// Use this for initialization
void Start()
{
// create receiver.
udpReceiver = new UdpReceiver(
IP.LocalIPAddressSync(),
9339,
bytes =>
{
Debug.Log("received udp data:" + Encoding.UTF8.GetString(bytes));
}
);
// send data to receiver.
udpSender = new UdpSender(
IPAddress.Parse("127.0.0.1"),
9339
);
udpSender.Send(
Encoding.UTF8.GetBytes("hello via udp.")
);
}
public UdpMulticastingChannel(string address, int port)
{
MessageParserFactory = new MessageParserFactory();
MessageParser parser = MessageParserFactory.Create();
UdpReceiver receiveSocket = new UdpReceiver(address, port);
receiveSocket.ReceiveEvent += parser.OnBytes;
receiveSocket.Start();
var sendSocket = new UdpSource(address, port);
sendSocket.Start();
var asyncWriter = new DaemonWritter(sendSocket);
//var asyncWriter = new BatchWriter(sendSocket,1500);
TopicPublisher = new TopicPublisher(asyncWriter);
TopicPublisher.Start();
_disposables.Add(receiveSocket);
_disposables.Add(sendSocket);
}
private void Form1_Load(object sender, EventArgs e)
{
this.lstMessages.Items.Clear();
this.lstPeers.Items.Clear();
manager = new MessageManager();
connections = new Dictionary <User, ClientConnection>();
IPAddress[] addresses = Global.getLocalIPAddresses();
this.cmbAddresses.Items.AddRange(addresses);
if (addresses.Length > 0)
{
this.cmbAddresses.SelectedIndex = 0;
}
udpReceivers = new List <UdpReceiver>();
foreach (var address in addresses)
{
var udpReceiver = new UdpReceiver(this, address);
udpReceiver.ServerFound += Broadcast_ServerFound;
udpReceiver.Start();
udpReceivers.Add(udpReceiver);
}
}
private static async Task Main(string[] args)
{
using (var transceiver = new UdpTransceiver(IPAddress.Parse("192.168.10.1"), 8889))
using (var stateReceiver = new UdpReceiver(8890))
using (var videoReceiver = new UdpReceiver(11111))
using (var repository = new SqliteRepository((null, "tello.udp.sqlite")))
{
var testType = args.Length == 1 && args[0] == "joy"
? TestType.JoyStick
: TestType.WayPoint;
switch (testType)
{
case TestType.JoyStick:
flightTest = new JoyStickFlightTest(
repository,
transceiver,
stateReceiver,
videoReceiver);
break;
case TestType.WayPoint:
flightTest = new CommandFlightTest(
repository,
transceiver,
stateReceiver,
videoReceiver);
break;
default:
break;
}
await flightTest.Invoke();
}
}
public void ReceiveNotifications()
{
new Thread(() =>
{
while (true)
{
string[] message = Encoding.ASCII.GetString(UdpReceiver.Receive(ref remoteEndPoint)).Split(' ');
string request = message[0];
Guid remoteGuid = Guid.Parse(message[1]);
if (request == "add")
{
if (!copies.ContainsKey(remoteGuid))
{
copies[remoteGuid] = remoteEndPoint.Address;
Console.WriteLine(string.Join("\n",
GetJoinMessage(remoteGuid), CopiesCountMessage, CopiesListing, Parameters.Delimiters));
}
timeouts[remoteGuid] = 0;
}
}
}).Start();
}
public IEnumerator SetReceiverThenSend()
{
var received = false;
var port = 8888;
udpReceiver = new UdpReceiver(
IP.LocalIPAddressSync(),
port,
bytes =>
{
True(bytes.Length == 4);
received = true;
}
);
// send udp data.
udpSender = new UdpSender(IP.LocalIPAddressSync(), port);
udpSender.Send(new byte[] { 1, 2, 3, 4 });
yield return(WaitUntil(
() => received,
() => { throw new TimeoutException("failed."); }
));
}
public ReceiveTxSyslog(IPEndPoint listener, uint receivercount)
{
this.Receiver = new UdpReceiver(listener, receivercount);
}
private void OnPacketReceived(UdpReceiver receiver, int localPort, IPEndPoint remoteEndPoint, byte[] packet)
{
STUNMessage stunMessage = STUNMessage.ParseSTUNMessage(packet, packet.Length);
switch (stunMessage.Header.MessageType)
{
case STUNMessageTypesEnum.Allocate:
logger.LogDebug($"MockTurnServer received Allocate request from {remoteEndPoint}.");
if (_relaySocket == null)
{
_clientEndPoint = remoteEndPoint;
// Create a new relay socket.
