| /* |
| * |
| * Copyright 2017 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #ifndef GRPCPP_SUPPORT_ERROR_DETAILS_H |
| #define GRPCPP_SUPPORT_ERROR_DETAILS_H |
| |
| #include <grpcpp/support/status.h> |
| |
| namespace grpc { |
| |
| /// Map a \a grpc::Status to a \a google::rpc::Status. |
| /// The given \a to object will be cleared. |
| /// On success, returns status with OK. |
| /// Returns status with \a INVALID_ARGUMENT, if failed to deserialize. |
| /// Returns status with \a FAILED_PRECONDITION, if \a to is nullptr. |
| /// |
| /// \note |
| /// This function is a template to avoid a build dep on \a status.proto. |
| /// However, this function still requires that \tparam T is of type |
| /// \a google::rpc::Status, which is defined at |
| /// https://github.com/googleapis/googleapis/blob/master/google/rpc/status.proto |
| template <typename T> |
| grpc::Status ExtractErrorDetails(const grpc::Status& from, T* to) { |
| if (to == nullptr) { |
| return grpc::Status(grpc::StatusCode::FAILED_PRECONDITION, ""); |
| } |
| if (!to->ParseFromString(from.error_details())) { |
| return grpc::Status(grpc::StatusCode::INVALID_ARGUMENT, ""); |
| } |
| return grpc::Status::OK; |
| } |
| inline grpc::Status ExtractErrorDetails(const grpc::Status&, std::nullptr_t) { |
| return grpc::Status(grpc::StatusCode::FAILED_PRECONDITION, ""); |
| } |
| |
| /// Map \a google::rpc::Status to a \a grpc::Status. |
| /// Returns OK on success. |
| /// Returns status with \a FAILED_PRECONDITION if \a to is nullptr. |
| /// |
| /// \note |
| /// This function is a template to avoid a build dep on \a status.proto. |
| /// However, this function still requires that \tparam T is of type |
| /// \a google::rpc::Status, which is defined at |
| /// https://github.com/googleapis/googleapis/blob/master/google/rpc/status.proto |
| template <typename T> |
| grpc::Status SetErrorDetails(const T& from, grpc::Status* to) { |
| if (to == nullptr) { |
| return grpc::Status(grpc::StatusCode::FAILED_PRECONDITION, ""); |
| } |
| grpc::StatusCode code = grpc::StatusCode::UNKNOWN; |
| if (from.code() >= grpc::StatusCode::OK && |
| from.code() <= grpc::StatusCode::UNAUTHENTICATED) { |
| code = static_cast<grpc::StatusCode>(from.code()); |
| } |
| *to = grpc::Status(code, from.message(), from.SerializeAsString()); |
| return grpc::Status::OK; |
| } |
| |
| } // namespace grpc |
| |
| #endif // GRPCPP_SUPPORT_ERROR_DETAILS_H |