public async Task <bool> TryInterceptOutgoingAsync(
ArraySegment <byte> payload,
EndPoint destinationEndPoint,
IUdpClient relayClient)
{
if (payload.Count == 0)
{
throw new ArgumentException("Value cannot be an empty collection.", nameof(payload));
}
if (destinationEndPoint == null)
{
throw new ArgumentNullException(nameof(destinationEndPoint));
}
if (relayClient == null)
{
throw new ArgumentNullException(nameof(relayClient));
}
if (!this._randomPacketsSent)
{
await this.SendRandomPacketsAsync(destinationEndPoint, relayClient).ConfigureAwait(false);
this._randomPacketsSent = true;
}
return(false);
}
public DiscoveryService(
IUdpClient networkClient,
ILogger <DiscoveryService> logger)
{
NetworkClient = networkClient;
Logger = logger;
}
public async Task <IReadOnlyCollection <Device> > DiscoverDevicesAsync(CancellationToken cancellationToken)
{
List <Device> devices = new List <Device>();
using (IUdpClient udpClient = _udpClientFactory.Create(new IPEndPoint(IPAddress.Any, 0)))
{
await udpClient.SendAsync(MessageBytes, MessageBytes.Length, MulticastIpEndpoint)
.WithCancellation(cancellationToken)
.ConfigureAwait(false);
UdpReceiveResult receiveResult = await udpClient.ReceiveAsync()
.WithCancellation(cancellationToken)
.ConfigureAwait(false);
Console.WriteLine("Received a result");
if (receiveResult.RemoteEndPoint != null)
{
// We only use SSDP to discover *any* Sonos device.
// We then use the UPNP endpoint to discover the rest of the Sonos devices.
devices.AddRange(await FindDevicesFromSonosIpAddress(receiveResult.RemoteEndPoint.Address).ConfigureAwait(false));
}
}
return(new ReadOnlyCollection <Device>(devices));
}
async Task SendProbe(IUdpClient client)
{
var message = WSProbeMessageBuilder.NewProbeMessage();
var multicastEndpoint = new IPEndPoint(IPAddress.Parse(Constants.WS_MULTICAST_ADDRESS), Constants.WS_MULTICAST_PORT);
await client.SendAsync(message, message.Length, multicastEndpoint);
}
internal ThriftUdpClientTransport(string host, int port, MemoryStream byteStream, IUdpClient udpClient)
{
_host = host;
_port = port;
_byteStream = byteStream;
_client = udpClient;
}
public ServerSearcher(IUdpClient client, int transPort)
{
remoteIpEP = new IPEndPoint(IPAddress.Broadcast, transPort);
commonClient = client;
findedIpEPs = new Dictionary <string, IPEndPoint>();
findingStatus = false;
}
public UdpProxy(
IReadOnlyTcpStream clientStream,
IUdpClientFactory clientFactory,
IDatagramInterceptor interceptor,
ArrayPool <byte> bufferPool,
ITimerFactory timerFactory,
ILoggerFactory loggerFactory)
{
if (clientFactory == null)
{
throw new ArgumentNullException(nameof(clientFactory));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
this._clientStream = clientStream ?? throw new ArgumentNullException(nameof(clientStream));
this._interceptor = interceptor ?? throw new ArgumentNullException(nameof(interceptor));
this._bufferPool = bufferPool ?? throw new ArgumentNullException(nameof(bufferPool));
this._boundClient = clientFactory.CreateBoundUdpClient(
new IPEndPoint(((IPEndPoint)clientStream.LocalEndPoint).Address, 0));
this._relayClient = clientFactory.CreateUdpClient();
this._reassembler = new DatagramReassembler(timerFactory, this._bufferPool);
this._clientEndPointTask =
new TaskCompletionSource <EndPoint>(TaskCreationOptions.RunContinuationsAsynchronously);
this._clientSessionTerminationSource = new CancellationTokenSource();
this._log = loggerFactory.CreateLogger(this.GetType().Name);
this._log.LogInformation("Started UDP listener on {0}", this.BindEndPoint);
}
/// <summary>
/// Construct a <see cref="UdpSink"/>.
/// </summary>
/// <param name="client">
/// The UDP client responsible for sending multicast messages.
/// </param>
/// <param name="remoteAddress">
/// The <see cref="IPAddress"/> of the remote host or multicast group to which the UDP
/// client should sent the logging event.
/// </param>
/// <param name="remotePort">
/// The TCP port of the remote host or multicast group to which the UDP client should sent
/// the logging event.
