protected void InvokeDataReceived(BaseIpcServer server, IpcEventArgs args)
{
if (!args.HasErrors)
{
OnDataReceived?.Invoke(server, args);
}
}
private void ProcessClientSocket(Socket socket)
{
while (socket.Available == 0)
{
Thread.Yield();
}
var count = socket.Available;
var buffer = new byte[count];
socket.Receive(buffer);
socket.Send(__responseBytes);
socket.Close();
using (var stream = new StreamReader(new MemoryStream(buffer)))
{
var exit = false;
var headers = new List <HttpHeader>();
var query = string.Empty;
while (!stream.EndOfStream && !exit)
{
var line = stream.ReadLine();
if (string.IsNullOrEmpty(line))
{
exit = true;
}
else
{
if (line.Contains(':'))
{
var parts = line.Split(':');
headers.Add(new HttpHeader(parts[0], parts[1]));
}
else
{
query = line;
if (!query.StartsWith("POST"))
{
return;
}
}
}
}
byte[] messageBytes = null;
var contentLength = headers.FirstOrDefault(x => x.Name == "Content-Length");
if (!stream.EndOfStream && contentLength.Name != null)
{
if (int.TryParse(contentLength.Value, out var contentBytesCount))
{
messageBytes = new byte[contentBytesCount];
Array.Copy(buffer, buffer.Length - contentBytesCount, messageBytes, 0, contentBytesCount);
}
}
var result = new HttpPostData(headers.ToArray(), messageBytes ?? new byte[0], query);
OnDataReceived?.Invoke(result);
}
}
private void StartListening()
{
try {
client = server.AcceptTcpClient();
clientStream = client.GetStream();
OnClientConnected.Invoke();
stringBuilder = new StringBuilder();
while (started)
{
byte[] readBuffer = new byte[client.ReceiveBufferSize];
int bytesRead = clientStream.Read(readBuffer, 0, readBuffer.Length);
stringBuilder.Append(Encoding.ASCII.GetString(readBuffer, 0, bytesRead));
string content = stringBuilder.ToString();
while (content.IndexOf("\n") > -1)
{
int end = content.IndexOf("\n");
string message = content.Substring(0, end);
content = content.Substring(end + 1);
OnDataReceived.Invoke(message);
}
stringBuilder = new StringBuilder(content);
}
} catch (SocketException e) {
Console.WriteLine("SocketException: {0}", e);
} finally {
server.Stop();
}
}
/// <summary>
/// A loop that receives and parses link messages.
/// </summary>
private void ReceiveLoop()
{
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
while (!Closed)
{
if (Tunnel.Closed)
{
Log.Error("ITunnel closed, ending ReceiveLoop");
Close();
return;
}
Message msg = Receive();
if (msg == null)
{
Log.Trace("Null message, continuing");
continue;
}
OnMessageReceived?.Invoke(this, msg);
if (msg.Type == MessageType.Data)
{
Tunnel.DataBytesReceived += msg.Store["data"].Length;
OnDataReceived?.Invoke(this, msg.Store["data"]);
}
if (msg.Type == MessageType.Heartbeat && !HeartbeatCapable)
{
HeartbeatCapable = true;
}
}
}
public void Poll()
{
lock (_commandQueue)
{
while (_commandQueue.Count > 0)
{
UdpCommand command = _commandQueue.Dequeue();
switch (command)
{
case UdpCommand.Connect:
byte[] connectionData = _dataQueue.Dequeue();
OnConnectionAccepted?.Invoke(connectionData);
break;
case UdpCommand.Disconnect:
OnDisconnect?.Invoke();
break;
case UdpCommand.Data:
byte[] data = _dataQueue.Dequeue();
OnDataReceived?.Invoke(data);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
}
public static string TransmitExtended(string address)
{
OnDataSend?.Invoke(address, null);
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(address);
request.UserAgent = AppSettings.UserAgent;
request.Accept = "application/json";
WebResponse response = (HttpWebResponse)request.GetResponse();
if (response == null)
{
return(null);
}
Stream stream = response.GetResponseStream();
StreamReader reader = new StreamReader(stream);
string strResponse = reader.ReadToEnd();
OnDataReceived?.Invoke(strResponse);
stream.Close();
reader.Close();
response.Close();
return(strResponse);
}
catch (Exception e)
{
OnDataErrorReceived?.Invoke(e.Message);
return(null);
}
}
private void OnMessageRecieved(ArraySegment <byte> data)
{
try
{
//When we recieve we need to use this
//pending task to notify awaiters that we've actually produced
//new data from an incoming message.
lock (SyncObj)
{
//VERY important to always call/handle this first
//otherwise you will encounter a race condition, or return before handling
//due to the return below too.
