在Python中,是否有一种方法可以通过ICMP来ping服务器,如果服务器响应则返回TRUE,如果没有响应则返回FALSE ?


当前回答

使用Multi-ping (pip install multiPing),我做了这个简单的代码(简单地复制和粘贴,如果你愿意!):

from multiping import MultiPing

def ping(host,n = 0):
    if(n>0):
        avg = 0
        for i in range (n):
            avg += ping(host)
        avg = avg/n
    # Create a MultiPing object to test hosts / addresses
    mp = MultiPing([host])

    # Send the pings to those addresses
    mp.send()

    # With a 1 second timout, wait for responses (may return sooner if all
    # results are received).
    responses, no_responses = mp.receive(1)


    for addr, rtt in responses.items():
        RTT = rtt


    if no_responses:
        # Sending pings once more, but just to those addresses that have not
        # responded, yet.
        mp.send()
        responses, no_responses = mp.receive(1)
        RTT = -1

    return RTT

用法:

#Getting the latency average (in seconds) of host '192.168.0.123' using 10 samples
ping('192.168.0.123',10)

如果你想要一个单一的样本,第二个参数“10”可以忽略!

希望能有所帮助!

其他回答

有一个名为pyping的模块可以做到这一点。可以用pip安装

pip install pyping

它使用起来非常简单,但是,当使用这个模块时,您需要root访问权限,因为它在底层制作原始数据包。

import pyping

r = pyping.ping('google.com')

if r.ret_code == 0:
    print("Success")
else:
    print("Failed with {}".format(r.ret_code))
import subprocess
ping_response = subprocess.Popen(["/bin/ping", "-c1", "-w100", "192.168.0.1"], stdout=subprocess.PIPE).stdout.read()

编程ICMP ping很复杂,因为发送原始ICMP包需要更高的权限,而且调用ping二进制很难看。对于服务器监控,您可以使用TCP ping技术实现相同的结果:

# pip3 install tcping
>>> from tcping import Ping
# Ping(host, port, timeout)
>>> ping = Ping('212.69.63.54', 22, 60)
>>> ping.ping(3)
Connected to 212.69.63.54[:22]: seq=1 time=23.71 ms
Connected to 212.69.63.54[:22]: seq=2 time=24.38 ms
Connected to 212.69.63.54[:22]: seq=3 time=24.00 ms

在内部,这只是建立一个到目标服务器的TCP连接,并立即丢弃它,测量所消耗的时间。这个特殊的实现有点局限,因为它不能处理封闭的端口,但对于您自己的服务器来说,它工作得很好。

确保安装了pyping或安装它

#!/usr/bin/python
import pyping

response = pyping.ping('Your IP')

if response.ret_code == 0:
    print("reachable")
else:
    print("unreachable")

我自己的方法结合了上面的几个答案:


def ping(host, show_log=False, package_count=1):
    ping.param = "-n" if platform.system().lower() == 'windows' else "-c"
    result = subprocess.run(['ping', ping.param, str(package_count), host],
                            stdout=subprocess.PIPE,
                            stderr=subprocess.STDOUT)
    output = result.stdout
    if show_log:
        print('return code: ', result.returncode)
        print(output.decode("utf-8"))
    return result.returncode == 0 and (b'TTL=' in output or b'ttl=' in output)

在OSX Monterey上测试。