64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#ifndef BRPC_JSON_LOADER_H
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#define BRPC_JSON_LOADER_H
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#include <string>
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#include <deque>
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#include <google/protobuf/message.h>
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#include <google/protobuf/compiler/importer.h>
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#include <google/protobuf/dynamic_message.h>
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#include <butil/iobuf.h>
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namespace brpc {
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// This utility loads pb messages in json format from a file or string.
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class JsonLoader {
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public:
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JsonLoader(google::protobuf::compiler::Importer* importer,
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google::protobuf::DynamicMessageFactory* factory,
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const std::string& service_name,
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const std::string& method_name);
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~JsonLoader() {}
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// TODO(gejun): messages should be lazily loaded.
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// Load jsons from fd or string, convert them into pb messages, then insert
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// them into `out_msgs'.
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void load_messages(int fd, std::deque<google::protobuf::Message*>* out_msgs);
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void load_messages(const std::string& jsons,
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std::deque<google::protobuf::Message*>* out_msgs);
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private:
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class Reader;
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void load_messages(
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JsonLoader::Reader* ctx,
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std::deque<google::protobuf::Message*>* out_msgs);
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google::protobuf::compiler::Importer* _importer;
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google::protobuf::DynamicMessageFactory* _factory;
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std::string _service_name;
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std::string _method_name;
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const google::protobuf::Message* _request_prototype;
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};
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} // namespace brpc
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#endif // BRPC_JSON_LOADER_H
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