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63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
"""ZTE: show arp [| one-line]."""
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from __future__ import annotations
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import re
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from typing import Any
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_ARP_AGE_TIME_RE = re.compile(r"^\d{1,2}:\d{2}:\d{2}$")
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def is_valid_arp_age(age: str) -> bool:
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"""True when Age looks like a dynamic timer (HH:MM:SS), not static flags like H."""
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return bool(_ARP_AGE_TIME_RE.match(str(age or "").strip()))
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def normalize_arp(
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*,
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raw_text: str,
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vendor: str = "",
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device_type: str = "",
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command: str = "",
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params: dict[str, str] | None = None,
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) -> list[dict[str, Any]]:
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_ = (vendor, device_type, command, params)
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out: list[dict[str, Any]] = []
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seen: set[tuple[str, str]] = set()
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ip_re = re.compile(r"^\d{1,3}(?:\.\d{1,3}){3}$")
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for raw in str(raw_text or "").splitlines():
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line = raw.strip()
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if not line or line.startswith("---") or line.lower().startswith("arp protect"):
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continue
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if line.lower().startswith("the count"):
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continue
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if "hardware" in line.lower() and "address" in line.lower():
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continue
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parts = line.split()
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if len(parts) < 4 or not ip_re.match(parts[0]):
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continue
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ip = parts[0]
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age = parts[1]
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mac = parts[2]
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iface = parts[3]
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exter = parts[4] if len(parts) > 4 else ""
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inter = parts[5] if len(parts) > 5 else ""
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sub = parts[6] if len(parts) > 6 else ""
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key = (ip, iface)
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if key in seen:
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continue
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seen.add(key)
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dynamic = is_valid_arp_age(age)
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out.append(
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{
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"ip": ip[:64],
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"age": age[:32],
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"mac": mac[:64],
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"interface": iface[:128],
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"exter_vlan": exter[:32],
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"inter_vlan": inter[:32],
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"sub_interface": sub[:128],
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"entry_type": "dynamic" if dynamic else "static",
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}
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)
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return out
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