|
private GetOutputStreamAsync ( [ endpointPair ) : IAsyncOperation |
||
| endpointPair | [ | |
| return | IAsyncOperation |
|
public static async void init(TiSettings settings) {
if (!settings.ContainsKey("logToken") || settings["logToken"].Length == 0) {
return;
}
logToken = settings["logToken"];
multicastSocket = new DatagramSocket();
multicastSocket.MessageReceived += multicastSocket_MessageReceived;
HostName hostname = new HostName("239.6.6.6");
try {
await multicastSocket.BindServiceNameAsync("8666");
multicastSocket.JoinMulticastGroup(hostname);
IOutputStream stream = await multicastSocket.GetOutputStreamAsync(hostname, "8666");
DataWriter writer = new DataWriter(stream);
writer.WriteString("TI_WP8_LOGGER");
await writer.StoreAsync();
writer.DetachStream();
stream.Dispose();
} catch (Exception ex) {
if (SocketError.GetStatus(ex.HResult) == SocketErrorStatus.Unknown) {
throw;
}
Debug.WriteLine(ex.ToString());
}
}
private async void btnConnect_Click(object sender, RoutedEventArgs e)
{
Windows.Networking.Sockets.DatagramSocket socket = new Windows.Networking.Sockets.DatagramSocket();
socket.MessageReceived += Socket_MessageReceived;
//You can use any port that is not currently in use already on the machine. We will be using two separate and random
//ports for the client and server because both the will be running on the same machine.
string serverPort = "8001";
string clientPort = "8002";
//Because we will be running the client and server on the same machine, we will use localhost as the hostname.
Windows.Networking.HostName serverHost = new Windows.Networking.HostName("127.0.0.1");
//Bind the socket to the clientPort so that we can start listening for UDP messages from the UDP echo server.
await socket.BindServiceNameAsync(clientPort);
await socket.ConnectAsync(serverHost, serverPort);
//Write a message to the UDP echo server.
Stream streamOut = (await socket.GetOutputStreamAsync(serverHost, serverPort)).AsStreamForWrite();
StreamWriter writer = new StreamWriter(streamOut);
string message = "I'm the message from client!";
await writer.WriteLineAsync(message);
await writer.FlushAsync();
}
private async void SendMessage_Click(object sender, RoutedEventArgs e)
{
SendOutput.Text = "";
try
{
var remoteHostname = new HostName(RemoteAddress.Text);
var outputStream = await listenerSocket.GetOutputStreamAsync(remoteHostname, ServiceName.Text);
const string stringToSend = "Hello";
var writer = new DataWriter(outputStream);
writer.WriteString(stringToSend);
await writer.StoreAsync();
SendOutput.Text = "\"" + stringToSend + "\" sent successfully.";
}
catch (Exception exception)
{
if (SocketError.GetStatus(exception.HResult) == SocketErrorStatus.Unknown)
{
throw;
}
_rootPage.NotifyUser("Send failed with error: " + exception.Message, NotifyType.ErrorMessage);
}
}
public async void DoesAThing()
{
var hostName = new HostName("stun.l.google.com");
var port = 19302;
var taskCompletionSource = new TaskCompletionSource<StunUri>();
using (var datagramSocket = new DatagramSocket())
{
datagramSocket.MessageReceived += async (sender, e) =>
{
var buffer = await e.GetDataStream().ReadAsync(null, 100, InputStreamOptions.None).AsTask();
var stunMessage = StunMessage.Parse(buffer.ToArray());
var xorMappedAddressStunMessageAttribute = stunMessage.Attributes.OfType<XorMappedAddressStunMessageAttribute>().Single();
taskCompletionSource.SetResult(new StunUri(xorMappedAddressStunMessageAttribute.HostName, xorMappedAddressStunMessageAttribute.Port));
};
using (var inMemoryRandomAccessStream = new InMemoryRandomAccessStream())
{
var stunMessageId = new StunMessageId(CryptographicBuffer.GenerateRandom(12).ToArray());
var stunMessageType = StunMessageType.BindingRequest;
var stunMessageAttributes = new StunMessageAttribute[] { };
var stunMessage = new StunMessage(stunMessageType, stunMessageAttributes, stunMessageId);
var bytes = stunMessage.ToLittleEndianByteArray();
var outputStream = await datagramSocket.GetOutputStreamAsync(hostName, $"{port}");
var written = await outputStream.WriteAsync(bytes.AsBuffer());
}
}
var result = await taskCompletionSource.Task;
Assert.AreEqual(result.HostName, new HostName("200.100.50.25"));
Assert.AreEqual(result.Port, 12345);
}
public async void SendMsg(string msg)
{
Stream streamOut = (await socket.GetOutputStreamAsync(serverHost, serverPort)).AsStreamForWrite();
StreamWriter writer = new StreamWriter(streamOut);
await writer.WriteLineAsync(msg);
await writer.FlushAsync();
}
private async Task ExecuteDiscoveryTask()
{
int repeatTime = EndpointController.REPEAT_DISCOVERY_TASK / 2;
while (running)
{
Debug.WriteLine("#> [DiscoveryCloudletMulticast]: Started Cloudlet Discovery using Multicast UDP");
retry = 0;
DatagramSocket socketSent = null;
DatagramSocket socketReplay = null;
try
{
socketSent = new DatagramSocket();
await socketSent.BindEndpointAsync(null, string.Empty);
socketSent.JoinMulticastGroup(ip);
socketReplay = new DatagramSocket();
socketReplay.MessageReceived += SocketOnMessageReceived;
await socketReplay.BindServiceNameAsync(replyCloudletPort.ToString());
using (DataWriter writer = new DataWriter(await socketSent.GetOutputStreamAsync(ip, multicastPort.ToString())))
{
while (retry < 60 && running)
{
writer.WriteString("mpos_cloudlet_req");
await writer.StoreAsync();
await writer.FlushAsync();
await Task.Delay(500);
retry++;
}
}
}
catch (IOException e)
{
Debug.WriteLine("## [DiscoveryCloudletMulticast]: Any problem with i/o in multicast system!\n" + e.ToString());
}
finally
{
socketSent.Dispose();
socketReplay.Dispose();
socketSent = null;
socketReplay = null;
}
if (running)
{
Debug.WriteLine(">> [DiscoveryCloudletMulticast]: Retry Discovery Cloudlet, in " + repeatTime + " ms");
await Task.Delay(repeatTime);
}
else
{
Debug.WriteLine("#> [DiscoveryCloudletMulticast]: Finished Discovery Cloudlet");
}
}
}
/// <summary>
/// Attempts to send a magic packet to the desination hostname, on the specified port with the specified MAC address.
