mirror of
https://github.com/FairRootGroup/FairMQ.git
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77 lines
2.3 KiB
C++
77 lines
2.3 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_MESSAGE_H_
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#define FAIR_MQ_SHMEM_MESSAGE_H_
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#include "Common.h"
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#include "Manager.h"
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#include <FairMQMessage.h>
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#include <FairMQUnmanagedRegion.h>
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#include <boost/interprocess/mapped_region.hpp>
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#include <cstddef> // size_t
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#include <atomic>
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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 Socket;
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class Message final : public fair::mq::Message
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{
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friend class Socket;
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public:
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Message(Manager& manager, FairMQTransportFactory* factory = nullptr);
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Message(Manager& manager, const size_t size, FairMQTransportFactory* factory = nullptr);
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Message(Manager& manager, void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr, FairMQTransportFactory* factory = nullptr);
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Message(Manager& manager, UnmanagedRegionPtr& region, void* data, const size_t size, void* hint = 0, FairMQTransportFactory* factory = nullptr);
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Message(Manager& manager, MetaHeader& hdr, FairMQTransportFactory* factory = nullptr);
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Message(const Message&) = delete;
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Message operator=(const Message&) = delete;
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void Rebuild() override;
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void Rebuild(const size_t size) override;
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void Rebuild(void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr) override;
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void* GetData() const override;
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size_t GetSize() const override { return fMeta.fSize; }
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bool SetUsedSize(const size_t size) override;
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Transport GetType() const override { return fair::mq::Transport::SHM; }
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void Copy(const fair::mq::Message& msg) override;
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~Message() override;
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private:
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Manager& fManager;
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bool fQueued;
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MetaHeader fMeta;
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mutable Region* fRegionPtr;
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mutable char* fLocalPtr;
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bool InitializeChunk(const size_t size);
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void CloseMessage();
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};
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}
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}
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}
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#endif /* FAIR_MQ_SHMEM_MESSAGE_H_ */
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