async def heartbeat(self):
if self.closing:
return
await self.ensure_safe_state()
try:
zxid, _ = await self.conn.send(protocol.PingRequest())
self.last_zxid = zxid
except exc.ConnectError:
self.state.transition_to(States.SUSPENDED)
finally:
self.set_heartbeat()
async def heartbeat(self):
if self.closing:
return
await self.ensure_safe_state()
try:
timeout = self.timeout - self.timeout / HEARTBEAT_FREQUENCY
zxid, _ = await asyncio.wait_for(
self.conn.send(protocol.PingRequest()), timeout)
self.last_zxid = zxid
except (exc.ConnectError, asyncio.TimeoutError):
if self.state != States.SUSPENDED:
self.state.transition_to(States.SUSPENDED)
except Exception as e:
log.exception('in heartbeat: {}'.format(e))
raise e
finally:
self.set_heartbeat()