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from mod_pywebsocket import msgutil
from mod_pywebsocket import common
def web_socket_do_extra_handshake(request):
pmce_offered = False
if request.ws_requested_extensions is not None:
for extension_request in request.ws_requested_extensions:
if extension_request.name() == "permessage-deflate":
pmce_offered = True
if pmce_offered is False:
raise ValueError('permessage-deflate not offered')
def web_socket_transfer_data(request):
while True:
rcvd = msgutil.receive_message(request)
opcode = request.ws_stream.get_last_received_opcode()
if (opcode == common.OPCODE_BINARY):
msgutil.send_message(request, rcvd, binary=True)
elif (opcode == common.OPCODE_TEXT):
msgutil.send_message(request, rcvd)
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