def ping(self):
"""Send an ICMP echo request and return True if success."""
with subprocess.Popen(self._ping_cmd,
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL) as pinger:
try:
pinger.communicate(timeout=1 + PING_TIMEOUT)
return pinger.returncode == 0
except subprocess.TimeoutExpired:
kill_subprocess(pinger)
return False
except subprocess.CalledProcessError:
return False
async def test_kill_process():
"""Test killing a process."""
sleeper = subprocess.Popen(
"sleep 1000",
shell=True, # nosec # shell by design
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
)
pid = sleeper.pid
assert os.kill(pid, 0) is None
process.kill_subprocess(sleeper)
with pytest.raises(OSError):
os.kill(pid, 0)
def send_message(self, message="", **kwargs):
"""Send a message to a command line."""
with subprocess.Popen(
self.command,
universal_newlines=True,
stdin=subprocess.PIPE,
shell=True, # nosec # shell by design
) as proc:
try:
proc.communicate(input=message, timeout=self._timeout)
if proc.returncode != 0:
_LOGGER.error("Command failed: %s", self.command)
except subprocess.TimeoutExpired:
_LOGGER.error("Timeout for command: %s", self.command)
kill_subprocess(proc)
except subprocess.SubprocessError:
_LOGGER.error("Error trying to exec command: %s", self.command)
def ping(self):
"""Send ICMP echo request and return details if success."""
pinger = subprocess.Popen(self._ping_cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
try:
out = pinger.communicate(timeout=self._count + PING_TIMEOUT)
_LOGGER.debug("Output is %s", str(out))
if sys.platform == "win32":
match = WIN32_PING_MATCHER.search(str(out).split("\n")[-1])
rtt_min, rtt_avg, rtt_max = match.groups()
return {
"min": rtt_min,
"avg": rtt_avg,
"max": rtt_max,
"mdev": ""
}
if "max/" not in str(out):
match = PING_MATCHER_BUSYBOX.search(str(out).split("\n")[-1])
rtt_min, rtt_avg, rtt_max = match.groups()
return {
"min": rtt_min,
"avg": rtt_avg,
"max": rtt_max,
"mdev": ""
}
match = PING_MATCHER.search(str(out).split("\n")[-1])
rtt_min, rtt_avg, rtt_max, rtt_mdev = match.groups()
return {
"min": rtt_min,
"avg": rtt_avg,
"max": rtt_max,
"mdev": rtt_mdev
}
except subprocess.TimeoutExpired:
kill_subprocess(pinger)
return False
except (subprocess.CalledProcessError, AttributeError):
return False