60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
/*
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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_RPC_HANDLER_INTERFACE_H_H
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#define CARTOGRAPHER_GRPC_FRAMEWORK_RPC_HANDLER_INTERFACE_H_H
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#include "cartographer_grpc/framework/execution_context.h"
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#include "google/protobuf/message.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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class Rpc;
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class RpcHandlerInterface {
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public:
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virtual ~RpcHandlerInterface() = default;
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// Returns the fully qualified name of the gRPC method this handler is
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// implementing. The fully qualified name has the structure
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// '/<<full service name>>/<<method name>>', where the service name is the
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// fully qualified proto package name of the service and method name the name
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// of the method as defined in the service definition of the proto.
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virtual std::string method_name() const = 0;
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virtual void SetExecutionContext(ExecutionContext* execution_context) = 0;
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virtual void SetRpc(Rpc* rpc) = 0;
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virtual void OnRequestInternal(
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const ::google::protobuf::Message* request) = 0;
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virtual void OnReadsDone(){};
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virtual void OnFinish(){};
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};
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using RpcHandlerFactory = std::function<std::unique_ptr<RpcHandlerInterface>(
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Rpc*, ExecutionContext*)>;
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struct RpcHandlerInfo {
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const google::protobuf::Descriptor* request_descriptor;
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const google::protobuf::Descriptor* response_descriptor;
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const RpcHandlerFactory rpc_handler_factory;
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const grpc::internal::RpcMethod::RpcType rpc_type;
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const std::string fully_qualified_name;
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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_RPC_HANDLER_INTERFACE_H_H
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