server-l-zmg/event.cpp

#include "event.h"
#include <string>
#include "ant.h"
#include "area.h"
#include "card.h"
#include "common_tool.h"
#include "websocket/constdef.h"
#include "db/db_api/CDBSingletonDefine.h"
#include "tool_time.h"
#include "ant.h"
#include "db/db_tool.h"
#include "mine.h"
#include "module_service/module_traffic_light_manager.h"

uint64_t ya_event::get_list_id()
{
    return m_id;
}

struct Event
{
    OBJECT_TYPE m_oid;
    Event(OBJECT_TYPE oid)
        :m_oid(oid)
    {}
    void handle_alarm_event(EVENT_TYPE et,uint64_t id,double limit_value,double cur_value,bool f,EVENT_DIS_TYPE edt,const std::string &desc);
    virtual std::shared_ptr<ya_event> on_message(EVENT_TYPE et,uint64_t id,bool f)=0;
    std::shared_ptr<ya_event> create_event(const std::string&obj_id,EVENT_TYPE ev_type);
    virtual ~Event(){}
};
struct mine_event:Event
{
    mine_event()
        :Event(OT_MORE_CARD)
    {}
    virtual std::shared_ptr<ya_event> on_message(EVENT_TYPE et,uint64_t id,bool f);
};
struct area_event:Event
{
    area_event()
        :Event(OT_AREA)
    {}
    virtual std::shared_ptr<ya_event> on_message(EVENT_TYPE et,uint64_t id,bool f);
};

struct device_reader_event:Event
{
    device_reader_event()
        :Event(OT_DEVICE_READER)
    {}
    virtual std::shared_ptr<ya_event> on_message(EVENT_TYPE et,uint64_t id,bool f);
};

struct card_event:Event
{
    card_event()
        :Event(OT_CARD)
    {}
    virtual std::shared_ptr<ya_event> on_message(EVENT_TYPE et,uint64_t id,bool f);
};

struct light_event:Event{
    light_event()
        : Event(OT_DEVICE_LIGHT)
    {}

    virtual std::shared_ptr<ya_event> on_message(EVENT_TYPE et, uint64_t id, bool f);
};

static event_tool et;
event_tool * event_tool::instance()
{
    return &et;
}

/*
 *	@brief
 *		告警分类：一人带多卡告警、区域告警、基站告警、卡告警、红绿灯告警
 *	@param
 *		无
 *	@return
 *		无
 *	@note
 *	@warning
 *	@bug
 *
 * */
void event_tool::make_event_object()
{
	log_info("handle_alarm_event:make_event_object");
    m_map[OT_MORE_CARD] = std::make_shared<mine_event>();
    m_map[OT_AREA] = std::make_shared<area_event>();
    m_map[OT_DEVICE_READER] = std::make_shared<device_reader_event>();
    m_map[OT_CARD] = std::make_shared<card_event>();
    m_map[OT_DEVICE_LIGHT] = std::make_shared<light_event>();
}

void event_tool::handle_event(OBJECT_TYPE ot, EVENT_TYPE et, uint64_t id, double limit_value, double cur_value, bool f, EVENT_DIS_TYPE edt/*=DT_COMMON*/, const std::string &desc/*=""*/)
{
    m_map[ot]->handle_alarm_event(et,id,limit_value,cur_value,f,edt,desc);
}

std::shared_ptr<ya_event> Event::create_event(const std::string&obj_id,EVENT_TYPE ev_type)
{
    auto ev_ptr = std::make_shared<ya_event>(tool_time::now_to_us());
    ev_ptr->m_ev_type = ev_type;
    ev_ptr->m_obj_type=m_oid;
    ev_ptr->m_obj_id = obj_id;
    return ev_ptr;
}

