39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
#pragma once
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#include <mix_cc/shm.h>
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namespace EqpmShm {
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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 = "EqpmRecord"; ///<映射文件名
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const double data_size = 500; ///< 数据大小 MB
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static bipc::managed_mapped_file obj_mapped_file(
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bipc::open_or_create, (dir_path + "/" + shm_file + "_boost.mmap").c_str(),
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mix_cc::data_size::MB(data_size));
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/**
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* @brief 每日的长度、重量
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*/
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struct EqpmRecord {
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double weight;
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double length;
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};
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/**
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* @brief 记录的开始时间，结束时间
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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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};
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/*单例 map 记录每天的重量 长度*/
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const static bipc::offset_ptr<SHM::Map<int, EqpmRecord>> EqpmRecordPtr =
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SHM::MapBuilder<int, EqpmRecord>::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 EqpmShm
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