/// </summary>
/// <param name="destination">Destination hostname or IP address.</param>
/// <param name="destinationPort">Destination port number.</param>
/// <param name="targetMac">Destination MAC address. Bytes can be separated by colons, dashes, or nothing.</param>
/// <returns>True if magic packet is sent successfully, false otherwise.</returns>
public async Task<bool> SendMagicPacket(Windows.Networking.HostName destination, uint destinationPort, string targetMac)
{
try
{
DatagramSocket _socket = new DatagramSocket();
using (var stream = await _socket.GetOutputStreamAsync(destination, destinationPort.ToString()))
{
//Split on common MAC separators
char? splitChar = null;
if (targetMac.Contains('-'))
splitChar = '-';
else if (targetMac.Contains(':'))
splitChar = ':';
else if (targetMac.Contains(' '))
splitChar = ' ';
//Turn MAC into array of bytes
byte[] macAsArray;
if (splitChar != null)
{
macAsArray = targetMac.Split((char)splitChar)
.Select(b => Convert.ToByte(b, 16))
.ToArray<byte>();
}
else
{
//Jump through MAC-string, reading 2 chars at a time
macAsArray = Enumerable.Range(0, targetMac.Length)
.Where(x => x % 2 == 0)
.Select(x => Convert.ToByte(targetMac.Substring(x, 2), 16)) //16 = hexadecimal
.ToArray();
}
List<byte> magicPacket = new List<byte> { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
//A WoLAN magic packet is just FF FF FF FF FF FF, then the target MAC adress repeated 16 times.
for (int i = 0; i < 16; i++)
{
magicPacket = magicPacket.Concat(macAsArray).ToList();
}
using (DataWriter writer = new DataWriter(stream))
{
writer.WriteBytes(magicPacket.ToArray<byte>());
await writer.StoreAsync();
await writer.FlushAsync();
return true;
}
}
}
catch (Exception e)
{
Debug.WriteLine(e);
return false;
}
}
/// <summary>
/// Returns list of bridge IPs
/// </summary>
/// <returns></returns>
public async Task<IEnumerable<string>> LocateBridgesAsync(TimeSpan timeout)
{
if (timeout <= TimeSpan.Zero)
throw new ArgumentException("Timeout value must be greater than zero.", "timeout");
var discoveredDevices = new List<string>();
var multicastIP = new HostName("239.255.255.250");
using (var socket = new DatagramSocket())
{
//Handle MessageReceived
socket.MessageReceived += (sender, e) =>
{
var reader = e.GetDataReader();
var bytesRemaining = reader.UnconsumedBufferLength;
var receivedString = reader.ReadString(bytesRemaining);
var location = receivedString.Substring(receivedString.ToLower().IndexOf("location:", System.StringComparison.Ordinal) + 9);
receivedString = location.Substring(0, location.IndexOf("\r", System.StringComparison.Ordinal)).Trim();
discoveredDevices.Add(receivedString);
};
await socket.BindEndpointAsync(null, string.Empty);
socket.JoinMulticastGroup(multicastIP);
var start = DateTime.Now;
do
{
using (var stream = await socket.GetOutputStreamAsync(multicastIP, "1900"))
using (var writer = new DataWriter(stream))
{
string request = "M-SEARCH * HTTP/1.1\r\n" +
"HOST:239.255.255.250:1900\r\n" +
//"ST:urn:schemas-upnp-org:device:Basic:1\r\n" + //Alternative
// "ST:upnp:rootdevice\r\n" + //Alternative
"ST:SsdpSearch:all\r\n" +
"MAN:\"ssdp:discover\"\r\n" +
"MX:3\r\n\r\n\r\n";
writer.WriteString(request.ToString());
await writer.StoreAsync();
}
}
while (DateTime.Now.Subtract(start) < timeout); // try for thee seconds
}
return await FilterBridges(discoveredDevices);
}
private async void OnMessageReceived(
DatagramSocket sender,
DatagramSocketMessageReceivedEventArgs args)
{
var senderHostname = new HostName(args.RemoteAddress.RawName);
var writer = new DataWriter(await sender.GetOutputStreamAsync(senderHostname, args.RemotePort));
var stream = new NetworkStream(args.GetDataReader(), writer);
this.clients.ForEach(x => x.MessageReceived(this, stream));
}
private async Task DoWakeOnLan(string macAddress, string ipAddress, string port)
{
var socket = new DatagramSocket();
await socket.BindServiceNameAsync("0");
var o = await socket.GetOutputStreamAsync(new HostName(ipAddress), port);
var writer = new DataWriter(o);
writer.WriteBytes(GetBuffer(macAddress));
await writer.StoreAsync();
socket.Dispose();
}
public async void StartServer(string port)
{
_socket = new DatagramSocket();
var control = _socket.Control;
_socket.MessageReceived += OnMessageRecived;
await _socket.BindServiceNameAsync(port);
var host = new HostName("192.168.137.1");
var outputStream = await _socket.GetOutputStreamAsync(host, "8001");
_writer = new DataWriter(outputStream);
}
private async void Search(string st, TimeSpan? timeout = null)
{
Log("Search - " + st);
var ssdp_data = new StringBuilder()
.Append("M-SEARCH * HTTP/1.1").Append("\r\n")
