public async Task <CoapMessage> ReceiveAsync(CancellationToken cancellationToken)
{
var datagramLength = await _transportLayerAdapter.ReceiveAsync(_receiveBuffer, cancellationToken).ConfigureAwait(false);
if (datagramLength == 0)
{
return(null);
}
return(_messageDecoder.Decode(new ArraySegment <byte>(_receiveBuffer.Array, 0, datagramLength)));
}
void Enocde_And_Decode_Internal(CoapMessage message)
{
var messageEncoder = new CoapMessageEncoder();
var messageBuffer = messageEncoder.Encode(message);
var messageDecoder = new CoapMessageDecoder(new CoapNetLogger());
var decodedMessage = messageDecoder.Decode(messageBuffer);
Assert.AreEqual(message.Type, decodedMessage.Type);
Assert.AreEqual(message.Code, decodedMessage.Code);
CollectionAssert.AreEqual(message.Token, decodedMessage.Token);
CollectionAssert.AreEqual(message.Options, decodedMessage.Options);
if (message.Payload.Array == null && message.Payload.Array == null)
{
return;
}
CollectionAssert.AreEqual(message.Payload.ToArray(), decodedMessage.Payload.ToArray());
}
public async Task <CoapResponse> Request(CoapRequest request, CancellationToken cancellationToken)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
var requestMessage = _requestToMessageConverter.Convert(request);
requestMessage.Id = _messageIdProvider.Next();
var requestMessageBuffer = _messageEncoder.Encode(requestMessage);
await _transportLayer.SendAsync(requestMessageBuffer, cancellationToken).ConfigureAwait(false);
// TODO: Add proper reqest-response matching like in MQTTnet.
await _transportLayer.ReceiveAsync(_receiveBuffer, cancellationToken).ConfigureAwait(false);
var responseMessage = _messageDecoder.Decode(_receiveBuffer);
return(_messageToResponseConverter.Convert(responseMessage));
}