53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
#pragma once
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/**
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* @file TaskData.h
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* @brief task进程，缓存数据
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* @author your name (you@domain.com)
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* @version 0.1
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* @date 2024-02-27
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*
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* Copyright: Baosight Co. Ltd.
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* DO NOT COPY/USE WITHOUT PERMISSION
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*
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*/
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#include <mix_cc/shm.h>
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namespace TaskShm {
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namespace SHM = mix_cc::shm;
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namespace bipc = mix_cc::shm::bip;
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const static std::string dir_path = "/users/dsc/shm";
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const static std::string shm_file = "TaskData"; ///<映射文件名
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const double data_size = 500*10; ///< 数据大小 MB
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const size_t MAX_LEN_DAYS = 30; ///<最多可放30天的数据
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const size_t DATA_COL_FRE = 50; ///<每秒采集数据点数
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static bipc::managed_mapped_file
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obj_mapped_file(bipc::open_or_create,
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(dir_path + "/" + shm_file + "_boost.mmap").c_str(),
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mix_cc::data_size::MB(data_size));
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struct DataRecord {
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float data_record[MAX_LEN_DAYS * 24 * 60 * 60 * DATA_COL_FRE];
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};
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/**
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* @brief 记录的开始时间，结束时间,数据长度
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*/
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struct TimeRecord {
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int stime;
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int etime;
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size_t data_size; ///<数据长度
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};
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/*单例 map 记录task数据项*/
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const static bipc::offset_ptr<SHM::Map<int, DataRecord>> TaskRecordPtr =
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SHM::MapBuilder<int, DataRecord>::find_or_construct(&obj_mapped_file,
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shm_file);
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/*单例 TimeRecord 保持 记录的起止时间*/
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// const static bipc::offset_ptr<SHM::Map<int, TimeRecord>> TimeRecordPtr =
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// SHM::MapBuilder<int, TimeRecord>::find_or_construct(&obj_mapped_file,
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// shm_file);
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/*单例 TimeRecord 保持 记录的起止时间*/
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// const static bipc::offset_ptr<TimeRecord> TimeRecordPtr =
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// obj_mapped_file.find_or_construct<TimeRecord>("TimeRecord")();
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} // namespace TaskShm
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