server-l-zmg/module_service/module_area_over_person.h

#ifndef MODULE_AREA_OVER_PERSON_H
#define MODULE_AREA_OVER_PERSON_H


/**
  *@brief 区域超员模块：当某个区域人数超过指定值时开始告警，当低于指定值时停止告警
  *@author 戴月腾
  *@date 2018-08-26
*/

#include <string>
#include <memory>
#include <atomic>
#include <mutex>
#include <map>
#include "module_const.h"

/**
 * @brief 区域超员模块：当某个区域人数超过指定值时开始告警，当低于指定值时停止告警
 */
class module_area_over_person:public singleton_base<module_area_over_person>
{
private:
    friend class singleton_base<module_area_over_person>;
    module_area_over_person()
    {
    }

public:

    void on_enter(std::shared_ptr<card_location_base> card_ptr,std::shared_ptr<area_hover>&c)
    {
        auto area_ptr = c->m_area;
        if(area_ptr->m_limit_person_count <= area_ptr->m_person_count)//超员
        {
            auto ev_ptr = event_list::instance()->get(static_cast<uint32_t>(area_ptr->id()), ET_AREA_OVER_COUNT_PERSON);
            if(ev_ptr)
            {
                event_list::copy_event(card_ptr, ev_ptr);

                ev_ptr->m_limit_value=area_ptr->m_limit_person_count;
                ev_ptr->m_cur_value=area_ptr->m_person_count;
            }
            else//从没有告警状态转化为告警状态
            {
                auto ev_ptr = event_list::create_event_not_card(OT_AREA, area_ptr->id(), ET_AREA_OVER_COUNT_PERSON);

                event_list::copy_event(card_ptr, ev_ptr);

                ev_ptr->m_limit_value = area_ptr->m_limit_person_count;
                ev_ptr->m_cur_value = area_ptr->m_person_count;

                //保存到数据库
                event_list::save_event(ev_ptr);

                event_list::instance()->add(ev_ptr->get_list_id(),ev_ptr);

                log_info("区域人卡超员开始：区域id=%d，区域人卡门限=%d，当前人卡数=%d",
                         area_ptr->id(), area_ptr->m_limit_person_count, area_ptr->m_person_count.load());
            }
        }
    }

//    void on_hover(std::shared_ptr<card_location_base> card_ptr,std::shared_ptr<area_hover>&c)
//    {

//    }

    void on_leave(std::shared_ptr<card_location_base> card_ptr,std::shared_ptr<area_hover>&c)
    {
        auto area_ptr = c->m_area;

        if(area_ptr->m_limit_person_count > area_ptr->m_person_count)//没有超员
        {
            //取消告警状态
            auto ev_ptr = event_list::instance()->get(static_cast<uint32_t>(area_ptr->id()), ET_AREA_OVER_COUNT_PERSON);
            if(ev_ptr)
            {
                event_list::copy_event(card_ptr, ev_ptr);

                ev_ptr->m_limit_value=area_ptr->m_limit_person_count;
                ev_ptr->m_cur_value = area_ptr->m_person_count;

                ev_ptr->m_status = ES_END;

                //保存到数据库
                event_list::save_event(ev_ptr);

                log_info("区域人卡超员结束：区域id=%d，区域人卡门限=%d，当前人卡数=%d",
                         area_ptr->id(), area_ptr->m_limit_person_count, area_ptr->m_person_count.load());
            }
        }
    }
};

#endif // MODULE_AREA_OVER_PERSON_H