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authorDavid Goulet <dgoulet@torproject.org>2018-02-15 13:45:21 -0500
committerDavid Goulet <dgoulet@torproject.org>2018-02-15 13:45:21 -0500
commit6b1dba214db3058b143bbb4d4c4bdfee32d100f1 (patch)
tree7a1571fee4f643a0481840a1059224bd91e68724 /src/or/networkstatus.c
parentf6a230ec9555688d61db37eb22c8823619332d83 (diff)
downloadtor-6b1dba214db3058b143bbb4d4c4bdfee32d100f1.tar.gz
tor-6b1dba214db3058b143bbb4d4c4bdfee32d100f1.zip
cmux: Make EWMA policy mandatory
To achieve this, a default value for the CircuitPriorityHalflife option was needed. We still look in the options and then the consensus but in case no value can be found, the default CircuitPriorityHalflifeMsec=30000 is used. It it the value we've been using since 0.2.4.4-alpha. This means that EWMA, our only policy, can not be disabled anymore fallbacking to the round robin algorithm. Unneeded code to control that is removed in this commit. Part of #25268 Signed-off-by: David Goulet <dgoulet@torproject.org>
Diffstat (limited to 'src/or/networkstatus.c')
-rw-r--r--src/or/networkstatus.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/src/or/networkstatus.c b/src/or/networkstatus.c
index 31ecb20985..80cdc9e5b4 100644
--- a/src/or/networkstatus.c
+++ b/src/or/networkstatus.c
@@ -1779,7 +1779,6 @@ networkstatus_set_current_consensus(const char *consensus,
consensus_waiting_for_certs_t *waiting = NULL;
time_t current_valid_after = 0;
int free_consensus = 1; /* Free 'c' at the end of the function */
- int old_ewma_enabled;
int checked_protocols_already = 0;
if (flav < 0) {
@@ -2003,17 +2002,8 @@ networkstatus_set_current_consensus(const char *consensus,
/* XXXXNM Microdescs: needs a non-ns variant. ???? NM*/
update_consensus_networkstatus_fetch_time(now);
- /* Update ewma and adjust policy if needed; first cache the old value */
- old_ewma_enabled = cell_ewma_enabled();
/* Change the cell EWMA settings */
cell_ewma_set_scale_factor(options, c);
- /* If we just enabled ewma, set the cmux policy on all active channels */
- if (cell_ewma_enabled() && !old_ewma_enabled) {
- channel_set_cmux_policy_everywhere(&ewma_policy);
- } else if (!cell_ewma_enabled() && old_ewma_enabled) {
- /* Turn it off everywhere */
- channel_set_cmux_policy_everywhere(NULL);
- }
/* XXXX this call might be unnecessary here: can changing the
* current consensus really alter our view of any OR's rate limits? */