198 lines
6.6 KiB
Plaintext
198 lines
6.6 KiB
Plaintext
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#include <eqpalg/gb_item_memory.h>
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#include <eqpalg/table_struct/t_rule_cfg.h>
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// #include <eqpalg/utility/RandT.h> /*测试用*/
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#include "mix_cc/exception.h"
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#include <chrono>
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#include <mix_cc/sql.h>
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#include <mix_cc/sql/database/db2_t.h>
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#include <mutex>
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#include <thread>
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#include <tuple>
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#include <vector>
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namespace {
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// std::mutex local_mutext{};
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// mutable std::shared_mutex local_mutext;
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// std::unordered_map<std::string, double> map_data{};
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// std::unordered_map<std::string, RuleStat> map_rule_stat{};
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} // namespace
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// 初始化静态成员变量单例
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// 在类外定义并初始化静态成员变量（必须）
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int GlobaltemSharedMemory::instanceCount = 0;
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int GlobaltemSharedMemory::get_instanceCount() { return instanceCount; }
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GlobaltemSharedMemory::GlobaltemSharedMemory() {
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++instanceCount;
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logger_ = std::make_unique<LOG>("GlobaltemSharedMemory");
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logger_->Debug() << "GlobaltemSharedMemory::GlobaltemSharedMemory()" << endl;
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}
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// 获取指定tag点数据
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double GlobaltemSharedMemory::operator[](std::string tag_name) {
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// 获取数据前会对map加锁，防止出现map更新一半的情况，这样会出现新值旧值互相交替
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// std::lock_guard<std::mutex> guard(local_mutext);
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std::shared_lock<std::shared_mutex> lock(local_mutext);
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return map_data[tag_name];
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}
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// 检查tag点是否存在
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// bool find_tag(std::string tag_name) {
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// // std::lock_guard<std::mutex> guard(local_mutext);
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// std::shared_lock<std::shared_mutex> lock(local_mutext);
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// return (map_data.find(tag_name) != map_data.end());
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// }
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// 从共享内存缓存数据到该程序的map中
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int GlobaltemSharedMemory::cache_data() {
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try {
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// 增加全局锁，防止map更新出错
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// std::lock_guard<std::mutex> guard(local_mutext);
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std::unique_lock<std::shared_mutex> lock(local_mutext);
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// 为共享内存中的数据添加机组号前缀
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const auto prefix = string(CMemVar::Const()->UnitNo) + "_";
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for (int i = CMemVar::Const()->event_eis_start;
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i <= CMemVar::Const()->event_eis_end; i++) {
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if (true) {
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// if ((i != 2012)) {
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// CMemTable<PLC_DATA> tele(std::to_string(i));
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// binary_tele.ReBuild(i, *tele());
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// logger_->Debug() << "eventNo:" << i << std::endl;
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if (m_mapfix.find(i) == m_mapfix.end()) {
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m_mapfix.insert(
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make_pair(i, new CMemFix<PLC_DATA>(std::to_string(i))));
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}
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// if (i == 2001) {
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// logger_->Debug() << "m_getnext:" << m_mapfix[i]->get_next() <<
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// endl;
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// }
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// PLC_DATA* pdata = m_mapfix[i]->getNext();
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PLC_DATA *pdata = m_mapfix[i]->getCur();
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// logger_->Debug()<<"CurIndex:"<<m_mapfix[i]->index_cur()<<",size:"<<m_mapfix[i]->size()<<endl;
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if (pdata == nullptr) {
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return -1 * i;
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}
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binary_tele.ReBuild(i, (char *)(pdata));
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// binary_tele.Print();
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const auto size = binary_tele.size();
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for (int j = 0; j < size; j++) {
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float value = binary_tele[j];
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// std::string item_name = binary_tele[j].item;
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std::string name_without_plant_code = binary_tele[j].item;
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// 添加前缀
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auto item_name = prefix + name_without_plant_code;
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map_data[item_name] = value;
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//无前缀
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// map_data[name_without_plant_code] = value;
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}
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}
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}
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} catch (const std::exception &e) {
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std::throw_with_nested(
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mix_cc::Exception(-1, "shared mem load error", BOOST_CURRENT_LOCATION));
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}
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return 0;
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}
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/**
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* @brief 读取memcache至共享内存 -----弃用
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* @param Jkey My Param doc
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* @return int
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*/
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// int GlobaltemSharedMemory::memcache_data(std::string Jkey) {
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// // LOG log("memcache_data() ");
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// try {
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// // 增加全局锁，防止map更新出错
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// auto CS_itemtag = m_memclient_.Get(Jkey.c_str()); ///<指定key的数据
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// auto js1 = mix_cc::json::parse(CS_itemtag);
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// std::lock_guard<std::mutex> guard(local_mutext);
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// // 为共享内存中的数据添加机组号前缀
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// const auto prefix = string(CMemVar::Const()->UnitNo) + "_";
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// for (int i = 2012; i <= 2012; i++) {
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// CMemTable<PLC_DATA> tele(std::to_string(i), 1);
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// binary_tele.ReBuild(i, *tele());
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// const auto size = binary_tele.size();
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// for (int j = 0; j < size; j++) {
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// // 添加前缀
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// std::string name_without_plant_code = binary_tele[j].item;
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// auto item_name = prefix + name_without_plant_code;
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// map_data[item_name] =
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// std::stod(js1[name_without_plant_code].get<string>());
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// }
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// }
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// } catch (const std::exception& e) {
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// std::throw_with_nested(
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// mix_cc::Exception(-1, "memcache_data() error",
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// BOOST_CURRENT_LOCATION));
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// }
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// return 0;
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// }
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// int GlobaltemSharedMemory::memcache_data(int eventno) {
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// try {
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// std::lock_guard<std::mutex> guard(local_mutext);
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// // 为共享内存中的数据添加机组号前缀
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// const auto prefix = string(CMemVar::Const()->UnitNo) + "_";
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// CMemTable<PLC_DATA> tele(std::to_string(eventno), 1);
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// binary_tele.ReBuild(eventno, *tele());
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// const auto size = binary_tele.size();
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// for (int j = 0; j < size; j++) {
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// // 添加前缀
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// std::string name_without_plant_code = binary_tele[j].item;
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// auto item_name = prefix + name_without_plant_code;
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// // log.Info() << "item_name:" << item_name << endl;
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// map_data[item_name] = RandT::GuassRand(5, 20);
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// }
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// } catch (const std::exception& e) {
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// std::throw_with_nested(
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// mix_cc::Exception(-1, "memcache_data() error",
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// BOOST_CURRENT_LOCATION));
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// }
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// return 0;
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// }
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std::string GlobaltemSharedMemory::get_data_json() {
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// std::shared_lock<std::shared_mutex> lock(local_mutext);
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mix_cc::json js1;
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try {
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if (!map_data.empty()) {
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js1 = map_data;
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return js1.dump();
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} else {
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return "empty";
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}
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} catch (std::exception &e) {
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return "ERROR";
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}
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}
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// std::string GlobaltemSharedMemory::get_rule_stat_json() {
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// mix_cc::json js1;
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// try {
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// mix_cc::json js1;
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// if (!map_rule_stat.empty()) {
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// for (auto item : map_rule_stat) {
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// js1[item.first] = item.second.invert2json();
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// }
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// } else {
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// return "empty";
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// }
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// return js1.dump();
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// } catch (std::exception& e) {
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// return "ERROR";
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// }
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// }
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// bool GlobaltemSharedMemory::insert_stat_data(std::string ruleid,
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// RuleStat& rule_stat) {
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// map_rule_stat[ruleid] = rule_stat;
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// return true;
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// }
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