def __init__(self, config_file, network):
self._read_config(config_file)
self.__lock = Lock()
self.__ack_lock = Lock()
self.__ping_ack_lock = Lock()
self.__incarnation = 0
self.events = collections.deque(maxlen=self.__events_len)
self.node_status = {node: NodeStatus('up', 0) for node in self.nodes}
self.__ping_idx = 0
self.__network = network
self._ack = {}
self.__shutdowned = False
self._ping_req_ack = {}
def __init__(self, host_id, node_id, node_process):
super(NodeStatisticsHandler, self).__init__(node_id)
#:identifier of this node
self._id = node_id
#:Host this node runs on
self.__host_id = host_id
#: Status of the node
self._status = NodeStatus(rospy.Time.now())
self.__node_process = node_process
self.pub = rospy.Publisher('/statistics_node', NodeStatistics, queue_size=2)
self.update_interval = rospy.get_param('~publish_interval', 10) /\
float(rospy.get_param('~window_max_elements', 10))
self.register_subscriber()
self.__write_base = self.__node_process.io_counters().write_bytes
self.__read_base = self.__node_process.io_counters().read_bytes
def _join_node(self, node):
self.__lock.acquire()
if node not in self.node_status:
self.node_status[node] = NodeStatus('up', 0)
self.nodes.insert(random.randint(0, len(self.nodes)), node)
self.__lock.release()
