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from __future__ import (absolute_import, print_function, division)
from ..exceptions import ProtocolException
from .. import platform
from .layer import Layer, ServerConnectionMixin
class TransparentProxy(Layer, ServerConnectionMixin):
def __init__(self, ctx):
super(TransparentProxy, self).__init__(ctx)
self.resolver = platform.resolver()
def __call__(self):
try:
self.server_conn.address = self.resolver.original_addr(self.client_conn.connection)
except Exception as e:
raise ProtocolException("Transparent mode failure: %s" % repr(e), e)
layer = self.ctx.next_layer(self)
for message in layer():
if not self._handle_server_message(message):
yield message
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