private static StreamSocket RunAsClient(string localPeerDisplayName, string remotePeerDisplayName)
{
PeerFinder.DisplayName = localPeerDisplayName;
PeerFinder.AllowInfrastructure = false;
PeerFinder.AllowBluetooth = false;
PeerFinder.AllowWiFiDirect = true;
PeerFinder.Start();
PeerWatcher watcher = PeerFinder.CreateWatcher();
watcher.Added += (sender, peerInfo) =>
{
if (peerInfo.DisplayName == remotePeerDisplayName)
{
SetRemotePeerInformation(peerInfo);
}
};
watcher.Start();
Task <StreamSocket> task = Task.Run(() =>
{
return((MResetEvent.WaitOne(30000))
? PeerFinder.ConnectAsync(RemotePeerInformation).AsTask().Result
: throw new Exception("Connect Timeout"));
});
EllipsisAnimation(task.Wait, "Connecting");
PeerFinder.Stop();
return(task.Result);
}
// Handles PeerFinder_ConnectButton click
async void PeerFinder_Connect(object sender, RoutedEventArgs e)
{
rootPage.NotifyUser("", NotifyType.ErrorMessage);
PeerInformation peerToConnect = null;
if (PeerFinder_FoundPeersList.Items.Count == 0)
{
rootPage.NotifyUser("Cannot connect, there were no peers found!", NotifyType.ErrorMessage);
}
else
{
try
{
peerToConnect = (PeerInformation)((ComboBoxItem)PeerFinder_FoundPeersList.SelectedItem).Tag;
if (peerToConnect == null)
{
peerToConnect = (PeerInformation)((ComboBoxItem)PeerFinder_FoundPeersList.Items[0]).Tag;
}
rootPage.NotifyUser("Connecting to " + peerToConnect.DisplayName + "....", NotifyType.StatusMessage);
StreamSocket socket = await PeerFinder.ConnectAsync(peerToConnect);
rootPage.NotifyUser("Connection succeeded", NotifyType.StatusMessage);
PeerFinder_StartSendReceive(socket, peerToConnect);
}
catch (Exception err)
{
rootPage.NotifyUser("Connection to " + peerToConnect.DisplayName + " failed: " + err.Message, NotifyType.ErrorMessage);
}
}
}
async void ConnectToPeer(PeerInformation peer)
{
try
{
_socket = await PeerFinder.ConnectAsync(peer);
// We can preserve battery by not advertising our presence.
PeerFinder.Stop();
_peerName = peer.DisplayName;
UpdateChatBox(AppResources.Msg_ChatStarted, true);
// Since this is a chat, messages can be incoming and outgoing.
// Listen for incoming messages.
ListenForIncomingMessage();
}
catch (Exception ex)
{
// In this sample, we handle each exception by displaying it and
// closing any outstanding connection. An exception can occur here if, for example,
// the connection was refused, the connection timeout etc.
MessageBox.Show(ex.Message);
CloseConnection(false);
}
}
private static StreamSocket RunAsServer(string localPeerDisplayName, string remotePeerDisplayName)
{
PeerFinder.DisplayName = localPeerDisplayName;
PeerFinder.AllowInfrastructure = false;
PeerFinder.AllowBluetooth = false;
PeerFinder.AllowWiFiDirect = true;
PeerFinder.ConnectionRequested += (sender, e) =>
{
if (e.PeerInformation.DisplayName == remotePeerDisplayName)
{
SetRemotePeerInformation(e.PeerInformation);
}
};
PeerFinder.Start();
Task <StreamSocket> task = Task.Run(() =>
{
return((MResetEvent.WaitOne(30000))
? PeerFinder.ConnectAsync(RemotePeerInformation).AsTask().Result
: throw new Exception("Listen Timeout"));
});
EllipsisAnimation(task.Wait, "Listening");
PeerFinder.Stop();
return(task.Result);
}
async void ConnectToPeer(PeerInformation peer)
{
try
{
_socket = await PeerFinder.ConnectAsync(peer);
if (_dataReader == null)
{
_dataReader = new DataReader(_socket.InputStream);
}
// We can preserve battery by not advertising our presence.
