70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
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/*
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* Copyright 2017 The Cartographer Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef CARTOGRAPHER_GRPC_FRAMEWORK_TYPES_H
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#define CARTOGRAPHER_GRPC_FRAMEWORK_TYPES_H
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#include <grpc++/grpc++.h>
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namespace cartographer_grpc {
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namespace framework {
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template <typename Request>
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class Stream {
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using type = Request;
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};
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template <template <typename> class, typename T>
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struct Strip {
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using type = T;
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};
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template <template <typename> class T, typename Param>
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struct Strip<T, T<Param>> {
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using type = Param;
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};
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template <typename T>
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using StripStream = typename Strip<Stream, T>::type;
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template <typename Incoming, typename Outgoing>
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struct RpcType
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: public std::integral_constant<grpc::internal::RpcMethod::RpcType,
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grpc::internal::RpcMethod::NORMAL_RPC> {};
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template <typename Incoming, typename Outgoing>
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struct RpcType<Stream<Incoming>, Outgoing>
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: public std::integral_constant<
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grpc::internal::RpcMethod::RpcType,
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grpc::internal::RpcMethod::CLIENT_STREAMING> {};
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template <typename Incoming, typename Outgoing>
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struct RpcType<Incoming, Stream<Outgoing>>
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: public std::integral_constant<
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grpc::internal::RpcMethod::RpcType,
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grpc::internal::RpcMethod::SERVER_STREAMING> {};
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template <typename Incoming, typename Outgoing>
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struct RpcType<Stream<Incoming>, Stream<Outgoing>>
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: public std::integral_constant<grpc::internal::RpcMethod::RpcType,
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grpc::internal::RpcMethod::BIDI_STREAMING> {
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};
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} // namespace framework
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} // namespace cartographer_grpc
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#endif // CARTOGRAPHER_GRPC_FRAMEWORK_TYPES_H
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