public async Task ConnectAsync(CoapTransportLayerConnectOptions connectOptions, CancellationToken cancellationToken)
{
try
{
_logger.Information(nameof(CoapTransportLayerAdapter), $"Connecting with '{connectOptions.EndPoint}'...");
await _transportLayer.ConnectAsync(connectOptions, cancellationToken).ConfigureAwait(false);
}
catch (Exception exception)
{
throw new CoapCommunicationException("Error while connecting with CoAP server.", exception);
}
}
Task DeregisterObservation(CoapMessage message)
{
var emptyResponse = new CoapMessage
{
Type = CoapMessageType.Reset,
Code = CoapMessageCodes.Empty,
Id = message.Id
};
_logger.Information(nameof(CoapClient), "Received unobserved message. Sending empty response to deregister.");
return(_client.SendAsync(emptyResponse, CancellationToken.None));
}
async Task DeregisterObservation(CoapMessage message)
{
var emptyResponse = new CoapMessage
{
Type = CoapMessageType.Reset,
Code = CoapMessageCodes.Empty,
Id = message.Id
};
await _lowLevelClient.SendAsync(emptyResponse, CancellationToken.None).ConfigureAwait(false);
_logger.Information(nameof(CoapClient), "Received unobserved message. Sending empty response to deregister.");
}
public async Task ConnectAsync(CoapTransportLayerConnectOptions connectOptions, CancellationToken cancellationToken)
{
if (connectOptions == null)
{
throw new ArgumentNullException(nameof(connectOptions));
}
cancellationToken.ThrowIfCancellationRequested();
try
{
_logger.Information(nameof(CoapTransportLayerAdapter), $"Connecting with '{connectOptions.EndPoint}'...");
await _transportLayer.ConnectAsync(connectOptions, cancellationToken).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception exception)
{
throw new CoapCommunicationException("Error while connecting with CoAP server.", exception);
}
}