path.py 文件源码

def launch_ping(src_ip, dst_ip, username, passwd,
                count, timeout, qrouter, filename):
    cmd = 'sudo ip netns exec ' + str(qrouter)
    cmd += ' python ping.py --src_ip %s --dst_ip %s --username "%s" --passwd "%s" --count %d --timeout %d' % \
        (src_ip, dst_ip, username, passwd, count, timeout)
    cmd += ' > %s 2>&1' % filename

    p = subprocess.Popen(cmd, shell=True)

    return p