server/area.h

#ifndef _AREA_HPP_
#define _AREA_HPP_

#include <atomic>
#include <algorithm>
#include <cfloat>
#include <iterator>
#include <point.h>
#include "common.h"
#include <write-copy.h>
#include <set>
#include <map>

struct area_hover;
struct point;
struct area_business;
struct business_data;
struct card_location_base;
struct site;

/*
	每个区域对应一个area对象。
*/
struct area
{
    area(int id,int limit_count_person, int limit_time_person,double scale,int32_t mapid,int32_t b_type);

  	virtual void on_hover(const std::shared_ptr<area_hover>&a,const std::shared_ptr<card_location_base>&c);
	virtual	void on_enter(const std::shared_ptr<area_hover>&a,const std::shared_ptr<card_location_base>&c);
	virtual	void on_leave(const std::shared_ptr<area_hover>&a,const std::shared_ptr<card_location_base>&c);
    virtual	void on_load_his(const std::shared_ptr<area_hover>&a,const std::shared_ptr<card_location_base>&c);

    virtual bool in_area(const std::shared_ptr<site>&s,const std::shared_ptr<card_location_base>&c, const point & p,int &);
    int id()const
    {
        return m_id;
    }
    int mapid()const
    {
        return m_mapid;
    }
    double scale()const
    {
        return m_scale;
    }
        bool is_mine()//是矿井区域
    {
        return 0 == m_id;
    }
    virtual ~area()
    {}
    double get_speed(int vehicle_category_id) {return m_speed[vehicle_category_id];}
    void  update(int limit_count_person, int limit_time_person,double scale,int32_t mapid, int limit_count_vehicle, int limit_time_vehicle)
    {
        m_limit_person_min=limit_time_person;
        m_limit_person_count=limit_count_person;
        m_scale=scale;
        m_mapid=mapid;
        m_limit_vehicle_count=limit_count_vehicle;
        m_limit_vehicle_min=limit_time_vehicle;
    }
public:
	std::vector<area_business*> m_area_business_list;
	std::atomic<int> m_frozen_count;

	void set_business_list(std::vector<area_business*>&&business_list)
	{
		m_area_business_list=business_list;	
	}

	int  get_frozen_count()
	{
		return m_frozen_count.load(std::memory_order_acquire);
	}

	int add_frozen_count(int deta=1)
	{
		return m_frozen_count.fetch_add(deta,std::memory_order_release);
	}

	int sub_frozen_count(int deta=1)
	{
		return add_frozen_count(-deta);
	}

	void change_business(uint32_t new_bits);
    void clear();
public:
    std::vector<point> m_bound;
	//数据库唯一ID
    int    m_id;

	//用户定义的业务类型,BIT集合
	/*
	    1：位置[优先级]
		2：超时[超时时间分钟数]
		3：超员[人员数量、车辆数量]
		4：超速[超速值、判断策略N/M]
		5：人员考勤
		6：车辆考勤[离开最小，离开最小距离]
		7：禁区[进入时长]
		8：猴车区域
	*/
    int    m_biz_type=0;

	//人卡超时及超员数量(阀值)
    int m_limit_person_min;
    int m_limit_person_count;
    //是否人卡超员已有告警
    bool m_event_person_count;
    bool m_event_person_show_count;

	//人卡超时及超员数量(阀值)
    int m_limit_vehicle_min;
    int m_limit_vehicle_count;
    //是否人卡超员已有告警
    bool m_event_vehicle_count;
    bool m_event_vehicle_show_count;
    double m_scale;
    int32_t m_mapid;

    ///区域人卡数
    std::atomic<int> m_person_count;
    ///区域车卡数
    std::atomic<int> m_vehicle_count;
    ///区域显示人卡数
    std::atomic<int> m_person_show_count;
    ///区域显示车卡数
    std::atomic<int> m_vehicle_show_count;


    //区域速度门限
    std::map<int,double> m_speed;

    //是否是工作区域(0：不是、1：是)
    int m_is_work_area=0;
};

struct area_list:single_base<area_list,int,std::shared_ptr<area>>
{
    area_list();

	//根据分站、所在点找出所在区域列表
	std::vector<std::shared_ptr<area>> get_area(const std::shared_ptr<site>& s,const std::shared_ptr<card_location_base> &c,const point&pt,int &);
    std::vector<point> init_path(std::string  &str,int area_id);
    ///id=-1为初始化所有
    void init_from_db(int id=-1);
    void init_monkeycar_area(int id=-1);
private:
	std::shared_ptr<area>  create(int type,int id,int limit_count_person, int limit_time_person,double scale,int32_t mapid,int32_t b_type);
};

struct area_hover
{
    std::shared_ptr<area>  m_area;
    uint64_t m_enter_time,m_last_time;
    point	 m_enter_point,m_last_point;
	/*
		记录该业务所关心的需持续使用的数据，每个业务一个指针
		建议该数据项在on_enter时初始化,on_leave时清除
	*/
	std::vector<std::shared_ptr<business_data>> m_data;

    area_hover()=default;
    area_hover(const std::shared_ptr<area>&area,const point&pt);
   	std::shared_ptr<business_data>&get_business_data(int type)
	{
		if(type>=(int)m_data.size())
		{
			m_data.resize(type+1);
		}

		return m_data[type];
	}

    int id()const
    {
        return m_area->id();
    }
    int mapid()const
    {
        return m_area->mapid();
    }
    double scale()const
    {
        return m_area->scale();
    }
    bool operator == (const area_hover&o)const
    {
        return m_area->id()==o.m_area->id();
    }

    bool operator < (const area_hover&o)const
    {
        return m_area->id()<o.m_area->id();
    }
    void set(const point&pt)
    {
        m_last_time=time(0);
        m_last_point = pt;
    }
};

//每张卡包含一个对象
//在解析出数据点时，调用on_point
struct site;
struct task;
struct area_tool
{
	//卡所在的所有area的列表，以id排序小->大
	std::vector<std::shared_ptr<area_hover>> m_hover_list;

	//推送卡位置时需要推送的所在区域id列表
	std::map<int,std::tuple<int,int,int,double,uint64_t>> m_area_info;
	int m_mapid=-1;
	double m_scale=2.0;
    std::shared_ptr<site> m_site=nullptr;
    void clear()
    {
        m_area_info.clear();
    }
    void set(const std::shared_ptr<site>& s)
    {
        if(m_site != s)
          m_site=s;
    }
	void on_change_business(const std::shared_ptr<card_location_base>& c, const task&t);
	void on_point(const std::shared_ptr<card_location_base>& c,const point&pt);
    void on_leave(const std::shared_ptr<card_location_base>& c);

	void set_area_info(int mapid,double scale,int areaid,const point &pt,uint64_t t,int type);
	void set_area_info(int mapid,int areaid,const point &pt,uint64_t t);
   	void change_area(uint32_t card_id,double speed,int16_t type,int32_t new_areaid)
	{
#if 0
		do_leave_biz(card_id,speed,type);
		auto area = area_list::instance()->get(new_areaid);
		point pt;
		m_area_hover.reset(new area_hover(area,pt,speed));
		do_enter_biz(card_id,speed,type);
#endif
	}
};

#endif