/*
 * @breif		构建开始或者取消告警事件,
 * 告警事件入口，生成事件对象，保存在内存中。
 * end_time为零表示开始
 * start_time为零表示结束
 * 事件的唯一根据id判断。
 * @param		EVENT_TYPE et			事件设备类型
 * @param		uint64_t id
 * @param		double limit_value		阈值
 * @param		double cur_value		当前值
 * @param		bool f					告警标志，true表示开始告警，false表示取消告警
 * @param		EVENT_DIS_TYPE edt
 * @param		const std::string& desc 描述
 * @return		无
 * @note
 * @bug
 * @warning
 * */
void Event::handle_alarm_event(EVENT_TYPE et, uint64_t id, double limit_value, double cur_value, bool f, EVENT_DIS_TYPE edt, const std::string &desc)
{
    std::shared_ptr<ya_event> ev_ptr = nullptr;
    uint64_t eid = event_list::to_list_id(et, m_oid, id, edt);
	//eid是告警的唯一id，如果存在，查找eid来找到的已经存在的事件
    auto event_ptr = event_list::instance()->get(eid);
    if(f)
    {
        if(event_ptr)
        {
            //已经存在告警
            event_ptr->m_cur_value = cur_value;
            if(et!=ET_READER_ERROR)
                event_ptr->m_is_sent=false;
        }
        else
        {
            uint64_t _id = id;
            //log_info("Create_Event:desc[%s],id:%d,et:%d",desc.c_str(),id,et);
            if((et == ET_UWB_MORE_CARD||et == ET_VEHICLE_REAR_END) && !desc.empty())//防追尾告警特殊处理
            {
                std::string cardid = desc.substr(0, desc.find_first_of('&'));
                _id = tool_other::card_id_to_u64(cardid);
            }
            ev_ptr = on_message(et,_id,f);
            if(ev_ptr){
                ev_ptr->m_cur_value = cur_value;
                ev_ptr->m_limit_value = limit_value;
                ev_ptr->m_desc = desc;
                ev_ptr->m_id = eid;
                ev_ptr->m_dis_type = edt;
                if(et == ET_VEHICLE_REAR_END|| et == ET_UWB_MORE_CARD)//一人多卡特殊处理
                {
                    ev_ptr->m_obj_id = desc;
                    //ev_ptr->m_cur_time=std::chrono::system_clock::time_point(std::chrono::milliseconds((time_t)limit_value * 1000));
                }
                //保存告警信息
                event_list::instance()->add(eid, ev_ptr);
            }
        }
    }
    else
    {
        if(event_ptr && !event_ptr->is_end())
        {
            //取消告警
            event_ptr->m_cur_time = std::chrono::system_clock::now();
            event_ptr->m_status = ES_END;
            event_ptr->m_cur_value = cur_value;
            event_ptr->m_desc = desc;
            event_ptr->m_is_sent = false;
            ev_ptr=event_ptr;
        }
    }
	if(ev_ptr)
    {
        //event_list::save_event(ev_ptr);
		//基站失联告警：人员和车辆都要有
		if(ev_ptr->m_ev_type == 6){
			event_list::save_event(ev_ptr);
			event_list::save_event_v(ev_ptr);
		}else if(ev_ptr->m_ev_type == 8 || ev_ptr->m_ev_type == 21 || ev_ptr->m_ev_type == 41){
			// 红绿灯失联、人车防碰撞、超速告警这三类保存到his_event_data_v表中
			if (ev_ptr->m_ev_type == 21)
			{
				ev_ptr->m_cell_index = limit_value;
				ev_ptr->m_speed = cur_value;
			}
			event_list::save_event_v(ev_ptr);
		}else{
			//其他的人员相关报警保存到his_event_data表中
			event_list::save_event(ev_ptr);
		}
    }
}

std::shared_ptr<ya_event> mine_event::on_message(EVENT_TYPE et,uint64_t id,bool f)
{
    std::shared_ptr<ya_event> event_ptr=nullptr;
    if(f){
        event_ptr=create_event(std::to_string(id), et);
        auto card_ptr = card_list::instance()->get(id);
        if(!card_ptr)
        {
            event_ptr->m_map_id=5;
            return event_ptr;
        }
	    if(auto site_ptr=card_ptr->get_area_tool()->m_site)
        {
            event_ptr->m_area_id = site_ptr->m_area_id;
            event_ptr->m_map_id = site_ptr->m_map_id;
        }
    }
    return event_ptr;
}

