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Support rpc protobuf message factory interface
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| Original file line number | Diff line number | Diff line change |
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| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you 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. | ||
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| #include "brpc/rpc_pb_message_factory.h" | ||
| #include "butil/object_pool.h" | ||
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| namespace brpc { | ||
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| struct DefaultRpcPBMessages : public RpcPBMessages { | ||
| DefaultRpcPBMessages() : request(NULL), response(NULL) {} | ||
| ::google::protobuf::Message* Request() override { return request; } | ||
| ::google::protobuf::Message* Response() override { return response; } | ||
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| ::google::protobuf::Message* request; | ||
| ::google::protobuf::Message* response; | ||
| }; | ||
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| class DefaultRpcPBMessageFactory : public RpcPBMessageFactory { | ||
| public: | ||
| RpcPBMessages* Get(const ::google::protobuf::Service& service, | ||
| const ::google::protobuf::MethodDescriptor& method) override { | ||
| auto messages = butil::get_object<DefaultRpcPBMessages>(); | ||
| messages->request = service.GetRequestPrototype(&method).New(); | ||
| messages->response = service.GetResponsePrototype(&method).New(); | ||
| return messages; | ||
| } | ||
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| void Return(RpcPBMessages* messages) override { | ||
| auto default_messages = static_cast<DefaultRpcPBMessages*>(messages); | ||
| delete default_messages->request; | ||
| delete default_messages->response; | ||
| default_messages->request = NULL; | ||
| default_messages->response = NULL; | ||
| butil::return_object(default_messages); | ||
| } | ||
| }; | ||
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| RpcPBMessageFactory* GetDefaultRpcPBMessageFactory() { | ||
| static DefaultRpcPBMessageFactory factory; | ||
| return &factory; | ||
| } | ||
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| } // namespace brpc |
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| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you 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. | ||
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| #ifndef BRPC_RPC_PB_MESSAGE_FACTORY_H | ||
| #define BRPC_RPC_PB_MESSAGE_FACTORY_H | ||
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| #include <google/protobuf/service.h> | ||
| #include <google/protobuf/descriptor.h> | ||
| #include <google/protobuf/message.h> | ||
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| namespace brpc { | ||
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| // Inherit this class to customize rpc protobuf messages, | ||
| // include request and response. | ||
| class RpcPBMessages { | ||
| public: | ||
| virtual ~RpcPBMessages() = default; | ||
| virtual google::protobuf::Message* Request() = 0; | ||
| virtual google::protobuf::Message* Response() = 0; | ||
| }; | ||
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| // Factory to manage `RpcPBMessages'. | ||
| class RpcPBMessageFactory { | ||
| public: | ||
| virtual ~RpcPBMessageFactory() = default; | ||
| virtual RpcPBMessages* Get(const ::google::protobuf::Service& service, | ||
| const ::google::protobuf::MethodDescriptor& method) = 0; | ||
| virtual void Return(RpcPBMessages* protobuf_message) = 0; | ||
| }; | ||
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| // Get the `RpcPBMessageFactory' used by `Server'. | ||
| RpcPBMessageFactory* GetDefaultRpcPBMessageFactory(); | ||
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| } // namespace brpc | ||
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| #endif //BRPC_RPC_PB_MESSAGE_FACTORY_H |
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