/*
 * CBtree.h
 *
 *  Created on: 2012-3-5
 *      Author: liyouhuan
 */

#ifndef CBTREEH_H_
#define CBTREEH_H_


#include<iostream>
#include<stdlib.h>
#include<stdio.h>
#include<string.h>
#include<time.h>

#include<unistd.h>
#include<sys/types.h>
#include<sys/stat.h>

#include<vector>
#include<queue>
#include<stack>
#include<set>

#define BLOCKSIZE		(1 << 14)/* 16K */
#define ORDER_V         128                     /* 为简单起见，把v固定为2，实际的B+树v值应该是可配的 */
#define MAXNUM_KEY      (ORDER_V * 2)       /* 内部结点中最多键个数，为2v ( 1~2v )*/
#define MAXNUM_POINTER  (ORDER_V * 2 + 1)       /* 内部结点中最多指向子树的指针个数，为2v ( 1~2v )*/
#define MAXNUM_DATA     (ORDER_V * 2 + 1)       /* 结点中用作定义，为2v ( 1~2v )*/
#define TERM_NUMBER		1

#define FLAG_LEFT		5
#define FLAG_RIGHT		6
#define FLAG_ZERO		7
#define FLAG_NO_ZERO	8

#define nFlush1 2500000
#define nFlush2 2000000
#define nFlush3 1500000
#define nFlush4 1000000
#define level1	6000000
#define level2	4000000



using namespace std;

enum NODE_TYPE
{
    NODE_TYPE_INTERNAL = 2,    // 内部结点
    NODE_TYPE_LEAF     = 3,    // 叶子结点
};
enum eletype
{
	B_CHARARRAY = 1,
	B_INTEGER   = 4,
};
extern eletype _eletype;
extern int _ii;
extern string filePath_o2sID;
extern string filePath_opID2sID;
extern string filePath_s2sID;
extern string filePath_sID2s;
extern int myStrcmp(char _str1[], int len1, char _str2[], int len2);
extern FILE * _log_btree;

class KeyType
{
public:
	int _num_insert;
	bool 	is_AtMem;
	char*	sKey;
	int 	iKey;
	int		mLenKey;    //关于是否读入\n的试验
	KeyType()
	{
		KeyType_Initial();
	}
	KeyType(KeyType & a)
	{
		_num_insert = a._num_insert;
		iKey = a.iKey;
		mLenKey = a.mLenKey;
		is_AtMem = a.is_AtMem;
		this ->set_sKey(a.sKey, a.mLenKey);
	}
	void KeyType_Initial()
	{
		sKey = NULL;
		iKey = -1;
		mLenKey = -1;
		is_AtMem = false;
		_num_insert = -1;
	}
	~KeyType()
	{
		clear_skey();
	}
	void clear_skey()
	{
		if(sKey != NULL)
		{
			delete [] sKey;
			sKey = NULL;
		}
	}


	void set_sKey(const char * _str, int kLen)
	{
		if(_str == NULL)
		{
			sKey = NULL;
			mLenKey = 0;
			return;
		}
		if(sKey != NULL)
		{
			delete [] sKey;
			sKey = NULL;
		}
		mLenKey = kLen;
		sKey = new char[mLenKey + 1];
		memcpy(sKey, _str, mLenKey);
		sKey[mLenKey] = '\0';
	}
	void set_iKey(int _i)
	{
		mLenKey = 4;
		iKey = _i;
	}

	void RandInputKey(int _i)
	{
		if(_eletype == B_CHARARRAY)
		{
			char _c_key[100] = "a";
			int _input_key = rand() % 100000;
			_input_key += _i * 3;
			char _i_to_s[100] = "";
			sprintf(_i_to_s, "%d", _input_key);
			strcat(_c_key, _i_to_s);
			mLenKey = (int)strlen(_c_key);
			sKey = new char[mLenKey + 1];
			strcpy(sKey, _c_key);
			sKey[mLenKey] = '\0';
		}
		else
		{
			iKey = _i;
			mLenKey = 4;
		}
	}
	void HandInputKey()
	{
		if(_eletype == B_CHARARRAY)
		{
			cout << "input the key_string" << endl;
			char _c_key[1000];
			gets(_c_key);
			gets(_c_key);
			mLenKey = (int)strlen(_c_key);
			sKey = new char[mLenKey + 1];
			strcpy(sKey, _c_key);
			sKey[mLenKey] = '\0';
		}
		else
		{
			cout << "input the key_integer" << endl;
			int _input_key = 0;
			scanf("%d", &_input_key);
			iKey = _input_key;
			mLenKey = 4;
		}
	}

	void ReadKey(FILE * fp);

	void WriteKey(FILE * fp);
    /*
     * 合适的功能函数
     */
	int WriteSize()
	{
		int size_mLenKey = sizeof(mLenKey);
		int size_Key = 4;
		if(_eletype == B_CHARARRAY)
		{
			size_Key = (mLenKey + 1) * sizeof(char);
		}
		else
		if(_eletype == B_INTEGER)
		{
			size_Key = sizeof(int);
		}
		else
		{
			printf("err in writesize of keytype\n");
			system("pause"); exit(0);
		}
		return size_mLenKey + size_Key;
	}

