config.py 文件源码

def addrparse(addr_str):
  if addr_str is None:
    domain=socket.AF_INET
    addr,port = "0.0.0.0",0
  elif addr_str.count(':') == 0:
    # Port only given
    domain=socket.AF_INET
    addr,port="0.0.0.0",addr_str
  elif  addr_str.count(':') == 1:
    # IPv4 address and port
    domain=socket.AF_INET
    addr,port=addr_str.rsplit(':')
  else:
    domain=socket.AF_INET6
    addr,port=addr_str.rsplit(':',1)
  try:
    socket.inet_pton(domain,addr)
  except:
    sys.exit("Invalid address %s" % addr)
  try:
    port = int(port)
  except:
    sys.exit("Invalid port '%s'" % port)

  return domain, addr, port