//Most importantly there is a race condition for the continutation if we don't
//have the data received first.
OnDataReceived?.Invoke(this, data);
if (PendingRecieveSource.Task.IsCompleted)
{
return;
}
PendingRecieveSource.SetResult(true);
}
}
catch (Exception e)
{
Console.WriteLine($"Failed to handle incoming WebGL Websocket data. Reason: {e}");
throw;
}
}
private void OnLocalReceive(byte[] obj)
{
//接收到的数据
LastTime = DateTime.Now;
logger.Trace("[{0}:{1}]接收到数据: {2}", IpAddress, Port, obj.Length);
OnDataReceived?.Invoke(obj);
}
async void ReadAsync()
{
while (TcpClient.Connected)
{
try
{
int read = await TcpClient.GetStream().ReadAsync(buffer, bufferPos, buffer.Length - bufferPos);
if (read <= 0)
{
Thread.Sleep(250);
continue;
}
bufferPos += read;
if (bufferPos < 3)
{
Thread.Sleep(250);
continue;
}
byte[] header = new byte[4];
Array.Copy(buffer, 0, header, 0, 4);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(header);
}
int len = BitConverter.ToInt32(header, 0);
if (len > 0 && bufferPos >= len)
{
byte[] data = new byte[len];
Array.Copy(buffer, 4, data, 0, len);
var packet = new PacketReader <TOpcode>(data);
if (OnDataReceived == null)
{
logger.Warn($"No handler found for opcode: {packet.Opcode}");
}
OnDataReceived?.Invoke(this, new TcpPacketEventArgs <TOpcode> {
TcpClient = this, Packet = packet
});
int extra = bufferPos - (len + 4);
Array.Copy(buffer, len + 4, buffer, 0, extra);
bufferPos = extra;
}
}
catch (IOException)
{
if (TcpClient.Connected)
{
Thread.Sleep(125);
}
}
}
logger.Debug($"Client {Id} disconnected");
OnDisconnected?.Invoke(this, new TcpSocketEventArgs <TOpcode>(this));
}
public async Task StartAsync(CancellationToken?token = null)
{
_tokenSource = CancellationTokenSource.CreateLinkedTokenSource(token ?? new CancellationToken());
_token = _tokenSource.Token;
_listener.Start();
_listening = true;
try
{
while (!_token.IsCancellationRequested)
{
await Task.Run(async() =>
{
var tcpClientTask = _listener.AcceptTcpClientAsync();
var result = await tcpClientTask;
OnDataReceived?.Invoke(this, new DataReceivedEventArgs(result.GetStream()));
}, _token);
}
}
finally
{
_listener.Stop();
_listening = false;
}
}
/// <summary>Reads the asynchronous from the connection.
/// </summary>
/// <param name="stream">The socket stream.</param>
/// <param name="buffer">The buffer to use for storing bytes.</param>
private async void ReadAsync(NetworkStream stream, byte[] buffer)
{
try
{
var amountRead = await stream.ReadAsync(buffer, 0, buffer.Length);
if (amountRead > 0)
{
var text = Encoding.UTF8.GetString(buffer, 0, amountRead);
mLogFile?.Debug($"Received: {text}");
OnDataReceived?.Invoke(this, new SocketDataReceivedEventArgs(text));
// Continue reading
ReadAsync(stream, buffer);
}
else
{
mLogFile?.Info("No data found. The connection seems to be closed.");
ResetConnection();
}
}
catch (ObjectDisposedException)
{
// Occurs when the connection is closed.