	void PrintKey()
	{
		if(_eletype == B_CHARARRAY)
		{
			printf("[%s,%d]", sKey, this ->mLenKey);
		}
		else
		if(_eletype == B_INTEGER)
		{
			printf("%d", iKey);
		}
		else
		{
			printf("bug in pk\n");
			system("pause"); exit(0);
		}
	}
	bool Gt(const KeyType & a)const
	{
		if(_eletype == B_CHARARRAY)
		{
			if(myStrcmp(sKey, mLenKey, a.sKey, a.mLenKey) > 0)
				return true;
			return false;
		}
		else
		if(_eletype == B_INTEGER)
		{
			if(iKey > a.iKey)
				return true;
			return false;
		}
		else
		{
			printf("err in gt\n");
			system("pause"); exit(0);
		}
		return true;
	}

	bool Lt(const KeyType & a)const
	{
		if(_eletype == B_CHARARRAY)
		{
			if(myStrcmp(sKey, mLenKey, a.sKey, a.mLenKey) < 0)
				return true;
			return false;
		}
		else
		if(_eletype == B_INTEGER)
		{
			if(iKey < a.iKey)
				return true;
			return false;
		}
		else
		{
			printf("err in gt\n");
			system("pause"); exit(0);
		}
		return true;
	}

	bool Eq(const KeyType & a)const
	{
		if(_eletype == B_CHARARRAY)
		{
			if(myStrcmp(sKey, mLenKey, a.sKey, a.mLenKey) == 0)
				return true;
			return false;
		}
		else
		if(_eletype == B_INTEGER)
		{
			if(iKey == a.iKey)
				return true;
			return false;
		}
		else
		{
			printf("err in gt\n");
			system("pause"); exit(0);
		}
		return true;
	}

	bool operator >(const KeyType & a)const
	{
		return Gt(a);
	}

	bool operator >=(const KeyType & a)const
	{
		return Gt(a) || Eq(a);
	}

	bool operator <(const KeyType & a)const
	{
		return Lt(a);
	}

	bool operator <=(const KeyType & a)const
	{
		return Lt(a) || Eq(a);
	}

	bool operator ==(const KeyType & a)const
	{
		return Eq(a);
	}

	KeyType & operator = (const KeyType & a)
	{
		_num_insert = a._num_insert;
		iKey = a.iKey;
		mLenKey = a.mLenKey;
		is_AtMem = a.is_AtMem;
		this ->set_sKey(a.sKey, a.mLenKey);
		return * this;
	}


};
extern KeyType KeyNULL;



class mBlockLink
{
public:
	long long int preBlockAddr;
	long long int nextBlockAddr;
	void mBlockLink_Initial()
	{
		preBlockAddr = -1;
		nextBlockAddr = -1;
	}
	mBlockLink & operator=(mBlockLink & a)
	{
		preBlockAddr = a.preBlockAddr;
		nextBlockAddr = a.nextBlockAddr;
		return *this;
	}
	mBlockLink()
	{

	}
	mBlockLink(mBlockLink & a)
	{
		preBlockAddr = a.preBlockAddr;
		nextBlockAddr = a.nextBlockAddr;
	}
};


class mValue
{
public:
	char * Term[TERM_NUMBER];
	int lenTerm[TERM_NUMBER];
	~mValue()
	{
		for(int i = 0; i < TERM_NUMBER; i ++)
		{
			if(Term[i] != NULL)
			{
				delete [] Term[i];
				Term[i] = NULL;
			}
		}
	}
	void mValue_Initial()
	{
		for(int i = 0; i < TERM_NUMBER; i ++)
		{
			if(Term[i] != NULL)
			{
				cout << "term mem lost" << endl;
				system("pause");
				system("pause"); exit(0);
			}
			Term[i] = NULL;
			lenTerm[i] = 0;
		}
	}

	void getValInteger(vector<int> & nodeSet)
	{
		{//for one order 
			/*
			int _tag = 0;
			int i_size = sizeof(int);
			while(_tag + i_size <= lenTerm[0])
			{
				int _val = *( (int*)(Term[0]+_tag) );
				nodeSet.push_back(_val);
				_tag += 5;
			}
			*/
		}
		{//for the other order
			int _tag = lenTerm[0];
			int i_size = sizeof(int);
			while(_tag - i_size >= 0)
			{
				int _val = *( (int*)(Term[0]+_tag - i_size) );
				nodeSet.push_back(_val);
				_tag -= 5;
			}
		}
		return;
	}

