зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.9 KiB
Python
110 строки
3.9 KiB
Python
# Copyright 2014 Google Inc. All rights reserved.
|
|
#
|
|
# Use of this source code is governed by a BSD-style
|
|
# license that can be found in the COPYING file or at
|
|
# https://developers.google.com/open-source/licenses/bsd
|
|
|
|
|
|
from mod_pywebsocket import util
|
|
|
|
|
|
class XHRBenchmarkHandler(object):
|
|
def __init__(self, headers, rfile, wfile):
|
|
self._logger = util.get_class_logger(self)
|
|
|
|
self.headers = headers
|
|
self.rfile = rfile
|
|
self.wfile = wfile
|
|
|
|
def do_send(self):
|
|
content_length = int(self.headers.getheader('Content-Length'))
|
|
|
|
self._logger.debug('Requested to receive %s bytes', content_length)
|
|
|
|
RECEIVE_BLOCK_SIZE = 1024 * 1024
|
|
|
|
bytes_to_receive = content_length
|
|
while bytes_to_receive > 0:
|
|
bytes_to_receive_in_this_loop = bytes_to_receive
|
|
if bytes_to_receive_in_this_loop > RECEIVE_BLOCK_SIZE:
|
|
bytes_to_receive_in_this_loop = RECEIVE_BLOCK_SIZE
|
|
received_data = self.rfile.read(bytes_to_receive_in_this_loop)
|
|
if received_data != ('a' * bytes_to_receive_in_this_loop):
|
|
self._logger.debug('Request body verification failed')
|
|
return
|
|
bytes_to_receive -= len(received_data)
|
|
if bytes_to_receive < 0:
|
|
self._logger.debug('Received %d more bytes than expected' %
|
|
(-bytes_to_receive))
|
|
return
|
|
|
|
# Return the number of received bytes back to the client.
|
|
response_body = '%d' % content_length
|
|
self.wfile.write(
|
|
'HTTP/1.1 200 OK\r\n'
|
|
'Content-Type: text/html\r\n'
|
|
'Content-Length: %d\r\n'
|
|
'\r\n%s' % (len(response_body), response_body))
|
|
self.wfile.flush()
|
|
|
|
def do_receive(self):
|
|
content_length = int(self.headers.getheader('Content-Length'))
|
|
request_body = self.rfile.read(content_length)
|
|
|
|
request_array = request_body.split(' ')
|
|
if len(request_array) < 2:
|
|
self._logger.debug('Malformed request body: %r', request_body)
|
|
return
|
|
|
|
# Parse the size parameter.
|
|
bytes_to_send = request_array[0]
|
|
try:
|
|
bytes_to_send = int(bytes_to_send)
|
|
except ValueError, e:
|
|
self._logger.debug('Malformed size parameter: %r', bytes_to_send)
|
|
return
|
|
self._logger.debug('Requested to send %s bytes', bytes_to_send)
|
|
|
|
# Parse the transfer encoding parameter.
|
|
chunked_mode = False
|
|
mode_parameter = request_array[1]
|
|
if mode_parameter == 'chunked':
|
|
self._logger.debug('Requested chunked transfer encoding')
|
|
chunked_mode = True
|
|
elif mode_parameter != 'none':
|
|
self._logger.debug('Invalid mode parameter: %r', mode_parameter)
|
|
return
|
|
|
|
# Write a header
|
|
response_header = (
|
|
'HTTP/1.1 200 OK\r\n'
|
|
'Content-Type: application/octet-stream\r\n')
|
|
if chunked_mode:
|
|
response_header += 'Transfer-Encoding: chunked\r\n\r\n'
|
|
else:
|
|
response_header += (
|
|
'Content-Length: %d\r\n\r\n' % bytes_to_send)
|
|
self.wfile.write(response_header)
|
|
self.wfile.flush()
|
|
|
|
# Write a body
|
|
SEND_BLOCK_SIZE = 1024 * 1024
|
|
|
|
while bytes_to_send > 0:
|
|
bytes_to_send_in_this_loop = bytes_to_send
|
|
if bytes_to_send_in_this_loop > SEND_BLOCK_SIZE:
|
|
bytes_to_send_in_this_loop = SEND_BLOCK_SIZE
|
|
|
|
if chunked_mode:
|
|
self.wfile.write('%x\r\n' % bytes_to_send_in_this_loop)
|
|
self.wfile.write('a' * bytes_to_send_in_this_loop)
|
|
if chunked_mode:
|
|
self.wfile.write('\r\n')
|
|
self.wfile.flush()
|
|
|
|
bytes_to_send -= bytes_to_send_in_this_loop
|
|
|
|
if chunked_mode:
|
|
self.wfile.write('0\r\n\r\n')
|
|
self.wfile.flush()
|