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/***************************************************************************
* fqterm, a terminal emulator for both BBS and *nix. *
* Copyright (C) 2008 fqterm development group. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifndef FQTERM_IPLOCATION_H
#define FQTERM_IPLOCATION_H
#include <stdio.h>
#include <stdlib.h>
class QString;
namespace FQTerm {
#define MAX_RECURSIVE_IP_DATA_DEPTH 100
typedef unsigned long uint32;
class FQTermIPLocation {
public:
static FQTermIPLocation* getInstance();
static void Destroy();
bool getLocation(QString &url, QString &country, QString &city);
bool getLocation(QString &url, QByteArray &country, QByteArray &city);
private:
struct IPDatabase {
uint32 offset_first_start_ip; // first abs offset of start ip
uint32 offset_last_start_ip; // last abs offset of start ip
uint32 cur_start_ip; // start ip of current search range
uint32 cur_end_ip; // end ip of current search range
uint32 offset_cur_end_ip; // where is the current end ip saved
FILE *ipfp; // IO Channel to read file
};
FQTermIPLocation(const QString &pathLib);
~FQTermIPLocation();
uint32 byteArrayToInt(char *ip, int count);
void readFrom(FILE *fp, uint32 offset, char *buf, int len);
int readLineFrom(FILE *fp, uint32 offset, QByteArray &ret_str);
uint32 getString(FILE *fp, uint32 offset, uint32 lastoffset, QByteArray &str,
unsigned int flag, int maxRecursiveDepth = MAX_RECURSIVE_IP_DATA_DEPTH);
void getCountryCity(FILE *fp, uint32 offset, QByteArray &country, QByteArray &city);
void setIpRange(int rec_no, IPDatabase *f);
IPDatabase *ipDatabase_;
bool isFileExiting_;
static FQTermIPLocation* instance_;
};
} // namespace FQTerm
#endif // FQTERM_IPLOCATION_H
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