/// <summary>
/// Send a message to the resource being observed that we want to cancel
/// the observation.
/// </summary>
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 UpdateETags(byte[][] eTags)
{
Request newRequest = Request.NewGet();
// Copy over the options
newRequest.SetOptions(Request.GetOptions());
newRequest.ClearETags();
foreach (byte[] tag in eTags)
{
newRequest.AddETag(tag);
}
newRequest.Token = Request.Token;
newRequest.Destination = Request.Destination;
newRequest.CopyEventHandler(Request);
newRequest.Reregistering += OnReregister;
newRequest.ObserveRelation = this;
newRequest.Send(_endpoint);
Request = newRequest;
}