diff options
Diffstat (limited to 'src/or/circuituse.c')
-rw-r--r-- | src/or/circuituse.c | 47 |
1 files changed, 17 insertions, 30 deletions
diff --git a/src/or/circuituse.c b/src/or/circuituse.c index c2b450606b..9f9d3abf7c 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -1,7 +1,7 @@ /* Copyright (c) 2001 Matej Pfajfar. * Copyright (c) 2001-2004, Roger Dingledine. * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. - * Copyright (c) 2007-2016, The Tor Project, Inc. */ + * Copyright (c) 2007-2017, The Tor Project, Inc. */ /* See LICENSE for licensing information */ /** @@ -705,18 +705,15 @@ circuit_expire_building(void) } } - /* If this is a hidden service client circuit which is far enough - * along in connecting to its destination, and we haven't already - * flagged it as 'timed out', and the user has not told us to - * close such circs immediately on timeout, flag it as 'timed out' - * so we'll launch another intro or rend circ, but don't mark it - * for close yet. + /* If this is a hidden service client circuit which is far enough along in + * connecting to its destination, and we haven't already flagged it as + * 'timed out', flag it so we'll launch another intro or rend circ, but + * don't mark it for close yet. * * (Circs flagged as 'timed out' are given a much longer timeout * period above, so we won't close them in the next call to * circuit_expire_building.) */ - if (!(options->CloseHSClientCircuitsImmediatelyOnTimeout) && - !(TO_ORIGIN_CIRCUIT(victim)->hs_circ_has_timed_out)) { + if (!(TO_ORIGIN_CIRCUIT(victim)->hs_circ_has_timed_out)) { switch (victim->purpose) { case CIRCUIT_PURPOSE_C_REND_READY: /* We only want to spare a rend circ if it has been specified in @@ -750,8 +747,7 @@ circuit_expire_building(void) /* If this is a service-side rendezvous circuit which is far * enough along in connecting to its destination, consider sparing * it. */ - if (!(options->CloseHSServiceRendCircuitsImmediatelyOnTimeout) && - !(TO_ORIGIN_CIRCUIT(victim)->hs_circ_has_timed_out) && + if (!(TO_ORIGIN_CIRCUIT(victim)->hs_circ_has_timed_out) && victim->purpose == CIRCUIT_PURPOSE_S_CONNECT_REND) { log_info(LD_CIRC,"Marking circ %u (state %d:%s, purpose %d) " "as timed-out HS circ; relaunching rendezvous attempt.", @@ -1240,8 +1236,8 @@ circuit_predict_and_launch_new(void) /** Build a new test circuit every 5 minutes */ #define TESTING_CIRCUIT_INTERVAL 300 -/** This function is called once a second, if router_have_min_dir_info() is - * true. Its job is to make sure all services we offer have enough circuits +/** This function is called once a second, if router_have_minimum_dir_info() + * is true. Its job is to make sure all services we offer have enough circuits * available. Some services just want enough circuits for current tasks, * whereas others want a minimum set of idle circuits hanging around. */ @@ -1383,11 +1379,6 @@ circuit_detach_stream(circuit_t *circ, edge_connection_t *conn) tor_fragile_assert(); } -/** If we haven't yet decided on a good timeout value for circuit - * building, we close idles circuits aggressively so we can get more - * data points. */ -#define IDLE_TIMEOUT_WHILE_LEARNING (10*60) - /** Find each circuit that has been unused for too long, or dirty * for too long and has no streams on it: mark it for close. */ @@ -1397,21 +1388,15 @@ circuit_expire_old_circuits_clientside(void) struct timeval cutoff, now; tor_gettimeofday(&now); - cutoff = now; last_expired_clientside_circuits = now.tv_sec; - if (! circuit_build_times_disabled(get_options()) && - circuit_build_times_needs_circuits(get_circuit_build_times())) { - /* Circuits should be shorter lived if we need more of them - * for learning a good build timeout */ - cutoff.tv_sec -= IDLE_TIMEOUT_WHILE_LEARNING; - } else { - cutoff.tv_sec -= get_options()->CircuitIdleTimeout; - } - SMARTLIST_FOREACH_BEGIN(circuit_get_global_list(), circuit_t *, circ) { if (circ->marked_for_close || !CIRCUIT_IS_ORIGIN(circ)) continue; + + cutoff = now; + cutoff.tv_sec -= TO_ORIGIN_CIRCUIT(circ)->circuit_idle_timeout; + /* If the circuit has been dirty for too long, and there are no streams * on it, mark it for close. */ @@ -1437,8 +1422,10 @@ circuit_expire_old_circuits_clientside(void) (circ->purpose >= CIRCUIT_PURPOSE_C_INTRODUCING && circ->purpose <= CIRCUIT_PURPOSE_C_REND_READY_INTRO_ACKED) || circ->purpose == CIRCUIT_PURPOSE_S_CONNECT_REND) { - log_debug(LD_CIRC, - "Closing circuit that has been unused for %ld msec.", + log_info(LD_CIRC, + "Closing circuit "U64_FORMAT + " that has been unused for %ld msec.", + U64_PRINTF_ARG(TO_ORIGIN_CIRCUIT(circ)->global_identifier), tv_mdiff(&circ->timestamp_began, &now)); circuit_mark_for_close(circ, END_CIRC_REASON_FINISHED); } else if (!TO_ORIGIN_CIRCUIT(circ)->is_ancient) { |