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import asyncio
import socket
from ..._errors import ProxyError
from ... import _abc as abc
DEFAULT_RECEIVE_SIZE = 65536
class AsyncioSocketStream(abc.AsyncSocketStream):
_loop: asyncio.AbstractEventLoop = None
_socket = None
def __init__(self, sock: socket.socket, loop: asyncio.AbstractEventLoop):
self._loop = loop
self._socket = sock
async def write_all(self, data):
await self._loop.sock_sendall(self._socket, data)
async def read(self, max_bytes=DEFAULT_RECEIVE_SIZE):
return await self._loop.sock_recv(self._socket, max_bytes)
async def read_exact(self, n):
data = bytearray()
while len(data) < n:
packet = await self._loop.sock_recv(self._socket, n - len(data))
if not packet: # pragma: no cover
raise ProxyError('Connection closed unexpectedly')
data += packet
return data
async def close(self):
if self._socket is not None:
self._socket.close()
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