Method Cancel

library/cpp/neh/tcp2.cpp:362–372

                    }

                    void Cancel() noexcept override {
                        if (TSimpleHandle::Canceled()) {
                            return;
                        }

                        TRequestRef req = GetRequest();
                        if (!!req) {
                            req->Cancel();
                            TSimpleHandle::Cancel();
                        }
                    }

                    void NotifyResponse(const TString& resp) {
                        TNotifyHandle::NotifyResponse(resp);