commit d10ae9c02808c10b19bca66cdc1972616b2b6646 Author: Sebastian Hahn sebastian@torproject.org Date: Thu Sep 1 05:21:50 2011 +0200

Don't update AccountingSoftLimitHitAt on startup

Add a "default" state which we use until we've decided whether we're live or hibernating. This allows us to properly track whether we're resuming a hibernation period or not. Fixes bug 2003. --- changes/bug2003 | 8 ++++++++ src/or/hibernate.c | 18 +++++++++++++----- 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/changes/bug2003 b/changes/bug2003 new file mode 100644 index 0000000..f1298dd --- /dev/null +++ b/changes/bug2003 @@ -0,0 +1,8 @@ + o Major bugfixes: + - Don't update the AccountingSoftLimitHitAt state file entry whenever + tor gets started. This prevents a wrong average bandwidth estimate, + which would cause relays to always start a new accounting interval at + the earliest possible moment. Fixes bug 2003; bugfix on 0.2.2.7-alpha. + Reported by BryonEldridge, who also helped immensely in tracking this + bug down. Thanks! + diff --git a/src/or/hibernate.c b/src/or/hibernate.c index aebce4c..badc96b 100644 --- a/src/or/hibernate.c +++ b/src/or/hibernate.c @@ -41,14 +41,17 @@ typedef enum { HIBERNATE_STATE_LOWBANDWIDTH=3, /** We are hibernating, and we won't wake up till there's more bandwidth to * use. */ - HIBERNATE_STATE_DORMANT=4 + HIBERNATE_STATE_DORMANT=4, + /** We start out in state default, which means we havent decided which state + * we're in. */ + HIBERNATE_STATE_INITIAL=5 } hibernate_state_t;

extern long stats_n_seconds_working; /* published uptime */

/** Are we currently awake, asleep, running out of bandwidth, or shutting * down? */ -static hibernate_state_t hibernate_state = HIBERNATE_STATE_LIVE; +static hibernate_state_t hibernate_state = HIBERNATE_STATE_INITIAL; /** If are hibernating, when do we plan to wake up? Set to 0 if we * aren't hibernating. */ static time_t hibernate_end_time = 0; @@ -804,10 +807,12 @@ static void hibernate_end(hibernate_state_t new_state) { tor_assert(hibernate_state == HIBERNATE_STATE_LOWBANDWIDTH || - hibernate_state == HIBERNATE_STATE_DORMANT); + hibernate_state == HIBERNATE_STATE_DORMANT || + hibernate_state == HIBERNATE_STATE_INITIAL);

/* listeners will be relaunched in run_scheduled_events() in main.c */ - log_notice(LD_ACCT,"Hibernation period ended. Resuming normal activity."); + if (hibernate_state != HIBERNATE_STATE_INITIAL) + log_notice(LD_ACCT,"Hibernation period ended. Resuming normal activity.");

hibernate_state = new_state; hibernate_end_time = 0; /* no longer hibernating */ @@ -939,7 +944,8 @@ consider_hibernation(time_t now)

/* Else, we aren't hibernating. See if it's time to start hibernating, or to * go dormant. */ - if (hibernate_state == HIBERNATE_STATE_LIVE) { + if (hibernate_state == HIBERNATE_STATE_LIVE || + hibernate_state == HIBERNATE_STATE_INITIAL) { if (hibernate_soft_limit_reached()) { log_notice(LD_ACCT, "Bandwidth soft limit reached; commencing hibernation. " @@ -951,6 +957,8 @@ consider_hibernation(time_t now) "Commencing hibernation. We will wake up at %s local time.", buf); hibernate_go_dormant(now); + } else if (hibernate_state == HIBERNATE_STATE_INITIAL) { + hibernate_end(HIBERNATE_STATE_LIVE); } }