PeerFinder.Stop();
_peerName = peer.DisplayName;
//UpdateChatBox(AppResources.Msg_ChatStarted, true);
connected = true;
// Listen for incoming messages.
ListenForIncomingMessage();
}
catch (Exception ex)
{
// In this sample, we handle each exception by displaying it and
// closing any outstanding connection. An exception can occur here if, for example,
// the connection was refused, the connection timeout etc.
MessageBox.Show(ex.Message);
}
}
async void PeerFinder_Connect(object sender, RoutedEventArgs e)
{
rootPage.NotifyUser("", NotifyType.ErrorMessage);
PeerInformation peerToConnect = null;
try
{
// If nothing is selected, select the first peer
if (PeerFinder_FoundPeersList.SelectedIndex == -1)
{
peerToConnect = _peerInformationList[0];
}
else
{
peerToConnect = _peerInformationList[PeerFinder_FoundPeersList.SelectedIndex];
}
rootPage.NotifyUser("Connecting to " + peerToConnect.DisplayName + "....", NotifyType.StatusMessage);
StreamSocket socket = await PeerFinder.ConnectAsync(peerToConnect);
rootPage.NotifyUser("Connection succeeded", NotifyType.StatusMessage);
PeerFinder_StartSendReceive(socket);
}
catch (Exception err)
{
rootPage.NotifyUser("Connection to " + peerToConnect.DisplayName + " failed: " + err.Message, NotifyType.ErrorMessage);
}
}
private void DoConnect(PeerInformation peerInformation)
{
if (IsWindowsPhone)
{
var hostName = (HostName)peerInformation.GetType().GetRuntimeProperty("HostName").GetMethod.Invoke(peerInformation, null);
if (hostName != null)
{
var serviceName = (string)peerInformation.GetType().GetRuntimeProperty("ServiceName").GetMethod.Invoke(peerInformation, null);
DoConnect(hostName, "{" + rfcommServiceUuid.ToString().ToUpperInvariant() + "}");
return;
}
}
PeerFinder.ConnectAsync(peerInformation).AsTask().ContinueWith(p =>
{
if (!p.IsFaulted)
{
DoConnect(p.Result);
}
else
{
Debug.WriteLine("connection fault");
FireConnectionStatusChanged(TriggeredConnectState.Failed);
}
});
}
private async Task ConnectToPeers(PeerInformation peer)
{
try
{
progressBar.Visibility = Visibility.Visible;
UpdatePlayerStatus(peer, " - connecting...");
StreamSocket s = await PeerFinder.ConnectAsync(peer);
ConnectedPeer temp = new ConnectedPeer(peer.DisplayName);
connectedPeers[temp] = new SocketReaderWriter(s, this);
connectedPeers[temp].ReadMessage();
UpdatePlayerStatus(peer, " - ready");
ConnectedPlayers.Items.Add(peer.DisplayName);
startGameButton.Visibility = Visibility.Visible;
}
catch (Exception)
{
sendInvitationsText.Text = "Cannot connect to " + peer.DisplayName;
}
// PeerFinder.ConnectAsync aborts PeerWatcher
// restart PeerWatcher whether connect failed or succeeded
StartPeerWatcher();
}
public async Task ConnectAndSendFileAsync(PeerInformation selectedPeer, StorageFile selectedFile)
{
var socket = await PeerFinder.ConnectAsync(selectedPeer);
Verbose(string.Format("Connected to {0}, now processing transfer ...please wait", selectedPeer.DisplayName));
await SendFileToPeerAsync(selectedPeer, socket, selectedFile);
}
internal void Run()
{
PeerFinder.Role = PeerRole.Client;
PeerFinder.AllowWiFiDirect = true;
PeerFinder.TriggeredConnectionStateChanged += TriggeredConnectionStateChanged;
if ((Windows.Networking.Proximity.PeerFinder.SupportedDiscoveryTypes &
Windows.Networking.Proximity.PeerDiscoveryTypes.Browse) !=
Windows.Networking.Proximity.PeerDiscoveryTypes.Browse)
{
Console.WriteLine("Peer discovery using Wi-Fi Direct is not supported.\n");
return;
}
PeerFinder.Start();
var peerInfoCollection = PeerFinder.FindAllPeersAsync().AsTask().Result;
if (peerInfoCollection.Count == 0)
{
Console.WriteLine("No peers found");
return;
}
foreach (var info in peerInfoCollection)
{
Console.WriteLine("Peer found: {0}", info.DisplayName);
