private async void SendUdpMessage(char[] message)
{
Stream streamOut = (await socket.GetOutputStreamAsync(serverHost, port)).AsStreamForWrite();
StreamWriter streamWriter = new StreamWriter(streamOut);
await streamWriter.WriteLineAsync(message, 0, message.Length);
await streamWriter.FlushAsync();
}
private async void ServerDatagramSocket_MessageReceived(Windows.Networking.Sockets.DatagramSocket sender, Windows.Networking.Sockets.DatagramSocketMessageReceivedEventArgs args)
{
string request;
using (DataReader dataReader = args.GetDataReader())
{
request = dataReader.ReadString(dataReader.UnconsumedBufferLength).Trim();
}
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => listbox_Logger.Items.Add(request));
// Echo the request back as the response.
using (Stream outputStream = (await sender.GetOutputStreamAsync(args.RemoteAddress, "1337")).AsStreamForWrite())
{
using (var streamWriter = new StreamWriter(outputStream))
{
await streamWriter.WriteLineAsync(request);
await streamWriter.FlushAsync();
}
}
//await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => this.listbox_Logger.Items.Add(string.Format("server sent back the response: \"{0}\"", request)));
sender.Dispose();
// await this.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => this.listbox_Logger.Items.Add("server closed its socket"));
}
private async void StartClient()
{
try
{
// Create the DatagramSocket and establish a connection to the echo server.
var clientDatagramSocket = new Windows.Networking.Sockets.DatagramSocket();
clientDatagramSocket.MessageReceived += ClientDatagramSocket_MessageReceived;
// 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");
await clientDatagramSocket.BindServiceNameAsync("servername");
// Send a request to the echo server.
string request = "Hello, World!";
using (var serverDatagramSocket = new Windows.Networking.Sockets.DatagramSocket())
{
using (Stream outputStream = (await serverDatagramSocket.GetOutputStreamAsync(hostName, "3655")).AsStreamForWrite())
{
using (var streamWriter = new StreamWriter(outputStream))
{
//await streamWriter.WriteAsync();
await streamWriter.FlushAsync();
}
}
}
}
catch (Exception ex)
{
Windows.Networking.Sockets.SocketErrorStatus webErrorStatus = Windows.Networking.Sockets.SocketError.GetStatus(ex.GetBaseException().HResult);
}
}
public void SendTo(byte[] messageData, UdpEndPoint endPoint)
{
using (var stream = (_Socket.GetOutputStreamAsync(new Windows.Networking.HostName(endPoint.IPAddress), endPoint.Port.ToString()).AsTask().Result))
{
using (var outStream = stream.AsStreamForWrite())
{
outStream.Write(messageData, 0, messageData.Length);
outStream.Flush();
}
}
}
public async void StartReceiveAsync()
{
isRun = true;
while(isRun)
{
if(!isReceive)
{
System.Diagnostics.Debug.WriteLine("Start Receive");
udpSocket = new Windows.Networking.Sockets.DatagramSocket();
udpSocket.MessageReceived += UdpSocket_MessageReceived;
Windows.Networking.HostName hostName = null;
IReadOnlyList<Windows.Networking.HostName> networkinfo = Windows.Networking.Connectivity.NetworkInformation.GetHostNames();
foreach (Windows.Networking.HostName h in networkinfo)
{
if (h.IPInformation != null)
{
Windows.Networking.Connectivity.IPInformation ipinfo = h.IPInformation;
if (h.RawName == IPAddr)
{
hostName = h;
break;
}
}
}
if (hostName != null)
await udpSocket.BindEndpointAsync(hostName, Port);
else
await udpSocket.BindServiceNameAsync(Port);
outstm = await udpSocket.GetOutputStreamAsync(new Windows.Networking.HostName("255.255.255.255"), "49002");
await outstm.FlushAsync();
Windows.Storage.Streams.DataWriter dw = new Windows.Storage.Streams.DataWriter(outstm);
dw.WriteString("Start Receive");
await dw.StoreAsync();
isReceive = true;
}
else
{
if(CurrentStat.GPSStatus !=null & CurrentStat.ATTStatus != null)
{
if (onXPlaneStatReceived != null)
onXPlaneStatReceived.Invoke(this, CurrentStat);
}
System.Diagnostics.Debug.WriteLine("Try To Sleep");
isReceive = false;
await udpSocket.CancelIOAsync();
udpSocket.MessageReceived -= UdpSocket_MessageReceived;
udpSocket.Dispose();
udpSocket = null;
}
await Task.Delay(waitSeconds*1000);
}
}
public async static Task SendMessage(Windows.Networking.Sockets.DatagramSocket socket, HostName hostName, string port, string request)
{
UTF8Encoding utf8 = new UTF8Encoding();
var temp = utf8.GetBytes(request);
string request8 = utf8.GetString(temp);
using (Stream outputStream = (await socket.GetOutputStreamAsync(hostName, port)).AsStreamForWrite())
{
using (var streamWriter = new StreamWriter(outputStream))
{
await streamWriter.WriteAsync(request8);
await streamWriter.FlushAsync();
}
}
}
/// <summary>
/// Stop voice recording.