/// </param>
/// <param name="formatter">Formatter used to convert log events to text.</param>
public UdpSink(
IUdpClient client,
IPAddress remoteAddress,
int remotePort,
ITextFormatter formatter)
: base(1000, TimeSpan.FromSeconds(0.5))
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
if (remoteAddress == null)
{
throw new ArgumentNullException(nameof(remoteAddress));
}
if (remotePort < IPEndPoint.MinPort || remotePort > IPEndPoint.MaxPort)
{
throw new ArgumentOutOfRangeException(nameof(remotePort));
}
if (formatter == null)
{
throw new ArgumentNullException(nameof(formatter));
}
remoteEndPoint = new IPEndPoint(remoteAddress, remotePort);
this.formatter = formatter;
this.client = client;
}
public async Task <IEnumerable <DiscoveryDevice> > Discover(int Timeout, IUdpClient client,
CancellationToken cancellationToken = default(CancellationToken))
{
var devices = new List <DiscoveryDevice> ();
bool isRunning;
await SendProbe(client);
var responses = new List <UdpReceiveResult> ();
try {
isRunning = true;
var cts = new CancellationTokenSource(TimeSpan.FromSeconds(Timeout));
while (isRunning)
{
if (cts.IsCancellationRequested || cancellationToken.IsCancellationRequested)
{
break;
}
var response = await client.ReceiveAsync().WithCancellation(cts.Token).WithCancellation(cancellationToken);
responses.Add(response);
}
} catch (OperationCanceledException) {
isRunning = false;
} finally {
client.Close();
}
if (cancellationToken.IsCancellationRequested)
{
return(devices);
}
devices.AddRange(ProcessResponses(responses));
return(devices);
}
public void UseDualModeOnInterNetworkV6()
{
// Act
client = UdpClientFactory.Create(0, AddressFamily.InterNetworkV6);
// Assert
client.Client.DualMode.ShouldBeTrue();
}
public GamePadClient(IUdpClient udpClient, IPlatform platform) : base(udpClient, platform)
{
udpClient.CreateWithEmptyEndPoint();
BroadCastEndPoint = udpClient.GetBroadCastEndPoint(Defaults.DEFAULT_SERVER_PORT);
// TODO: Change this to a proper identity
PlayerIdentity = PlayerIdentity.GenerateNew("Test Player");
}
public RoundTripTimeService(IUdpClient udpClient, NetworkTimeService networkTimeService)
{
this.udpClient = udpClient;
this.networkTimeService = networkTimeService;
this.udpClient.OnMessageReceive
.Where(message => message[0] == MessageId.PING_RESP)
.Subscribe(OnMessageReceived);
}
public Connection(IPEndPoint receiveEndPoint, IPEndPoint sendEndPoint, IKnxReceiveParserDispatcher receiveParserDispatcher, IUdpClient udpClient)
{
_receiveEndPoint = receiveEndPoint;
_receiveParserDispatcher = receiveParserDispatcher;
_sendEndPoint = sendEndPoint;
_udpClient = udpClient;
ProcessSendMessages();
}
public DiscoveryMessageListener(
IUdpClient client,
IIncomingMessageDispatcher dispatcher,
ILogger <DiscoveryMessageListener> logger)
{
UdpClient = client;
Dispatcher = dispatcher;
Logger = logger;
}
public void SendMessage(IUdpClient udpClient, LifxMessage message, IPEndPoint endpoint)
{
using (var memoryStream = new MemoryStream())
{
message.WriteToStream(memoryStream);
byte[] packet = memoryStream.ToArray();
udpClient.SendAsync(packet, packet.Length, endpoint.Address.ToString(), endpoint.Port);
}
}
//Sender(string ra, int rp, IPackage p)
//{
// this.RemoteAdress = ra;
// this.RemotePort = rp;
// this.Pack = p;
//}
//public Sender() { }
public SenderUdpClientBased(INetCommunicationObj withCommunicationObj)
{
IUdpClient cl = withCommunicationObj as IUdpClient;
if (cl == null)
{
throw new Exception("Invalid constructor parameter..");
}
_lockal_udp_client = cl.NetClient;
}
public UdpSink(
IUdpClient client,
string remoteAddress,
int remotePort,
ITextFormatter formatter)
{
this.client = client ?? throw new ArgumentNullException(nameof(client));
