public async Task PublishAsync(string resourceUriString, string contentType, byte[] payload, bool confirmable,
Action <CodeType, string, byte[]> action)
{
if (!channel.IsConnected)
{
await ConnectAsync();
}
session.UpdateKeepAliveTimestamp();
byte[] token = CoapToken.Create().TokenBytes;
ushort id = session.CoapSender.NewId(token, null, action);
string scheme = channel.IsEncrypted ? "coaps" : "coap";
string coapUriString = GetCoapUriString(scheme, resourceUriString);
RequestMessageType mtype = confirmable ? RequestMessageType.Confirmable : RequestMessageType.NonConfirmable;
CoapRequest cr = new CoapRequest(id, mtype, MethodType.POST, token, new Uri(coapUriString),
MediaTypeConverter.ConvertToMediaType(contentType), payload);
queue.Enqueue(cr.Encode());
while (queue.Count > 0)
{
byte[] message = queue.Dequeue();
Task t = channel.SendAsync(message);
await Task.WhenAll(t);
}
}
public async Task <List <MediaTypeViewModel> > GetAllMediaTypeAsync(
CancellationToken ct = default(CancellationToken))
{
var mediaTypes = MediaTypeConverter.ConvertList(await _mediaTypeRepository.GetAllAsync(ct));
return(mediaTypes);
}
public async Task <MediaTypeViewModel> GetMediaTypeByIdAsync(int id,
CancellationToken ct = default(CancellationToken))
{
var mediaTypeViewModel = MediaTypeConverter.Convert(await _mediaTypeRepository.GetByIdAsync(id, ct));
mediaTypeViewModel.Tracks = await GetTrackByMediaTypeIdAsync(mediaTypeViewModel.MediaTypeId, ct);
return(mediaTypeViewModel);
}
public Task <CoapMessage> PostAsync(CoapMessage message)
{
TaskCompletionSource <CoapMessage> tcs = new TaskCompletionSource <CoapMessage>();
CoapUri uri = new CoapUri(message.ResourceUri.ToString());
ResponseMessageType rmt = message.MessageType == CoapMessageType.Confirmable ? ResponseMessageType.Acknowledgement : ResponseMessageType.NonConfirmable;
registry.GetAction("POST", uri.Resource)?.Invoke(MediaTypeConverter.ConvertFromMediaType(message.ContentType), message.Payload);
CoapMessage response = new CoapResponse(message.MessageId, rmt, ResponseCodeType.Created, message.Token);
tcs.SetResult(response);
return(tcs.Task);
}
private void Channel_OnReceive(object sender, ChannelReceivedEventArgs e)
{
try
{
CoapMessage message = CoapMessage.DecodeMessage(e.Message);
if (!session.IsAuthenticated || forcePerReceiveAuthn)
{
session.EnsureAuthentication(message, forcePerReceiveAuthn);
UserAuditRecord record = new UserAuditRecord(Channel.Id, session.Identity,
session.Config.IdentityClaimType, Channel.TypeId, "COAP", "Granted", DateTime.UtcNow);
userAuditor?.WriteAuditRecordAsync(record).Ignore();
}
OnObserve?.Invoke(this,
new ChannelObserverEventArgs(Channel.Id, message.ResourceUri.ToString(),
MediaTypeConverter.ConvertFromMediaType(message.ContentType), message.Payload));
Task task = Task.Factory.StartNew(async() =>
{
CoapMessageHandler handler = CoapMessageHandler.Create(session, message, dispatcher);
CoapMessage msg = await handler.ProcessAsync();
if (msg != null)
{
byte[] payload = msg.Encode();
await Channel.SendAsync(payload);
}
});
task.LogExceptions();
}
catch (Exception ex)
{
logger?.LogErrorAsync(ex, $"CoAP adapter receiveing on channel '{Channel.Id}'.").GetAwaiter();
OnError?.Invoke(this, new ProtocolAdapterErrorEventArgs(Channel.Id, ex));
Channel.CloseAsync().Ignore();
}
}
public Task PublishAsync(string resourceUriString, string contentType, byte[] payload, NoResponseType nrt)
{
if (!channel.IsConnected)
{
Open();
Receive();
}
session.UpdateKeepAliveTimestamp();
byte[] token = CoapToken.Create().TokenBytes;
ushort id = session.CoapSender.NewId(token);
string scheme = channel.IsEncrypted ? "coaps" : "coap";
string coapUriString = GetCoapUriString(scheme, resourceUriString);
CoapRequest cr = new CoapRequest(id, RequestMessageType.NonConfirmable, MethodType.POST,
new Uri(coapUriString), MediaTypeConverter.ConvertToMediaType(contentType), payload)
{
NoResponse = nrt
};
return(channel.SendAsync(cr.Encode()));
}
public static byte[] ConvertToCoap(CoapSession session, EventMessage message, byte[] observableToken = null)
{
CoapMessage coapMessage = null;
CoapToken token = CoapToken.Create();
ushort id = observableToken == null?session.CoapSender.NewId(token.TokenBytes) : session.CoapSender.NewId(observableToken);
string uriString = CoapUri.Create(session.Config.Authority, message.ResourceUri, IsEncryptedChannel);
if (message.Protocol == ProtocolType.MQTT)
{
MqttMessage msg = MqttMessage.DecodeMessage(message.Message);
PublishMessage pub = msg as PublishMessage;
MqttUri uri = new MqttUri(pub.Topic);
if (observableToken == null)
{
RequestMessageType messageType = msg.QualityOfService == QualityOfServiceLevelType.AtMostOnce ? RequestMessageType.NonConfirmable : RequestMessageType.Confirmable;
//request
coapMessage = new CoapRequest(id, messageType, MethodType.POST, new Uri(uriString), MediaTypeConverter.ConvertToMediaType(message.ContentType));
}
else
{
//response
coapMessage = new CoapResponse(id, ResponseMessageType.NonConfirmable, ResponseCodeType.Content, observableToken, MediaTypeConverter.ConvertToMediaType(uri.ContentType), msg.Payload);
}
}
else if (message.Protocol == ProtocolType.COAP)
{
CoapMessage msg = CoapMessage.DecodeMessage(message.Message);
if (observableToken == null)
{
//request
coapMessage = new CoapRequest(id, msg.MessageType == CoapMessageType.Confirmable ? RequestMessageType.Confirmable : RequestMessageType.NonConfirmable, MethodType.POST, new Uri(uriString), MediaTypeConverter.ConvertToMediaType(message.ContentType), msg.Payload);
}
else
{
//response
coapMessage = new CoapResponse(id, ResponseMessageType.NonConfirmable, ResponseCodeType.Content, observableToken, MediaTypeConverter.ConvertToMediaType(message.ContentType), msg.Payload);
}
}
else
{
if (observableToken == null)
{
//request
coapMessage = new CoapRequest(id, RequestMessageType.NonConfirmable, MethodType.POST, new Uri(uriString), MediaTypeConverter.ConvertToMediaType(message.ContentType), message.Message);
}
else
{
//response
coapMessage = new CoapResponse(id, ResponseMessageType.NonConfirmable, ResponseCodeType.Content, observableToken, MediaTypeConverter.ConvertToMediaType(message.ContentType), message.Message);
}
}
return(coapMessage.Encode());
}