public async Task <List <IEnvelope> > ReceiveAsync()
{
try
{
var reader = new EnvelopeReaderBuffer {
Buffer = new byte[4096], Payload = null
};
using (var socketStream = new SocketStream(this.TcpClient.Client)) // SocketStream is a class I have created
{
//if (_expectTls == true)
// receivedPackets = await TLSEnvelopeReader.ReceivePackets(reader, socketStream, this.cts.Token);
//else
List <IEnvelope> receivedPackets = await NOTLSEnvelopeReader.ReceivePackets(reader, socketStream, this.cancellationToken);
foreach (var packet in receivedPackets)
{
this.BytesReceived += (ulong)packet.EncipheredPayload.Length;
}
return(receivedPackets);
} // does t his something to the underlying socket...? No! Calls NetworkStream.Dispose which calls stream.Close
}
catch (Exception e)
{
DisposeAndThrow(e);
return(default);
public static void UpdatePayload(int currentBytesRead, EnvelopeReaderBuffer readerBuffer)
{
// read all available Data
if (readerBuffer.Payload == null) // first read, because readerBuffer.Payload is null
{
readerBuffer.Payload = new byte[currentBytesRead];
Buffer.BlockCopy(readerBuffer.Buffer, 0, readerBuffer.Payload, 0, currentBytesRead);
}
else
{
var existingLenght = readerBuffer.Payload.Length;
var newPayload = new byte[existingLenght + currentBytesRead];
Buffer.BlockCopy(readerBuffer.Payload, 0, newPayload, 0, existingLenght);
Buffer.BlockCopy(readerBuffer.Buffer, 0, newPayload, 0 + existingLenght, currentBytesRead);
readerBuffer.Payload = newPayload;
}
}
public async Task <List <IEnvelope> > SendRequestAsync(byte[] request)
{
var response = new List <IEnvelope>();
try
{
await this._sem.WaitAsync(); // this definitely deadlocks sometimes
if (!this.IsConnected)
{
return(response);
}
this._streamSocket.Send(request);
var bufferSize = 4096;
var reader = new EnvelopeReaderBuffer {
Buffer = new byte[bufferSize], Payload = null
};
using (var socketStream = new SocketStream(this._streamSocket)) // SocketStream is a class I have created
{
List <IEnvelope> receivedPackets;
if (this._expectTls == true)
{
receivedPackets = await TLSEnvelopeReader.ReceivePackets(reader, socketStream, this._cts.Token);
}
else
{
receivedPackets = await NOTLSEnvelopeReader.ReceivePackets(reader, socketStream, this._cts.Token);
}
}
}
catch (Exception e)
{
await DisconnectAsync();
throw;
}
finally
{
this._sem.Release();
}
return(response);
}