Method GetFreePort

library/cpp/testing/common/network.cpp:133–153

        }

        NTesting::TPortHolder GetFreePort() const {
            ui16 salt = RandomNumber<ui16>();
            for (ui16 attempt = 0; attempt < TotalCount_; ++attempt) {
                ui16 probe = (salt + attempt) % TotalCount_;
                for (auto [left, right] : Ranges_) {
                    if (probe >= right - left)
                        probe -= right - left;
                    else {
                        probe += left;
                        break;
                    }
                }

                auto port = TryAcquirePort(probe);
                if (port) {
                    return NTesting::TPortHolder{std::move(port)};
                }
            }

            Y_ABORT("Cannot get free port!");
        }

        TVector<NTesting::TPortHolder> GetFreePortsRange(size_t count) const {
            Y_ABORT_UNLESS(count > 0);