NetServices.CreateRtpSocket(false, _listenAddress, 0, out _relaySocket, out _);
_relayEndPoint = _relaySocket.LocalEndPoint as IPEndPoint;
logger.LogDebug($"MockTurnServer created relay socket on {_relayEndPoint}.");
_relayListener = new UdpReceiver(_relaySocket);
_relayListener.OnPacketReceived += OnRelayPacketReceived;
_relayListener.OnClosed += (reason) => logger.LogDebug($"MockTurnServer relay on {_relayEndPoint} closed.");
_relayListener.BeginReceiveFrom();
}
STUNMessage allocateResponse = new STUNMessage(STUNMessageTypesEnum.AllocateSuccessResponse);
allocateResponse.Header.TransactionId = stunMessage.Header.TransactionId;
allocateResponse.AddXORMappedAddressAttribute(remoteEndPoint.Address, remoteEndPoint.Port);
allocateResponse.AddXORAddressAttribute(STUNAttributeTypesEnum.XORRelayedAddress, _relayEndPoint.Address, _relayEndPoint.Port);
_clientSocket.SendTo(allocateResponse.ToByteBuffer(null, false), remoteEndPoint);
break;
case STUNMessageTypesEnum.BindingRequest:
logger.LogDebug($"MockTurnServer received Binding request from {remoteEndPoint}.");
STUNMessage stunResponse = new STUNMessage(STUNMessageTypesEnum.BindingSuccessResponse);
stunResponse.Header.TransactionId = stunMessage.Header.TransactionId;
stunResponse.AddXORMappedAddressAttribute(remoteEndPoint.Address, remoteEndPoint.Port);
_clientSocket.SendTo(stunResponse.ToByteBuffer(null, false), remoteEndPoint);
break;
case STUNMessageTypesEnum.CreatePermission:
logger.LogDebug($"MockTurnServer received CreatePermission request from {remoteEndPoint}.");
STUNMessage permResponse = new STUNMessage(STUNMessageTypesEnum.CreatePermissionSuccessResponse);
permResponse.Header.TransactionId = stunMessage.Header.TransactionId;
_clientSocket.SendTo(permResponse.ToByteBuffer(null, false), remoteEndPoint);
break;
case STUNMessageTypesEnum.SendIndication:
logger.LogDebug($"MockTurnServer received SendIndication request from {remoteEndPoint}.");
var buffer = stunMessage.Attributes.Single(x => x.AttributeType == STUNAttributeTypesEnum.Data).Value;
var destEP = (stunMessage.Attributes.Single(x => x.AttributeType == STUNAttributeTypesEnum.XORPeerAddress) as STUNXORAddressAttribute).GetIPEndPoint();
logger.LogDebug($"MockTurnServer relaying {buffer.Length} bytes to {destEP}.");
_relaySocket.SendTo(buffer, destEP);
break;
default:
logger.LogDebug($"MockTurnServer received unknown STUN message from {remoteEndPoint}.");
break;
}
}
public ReceiveTxSyslog(IPEndPoint listener, uint receivercount)
{
Receiver = new UdpReceiver(listener, receivercount);
}
public IEnumerator SetReceiverThenSendManyTimesWithValidation()
{
var count = 1000;
var receivedCount = 0;
var port = 8888;
try
{
var data = new byte[100];
for (var i = 0; i < data.Length; i++)
{
data[i] = (byte)UnityEngine.Random.Range(byte.MinValue, byte.MaxValue);
}
// validate by hash. checking send data == received data or not.
var md5 = MD5.Create();
var origin = md5.ComputeHash(data);
var hashLen = origin.Length;
// add hash data to head of new data.
var newData = new byte[data.Length + hashLen];
for (var i = 0; i < newData.Length; i++)
{
if (i < hashLen)
{
newData[i] = origin[i];
}
else
{
newData[i] = data[i - hashLen];
}
}
udpReceiver = new UdpReceiver(
IP.LocalIPAddressSync(),
port,
bytes =>
{
True(bytes.Length == newData.Length);
var hash = md5.ComputeHash(bytes, hashLen, bytes.Length - hashLen);
for (var i = 0; i < hash.Length; i++)
{
True(hash[i] == bytes[i]);
}
receivedCount++;
}
);
// send udp data.
udpSender = new UdpSender(IP.LocalIPAddressSync(), port);
for (var i = 0; i < count; i++)
{
udpSender.Send(newData);
}
}
catch (Exception e)
{
Fail(e.ToString());
}
yield return(WaitUntil(
() => count == receivedCount,
() => { throw new TimeoutException("failed. receivedCount:" + receivedCount); }
));
}
internal F12019UdpReceiver(Action <AllPacketsComposition> sessionStartedHandler, Action <AllPacketsComposition> newDataHandler, int connectionPort)
{
_port = connectionPort;
_udpReceiver = new UdpReceiver(_port);
_dataSetCompositor = new DataSetCompositor(sessionStartedHandler, newDataHandler);
}
public ServerComManager(System.Net.Sockets.UdpClient udpClient)
{
log4net.Config.XmlConfigurator.Configure();
_udpReceiver = new UdpReceiver(udpClient);
_udpReceiver.ReceivedData += _udpReceiver_ReceivedData;
}
public void Dispose()
{
UdpReceiver.Dispose();
}
public static void DisposalTest()
{
using var receiver = new UdpReceiver();
}
public PCars2UdpReceiver()
{
_udpReceiver = new UdpReceiver(5606);
}
/// <summary>
/// Open to receive messages on specified port and (optionally) from specified multicast IP address.
