mirror of https://gitee.com/bigwinds/arangodb
89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2019 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS 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 Simon Grätzer
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_GENERAL_SERVER_IO_CONTEXT_H
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#define ARANGOD_GENERAL_SERVER_IO_CONTEXT_H 1
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#include "Basics/Common.h"
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#include "Basics/Thread.h"
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#include "Basics/asio_ns.h"
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namespace arangodb {
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namespace application_features {
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class ApplicationServer;
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}
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namespace rest {
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class IoContext {
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friend class IoThread;
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private:
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class IoThread final : public Thread {
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public:
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explicit IoThread(application_features::ApplicationServer&, IoContext&);
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explicit IoThread(IoThread const&);
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~IoThread();
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void run() override;
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private:
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IoContext& _iocontext;
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};
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public:
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asio_ns::io_context io_context;
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private:
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application_features::ApplicationServer& _server;
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IoThread _thread;
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asio_ns::io_context::work _asioWork;
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std::atomic<unsigned> _clients;
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public:
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explicit IoContext(application_features::ApplicationServer&);
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explicit IoContext(IoContext const&);
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~IoContext();
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int clients() const noexcept {
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return _clients.load(std::memory_order_acquire);
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}
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void incClients() noexcept {
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_clients.fetch_add(1, std::memory_order_release);
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}
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void decClients() noexcept {
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_clients.fetch_sub(1, std::memory_order_release);
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}
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void start();
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void stop();
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bool runningInThisThread() const { return _thread.runningInThisThread(); }
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};
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} // namespace rest
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} // namespace arangodb
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#endif
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