Windows.Networking.Sockets.StreamSocket socket =
PeerFinder.ConnectAsync(info).AsTask().Result;
Sender(socket);
}
}
public async Task <StreamSocket> ConnectToDevice(PeerInformation peer)
{
return(await PeerFinder.ConnectAsync(peer));
//Peer myPeer = peers.First(s => s.Name == identity);
//return await PeerFinder.ConnectAsync(myPeer.Information);
}
/// <summary>
/// Connects to a phone or a device
/// </summary>
/// <param name="options"></param>
public async void connect(string options)
{
ConnectionOptions connectionOptions;
try
{
string[] args = JsonHelper.Deserialize <string[]>(options);
connectionOptions = JsonHelper.Deserialize <ConnectionOptions>(args[0]);
}
catch (Exception)
{
this.DispatchCommandResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
return;
}
if (string.IsNullOrEmpty(connectionOptions.Address))
{
this.DispatchCommandResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
return;
}
try
{
PeerInformation peer = null;
foreach (var discoveredDevice in discoveredPeers)
{
//TODO It seems PeerInformation.HostName property sometimes returns null. So we connect to a phone/device by name instead of host address
if (discoveredDevice.DisplayName == connectionOptions.Address)
{
peer = discoveredDevice;
}
}
if (peer != null)
{
if (connectionOptions.Type == ConnectionType.PhoneToPhone)
{
connectionSocket = await PeerFinder.ConnectAsync(peer);
}
else
{
//TODO this kind of connection has not been tested yet
connectionSocket = new StreamSocket();
await connectionSocket.ConnectAsync(peer.HostName, peer.ServiceName);
}
this.DispatchCommandResult(new PluginResult(PluginResult.Status.OK));
}
else
{
this.DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Unable to find a peer with the following address: " + connectionOptions.Address));
}
}
catch (Exception)
{
this.DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error occurred while connecting to the peer"));
}
}
public async Task <string> ReceiveFileAsync(PeerInformation requestingPeer, StorageFolder folder, string outputFilename = null)
{
Verbose("Connection in process...");
StreamSocket socket = await PeerFinder.ConnectAsync(requestingPeer);
Verbose("Receiving file...");
return(await ReceiveFileFomPeer(socket, folder, outputFilename));
}
/// <summary>
/// Connects to incoming request.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private async void OnConnectionRequested(object sender, ConnectionRequestedEventArgs args)
{
try
{
connectionSocket = await PeerFinder.ConnectAsync(args.PeerInformation);
}
catch (Exception)
{
this.DispatchCommandResult(new PluginResult(PluginResult.Status.ERROR, "Error occurred while processing incoming request"));
}
}
private async void PeerFinder_ConnectionRequested(object sender, ConnectionRequestedEventArgs args)
{
PeerInformation info = args.PeerInformation;
socket = await PeerFinder.ConnectAsync(info);
if (ConnectionReceived != null)
{
ConnectionReceived(this, new RfcommStreamSocketListenerConnectionReceivedEventArgs(socket));
}
}
public static async void ConnectToPeer(PeerInformation peer)
{
try {
socket = await PeerFinder.ConnectAsync(peer);
PeerFinder.Stop();
ListenForIncomingCommand();
}
catch (Exception ex) {
MessageBox.Show(ex.Message);
}
}
private async void DoConnect(Action <IConnectedSphero> onSuccess, Action <Exception> onError)
{
try
{
var spheroSocket = await PeerFinder.ConnectAsync(PeerInformation);
onSuccess(new ConnectedSphero(PeerInformation, spheroSocket));
}
catch (Exception exception)
{
onError(exception);
}
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
private async void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
// Users wait (i.e. watch progress) on this page until the connection has succeeded/failed.
