.NET读取QQWry.Dat 纯真版ip数据库格式数据源

.NET读取QQWry.Dat 纯真版ip数据库格式数据源 .NET?ÁÈ?QQWry.Dat ??Õæ?æipÊý?Ý?â?ñÊ?Êý?ÝÔ? Íâ??µ?ÓÃ?º //?âÊÔµØÖ?ËÑË?#region ?âÊÔµØÖ?ËÑË? IPScaner objScan = new IPScaner(); string ip = Request.UserHostAddress.ToString(); objScan.DataPath = @"D:\\webwz\\zyue.cn\\App_data\\QQWry.Dat"; objScan.IP = ip; string addre = objScan.IPLocation(); string err = objScan.ErrMsg; Response.Write(addre);//?ú?Ò Response.Write(err);//µØÇø Àà?º /***************************************************************** * ** File Name:IPScaner.cs ** Copyright (c) 2004-2005 PPTech Studio(PPTech.Net) ** Creater:Rexsp(MSN:yubo@x263.net) ** Create Date:2004-12-27 20:10:28 ** Modifier: ** Modify Date: ** Description:to scan the ip location from qqwry.dat ** Version: IPScaner 1.0.0 ****************************************************************** / using System; using System.IO; using System.Collections; using System.Text; using System.Text.RegularExpressions; namespace PPTech.WebSite.BusinessRules { /**////

/// to scan the ip location from qqwry.dat ///

public class IPScaner { //Ë?ÓÐ?ÉÔ?#region Ë?ÓÐ?ÉÔ? private string dataPath; private string ip; private string country; private string local; private long firstStartIp=0; private long lastStartIp=0; private FileStream objfs = null; private long startIp=0; private long endIp=0; private int countryFlag=0; private long endIpOff=0; private string errMsg=null; //??Ôìº?Êý#region ??Ôìº?Êý public IPScaner() { // // TODO: ÔÚ?Ë??Ìí?Ó??Ôìº?ÊýÂß?, // } //????ÊôÐÔ#region ????ÊôÐÔ public string DataPath { set{dataPath=value;} } public string IP { set{ip=value;} } public string Country { get{return country;} } public string Local { get{return local;} } public string ErrMsg { get{return errMsg;} } //ËÑË?Æ?ÅäÊý?Ý#region ËÑË?Æ?ÅäÊý?Ý private int QQwry() { string pattern = @"(((\d{1,2})|(1\d{2})|(2[0-4]\d)|(25[0-5]))\.){3}((\d{1,2})|(1\d{2})|(2[0-4]\d)|(25[0-5]))"; Regex objRe = new Regex(pattern); Match objMa = objRe.Match(ip); if(!objMa.Success) { this.errMsg="IP?ñÊ??íÎó"; return 4; } long ip_Int = this.IpToInt(ip); int nRet=0; if(ip_Int>=IpToInt("127.0.0.0")&&ip_Int<=IpToInt("127.255.255.255")) { this.country="???úÄÚ?????صØÖ?"; this.local=""; nRet=1; } else if((ip_Int>=IpToInt("0.0.0.0")&&ip_Int<=IpToInt("2.255.255.255"))||(ip_Int>=IpToInt("64.0.0.0")&&ip_Int<=IpToInt("126.255.255.255"))||(ip_Int>=IpToInt("58.0.0.0")&&ip_Int<=IpToInt("60.255.255.255"))) { this.country="ÍøÂç??ÁôµØÖ?"; this.local=""; nRet=1; } objfs = new FileStream(this.dataPath, FileMode.Open, FileAccess.Read); try { //objfs.Seek(0,SeekOrigin.Begin); objfs.Position=0; byte[] buff = new Byte[8] ; objfs.Read(buff,0,8); firstStartIp=buff[0]+buff[1]*256+buff[2]*256*256+buff[3]*256*256*256; lastStartIp=buff[4]*1+buff[5]*256+buff[6]*256*256+buff[7]*256*256* 256; long recordCount=Convert.ToInt64((lastStartIp-firstStartIp)/7.0); if(recordCount<=1) { country="FileDataError"; objfs.Close(); return 2; } long rangE=recordCount; long rangB=0; long recNO=0; while(rangBthis.startIp) rangB=recNO; else rangE=recNO; } this.GetStartIp(rangB); this.GetEndIp(); if(this.startIp<=ip_Int&&this.endIp>=ip_Int) { this.GetCountry(); this.local=this.local.Replace("??ÎÒÃÇÒ???Òª?â?ÅÌ?Íå????????",""); } else { nRet=3; this.country="Î?Öª"; this.local=""; } objfs.Close(); return nRet; } catch { return 1; } } // IPµØÖ?ת???ÉIntÊý?Ý#region IPµØÖ?ת???ÉIntÊý?Ý private long IpToInt(string ip) { char[] dot = new char[]{'.'}; string [] ipArr = ip.Split(dot); if(ipArr.Length==3) ip=ip+".0"; ipArr=ip.Split(dot); long ip_Int=0; long p1=long.Parse(ipArr[0])*256*256*256; long p2=long.Parse(ipArr[1])*256*256; long p3=long.Parse(ipArr[2])*256; long p4=long.Parse(ipArr[3]); ip_Int=p1+p2+p3+p4; return ip_Int; } //intת???ÉIP#region intת???ÉIP 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&0x0000ff00)>>8; if(seg3<0) seg3+=0x100; long seg4=(ip_Int&0x000000ff); if(seg4<0) seg4+=0x100; string ip=seg1.ToString()+"."+seg2.ToString()+"."+seg3.ToString()+"."+seg 4.ToString(); return ip; } //?ñÈ?ÆðÊ?IP??Î?#region ?ñÈ?ÆðÊ?IP??Î? private long GetStartIp(long recNO) { long offSet = firstStartIp+recNO*7; //objfs.Seek(offSet,SeekOrigin.Begin); 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; return startIp; } // ?ñÈ??áÊøIP#region ?ñÈ??áÊøIP private long GetEndIp() { //objfs.Seek(endIpOff,SeekOrigin.Begin); objfs.Position=endIpOff; byte [] buff = new Byte[5]; objfs.Read(buff,0,5); this.endIp=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; this.countryFlag=buff[4]; return this.endIp; } //?ñÈ??ú?Ò/ÇøÓòÆ?ÒÆÁ?#region ?ñÈ??ú?Ò/ÇøÓòÆ?ÒÆÁ? 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 " "; } //?ñÈ??ú?Ò/ÇøÓò×Ö?û??#region ?ñÈ??ú?Ò/ÇøÓò×Ö?û?? 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(); } //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; } //?ñÈ?IPµØÖ?#region ?ñÈ?IPµØÖ? public string IPLocation() { this.QQwry(); return this.country+this.local; } public string IPLocation(string dataPath,string ip) { this.dataPath=dataPath; this.ip=ip; this.QQwry(); return this.country+this.local; } } }