14 lines
326 B
Python
14 lines
326 B
Python
from __future__ import annotations
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PROTOCOL_VERSION: int = 1
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def negotiate_version(client_min: int, client_max: int) -> int | None:
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server_max = PROTOCOL_VERSION
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server_min = 1
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negotiated = min(client_max, server_max)
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if negotiated >= max(client_min, server_min):
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return negotiated
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return None
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