	void iPrintval(int _i)
	{
		if(_i < 0 || _i > TERM_NUMBER - 1)
		{
			cout << "bug ipval" << endl;
			system("pause"); exit(0);
		}
		if(Term[_i] == NULL)
		{
			cout << "bug ipvalt" << endl;
			system("pause"); exit(0);
		}
		cout << Term[_i] << endl;
	}
//think
	mValue & operator=(const mValue & a)
	{
		for(int i = 0; i < TERM_NUMBER; i ++)
		{
			lenTerm[i] = a.lenTerm[i];
			if(Term[i] != NULL)
			{
				delete [] Term[i];
				Term[i] = NULL;
			}
			Term[i] = new char[lenTerm[i] + 1];
			memcpy(Term[i], a.Term[i], lenTerm[i] + 1);
		}
		return *this;
	}
	mValue()
	{
		for(int i = 0; i < TERM_NUMBER; i ++)
		{
			Term[i] = NULL;
			lenTerm[i] = 0;
		}
	}
//	think
	mValue(mValue & a)
	{
		for(int i = 0; i < TERM_NUMBER; i ++)
		{
			lenTerm[i] = a.lenTerm[i];
			if(Term[i] != NULL)
			{
				delete [] Term[i];
				Term[i] = NULL;
			}
			Term[i] = new char[lenTerm[i] + 1];
			memcpy(Term[i], a.Term[i], lenTerm[i] + 1);
		}
	}


	void set_iVal(int _i, const char * _str, int _str_len)
	{
		if(_i < 0 || _i > TERM_NUMBER - 1)
		{
			cout << "bug setival" << endl;
			system("pause"); exit(0);
		}
		if(Term[_i] != NULL)
		{
			delete [] Term[_i];
			Term[_i] = NULL;
		}

		Term[_i] = new char[_str_len + 1];
		memcpy(Term[_i], _str, _str_len + 1);
		lenTerm[_i] = _str_len;

		Term[_i][ lenTerm[_i] ] = '\0';

	}

	bool delete_iVal(int _i, char * del_str, int & flag)
	{
		if(_i < 0 || _i > TERM_NUMBER - 1)
		{
			cout << "bug setival" << endl;
			system("pause"); exit(0);
		}
		if(Term[_i] == NULL)
		{
			cout << "bug addival" << endl;
			system("pause"); exit(0);
		}

		int _tag = 0;
		int i_size = sizeof(int);
		while(_tag + i_size <= lenTerm[0])
		{
			if(del_str[0] == Term[0][_tag] && del_str[1] == Term[0][_tag + 1] && del_str[2] == Term[0][_tag + 2]
					&& del_str[3] == Term[0][_tag + 3])
						break;
			_tag += 5;
		}
		if(_tag + i_size > lenTerm[0])
		{
			flag = FLAG_NO_ZERO;
			return false;
		}

		if(_tag + i_size == lenTerm[0])
		{
			Term[0][_tag] = '\0';
			lenTerm[0] -= sizeof(int) + sizeof(char);
			//只有一个元素时很特殊， 长度是减少4， 其余减少5
			if(lenTerm[0] <= 0) flag = FLAG_ZERO;
			else				flag = FLAG_NO_ZERO;
			return true;
		}


		for(int i = _tag; i + i_size < lenTerm[0]; i ++)
		{
			Term[0][i] = Term[0][i + i_size + 1];
		}
		lenTerm[0] -= sizeof(int) + sizeof(char);
		flag = FLAG_NO_ZERO;
		return true;
	}

	void add_iVal(int _i, const char *add_str)
	{
		if(_i < 0 || _i > TERM_NUMBER - 1)
		{
			cout << "bug setival" << endl;
			system("pause"); exit(0);
		}
		if(Term[_i] == NULL)
		{
			cout << "bug addival" << endl;
			system("pause"); exit(0);
		}
		char * _tmp_term_i = NULL;


		int _tag = 0;
		int i_size = sizeof(int);
		while(_tag + i_size <= lenTerm[0])
		{
			if(add_str[0] == Term[0][_tag] && add_str[1] == Term[0][_tag + 1] && add_str[2] == Term[0][_tag + 2]
					&& add_str[3] == Term[0][_tag + 3])
						return;
			_tag += 5;
		}

		int newLen = sizeof(int) + sizeof(char) + lenTerm[_i];

		_tmp_term_i = new char[ newLen + 1];

		memcpy(_tmp_term_i, add_str, 4 + 1);
		_tmp_term_i[4] = '	';
		memcpy(_tmp_term_i + 5, Term[_i], lenTerm[_i] + 1);
		lenTerm[0] = newLen;
		_tmp_term_i[ lenTerm[_i] ] = '\0';

		if(Term[_i] != NULL)
		{
			delete [] Term[_i];
			Term[_i] = NULL;
		}
		else
		{
			cout << "bug term" << endl;
			system("pause");
			exit(0);
		}
		Term[_i] = _tmp_term_i;
	}
	void InputVal()
	{
		char _input_str[1000] = "helloworld";
		for(int i = 0;  i < TERM_NUMBER; i ++)
		{
			lenTerm[i] = (int)strlen(_input_str);
			Term[i] = new char[lenTerm[i] + 1];
			strcpy(Term[i], _input_str);
			Term[i][ lenTerm[i] ] = '\0';
		}
	}

	void FputVal(FILE * fp)
	{

	}
	void ReadVal(FILE * fp);
	void WriteVal(FILE * fp);
	int WriteSize()
	{
		int _sum_size = 0;
		for(int i = 0; i < TERM_NUMBER; i ++)
		{
			_sum_size += lenTerm[i] + 1;
		}
		_sum_size += TERM_NUMBER * (sizeof(int));
		return _sum_size;
	}
	void PrintVal()
	{
		for(int i = 0; i < TERM_NUMBER; i ++)
		{
			if(Term[i] != NULL)
				printf("%s == ", Term[i]);
			cout << "len = " << lenTerm[i] << endl;
		}
	}
};

