import threading
from subprocess import getoutput


# 获取单个主机丢包率信息
def get_pkg_loss(ip):

    cmd = "ping -c 2 -w 3 {}".format(ip)

    ret = getoutput(cmd)

    for line in ret.splitlines():
        if "loss" in line:
            *_,loss, _, _ = line.split()
            print(loss)
        else:
            print("主机不通")


# 创建子线程
thread_list = []
with open("ip-list.txt") as f:
    for ip in f:
        t = threading.Thread(target=get_pkg_loss, args=(ip,))
        thread_list.append(t)
    
for t in thread_list:
    t.start()
   
for t in thread_list:
    t.join()