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46 lines
1.4 KiB
46 lines
1.4 KiB
from typing import Dict, Optional, Tuple, Union
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from a2s.a2s_async import request_async
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from a2s.a2s_sync import request_sync
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from a2s.byteio import ByteReader
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from a2s.defaults import DEFAULT_ENCODING, DEFAULT_TIMEOUT
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A2S_RULES_RESPONSE = 0x45
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def rules(
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address: Tuple[str, int],
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timeout: float = DEFAULT_TIMEOUT,
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encoding: str = DEFAULT_ENCODING,
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) -> Dict[Union[str, bytes], Union[str, bytes]]:
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return request_sync(address, timeout, encoding, RulesProtocol)
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async def arules(
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address: Tuple[str, int],
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timeout: float = DEFAULT_TIMEOUT,
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encoding: str = DEFAULT_ENCODING,
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) -> Dict[Union[str, bytes], Union[str, bytes]]:
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return await request_async(address, timeout, encoding, RulesProtocol)
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class RulesProtocol:
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@staticmethod
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def validate_response_type(response_type: int) -> bool:
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return response_type == A2S_RULES_RESPONSE
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@staticmethod
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def serialize_request(challenge: int) -> bytes:
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return b"\x56" + challenge.to_bytes(4, "little")
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@staticmethod
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def deserialize_response(
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reader: ByteReader, response_type: int, ping: Optional[float]
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) -> Dict[Union[str, bytes], Union[str, bytes]]:
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rule_count = reader.read_int16()
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# Have to use tuples to preserve evaluation order
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resp = dict(
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(reader.read_cstring(), reader.read_cstring())
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for _ in range(rule_count)
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)
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return resp
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