class mQueue
{
public:
//	static const int qLenth = 5243005; /* 5*1024*1024 */
    static const int qLenth = 20971520; /* 20*1024*1024 */
	int qUsed;
	bool qAvailable[mQueue::qLenth];

public:
	mQueue()
	{
		Initial();
	}

	void Initial()
	{
		qAvailable[0] = false;
		qUsed = 1;
		for(int i = 1; i < mQueue::qLenth; i ++)
		{
			qAvailable[i] = true;
		}
	}

	void Push(long long int _iq)
	{
		if(_iq % BLOCKSIZE != 0)
		{
			printf("bug in _iq\n");
			system("pause"); exit(0);
		}
		_iq /= BLOCKSIZE;
		if(qAvailable[_iq] || _iq >= mQueue::qLenth)// for check
		{
			printf("err in queue_insert: qLenth = %d\n", mQueue::qLenth);
			_iq %= mQueue::qLenth;
		}
//		cout << "block back: " << (_iq * BLOCKSIZE) << endl;
		qAvailable[_iq] = true;
		qUsed --;
	}

	void MulPush(long long int _iq[], int _qlen)
	{
		for(int i = 0; i < _qlen; i ++)
		{
			Push(_iq[i]);
		}
	}

	void MulPush(const vector<long long int>& _back_vec){
		vector<long long int>::const_iterator citr;
		for(citr = _back_vec.begin(); citr != _back_vec.end(); citr++){
			this ->Push(*citr);
		}
	}

	long long int Pop()
	{
		for(int i = 0; i < mQueue::qLenth; i ++)
		{
			if(qAvailable[i])
			{
				long long int lli_tmp = i;
				lli_tmp = lli_tmp * BLOCKSIZE;
//				cout << "block out: " << (lli_tmp) << endl;
				qAvailable[i] = false;
				qUsed ++;
				return lli_tmp;
			}
		}
		printf("err in queue_pop\n");
		system("pause"); exit(0);
	}

	void ReadQueue(char * _queuefile)
	{
		FILE * fp;
		if((fp = fopen(_queuefile, "rb+")) == NULL)
		{
			printf("err in open r_queuefile\n");
			system("pause"); exit(0);
		}
		else
		{
			fread(&qUsed, sizeof(int), 1, fp);
			fread(qAvailable, sizeof(bool), mQueue::qLenth, fp);
//			printf("qLenth = %d\n", qLenth);
		}
		fclose(fp);
	}

	void WriteQueue(char * _queuefile)
	{
		FILE * fp;
		if((fp = fopen(_queuefile, "wb+")) == NULL)
		{
			printf("err in open w_queuefile\n");
			system("pause"); exit(0);
			return;
		}
		else
		{
			fwrite(&qUsed, sizeof(int), 1, fp);
			fwrite(qAvailable, sizeof(bool), mQueue::qLenth, fp);
		}
		fclose(fp);
	}

	int BlockUsed()
	{
		return qUsed;
	}

};

class mLeafNode;
class mItnlNode;
class BPlusTree;

class mNode
{
public:

	void mNode_Initial()
	{
		Modify = true;						Count = 0;
		AddrFB = -1;						mFather = NULL;
	}
	virtual ~mNode()					{					}

	void setModify()					{	Modify = true;	}
	bool getModify()					{	return Modify;	}
	void unModify()						{	Modify = false;	}
	int getCount()						{	return Count;	}
	void setCount(int _count)			{	Count = _count;	}
	void IncCount()						{	Count ++;		}
	void DecCount()						{	Count --;		}
	long long int getAddrFB()			{	return AddrFB;	}
	void setAddrFB(long long int _addrfb){AddrFB = _addrfb;	}
	NODE_TYPE getType()					{	return Type;	}
	void setType(NODE_TYPE _type)		{	Type = _type;	}
	mNode * getFather()					{	return mFather;	}
	void 	setFather(mNode * _mpather)	{mFather = _mpather;}
	virtual mNode * getPointer(int _i)	{	return NULL;	}
	virtual void 	setPointer(int _i, mNode * _mnode)	{ 	}
	virtual bool 	isInMemory(int _i)	{	return false;	}
	virtual void 	setMemory(int _i)	{					}
	virtual int 	iInsert(KeyType & _keytype) {return 0;	}
	virtual KeyType	& getKey(int _i)		{	return KeyNULL;	}
	virtual void 	setKey(int _i, KeyType &_keytype){		}
	virtual void 	printNode()			{	return;			}

	mNode * getBrother(int & flag)
	{
		mNode * _pFather = this ->getFather();
		if(_pFather == NULL) return NULL;

		mNode * _pBrother = NULL;
		for(int i = 1; i <= _pFather ->getCount(); i ++)
		{
			//ָ��ƥ��
			if(_pFather ->getPointer(i) == this)
			{
				if(i == (_pFather ->getCount()) + 1)
				{
					flag = FLAG_LEFT;
					_pBrother = _pFather ->getPointer(i - 1);
				}
				else
				{
					flag = FLAG_RIGHT;
					_pBrother = _pFather ->getPointer(i + 1);
				}
				break;
			}
		}
		if(_pBrother == NULL)
		{
			cout << "bug run here" << endl;
		}
		return _pBrother;
	}

	mItnlNode * ifordebug;
	mLeafNode * lfordebug;

private:
	int Count;
	long long int AddrFB;
	bool Modify;
	NODE_TYPE Type;
	mNode * mFather;
};


class mitnldata
{
public:

