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""" This class helps to handle multi-home physical loops (two ports). """
from typing import Optional
from kytos.core.common import EntityStatus
from kytos.core.controller import Controller
from kytos.core.interface import Interface
class ProxyPort:
"""This class helps to handle multi-home physical loops (two ports)."""
def __init__(self, controller: Controller, source: Interface):
self.controller = controller
self.source = source
@property
def destination(self) -> Optional[Interface]:
"""Destination interface of the loop."""
if (
self.source.status != EntityStatus.UP
or "looped" not in self.source.metadata
or "port_numbers" not in self.source.metadata["looped"]
or not self.source.metadata["looped"]["port_numbers"]
or len(self.source.metadata["looped"]["port_numbers"]) < 2
):
return None
destination = self.source.switch.get_interface_by_port_no(
self.source.metadata["looped"]["port_numbers"][1]
)
if not destination or destination.status != EntityStatus.UP:
return destination
def is_ready(self) -> Optional[bool]:
"""Make sure this class has all it needs"""
return self.source and self.destination
kytos-ng /
telemetry_int