backButton.Visibility = Visibility.Collapsed;
if (navigationParameter != null)
{
WaitingForHostParameters parameters = (WaitingForHostParameters)navigationParameter;
if (parameters.Peer != null)
{
pageTitle.Text = "Connecting to " + parameters.Peer.DisplayName.ToString() + "...";
try
{
StreamSocket socket = await PeerFinder.ConnectAsync(parameters.Peer);
pageTitle.Text = "Connected! Waiting for Host...";
this.socket = new SocketReaderWriter(socket, this);
ConnectedPeer tempPeer = new ConnectedPeer(parameters.Peer.DisplayName);
connectedPeers[tempPeer] = this.socket;
PeerFinder.Stop();
StartReading();
}
catch (Exception)
{
pageTitle.Text = "Cannot connect to " + parameters.Peer.DisplayName;
PeerFinder.Stop();
}
progressBar.Visibility = Visibility.Collapsed;
backButton.Visibility = Visibility.Visible;
}
else if (parameters.Socket != null)
{
try
{
this.socket = new SocketReaderWriter(parameters.Socket, this);
pageTitle.Text = "Waiting for Host...";
socket.WriteMessage(string.Format("{0} {1}", Constants.OpCodeSendDisplayName, PeerFinder.DisplayName));
PeerFinder.Stop();
StartReading();
}
catch (Exception)
{
pageTitle.Text = "Cannot connect";
PeerFinder.Stop();
}
backButton.Visibility = Visibility.Visible;
progressBar.Visibility = Visibility.Collapsed;
}
}
}
static void Receiver(PeerInformation peerInfo)
{
Console.WriteLine("Receiver waiting to connect async");
Windows.Networking.Sockets.StreamSocket socket =
PeerFinder.ConnectAsync(peerInfo).AsTask().Result;
Console.WriteLine("Receiver connection happened");
int ini = Environment.TickCount;
using (Stream streamRead = socket.InputStream.AsStreamForRead())
using (Stream streamWrite = socket.OutputStream.AsStreamForWrite())
using (BinaryReader reader = new BinaryReader(streamRead))
using (BinaryWriter writer = new BinaryWriter(streamWrite))
{
long totalToRead = reader.ReadInt64();
Console.WriteLine("Going to read {0} bytes", totalToRead);
long read = 0;
byte[] buffer = new byte[32 * 1024 * 1024];
while (read < totalToRead)
{
long toRead = totalToRead - read;
if (toRead >= buffer.Length)
{
toRead = buffer.Length;
}
reader.Read(buffer, 0, (int)toRead);
Console.WriteLine("{0}/{1}", read, totalToRead);
read += toRead;
writer.Write(true);
writer.Flush();
}
float MB = totalToRead / 1024 / 1024;
float secs = (Environment.TickCount - ini) / 1000;
Console.WriteLine("Received {0} MB in {1} secs = {2:#0.##} MB/s",
MB, secs, MB / secs);
}
}
/// <summary>
/// 通过蓝牙连接设备
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void btConnect_Click(object sender, RoutedEventArgs e)
{
Button deleteButton = sender as Button;
PeerInformation selectedPeer = deleteButton.DataContext as PeerInformation;
//连接到选择的对等项
socket = await PeerFinder.ConnectAsync(selectedPeer);
//使用输出输入流建立数据读写对象
dataReader = new DataReader(socket.InputStream);
dataWriter = new DataWriter(socket.OutputStream);
//开始读取消息
PeerFinder_StartReader();
}
/// <summary>
/// Connect to detected remote device.
///
/// Connecting action will be invoked when a socket connection is being created.
/// Connected action will be invoked when a connection with another device has been established.