.Append("HOST: ").Append(MULTICAST_ADDRESS).Append(":").Append(SSDP_PORT.ToString()).Append("\r\n")
.Append("MAN: ").Append("\"ssdp:discover\"").Append("\r\n")
.Append("MX: ").Append(MX.ToString()).Append("\r\n")
.Append("ST: ").Append(st).Append("\r\n")
.Append("\r\n")
.ToString();
var adapters = TargetNetworkAdapters ?? await GetActiveAdaptersAsync().ConfigureAwait(false);
await Task.WhenAll(adapters.Select(async adapter =>
{
using (var socket = new DatagramSocket())
{
socket.Control.DontFragment = true;
socket.MessageReceived += OnDatagramSocketMessageReceived;
try
{
await socket.BindServiceNameAsync("", adapter);
using (var output = await socket.GetOutputStreamAsync(MULTICAST_HOST, SSDP_PORT.ToString()))
{
using (var writer = new DataWriter(output))
{
writer.WriteString(ssdp_data);
await writer.StoreAsync();
}
}
await Task.Delay(timeout ?? DEFAULT_TIMEOUT).ConfigureAwait(false);
Log("Search Timeout");
await socket.CancelIOAsync();
}
catch (Exception e)
{
Log("Failed to send multicast: " + e.StackTrace);
}
socket.MessageReceived -= OnDatagramSocketMessageReceived;
}
})).ConfigureAwait(false);
Finished?.Invoke(this, new EventArgs());
}
private async Task SendTick()
{
using (var socket = new DatagramSocket())
{
await socket.BindServiceNameAsync(string.Empty);
socket.JoinMulticastGroup(new HostName(BroadcastAddress));
var outputStream =
await socket.GetOutputStreamAsync(new HostName(BroadcastAddress), RemoteServiceName);
var buffer = Encoding.UTF8.GetBytes("TT_SEND_DEVICE_INFO");
await outputStream.WriteAsync(buffer.AsBuffer());
await outputStream.FlushAsync();
Debug.WriteLine("TICK Broadcasted to {0}:{1}", BroadcastAddress, RemoteServiceName);
}
}
private async void _socket_OnMessageReceived(DatagramSocket sender, DatagramSocketMessageReceivedEventArgs e)
{
var reader = e.GetDataReader();
string message = reader.ReadString(reader.UnconsumedBufferLength);
Logger.Trace("Message from {0}:{1}:\n{2}", e.RemoteAddress.RawName, e.RemotePort, message);
IOutputStream outputStream = await sender.GetOutputStreamAsync(e.RemoteAddress, e.RemotePort);
Received(this, new PeerCommandEventArgs
{
Data = message,
Peer = new RemotePeer(_serializer, this, outputStream, e.RemoteAddress, e.RemotePort),
});
}
public async Task<List<ServerDiscoveryInfo>> FindServers(int timeoutMs, CancellationToken cancellationToken)
{
var result = new List<ServerDiscoveryInfo>();
var tcs = new TaskCompletionSource<List<ServerDiscoveryInfo>>();
var ct = new CancellationTokenSource(timeoutMs);
ct.Token.Register(() => tcs.SetResult(result), useSynchronizationContext: false);
var socket = new DatagramSocket();
socket.MessageReceived += (sender, args) =>
{
try
{
var reader = args.GetDataReader();
uint stringLength = args.GetDataReader().UnconsumedBufferLength;
var rawData = args.GetDataReader().ReadString(stringLength);
var server = JsonConvert.DeserializeObject<ServerDiscoveryInfo>(rawData);
result.Add(server);
}
catch
{
tcs.SetResult(result);
}
};
try
{
using (var stream = await socket.GetOutputStreamAsync(new HostName("255.255.255.255"), "7359"))
{
using (var writer = new DataWriter(stream))
{
var data = Encoding.UTF8.GetBytes("who is MediaBrowserServer_v2?");
writer.WriteBytes(data);
writer.StoreAsync();
}
}
}
catch
{
tcs.SetResult(result);
}
return await tcs.Task;
}
public async Task Send(byte[] command)
{
using (var socket = new DatagramSocket())
{
using (var stream = await socket.GetOutputStreamAsync(this.hostName, this.port))
{
using (var dataWriter = new DataWriter(stream))
{
dataWriter.WriteBytes(command);
await dataWriter.StoreAsync();
dataWriter.DetachStream();
}
}
}
}
public async Task DiscoverDevices()
{
string response = String.Empty;
DatagramSocket socket = new DatagramSocket();
socket.MessageReceived += Socket_MessageReceived;
using (var stream = await socket.GetOutputStreamAsync(new HostName("255.255.255.255"), OSCClient.PORT))
using (var writer = new DataWriter(stream))
{
OSCMessage msg = new OSCMessage("/info");
writer.WriteBytes(msg.BinaryData);
await writer.StoreAsync();
}
}
public async void Search()
{
if (isSearching)
return;
isSearching = true;
var socket = new DatagramSocket();
socket.MessageReceived += async (sender, args) =>
{
DataReader reader = args.GetDataReader();
uint count = reader.UnconsumedBufferLength;
string data = reader.ReadString(count);
var response = new Dictionary<string, string>();
foreach (
string x in
data.Split(new[] { "\r\n", "\n" }, StringSplitOptions.None))
{
if (x.Contains(":"))
{
string[] strings = x.Split(':');
response.Add(strings[0].ToLower(), x.Remove(0, strings[0].Length + 1));
}
}
Device device = await GetXml(response);