	KeyType mKey;
	mNode *	mPointer;
	long long int 	mAddr_sonFB;

	void mitnldata_Initial()
	{
		mKey.KeyType_Initial();
		mPointer = NULL;
		mAddr_sonFB = -1;
	}

	mitnldata & operator=(mitnldata & a)
	{
		mKey = a.mKey;
		mPointer = a.mPointer;
		mAddr_sonFB = a.mAddr_sonFB;
		return *this;
	}
	void cleardata()
	{
		mKey.clear_skey();
	}
	~mitnldata()
	{
	}

	mitnldata()	{}
	mitnldata(mitnldata & a)
	{
		mKey = a.mKey;
		mPointer = a.mPointer;
		mAddr_sonFB = a.mAddr_sonFB;
	}

	bool operator >(const mitnldata & a)	{		return mKey > a.mKey;	}
	bool operator <(const mitnldata & a)	{		return mKey < a.mKey;	}

	void Hand_inputkey()					{		mKey.HandInputKey();	}
	void Rand_inputkey(int _i)				{		mKey.RandInputKey(_i);	}

	void Read_mitnldata(FILE * fp);
	bool Write_mitnldata( FILE * fp, int & _size_left );
};

class mItnlNode : public mNode
{
public:

	mitnldata ItnlData[MAXNUM_DATA];
	mItnlNode()
	{
		mNode_Initial();
		ifordebug = this;
		lfordebug = NULL;
		setType(NODE_TYPE_INTERNAL);
		for(int i = 0; i <= MAXNUM_KEY; i ++)
		{
			ItnlData[i].mitnldata_Initial();
		}
	}
	~mItnlNode()
	{
	}

	KeyType & getKey(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			return ItnlData[_i].mKey;
		}
		else
		{
			printf("err in getkey\n");
			system("pause"); exit(0);
		}
		return KeyNULL;
	}
	void setKey(int _i, const KeyType &_keytype)
	{
		if(_i > 0 && _i <= MAXNUM_KEY )
		{
			ItnlData[_i].mKey = _keytype;
		}
		else
		{
			printf("err in setkey\n");
			system("pause"); exit(0);
		}
		return;
	}

	mitnldata &	getElement(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			return ItnlData[_i];
		}
		else
		{
			printf("err in getele\n");
			system("pause"); exit(0);
		}
		return ItnlData[0];
	}

	void setElement(int _i, mitnldata & _itnldata)
	{
		if(_i > 0 && _i <= MAXNUM_KEY)
		{
			ItnlData[_i] = _itnldata;
		}
		else
		{
			printf("err in setele\n");
			system("pause"); exit(0);
		}
	}

	mNode * getPointer(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			return ItnlData[_i].mPointer;
		}
		else
		{
			printf("err in getpointer\n");
			system("pause"); exit(0);
		}
		return NULL;
	}

	void setPointer(int _i, mNode * _mpointer)
	{
		if(_i > 0 && _i <= MAXNUM_POINTER)
		{
			ItnlData[_i].mPointer = _mpointer;
//			setFather !!!!!
			_mpointer ->setFather(this);
		}
		else
		{
			printf("err in setpointer\n");
			system("pause"); exit(0);
		}
	}

	//此函数需仔细考虑~~！！
	int iExist(const KeyType &_keytype)
	{
		int _ibegin = 1, _iend = getCount();
		int _imiddle;
		while(_ibegin < _iend)
		{
			_imiddle = (_ibegin + _iend) / 2;
			if(ItnlData[_ibegin].mKey == _keytype)
			{
				return _ibegin;
			}
			if(ItnlData[_iend].mKey == _keytype)
			{
				return _iend;
			}

			if(_ibegin == _iend - 1) return -1;
			// 后加可能有风险

			if(ItnlData[_imiddle].mKey > _keytype)
			{
				_iend = _imiddle;
			}
			else
			{
				_ibegin = _imiddle;
			}
		}
		return -1;
	}

	int iInsert(const KeyType & _keytype)
	{
		int _ibegin = 1, _iend = getCount();
		int _imiddle;
		while(_ibegin < _iend)
		{
			_imiddle = (_ibegin + _iend) / 2;
			if(ItnlData[_iend].mKey < _keytype)
			{
				return _iend + 1;
			}
			if(ItnlData[_ibegin].mKey < _keytype && ItnlData[_ibegin + 1].mKey > _keytype)
			{
				return _ibegin + 1;
			}
			if(ItnlData[_imiddle].mKey > _keytype)
			{
				_iend = _imiddle;
			}
			else
			{
				_ibegin = _imiddle;
			}
		}
		return -1;
	}
	int iNextFloor(const KeyType & _keytype)
	{
		int _ibegin, _iend, _imiddle;
		_ibegin = 1;
		_iend = getCount();

