mine_server/server/module_service/module_screen.cpp

#include <string.h>
#include "db/db_tool.h"
#include "module_screen.h"
#include "log.h"
#include "common.h"
#include <chrono>

/*
 * @brief   更新大屏内显示所需人员id，区域id，部门id，电池电量状态等数据
 * @param   卡数据
 * @return  无
 * @note
 * @warning
 * @bug
 *
 * */
void module_screen::do_write(const std::map<uint64_t, sys::_CARD_POS_> card_pos_list)
{
    std::string p_stat = "";
    char item[200] = { 0 };
    for(auto it : card_pos_list)
    {
        memset(item, 0, 200*sizeof(char));
        // 电量状态0表示正常，1表示电量不足, 
        snprintf(item, 200, "%d,%d,%d,%d,%d,%d;",it.second.ID, it.second.area_id, it.second.dept_id, (it.second.battery_stat), it.second.biz_stat, it.second.level_id);
        p_stat += std::string(item);
    }

    if(p_stat == ""){
        return;
    }
    log_info("[screen] stat info=%s", p_stat.c_str());
    char sql[4096] = {0};
    snprintf(sql, 4096, "update rt_screen_msg set person_stat='%s' where id=1;", p_stat.c_str());
    log_info("[screen] sql=%s", sql);
    db_tool::PushAsync(sql);
}

void module_screen::start()
{
    m_exited = false;
    m_thread.reset(new std::thread(std::bind(&module_screen::run, this)));
    m_thread->detach();
}

void module_screen::run()
{
    while(!m_exited){
        do_wellhead();
        std::this_thread::sleep_for(std::chrono::seconds(1));
    }
}

/*
 * @brief       更新井口人员数据,并更新电量低人员：小于等于30%
 * @param       无
 * @return      无
 * @note        
 * @warning     
 * @bug         
 *
 * */
void module_screen::do_wellhead()
{
    std::lock_guard<std::mutex> lg(m_mtx);

    if(m_card_list.size() <= 0){
        return;
    }

    std::string sid = "";
    char buf[12] = {0};
    for(auto it = m_card_list.begin(); it != m_card_list.end();){
        if(time(NULL) - it->second.m_recv_time < 120){
            snprintf(buf, 12, "%ld,%d;", it->first, it->second.m_battery);
            sid += std::string(buf);
            it++;
        }else{
            m_card_list.erase(it++);
        }
    }

    char sql[4096] = {0};
    snprintf(sql, 4096, "update rt_screen_msg set wellhead_stat='%s' where id=1;", sid.c_str());
    log_info("[screen] sql=%s", sql);
    db_tool::PushAsync(sql);
}