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      1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 import struct
      6 
      7 from mod_pywebsocket import stream
      8 
      9 
     10 def web_socket_do_extra_handshake(_request):
     11   pass
     12 
     13 
     14 def web_socket_transfer_data(request):
     15   line = request.ws_stream.receive_message()
     16   if line is None:
     17     return
     18   if line == '-':
     19     data = ''
     20   elif line == '--':
     21     data = 'X'
     22   else:
     23     code, reason = line.split(' ', 1)
     24     data = struct.pack('!H', int(code)) + reason.encode('utf-8')
     25   request.connection.write(stream.create_close_frame(data))
     26