remoteEndPoint = new RemoteEndPoint(remoteAddress, remotePort);
this.formatter = formatter ?? throw new ArgumentNullException(nameof(formatter));
}
public MatchSimulation(byte localPlayerUnitId, Int64 matchStartTimestamp, MatchInputProvider matchInputProvider,
MatchSpawnService matchEventProvider, IUdpClient udpClient, NetworkTimeService networkTimeService)
{
this.localPlayerUnitId = localPlayerUnitId;
this.matchStartTimestamp = matchStartTimestamp;
inputProvider = matchInputProvider;
eventProvider = matchEventProvider;
this.udpClient = udpClient;
this.networkTimeService = networkTimeService;
SimulationFrameSubject = new Subject <byte>();
}
public LoginServerClient(ISessionRecivedHandler sessionRecivedHandler,
ISystemMessage systemMessage,
ILogger logger, IUdpClient udpClient,
ISoeActionFactory soeActionFactory)
{
_soeActionFactory = soeActionFactory;
_sessionRecivedHandler = sessionRecivedHandler;
_systemMessage = systemMessage;
_logger = logger;
_udpClient = udpClient;
_eventHandler.UdpPacketsRecived += TryHandleInncommingPacket;
}
public void Synch(IUdpClient udpClient, Action onTimeSynched = null)
{
currentOnTimeSynchedCallback = onTimeSynched;
responsesReceived = 0;
this.udpClient = udpClient;
messageReceiveDisposable = udpClient.OnMessageReceive
.Where(message => message[0] == MessageId.TIME_RESP)
.Subscribe(OnMessageReceived);
SendTimeSynchMessage();
}
internal DatagramSender(DatagramDispatcher dispatcher)
{
if (dispatcher == null)
{
throw new ArgumentNullException("dispatcher");
}
this.lastCommandSequenceNumber = -1;
this.LastCommandSentTime = DateTime.Now.Subtract(dispatcher.KeepAlivePeriod).AddSeconds(5);
this.Metrics = dispatcher.Metrics;
this.responseDispatcher = dispatcher.ResponseDispatcher;
this.udpClient = dispatcher.UdpClient;
this.Log = LogManager.GetLogger(this.GetType());
}
public GamePadServer(IUdpClient udpClient, IPlatform platform, String serverName, String serverPassword = "", int capacity = Defaults.DEFAULT_SERVER_CAPACITY, int listeningPort = Defaults.DEFAULT_SERVER_PORT) : base(udpClient, platform)
{
if (!ValidateServerName(serverName))
{
throw new BonaVirtualGamePadException("Server name contains disallowed characters");
}
ServerName = serverName;
ServerPassword = serverPassword;
ListeningEndPoint = UdpClient.GetAnyEndPoint(listeningPort);
UdpClient.SetEndPoint(ListeningEndPoint);
Clients = new PlayerClient[capacity];
}
/// <summary>
/// Start listening for requests
/// </summary>
public void Start()
{
if (!Running)
{
_server = _udpClientFactory.CreateClient(_localEndpoint);
Running = true;
_log.Info($"Starting Radius server on {_localEndpoint}");
var receiveTask = StartReceiveLoopAsync();
_log.Info("Server started");
}
else
{
_log.Warn("Server already started");
}
}
public MainPageViewModel(IUdpServer udpServer, IUdpClient udpClient, IWlanClient wlanClient)
{
_udpServer = udpServer;
_udpClient = udpClient;
_wlanClient = wlanClient;
_udpServer.NewDataReceiveEvent += UdpServerOnNewDataReceiveEvent;
_udpClient.StatusEvent += UdpClientOnStatusEvent;
StartCommand = new MvxCommand(StartCommandHander);
StopCommand = new MvxCommand(StopCommandHander);
ShouldAlwaysRaiseInpcOnUserInterfaceThread(false); //Mvx需要关闭必须UI线程刷新
TrySetSSID();
}
/// <summary>
/// Free resources held by the sink.
/// </summary>
/// <param name="disposing">
/// If true, called because the object is being disposed; if false, the object is being
/// disposed from the finalizer.
/// </param>
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (disposing && client != null)
{
#if NET4
// UdpClient does not implement IDisposable, but calling Close disables the
// underlying socket and releases all managed and unmanaged resources associated
// with the instance.
