def status(self, request):
request.response.content_type = 'text/html'
msg = request.url_data.get('message', 'test error')
raise HttpException(msg, status=request.urlargs['status'])
def _response(self, environ):
exc_info = None
response = None
done = False
alive = self.cfg.keep_alive or 15
while not done:
done = True
try:
if exc_info is None:
if 'SERVER_NAME' not in environ:
raise HttpException(status=400)
response = self.wsgi_callable(environ, self.start_response)
if isfuture(response):
response = yield from wait_for(response, alive)
else:
response = handle_wsgi_error(environ, exc_info)
if isfuture(response):
response = yield from wait_for(response, alive)
#
if exc_info:
self.start_response(response.status,
response.get_headers(), exc_info)
#
# Do the actual writing
loop = self._loop
start = loop.time()
for chunk in response:
if isfuture(chunk):
chunk = yield from wait_for(chunk, alive)
start = loop.time()
result = self.write(chunk)
if isfuture(result):
yield from wait_for(result, alive)
start = loop.time()
else:
time_in_loop = loop.time() - start
if time_in_loop > MAX_TIME_IN_LOOP:
self.logger.debug(
'Released the event loop after %.3f seconds',
time_in_loop)
yield None
start = loop.time()
#
# make sure we write headers and last chunk if needed
self.write(b'', True)
except IOError: # client disconnected, end this connection
self.finished()
except Exception:
if wsgi_request(environ).cache.handle_wsgi_error:
self.keep_alive = False
self._write_headers()
self.connection.close()
self.finished()
else:
done = False
exc_info = sys.exc_info()
else:
if not self.keep_alive:
self.connection.close()
self.finished()
log_wsgi_info(self.logger.info, environ, self.status)
finally:
if hasattr(response, 'close'):
try:
response.close()
except Exception:
self.logger.exception(
'Error while closing wsgi iterator')
def fail(self):
if self.waiting_expect():
raise HttpException(status=417)
def raise_large_body_error(limit):
raise HttpException(
"Request content length too large. Limit is %s" %
convert_bytes(limit),
status=LARGE_BODY_CODE
)