std::shared_ptr<ya_event> area_event::on_message(EVENT_TYPE et,uint64_t id,bool f)
{
    std::shared_ptr<ya_event> event_ptr=nullptr;
    if(f)
    {
        auto area_ptr = area_list::instance()->get(id);
        if(!area_ptr)
        {
            log_error("create_event .can not find area ..%d",id);
            return event_ptr;
        }
        event_ptr=create_event(std::to_string(id), et);
        event_ptr->m_area_id = id;
        event_ptr->m_map_id = area_ptr->mapid();
    }
    return event_ptr;
}

std::shared_ptr<ya_event> device_reader_event::on_message(EVENT_TYPE et,uint64_t id,bool f)
{
    std::shared_ptr<ya_event> event_ptr=nullptr;
    if(f)
    {
        auto site_ptr = sit_list::instance()->get(id);
        if(!site_ptr)
        {
            log_info("create_event.can not find site :%d",id);
            return event_ptr;
        }
        if(site_ptr->m_special){
            //log_info()
            return event_ptr;
        }
        event_ptr=create_event(std::to_string(id),et);
        event_ptr->m_area_id =  site_ptr->m_area_id;
        event_ptr->m_map_id = site_ptr->m_map_id;
        event_ptr->x = site_ptr->x;
        event_ptr->y = site_ptr->y;
    }
    return event_ptr;
}

std::shared_ptr<ya_event> card_event::on_message(EVENT_TYPE et,uint64_t id,bool f)
{
    std::shared_ptr<ya_event> event_ptr=nullptr;
    if(f)
    {
        auto card_ptr = card_list::instance()->get(id);
        std::string card_id = tool_other::get_string_cardid(id);
        if(!card_ptr)
        {
            log_error("Create_event.can not find card:%s",card_id.c_str());
            return event_ptr;
        }
        event_ptr=create_event(card_id,et);
        event_ptr->x = card_ptr->x;
        event_ptr->y = card_ptr->y;
        //event_ptr->m_is_display = card_ptr->m_display;
        
	    if(const auto area_ptr=card_ptr->get_area_tool()) {
            const auto area_info = area_ptr->m_area_info; 
            if(!area_info.empty()){
                const auto x=area_info.cbegin()->second;
                event_ptr->landmark_id=std::get<1>(x);
                event_ptr->landmark_dir=std::get<2>(x);
                event_ptr->landmark_dis=std::get<3>(x);
            }
            if(const auto site_ptr=area_ptr->m_site){
                event_ptr->m_area_id = site_ptr->m_area_id;
                event_ptr->m_map_id = site_ptr->m_map_id;
            }
        }
    }
    return event_ptr;
}

std::shared_ptr<ya_event> light_event::on_message(EVENT_TYPE et, uint64_t id, bool f)
{
    std::shared_ptr<ya_event> event_ptr = nullptr;

    if(f){
        auto light_ptr = traffic_light_manager::instance()->get(id);
        if(!light_ptr)
        {
            log_info("create_event.can not find light :%d",id);
            return event_ptr;
        }
        event_ptr = create_event(std::to_string(id), et);
        event_ptr->m_area_id =  light_ptr->m_area_id;
        event_ptr->m_map_id = light_ptr->m_map_id;
        event_ptr->x = light_ptr->x;
        event_ptr->y = light_ptr->y;
   
