1 | """ This class helps to handle multi-home physical loops (two ports). """ |
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2 | |||
3 | 1 | from typing import Optional |
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4 | |||
5 | 1 | from kytos.core.common import EntityStatus |
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6 | 1 | from kytos.core.controller import Controller |
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7 | 1 | from kytos.core.interface import Interface |
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8 | |||
9 | |||
10 | 1 | class ProxyPort: |
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11 | """This class helps to handle multi-home physical loops (two ports). |
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12 | |||
13 | source interface is where the loop starts |
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14 | destination interface is where the loop ends |
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15 | evc_ids are which evc ids this proxy port is being used by |
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16 | |||
17 | """ |
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18 | |||
19 | 1 | def __init__(self, controller: Controller, source: Interface): |
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20 | 1 | self.controller = controller |
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21 | 1 | self.source = source |
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22 | 1 | self.evc_ids: set[str] = set() |
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23 | |||
24 | 1 | @property |
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25 | 1 | def destination(self) -> Optional[Interface]: |
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26 | """Destination interface of the loop.""" |
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27 | 1 | if ( |
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28 | "looped" not in self.source.metadata |
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29 | or "port_numbers" not in self.source.metadata["looped"] |
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30 | or not self.source.metadata["looped"]["port_numbers"] |
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31 | or len(self.source.metadata["looped"]["port_numbers"]) < 2 |
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32 | ): |
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33 | 1 | return None |
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34 | |||
35 | 1 | destination = self.source.switch.get_interface_by_port_no( |
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36 | self.source.metadata["looped"]["port_numbers"][1] |
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37 | ) |
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38 | 1 | if not destination: |
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39 | return None |
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40 | |||
41 | 1 | return destination |
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42 | |||
43 | 1 | @property |
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44 | 1 | def status(self) -> EntityStatus: |
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45 | """ProxyPort status.""" |
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46 | 1 | if ( |
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47 | self.source.status == EntityStatus.UP |
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48 | and self.destination |
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49 | and self.destination.status == EntityStatus.UP |
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50 | ): |
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51 | 1 | return EntityStatus.UP |
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52 | return EntityStatus.DOWN |
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53 | |||
54 | 1 | def __repr__(self) -> str: |
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55 | """Repr method.""" |
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56 | return f"ProxyPort({self.source}, {self.destination}, {self.status})" |
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57 |