def _dispatch_message(self, m, disp_table):
        # XXX validation
        type = m[0]
        try:
            f = disp_table[type]
        except __HOLE__:
            # ignore messages with unknown type
            return
        f(m[1:])
dataset/ETHPy150Open osrg/ryu/ryu/lib/rpc.py/MessageEncoder._dispatch_message