Method DoAction

cpp/src/arrow/flight/flight_test.cc:753–762

class ErrorMiddlewareServer : public FlightServerBase {
  Status DoAction(const ServerCallContext& context, const Action& action,
                  std::unique_ptr<ResultStream>* result) override {
    std::string msg = "error_message";
    auto buf = Buffer::FromString("");

    std::shared_ptr<FlightStatusDetail> flightStatusDetail(
        new FlightStatusDetail(FlightStatusCode::Failed, msg));
    *result = std::make_unique<SimpleResultStream>(std::vector<Result>{Result{buf}});
    return Status(StatusCode::ExecutionError, "test failed", flightStatusDetail);
  }
};

class PropagatingTestServer : public FlightServerBase {