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import socket
from .._errors import ProxyError
from .. import _abc as abc
DEFAULT_RECEIVE_SIZE = 65536
class SyncSocketStream(abc.SyncSocketStream):
_socket: socket.socket = None
def __init__(self, sock: socket.socket):
self._socket = sock
def write_all(self, data):
self._socket.sendall(data)
def read(self, max_bytes=DEFAULT_RECEIVE_SIZE):
return self._socket.recv(max_bytes)
def read_exact(self, n):
data = bytearray()
while len(data) < n:
packet = self._socket.recv(n - len(data))
if not packet: # pragma: no cover
raise ProxyError('Connection closed unexpectedly')
data += packet
return data
def close(self):
if self._socket is not None:
self._socket.close()
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