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72 lines
2.4 KiB
C++
72 lines
2.4 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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#ifndef FAIR_MQ_SHMEM_UNMANAGEDREGION_H_
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#define FAIR_MQ_SHMEM_UNMANAGEDREGION_H_
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#include "Manager.h"
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#include <FairMQUnmanagedRegion.h>
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#include <FairMQLogger.h>
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#include <boost/interprocess/shared_memory_object.hpp>
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#include <boost/interprocess/mapped_region.hpp>
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#include <cstddef> // size_t
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#include <string>
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namespace fair::mq::shmem
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{
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class Message;
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class Socket;
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class UnmanagedRegion final : public fair::mq::UnmanagedRegion
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{
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friend class Message;
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friend class Socket;
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public:
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UnmanagedRegion(Manager& manager,
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const size_t size,
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const int64_t userFlags,
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RegionCallback callback,
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RegionBulkCallback bulkCallback,
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const std::string& path = "",
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int flags = 0,
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FairMQTransportFactory* factory = nullptr)
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: FairMQUnmanagedRegion(factory)
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, fManager(manager)
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, fRegion(nullptr)
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, fRegionId(0)
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{
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auto result = fManager.CreateRegion(size, userFlags, callback, bulkCallback, path, flags);
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fRegion = result.first;
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fRegionId = result.second;
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}
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void* GetData() const override { return fRegion->get_address(); }
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size_t GetSize() const override { return fRegion->get_size(); }
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uint16_t GetId() const override { return fRegionId; }
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void SetLinger(uint32_t linger) override { fManager.GetRegion(fRegionId)->SetLinger(linger); }
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uint32_t GetLinger() const override { return fManager.GetRegion(fRegionId)->GetLinger(); }
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Transport GetType() const override { return fair::mq::Transport::SHM; }
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~UnmanagedRegion() override { fManager.RemoveRegion(fRegionId); }
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private:
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Manager& fManager;
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boost::interprocess::mapped_region* fRegion;
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uint16_t fRegionId;
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};
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} // namespace fair::mq::shmem
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#endif /* FAIR_MQ_SHMEM_UNMANAGEDREGION_H_ */
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