Common interface for callback handlers that establish a server side control presence for the client ISession.
public interface IServerHandler
Called if the handler is closed. The handler will be closed if the session is closed after the handler has been registered, or if the handler is unregistered using CloseAsync().
No further calls will be made for the handler.
Notification of a contextual error related to this handler. This is
analogous to an unchecked exception being raised. Situations in which
onError is called include the session being closed before the
handler is registered, a communication timeout, or a problem with the
provided parameters. No further calls will be made to this handler.
void OnError(ErrorReason errorReason)
a value representing the error; this can be one of constants defined in ErrorReason, or a feature-specific reason
Called when the handler has been successfully registered with the server.
A session can register at most one a single handler of each type. If
there is already a handler registered the operation will fail,
registeredHandler will be closed, and the session error handler
will be notified. To change the handler, first
CloseAsync() the previous handler.
void OnRegistered(IRegistration registration)
reference that allows the handler to be closed