diff options
| -rw-r--r-- | src/or/circuituse.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/or/circuituse.c b/src/or/circuituse.c index de62100919..bdaf7d8119 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -410,6 +410,15 @@ circuit_expire_building(void) } while (0) /** + * Because circuit build timeout is calculated only based on 3 hop + * general purpose circuit construction, we need to scale the timeout + * to make it properly apply to longer circuits, and circuits of + * certain usage types. The following diagram illustrates how we + * derive the scaling below. In short, we calculate the number + * of times our telescoping-based circuit construction causes cells + * to traverse each link for the circuit purpose types in question, + * and then assume each link is equivalent. + * * OP --a--> A --b--> B --c--> C * OP --a--> A --b--> B --c--> C --d--> D * @@ -665,8 +674,8 @@ circuit_expire_building(void) /* For path bias: we want to let these guys live for a while * so we get a chance to test them. */ log_info(LD_CIRC, - "Allowing cannibalized circuit %d time to finish building as a " - "pathbias testing circ.", + "Allowing cannibalized circuit %d time to finish building " + "as a pathbias testing circ.", TO_ORIGIN_CIRCUIT(victim)->global_identifier); circuit_change_purpose(victim, CIRCUIT_PURPOSE_PATH_BIAS_TESTING); continue; /* It now should have a longer timeout next time */ @@ -732,7 +741,7 @@ circuit_expire_building(void) if (victim->n_chan) log_info(LD_CIRC, - "Abandoning circ %u %s:%hd (state %d,%d:%s, purpose %hhd, " + "Abandoning circ %u %s:%d (state %d,%d:%s, purpose %d, " "len %d)", TO_ORIGIN_CIRCUIT(victim)->global_identifier, channel_get_canonical_remote_descr(victim->n_chan), victim->n_circ_id, @@ -742,7 +751,7 @@ circuit_expire_building(void) TO_ORIGIN_CIRCUIT(victim)->build_state->desired_path_len); else log_info(LD_CIRC, - "Abandoning circ %u %hd (state %d,%d:%s, purpose %hhd, len %d)", + "Abandoning circ %u %d (state %d,%d:%s, purpose %d, len %d)", TO_ORIGIN_CIRCUIT(victim)->global_identifier, victim->n_circ_id, TO_ORIGIN_CIRCUIT(victim)->has_opened, victim->state, |