/// ConnectivityProblem action will be invoked if connection to another device cannot be made.
/// ConnectionInterrupted action will be invoked if connection to another device breaks.
/// MessageReceived action will be invoked when a message from another device has been received.
/// <param name="peer">Peer to connect to</param>
/// </summary>
public async void Connect(PeerInformation peer)
{
_status = ConnectionStatusValue.Connecting;
try
{
if (Connecting != null)
{
Connecting();
}
_socket = await PeerFinder.ConnectAsync(peer);
if (_socket != null)
{
PeerFinder.TriggeredConnectionStateChanged -= TriggeredConnectionStateChanged;
PeerFinder.ConnectionRequested -= ConnectionRequested;
_status = ConnectionStatusValue.Connected;
_writer = new DataWriter(_socket.OutputStream);
_writer.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
_writer.ByteOrder = Windows.Storage.Streams.ByteOrder.LittleEndian;
_reader = new DataReader(_socket.InputStream);
_reader.UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8;
_reader.ByteOrder = Windows.Storage.Streams.ByteOrder.LittleEndian;
ListenAsync();
SendNameAsync(NFCTalk.DataContext.Singleton.Settings.Name);
if (Connected != null)
{
Connected();
}
}
else if (ConnectivityProblem != null)
{
ConnectivityProblem();
}
}
catch (Exception ex)
{
if (ConnectivityProblem != null)
{
ConnectivityProblem();
}
}
}
async private void PeerFinder_Accept(object sender, RoutedEventArgs e)
{
rootPage.NotifyUser("Connecting to " + _requestingPeer.DisplayName + "....", NotifyType.StatusMessage);
PeerFinder_AcceptButton.Visibility = Visibility.Collapsed;
try
{
StreamSocket socket = await PeerFinder.ConnectAsync(_requestingPeer);
rootPage.NotifyUser("Connection succeeded", NotifyType.StatusMessage);
PeerFinder_StartSendReceive(socket);
}
catch (Exception err)
{
rootPage.NotifyUser("Connection to " + _requestingPeer.DisplayName + " failed: " + err.Message, NotifyType.ErrorMessage);
}
}
private async void ReceiveImage(PeerInformation peer)
{
try
{
Status.Text = "Verbinde mit Peer...";
StreamSocket peerSocket = await PeerFinder.ConnectAsync(peer);
Status.Text = "Verbunden. Empfange Daten...";
// DataReader erzeugen, um arbeiten mit Bytes zu vereinfachen
var reader = new DataReader(peerSocket.InputStream);
// Anzahl der Bytes abrufen, aus denen das Bild besteht
// Anzahl = int = 4 Bytes => 4 Bytes vom Socket laden
await reader.LoadAsync(4);
int imageSize = reader.ReadInt32();
// Bytearray des Bildes laden
await reader.LoadAsync((uint)imageSize);
byte[] imageBytes = new byte[imageSize];
reader.ReadBytes(imageBytes);
// Bytearray in Stream laden und anzeigen
using (var ms = new MemoryStream(imageBytes))
{
var image = new BitmapImage();
image.SetSource(ms);
ReceivedImage.Source = image;
}
Status.Text = "Bild empfangen.";
// Ressourcen freigeben
reader.Dispose();
peerSocket.Dispose();
// Wieder Verbindungen akzeptieren
PeerFinder.Start();
}
catch (Exception ex)
{
MessageBox.Show("Fehler: " + ex.Message);
Status.Text = "Bereit.";
}
}
async void ConnectToPeer(PeerInformation peer)
{
try
{
App.linkSocket = await PeerFinder.ConnectAsync(peer);
// We can preserve battery by not advertising our presence.
PeerFinder.Stop();
}
catch (Exception ex)
{
// In this sample, we handle each exception by displaying it and
// closing any outstanding connection. An exception can occur here if, for example,
// the connection was refused, the connection timeout etc.
