36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
from libp2p.typing import NegotiableTransport
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from .multiselect_communicator_interface import IMultiselectCommunicator
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class MultiselectCommunicator(IMultiselectCommunicator):
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"""
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Communicator helper class that ensures both the client
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and multistream module will follow the same multistream protocol,
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which is necessary for them to work
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"""
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reader_writer: NegotiableTransport
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def __init__(self, reader_writer: NegotiableTransport) -> None:
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"""
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MultistreamCommunicator expects a reader_writer object that has
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an async read and an async write function (this could be a stream,
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raw connection, or other object implementing those functions)
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"""
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self.reader_writer = reader_writer
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async def write(self, msg_str: str) -> None:
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"""
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Write message to reader_writer
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:param msg_str: message to write
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"""
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await self.reader_writer.write(msg_str.encode())
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async def read_stream_until_eof(self) -> str:
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"""
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Reads message from reader_writer until EOF
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"""
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read_str = (await self.reader_writer.read()).decode()
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return read_str
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