[tor-commits] [tor/master] Update dirvote_act() to return the time of its next action.

[nickm@xxxxxxxxxxxxxx]

commit 9870497f9df909c6a48a6f6c1e82171e99aa33a4
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Thu Apr 26 17:42:43 2018 -0400

    Update dirvote_act() to return the time of its next action.
    
    This is remarkably simple, given the macros in the last commit.
---
 src/or/dirauth/dirvote.c | 19 +++++++++++++++----
 src/or/dirauth/dirvote.h |  5 +++--
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/or/dirauth/dirvote.c b/src/or/dirauth/dirvote.c
index 90f8d2227..36f328d6c 100644
--- a/src/or/dirauth/dirvote.c
+++ b/src/or/dirauth/dirvote.c
@@ -2731,12 +2731,14 @@ get_detached_signatures_from_pending_consensuses(pending_consensus_t *pending,
 
 /**
  * Entry point: Take whatever voting actions are pending as of <b>now</b>.
+ *
+ * Return the time at which the next action should be taken.
  */
-void
+time_t
 dirvote_act(const or_options_t *options, time_t now)
 {
   if (!authdir_mode_v3(options))
-    return;
+    return TIME_MAX;
   tor_assert_nonfatal(voting_schedule.voting_starts);
   /* If we haven't initialized this object through this codeflow, we need to
    * recalculate the timings to match our vote. The reason to do that is if we
@@ -2754,8 +2756,13 @@ dirvote_act(const or_options_t *options, time_t now)
   }
 
 #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 (! voting_schedule.done_field) {                   \
+    if (voting_schedule.when_field > now) {             \
+      return voting_schedule.when_field;                \
+    } else {
+#define ENDIF \
+    }           \
+  }
 
   IF_TIME_FOR_NEXT_ACTION(voting_starts, have_voted) {
     log_notice(LD_DIR, "Time to vote.");
@@ -2792,8 +2799,12 @@ 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);
+    return voting_schedule.voting_starts;
   } ENDIF
 
+  tor_assert_nonfatal_unreached();
+  return now + 1;
+
 #undef ENDIF
 #undef IF_TIME_FOR_NEXT_ACTION
 }
diff --git a/src/or/dirauth/dirvote.h b/src/or/dirauth/dirvote.h
index f69e872c8..729496292 100644
--- a/src/or/dirauth/dirvote.h
+++ b/src/or/dirauth/dirvote.h
@@ -96,7 +96,7 @@
  */
 #ifdef HAVE_MODULE_DIRAUTH
 
-void dirvote_act(const or_options_t *options, time_t now);
+time_t dirvote_act(const or_options_t *options, time_t now);
 void dirvote_free_all(void);
 
 void dirvote_parse_sr_commits(networkstatus_t *ns, smartlist_t *tokens);
@@ -114,11 +114,12 @@ int dirvote_add_signatures(const char *detached_signatures_body,
 
 #else /* HAVE_MODULE_DIRAUTH */
 
-static inline void
+static inline time_t
 dirvote_act(const or_options_t *options, time_t now)
 {
   (void) options;
   (void) now;
+  return TIME_MAX;
 }
 
 static inline void



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