39 lines
947 B
Python
39 lines
947 B
Python
"""Sans I/O wire protocol for Hypercore"""
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from typing import List, Optional
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import attr
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import pyvarint
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__all__ = ["SimpleMessageChannel"]
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@attr.s(auto_attribs=True)
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class SimpleMessageChannel:
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"""A simple message channel."""
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message: Optional[bytes] = None
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ptr: int = 0
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varint: int = 0
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factor: int = 1
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length: int = 0
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header: int = 0
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state: int = 0
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consumed: int = 0
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max_size: int = 8 * 1024 * 1024
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types: List = attr.Factory(list)
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receiving: bool = False
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destroyed: bool = False
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error: Optional[Exception] = None
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# TODO(decentral1se): need to lookup type of what is being passed in
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# context: ???
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# TODO(decentral1se): allow to override instead of callback interface!?
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# onmissing: ???
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# onmessage: ???
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async def send(self, channel: int, type: int, message: bytes) -> bytes:
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pass
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# TODO(decentral1se): spec out the context manager API of recv
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