flowadm.py 文件源码

def is_valid_address(cls, ip):

        if ip.count('/') == 1:
            ip_address, netmask = ip.split('/')
        else:
            ip_address = ip

        if len(ip_address.split('.')) == 4:
            try:
                socket.inet_pton(socket.AF_INET, ip_address)
            except socket.error:
                return False

            if not 0 <= netmask <= 32:
                return False
        else:
            try:
                socket.inet_pton(socket.AF_INET6, ip_address)
            except socket.error:
                return False

            if not 0 <= netmask <= 128:
                return False

        return True