# -*- coding: utf-8 -*-
# Programmer: D.G.J
#
"""
"""
import re
def bin2int(s):
r = 0
for i in range(0,len(s)):
r += ord(s[i])*pow(256,i)
return r
def bin2ip(s):
return "%d.%d.%d.%d" % ( ord(s[3]),ord(s[2]),ord(s[1]),ord(s[0]))
def int2ip(i):
return "%d.%d.%d.%d" % (i/(256*256*256), (i%(256*256*256))/(256*256),
(i%(256*256))/(256), i%256)
def ip2int(ip):
m = re.match('^(d+).(d+).(d+).(d+)$',ip)
if not m:
return 0
else:
return
int(m.group(1))*256*256*256+int(m.group(2))*256*256+int(m.group(3))*256+int(m.group(4)
);
def ip2loc(ip):
ip = ip2int(ip)
if not ip:
return "invalid ip"
f = open('qqwry.dat','rb')
index_begin = bin2int(f.read(4))
index_end = bin2int(f.read(4))
a = 0
b = (index_end-index_begin)/7
found = 0
while(b>=a):
c = (a+b)/2
f.seek(index_begin+c*7)
ip1 = bin2int(f.read(4))
if ip1 <= ip:
f.seek(index_begin+c*7+7)
ip2 = bin2int(f.read(4))
if ip2 > ip:
f.seek(index_begin+c*7+4)
found = bin2int(f.read(3))
break;
else:
a = c + 1
else:
b = c - 1
if not found:
f.close()
return "not found"
ip1 = int2ip(ip1)
f.seek(found)
ip2 = bin2ip(f.read(4))
loc1,loc2 = get_loc(f,found+4)
f.close()
return "(%s-%s) %s %s" % ( ip1,ip2,loc1,loc2)
def get_loc(f,idx):
loc1 = ""
loc2 = ""
f.seek(idx)
c = f.read(1)
if ord(c) == 1:
idx = bin2int(f.read(3))
f.seek(idx)
c = f.read(1)
idx2 = 0
if ord(c) == 2:
idx2 = idx+4
idx = bin2int(f.read(3))
f.seek(idx)
c = f.read(1)
while(ord(c)):
loc1 += c
c = f.read(1)
if idx2:
f.seek(idx2)
c = f.read(1)
if ord(c) == 2:
idx = bin2int(f.read(3))
f.seek(idx)
c = f.read(1)
while(ord(c)):
loc2 += c
c = f.read(1)
return (loc1,loc2)
if __name__ == "__main__":
print bin2int('x00x00x00xff')
print bin2ip('x00x00x00xff')
print int2ip(4278190080)
print ip2int('255.0.0.0')
print ip2loc('202.102.249.68')
参照了href=http://dev.csdn.net/article/33/33563.shtm>CSDN上一篇介绍QQwry文件格式的文章
声明: 本页内容为中国Linux论坛的内容镜像，文章的版权以及其他所有的相关权利属于中国Linux论坛和相应文章的作者，如果转载，请注明文章来源及相关版权信息。
