示例#1
0
        public async Task <CoapResponse> RequestAsync(CoapRequest request, CancellationToken cancellationToken)
        {
            if (request is null)
            {
                throw new ArgumentNullException(nameof(request));
            }

            var requestMessage = _requestToMessageConverter.Convert(request);

            var responseMessage = await RequestAsync(requestMessage, cancellationToken).ConfigureAwait(false);

            var payload = responseMessage.Payload;

            if (CoapClientBlockTransferReceiver.IsBlockTransfer(responseMessage))
            {
                payload = await new CoapClientBlockTransferReceiver(requestMessage, responseMessage, this, _logger).ReceiveFullPayload(cancellationToken).ConfigureAwait(false);
            }

            return(_messageToResponseConverter.Convert(responseMessage, payload));
        }
示例#2
0
        public async Task <CoapObserveResponse> ObserveAsync(CoapObserveOptions options, CancellationToken cancellationToken)
        {
            if (options is null)
            {
                throw new ArgumentNullException(nameof(options));
            }

            var request = new CoapRequest
            {
                Method  = CoapRequestMethod.Get,
                Options = options.Request.Options,
            };

            var token = _messageTokenProvider.Next();

            var requestMessage = _requestToMessageConverter.Convert(request);

            requestMessage.Token = token.Value;
            requestMessage.Options.Add(new CoapMessageOptionFactory().CreateObserve(CoapObserveOptionValue.Register));

            var responseMessage = await RequestAsync(requestMessage, cancellationToken).ConfigureAwait(false);

            var payload = responseMessage.Payload;

            if (CoapClientBlockTransferReceiver.IsBlockTransfer(responseMessage))
            {
                payload = await new CoapClientBlockTransferReceiver(requestMessage, responseMessage, this, _logger).ReceiveFullPayload(cancellationToken).ConfigureAwait(false);
            }

            _observedResponseHandlers[token] = options.ResponseHandler;

            var response = _messageToResponseConverter.Convert(responseMessage, payload);

            return(new CoapObserveResponse(response, this)
            {
                Token = token,
                Request = request
            });
        }