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comment about a bug wrt clock skew

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svn:r3461
This commit is contained in:
Roger Dingledine 2005-01-30 00:07:31 +00:00
parent 50c8a9bffe
commit 8e7fc8d259
1 changed files with 6 additions and 0 deletions
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6
src/or/main.c
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@ -869,6 +869,12 @@ static void second_elapsed_callback(int fd, short event, void *args)
/* the second has rolled over. check more stuff. */
bytes_written = stats_prev_global_write_bucket - global_write_bucket;
bytes_read = stats_prev_global_read_bucket - global_read_bucket;
/* XXX below we get suspicious if time jumps forward more than 10
* seconds, but we never notice if it jumps *back* more than 10 seconds.
* This could be useful for detecting that we just NTP'ed to three
* weeks ago and it will be 3 weeks and 15 minutes until any of our
* events trigger.
*/
seconds_elapsed = current_second ? (now.tv_sec - current_second) : 0;
stats_n_bytes_read += bytes_read;
stats_n_bytes_written += bytes_written;