		if(ItnlData[_ibegin].mKey > _keytype)
		{
//			printf("less than _ibegin\n");
			return -1;
		}

		while(_ibegin < _iend)
		{
			_imiddle = (_ibegin + _iend) / 2;
			if(ItnlData[_iend].mKey <= _keytype)
			{
				return _iend;
			}
			if(ItnlData[_ibegin].mKey <= _keytype && ItnlData[_ibegin + 1].mKey > _keytype)
			{
				return _ibegin;
			}
			if(ItnlData[_imiddle].mKey > _keytype)
			{
				_iend = _imiddle;
			}
			else
			{
				_ibegin = _imiddle;
			}
		}
		return -1;
	}
	bool isInMemory(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			if(ItnlData[_i].mKey.is_AtMem)
				return true;
			else
				return false;
		}
		else
		{
			printf("err in isinmemeory\n");
			system("pause"); exit(0);
		}
	}
	void setMemory(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			ItnlData[_i].mKey.is_AtMem = true;
		}
		else
		{
			printf("err in setmemeory\n");
			system("pause"); exit(0);
		}
	}

	long long int getSonAddr(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			return ItnlData[_i].mAddr_sonFB;
		}
		else
		{
			printf("err in getsonaddr\n");
			system("pause"); exit(0);
		}
	}
	void setSonAddr(int _i, long long int _addr_son)
	{
		if(_i > 0 && _i <= MAXNUM_KEY)
		{
			ItnlData[_i].mAddr_sonFB = _addr_son;
		}
		else
		{
			printf("err in getsonaddr\n");
			system("pause"); exit(0);
		}
	}

	void printNode()
	{
		printf("  ==  ");
		for(int i = 1; i <= getCount(); i ++)
		{
			ItnlData[i].mKey.PrintKey();
			printf("  ");
		}
		printf("  ==  ");
	}

    // 插入键
//  最左端递归向上
    bool Insert(mNode* _pmnode);
    // 删除键
    int Delete(const KeyType & _keytype);
    // 分裂结点
    KeyType & Split(mItnlNode* _mitnlnode);
    // 结合结点
    bool Combine(mItnlNode * _pmnode);
    // 从另一结点移一个元素到本结点
    bool MoveOneElement(mNode * _pmnode);

};


class mleafdata
{
public:
	KeyType mData;
	mValue * pVal;
	void mleafdata_Initial()
	{
		if(mData.sKey != NULL || pVal != NULL)
		{
			cout << "mem lost" << endl;
			system("pause");
			system("pause"); exit(0);
		}
		mData.KeyType_Initial();
		pVal = NULL;
	}


	~mleafdata()
	{
		cleardata();
	}
	mleafdata()
	{
		mData.KeyType_Initial();
		pVal = NULL;
	}

	void cleardata()
	{
		if(pVal != NULL)
		{
			delete pVal;
			pVal = NULL;
		}
		mData.clear_skey();
	}

	void assign_val_ptr(mleafdata & a)
	{
		this->pVal = a.pVal;
	}

//	think
	mleafdata & operator = (const mleafdata & a)
	{
		mData = a.mData;
		if(pVal != NULL)
		{
			delete pVal;
			pVal = NULL;
		}
		pVal = new mValue;
		pVal ->mValue_Initial();
		*pVal = *(a.pVal);
		return * this;
	}

	void SubIDPrint()
	{
		mData.PrintKey();
		cout << " k 2 v " << endl;
		vector<int> nSet;
		pVal ->getValInteger(nSet);
		for(unsigned int i = 0; i < nSet.size(); i ++)
		{
			cout << nSet[i] << " ";
			if(i % 50 == 0) cout << endl;
		}
	}
	void PrintLeafdata()
	{
		mData.PrintKey();
		cout << " k2v ";
		pVal ->PrintVal();
	}
	void fPrintLeafdata(FILE *fp)
	{
		char * skey = mData.sKey;
		char * sterm = pVal ->Term[0];
		fprintf(fp, "%s\n\n\n", skey);
		fprintf(fp, "%s\n\n\n", sterm);
		return;
	}

	void iPrintdata(int _i)
	{
		pVal ->iPrintval(_i);
	}

	void getdataInteger(vector<int> & nodeSet)
	{
		if(pVal == NULL)
		{
			cout << "bug pval" << endl;
			system("pause"); exit(0);
		}
		pVal ->getValInteger(nodeSet);
	}

