resolve.py 文件源码

def state(self):
        """
        :return: The current state of the ip address.
        """
        connect = socket.socket()
        try:
            stat = connect.connect_ex((self.address, 80))
            if stat == 0:
                return "HOST IS UP"
            else:
                return "HOST IS DOWN"
        except socket.gaierror as gaer:
            return gaer.args[1]
        except socket.herror as her:
            return her.args[1]
        except socket.error as err:
            return err.args[1]
        finally:
            connect.shutdown(socket.SHUT_RDWR)
            connect.close()