    }

    return event_ptr;
}

std::shared_ptr<ya_event> event_list::get_event_card(uint32_t card_id, int card_type, EVENT_TYPE ev_type,EVENT_DIS_TYPE edt)
{
    uint64_t id64 = tool_other::type_id_to_u64(card_type, card_id);
    return base::get(to_list_id(ev_type, OT_CARD, id64,edt));
}

void event_list::save_event(const std::shared_ptr<ya_event> &ev_ptr)
{
    char sql[LENGTH_SQL] = {0};
    std::string _time = tool_time::to_str_ex(ev_ptr->m_cur_time);
    sprintf(sql,
            "INSERT IGNORE INTO his_event_data(event_id,id, stat, event_type_id, obj_type_id, obj_id, dis_type,\
            map_id, area_id, limit_value, cur_value, x, y, cur_time, description,landmark_id,landmark_dir,landmark_dist) \
            VALUES(%ld,%ld, %d, %d, %d, %s, %d, %d, %d, %.2f, %.2f, %f, %f, '%s', '%s',%d,%d,%.2f);",
            ev_ptr->m_ev_id,ev_ptr->m_id,ev_ptr->m_status, ev_ptr->m_ev_type, ev_ptr->m_obj_type, ev_ptr->m_obj_id.c_str(),ev_ptr->m_dis_type,
            ev_ptr->m_map_id, ev_ptr->m_area_id, ev_ptr->m_limit_value, ev_ptr->m_cur_value, ev_ptr->x, ev_ptr->y,
            _time.c_str(), ev_ptr->m_desc.c_str(),ev_ptr->landmark_id,ev_ptr->landmark_dir,ev_ptr->landmark_dis);

    db_tool::PushAsync(sql);
}

/*
 *	@brief
 *		保存告警事件
 *	@param
 *		const std::shared_ptr<ya_event>& ev_ptr		告警对象
 *		int type									告警开始结束标志，开始为0，结束为1
 *	@return
 *		无
 *	@note
 *	@warning
 *	@bug
 * */
void event_list::save_event_v(const std::shared_ptr<ya_event> &ev_ptr)
{
    char sql[LENGTH_SQL] = {0};
    std::string _time = tool_time::to_str_ex(ev_ptr->m_cur_time);
	switch(ev_ptr->m_status){
		case 0:
			sprintf(sql, "INSERT IGNORE INTO his_event_data_v(id, event_type_id, obj_id, x, y ,start_time, speed, cell_index) VALUES(%ld, %d, '%s', %.2f, %.2f, '%s', %.2f, %d);",
					ev_ptr->m_ev_id, ev_ptr->m_ev_type, ev_ptr->m_obj_id.c_str(), ev_ptr->x, ev_ptr->y, _time.c_str(), ev_ptr->m_speed, ev_ptr->m_cell_index);
			break;
		case 100:
			sprintf(sql, "update his_event_data_v set end_time='%s' where id=%ld;", _time.c_str(), ev_ptr->m_ev_id);
			break;
		default:
			break;
	}
    
	db_tool::PushAsync(sql);
}


void event_list::load_his_data_from_db(bool init /*=true*/)
{
    static std::time_t s_last_time=0;
    if(!init){
        std::time_t t=time(0);
        if(t-s_last_time<15)return;
        s_last_time=t;
    }
    
	std::unordered_map<uint64_t, std::shared_ptr<ya_event>> map;
    std::string sql("SELECT event_id, id,stat,event_type_id,obj_type_id,obj_id,dis_type,map_id,area_id,\
            limit_value,cur_value,x,y, cur_time FROM his_event_data \
            WHERE event_id IN (SELECT MAX(event_id) FROM his_event_data \
                               WHERE cur_time > (CASE obj_type_id \
                                                 WHEN 1 THEN DATE_SUB(NOW(),INTERVAL 2 DAY) \
                                                 WHEN 4 THEN DATE_SUB(NOW(),INTERVAL 1 MONTH)\
                                                 WHEN 9 THEN DATE_SUB(NOW(),INTERVAL 2 DAY) \
                                                 WHEN 10 THEN DATE_SUB(NOW(),INTERVAL 2 DAY) \
                                                 END) \
                               AND cur_time < NOW()\
                               GROUP BY event_type_id, obj_id,dis_type) \
            AND  event_id NOT IN ( SELECT event_id FROM his_event_data WHERE  stat=100)\
            AND event_type_id NOT IN (21,22,31,36) and obj_type_id !=2;");