}
catch (Exception e)
{
mLogFile?.Error(e.Message);
ResetConnection();
}
}
//should only receive END_TASK<space><CSV>
private void Server_OnDataReceived(object sender, ServerEventArgs e)
{
string message = e.Message;
//try catch because of parsing
try
{
if (message.Split(' ')[0] == "END_TASK")
{
//all is OK; get the data; place it as most recent
messages.Enqueue(message.Split(new char[] { ' ' }, 2)[1]);
//in the end notify anybody who might be above
//black bloody magic that's what this is
Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Background,
new Action(() => OnDataReceived.Invoke(this, new SimulatorEventArgs("New message enqueued."))));
}
else
{
throw new Exception("Message received from client simulator did not parse well");
}
}
catch (Exception ex)
{
}
}
protected override void ReadAsync()
{
Byte[] Message = UDPManager.Receive(ref UDPEndpoint);
string Line = Encoding.ASCII.GetString(Message);
OnDataReceived.Invoke(Line);
}
public static async Task StartClientSocketAsync()
{
try
{
_cancellationClientToken = CancellationTokenSource.CreateLinkedTokenSource(new CancellationToken());
while (!_cancellationClientToken.Token.IsCancellationRequested)
{
await Task.Run(() =>
{
if (PlayerClient.Connected && PlayerClient.GetStream().DataAvailable&&
PlayerClient.GetStream().CanRead)
{
NetworkStream stream = PlayerClient.GetStream();
byte[] data = new byte[1024 * 1024];
string json = string.Empty;
var bytes = stream.Read(data, 0, data.Length);
if (bytes > 0)
{
json = Encoding.ASCII.GetString(data, 0, bytes);
}
OnDataReceived?.Invoke(null, new DataReceivedEvent(json));
}
Thread.Sleep(25);
}, _cancellationClientToken.Token);
}
}
catch
{
MessageBox.Show("Client disconnected");
}
finally
{
PlayerClient.Client.Close();
}
}
private async void ListenToClientAsync(TcpClient client, CancellationToken token)
{
await Task.Run(() =>
{
try
{
while (client.Connected && !_token.IsCancellationRequested)
{
OnDataReceived?.Invoke(client, new DataReceivedEventArgs(Name, client.GetStream(), ((IPEndPoint)client.Client.RemoteEndPoint).Address));
}
}
catch (Exception e)
{
_Logger.Log(Name, e.ToLog("Client closed unexpectedly!"), LogLevels.Fatal);
}
finally
{
try
{
client.Close();
}
catch (Exception e)
{
_Logger.Log(Name, e.ToLog("Client closed with error!"), LogLevels.Fatal);
}
}
});
}
//should only receive END_TASK<space><CSV>
private void Server_OnDataReceived(object sender, ServerEventArgs e)
{
string message = e.Message;
//try catch because of parsing
try
{
if (message.Split(' ')[0] == "END_TASK")
{
//all is OK; get the data; place it as most recent
messages.Enqueue(message.Split(' ')[1]);
//in the end notify anybody who might be above
OnDataReceived.Invoke(this, new SimulatorEventArgs(message));
}
else
{
throw new Exception("Message received from client simulator did not parse well");
}
}
catch (Exception ex)
{
}
}
public async Task StartAsync()
{
tokenSource = new CancellationTokenSource();
tokenSource.Token.Register(() => listener.Stop());
listener.Start();
Listening = true;
try
{
while (!tokenSource.Token.IsCancellationRequested)
{
await Task.Run(async() =>
{
var result = await listener.AcceptTcpClientAsync();
OnDataReceived?.Invoke(result.Client, result.GetStream());
}, tokenSource.Token);
}
}
catch (ObjectDisposedException)
{
// If we cancelled the token and that Stopped listener, AcceptTcpClientAsync() will throw this exception
}
finally
{
listener.Stop();
Listening = false;
}
}
/// <summary>
/// Subscribe to a given characteristic and sets a delegate where the data will be returned whenever the server
/// device notifies any new data
/// </summary>
public static void Subscribe(Characteristic characteristic, OnDataReceived onDataReceived)
{
CheckIfInitialized();
if (CurrentState != State.Connected && CurrentState != State.Subscribing)
{
throw new Exception("You need to be connected to a device before you can subscribe to any characteristic");
}
SetState(State.Subscribing);
Observable
.Timer(TimeSpan.FromSeconds(2f))
.Subscribe(_ =>
{
Debug.Log("Subscribing..");
BluetoothLEHardwareInterface.SubscribeCharacteristicWithDeviceAddress(characteristic.Device.Address,
characteristic.ServiceUuid, characteristic.CharacteristicUuid,
(__, ___) => SetState(State.Communicating),
(address, characteristicUuid, bytes) =>
{
onDataReceived?.Invoke(new Data
{
Characteristic = characteristic,
RawData = bytes
});
});
});
}
/// <summary>
/// Gets the CSV file as a stream reader object.
