def readInput():
print "Please input IP and netmask, empty line for end program."
input = raw_input("IP/netmask: ").strip()
logging.debug("Input: " + input)
data = {"ip": 0, "netmask": 0}
if len(input.split('/')) != 2:
print "Format error"
return None
ip = input.split('/')[0]
netmask = input.split('/')[1]
try:
logging.debug("Prase IP: " + ip)
data["ip"] = ipv4Calc.ipv4NotationToBit(ip)
logging.debug("ip value: %s" % bin(data["ip"]))
except:
print "IP not vaild."
return None
try:
logging.debug("Prase netmask: " + netmask)
data["netmask"] = ipv4Calc.ipv4ConvertNetmaskToBit(netmask)
logging.debug("netmask value: %s" % bin(data["netmask"]))
logging.debug("invert netmask value: %s" %
bin(data["netmask"] ^ ipv4Calc.makeNetMask(32)))
except:
print "netmask not vaild."
return None
return data
logging.debug("Prase netmask: " + netmask)
data["netmask"] = ipv4Calc.ipv4ConvertNetmaskToBit(netmask)
logging.debug("netmask value: %s" % bin(data["netmask"]))
logging.debug("invert netmask value: %s" %
bin(data["netmask"] ^ ipv4Calc.makeNetMask(32)))
except:
print "netmask not vaild."
return None
return data
while True:
data = readInput()
if data is None:
break
ipStart = data["ip"] & data["netmask"]
ipEnd = data["ip"] | (data["netmask"] ^ ipv4Calc.makeNetMask(32))
usableStart = ipStart + 1
usableEnd = ipEnd - 1
print "Network: %s, netmask: %s" % (ipv4Calc.ipv4ToNotation(ipStart),
ipv4Calc.ipv4ToNotation(
data["netmask"]))
#, math.log(data["netmask"], 2));
print "IP range: %s - %s" % (ipv4Calc.ipv4ToNotation(ipStart),
ipv4Calc.ipv4ToNotation(ipEnd))
print "Usable IP range: %s - %s" % (ipv4Calc.ipv4ToNotation(usableStart),
ipv4Calc.ipv4ToNotation(usableEnd))
print ""