    if(!init)
        sql="SELECT event_id, id,stat,event_type_id,obj_type_id,obj_id,dis_type,map_id,area_id,limit_value,cur_value,x,y, cur_time FROM his_event_data WHERE cur_time > date_sub(NOW(),interval 20 second) and source=1 order by stat;";
    std::string Error;
    YADB::CDBResultSet DBRes;
    sDBConnPool.Query(sql.c_str(),DBRes,Error);
    if(!Error.empty())
        log_error("初始化事件列表 Error,%s",Error.c_str());
    uint64_t nCount = DBRes.GetRecordCount( Error );
    if (nCount > 0)
    {
        log_info( "init_event_list. The record count=%ld\n", nCount );

        while ( DBRes.GetNextRecod(Error) )
        {
            long long int event_id  = 0;
            DBRes.GetField( "event_id",event_id, Error );

            long long int id  = 0;
            DBRes.GetField( "id",id, Error );

            int event_type_id  = 0;
            DBRes.GetField( "event_type_id",event_type_id, Error );

            int obj_type_id  = 0;
            DBRes.GetField( "obj_type_id",obj_type_id, Error );

            std::string obj_id  = "";
            DBRes.GetField( "obj_id",obj_id, Error );

            int dis_type  = 0;
            DBRes.GetField( "dis_type",dis_type, Error );

            int map_id  = 0;
            DBRes.GetField( "map_id",map_id, Error );

            int area_id  = 0;
            DBRes.GetField( "area_id",area_id, Error );

            double limit_value = 0;
            DBRes.GetField( "limit_value",limit_value, Error );

            double cur_value = 0;
            DBRes.GetField( "cur_value",cur_value, Error );

            double x = 0;
            DBRes.GetField( "x",x, Error );

            double y = 0;
            DBRes.GetField( "y",y, Error );

            std::string cur_time  = "";
            DBRes.GetField( "cur_time",cur_time, Error );

            int stat  = 0;
            DBRes.GetField( "stat",stat, Error );
            //增加虚拟告警处理逻辑
            std::shared_ptr<ya_event> ev=nullptr;
            bool flag=false;
            if(!init){
                ev=event_list::instance()->get(id);
                if(!ev){
                    ev = std::make_shared<ya_event>(event_id);
                }else{
                    flag=true;
                    if(stat==100)ev->m_is_sent=false;
                }
            }else{
                ev = std::make_shared<ya_event>(event_id);
            }

            ev->m_status = static_cast<EVENT_STATUS>(stat);
            ev->m_ev_type = static_cast<EVENT_TYPE>(event_type_id);

            ev->m_obj_type = static_cast<OBJECT_TYPE>(obj_type_id);
            ev->m_dis_type = static_cast<EVENT_DIS_TYPE>(dis_type);
            ev->m_obj_id = obj_id;
            ev->m_cur_time = tool_time::to_time_ex(cur_time);

            ev->m_cur_value = cur_value;
            ev->m_limit_value = limit_value;

