PhotonWire.Client.ObservablePhotonPeer.EstablishEncryptionAsync C# (CSharp) Method

        public virtual IObservable<bool> EstablishEncryptionAsync()
        {
            ValidateDisposed();

            var future = new AsyncSubject<bool>();
            var watchStatusChanged = new SingleAssignmentDisposable();
            watchStatusChanged.Disposable = this.ObserveStatusChanged().Subscribe(x =>
            {
                if (x == StatusCode.EncryptionFailedToEstablish)
                {
                    watchStatusChanged.Dispose();
                    future.OnError(new EncryptionFailedToEstablishException());
                }

                if (x == StatusCode.EncryptionEstablished)
                {
                    watchStatusChanged.Dispose();

                    future.OnNext(true);
                    future.OnCompleted();
                }
            });

            if (this.EstablishEncryption())
            {
                return future.Timeout(Timeout).Catch((Exception ex) =>
                {
                    watchStatusChanged.Dispose();
                    this.Disconnect();
                    return Observable.Throw<bool>(ex);
                });
            }
            else
            {
                watchStatusChanged.Dispose();
                return Observable.Return(false);
            }
        }