Debug.WriteLine($"Device found : {device.DeviceType.friendlyName}");
if (DeviceFound != null)
DeviceFound(this, new DeviceFoundEventArgs(device));
};
IOutputStream stream = await socket.GetOutputStreamAsync(new HostName("239.255.255.250"), "1900");
const string message = "M-SEARCH * HTTP/1.1\r\n" +
"HOST: 239.255.255.250:1900\r\n" +
"ST:upnp:rootdevice\r\n" +
"MAN:\"ssdp:discover\"\r\n" +
"MX:3\r\n\r\n";
var writer = new DataWriter(stream) { UnicodeEncoding = Windows.Storage.Streams.UnicodeEncoding.Utf8 };
writer.WriteString(message);
await writer.StoreAsync();
isSearching = false;
}
public async Task SendMessage(byte[] message, string host, string port)
{
sender = new DatagramSocket();
try
{
using (var stream = await sender.GetOutputStreamAsync(new HostName(host), port))
{
var writer = new DataWriter(stream);
writer.WriteBytes(message);
await writer.StoreAsync();
playPage.DisplayMessages(name + " :Send message");
}
}
catch (Exception ex)
{
playPage.DisplayMessages(name + " :Error: Send Message\n" + ex.ToString());
}
sender.Dispose();
}
/// <summary>
/// @see http://www.johnthom.com/implementing-ssdp-search-in-windows-phone-8-using-winrt/
/// </summary>
public async Task DiscoverDevices()
{
int timeout = 3000;
var remoteIp = "239.255.255.250";
var remoteIpHostName = new Windows.Networking.HostName(remoteIp);
var port = "1900";
string query = "M-SEARCH * HTTP/1.1\r\n" +
"HOST: 239.255.255.250:1900\r\n" +
"ST: upnp:rootdevice\r\n" +
"MAN: \"ssdp:discover\"\r\n" +
"MX: " + timeout.ToString() + "\r\n\r\n";
var buffer = Encoding.UTF8.GetBytes(query);
using (var socket = new DatagramSocket())
{
socket.MessageReceived += (sender, args) => {
Task.Run(() => {
using (var reader = args.GetDataReader())
{
byte[] respBuff = new byte[reader.UnconsumedBufferLength];
reader.ReadBytes(respBuff);
string response = Encoding.UTF8.GetString(respBuff, 0, respBuff.Length).ToLower();
response.Trim('\0');
ProcessSSDPResponse(response);
}
});
};
await socket.BindEndpointAsync(null, "");
socket.JoinMulticastGroup(remoteIpHostName);
using (var stream = await socket.GetOutputStreamAsync(remoteIpHostName, port))
{
await stream.WriteAsync(buffer.AsBuffer());
}
// Execute within timeout
await Task.Delay(timeout);
}
}
// Listenerがメッセージを受信したときのハンドラ
private async void MessageReceivedAsync(Windows.Networking.Sockets.DatagramSocket socket, DatagramSocketMessageReceivedEventArgs args)
{
if (CoreApplication.Properties.TryGetValue("remotePeer", out var outObj))
{
EchoMessage((RemotePeer)outObj, args);
return;
}
try
{
// SenderのアドレスとポートからOutputStreamを取得
var outputStream = await socket.GetOutputStreamAsync(
args.RemoteAddress,
args.RemotePort);
RemotePeer peer;
lock (this)
{
if (CoreApplication.Properties.TryGetValue("remotePeer", out outObj))
{
peer = (RemotePeer)outObj;
}
else
{
peer = new RemotePeer(outputStream, args.RemoteAddress, args.RemotePort);
CoreApplication.Properties.Add("remotePeer", peer);
}
}
EchoMessage(peer, args);
}
catch (Exception exception)
{
if (SocketError.GetStatus(exception.HResult) == SocketErrorStatus.Unknown)
{
throw;
}
NotifyUserFromAsyncThread("Connect failed with error: " + exception.Message, NotifyType.ErrorMessage);
}
}
public static IObservable<ZeroconfRecord> Resolve(string protocol)
{
return Observable.Create<ZeroconfRecord>(async observer =>
{
var socket = new DatagramSocket();
var s = Observable
.FromEventPattern
<TypedEventHandler<DatagramSocket, DatagramSocketMessageReceivedEventArgs>,
DatagramSocketMessageReceivedEventArgs>(
x => socket.MessageReceived += x, _ => socket.Dispose())
.Select(ProcessMessage)
.Where(x => x != null)
.Subscribe(observer);
await socket.BindServiceNameAsync("5353");
socket.JoinMulticastGroup(new HostName("224.0.0.251"));
var os = await socket.GetOutputStreamAsync(new HostName("224.0.0.251"), "5353");
var writer = new DataWriter(os);
WriteQueryMessage(protocol, writer);
writer.StoreAsync();
return s;
});
}
private static async Task BindToSocketAndWriteQuery(DatagramSocket socket, byte[] bytes, CancellationToken cancellationToken)
{
await socket.BindServiceNameAsync("5353")
.AsTask(cancellationToken)
.ConfigureAwait(false);
socket.JoinMulticastGroup(new HostName("224.0.0.251"));
var os = await socket.GetOutputStreamAsync(new HostName("224.0.0.251"), "5353")
.AsTask(cancellationToken)
.ConfigureAwait(false);
using (var writer = new DataWriter(os))
{
writer.WriteBytes(bytes);
await writer.StoreAsync()
.AsTask(cancellationToken)
.ConfigureAwait(false);
Debug.WriteLine("Sent mDNS query");
writer.DetachStream();
}
}
public async void Locate()
{
DatagramSocket socket = new DatagramSocket();