            ev->m_map_id = map_id;
            ev->m_area_id = area_id;
            ev->x = x;
            ev->y = y;
            ev->m_id = id;
            //这里当是卡告警的时候，对m_event数据进行赋值
            //方便清理
            //备注防追尾告警和一人多卡告警可能不适用，后续整理
            if(ev->m_obj_type==OT_CARD){
                uint64_t c_id= tool_other::card_id_to_u64(ev->m_obj_id);
                if(auto c=card_list::instance()->get(c_id)){
                    if(c->m_type==CT_PERSON){
                        auto mine_tool_ptr = c->get_mine_tool();
                        if(!mine_tool_ptr->m_is_attendance) {
                            log_warn("person_not_att:%s",obj_id.c_str());
                            continue;
                        }
                    }
                    c->set_event_flag(ev->m_ev_type);
                    if(event_type_id==ET_CARD_LOW_POWER_SERIOUS)
                        c->m_pwr_stat=STATUS_POWER_LOWER_SERIOUS;
                } else {
                    log_warn("load_evnet_history:card_id:%s not exist...",obj_id.c_str());
                    continue;
                }
            }else if(ev->m_obj_type==OT_DEVICE_READER){ 
                auto sit_ptr=sit_list::instance()->get(std::stoi(obj_id));
                if(!sit_ptr){
                    log_warn("load_evnet_history:site_id:%s not exist...",obj_id.c_str());
                    continue;
                }
                if(ev->m_ev_type==ET_READER_POWER_BY_BATTERY)
                    sit_ptr->m_power_ac_down=true;
                if(ev->m_ev_type==ET_READER_ERROR)
                    sit_ptr->m_time=tool_time::to_ms(ev->m_cur_time)/1000;
            } 
            if(!flag) 
                map.insert(std::make_pair(id, ev));
            log_info("event_list %lld,%lld,%d,%d,%d,%s,%d,%d,%d,%.2f,%.2f,%.2f,%.2f,%s"
                     , ev->m_ev_id,ev->m_id,ev->m_status,ev->m_ev_type,ev->m_obj_type,ev->m_obj_id.c_str(),ev->m_dis_type
                     ,ev->m_map_id,ev->m_area_id,ev->m_limit_value,ev->m_cur_value
                     ,ev->x,ev->y
                     ,tool_time::to_str_ex(ev->m_cur_time).c_str());
        }
        if(!map.empty())
            event_list::instance()->add(map);
    }
}

/*
 *	@brief
 *		加载车辆历史告警表
 *	@param
 *		
 *	@return
 *		无
 *	@note
 *	@warning
 *	@bug
 * */
void event_list::load_his_data_v_from_db()
{
    static std::time_t s_last_time=0;
    if(!init){
        std::time_t t=time(0);
        if(t-s_last_time<15)return;
        s_last_time=t;
    }
    
	std::unordered_map<uint64_t, std::shared_ptr<ya_event>> map;
    std::string sql("SELECT id, obj_id, event_type_id, x, y, start_time from his_event_data_v where id in (select max(id), obj_id, event_type_id, x, y, start_time from his_event_data_v where end_time is null and start_time > DATE_SUB(NOW(), INTERVAL 1 DAY) GROUP BY obj_id_id, event_type_id);");

    std::string Error;
    YADB::CDBResultSet DBRes;
    sDBConnPool.Query(sql.c_str(),DBRes,Error);
    if(!Error.empty())
        log_error("初始化事件列表 Error,%s",Error.c_str());
    uint64_t nCount = DBRes.GetRecordCount( Error );
    if (nCount > 0)
    {
        log_info( "init_event_list. The record count=%ld\n", nCount );

        while ( DBRes.GetNextRecod(Error) )
        {
            long long int event_id  = 0;
            DBRes.GetField( "id",event_id, Error );

            long long int id  = 0;
			id = event_id;

            int event_type_id  = 0;
            DBRes.GetField( "event_type_id",event_type_id, Error );

            int obj_type_id  = 0;

            std::string obj_id  = "";
            DBRes.GetField( "obj_id",obj_id, Error );

            int dis_type  = 0;

            int map_id  = 0;

            int area_id  = 0;

            double limit_value = 0;

            double cur_value = 0;

            double x = 0;
            DBRes.GetField( "x",x, Error );

            double y = 0;
            DBRes.GetField( "y",y, Error );

            std::string cur_time  = "";
            DBRes.GetField( "start_time",cur_time, Error );

            int stat  = 0;
            //增加虚拟告警处理逻辑
            std::shared_ptr<ya_event> ev=nullptr;
            bool flag=false;
            if(!init){
                ev=event_list::instance()->get(id);
                if(!ev){
                    ev = std::make_shared<ya_event>(event_id);
                }else{
                    flag=true;
                    if(stat==100)ev->m_is_sent=false;
                }
            }else{
                ev = std::make_shared<ya_event>(event_id);
            }

