Start refactoring dirvote_act() towards self-scheduling

This change should have no behavioral effect: it just uses macros to
describe the current control flow.
This commit is contained in:
Nick Mathewson 2018-04-26 17:37:09 -04:00
parent bbf0b92b1c
commit 4f184415cc

View File

@ -2729,7 +2729,9 @@ get_detached_signatures_from_pending_consensuses(pending_consensus_t *pending,
return signatures;
}
/** Entry point: Take whatever voting actions are pending as of <b>now</b>. */
/**
* Entry point: Take whatever voting actions are pending as of <b>now</b>.
*/
void
dirvote_act(const or_options_t *options, time_t now)
{
@ -2750,33 +2752,36 @@ dirvote_act(const or_options_t *options, time_t now)
tor_free(keys);
dirvote_recalculate_timing(options, now);
}
if (voting_schedule.voting_starts < now && !voting_schedule.have_voted) {
#define IF_TIME_FOR_NEXT_ACTION(when_field, done_field) \
if (voting_schedule.when_field < now && !voting_schedule.done_field) do {
#define ENDIF } while(0);
IF_TIME_FOR_NEXT_ACTION(voting_starts, have_voted) {
log_notice(LD_DIR, "Time to vote.");
dirvote_perform_vote();
voting_schedule.have_voted = 1;
}
if (voting_schedule.fetch_missing_votes < now &&
!voting_schedule.have_fetched_missing_votes) {
} ENDIF
IF_TIME_FOR_NEXT_ACTION(fetch_missing_votes, have_fetched_missing_votes) {
log_notice(LD_DIR, "Time to fetch any votes that we're missing.");
dirvote_fetch_missing_votes();
voting_schedule.have_fetched_missing_votes = 1;
}
if (voting_schedule.voting_ends < now &&
!voting_schedule.have_built_consensus) {
} ENDIF
IF_TIME_FOR_NEXT_ACTION(voting_ends, have_built_consensus) {
log_notice(LD_DIR, "Time to compute a consensus.");
dirvote_compute_consensuses();
/* XXXX We will want to try again later if we haven't got enough
* votes yet. Implement this if it turns out to ever happen. */
voting_schedule.have_built_consensus = 1;
}
if (voting_schedule.fetch_missing_signatures < now &&
!voting_schedule.have_fetched_missing_signatures) {
} ENDIF
IF_TIME_FOR_NEXT_ACTION(fetch_missing_signatures,
have_fetched_missing_signatures) {
log_notice(LD_DIR, "Time to fetch any signatures that we're missing.");
dirvote_fetch_missing_signatures();
voting_schedule.have_fetched_missing_signatures = 1;
}
if (voting_schedule.interval_starts < now &&
!voting_schedule.have_published_consensus) {
} ENDIF
IF_TIME_FOR_NEXT_ACTION(interval_starts,
have_published_consensus) {
log_notice(LD_DIR, "Time to publish the consensus and discard old votes");
dirvote_publish_consensus();
dirvote_clear_votes(0);
@ -2787,7 +2792,10 @@ dirvote_act(const or_options_t *options, time_t now)
/* XXXX We will want to try again later if we haven't got enough
* signatures yet. Implement this if it turns out to ever happen. */
dirvote_recalculate_timing(options, now);
}
} ENDIF
#undef ENDIF
#undef IF_TIME_FOR_NEXT_ACTION
}
/** A vote networkstatus_t and its unparsed body: held around so we can