mirror of https://gitee.com/bigwinds/arangodb
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2016 ArangoDB GmbH, Cologne, Germany
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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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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_HTTP_SERVER_REST_ENGINE_H
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#define ARANGOD_HTTP_SERVER_REST_ENGINE_H 1
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#include "Basics/Common.h"
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#include "GeneralServer/RestStatus.h"
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#include "Scheduler/EventLoop.h"
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namespace arangodb {
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class RestEngine;
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namespace rest {
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class RequestStatisticsAgent;
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class RestHandler;
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}
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class RestEngine {
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public:
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enum class State { PREPARE, EXECUTE, RUN, FINALIZE, WAITING, DONE, FAILED };
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public:
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RestEngine() {}
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public:
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void init(EventLoop loop, rest::RequestStatisticsAgent* agent) {
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_loop = loop;
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_agent = agent;
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}
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int asyncRun(std::shared_ptr<rest::RestHandler>);
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int syncRun(std::shared_ptr<rest::RestHandler>);
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void setState(State state) { _state = state; }
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void appendRestStatus(std::shared_ptr<RestStatusElement>);
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void queue(std::function<void()> callback) {
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_loop._ioService->post(callback);
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}
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bool hasSteps() { return !_elements.empty(); }
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std::shared_ptr<RestStatusElement> popStep() {
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auto element = *_elements.rbegin();
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_elements.pop_back();
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return element;
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}
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private:
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int run(std::shared_ptr<rest::RestHandler>, bool synchronous);
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private:
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State _state = State::PREPARE;
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std::vector<std::shared_ptr<RestStatusElement>> _elements;
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EventLoop _loop;
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rest::RequestStatisticsAgent* _agent = nullptr;
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};
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}
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#endif
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