            ev->m_status = static_cast<EVENT_STATUS>(stat);
            ev->m_ev_type = static_cast<EVENT_TYPE>(event_type_id);

            ev->m_obj_type = static_cast<OBJECT_TYPE>(obj_type_id);
            ev->m_dis_type = static_cast<EVENT_DIS_TYPE>(dis_type);
            ev->m_obj_id = obj_id;
            ev->m_cur_time = tool_time::to_time_ex(cur_time);

            ev->m_cur_value = cur_value;
            ev->m_limit_value = limit_value;

            ev->m_map_id = map_id;
            ev->m_area_id = area_id;
            ev->x = x;
            ev->y = y;
            ev->m_id = id;
            //这里当是卡告警的时候，对m_event数据进行赋值
            //方便清理
            //备注防追尾告警和一人多卡告警可能不适用，后续整理
           
            if(!flag) 
                map.insert(std::make_pair(id, ev));
				log_info("event_list %lld,%lld,%d,%d,%d,%s,%d,%d,%d,%.2f,%.2f,%.2f,%.2f,%s"
                     , ev->m_ev_id,ev->m_id,ev->m_status,ev->m_ev_type,ev->m_obj_type,ev->m_obj_id.c_str(),ev->m_dis_type
                     ,ev->m_map_id,ev->m_area_id,ev->m_limit_value,ev->m_cur_value
                     ,ev->x,ev->y
                     ,tool_time::to_str_ex(ev->m_cur_time).c_str());
        }
        if(!map.empty())
            event_list::instance()->add(map);
    }
}

/*
 *	@brief
 *		事件转为json
 *	@param
 *		std::vector<std::shared_ptr<ya_event>> arr		事件列表
 *	@return
 *		json字符串
 *	@note
 *	@warning
 *	@bug
 * */
std::string event_list::evs_to_json(std::vector<std::shared_ptr<ya_event>> arr)
{
    rapidjson::Document doc(rapidjson::kObjectType);
    rapidjson::Value data(rapidjson::kArrayType);
    rapidjson::Document::AllocatorType& allocator=doc.GetAllocator();

    auto it=arr.begin();
    for(;it!=arr.end();++it)
    {
        _ev_to_node(*it, allocator, data);
    }

    doc.AddMember(JSON_ROOT_KEY_CMD,JSON_CMD_VALUE_EVENT, allocator);
    doc.AddMember(JSON_ROOT_KEY_VERSION,INTERFACE_VERSION, allocator);
    doc.AddMember(JSON_ROOT_KEY_DATA,data, allocator);

    rapidjson::StringBuffer sb;
    rapidjson::Writer<rapidjson::StringBuffer> writer(sb);
    doc.Accept(writer);

    return sb.GetString();
}

/*
 *	@brief
 *		构造alarm的json字符串
 *	@param
 *		std::vector<std::shared_ptr<ya_event>> arr	告警事件列表
 *	@return
 *		alarm的json字符串
 *	@note
 *	@warning
 *	@bug
 *
 * */
std::string event_list::evs_to_json_v(std::vector<std::shared_ptr<ya_event>> arr)
{
    rapidjson::Document doc(rapidjson::kObjectType);
    rapidjson::Value data(rapidjson::kArrayType);
    rapidjson::Document::AllocatorType& allocator=doc.GetAllocator();

    auto it=arr.begin();
    for(;it!=arr.end();++it)
    {
        _ev_to_node_v(*it, allocator, data);
    }

    doc.AddMember(JSON_ROOT_KEY_CMD, "alarm", allocator);
    doc.AddMember(JSON_ROOT_KEY_DATA, data, allocator);

    rapidjson::StringBuffer sb;
    rapidjson::Writer<rapidjson::StringBuffer> writer(sb);
    doc.Accept(writer);

    return sb.GetString();
}

void event_list::_ev_to_node(std::shared_ptr<ya_event> ev_ptr,
                             rapidjson::Document::AllocatorType& allocator,
                             rapidjson::Value& out_data)
{
    rapidjson::Value ev(rapidjson::kObjectType);