client.Close();
#else
client.Dispose();
#endif
client = null;
}
}
async Task SendRandomPacketsAsync(EndPoint destinationEndPoint, IUdpClient relayClient)
{
var settings = this._settings;
var randomPacketCount = this._random.Next(
settings.CountMin,
settings.CountMax);
var randomPacketBuffer = this._bufferPool.Rent(settings.BytesMax);
try
{
for (var i = 0; i < randomPacketCount; i++)
{
this._random.NextBytes(randomPacketBuffer);
var randomSize = this._random.Next(
settings.BytesMin,
settings.BytesMax);
var randomDelay = this._random.Next(
settings.DelayMsMin,
settings.DelayMsMax);
await Task.Delay(randomDelay).ConfigureAwait(false);
this._log.LogDebug(
"Sending random packet {0}/{1}: {2} bytes delayed {3}ms",
i + 1,
randomPacketCount,
randomSize,
randomDelay);
await relayClient
.SendAsync(randomPacketBuffer, 0, randomSize, destinationEndPoint)
.ConfigureAwait(false);
}
}
finally
{
this._bufferPool.Return(randomPacketBuffer);
}
}
public Z21Client(IUdpClient udpClient)
{
this.udpClient = udpClient;
inStream = udpClient.ObserveBytes();
var connectionTicker = Observable.Interval(TimeSpan.FromSeconds(2))
.SelectMany(async x => {
try {
await GetSerialNumber(new SerialNumberRequest());
return(true);
} catch (TimeoutException) {
return(false);
}
})
.Publish();
keepConnectionAliveSubscription = connectionTicker.Connect();
ConnectionStatus = connectionTicker.DistinctUntilChanged();
}
internal static LifxMessage FromPacket(byte[] data, IUdpClient respondClient)
{
using (MemoryStream ms = new MemoryStream(data))
{
var headerBytes = new byte[36];
Array.Copy(data, headerBytes, headerBytes.Length);
var header = LifxHeader.FromHeaderBytes(headerBytes);
byte[] payload = null;
if (data.Length > 36)
{
payload = new byte[data.Length - 36];
Array.Copy(data, 36, payload, 0, payload.Length);
}
return(LifxMessage.FromPayloadBytes(header, payload, respondClient));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DnsSeedServer"/> class with the port to listen on.
/// </summary>
/// <param name="client">The UDP client to use to receive DNS requests and send DNS responses.</param>
/// <param name="masterFile">The initial DNS masterfile.</param>
/// <param name="asyncLoopFactory">The async loop factory.</param>
/// <param name="loggerFactory">The logger factory.</param>
/// <param name="dateTimeProvider">The <see cref="DateTime"/> provider.</param>
/// <param name="nodeSettings">The node settings object containing node configuration.</param>
/// <param name="dataFolders">The data folders of the system.</param>
public DnsSeedServer(IUdpClient client, IMasterFile masterFile, IAsyncLoopFactory asyncLoopFactory, INodeLifetime nodeLifetime, ILoggerFactory loggerFactory, IDateTimeProvider dateTimeProvider, DnsSettings dnsSettings, DataFolder dataFolders)
{
Guard.NotNull(client, nameof(client));
Guard.NotNull(masterFile, nameof(masterFile));
Guard.NotNull(asyncLoopFactory, nameof(asyncLoopFactory));
Guard.NotNull(nodeLifetime, nameof(nodeLifetime));
Guard.NotNull(loggerFactory, nameof(loggerFactory));
Guard.NotNull(dateTimeProvider, nameof(dateTimeProvider));
Guard.NotNull(dnsSettings, nameof(dnsSettings));
Guard.NotNull(dataFolders, nameof(dataFolders));
this.udpClient = client;
this.masterFile = masterFile;
this.asyncLoopFactory = asyncLoopFactory;
this.nodeLifetime = nodeLifetime;
this.logger = loggerFactory.CreateLogger(this.GetType().FullName);
this.dateTimeProvider = dateTimeProvider;
this.dnsSettings = dnsSettings;
this.dataFolders = dataFolders;
this.metrics = new DnsMetric();
}
public async void SendPayload(string address, AddressFamily family)
{
// Arrange
client = UdpClientFactory.Create(0, family);
var ipAddress = IPAddress.Parse(address);
using (var server = new UdpClient(0, ipAddress.AddressFamily))
{
var receiveTask = server.ReceiveAsync();
// Act
await client.SendAsync(
PayloadAsBytes,
PayloadAsBytes.Length,
new IPEndPoint(ipAddress, ((IPEndPoint)server.Client.LocalEndPoint).Port));
// Assert
var receivedData = (await receiveTask).Buffer;
Encoding.UTF8.GetString(receivedData).ShouldBe(Payload);
}
}
public Task <bool> TryInterceptIncomingAsync(Datagram datagram, IUdpClient boundClient)
{
return(CachedTasks.FalseTask);
}
internal RConClient(IUdpClient client, string password)
{
this.UdpClient = client;
this.password = password;
this.Initialize();
}