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84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
/********************************************************************************
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* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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/**
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* FairMQShmManager.h
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*
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* @since 2016-04-08
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* @author A. Rybalchenko
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*/
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#ifndef FAIR_MQ_SHMEM_MANAGER_H_
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#define FAIR_MQ_SHMEM_MANAGER_H_
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#include "FairMQLogger.h"
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#include "FairMQMessage.h"
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#include "fairmq/Tools.h"
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#include "Region.h"
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#include "Common.h"
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#include <boost/interprocess/managed_shared_memory.hpp>
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#include <boost/interprocess/ipc/message_queue.hpp>
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#include <thread>
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#include <queue>
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#include <string>
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#include <vector>
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#include <functional>
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#include <unordered_map>
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#include <mutex>
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#include <condition_variable>
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namespace fair
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{
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namespace mq
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{
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namespace shmem
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{
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class Manager
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{
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friend class Region;
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public:
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Manager(const std::string& name, size_t size);
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Manager() = delete;
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Manager(const Manager&) = delete;
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Manager operator=(const Manager&) = delete;
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boost::interprocess::managed_shared_memory& Segment();
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void Interrupt();
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void Resume();
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boost::interprocess::mapped_region* CreateRegion(const size_t size, const uint64_t id, FairMQRegionCallback callback);
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boost::interprocess::mapped_region* GetRemoteRegion(const uint64_t id);
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void RemoveRegion(const uint64_t id);
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boost::interprocess::message_queue* GetRegionQueue(const uint64_t id);
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void RemoveSegment();
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boost::interprocess::managed_shared_memory& ManagementSegment();
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private:
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std::string fSessionName;
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std::string fSegmentName;
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std::string fManagementSegmentName;
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boost::interprocess::managed_shared_memory fSegment;
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boost::interprocess::managed_shared_memory fManagementSegment;
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std::unordered_map<uint64_t, Region> fRegions;
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};
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} // namespace shmem
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} // namespace mq
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} // namespace fair
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#endif /* FAIR_MQ_SHMEM_MANAGER_H_ */
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