mirror of
https://github.com/FairRootGroup/FairMQ.git
synced 2025-10-13 00:31:14 +00:00
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/********************************************************************************
|
|
* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
|
|
* *
|
|
* This software is distributed under the terms of the *
|
|
* GNU Lesser General Public Licence (LGPL) version 3, *
|
|
* copied verbatim in the file "LICENSE" *
|
|
********************************************************************************/
|
|
/**
|
|
* FairMQShmManager.h
|
|
*
|
|
* @since 2016-04-08
|
|
* @author A. Rybalchenko
|
|
*/
|
|
|
|
#ifndef FAIR_MQ_SHMEM_REGION_H_
|
|
#define FAIR_MQ_SHMEM_REGION_H_
|
|
|
|
#include "FairMQLogger.h"
|
|
#include "FairMQUnmanagedRegion.h"
|
|
|
|
#include <fairmq/Tools.h>
|
|
#include <fairmq/shmem/Common.h>
|
|
|
|
#include <boost/interprocess/managed_shared_memory.hpp>
|
|
#include <boost/interprocess/file_mapping.hpp>
|
|
#include <boost/interprocess/ipc/message_queue.hpp>
|
|
|
|
#include <thread>
|
|
#include <mutex>
|
|
#include <condition_variable>
|
|
#include <unordered_map>
|
|
|
|
namespace fair
|
|
{
|
|
namespace mq
|
|
{
|
|
namespace shmem
|
|
{
|
|
|
|
class Manager;
|
|
|
|
struct Region
|
|
{
|
|
Region(Manager& manager, uint64_t id, uint64_t size, bool remote, FairMQRegionCallback callback = nullptr, const std::string& path = "", int flags = 0);
|
|
|
|
Region() = delete;
|
|
|
|
Region(const Region&) = default;
|
|
Region(Region&&) = default;
|
|
|
|
void InitializeQueues();
|
|
|
|
void StartReceivingAcks();
|
|
void ReceiveAcks();
|
|
|
|
void ReleaseBlock(const RegionBlock &);
|
|
void SendAcks();
|
|
|
|
~Region();
|
|
|
|
Manager& fManager;
|
|
bool fRemote;
|
|
bool fStop;
|
|
std::string fName;
|
|
std::string fQueueName;
|
|
boost::interprocess::shared_memory_object fShmemObject;
|
|
FILE* fFile;
|
|
boost::interprocess::file_mapping fFileMapping;
|
|
boost::interprocess::mapped_region fRegion;
|
|
|
|
std::mutex fBlockLock;
|
|
std::condition_variable fBlockSendCV;
|
|
std::vector<RegionBlock> fBlocksToFree;
|
|
const std::size_t fAckBunchSize = 256;
|
|
std::unique_ptr<boost::interprocess::message_queue> fQueue;
|
|
|
|
std::thread fReceiveAcksWorker;
|
|
std::thread fSendAcksWorker;
|
|
FairMQRegionCallback fCallback;
|
|
};
|
|
|
|
} // namespace shmem
|
|
} // namespace mq
|
|
} // namespace fair
|
|
|
|
#endif /* FAIR_MQ_SHMEM_REGION_H_ */
|