void ApplyUriPort(CoapRequest request, CoapMessage message)
{
if (!request.Options.UriPort.HasValue)
{
return;
}
message.Options.Add(_optionFactory.CreateUriPort((uint)request.Options.UriPort.Value));
}
void ApplyUriHost(CoapRequest request, CoapMessage message)
{
if (string.IsNullOrEmpty(request.Options.UriHost))
{
return;
}
message.Options.Add(_optionFactory.CreateUriHost(request.Options.UriHost));
}
void ApplyUriQuery(CoapRequest request, CoapMessage message)
{
if (request.Options.UriQuery == null)
{
return;
}
foreach (var query in request.Options.UriQuery)
{
message.Options.Add(_optionFactory.CreateUriQuery(query));
}
}
void ApplyUriPath(CoapRequest request, CoapMessage message)
{
if (string.IsNullOrEmpty(request.Options.UriPath))
{
return;
}
var paths = request.Options.UriPath.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var path in paths)
{
message.Options.Add(_optionFactory.CreateUriPath(path));
}
}
public CoapMessage Convert(CoapRequest request)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
var message = new CoapMessage
{
Type = CoapMessageType.Confirmable,
Code = GetMessageCode(request.Method),
Options = new List <CoapMessageOption>()
};
message.Options.Add(_optionFactory.CreateUriPath(request.Uri));
message.Options.Add(_optionFactory.CreateUriPort(5648));
return(message);
}
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));
}
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
});
}
public CoapMessage Convert(CoapRequest request)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
var message = new CoapMessage
{
Type = CoapMessageType.Confirmable,
Code = GetMessageCode(request.Method),
Options = new List <CoapMessageOption>(),
Payload = request.Payload
};
ApplyUriHost(request, message);
ApplyUriPort(request, message);
ApplyUriPath(request, message);
ApplyUriQuery(request, message);
return(message);
}
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));
}
