def network_size(subnet, dhcp=None):
"""
Func return gateway, mask and dhcp pool.
"""
mask = IP(subnet).strNetmask()
addr = IP(subnet)
gateway = addr[1].strCompressed()
if addr.version() == 4:
dhcp_pool = [addr[2].strCompressed(), addr[addr.len() - 2].strCompressed()]
if addr.version() == 6:
mask = mask.lstrip('/') if '/' in mask else mask
dhcp_pool = [IP(addr[0].strCompressed() + hex(256)), IP(addr[0].strCompressed() + hex(512 - 1))]
if dhcp:
return gateway, mask, dhcp_pool
else:
return gateway, mask, None
