Method InitFromEnv

library/cpp/testing/common/network.cpp:114–131

        }

        void InitFromEnv() {
            SyncDir_ = TFsPath(GetEnv("PORT_SYNC_PATH"));
            if (!SyncDir_.IsDefined()) {
                SyncDir_ = TFsPath(GetSystemTempDir()) / "testing_port_locks";
            }
            Y_ABORT_UNLESS(SyncDir_.IsDefined());
            NFs::MakeDirectoryRecursive(SyncDir_);
            Chmod(SyncDir_.c_str(), NFs::FP_COMMON_FILE); // override umask

            Ranges_ = GetPortRanges();
            TotalCount_ = 0;
            for (auto [left, right] : Ranges_) {
                TotalCount_ += right - left;
            }
            Y_ABORT_UNLESS(0 != TotalCount_);

            DisableRandomPorts_ = !GetEnv("NO_RANDOM_PORTS").empty();
        }

        NTesting::TPortHolder GetFreePort() const {
            ui16 salt = RandomNumber<ui16>();