Export IP addresses to files in QQWry.Dat [C #]

IP Address

Download cs File: Http://www.cnblogs.com/Files/rexsp/IPExport.rar
/**//******************************************************************
* * File Name:IPExport.cs
* * Copyright (c) 2004-2005 Pptech Studio (pptech.net)
* * CREATER:REXSP (msn:yubo@x263.net)
* * Create date:2004-12-29 20:10:28
* * Modifier:
* * Modify Date:
* * description:to Export the IP location from Qqwry.dat
* * Version:ipexport 1.0.0
******************************************************************/
Using System;
Using System.Collections;
Using System.Data;
Using System.IO;

Namespace PPTech.ESP.Component
{
/**////<summary>
Summary description of the ExportData.
</summary>
public class Ipexport
{
Private member #region Private member
private string country;
private string Local;
Private FileStream OBJFS = null;
Private long startip=0;
Private long endip=0;
private int countryflag=0;
Private long endipoff=0;
#endregion

constructor function #region Constructor
Public Ipexport ()
{
//
TODO: Add constructor logic here
//
}
#endregion

Export Data #region Export data
public void Savetotext (String tofilepath,string fromfilepath)
{
OBJFS = new FileStream (Fromfilepath, FileMode.Open, FileAccess.Read);
objFS. position=0;
byte[] buff1 = new Byte[8];
objFS. Read (buff1,0,8);
int firststartip=buff1[0]+buff1[1]*256+buff1[2]*256*256+buff1[3]*256*256*256;
int laststartip=buff1[4]*1+buff1[5]*256+buff1[6]*256*256+buff1[7]*256*256*256;
Long Recordcount=convert.toint64 ((laststartip-firststartip)/7.0);
if (recordcount<=1)
{
country= "Filedataerror";
objFS. Close ();
}
Long Range=recordcount;
StreamWriter Writer=file.appendtext (Tofilepath);
for (int i=0;i<=recordcount;i++)
{
Long offSet = firststartip+i*7;
objFS. Position=offset;

byte [] buff = new BYTE[7];
objFS. Read (buff,0,7);

Endipoff=convert.toint64 (Buff[4]. ToString ()) +convert.toint64 (Buff[5]. ToString ()) *256+convert.toint64 (Buff[6]. ToString ()) *256*256;
Startip=convert.toint64 (Buff[0]. ToString ()) +convert.toint64 (Buff[1]. ToString ()) *256+convert.toint64 (buff[2]. ToString ()) *256*256+convert.toint64 (Buff[3]. ToString ()) *256*256*256;

objFS. Position=endipoff;
byte [] buff3 = new BYTE[5];
objFS. Read (buff3,0,5);
This.endip=convert.toint64 (Buff3[0]. ToString ()) +convert.toint64 (Buff3[1]. ToString ()) *256+convert.toint64 (buff3[2]. ToString ()) *256*256+convert.toint64 (Buff3[3]. ToString ()) *256*256*256;
THIS.COUNTRYFLAG=BUFF3[4];
String Showip=this. Inttoip (StartIP);
This. Getcountry ();
Writer. WriteLine (showip+ "" +this.country+this.local);
}
Writer. Close ();

}
#endregion

int converts to ip#region int to IP
private string Inttoip (long Ip_int)
{
Long seg1= (ip_int&0xff000000) >>24;
if (seg1<0)
seg1+=0x100;
Long seg2= (ip_int&0x00ff0000) >>16;
if (seg2<0)
seg2+=0x100;
Long seg3= (IP_INT&AMP;0X0000FF00) >>8;
if (seg3<0)
seg3+=0x100;
Long seg4= (IP_INT&AMP;0X000000FF);
if (seg4<0)
seg4+=0x100;
String IP=SEG1. ToString () + "." +SEG2. ToString () + "." +seg3. ToString () + "." +seg4. ToString ();

return IP;
}
#endregion

Get Country/region offset #region Get country/region offset
private String Getcountry ()
{
Switch (This.countryflag)
{
Case 1:
Case 2:
This.country=getflagstr (THIS.ENDIPOFF+4);
this.local= (1 = this.countryflag)? " ": this. Getflagstr (THIS.ENDIPOFF+8);
Break
Default
This.country=this. Getflagstr (THIS.ENDIPOFF+4);
This.local=this. Getflagstr (OBJFS. Position);
Break
}
Return "";
}
#endregion

Get country/region string #region Get country/region string
private string Getflagstr (long OffSet)
{
int flag=0;
byte [] buff = new BYTE[3];
while (1==1)
{
objFS. Seek (Offset,seekorigin.begin);
objFS. Position=offset;
Flag = objFS. ReadByte ();
if (flag==1| | flag==2)
{
objFS. Read (buff,0,3);
if (flag==2)
{
this.countryflag=2;
this.endipoff=offset-4;
}
Offset=convert.toint64 (Buff[0]. ToString ()) +convert.toint64 (Buff[1]. ToString ()) *256+convert.toint64 (buff[2]. ToString ()) *256*256;
}
Else
{
Break
}
}
if (offset<12)
Return "";
objFS. Position=offset;
return Getstr ();
}
#endregion

Getstr#region Getstr
private String Getstr ()
{
BYTE lowc=0;
BYTE upc=0;
String Str= "";
byte[] buff = new byte[2];
while (1==1)
{
Lowc= (Byte) objfs. ReadByte ();
if (lowc==0)
Break
if (lowc>127)
{
Upc= (Byte) objfs. ReadByte ();
BUFF[0]=LOWC;
BUFF[1]=UPC;
System.Text.Encoding enc = System.Text.Encoding.GetEncoding ("GB2312");
Str+=enc. GetString (Buff);
}
Else
{
str+= (char) LOWC;
}
}
return str;
}
#endregion
}
}

Call Mode:

Test export IP Address Library #region test export IP Address library
Ipexport exp = new Ipexport ();
string tofile = @ "D:\Work\PPTechStudio\ip.txt";
String fromfile=@ "e:\ personal Data \imtools\qqwryupdate\qqwry.dat";
Exp. Savetotext (Tofile,fromfile);
#endregion