socket.Control.DontFragment = true;
socket.MessageReceived += MessageReceived;
using (var stream = await socket.GetOutputStreamAsync(new HostName("192.168.1.255"), "8888"))
using (var writer = new DataWriter(stream))
{
writer.WriteBytes(Encoding.UTF8.GetBytes("SNC"));
await writer.StoreAsync();
}
}
/// <summary>
/// Sends DHCP reply
/// </summary>
/// <param name="msgType">Type of DHCP message to send</param>
/// <param name="ip">IP for client</param>
/// <param name="replyData">Reply options (will be sent if requested)</param>
/// <param name="otherForceOptions">Force reply options (will be sent anyway)</param>
private async void SendDHCPReply(DHCPMsgType msgType, IPAddress ip, DHCPReplyOptions replyData, Dictionary <DHCPOption, byte[]> otherForceOptions, IEnumerable <DHCPOption> forceOptions)
{
var replyBuffer = requestData;
replyBuffer.op = 2; // Reply
replyBuffer.yiaddr = ip.GetAddressBytes(); // Client's IP
if (replyData.ServerIpAddress != null)
{
replyBuffer.siaddr = replyData.ServerIpAddress.GetAddressBytes();
}
replyBuffer.options = CreateOptionStruct(msgType, replyData, otherForceOptions, forceOptions); // Options
if (!string.IsNullOrEmpty(dhcpServer.ServerName))
{
var serverNameBytes = Encoding.ASCII.GetBytes(dhcpServer.ServerName);
int len = (serverNameBytes.Length > 63) ? 63 : serverNameBytes.Length;
Array.Copy(serverNameBytes, replyBuffer.sname, len);
replyBuffer.sname[len] = 0;
}
//lock (requestSocket)
{
var DataToSend = BuildDataStructure(replyBuffer);
if (DataToSend.Length < 300)
{
var sendArray = new byte[300];
Array.Copy(DataToSend, 0, sendArray, 0, DataToSend.Length);
DataToSend = sendArray;
}
if ((replyBuffer.giaddr[0] == 0) && (replyBuffer.giaddr[1] == 0) &&
(replyBuffer.giaddr[2] == 0) && (replyBuffer.giaddr[3] == 0))
{
//requestSocket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
//endPoint = new IPEndPoint(dhcpServer.BroadcastAddress, PORT_TO_SEND_TO_CLIENT);
//var udp = new UdpClient();
//udp.EnableBroadcast = true;
//udp.Send(DataToSend, DataToSend.Length, new IPEndPoint(dhcpServer.BroadcastAddress, 68));
//udp.Close();
var datagramsocket = new Windows.Networking.Sockets.DatagramSocket();
using (var stream = await datagramsocket.GetOutputStreamAsync(new Windows.Networking.HostName(dhcpServer.BroadcastAddress), PORT_TO_SEND_TO_CLIENT.ToString()))
{
using (var datawriter = new Windows.Storage.Streams.DataWriter(stream))
{
datawriter.WriteBytes(DataToSend);
await datawriter.StoreAsync();
}
}
}
else
{
//requestSocket .SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, false);
//endPoint = new IPEndPoint(new IPAddress(replyBuffer.giaddr), PORT_TO_SEND_TO_RELAY);
//requestSocket.SendTo(DataToSend, endPoint);
using (var stream = await requestSocket.GetOutputStreamAsync(new Windows.Networking.HostName(new IPAddress(replyBuffer.giaddr).ToString()), PORT_TO_SEND_TO_RELAY.ToString()))
{
using (var datawriter = new Windows.Storage.Streams.DataWriter(stream))
{
datawriter.WriteBytes(DataToSend);
await datawriter.StoreAsync();
}
}
}
}
}
/// <summary>
/// Search devices and retrieve their device info.
/// </summary>
/// <param name="timeoutSec">Seconds to wait before invokation of OnTimeout.</param>
/// <param name="OnServerFound">Success callback. This will be invoked for each devices until OnTimeout is invoked.</param>
/// <param name="OnTimeout">Timeout callback.</param>
public async void SearchDevices(int timeoutSec, Action<DeviceInfo> OnServerFound, Action OnTimeout)
{
if (OnServerFound == null || OnTimeout == null)
{
throw new ArgumentNullException();
}
Debug.WriteLine("DeviceFinder.SearchDevices");
if (timeoutSec < 2)
{
timeoutSec = 2;
}
const int MX = 1;
var ssdp_data = new StringBuilder()
.Append("M-SEARCH * HTTP/1.1").Append("\r\n")
.Append("HOST: ").Append(multicast_address).Append(":").Append(ssdp_port.ToString()).Append("\r\n")
.Append("MAN: ").Append("\"ssdp:discover\"").Append("\r\n")
.Append("MX: ").Append(MX.ToString()).Append("\r\n")
.Append("ST: urn:schemas-sony-com:service:ScalarWebAPI:1").Append("\r\n")
//.Append("ST: ssdp:all").Append("\r\n") // For debug
.Append("\r\n")
.ToString();
byte[] data_byte = Encoding.UTF8.GetBytes(ssdp_data);
//Debug.WriteLine(ssdp_data);
bool timeout_called = false;
var DD_Handler = new AsyncCallback(ar =>
{
if (timeout_called)
{
return;
}
var req = ar.AsyncState as HttpWebRequest;
try
{
var res = req.EndGetResponse(ar) as HttpWebResponse;
using (var reader = new StreamReader(res.GetResponseStream(), Encoding.UTF8))
{
try
{
var info = AnalyzeDD(reader.ReadToEnd());
NotifyFoundAsync(info, OnServerFound);
}
catch (Exception)
{
//Invalid XML.