/// Returns success status.
/// </summary>
public bool Open(int port, string multicastAddress = "")
{
// Ensure that we have a receiver, even when not in Play mode.
if (_receiver == null)
{
_receiver = new UdpReceiver(OnDataReceivedAsync);
}
// Close and existing receiver.
if (isOpen)
{
Close();
}
// Validate port number range.
if (port < OscConst.portMin || port > OscConst.portMax)
{
StringBuilder sb = OscDebug.BuildText(this);
sb.Append("Open failed. Port "); sb.Append(port); sb.Append(" is out of range.\n");
Debug.LogWarning(sb.ToString());
return(false);
}
_port = port;
// Derive mode from multicastAddress.
IPAddress multicastIP;
if (!string.IsNullOrEmpty(multicastAddress) && IPAddress.TryParse(multicastAddress, out multicastIP))
{
if (Regex.IsMatch(multicastAddress, OscConst.multicastAddressPattern))
{
_mode = OscReceiveMode.UnicastBroadcastMulticast;
_multicastAddress = multicastAddress;
}
else
{
StringBuilder sb = OscDebug.BuildText(this);
sb.Append("Open failed. Multicast IP address "); sb.Append(multicastAddress);
sb.Append(" is out not valid. It must be in range 224.0.0.0 to 239.255.255.255.\n");
Debug.LogWarning(sb.ToString());
return(false);
}
}
else
{
_multicastAddress = string.Empty;
_mode = OscReceiveMode.UnicastBroadcast;
}
// Set buffer size.
_receiver.bufferSize = _udpBufferSize;
// Try open.
if (!_receiver.Open(_port, _multicastAddress))
{
Debug.Log("Failed to open");
return(false);
}
// Deal with the success
if (Application.isPlaying)
{
StringBuilder sb = OscDebug.BuildText(this);
if (_mode == OscReceiveMode.UnicastBroadcast)
{
sb.Append("Ready to receive unicast and broadcast messages on port ");
}
else
{
sb.Append("Ready to receive multicast messages on address "); sb.Append(_multicastAddress); sb.Append(", unicast and broadcast messages on port ");
}
sb.Append(_port); sb.AppendLine();
Debug.Log(sb.ToString());
}
return(true);
}
/// <summary>
/// 创建接收器
/// </summary>
/// <param name="url">url地址，诸如：udp://127.0.0.1:9999</param>
/// <param name="ccrParameter">Ccr运行参数</param>
/// <param name="bufferPoolParameter">缓冲池参数</param>
/// <param name="contained">是否由通信器统一管理</param>
/// <returns>数据接收器。如果是null，则表示数据接收器已经存在</returns>
/// <exception cref="System.ArgumentException">当不能创建时，抛出异常</exception>
/// <exception cref="System.Net.Sockets.SocketException">当不能创建时，抛出异常</exception>
public DataReceiver CreateReceiver(string url, CcrParameter ccrParameter, BufferPoolParameter bufferPoolParameter, bool contained)
{
DataReceiver receiver = null;
PipelineAddress sa = PipelineAddress.Parse(url);
switch (sa.CommuncationType)
{
case CommuncationType.Tcp:
receiver = new TcpSharpReceiver((IPEndPoint)sa.Address, ccrParameter, bufferPoolParameter);
break;
case CommuncationType.Udp:
case CommuncationType.Udps:
receiver = new UdpSharpReceiver((IPEndPoint)sa.Address, ccrParameter, bufferPoolParameter);
break;
case CommuncationType.Udpa:
receiver = new UdpReceiver((IPEndPoint)sa.Address, ccrParameter);
break;
case CommuncationType.Msmq:
receiver = new MsmqReceiver((string)sa.Address, ccrParameter);
break;
case CommuncationType.Sms:
throw new ArgumentException(String.Format("NotSupportedCommunication：{0}", url));
case CommuncationType.Http:
throw new ArgumentException(String.Format("NotSupportedCommunication：{0}", url));
case CommuncationType.SharedMemory:
receiver = new ShareMemoryReceiver((ShareMemoryEndPoint)sa.Address, ccrParameter);
break;
case CommuncationType.SharedRegion:
break;
case CommuncationType.Ftp:
break;
case CommuncationType.Unknown:
throw new ArgumentException(String.Format("NotSupportedCommunication：{0}", url));
default:
throw new ArgumentException(String.Format("Illegal url: {0}", url));
}
if (receiver != null && contained)
{
m_receivers.Add(receiver.LocalEndPoint, receiver);
}
return receiver;
}
public MatchMakerClient(int discoveryPort, BinaryObjectDictionary dictionary)
{
udpReceiver = new UdpReceiver(discoveryPort + 1);
this.client = new DiscoveryClient(new UdpBroadcaster(discoveryPort), udpReceiver);
this.dictionary = dictionary;
}
