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
在windows或linux中Ping它们,返回一个排序的列表。这是@Ahmed Essam和@Arno回复的混合/修正。
import asyncio
import re
import platform
isWindows = platform.system()
async def ping(host):
cmd = 'ping {} {} 1'.format(host, '-n' if isWindows else '-c')
ping_proc = \
await asyncio.create_subprocess_shell(cmd, stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE)
stdout, stderr = await ping_proc.communicate()
outstr = stdout.decode()
if ping_proc.returncode == 0:
delay = int(re.search(r'(?:time=)([\d]*)', outstr).group(1)) if 'time=' in outstr else -1
if delay >= 0:
# print('{} {}ms'.format(host, delay))
return [host, delay]
return [host, None]
async def ping_all():
tasks = []
for i in range(1, 256):
ip = "192.168.1.{}".format(i)
task = asyncio.ensure_future(ping(ip))
tasks.append(task)
retList = await asyncio.gather(*tasks, return_exceptions=True)
retList = [x for x in retList if x[1] is not None]
retList.sort(key=lambda x: int(x[0].split('.')[-1]))
return retList
loop = asyncio.ProactorEventLoop()
asyncio.set_event_loop(loop)
pingRet = loop.run_until_complete(ping_all())
for ip, d in pingRet:
print('{:<16s} {}ms'.format(ip, d))
其他回答
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。
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")
我在类似的情况下找到了这个问题。我尝试了pyping,但Naveen给出的例子在Python 2.7下的Windows中对我不起作用。
一个对我有用的例子是:
import pyping
response = pyping.send('Your IP')
if response['ret_code'] == 0:
print("reachable")
else:
print("unreachable")
使用python3中的套接字包:
import socket
def ping_server(server: str, port: int, timeout=3):
"""ping server"""
try:
socket.setdefaulttimeout(timeout)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((server, port))
except OSError as error:
return False
else:
s.close()
return True
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!
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