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""" This class helps to handle multi-home physical loops (two ports). """ |
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from typing import Optional |
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from kytos.core.common import EntityStatus |
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from kytos.core.controller import Controller |
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from kytos.core.interface import Interface |
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class ProxyPort: |
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"""This class helps to handle multi-home physical loops (two ports). |
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source interface is where the loop starts |
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destination interface is where the loop ends |
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evc_ids are which evc ids this proxy port is being used by |
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""" |
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def __init__(self, controller: Controller, source: Interface): |
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self.controller = controller |
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self.source = source |
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self.evc_ids: set[str] = set() |
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@property |
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def destination(self) -> Optional[Interface]: |
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"""Destination interface of the loop.""" |
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if ( |
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"looped" not in self.source.metadata |
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or "port_numbers" not in self.source.metadata["looped"] |
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or not self.source.metadata["looped"]["port_numbers"] |
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or len(self.source.metadata["looped"]["port_numbers"]) < 2 |
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): |
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return None |
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destination = self.source.switch.get_interface_by_port_no( |
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self.source.metadata["looped"]["port_numbers"][1] |
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) |
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if not destination: |
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return None |
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return destination |
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@property |
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def status(self) -> EntityStatus: |
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"""ProxyPort status.""" |
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if ( |
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self.source.status == EntityStatus.UP |
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and self.destination |
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and self.destination.status == EntityStatus.UP |
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): |
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return EntityStatus.UP |
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return EntityStatus.DOWN |
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def __repr__(self) -> str: |
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"""Repr method.""" |
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return f"ProxyPort({self.source}, {self.destination}, {self.status})" |
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