/// <summary>
/// On connection open.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnConnected(object sender, EventArgs e)
{
// Create the recorder and audio buffer.
_recorder = new IO.Audio.WaveRecorder(_device);
_recorder.DataAvailable += _recorder_DataAvailable;
_recorder.RecordingStopped += _recorder_RecordingStopped;
_recorder.BufferMilliseconds = _bufferMilliseconds;
// Open the audio buffer.
_audioBuffer = new IO.Stream.StreamBufferBase();
_recorder.Open(_audioBuffer, new IO.Audio.Wave.WaveFormatProvider(_waveSampleRate, _waveBitsPerSample, _waveChannels), IO.Audio.AudioRecordingFormat.WaveInEvent);
// Create a default audio sample rate.
// Write the first header data to the buffer.
Nequeo.IO.Audio.WaveStructure waveStructure = Nequeo.IO.Audio.WaveStructure.CreateDefaultStructure(_waveChannels, _waveSampleRate, _waveBitsPerSample, new byte[0]);
Nequeo.IO.Audio.WaveFormat waveFormat = new Nequeo.IO.Audio.WaveFormat();
bool ret = waveFormat.Write(_audioBuffer, waveStructure);
// Get the number of wave header bytes.
long headerSize = _audioBuffer.Length;
// Lock the client
lock (_syncObject)
{
byte[] buffer = new byte[(int)headerSize];
int read = _audioBuffer.Read(buffer, 0, (int)headerSize);
// Send the header data to the speech server.
_client.Send(buffer.Take(read).ToArray(), false);
}
// Start recording.
_recorder.Start();
OnRecording?.Invoke(this, new EventArgs());
}
/// <summary>
/// Dispose(bool disposing) executes in two distinct scenarios.
/// If disposing equals true, the method has been called directly
/// or indirectly by a user's code. Managed and unmanaged resources
/// can be disposed.
/// If disposing equals false, the method has been called by the
/// runtime from inside the finalizer and you should not reference
/// other objects. Only unmanaged resources can be disposed.
/// </summary>
private void Dispose(bool disposing)
{
// Check to see if Dispose has already been called.
if (!this._disposed)
{
// Note disposing has been done.
_disposed = true;
// If disposing equals true, dispose all managed
// and unmanaged resources.
if (disposing)
{
if (_audioBuffer != null)
{
_audioBuffer.Dispose();
}
if (_recorder != null)
{
_recorder.Dispose();
}
if (_client != null)
{
_client.Dispose();
}
}
_audioBuffer = null;
_recorder = null;
_client = null;
_syncObject = null;
}
}
/// <summary>
/// Dispose(bool disposing) executes in two distinct scenarios.
/// If disposing equals true, the method has been called directly
/// or indirectly by a user's code. Managed and unmanaged resources
/// can be disposed.
/// If disposing equals false, the method has been called by the
/// runtime from inside the finalizer and you should not reference
/// other objects. Only unmanaged resources can be disposed.
/// </summary>
protected virtual void Dispose(bool disposing)
{
// Check to see if Dispose has already been called.
if (!this._disposed)
{
// Note disposing has been done.
_disposed = true;
// If disposing equals true, dispose all managed
// and unmanaged resources.
if (disposing)
{
if (_requestBuffer != null)
{
_requestBuffer.Dispose();
}
if (_responseBuffer != null)
{
_responseBuffer.Dispose();
}
}
// Call the appropriate methods to clean up
// unmanaged resources here.
_requestBuffer = null;
_responseBuffer = null;
}
}
/// <summary>
/// Http server request.
/// </summary>
public HttpRequest()
{
// Create the original header list.
OriginalHeaders = new List <NameValue>();
// Create the buffers.
_input = new Nequeo.IO.Stream.StreamBufferBase();
}
/// <summary>
/// Open the recorder.
/// </summary>
/// <param name="outStream">The stream to write the audio to.</param>
/// <param name="format">The audio wave format.</param>
/// <param name="audioRecordingFormat">The audio recording format.</param>
public void Open(Nequeo.IO.Stream.StreamBufferBase outStream, WaveFormatProvider format = null, AudioRecordingFormat audioRecordingFormat = AudioRecordingFormat.WaveIn)
{
// If not created.
if (!_waveInCreated)
{
_audioStream = outStream;
_internalStream = false;
_isBufferStream = true;
// Initialise.
Init(format, audioRecordingFormat);
_waveInCreated = true;
}
}
/// <summary>
/// On connection closed.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnDisconnected(object sender, EventArgs e)
{
if (_recorder != null)
{
_recorder.Close();
}
if (_audioBuffer != null)
{
_audioBuffer.Dispose();
}
if (_recorder != null)
{
_recorder.Dispose();
}
_audioBuffer = null;
_recorder = null;
}
/// <summary>
/// Dispose(bool disposing) executes in two distinct scenarios.
/// If disposing equals true, the method has been called directly
/// or indirectly by a user's code. Managed and unmanaged resources
/// can be disposed.
/// If disposing equals false, the method has been called by the
/// runtime from inside the finalizer and you should not reference
/// other objects. Only unmanaged resources can be disposed.
/// </summary>
private void Dispose(bool disposing)
{
// Check to see if Dispose has already been called.
if (!this._disposed)
{
// Note disposing has been done.
