DRBE_frontPage.Statues_tb.Text += "\r\n Client Connected: " + UWstreamsocket.Information.LocalAddress.ToString();

                        DRBE_frontPage.DRBE_controlpanel.Message_tb.Text        += "\r\n" + DateTime.Now.ToString("HH: mm: ss~~") + "Server Connected";
                        DRBE_frontPage.DRBE_controlpanel.Server_ui_tb.Text       = "Connected";
                        DRBE_frontPage.DRBE_controlpanel.Server_ui_tb.Foreground = green_bright_button_brush;


                        UWconnectedflag = true;

                        UWoutputstream = UWstreamsocket.OutputStream.AsStreamForWrite();
                        UWinputstream  = UWstreamsocket.InputStream.AsStreamForRead();

                        UWbinarywriter = new BinaryWriter(UWoutputstream);
                        UWbinaryreader = new BinaryReader(UWinputstream);

                        DRBE_softwarePage.UWbinarywriter       = UWbinarywriter;
                        DRBE_softwarePage.UI_Stream_ready_flag = true;

                        DRBE_ap.UWbinarywriter       = UWbinarywriter;
                        DRBE_ap.UI_Stream_ready_flag = true;

                        UI_Stream_ready_flag = true;
                        testpacket           = new List <byte>(mpacket.Pass(new List <byte>()));

                        await Task.Delay(500);

                        //UWbinarywriter.Write(testpacket.ToArray(), 0, 255);
                        //UWbinarywriter.Flush();
                        StorageFolder storageFolder = ApplicationData.Current.LocalFolder;
                        string        path          = storageFolder.Path;
                        List <byte>   tosend        = new List <byte>();
                        byte[]        tbytes        = Encoding.ASCII.GetBytes(path);
                        tosend = new List <byte>(tbytes);
                        UInt16 totallen = Convert.ToUInt16(tosend.Count() + 3);
                        tosend.Insert(0, BitConverter.GetBytes(totallen)[0]);
                        tosend.Insert(0, BitConverter.GetBytes(totallen)[1]);
                        tosend.Insert(0, 0x90);
                        UWbinarywriter.Write(tosend.ToArray(), 0, tosend.Count);
                        UWbinarywriter.Flush();

                        ClientReading();
                        break;
                    }
                    catch (Exception ex)
                    {
                        await Task.Delay(1000);

                        i++;
                    }
                }
            }
            //}
        }
示例#57
0
        private async Task StartSocketClient()
        {
            try
            {
                string port = tbPort.Text;
                string svr  = tbSvrName.Text;
                //// Create the StreamSocket and establish a connection to the echo server.
                //using (var streamSocket = new 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.
                string host = tbSvrName.Text;
                port = tbPort.Text;
                var hostName = new Windows.Networking.HostName(host);

                MainPage.MP.clientListBox.Items.Add("client is trying to connect...");

                await streamSocket.ConnectAsync(hostName, port);

                _Mode = Mode.JustConnected;
                await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
                {
                    status.Text = "Socket Connected. Getting config data";
                });

                MainPage.MP.clientListBox.Items.Add("client connected");

                string request = "Hello, World";
                outputStream = streamSocket.OutputStream.AsStreamForWrite();
                streamWriter = new StreamWriter(outputStream);
                await streamWriter.WriteLineAsync(request);

                await streamWriter.FlushAsync();

                MainPage.MP.clientListBox.Items.Add(string.Format("client sent the request: \"{0}\"", request));

                // Read data from the echo server.
                string response;
                string json1 = "";
                string json2 = "";
                char[] chars = new char[1000];
                chars[1] = 'Z';
                int responseLength;

                inputStream  = streamSocket.InputStream.AsStreamForRead();
                streamReader = new StreamReader(inputStream);
                response     = await streamReader.ReadLineAsync();

                recvdText.Text = "" + response;

                responseLength = await streamReader.ReadAsync(chars, 0, 1000);

                recvdText.Text = "" + chars[0];


                if (chars[0] == '@')
                {
                    _Mode = Mode.JustConnected;
                    await streamWriter.WriteAsync('0');

                    await streamWriter.FlushAsync();
                }


                responseLength = await streamReader.ReadAsync(chars, 0, 1);

                recvdText.Text = "" + chars[0];
                if (chars[0] == '1')
                {
                    _Mode = Mode.ACK1;
                    await streamWriter.WriteAsync('2');

                    await streamWriter.FlushAsync();
                }


                responseLength = await streamReader.ReadAsync(chars, 0, 1);

                recvdText.Text = "" + chars[0];
                if (chars[0] == '3')
                {
                    _Mode = Mode.ACK3;
                    await streamWriter.WriteAsync('4');

                    await streamWriter.FlushAsync();
                }

                responseLength = await streamReader.ReadAsync(chars, 0, 1);

                recvdText.Text = "" + chars[0];
                if (chars[0] == '5')
                {
                    _Mode = Mode.ACK5;
                    await streamWriter.WriteAsync('!');

                    await streamWriter.FlushAsync();
                }


                responseLength = await streamReader.ReadAsync(chars, 0, 1);

                recvdText.Text = "" + chars[0];
                if (chars[0] == '/')
                {
                    await streamWriter.WriteAsync('/');

                    await streamWriter.FlushAsync();

                    _Mode = Mode.AwaitJson;

                    json1 = await streamReader.ReadLineAsync();

                    recvdText.Text = json1;
                    _Mode          = Mode.JsonConfig;

                    await MainPage.MP.UpdateTextAsync(json1);

                    await streamWriter.WriteAsync('~');

                    await streamWriter.FlushAsync();

                    json2 = await streamReader.ReadLineAsync();

                    recvdText.Text = "" + json2;
                    _Mode          = Mode.Config;

                    await MainPage.MP.UpdateTextAsync(json2);

                    recvdText.Text = "";
                    _Mode          = Mode.Running;


                    Listen();

                    await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
                    {
                        status.Text = "Config data received: Press [Back]";
                        this.buttonStartRecv.IsEnabled = false;
                        this.buttonStopRecv.IsEnabled  = false;
                    });
                }
                MainPage.MP.clientListBox.Items.Add(string.Format("client received the response: \"{0}\" ", "Got Json"));
            }
            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);
            }
        }
示例#58
-1
        /// <summary>
        /// Creates the stream the NmeaDevice is working on top off.
        /// </summary>
        /// <returns></returns>
        protected override async Task <System.IO.Stream> OpenStreamAsync()
        {
            var socket = new Windows.Networking.Sockets.StreamSocket();

            socket.Control.KeepAlive = true;
            if (m_devicePeer != null)
            {
                await socket.ConnectAsync(m_devicePeer.HostName, "1");
            }
            else
            {
                await socket.ConnectAsync(m_deviceService.ConnectionHostName, m_deviceService.ConnectionServiceName);
            }
            m_socket = socket;
            return(null); //We're going to use WinRT buffers instead and will handle read/write, so no reason to return a stream. This is mainly done to avoid locking issues reading and writing at the same time
        }