[tor-commits] [tor/master] Ensure that voting is rescheduled whenever the schedule changes.

[nickm@xxxxxxxxxxxxxx]

commit 234e317ef17de111a48c8bb6dba9e84d346afe25
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Fri Apr 27 09:55:05 2018 -0400

    Ensure that voting is rescheduled whenever the schedule changes.
---
 src/or/config.c        |  5 ++++-
 src/or/main.c          | 12 ++++++++++++
 src/or/main.h          |  1 +
 src/or/networkstatus.c |  1 +
 4 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/or/config.c b/src/or/config.c
index 3719ac884..1c2b4cf10 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -1,3 +1,4 @@
+
 /* Copyright (c) 2001 Matej Pfajfar.
  * Copyright (c) 2001-2004, Roger Dingledine.
  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
@@ -2329,8 +2330,10 @@ options_act(const or_options_t *old_options)
 
   /* We may need to reschedule some directory stuff if our status changed. */
   if (old_options) {
-    if (authdir_mode_v3(options) && !authdir_mode_v3(old_options))
+    if (authdir_mode_v3(options) && !authdir_mode_v3(old_options)) {
       dirvote_recalculate_timing(options, time(NULL));
+      reschedule_dirvote(options);
+    }
     if (!bool_eq(directory_fetches_dir_info_early(options),
                  directory_fetches_dir_info_early(old_options)) ||
         !bool_eq(directory_fetches_dir_info_later(options),
diff --git a/src/or/main.c b/src/or/main.c
index 8bc89817a..0708e647f 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -1436,6 +1436,7 @@ STATIC periodic_event_item_t periodic_events[] = {
  * can access them by name.  We also keep them inside periodic_events[]
  * so that we can implement "reset all timers" in a reasonable way. */
 static periodic_event_item_t *check_descriptor_event=NULL;
+static periodic_event_item_t *dirvote_event=NULL;
 static periodic_event_item_t *fetch_networkstatus_event=NULL;
 static periodic_event_item_t *launch_descriptor_fetches_event=NULL;
 static periodic_event_item_t *check_dns_honesty_event=NULL;
@@ -1535,6 +1536,7 @@ initialize_periodic_events(void)
   STMT_BEGIN name ## _event = find_periodic_event( #name ); STMT_END
 
   NAMED_CALLBACK(check_descriptor);
+  NAMED_CALLBACK(dirvote);
   NAMED_CALLBACK(fetch_networkstatus);
   NAMED_CALLBACK(launch_descriptor_fetches);
   NAMED_CALLBACK(check_dns_honesty);
@@ -2001,6 +2003,16 @@ dirvote_callback(time_t now, const or_options_t *options)
   }
 }
 
+/** Reschedule the directory-authority voting event.  Run this whenever the
+ * schedule has changed. */
+void
+reschedule_dirvote(const or_options_t *options)
+{
+  if (periodic_events_initialized && authdir_mode_v3(options)) {
+    periodic_event_reschedule(dirvote_event);
+  }
+}
+
 /**
  * Periodic callback: If our consensus is too old, recalculate whether
  * we can actually use it.
diff --git a/src/or/main.h b/src/or/main.h
index 836dbf1ca..a312b51e0 100644
--- a/src/or/main.h
+++ b/src/or/main.h
@@ -62,6 +62,7 @@ void reset_all_main_loop_timers(void);
 void reschedule_descriptor_update_check(void);
 void reschedule_directory_downloads(void);
 void reschedule_or_state_save(void);
+void reschedule_dirvote(const or_options_t *options);
 void mainloop_schedule_postloop_cleanup(void);
 void rescan_periodic_events(const or_options_t *options);
 
diff --git a/src/or/networkstatus.c b/src/or/networkstatus.c
index 5ca320d28..1267d9d6b 100644
--- a/src/or/networkstatus.c
+++ b/src/or/networkstatus.c
@@ -2001,6 +2001,7 @@ networkstatus_set_current_consensus(const char *consensus,
      * object so we can use the timings in there needed by some subsystems
      * such as hidden service and shared random. */
     dirvote_recalculate_timing(options, now);
+    reschedule_dirvote(options);
 
     nodelist_set_consensus(c);
 



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