/// </summary>
/// <param name="address">The URI to use</param>
/// <returns>The response from Server</returns>
public static StreamReader GetCsvStream(string address)
{
OnDataSend?.Invoke(address, null);
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(address);
request.UserAgent = AppSettings.UserAgent;
request.Accept = "text/csv";
var response = (HttpWebResponse)request.GetResponse();
if (response == null)
{
return(null);
}
Stream stream = response.GetResponseStream();
StreamReader streamReader = new StreamReader(stream);
OnDataReceived?.Invoke(response.StatusCode.ToString());
return(streamReader);
}
catch (Exception e)
{
OnDataErrorReceived?.Invoke(e.Message);
return(null);
}
}
private void ReceiverMethod()
{
try
{
while (oscReceiver.State != OscSocketState.Closed)
{
if (oscReceiver.State == OscSocketState.Connected)
{
ReceiverSemaphore.WaitOne();
data = oscReceiver.Receive();
if (((OscMessage)data).Address == "/DTDT")
{
OnDataReceived?.Invoke(data);
}
ReceiverSemaphore.Release();
}
}
}
catch (Exception ex)
{
if (oscReceiver.State == OscSocketState.Connected)
{
Console.WriteLine("Exception in listen loop");
Console.WriteLine(ex.Message);
}
}
}
public void receiveSessionData()
{
NetworkStream stream = client.GetStream();
while (true)
{
try
{
while (!stream.DataAvailable)
{
; //wait while nothing is available
}
}
catch (Exception e)
{
break;
}
Byte[] bytes = new Byte[client.Available];
stream.Read(bytes, 0, bytes.Length);
NewTextData = System.Text.Encoding.UTF8.GetString(bytes);
receivedText.Add(NewTextData);
OnDataReceived.Invoke(this, new ServerEventArgs("Received: " + NewTextData.ToString()));
}
}
private void _WebSocket_OnMessage(object sender, MessageEventArgs e)
{
_lastReceivedTime = DateTime.UtcNow;
if (e.IsBinary)
{
string data = GZipDecompresser.Decompress(e.RawData);
var pingMessage = JsonConvert.DeserializeObject <PingMessageV1>(data);
if (pingMessage.IsPing())
{
Console.WriteLine($"Received ping:{pingMessage.ts}");
string pongData = $"{{\"op\":\"pong\", \"ts\":{pingMessage.ts}}}";
_WebSocket.Send(pongData);
Console.WriteLine($"Replied pong:{pingMessage.ts}");
}
else
{
JToken json = JToken.Parse(data);
string op = json.Value <string>("op");
if (String.Equals(op, "auth"))
{
var response = JsonConvert.DeserializeObject <WebSocketV1AuthResponse>(data);
OnAuthenticationReceived?.Invoke(response);
}
else
{
var response = JsonConvert.DeserializeObject <DataResponseType>(data);
OnDataReceived?.Invoke(response);
}
}
}
}
public string ExecuteWaitAndRead(string command)
{
var early = CurrentSp.ReadExisting();
if (OnDataReceived != null)
{
OnDataReceived.Invoke(early);
}
var result = new StringBuilder();
CurrentSp.WriteLine(command);
for (var i = 0; i < MaxRetries; i++)
{
var s = CurrentSp.ReadExisting();
result.Append(s);
if (OnDataReceived != null)
{
OnDataReceived.Invoke(s);
}
if (_end.IsMatch(
result.ToString()))
{
break;
}
Thread.Sleep(50);
}
var str = result.ToString();
return(str.Substring(command.Length + 2, str.Length - 4 - command.Length)); // Kill the echo, '\r\n> '
}
public void Receive()
{
if (!Connected)
{
return;
}
m_socket.BeginReceive(m_buffer, 0, m_buffer.Length, SocketFlags.None, out var outBeginError, iar =>
{
if (!Connected)
{
return;
}
int size = m_socket.EndReceive(iar, out var outEndError);
if (size == 0 || outEndError != SocketError.Success)