}
}
}
catch (WebException)
{
//Invalid DD location or network error.
}
});
#if WINDOWS_PHONE
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.SendBufferSize = data_byte.Length;
SocketAsyncEventArgs snd_event_args = new SocketAsyncEventArgs();
snd_event_args.RemoteEndPoint = new IPEndPoint(IPAddress.Parse(multicast_address), ssdp_port);
snd_event_args.SetBuffer(data_byte, 0, data_byte.Length);
SocketAsyncEventArgs rcv_event_args = new SocketAsyncEventArgs();
rcv_event_args.SetBuffer(new byte[result_buffer], 0, result_buffer);
var SND_Handler = new EventHandler<SocketAsyncEventArgs>((sender, e) =>
{
if (e.SocketError == SocketError.Success && e.LastOperation == SocketAsyncOperation.SendTo)
{
socket.ReceiveBufferSize = result_buffer;
socket.ReceiveAsync(rcv_event_args);
}
});
snd_event_args.Completed += SND_Handler;
var RCV_Handler = new EventHandler<SocketAsyncEventArgs>((sender, e) =>
{
if (e.SocketError == SocketError.Success && e.LastOperation == SocketAsyncOperation.Receive)
{
string result = Encoding.UTF8.GetString(e.Buffer, 0, e.BytesTransferred);
//Debug.WriteLine(result);
GetDDAsync(DD_Handler, result);
socket.ReceiveAsync(e);
}
});
rcv_event_args.Completed += RCV_Handler;
socket.SendToAsync(snd_event_args);
#elif NETFX_CORE
var sock = new DatagramSocket();
sock.MessageReceived += (sender, args) =>
{
if (timeout_called || args == null)
{
return;
}
var reader = args.GetDataReader();
string data = reader.ReadString(reader.UnconsumedBufferLength);
Debug.WriteLine(data);
GetDDAsync(DD_Handler, data);
};
try
{
await sock.BindServiceNameAsync(ssdp_port.ToString());
}
catch (Exception)
{
Debug.WriteLine("Duplicate search is not supported");
return;
}
var host = new HostName(multicast_address);
sock.JoinMulticastGroup(host);
try
{
var output = await sock.GetOutputStreamAsync(host, ssdp_port.ToString());
await output.WriteAsync(data_byte.AsBuffer());
await sock.OutputStream.FlushAsync();
}
catch (Exception)
{
Debug.WriteLine("Failed to send multicast");
return;
}
#endif
await RunTimeoutInvokerAsync(timeoutSec, () =>
{
Debug.WriteLine("SSDP Timeout");
timeout_called = true;
#if WINDOWS_PHONE
snd_event_args.Completed -= SND_Handler;
rcv_event_args.Completed -= RCV_Handler;
socket.Close();
#elif NETFX_CORE
sock.Dispose();
#endif
OnTimeout.Invoke();
});
}
private async Task SendMessage(string message, int port)
{
FoundServers = new ObservableCollection<Server>();
var socket = new DatagramSocket();
socket.MessageReceived += SocketOnMessageReceived;
using (var stream = await socket.GetOutputStreamAsync(new HostName("255.255.255.255"), port.ToString(CultureInfo.InvariantCulture)))
{
using (var writer = new DataWriter(stream))
{
var data = Encoding.UTF8.GetBytes(message);
writer.WriteBytes(data);
writer.StoreAsync();
}
}
}
private async void Search(string st, TimeSpan? timeout = null)
{
Log("Search");
var ssdp_data = new StringBuilder()
.Append("M-SEARCH * HTTP/1.1").Append("\r\n")
.Append("HOST: ").Append(MULTICAST_ADDRESS).Append(":").Append(SSDP_PORT.ToString()).Append("\r\n")
.Append("MAN: ").Append("\"ssdp:discover\"").Append("\r\n")
.Append("MX: ").Append(MX.ToString()).Append("\r\n")
.Append("ST: ").Append(st).Append("\r\n")
.Append("\r\n")
.ToString();
var data_byte = Encoding.UTF8.GetBytes(ssdp_data);
var timeout_called = false;
#if WINDOWS_PHONE||DOT_NET
var DD_Handler = new AsyncCallback(ar =>
{
if (timeout_called)
{
return;
}
var req = ar.AsyncState as HttpWebRequest;
try
{
var res = req.EndGetResponse(ar) as HttpWebResponse;
using (var reader = new StreamReader(res.GetResponseStream(), Encoding.UTF8))
{
try
{
var response = reader.ReadToEnd();
OnDiscovered(new DeviceDescriptionEventArgs(response));
var camera = AnalyzeDescription(response);
if (camera != null)
{
OnDiscovered(new SonyCameraDeviceEventArgs(camera, req.RequestUri));
}
}
catch (Exception)
{
Log("Invalid XML");
//Invalid XML.
}
}
}
catch (WebException)
{
//Invalid DD location or network error.
