Fix a couple of smaller issues with gathering statistics.

- Avoid memmoving 0 bytes which might lead to compiler warnings.

- Don't require relays to be entry node AND bridge at the same to time to
  record clients.

- Fix a memory leak when writing dirreq-stats.

- Don't say in the stats files that measurement intervals are twice as long
  as they really are.

- Reduce minimum observation time for requests to 12 hours, or we might
  never record usage.

- Clear exit stats correctly after writing them, or we accumulate old stats
  over time.

- Reset interval start for buffer stats, too.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/or/main.c b/src/or/main.c
index c33d1b39b4..25182919ae 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -981,7 +981,6 @@ run_scheduled_events(time_t now)
         time_to_write_stats_files = now + WRITE_STATS_INTERVAL;
       } else {
         /* Write stats to disk. */
-        time_to_write_stats_files += WRITE_STATS_INTERVAL;
         if (options->CellStatistics)
           rep_hist_buffer_stats_write(time_to_write_stats_files);
         if (options->DirReqStatistics)
@@ -990,6 +989,7 @@ run_scheduled_events(time_t now)
           geoip_entry_stats_write(time_to_write_stats_files);
         if (options->ExitPortStatistics)
           rep_hist_exit_stats_write(time_to_write_stats_files);
+        time_to_write_stats_files += WRITE_STATS_INTERVAL;
       }
     } else {
       /* Never write stats to disk */