'Register this thread with the throttler.'

def Register(self, thread):

    thread_id = id(thread)
    for throttle_name in self.throttles.iterkeys():
        self.transferred[throttle_name][thread_id] = 0
        self.prior_block[throttle_name][thread_id] = 0
        self.totals[throttle_name][thread_id] = 0