_disposed = true;
// If disposing equals true, dispose all managed
// and unmanaged resources.
if (disposing)
{
// Dispose managed resources.
if (_input != null)
{
_input.Dispose();
}
}
// Call the appropriate methods to clean up
// unmanaged resources here.
_input = null;
}
}
/// <summary>
/// On web socket context.
/// </summary>
/// <param name="webSocketContext">The asp net web socket context.</param>
private async void OnChatWebSocketContext(System.Web.WebSockets.AspNetWebSocketContext context)
{
WebSocket webSocket = null;
Nequeo.Net.WebSockets.WebSocketMember member = null;
Nequeo.Collections.CircularBuffer <byte> requestBuffer = null;
Nequeo.IO.Stream.StreamBufferBase requestStream = null;
try
{
// Get the current web socket.
webSocket = context.WebSocket;
// Create the web socket member and
// add to the member collection.
member = new Nequeo.Net.WebSockets.WebSocketMember(webSocket);
AddMember(member);
// Holds the receive data.
bool hasBeenFound = false;
byte[] store = new byte[0];
byte[] receiveBuffer = new byte[READ_BUFFER_SIZE];
// Create the stream buffers.
requestBuffer = new Collections.CircularBuffer <byte>(base.RequestBufferCapacity);
requestStream = new Nequeo.IO.Stream.StreamBufferBase(requestBuffer);
requestBuffer.RemoveItemsWritten = true;
// Create the current chat state.
Chat.ChatWebSocketState chatState = new Chat.ChatWebSocketState()
{
Member = member, RequestStream = requestStream, WebSocket = webSocket
};
CancellationTokenSource receiveCancelToken = new CancellationTokenSource();
// While the WebSocket connection remains open run a
// simple loop that receives data and sends it back.
while (webSocket.State == WebSocketState.Open)
{
// Receive the next set of data.
ArraySegment <byte> arrayBuffer = new ArraySegment <byte>(receiveBuffer);
WebSocketReceiveResult receiveResult = await webSocket.ReceiveAsync(arrayBuffer, receiveCancelToken.Token);
// Assign the member properties.
member.ReceiveResult = receiveResult;
member.TimeoutTime = DateTime.Now;
requestStream.Write(receiveBuffer, 0, receiveResult.Count);
// If the connection has been closed.
if (receiveResult.MessageType == WebSocketMessageType.Close)
{
// Close the connection.
member.Close();
break;
}
else
{
// Store the data.
byte[] temp = null;
if (!hasBeenFound)
{
temp = store.CombineParallel(receiveBuffer);
// Find the end of the data.
hasBeenFound = Nequeo.Net.Utility.IsParse2CRLF(temp);
// Store the data until the end.
store = temp;
temp = null;
}
else
{
// If this is the end of the message.
if (receiveResult.EndOfMessage)
{
// Clear the store.
store = null;
store = new byte[0];
hasBeenFound = false;
string resource = "";
// Get the request headers.
List <Nequeo.Model.NameValue> headers = base.ParseHeaders(requestStream, out resource, base.HeaderTimeout);
// All headers have been found.
if (headers != null)
{
// Get the execution member.
// Set the calling member.
string executionMember = headers.First(m => m.Name.ToUpper().Contains("MEMBER")).Value;
string actionName = headers.First(m => m.Name.ToUpper().Contains("ACTIONNAME")).Value;
// Assign the values.
chatState.Headers = headers;
chatState.ExecutionMember = executionMember;
chatState.ErrorCode = new Exceptions.ErrorCodeException("OK", 200);
try
{
// Validate the current user token.
bool isTokenValid = ValidateToken(chatState);
}
catch (Exceptions.ErrorCodeException exc)
{
// Get the error code.
chatState.ErrorCode = exc;
}
catch (Exception ex)
{
// Internal error.
chatState.ErrorCode = new Exceptions.ErrorCodeException(ex.Message, 500);
}
// Send a message back to the client indicating that
// the message was recivied and was sent.
await webSocket.SendAsync(new ArraySegment <byte>(
CreateResponse(chatState.ErrorCode.ErrorCode, true, executionMember, actionName, chatState.ErrorCode.Message)),
WebSocketMessageType.Binary, true, CancellationToken.None);
}
}
}
}
}
// Cancel the receive request.
if (webSocket.State != WebSocketState.Open)
{
receiveCancelToken.Cancel();
}
}
catch { }
finally
{
// If a member context exists.
if (member != null)
{
try
{
// Remove the member context
// from the collection.
RemoveMember(member);
}
catch { }
member = null;
}
// Clean up by disposing the WebSocket.
if (webSocket != null)
{
webSocket.Dispose();
}
if (requestBuffer != null)
{
requestBuffer.Dispose();
}
if (requestStream != null)
{
requestStream.Dispose();
}
if (_communication != null)
{
try
{
// Remove the client from the communication service.
_communication.RemoveClient(member.UniqueIdentifier, base.ServiceName, _machineName, null, actionName: member.UniqueIdentifier);
}
catch { }
}
}
}
/// <summary>
/// Http server request.
/// </summary>
public HttpResponse()
{
// Create the buffers.
_output = new Nequeo.IO.Stream.StreamBufferBase();
}
/// <summary>
/// Http server request.
/// </summary>
public HttpResponse()
{
// Create the buffers.
_output = new Nequeo.IO.Stream.StreamBufferBase();
ProtocolVersion = "HTTP/2";
}
