#!/usr/bin/
python
#source-file ip.cfg,for example ip/mask
#dest-file ip.txt
#liuan 20120730
#filename network.py
import os
import sys
def to_binary(x) :
result = ''
x=int(x)
while x > 0 :
m = x % 2
x = x / 2
result = str(m) + result
i=0
pre_str=""
while i < 8-len(result):
pre_str= pre_str + "0"
i = i + 1
#print pre_str+result
return pre_str + result
def net_js(str,length) :
i=0
net=0
while i < length:
if str[i] == "1":
net=net + pow(2,8-i-1)
i = i +1
return net
def print_netmask(net, mask,domain_id,device_id) :
net=net.split('.')
A = net[0].strip()
B = net[1].strip()
C = net[2].strip()
D = net[3].strip()
m=mask/8
n=mask%8
if m==0 :
network=net_js(to_binary(A),n)
ip_min=str(network)+".0.0.0"
ip_max=str(network+pow(2,8-n)-1) + ".255.255.255"
elif m==1:
network=net_js(to_binary(B),n)
ip_min=A + "." + str(network) + ".0.0"
ip_max=A + "." + str(network+pow(2,8-n)-1) + ".255.255"
elif m==2:
network=net_js(to_binary(C),n)
ip_min=A + "." + B + "." + str(network) + ".0"
ip_max=A + "." + B + "." + str(network+pow(2,8-n)-1) + ".255"
elif m==3:
network=net_js(to_binary(D),n)
ip_min=A + "." + B + "." + C + "." + str(network)
ip_max=A + "." + B + "." + C + "." + str(network + pow(2,8-n)-1)
elif m==4:
network=net_js(to_binary(D),n)
ip_min=A + "." + B + "." + C + "." + D
ip_max=A + "." + B + "." + C + "." + D
else:
pass
result="insert into ppmservice values(" + str(device_id) +"," + domain_id + ",'" + ip_min + "','" + ip_max + "');"
print result
if not os.path.isfile("./ip.txt"):
os.system("touch ip.txt")
os.system("echo "" + result + "" >> ./ip.txt")
if __name__ == "__main__" :
if len(sys.argv) !=3 :
print "please input options 'domain_id' & 'start device_id'"
sys.exit()
domain_id=sys.argv[1]
device_id=int(sys.argv[2])
if not os.path.isfile("./ip.cfg"):
print "It is not found file 'ip.cfg',please check ..."
sys.exit()
f = open("ip.cfg")
list = f.readlines()
i = 0
while i < len(list) :
line = list[i].split('/')
net=line[0].strip()
mask=int(line[1].strip())
print_netmask(net,mask,domain_id,device_id+i)
i = i+1
f.close()
