globalmanager.h

组播密钥的批次更新算法

#pragma once

#include "Node.h"
#include "binaryTree.h"
#include "Encryptor.h"
#include "keyGenerator.h"
#include "StatisticManager.h"

class CGlobalManager
{
protected:
	CBinaryTree& m_tree;
	CKeyGenerator& m_keyGenerator;
	CEncryptor& m_encryptor;
	CStatisticManager m_statisticManager;
	
	int m_respondCount;
	double m_avgEncrypedTimes;
	void UpdateAncestors(CNode* node);
	void UpdateDescendants(CNode* subRoot);
	void UpdateLeafKeys(CNode* leaf);
public:
	CGlobalManager(CBinaryTree& tree,CKeyGenerator& kg,CEncryptor& encryptor);
	virtual ~CGlobalManager(void);
	CNode* InsertLeaf(void);
	bool DeleteLeaf(int nodeID,bool UpdateKeysRightNow=true);
	void AddMember(unsigned int time=0);
	void RemoveMember(int nodeID,unsigned int time=0);
	void Respond(void);
	double GetAverageWaitedTime(void);
	void ResetStatist(void);
	double GetTotalAverageWaitedTime(void);
	void ResetEncrypedTimes();
	double GetAverageEncrypedTimes();
	int GetTotalRespondCounts(void);
};