/// </summary>
private async void StopCapture(MediaElement mediaElement)
{
if (Status != RecorderStatus.Recording)
{
return;
}
Debug.WriteLine("Stopping recording");
await _mediaCapture.StopRecordAsync();
Debug.WriteLine("Stop recording successful");
Status = RecorderStatus.Initial;
_recordingStream.Seek(0);
//mediaElement.AutoPlay = true;
//mediaElement.SetSource(_recordingStream, "");
//mediaElement.Play();
//var buffer = new Windows.Storage.Streams.Buffer(4000000);
//await _recordingStream.ReadAsync(buffer, buffer.Capacity, InputStreamOptions.None);
//var bytes = buffer.ToArray();
var clientDatagramSocket = new Windows.Networking.Sockets.DatagramSocket();
var hostName = new Windows.Networking.HostName(HostName);
await clientDatagramSocket.ConnectAsync(hostName, Port);
using (var serverDatagramSocket = new Windows.Networking.Sockets.DatagramSocket())
{
using (Stream outputStream = (await serverDatagramSocket.GetOutputStreamAsync(hostName, Port)).AsStreamForWrite())
{
var buffer = new Windows.Storage.Streams.Buffer(MaxUdpPackageSize);
while (true)
{
var retrievedBuffer = _recordingStream.ReadAsync(buffer, MaxUdpPackageSize, InputStreamOptions.None).GetResults();
if (retrievedBuffer == null || retrievedBuffer.Length < 1)
{
break;
}
outputStream.Write(retrievedBuffer.ToArray(), 0, (int)retrievedBuffer.Length);
outputStream.Flush();
}
}
}
}
private async void StartClient()
{
try
{
// Create the DatagramSocket and establish a connection to the echo server.
var clientDatagramSocket = new Windows.Networking.Sockets.DatagramSocket();
clientDatagramSocket.MessageReceived += ClientDatagramSocket_MessageReceived;
// 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 about to bind...");
await clientDatagramSocket.BindServiceNameAsync(UDPSocketPage.ClientPortNumber);
this.clientListBox.Items.Add(string.Format("client is bound to port number {0}", UDPSocketPage.ClientPortNumber));
// Send a request to the echo server.
string request = "Hello, World!";
using (var serverDatagramSocket = new Windows.Networking.Sockets.DatagramSocket())
{
using (Stream outputStream = (await serverDatagramSocket.GetOutputStreamAsync(hostName, UDPSocketPage.ServerPortNumber)).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));
}
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 async void Characteristic_ValueChanged(GattCharacteristic sender, GattValueChangedEventArgs args)
{
// BT_Code: An Indicate or Notify reported that the value has changed.
// Display the new value with a timestamp.
var newValue = FormatValueByPresentation(args.CharacteristicValue, presentationFormat);
Windows.Networking.Sockets.DatagramSocket socket = new Windows.Networking.Sockets.DatagramSocket();
Windows.Networking.HostName clientName = new Windows.Networking.HostName("127.0.0.1");
string clientPort = "10001";
Stream streamOut = (await socket.GetOutputStreamAsync(clientName, clientPort)).AsStreamForWrite();
StreamWriter writer = new StreamWriter(streamOut);
await writer.WriteLineAsync("beat");
await writer.FlushAsync();
var message = $"Value at {DateTime.Now:hh:mm:ss.FFF}: {newValue}";
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() => CharacteristicLatestValue.Text = message);
}