MessageBox.Show(ex.Message);
CloseConnection(false);
}
}
private async Task ConnectCommand()
{
this.IsConnecting = true;
try
{
this.ConnectedPeer = "Connecting...";
var socket = await PeerFinder.ConnectAsync(this.SelectedPeer.Information);
this.InitializeSocket(socket);
this.ConnectedPeer = this.SelectedPeer.Name;
}
catch (Exception ex)
{
this.ErrorMessage = ex.Message;
this.ConnectedPeer = "Connection Failed.";
}
this.IsConnecting = false;
}
private async void PeerFinderConnectionRequested(object sender, ConnectionRequestedEventArgs args)
{
if (this.isConnecting)
{
return;
}
try
{
this.RouteToUiThread(
() =>
{
this.IsConnecting = true;
this.ConnectedPeer = string.Format(
"Incoming request from {0}...",
args.PeerInformation.DisplayName);
});
var socket = await PeerFinder.ConnectAsync(args.PeerInformation);
this.InitializeSocket(socket);
this.RouteToUiThread(
() =>
{
this.IsConnecting = false;
var peer =
this.Peers.FirstOrDefault(p => p.Information.Id == args.PeerInformation.Id);
if (peer == null)
{
peer = new FoundPeer(args.PeerInformation);
this.Peers.Add(peer);
}
this.SelectedPeer = peer;
this.ConnectedPeer = peer.Name;
});
}
catch (Exception ex)
{
this.RouteToUiThread(() => this.ErrorMessage = ex.Message);
}
}
async void ConnectToPeer(PeerInformation peer)
{
try
{
StreamSocket socket = await PeerFinder.ConnectAsync(peer);
App.Socket = socket;
//imageBytes = await dataHelper.ReceiveDataAsync();
//this.Dispatcher.BeginInvoke(() =>
//{
// MessageBox.Show(string.Format("Received {0} bytes", imageBytes.Length));
//});
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public async Task <bool> ConnectToPeer(PeerInformation peer)
{
try {
_socket = await PeerFinder.ConnectAsync(peer);
if (_socket != null)
{
// Den PeerFinder stoppen, um Energie zu sparen ;-)
PeerFinder.Stop();
_peerName = peer.DisplayName;
_dataReader = new DataReader(_socket.InputStream);
_dataWriter = new DataWriter(_socket.OutputStream);
_dataReadWorker.RunWorkerAsync();
return(true);
}
} catch (Exception ex) {
MessageBox.Show(ex.Message);
Terminate();
}
return(false);
}
private async void TransferPicture_Click(object sender, RoutedEventArgs e)
{
var selectedPeer = PeersList.SelectedItem as PeerInformation;
if (selectedPeer == null)
{
MessageBox.Show("Bitte Emfängergerät wählen");
return;
}
try
{
Status.Text = "Verbinde mit Peer...";
var peerSocket = await PeerFinder.ConnectAsync(selectedPeer);
var writer = new DataWriter(peerSocket.OutputStream);
Status.Text = "Verbunden. Übertrage Bild...";
// Anzahl der zu übertragenden Bytes übertragen
writer.WriteInt32(App.ImageBytesToTransfer.Length);
await writer.StoreAsync();
// Image-Bytes übertragen
writer.WriteBytes(App.ImageBytesToTransfer);
await writer.StoreAsync();
await writer.FlushAsync();
// Ressourcen freigeben
writer.Dispose();
peerSocket.Dispose();
Status.Text = "Übertragung abgeschlossen";
}
catch (Exception ex)
{
MessageBox.Show("Fehler: " + ex.Message);
Status.Text = "Bereit.";
}
}
private void DoConnect(PeerInformation peerInformation)
{
#if WINDOWS_PHONE
if (peerInformation.HostName != null)
{
DoConnect(peerInformation.HostName, peerInformation.ServiceName);
return;
}
#endif
PeerFinder.ConnectAsync(peerInformation).AsTask().ContinueWith(p =>
{
if (!p.IsFaulted)
{
DoConnect(p.Result);
}
else
{
Debug.WriteLine("connection fault");
FireConnectionStatusChanged(TriggeredConnectState.Failed);
}
});
}
