commit ae9e6b547df8efe3eab40237cb4646e158d4d8b0 Author: Matt Traudt <sirmatt@ksu.edu> Date: Fri Sep 15 10:28:52 2017 -0400 sched: add comment about how we determine if a socket should write --- src/or/scheduler_kist.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/or/scheduler_kist.c b/src/or/scheduler_kist.c index 3a897f5bf..913cb4dce 100644 --- a/src/or/scheduler_kist.c +++ b/src/or/scheduler_kist.c @@ -375,6 +375,10 @@ socket_can_write(socket_table_t *table, const channel_t *chan) return 1; // Just return true, saying that kist wouldn't limit the socket } + /* We previously caclulated a write limit for this socket. In the below + * calculation, first determine how much room is left in bytes. Then divide + * that by the amount of space a cell takes. If there's room for at least 1 + * cell, then KIST will allow the socket to write. */ int64_t kist_limit_space = (int64_t) (ent->limit - ent->written) / (CELL_MAX_NETWORK_SIZE + TLS_PER_CELL_OVERHEAD);