def __init__()

in AWSIoTDeviceDefenderAgentSDK/metrics.py [0:0]


    def __init__(self, short_names=False, last_metric=None):
        """Initialize a new metrics object.

        Parameters
        ----------
        short_names : bool
                Toggle short object tags in output metrics.
        last_metric : Metrics object
                Metric object used for delta metric calculation.
        """
        self.t = tags.Tags(short_names)
        # Header Information
        self._timestamp = int(time.time())
        if last_metric is None:
            self.interval = 0
        else:
            self.interval = self._timestamp - last_metric._timestamp

        # Network Metrics
        self._net_connections = []
        self.listening_tcp_ports = []
        self.listening_udp_ports = []

        # Custom Metrics
        self.cpu_metrics = []

        # Network Stats By Interface
        self.total_counts = {}  # The raw values from the system
        self._interface_stats = {}  # The diff values, if delta metrics are used
        if last_metric is None:
            self._old_interface_stats = {}
        else:
            self._old_interface_stats = last_metric.total_counts

        self.max_list_size = 50