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67 lines
2.1 KiB
C++
67 lines
2.1 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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* FairMQMessageZMQ.h
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*
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* @since 2014-01-17
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* @author A. Rybalchenko
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*/
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#ifndef FAIRMQMESSAGEZMQ_H_
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#define FAIRMQMESSAGEZMQ_H_
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#include <cstddef>
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#include <string>
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#include <memory>
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#include <zmq.h>
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#include "FairMQMessage.h"
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#include "FairMQUnmanagedRegion.h"
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class FairMQTransportFactory;
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class FairMQSocketZMQ;
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class FairMQMessageZMQ final : public FairMQMessage
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{
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friend class FairMQSocketZMQ;
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public:
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FairMQMessageZMQ(FairMQTransportFactory* = nullptr);
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FairMQMessageZMQ(const size_t size, FairMQTransportFactory* = nullptr);
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FairMQMessageZMQ(void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr, FairMQTransportFactory* = nullptr);
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FairMQMessageZMQ(FairMQUnmanagedRegionPtr& region, void* data, const size_t size, void* hint = 0, FairMQTransportFactory* = nullptr);
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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;
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bool SetUsedSize(const size_t size) override;
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void ApplyUsedSize();
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fair::mq::Transport GetType() const override { return fair::mq::Transport::ZMQ; }
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void Copy(const FairMQMessage& msg) override;
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~FairMQMessageZMQ() override;
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private:
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bool fUsedSizeModified;
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size_t fUsedSize;
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std::unique_ptr<zmq_msg_t> fMsg;
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std::unique_ptr<zmq_msg_t> fViewMsg; // view on a subset of fMsg (treating it as user buffer)
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zmq_msg_t* GetMessage() const;
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void CloseMessage();
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};
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#endif /* FAIRMQMESSAGEZMQ_H_ */
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