def _on_remote_error(self):
     logging.debug("Running in the TCPRelayHandler class. [_on_remote_error]")
     logging.warn('got remote error')
     common.error_to_file('got remote error',self._config)
     if self._remote_sock:
         logging.error(eventloop.get_sock_error(self._remote_sock))
         common.error_to_file(eventloop.get_sock_error(self._remote_sock),self._config)
     self.destroy()

 def _on_remote_error(self):
     logging.debug('got remote error')
     if self._remote_sock:
         logging.error(eventloop.get_sock_error(self._remote_sock))
         if self._remote_address:
             logging.error("when connect to %s:%d" % (self._remote_address[0], self._remote_address[1]))
         else:
             logging.error("exception from %s:%d" % (self._client_address[0], self._client_address[1]))
     self.destroy()

 def _on_remote_error(self):
     logging.debug('got remote error')
     if self._remote_sock:
         logging.error(eventloop.get_sock_error(self._remote_sock))
     self.destroy()

 def _on_local_error(self):
     logging.debug('got local error')
     if self._local_sock:
         logging.error(eventloop.get_sock_error(self._local_sock))
     self.destroy()

 def _on_local_error(self):
     logging.debug('got local error')
     if self._local_sock:
         logging.error(eventloop.get_sock_error(self._local_sock))
         logging.error("exception from %s:%d" % (self._client_address[0], self._client_address[1]))
     self.destroy()