mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.7 KiB
76 lines
2.7 KiB
/* |
|
* |
|
* 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
|
|
|