hgpsagent.h

在Linux下做的QuadTree的程序

#ifndef _HGPSAgent_h
#define _HGPSAgent_h

#include <stdarg.h>

#include <object.h>
#include <agent.h>
#include <trace.h>
#include <packet.h>
#include <random.h>
#include <cmu/priqueue.h>
#include <cmu/cmu-trace.h>
#include <cmu/mac.h>
#include "hdr_hgps.h"
#include "hgpsrouter.h"
#include "locserver.h"


#define BUFFER_CHECK 0.03
#define HGPS_IP_DEF_TTL 16
#define SEND_BUF_SIZE 80
#define ARP_TIMEOUT 30.0e-3
#define SEND_TIMEOUT 30.0
#define CACHE_TIMEOUT 10.2
class HGPSAgent;

struct HGPSSendBufEntry{
    double t;
    Packet *p;
};

class HGPSSendBufferTimer : public TimerHandler {
    public:
	HGPSSendBufferTimer(HGPSAgent *a): TimerHandler() { a_ = a;}
	void expire(Event *e);
    protected:
	HGPSAgent *a_;
};

class HGPSSleepHandler : public Handler {
    public:
	HGPSSleepHandler(HGPSAgent *a): Handler() { a_ = a;}
	void handle(Event *e);
    protected:
	HGPSAgent *a_;
};


class HGPSAgent : public Agent{

    public:
	virtual int command(int argc, const char*const* argv);
	virtual void recv(Packet*, Handler* callback =0);

	void startUp();
	void sleep();

	void Terminate();
	void forwardHGPSPkt(Packet *p);
	void handlePktWithoutLoc(Packet *& p,bool retry);
	void handlePktReceipt(Packet *p);
	void notifyLocation(nsaddr_t id, location loc);
	void stickPacketInSendBuffer(Packet *p);
	void dropSendBuff(Packet *& p);
	void sendBufferCheck();
	void trace(char *fmt, ...);


	HGPSAgent();
	~HGPSAgent();

	double wakeup_time;
	bool asleep;

	int update_distance_;
	PriQueue *ifq;
    protected:
	HGPSRouter *router;
	LocServer *locserver;

    private:
	Trace *logtarget;
	Event *sleepevent;
	HGPSSleepHandler *sleephandler;

	int off_mac_;
	int off_ll_;
	int off_ip_;
	int off_hgps_;
	int verbose_;



	nsaddr_t myaddr_;
	NsObject *ll;
	LL *real_ll;

	HGPSSendBufEntry send_buf[SEND_BUF_SIZE];
	HGPSSendBufferTimer send_buf_timer;
    
	friend class HGPSRouter;
	friend class LocServer;
	friend class LocServerTriggerHandler;
};

#endif