def handle(self, listener, client, addr):
        req = None
        try:
            parser = http.RequestParser(self.cfg, client)
            try:
                listener_name = listener.getsockname()
                if not self.cfg.keepalive:
                    req = six.next(parser)
                    self.handle_request(listener_name, req, client, addr)
                else:
                    # keepalive loop
                    proxy_protocol_info = {}
                    while True:
                        req = None
                        with self.timeout_ctx():
                            req = six.next(parser)
                        if not req:
                            break
                        if req.proxy_protocol_info:
                            proxy_protocol_info = req.proxy_protocol_info
                        else:
                            req.proxy_protocol_info = proxy_protocol_info
                        self.handle_request(listener_name, req, client, addr)
            except http.errors.NoMoreData as e:
                self.log.debug("Ignored premature client disconnection. %s", e)
            except StopIteration as e:
                self.log.debug("Closing connection. %s", e)
            except ssl.SSLError:
                # pass to next try-except level
                six.reraise(*sys.exc_info())
            except EnvironmentError:
                # pass to next try-except level
                six.reraise(*sys.exc_info())
            except Exception as e:
                self.handle_error(req, client, addr, e)
        except ssl.SSLError as e:
            if e.args[0] == ssl.SSL_ERROR_EOF:
                self.log.debug("ssl connection closed")
                client.close()
            else:
                self.log.debug("Error processing SSL request.")
                self.handle_error(req, client, addr, e)
        except EnvironmentError as e:
            if (errno.EPIPE, errno.ECONNRESET) not in e.errno:
                self.log.exception("Socket error processing request.")
            else:
                if e.errno == errno.ECONNRESET:
                    self.log.debug("Ignoring connection reset")
                else:
                    self.log.debug("Ignoring EPIPE")
        except Exception as e:
            self.handle_error(req, client, addr, e)
        finally:
            util.close(client)
dataset/ETHPy150Open benoitc/gunicorn/gunicorn/workers/async.py/AsyncWorker.handle/swapped operands of `not in`