def write_message_unlocked():
if self._socket.protocol is None:
# Tornado is maybe supposed to do this, but in fact it
# tries to do _socket.protocol.write_message when protocol
# is None and throws AttributeError or something. So avoid
# trying to write to the closed socket. There doesn't seem
# to be an obvious public function to check if the socket
# is closed.
raise WebSocketError("Connection to the server has been closed")
future = self._socket.write_message(message, binary)
# don't await this future or we're blocking on ourselves!
return future
def write_message_unlocked():
if self._socket.protocol is None:
# Tornado is maybe supposed to do this, but in fact it
# tries to do _socket.protocol.write_message when protocol
# is None and throws AttributeError or something. So avoid
# trying to write to the closed socket. There doesn't seem
# to be an obvious public function to check if the socket
# is closed.
raise WebSocketError("Connection to the server has been closed")
future = self._socket.write_message(message, binary)
if future is None:
# tornado >= 4.3 gives us a Future, simulate that
# with this fake Future on < 4.3
future = Future()
future.set_result(None)
# don't yield this future or we're blocking on ourselves!
raise gen.Return(future)