    //ev.AddMember(JSON_KEY_EVENT_EVENT_ID,ev_ptr->m_id, allocator);
    tool_json::add_member(ev, JSON_KEY_EVENT_EVENT_ID, std::to_string(ev_ptr->m_id), allocator);
    ev.AddMember(JSON_KEY_EVENT_STATUS,ev_ptr->m_status, allocator);

    ev.AddMember(JSON_KEY_EVENT_TYPE_ID,ev_ptr->m_ev_type, allocator);
    ev.AddMember(JSON_KEY_EVENT_OBJ_TYPE_ID,ev_ptr->m_obj_type, allocator);

    tool_json::add_member(ev, JSON_KEY_EVENT_OBJ_ID, ev_ptr->m_obj_id, allocator);
    ev.AddMember(JSON_KEY_EVENT_DIS_TYPE_ID,ev_ptr->m_dis_type, allocator);
    ev.AddMember(JSON_KEY_EVENT_MAP_ID,ev_ptr->m_map_id, allocator);
    ev.AddMember(JSON_KEY_EVENT_AREA_ID,ev_ptr->m_area_id, allocator);
    ev.AddMember(JSON_KEY_EVENT_X,ev_ptr->x, allocator);
    ev.AddMember(JSON_KEY_EVENT_Y,ev_ptr->y, allocator);

    ev.AddMember(JSON_KEY_EVENT_LIMIT_VALUE,ev_ptr->m_limit_value, allocator);
    ev.AddMember(JSON_KEY_EVENT_CUR_VALUE,ev_ptr->m_cur_value, allocator);
    ev.AddMember(JSON_KEY_EVENT_CUR_TIME,tool_time::to_ms(ev_ptr->m_cur_time), allocator);

    out_data.PushBack(ev, allocator);
}

/*
 * @brief
 *		构造每个具体告警的数据
 * @param
 *		std::shared_ptr<ya_event> ev_ptr				//告警对象
 *		rapidjson::Document::AllocatorType& allocator	//json的allocator
 *		rapidjson::Value& out_data						//输出的json value对象
 * @return
 * @note
 * @warning
 * @bug
 * */
void event_list::_ev_to_node_v(std::shared_ptr<ya_event> ev_ptr,
                             rapidjson::Document::AllocatorType& allocator,
                             rapidjson::Value& out_data)
{
    rapidjson::Value ev(rapidjson::kObjectType);

    //ev.AddMember(JSON_KEY_EVENT_EVENT_ID,ev_ptr->m_id, allocator);
    tool_json::add_member(ev, JSON_KEY_EVENT_EVENT_ID, std::to_string(ev_ptr->m_id), allocator);
    ev.AddMember(JSON_KEY_EVENT_TYPE_ID,ev_ptr->m_ev_type, allocator);

	if(ev_ptr->m_ev_type == ET_PERSON_VEHICLE_ANTI_COLLISION){
		tool_json::add_member(ev, JSON_KEY_EVENT_OBJ_ID, ev_ptr->m_desc, allocator);
	}else{
		tool_json::add_member(ev, JSON_KEY_EVENT_OBJ_ID, ev_ptr->m_obj_id, allocator);
	}
    ev.AddMember(JSON_KEY_EVENT_X,ev_ptr->x, allocator);
    ev.AddMember(JSON_KEY_EVENT_Y,ev_ptr->y, allocator);

	switch(ev_ptr->m_status){
		case 0:
			ev.AddMember("start_time", tool_time::to_ms(ev_ptr->m_cur_time), allocator);
			break;
		case 100:
			ev.AddMember("end_time", tool_time::to_ms(ev_ptr->m_cur_time), allocator);
			break;
		default:
			break;
	}
    
	out_data.PushBack(ev, allocator);
}


//template<> std::shared_ptr<event_list> single_base<event_list, uint64_t, std::shared_ptr<ya_event>>::m_instance=std::make_shared<event_list>();