}
});
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
socket.SendBufferSize = data_byte.Length;
var snd_event_args = new SocketAsyncEventArgs();
snd_event_args.RemoteEndPoint = new IPEndPoint(IPAddress.Parse(MULTICAST_ADDRESS), SSDP_PORT);
snd_event_args.SetBuffer(data_byte, 0, data_byte.Length);
var rcv_event_args = new SocketAsyncEventArgs();
rcv_event_args.SetBuffer(new byte[RESULT_BUFFER], 0, RESULT_BUFFER);
var SND_Handler = new EventHandler<SocketAsyncEventArgs>((sender, e) =>
{
if (e.SocketError == SocketError.Success && e.LastOperation == SocketAsyncOperation.SendTo)
{
try
{
socket.ReceiveBufferSize = RESULT_BUFFER;
socket.ReceiveAsync(rcv_event_args);
}
catch (ObjectDisposedException)
{
Log("Socket is already disposed.");
}
}
});
snd_event_args.Completed += SND_Handler;
var RCV_Handler = new EventHandler<SocketAsyncEventArgs>((sender, e) =>
{
if (e.SocketError == SocketError.Success && e.LastOperation == SocketAsyncOperation.Receive)
{
string result = Encoding.UTF8.GetString(e.Buffer, 0, e.BytesTransferred);
//Log(result);
GetDeviceDescriptionAsync(DD_Handler, result);
try
{
socket.ReceiveAsync(e);
}
catch (ObjectDisposedException)
{
Log("Socket is already disposed.");
}
}
});
rcv_event_args.Completed += RCV_Handler;
socket.SendToAsync(snd_event_args);
#elif WINDOWS_PHONE_APP||WINDOWS_APP||NETFX_CORE
var handler = new TypedEventHandler<DatagramSocket, DatagramSocketMessageReceivedEventArgs>(async (sender, args) =>
{
Log("Datagram message received");
if (timeout_called || args == null)
{
return;
}
string data;
using (var reader = args.GetDataReader())
{
data = reader.ReadString(reader.UnconsumedBufferLength);
}
Log(data);
await GetDeviceDescriptionAsync(data, args.LocalAddress).ConfigureAwait(false);
});
var adapters = await GetActiveAdaptersAsync().ConfigureAwait(false);
await Task.WhenAll(adapters.Select(async adapter =>
{
using (var socket = new DatagramSocket())
{
socket.Control.DontFragment = true;
socket.MessageReceived += handler;
try
{
await socket.BindServiceNameAsync("", adapter);
socket.JoinMulticastGroup(MULTICAST_HOST);
using (var output = await socket.GetOutputStreamAsync(MULTICAST_HOST, SSDP_PORT.ToString()))
{
using (var writer = new DataWriter(output))
{
writer.WriteBytes(data_byte);
await writer.StoreAsync();
}
}
await Task.Delay((timeout == null) ? DEFAULT_TIMEOUT : timeout.Value).ConfigureAwait(false);
Log("Search Timeout");
timeout_called = true;
}
catch (Exception e)
{
Log("Failed to send multicast: " + e.StackTrace);
}
finally
{
socket.MessageReceived -= handler;
}
}
})).ConfigureAwait(false);
#endif
#if WINDOWS_PHONE||DOT_NET
await Task.Delay((timeout == null) ? DEFAULT_TIMEOUT : timeout.Value).ConfigureAwait(false);
Log("Search Timeout");
timeout_called = true;
snd_event_args.Completed -= SND_Handler;
rcv_event_args.Completed -= RCV_Handler;
socket.Close();
#endif
OnTimeout(new EventArgs());
}
public async Task DiscoverBridge(TimeSpan timeOut)
{
var multicastIP = new HostName("239.255.255.250");
var foundBridge = false;
using (var socket = new DatagramSocket())
{
socket.MessageReceived += async (sender, args) =>
{
var reader = args.GetDataReader();
var bytesRemaining = reader.UnconsumedBufferLength;
foreach (var line in reader.ReadString(bytesRemaining).Split(new String[1] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries))
{
if (line.StartsWith("LOCATION"))
{
var address = line.Split(new char[1] { ':' }, 2)[1];
var message = await _client.GetAsync(address);
if (message.IsSuccessStatusCode)
{
var messageContent = await message.Content.ReadAsStringAsync();
var buffer = Encoding.UTF8.GetBytes(messageContent);
}
}
}
foundBridge = true;
};
await socket.BindEndpointAsync(null, string.Empty);
socket.JoinMulticastGroup(multicastIP);
while(true)
{
foundBridge = false;
using (var stream = await socket.GetOutputStreamAsync(multicastIP, "1900"))
using (var writer = new DataWriter(stream))
{
var request = new StringBuilder();
request.AppendLine("M-SEARCH * HTTP/1.1");
request.AppendLine("HOST: 239.255.255.250:1900");
request.AppendLine("MAN: ssdp:discover");
request.AppendLine("MX: 3");
request.AppendLine("ST: ssdp:all");
writer.WriteString(request.ToString());
await writer.StoreAsync();
if (timeOut > TimeSpan.Zero)
{
await Task.Delay(timeOut);
}
if (foundBridge)
{
break;
}
}
}
}
}
/// <summary>
/// Searches for an available devices of specified type.
/// </summary>
/// <param name="searchTarget">
/// The type of the devices to search for.
/// </param>
/// <param name="timeForResponse">
/// The time (in seconds) of a search.
/// </param>
/// <returns>
/// An observable collection which contains search results.
