sandboxed-api/sandboxed_api/proto_helper.h

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// Copyright 2019 Google LLC
//
// 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
//
// https://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.
// Utility functions for protobuf handling.
#ifndef SANDBOXED_API_PROTO_HELPER_H_
#define SANDBOXED_API_PROTO_HELPER_H_
#include <cinttypes>
#include <type_traits>
#include <vector>
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "sandboxed_api/proto_arg.pb.h"
#include "sandboxed_api/util/status_macros.h"
namespace sapi {
namespace internal {
absl::Status DeserializeProto(const char* data, size_t len,
google::protobuf::Message& output);
} // namespace internal
absl::StatusOr<std::vector<uint8_t>> SerializeProto(
const google::protobuf::Message& proto);
template <typename T>
absl::StatusOr<T> DeserializeProto(const char* data, size_t len) {
static_assert(std::is_base_of<google::protobuf::Message, T>::value,
"Template argument must be a proto message");
T result;
SAPI_RETURN_IF_ERROR(
internal::DeserializeProto(data, len, /*output=*/result));
return result;
}
} // namespace sapi
#endif // SANDBOXED_API_PROTO_HELPER_H_