server/card_car.cpp

#include <sstream>
#include "card_car.h"
#include "card_message_handle.h"
#include "his_location.h"
#include "area.h"
#include "mine.h"
#include "three_rates.h"
#include "select_tool.h"
#include "websocket/ws_common.h"
#include "special_area.h"
#include "common_tool.h"
#include "tool_time.h"
#include "mine_business.h"
#include "loc_point.h"
#include "module_service/module_call.h"
#include "sys_setting.h"
#include "event.h"

car::car(const std::string&type,uint32_t cardid,uint16_t needdisplay,int16_t t,int32_t deptid,
		int32_t categoryid, int type_id,int32_t level_id,uint32_t cid)
	:card_location_base(type,cardid,needdisplay,t,deptid,level_id,cid)
	,m_vehicle_category_id(categoryid)
	 ,m_vehicle_type_id(type_id)
{
	m_message_handle.reset(new card_message_handle(this));
	m_speeds.set_capacity(30);
	//m_his_location_card.reset(new location_vehicle(m_id,m_type,cid));
}

car::~car(){}

std::shared_ptr<mine_tool> car::get_mine_tool()
{
	return m_mine_tool;
}
void car::set_area_info(int mapid,double scale,int areaid,uint64_t t,int type)
{
	m_area_tool->set_area_info(mapid, scale, areaid, *this, t, type);
}

/*
 *	@brief
 *		车辆业务
 *	@param
 *		const std::shared_ptr<site>& site		基站对象
 *		const point& pt							车辆定位坐标
 *		double acc								加速度值
 *	@return
 *		无
 *	@note
 *	@warning
 *	@bug
 * */
void car::do_business(const std::shared_ptr<site>&site,const point &pt,double acc)
{
	m_acc=acc;
	m_area_tool->on_point(shared_from_this(),pt);
	m_timeval = m_time;
	//handle_three_rates(pt);
    handle_traffic_light(pt, site->m_id);
    //if(m_enable_anti_collision){
    if(CYaSetting::m_sys_setting.m_enable_anti_coll){
        handle_anti_coll(pt, site->m_id);
    }
	uint64_t id=tool_other::type_id_to_u64(m_type,m_id);
	mine_business::inst()->make_arg(id,pt,m_time);

	//超速告警业务
	handle_over_speed();
}

/*
 *	@brief
 *		超速告警，频率为1hz，定位一秒一次；
 *		开始：连续30个定位点超过35km认为开始超速告警
 *		结束：连续10个定位点小于35km认为结束超速告警
 *	@param
 *		无
 *	@return
 *	@note
 *	@warning
 *	@bug
 * */
void car::handle_over_speed()
{
	// 超速告警，频率为1hz，定位一秒一次；
	// 开始：连续30个定位点超过35km认为开始超速告警
	// 结束：连续10个定位点小于35km认为结束超速告警			
	m_speeds.push_back(m_speed);

	if(m_speeds.size() < 30){
		return;
	}

	bool status = true;
	for(size_t i = 0;i < m_speeds.size();i++){
		if(m_speed < 35){
			status = false;
		}
	}

	if(status){
		// 产生告警
		event_tool::instance()->handle_event(OT_CARD, ET_CARD_OVER_SPEED, m_id, 0, 0, status);
	}

	status = true;
	for(size_t i = 20;i < m_speeds.size();i++){
		if(m_speed>35){
			status = false;
		}
	}
	if(status){
		// 结束告警
		event_tool::instance()->handle_event(OT_CARD, ET_CARD_OVER_SPEED, m_id, 0, 0, false);
	}	
}

int car::get_vehicle_type_id()
{
	return m_vehicle_type_id;
}

/*
 * @brief 
 *		车辆防碰撞判断
 *		车辆定位后，检查车辆附近（根据防碰撞的三个档位距离阈值）是否有人，有人则产生防碰撞告警
 *		如果车辆在距离最大档位内没人，则结束告警;
 *		以车为单位，通知web端,进入一档二档三挡会将三个档位每个档位有多少人通知web端,
 *		当人从一档变为二档也会将人档位的变化发送给web端；
 *		发送告警的级别会根据档位的变化动态变化；产生一条告警
 *		允许重复发送
 *		在本方法中实现上述逻辑；
 * @param
 *		const point& pt		车辆定位位置
 *		const int& sid		
 * @return
 *		无
 * @note
 * modified by zhuyf,2022-04-24
 * @warning
 * @bug
 * */
void car::handle_anti_coll(const point& pt, const int& sid)
{
    // 车卡下发最紧急的呼叫类型
    std::map<int, float> cd;    // 人卡与车卡的距离，key为人卡id，value为距离
    std::map<int, call_card> cards;
    auto tmp_cards = card_list::instance()->m_map; 

	log_info("[anti_coll] card'size = %d", tmp_cards.size());

    double min_d = 9999999.9;
    double cur_v = 0.0;
    for(auto k : CYaSetting::m_sys_setting.mp_anti_collision){
        //log_info("[anti_coll] key=%d, value=%.2f", k.first, k.second);
        for(auto& c : tmp_cards)
        {
			// 车卡不参与车车之间防碰撞
            if(c.second->m_type == CT_VEHICLE){
                continue;
            }
			// 司机卡不参与人车之间的防碰撞
			if(c.second->m_id>=9000&&c.second->m_id<=9999){
				continue;
			}

