def unpack_sin(data):
if len(data) == 6: # IPv4
(a, port) = struct.unpack("!IH", data)
addr = IPy.IPint(a)
elif len(data) == 18: #IPv6
(a, b, port) = struct.unpack("!QQH", data)
addr = IPy.IPint(a << 64 + b)
return (str(addr), port)
def check_ip_ascending(start_ip, end_ip):
# check that IPs are ascending
if start_ip and end_ip and IPy.IPint(start_ip, 4).int() <= IPy.IPint(
end_ip, 4).int():
print "Start IP is: {0}\n".format(start_ip)
print "End IP is: {0}\n\n".format(end_ip)
else:
print "Start IP has to be lower or equal to end IP, both IPs have to be filled"
print_usage()
sys.exit(2)
def get_increments(start_ip, end_ip):
"""
Find how many increments by 255 are in between first and last IP in the range and the rest of the IPs after
subtracting all the increments
:param start_ip: first IP in the range
:type start_ip str
:param end_ip: last IP in the range
:type end_ip str
:return increments, rest
"""
num_ips = (IPy.IPint(end_ip).int() - IPy.IPint(start_ip).int())
increments, rest = divmod(num_ips, 255)
# in case range is lower then 255 return 1
increments += 1
return increments, rest
def pack_sin(sin):
"""Takes a sin tuple (addr, port) and packs it into a
binary form. Resulting size depends on whether addr
is IPv4 or IPv6."""
(addr, port) = sin
addr = IPy.IPint(addr)
if addr.version() == 4:
return struct.pack("!IH", addr.int(), port)
else:
a = addr.int()
return struct.pack("!QQH", a >> 64, a % 2**64, port)
def increment_range(start_ip, counter):
"""
Increment IP address by 255 multiple times
:param start_ip: base IP to be incremented
:type start_ip: str
:param counter: how many times do you want to increment the IP by 255
:return:incremented IP
"""
incremented_ip_int = IPy.IPint(start_ip).int() + counter * 255
incremented_ip_str = IPy.intToIp(ip=incremented_ip_int, version=4)
return incremented_ip_str
