Method DoAction

cpp/src/arrow/flight/flight_test.cc:394–399

class TlsTestServer : public FlightServerBase {
  Status DoAction(const ServerCallContext& context, const Action& action,
                  std::unique_ptr<ResultStream>* result) override {
    auto buf = Buffer::FromString("Hello, world!");
    *result = std::make_unique<SimpleResultStream>(std::vector<Result>{Result{buf}});
    return Status::OK();
  }
};

class HeaderAuthTestServer : public FlightServerBase {