Mercurial > kallithea
view kallithea/config/middleware/wrapper.py @ 8771:f8971422795e
scripts: introduce source_format.py to fix up the module name in file headers
author | Mads Kiilerich <mads@kiilerich.com> |
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date | Sat, 07 Nov 2020 02:29:41 +0100 |
parents | 89f11587b2dc |
children | b3d8a3000a7f |
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# -*- coding: utf-8 -*- # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ kallithea.config.middleware.wrapper ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Wrap app to measure request and response time ... all the way to the response WSGI iterator has been closed. This file was forked by the Kallithea project in July 2014. Original author and date, and relevant copyright and licensing information is below: :created_on: May 23, 2013 :author: marcink :copyright: (c) 2013 RhodeCode GmbH, and others. :license: GPLv3, see LICENSE.md for more details. """ import logging import time from kallithea.lib.base import _get_ip_addr, get_path_info log = logging.getLogger(__name__) class Meter: def __init__(self, start_response): self._start_response = start_response self._start = time.time() self.status = None self._size = 0 def duration(self): return time.time() - self._start def start_response(self, status, response_headers, exc_info=None): self.status = status write = self._start_response(status, response_headers, exc_info) def metered_write(s): self.measure(s) write(s) return metered_write def measure(self, chunk): self._size += len(chunk) def size(self): return self._size class ResultIter: def __init__(self, result, meter, description): self._result_close = getattr(result, 'close', None) or (lambda: None) self._next = iter(result).__next__ self._meter = meter self._description = description def __iter__(self): return self def __next__(self): chunk = self._next() self._meter.measure(chunk) return chunk def close(self): self._result_close() log.info("%s responded %r after %.3fs with %s bytes", self._description, self._meter.status, self._meter.duration(), self._meter.size()) class RequestWrapper(object): def __init__(self, app, config): self.application = app self.config = config def __call__(self, environ, start_response): meter = Meter(start_response) description = "Request from %s for %s" % ( _get_ip_addr(environ), get_path_info(environ), ) log.info("%s received", description) try: result = self.application(environ, meter.start_response) finally: log.info("%s responding %r after %.3fs", description, meter.status, meter.duration()) return ResultIter(result, meter, description)