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, config.Authority, resourceUriString); //String.Format("{0}://{1}?r={2}", scheme, config.Authority, 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 ObserveAsync(string resourceUriString, Action <CodeType, string, byte[]> action)
{
if (!channel.IsConnected)
{
await ConnectAsync();
}
session.UpdateKeepAliveTimestamp();
byte[] token = CoapToken.Create().TokenBytes;
ushort id = session.CoapSender.NewId(token, true, action);
string scheme = channel.IsEncrypted ? "coaps" : "coap";
string coapUriString = GetCoapUriString(scheme, resourceUriString);
CoapRequest cr = new CoapRequest(id, RequestMessageType.NonConfirmable, MethodType.GET, token,
new Uri(coapUriString), null)
{
Observe = true
};
observers.Add(resourceUriString, Convert.ToBase64String(token));
byte[] observeRequest = cr.Encode();
await channel.SendAsync(observeRequest);
}