#!/usr/bin/env python
#  Licensed under the Apache License, Version 2.0 (the "License"); you may
#  not use this file except in compliance with the License. You may obtain
#  a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#  License for the specific language governing permissions and limitations
#  under the License.

import sys
from subprocess import Popen, PIPE

p = Popen(["ping", sys.argv[1]], stdout=PIPE)
while True:
    line = p.stdout.readline().strip()
    if 'bytes from' in line:
        p.terminate()
        sys.exit(0)