	void fputLeafdata(FILE * fp)
	{
		char _str[5][100];
		char _latter[500];
		int _ikey = 0;
		if(pVal != NULL)
		{
			delete pVal;
			pVal = NULL;
		}
		pVal = new mValue;
		pVal ->mValue_Initial();
		if(_eletype == B_CHARARRAY)
		{
			fprintf(fp, "%s	%s	%s	%s	%s		", _str[0], _str[1], _str[2], _str[3], _str[4]);
			fgets(_latter, 500, fp);
			mData.set_sKey(_str[0], (int)strlen(_str[0]));
			for(int i = 0; i <= 3; i ++)	pVal ->set_iVal(i, _str[i + 1], (int)strlen(_str[i + 1]));
			pVal ->set_iVal(4, _latter, (int)strlen(_latter));
		}
		else
		if(_eletype == B_INTEGER)
		{
			fprintf(fp, "%d	%s	%s	%s	%s		", _ikey, _str[1], _str[2], _str[3], _str[4]);
			fgets(_latter, 500, fp);
			mData.set_iKey(_ikey);
			for(int i = 0; i <= 3; i ++)	pVal ->set_iVal(i, _str[i + 1], (int)strlen(_str[i + 1]));
			pVal ->set_iVal(4, _latter, (int)strlen(_latter));
		}
		else
		{
			cout << "bug fput" << endl;
			system("pause"); exit(0);
		}
	}

	void set_iKey_sValue(int _ikey, char _sval[])
	{
		mData.set_iKey(_ikey);
	}

	void set_sKey_sValue(const char _skey[], int _klen, const char _sval[], int val_len)
	{
		if(pVal != NULL)
		{
			delete pVal;
			pVal = NULL;
		}
		pVal = new mValue;
		pVal ->mValue_Initial();;
		mData.set_sKey(_skey, _klen);
		pVal ->set_iVal(0, _sval, val_len);
	}


	bool deletePartVal(char PartVal[], int & flag)
	{
		if(pVal == NULL)
		{
			cout << "null error" << endl;
			system("pause");
			exit(0);
		}
		return pVal ->delete_iVal(0, PartVal, flag);
	}

	void inputLeafdata()
	{
		if(pVal == NULL)
		{
			pVal = new mValue;
		}
		pVal ->InputVal();
	}

//	think
	mleafdata(mleafdata & a)
	{
		mData = a.mData;
		pVal = new mValue;
		pVal ->mValue_Initial();
		*pVal = *(a.pVal);
	}

	bool operator > (const mleafdata & a)
	{
		return mData > a.mData;
	}
	bool operator < (const mleafdata & a)
	{
		return mData < a.mData;
	}

	void Hand_inputkey()					{		mData.HandInputKey();	}
	void Rand_inputkey(int i)				{		mData.RandInputKey(i);	}

	bool Read_mleafdata(FILE * fp);
	bool Write_mleafdata(FILE * fp, int & _size_left, int & _key_size, int & _val_size);
};

class mLeafNode : public mNode
{
public:
	mLeafNode* preNode;
	mLeafNode* nextNode;
	mBlockLink leafLink;
	mleafdata LeafData[MAXNUM_DATA];

	mLeafNode()
	{
		mNode_Initial();
		lfordebug = this;
		ifordebug = NULL;
		preNode = NULL;
		nextNode = NULL;
		leafLink.mBlockLink_Initial();
		setType(NODE_TYPE_LEAF);
		for(int i = 0; i <= MAXNUM_KEY; i ++)
		{
			LeafData[i].mleafdata_Initial();
		}
	}
	~mLeafNode()
	{
	}
//
//	~mLeafNode()
//	{
//		cout << "call leaf" << this ->getCount() << endl;
//		for(int i = 1; i <= this ->getCount(); i ++)
//		{
//			LeafData[i].cleardata();
//		}
//		cout << "here1328" << endl;
//	}

	KeyType & getKey(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			return LeafData[_i].mData;
		}
		else
		{
			printf("err in leaf getkey\n");
			system("pause"); exit(0);
		}
		return KeyNULL;
	}

	void setKey(int _i, KeyType & _keytype)
	{
		if(_i > 0 && _i <= MAXNUM_KEY)
		{
			LeafData[_i].mData = _keytype;
		}
		else
		{
			printf("err in leaf setkey\n");
			system("pause"); exit(0);
		}
	}

	mleafdata & getElement(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			return LeafData[_i];
		}
		else
		{
			printf("err in getele\n");
			system("pause"); exit(0);
		}
	}

	void setElement(int _i, const mleafdata & _leafdata)
	{
		if(_i > 0 && _i <= MAXNUM_KEY)
		{
			LeafData[_i] = _leafdata;
		}
		else
		{
			printf("err in setele\n");
			system("pause"); exit(0);
		}
	}

