def __init__(self, container, endpoint, heartbeat_interval=1, timeout=1, idle_timeout=10, unresponsive_disconnect=30, idle_disconnect=60):
self.container = container
self.endpoint = endpoint
self.timeout = timeout
self.heartbeat_interval = heartbeat_interval
self.idle_timeout = idle_timeout
self.unresponsive_disconnect = unresponsive_disconnect
self.idle_disconnect = idle_disconnect
now = time.monotonic()
self.last_seen = 0
self.idle_since = 0
self.last_message = now
self.created_at = now
self.heartbeat_samples = SampleWindow(100, factor=1000) # milliseconds
self.roundtrip_samples = SampleWindow(100, factor=1000) # milliseconds
self.explicit_heartbeat_count = 0
self.status = UNKNOWN
self.received_message_count = 0
self.sent_message_count = 0
self.heartbeat_loop_greenlet = gevent.spawn(self.heartbeat_loop)
self.live_check_loop_greenlet = gevent.spawn(self.live_check_loop)
