class CarbonSender(Service):
host = "127.0.0.1" # type: str
port = 2003 # type: int
send_interval = 5 # type: int
protocol = "udp" # type: str
namespace = ("",) # type: t.Iterable[str]
storage = TotalStorage
_handle = None # type: PeriodicCallback
async def start(self) -> None:
namespace = ".".join(
strip_carbon_ns(item) for item in self.namespace
)
client = PROTOCOLS[self.protocol](
self.host,
self.port,
namespace=namespace,
storage=self.storage(),
)
set_client(client)
self._handle = PeriodicCallback(client.send)
self._handle.start(self.send_interval, loop=self.loop)
log.info(
"Periodic carbon metrics sender started. Send to %s://%s:%d with "
"interval %rs", self.protocol, self.host, self.port,
self.send_interval,
)
async def stop(self, exc: Exception = None) -> None:
self._handle.stop()
class CarbonSender(Service):
host = '127.0.0.1' # type: str
port = 2003 # type: int
send_interval = 5 # type: int
protocol = 'udp' # type: str
namespace = '' # type: List[str]
storage = TotalStorage
_handle = None # type: PeriodicCallback
async def start(self):
namespace = ".".join(strip_carbon_ns(item) for item in self.namespace)
client = PROTOCOLS[self.protocol](
self.host,
self.port,
namespace=namespace,
storage=self.storage(),
)
set_client(client)
self._handle = PeriodicCallback(client.send)
self._handle.start(self.send_interval, loop=self.loop)
log.info(
'Periodic carbon metrics sender started. Send to %s://%s:%d with '
'interval %rs', self.protocol, self.host, self.port,
self.send_interval)
async def stop(self, *_):
self._handle.stop()
async def test_long_func(event_loop):
counter = 0
async def task():
nonlocal counter
counter += 1
await asyncio.sleep(0.5)
periodic = PeriodicCallback(task)
periodic.start(0.1, event_loop)
await asyncio.sleep(1, loop=event_loop)
periodic.stop()
assert 1 < counter < 3
async def test_periodic(event_loop):
counter = 0
def task():
nonlocal counter
counter += 1
periodic = PeriodicCallback(task)
periodic.start(0.1, event_loop)
await asyncio.sleep(0.5, loop=event_loop)
periodic.stop()
assert 4 < counter < 7
await asyncio.sleep(0.5, loop=event_loop)
assert 4 < counter < 7