	//  此两个函数对叶节点无意义
	mNode * getPointer(int _i)
	{
		return NULL;
	}

	void setPointer(int _i, mNode * _pmnode)
	{
		return;
	}

	int iExist(const KeyType & _keytype)
	{
		int _ibegin = 1, _iend = getCount();
		int _imiddle;
		if(_iend <= 0){
//			cout << "not found for the bug of getCount : " << _iend << endl;
			return -1;
		}
		if(LeafData[1].mData == _keytype)
			return 1;
		while(_ibegin < _iend)
		{
			_imiddle = (_ibegin + _iend) / 2;
			if(LeafData[_ibegin].mData == _keytype)
			{
				return _ibegin;
			}
			if(LeafData[_iend].mData == _keytype)
			{
				return _iend;
			}
			if(_ibegin + 1 == _iend){
				return -1;
			}
			if(LeafData[_imiddle].mData > _keytype)
			{
				_iend = _imiddle;
			}
			else
			{
				_ibegin = _imiddle;
			}
		}
		return -1;
	}
	//  考虑cout = 0的情况
	int iInsert(const KeyType & _keytype)
	{
		int _ibegin = 1, _iend = getCount();
		int _imiddle;
		if(_iend <= 0 || LeafData[_ibegin].mData > _keytype)
		{
//			cout << "iInsert ret 1!!" << endl;
			return 1;
		}
//		count = 0 && count = 1
		if(LeafData[_iend].mData < _keytype)
		{
			return _iend + 1;
		}
		while(_ibegin < _iend)
		{
			_imiddle = (_ibegin + _iend) / 2;
			if(LeafData[_ibegin].mData < _keytype && LeafData[_ibegin + 1].mData > _keytype)
			{
				return _ibegin + 1;
			}
			if(LeafData[_imiddle].mData > _keytype)
			{
				_iend = _imiddle;
			}
			else
			{
				_ibegin = _imiddle;
			}
		}
		return -1;
	}

	bool isInMemory(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			if(LeafData[_i].mData.is_AtMem)
				return true;
			else
				return false;
		}
		else
		{
			printf("err in setmemeory\n");
			system("pause"); exit(0);
		}
	}
	void setMemory(int _i)
	{
		if(_i > 0 && _i <= getCount())
		{
			LeafData[_i].mData.is_AtMem = true;
		}
		else
		{
			printf("err in setmemeory\n");
			system("pause"); exit(0);
		}
	}

	void printNode()
	{
		printf("  ==  ");
		for(int i = 1; i <= getCount(); i ++)
		{
			LeafData[i].mData.PrintKey();
			printf("  ");
		}
		printf("  ==  ");
	}



    // 插入数据
//  最左端递归向上
    bool Insert(const mleafdata & _leafdata);
    // 删除数据
    int Delete(KeyType & _keytype);
    //重载delete partval
    int Delete(KeyType & _keytype, char partval[], int & pvFlag);
    // 分裂结点
    KeyType & Split(mLeafNode* _mpnode);
    // 结合结点
    bool Combine(mLeafNode* _mpnode);
    // 重复插入
    bool dupInsert(const mleafdata & _leafdata, int _index_insert);
};

extern mNode* ReadNode(FILE * fp, long long int _addr);
extern void WriteNode(mNode * pNode, FILE * fp, mQueue & _mqueue);
extern void DelDisk(FILE * fp, long long int _addr, mQueue & _mqueue);
extern void FP_Initial(FILE * & _fp);
extern bool DATAINPUT(FILE * ifp, char _row_str[], char _str[][600] );
extern void BuildTree();
extern bool Delete_KeyVal(char keyStr[], int keyLen, BPlusTree * _ptree);
extern bool Delete_Key_PartVal(char keyStr[], int keyLen, char partVal[], BPlusTree * _ptree);
extern bool Delete_sID2sub(int _sID, BPlusTree * _p_sID2sub);
extern bool Delete_s2sID(char _sub_str[], BPlusTree * _p_s2sID);
extern bool Delete_obj2sID(char _obj_str[], int _del_sID, BPlusTree * _p_obj2sID);
extern bool Delete_objpID2sID(char _obj_str[], int _pID, int _del_sID, BPlusTree * _p_objpID2sID);


/* B+树数据结构 */
class BPlusTree
{
public:

    // 以下两个变量用于实现双向链表
	mLeafNode* pmLeafHead;                   // 头结点
	mLeafNode* pmLeafTail;                    // 尾结点
	mNode * mRoot;   						 // 根结点
	mQueue mblockQueue;
	FILE * mfp;
	char mTreeName[1024];
	int mDepth;       						 // 树的深度
	int insert_count;

	void Initial();
	BPlusTree(const char * const_tree_name, const char * _build_or_open);
	~BPlusTree();
	string getTreeFileName();
	void log(const char* _log)const;
	void forcheck();

    // 获取和设置根结点
    mNode * getRoot()               {       return mRoot;   }

    void setRoot(mNode * root)      {       mRoot = root;   }
    void Flush();
    // 为插入而查找叶子结点
    mLeafNode * SearchLeafNode(const KeyType & data)const;
    //插入键到中间结点
    bool InsertItnlNode(mItnlNode * pNode, mNode * pSon);
    // 在中间结点中删除键
    bool DeleteItnlNode(mItnlNode * pNode, KeyType & key);
    // 查找指定的数据
    bool Search(KeyType & data, mleafdata & _ret);
    // 插入指定的数据
    bool Insert(const mleafdata & _mleafdata);
    // 删除指定的数据
    bool Delete(KeyType & data);
    // 重载删除函数
    bool Delete(KeyType & data, char PartVal[]);
    // 清除树
    void ClearTree();
    // 打印树
    void PrintTree();
    //读出根节点
    void ReadRoot();
    //保存树结构
    void StoreTree();

};
#endif /* CBTREE_H_ */