def start(host):
try:
host = host.replace('http://','').replace('https://','')
HOST = ping(host)
print(f'{host} {HOST}')
except:
pass
def ping_check(self,
address,
size=64,
count=1,
timeout=1000,
policy=CHECK_FIRST):
"""
Perform ping check and return status
:param address: IPv4/IPv6 address of host
:param size: Packet size, in octets
:param count: Maximal number of packets to send
:param timeout: Ping timeout, in milliseconds
:param policy: Check policy. CHECK_FIRST - return True on
first success. CHECK_ALL - return True when all checks succeded
:returns: Ping status as boolean
"""
socket = self.get_socket(address)
if not socket:
raise tornado.gen.Return(None)
req_id = next(self.iter_request) & 0xFFFF
result = policy == self.CHECK_ALL and count > 0
for seq in range(count):
r = yield socket.ping(address, timeout, size, req_id, seq)
if r and policy == self.CHECK_FIRST:
result = True
break
elif not r and policy == self.CHECK_ALL:
result = False
break
logger.debug("[%s] Result: %s", address, result)
raise tornado.gen.Return(result)
def ping_check_rtt(self,
address,
size=64,
count=1,
timeout=1000,
policy=CHECK_FIRST):
"""
Perform ping check and return round-trip time
:param address: IPv4/IPv6 address of host
:param size: Packet size, in octets
:param count: Maximal number of packets to send
:param timeout: Ping timeout, in milliseconds
:param policy: Check policy. CHECK_FIRST - return True on
first success. CHECK_ALL - return True when all checks succeded
:returns: rtt in seconds as float or None for failure
"""
socket = self.get_socket(address)
if not socket:
raise tornado.gen.Return(None)
req_id = next(self.iter_request) & 0xFFFF
result = policy == self.CHECK_ALL and count > 0
rtts = []
attempt = 0
for seq in range(count):
rtt = yield socket.ping(address, timeout, size, req_id, seq)
if rtt is not None:
rtts += [rtt]
if rtt and policy == self.CHECK_FIRST:
result = True
attempt = seq
break
elif not rtt and policy == self.CHECK_ALL:
result = False
break
if result:
rtt = sum(rtts) / len(rtts)
if policy == self.CHECK_ALL:
attempt = 0
elif attempt > 0:
metrics["ping_check_recover"] += 1
logger.debug("[%s] Result: success, rtt=%s, attempt=%d", address,
rtt, attempt)
raise tornado.gen.Return((rtt, attempt))
else:
logger.debug("[%s] Result: failed", address)
raise tornado.gen.Return((None, attempt))