			// 避免历史定位数据的影响
			uint64_t now = time(0)*1000;
			if(m_time - now > 60){
				continue;
			}

            bool s = false;
            int d = (c.second->m_timeval >= m_timeval ? (c.second->m_timeval - m_timeval) : (m_timeval - c.second->m_timeval)) / 1000.0;
            s = ((c.second->m_timeval >= m_timeval ? (c.second->m_timeval - m_timeval) : (m_timeval - c.second->m_timeval)) /1000.0 <= 30);
            //float dist = pt.dist(*c.second);
			float dist = pt.dist(c.second->m_v_point);
			log_info("[anti_coll] vid=%d, pid=%d, dist=%.2f", m_id, c.second->m_id, dist);
            if(dist < k.second && s){
                int call_level = 5 - k.first;
                log_info("[anti_coll] distance=%.3f, level=%d, thre_value=%.3f, time_diff=%d", dist, call_level, k.second, d);
                
                if(min_d > k.second){
                    min_d = k.second;
                    cur_v = dist;
                }

                auto itc = cd.find(c.second->m_id);
                if(itc == cd.end()){
                    cd.insert(std::make_pair(c.second->m_id, dist));
                }else{
                    itc->second = dist;
                }

                auto it = cards.find(c.second->m_id);
                if(it != cards.end()){
                    if(c.second->m_call_level > call_level){
                        c.second->m_call_level = call_level;
                    }
                }else{
                    cards.insert(std::make_pair(c.second->m_id, call_card(c.second->m_id, c.second->m_type, call_level, CCT_CALL_APOINT, sid)));
                }
                log_info("[anti_coll] card_id=%d, ctype=%d, call_level=%d, call_type_id=%d, site_id=%d",c.second->m_id, c.second->m_type, call_level, CCT_CALL_APOINT, sid);
            }
        }
    }

    std::string desc = "";
	uint64_t id = tool_other::type_id_to_u64(m_type, m_id);
 	if(cards.size() == 0){
        // delete event from event_list
        event_tool::instance()->handle_event(OT_CARD, ET_PERSON_VEHICLE_ANTI_COLLISION, id, 0, 0, false);
    }else{
        size_t i = 0;
        for(auto c : cd)
        {
            desc += std::to_string(c.first);
            std::ostringstream buf;
            buf<<c.second;
            desc += "," + buf.str();
            if(i != (cards.size() - 1)){
                desc += ";";
            }
            ++i;
        }
        log_info("[anti_coll] the distance's list between person and vehicle : %s", desc.c_str());
		event_tool::instance()->handle_event(OT_CARD, ET_PERSON_VEHICLE_ANTI_COLLISION, id, min_d, cur_v, true, DT_COMMON, desc);
    }

    if(cards.size() > 0){
        // find the best emengency call
        int call_level = 6;
        for(auto c : cards){
            if(c.second.call_level_id < call_level){
                call_level = c.second.call_level_id;
            }
        }
        cards.insert(std::make_pair(m_id, call_card(m_id, 2, call_level, CCT_CALL_APOINT, sid)));
		module_call::instance()->send_anti_collision(cards);
    }else{
        //log_info("[anti_coll] no card trigger anti collision rules.");
        return;
    } 

    //module_call::instance()->send_anti_collision(cards);
}

/*
 * @brief       三率业务处理模块
 * @param       const point& pt     定位数据
 * @return      无
 * @note
 * @warning
 * @bug
 * */
void car::handle_three_rates(const point &pt)
{
	card_pos cp;
	m_biz_stat = get_stat();
	cp.biz_stat = m_biz_stat;
	cp.x = pt.x;
    cp.y = pt.y;
    cp.z = pt.z;	
	cp.map_id = m_area_tool->get_mapid();
	cp.vibration = m_acc;
	//put_three_rates(cp);
}

/*
 * @brief       红绿灯业务模块
 * @param       const point& p      定位数据
 * @param       const int& sid      分站id
 * @return      无
 * @note
 * @warning
 * @bug
 * */
void car::handle_traffic_light(const point& p, const int& sid)
{
    card_pos cp;
    cp.x = p.x;
    cp.y = p.y;
    cp.z = p.z;
    cp.biz_stat = get_stat();
    cp.map_id = m_area_tool->get_mapid();
    cp.vibration = m_acc;
    cp.reader_id = sid;
    put_traffic_light(cp);
}

void car::on_timer()
{
    if(!empty())
	    make_package();
}

int car::get_area()
{
	int status = m_biz_stat;
	int special_id = -1;
	if(status == STATUS_LOST)
	{
		special_id = special_area_list::instance()->get_special_id(m_id,*this,m_vehicle_category_id);
		log_info("enter_special_area:%.2f,%2.f,id:%d,special_area_id:%d",x,y,m_id,special_id);
	}
	return special_id;
}

void car::make_package()
{
	sys::_CARD_POS_ cp;
	loc_point pt = getSmoothPoint();
	cp.area_info = m_area_tool->m_area_info;	
	cp.map_id    = m_area_tool->get_mapid();

	cp.biz_stat  = get_stat();
	//cp.down_time = m_mine_tool->get_down_time();
	cp.work_time = m_mine_tool->get_work_time();
	cp.is_on_duty= m_mine_tool->is_on_duty();
    
    cp.down_time = m_last_point.x;
    cp.z         = m_last_point.y;
	
    upt_card_pos(cp, pt);

    uint64_t _now = tool_time::now_to_ms();
    pt.m_time = _now;
    make_his_location(pt.m_time, pt);
	uint64_t t = _now>m_timeval?_now-m_timeval:m_timeval-_now;
	if(t>10*1000)
	{
		m_area_tool->on_point(shared_from_this(),pt);
		m_biz_stat=get_stat();
	}
}

void car::get_card(bool f)
{
    if(f)
	    mine_business::inst()->put(shared_from_this());
}

loc_point car::getSmoothPoint()
{
	loc_point lp = m_smo_tool->smooth_strategy();
	m_speed = lp.m_speed;
	m_stat  = lp.m_stat;
	lp.y = -lp.y;
	return lp;
}