public void ProactiveCancel()
{
Request cancel = Request.NewGet();
// copy options, but set Observe to cancel
cancel.SetOptions(_request.GetOptions());
cancel.MarkObserveCancel();
// use same Token
cancel.Token = _request.Token;
cancel.Destination = _request.Destination;
// dispatch final response to the same message observers
cancel.CopyEventHandler(_request);
cancel.Send(_endpoint);
// cancel old ongoing request
_request.IsCancelled = true;
_canceled = true;
}
public void CancelObserve(ObjectType objectType, string instanceID, string resourceID, bool useReset)
{
if (_ObserveRequests != null)
{
string uriPath;
if (string.IsNullOrEmpty(instanceID))
uriPath = objectType.Path;
else if (string.IsNullOrEmpty(resourceID))
uriPath = string.Concat(objectType.Path, "/", instanceID);
else
uriPath = string.Concat(objectType.Path, "/", instanceID, "/", resourceID);
int index = 0;
while (index < _ObserveRequests.Count)
{
if (_ObserveRequests[index].Request.UriPath == uriPath)
{
Request observeRequest = _ObserveRequests[index].Request;
_ObserveRequests.RemoveAt(index);
if (observeRequest != null)
{
if (useReset)
{
observeRequest.IsCancelled = true;
}
else
{
Request request = new Request(Method.GET);
request.Accept = _DataFormat;
request.Destination = observeRequest.Destination;
request.EndPoint = observeRequest.EndPoint;
request.UriPath = observeRequest.UriPath;
request.MarkObserveCancel();
SendRequest(request);
observeRequest.IsCancelled = true;
}
}
}
else
index++;
}
}
}