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Check the token supply when we received a padding event, too.

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We need to check here because otherwise we can try to schedule padding with no
tokens left upon the receipt of a padding event when our bins just became
empty.
This commit is contained in:
Mike Perry 2019-05-15 03:43:57 +00:00 committed by George Kadianakis
parent 148c2d5bab
commit 5638d65f79
1 changed files with 9 additions and 1 deletions
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10
src/core/or/circuitpadding.c
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@ -1699,8 +1699,16 @@ void
circpad_cell_event_padding_sent(circuit_t *on_circ)
{
FOR_EACH_ACTIVE_CIRCUIT_MACHINE_BEGIN(i, on_circ) {
circpad_machine_spec_transition(on_circ->padding_info[i],
/* Check to see if we've run out of tokens for this state already,
* and if not, check for other state transitions */
if (check_machine_token_supply(on_circ->padding_info[i])
== CIRCPAD_STATE_UNCHANGED) {
/* If removing a token did not cause a transition, check if
* non-padding sent event should */
circpad_machine_spec_transition(on_circ->padding_info[i],
CIRCPAD_EVENT_PADDING_SENT);
}
} FOR_EACH_ACTIVE_CIRCUIT_MACHINE_END;
}