/// </returns>
public IObservable<SearchResponseMessage> Search(string searchTarget, int timeForResponse)
{
return Observable.Create<SearchResponseMessage>(async observer =>
{
var searchSocket = new DatagramSocket();
// Handling responses from found devices
searchSocket.MessageReceived += async (sender, args) =>
{
var dataReader = args.GetDataReader();
dataReader.InputStreamOptions = InputStreamOptions.Partial;
if (dataReader.UnconsumedBufferLength == 0)
{
await dataReader.LoadAsync(1024);
}
var message = dataReader.ReadString(dataReader.UnconsumedBufferLength);
try
{
var response = SearchResponseMessage.Create(message);
observer.OnNext(response);
}
catch (ArgumentException ex)
{
logger.Instance().Warning(ex, "The received M-Search response has been ignored.", "Message".As(message));
}
};
await searchSocket.BindServiceNameAsync("0");
searchSocket.JoinMulticastGroup(this.multicastHost);
var request = MSearchRequestFormattedString.F(searchTarget, timeForResponse);
var buffer = Encoding.UTF8.GetBytes(request).AsBuffer();
// Sending the search request to a multicast group
var outputStream = await searchSocket.GetOutputStreamAsync(this.multicastHost, MulticastPort.ToString());
await outputStream.WriteAsync(buffer);
await outputStream.WriteAsync(buffer);
// Stop listening for a devices when timeout for responses is expired
Observable.Timer(TimeSpan.FromSeconds(timeForResponse)).Subscribe(s =>
{
observer.OnCompleted();
searchSocket.Dispose();
});
logger.Instance().Debug("M-Search request has been sent. [multicastHost={0}, searchTarget={1}]".F(multicastHost.DisplayName, searchTarget));
return searchSocket.Dispose;
});
}
private static async Task BindToSocketAndWriteQuery(DatagramSocket socket, byte[] bytes, CancellationToken cancellationToken)
{
#if !WINDOWS_PHONE
try
{
// Try to bind using port 5353 first
await socket.BindServiceNameAsync("5353", NetworkInformation.GetInternetConnectionProfile().NetworkAdapter)
.AsTask(cancellationToken)
.ConfigureAwait(false);
}
catch (Exception)
{
// If it fails, use the default
await socket.BindServiceNameAsync("", NetworkInformation.GetInternetConnectionProfile().NetworkAdapter)
.AsTask(cancellationToken)
.ConfigureAwait(false);
}
#else
await socket.BindServiceNameAsync("5353")
.AsTask(cancellationToken)
.ConfigureAwait(false);
#endif
socket.JoinMulticastGroup(new HostName("224.0.0.251"));
var os = await socket.GetOutputStreamAsync(new HostName("224.0.0.251"), "5353")
.AsTask(cancellationToken)
.ConfigureAwait(false);
using (var writer = new DataWriter(os))
{
writer.WriteBytes(bytes);
await writer.StoreAsync()
.AsTask(cancellationToken)
.ConfigureAwait(false);
Debug.WriteLine("Sent mDNS query");
writer.DetachStream();
}
}
private async Task JitterCalculation()
{
datagramSocket = new DatagramSocket();
datagramSocket.MessageReceived += delegate(DatagramSocket socket, DatagramSocketMessageReceivedEventArgs args)
{
System.Diagnostics.Debug.WriteLine("[ProfileNetworkFull]: Jitter Finish");
};
string port = server.JitterTestPort.ToString();
await datagramSocket.BindServiceNameAsync(port);
using (DataWriter writer = new DataWriter(await datagramSocket.GetOutputStreamAsync(hostName, port)))
{
for (int i = 0; i < 21; i++)
{
writer.WriteString("jitter");
await writer.StoreAsync();
await writer.FlushAsync();
await Task.Delay(250);
}
}
Close(ref datagramSocket);
}
private async void send_Click(object sender, RoutedEventArgs e)
{
HostName hostName = new HostName("localhost");
DatagramSocket datagramSocket = new DatagramSocket();
IOutputStream outputStream = await datagramSocket.GetOutputStreamAsync(hostName, "22112");
DataWriter writer = new DataWriter(outputStream);
writer.WriteString("test"+i);
try
{
await writer.StoreAsync();
msgList.Children.Add(new TextBlock { Text = "客户端发送的消息：" + "test" + i });
}
catch (Exception err)
{
if (SocketError.GetStatus(err.HResult) == SocketErrorStatus.AddressAlreadyInUse)
{
}
}
}
private async void SendMsg(string ip,string msg)
{
DatagramSocket udp = new DatagramSocket();
HostName host = new HostName(ip);
var outStream = await udp.GetOutputStreamAsync(host, "8788");
DataWriter writer = new DataWriter(outStream);
// 往流里面写数据
writer.WriteString(msg);
await writer.StoreAsync();
writer.DetachStream();
}
/// <summary>
/// Message received handler
/// </summary>
/// <param name="socket">The socket object</param>
/// <param name="eventArguments">The datagram event information</param>
async void MessageReceived(DatagramSocket socket, DatagramSocketMessageReceivedEventArgs eventArguments)
{
object outObj;
if (CoreApplication.Properties.TryGetValue("remotePeer", out outObj))
{
EchoMessage((RemotePeer)outObj, eventArguments);
return;
}
// We do not have an output stream yet so create one.
try
{
IOutputStream outputStream = await socket.GetOutputStreamAsync(
eventArguments.RemoteAddress,
eventArguments.RemotePort);
// It might happen that the OnMessage was invoked more than once before the GetOutputStreamAsync call
// completed. In this case we will end up with multiple streams - just keep one of them.
RemotePeer peer;
lock (this)
{
if (CoreApplication.Properties.TryGetValue("remotePeer", out outObj))
{
peer = (RemotePeer)outObj;
}
else
{
peer = new RemotePeer(outputStream, eventArguments.RemoteAddress, eventArguments.RemotePort);
CoreApplication.Properties.Add("remotePeer", peer);
}
}
EchoMessage(peer, eventArguments);
}
catch (Exception exception)
{
// If this is an unknown status it means that the error is fatal and retry will likely fail.
if (SocketError.GetStatus(exception.HResult) == SocketErrorStatus.Unknown)
{
throw;
}
NotifyUserFromAsyncThread("Connect failed with error: " + exception.Message, NotifyType.ErrorMessage);
}
}