wimedia_pnc.h

ns2.31下的UWB（Ultra WideBand）实现

#ifndef WiMedia_PNC_H
#define WiMedia_PNC_H

#include <mac.h>
#include "WiMedia.h"
#include "WiMedia_defs.h"
#include "mac-timers2.h"

struct PNCFlowInfo {
	// Main 3 parameters. ust be set by the scheduler...
	int flow_id_;
	int dev_id_;
	int alloc_;

	// Used to generate idle time distribution statistics
	int idle_time_used_;
	
	// Optional parameters to support different scheduling algorithms
	int bw_;	// bandwidth
	int util_;	// minimum utilization guaranteed
	int budget_;
	int budget_used_;	
	int qs_;	// only thsi is in terms of pkt size
	int overload_;
	bool budget_exhausted;
	bool IAmStatisfied;
	
	TrafficType traffic_type_;
	MacACKType ack_type_;
	int max_ack_;
	
	// CBS Specific
	double q_deadline_;
	double period_;
};

enum PNCType {
	PNC_None, PNC_802_15_3, PNC_802_11
};

class IPNCScheduler {
public:
	virtual void StartBeaconing(BeaconTimer2 *beaconTimer) = 0;
	virtual void OnBeaconTimer(BeaconTimer2 *beaconTimer) = 0;
	virtual int ExecuteCommand(int argc, const char* const* argv) = 0;
	virtual void ProcessPacket(Packet *p) = 0;
	
	virtual void PrintTitle() = 0;
};

class PNC {
public:
	PNC(Mac_WiMedia *mac, MacMib *macmib);
	~PNC();
	
	void SetPNCType(PNCType type);	
	void SetScheduler(const char* name);
	void AddNode(int dev_id);
	void StartBeaconing(BeaconTimer2 * beaconTimer);
	void OnBeaconTimer(BeaconTimer2 *beaconTimer);
	void StartPolling(int sf_size, BeaconTimer2 *beaconTimer);

	void ProcessPacket(Packet *p);
	
	int ExecuteCommand(int argc, const char*const* argv);
	
	void UpdateGroupPollingBeacon(int aFirstGTSGap);
	void SetPNCSchedule();
	void PrintTitle();

public:
	Mac_WiMedia *mac_;
	MacMib	*macmib_;
	Packet *pktBeacon_;

	// set to false by PNC if standard 802.15.3 mode is selected
	bool	enhanced_mode_;
	// total number of flows scheduled in the current superframe
	int flow_count_;
	PNCFlowInfo flow_info_[MAX_FLOWS];

protected:
	IPNCScheduler *scheduler_;
	PNCType type_;
};

#endif