{
Dispose();
}
else
{
OnDataReceived?.Invoke(m_buffer, size);
}
}, null);
if (outBeginError != SocketError.Success)
{
Dispose();
}
}
private void _WebSocket_OnMessage(object sender, MessageEventArgs e)
{
_lastReceivedTime = DateTime.UtcNow;
if (e.IsBinary)
{
string data = GZipDecompresser.Decompress(e.RawData);
var pingMessage = JsonConvert.DeserializeObject <PingMessageV1>(data);
if (pingMessage.IsPing())
{
AppLogger.Trace($"WebSocket received data, ping={pingMessage.ts}");
string pongData = $"{{\"op\":\"pong\", \"ts\":{pingMessage.ts}}}";
_WebSocket.Send(pongData);
AppLogger.Trace($"WebSocket repied data, pong={pingMessage.ts}");
}
else
{
dynamic json = JToken.Parse(data);
string op = json.op;
if (String.Equals(op, "auth"))
{
var response = JsonConvert.DeserializeObject <WebSocketV1AuthResponse>(data);
OnAuthenticationReceived?.Invoke(response);
}
else
{
var response = JsonConvert.DeserializeObject <DataResponseType>(data);
OnDataReceived?.Invoke(response);
}
}
}
}
private void ListenLoop()
{
int bytesRead;
while (!_IsStopped)
{
byte[] buffer = new byte[258];
bytesRead = 0;
try
{
bytesRead = _ClientStream.Read(buffer, 0, 258);
}
catch
{
break;
}
if (bytesRead == 0)
{
Thread.Sleep(15);
continue;
}
var message = Encoding.UTF8.GetString(buffer, 0, bytesRead);
OnDataReceived?.Invoke(message);
Thread.Sleep(15);
}
}
public async Task StartAsync(CancellationToken?token = null)
{
_tokenSource = CancellationTokenSource.CreateLinkedTokenSource(token ?? new CancellationToken());
_token = _tokenSource.Token;
_listener.Start();
_listening = true;
try
{
try
{
while (!_token.IsCancellationRequested)
{
await Task.Run(async() =>
{
var tcpClientTask = _listener.AcceptTcpClientAsync().WithWaitCancellation(_token);
var result = await tcpClientTask;
var ipAddressStr = result.Client.RemoteEndPoint.ToString();
OnDataReceived?.Invoke(this, new DataReceivedEventArgs(result.GetStream(), ipAddressStr, DateTime.Now));
}, _token);
}
} catch (OperationCanceledException ex) { }
}
finally
{
_listener.Stop();
_listening = false;
}
}
//---------------------------------------------------------------------
void _raiseDataReceived(byte[] data, int len)
{
if (OnDataReceived != null)
{
OnDataReceived.Invoke(data, len);
}
}
async void ReceiveAsync()
{
while (running)
{
try
{
var result = await UdpClient.ReceiveAsync();
var packet = new PacketReader <TOpcode>(result.Buffer);
if (OnDataReceived == null)
{
logger.Warn($"No handler found for opcode: {packet.Opcode}");
}
OnDataReceived?.Invoke(this, new AsyncUdpPacketEventArgs <TOpcode>
{
Client = this,
Packet = packet,
Sender = result.RemoteEndPoint
});
}
catch (SocketException e)
{
running = false;
logger.Debug(e);
}
}
logger.Debug($"Client {Id} disconnected");
OnDisconnected?.Invoke(this, new AsyncUdpSocketEventArgs <TOpcode> {
Client = this
});
}
/// <summary>
/// Callback which processes a message sent from the server
/// </summary>
/// <param name="ar"></param>
private void StreamReceived(IAsyncResult ar)
{
int bytesRead = 0;
try
{
lock (Client.GetStream())
{
bytesRead = Client.GetStream().EndRead(ar);
}
}
catch { }
//Create the byte array with the number of bytes read
byte[] data = new byte[bytesRead];
//Populate the array
for (int i = 0; i < bytesRead; i++)
{
data[i] = ReadBuffer[i];
}
OnDataReceived?.Invoke(data);
//Listen for new data
StartListening();
}