[tor-commits] [tor/release-0.3.4] Check bandwidth changes only if small uptime

[nickm@xxxxxxxxxxxxxx]

commit 7d70f67deaeea1a3dc80a763f13bcec5d7a2425d
Author: juga0 <juga@xxxxxxxxxx>
Date:   Sun Jun 3 09:31:19 2018 +0000

    Check bandwidth changes only if small uptime
    
    to upload a new descriptor.
---
 src/or/router.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/or/router.c b/src/or/router.c
index 31f2ff00d..ab916fb6e 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -2425,13 +2425,24 @@ mark_my_descriptor_dirty(const char *reason)
  * if our previous bandwidth estimate was exactly 0. */
 #define MAX_BANDWIDTH_CHANGE_FREQ (3*60*60)
 
+/** Maximum uptime to republish our descriptor because of large shifts in
+ * estimated bandwidth. */
+#define MAX_UPTIME_BANDWIDTH_CHANGE (24*60*60)
+
 /** Check whether bandwidth has changed a lot since the last time we announced
- * bandwidth. If so, mark our descriptor dirty. */
+ * bandwidth while the uptime is smaller than MAX_UPTIME_BANDWIDTH_CHANGE.
+ * If so, mark our descriptor dirty. */
 void
 check_descriptor_bandwidth_changed(time_t now)
 {
   static time_t last_changed = 0;
   uint64_t prev, cur;
+
+  /* If the relay uptime is bigger than MAX_UPTIME_BANDWIDTH_CHANGE,
+   * the next regularly scheduled descriptor update (18h) will be enough */
+  if (get_uptime() > MAX_UPTIME_BANDWIDTH_CHANGE)
+    return;
+
   if (!router_get_my_routerinfo())
     return;
 



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