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Hibernate if we start tor during the "wait for wakeup-time" phase of an accounting interval. Log our hibernation plans better.

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svn:r2869
This commit is contained in:
Nick Mathewson 2004-11-14 21:11:06 +00:00
parent a732727a2b
commit bb80d60fe7
1 changed files with 34 additions and 12 deletions
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46
src/or/hibernate.c
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@ -310,6 +310,10 @@ accounting_set_wakeup_time(void)
interval_wakeup_time = interval_start_time + interval_wakeup_time = interval_start_time +
24*60*60 * (unsigned char)digest[0]; 24*60*60 * (unsigned char)digest[0];
format_iso_time(buf, interval_wakeup_time);
log_fn(LOG_INFO, "Configured hibernation interval: Decided to wake up %d days into the interval, at %s GMT",
(int)(unsigned char)digest[0], buf);
} }
/* XXXX009 This should also get called on HUP and shutdown. */ /* XXXX009 This should also get called on HUP and shutdown. */
@ -511,13 +515,16 @@ we_are_hibernating(void) {
/** If we aren't currently dormant, close all connections and become /** If we aren't currently dormant, close all connections and become
* dormant. */ * dormant. */
static void static void
hibernate_go_dormant(void) { hibernate_go_dormant(time_t now) {
connection_t *conn; connection_t *conn;
if (hibernate_state == HIBERNATE_STATE_DORMANT) if (hibernate_state == HIBERNATE_STATE_DORMANT)
return; return;
else if (hibernate_state == HIBERNATE_STATE_LOWBANDWIDTH)
hibernate_state = HIBERNATE_STATE_DORMANT;
else
hibernate_begin(HIBERNATE_STATE_DORMANT, now);
hibernate_state = HIBERNATE_STATE_DORMANT;
log_fn(LOG_NOTICE,"Going dormant. Blowing away remaining connections."); log_fn(LOG_NOTICE,"Going dormant. Blowing away remaining connections.");
/* Close all OR/AP/exit conns. Leave dir conns because we still want /* Close all OR/AP/exit conns. Leave dir conns because we still want
@ -539,6 +546,8 @@ hibernate_go_dormant(void) {
static void static void
hibernate_end_time_elapsed(time_t now) hibernate_end_time_elapsed(time_t now)
{ {
char buf[ISO_TIME_LEN+1];
/* The interval has ended, or it is wakeup time. Find out which. */ /* The interval has ended, or it is wakeup time. Find out which. */
accounting_run_housekeeping(now); accounting_run_housekeeping(now);
if (interval_wakeup_time <= now) { if (interval_wakeup_time <= now) {
@ -549,9 +558,14 @@ hibernate_end_time_elapsed(time_t now)
} else { } else {
/* The interval has changed, and it isn't time to wake up yet. */ /* The interval has changed, and it isn't time to wake up yet. */
hibernate_end_time = interval_wakeup_time; hibernate_end_time = interval_wakeup_time;
if (hibernate_state != HIBERNATE_STATE_DORMANT) format_iso_time(buf,interval_wakeup_time);
if (hibernate_state != HIBERNATE_STATE_DORMANT) {
/* We weren't sleeping before; we should sleep now. */ /* We weren't sleeping before; we should sleep now. */
hibernate_go_dormant(); log_fn(LOG_NOTICE, "Accounting period ended. Commencing hibernation until %s GMT",buf);
hibernate_go_dormant(now);
} else {
log_fn(LOG_NOTICE, "Accounting period ended. This period, we will hibernate until %s GMT",buf);
}
} }
} }
@ -559,6 +573,8 @@ hibernate_end_time_elapsed(time_t now)
* to start/stop hibernating. * to start/stop hibernating.
*/ */
void consider_hibernation(time_t now) { void consider_hibernation(time_t now) {
int accounting_enabled = get_options()->AccountingMaxKB != 0;
char buf[ISO_TIME_LEN+1];
/* If we're in 'exiting' mode, then we just shut down after the interval /* If we're in 'exiting' mode, then we just shut down after the interval
* elapses. */ * elapses. */
@ -575,7 +591,7 @@ void consider_hibernation(time_t now) {
if(hibernate_state == HIBERNATE_STATE_DORMANT) { if(hibernate_state == HIBERNATE_STATE_DORMANT) {
/* We've been hibernating because of bandwidth accounting. */ /* We've been hibernating because of bandwidth accounting. */
tor_assert(hibernate_end_time); tor_assert(hibernate_end_time);
if (hibernate_end_time > now) { if (hibernate_end_time > now && accounting_enabled) {
/* If we're hibernating, don't wake up until it's time, regardless of /* If we're hibernating, don't wake up until it's time, regardless of
* whether we're in a new interval. */ * whether we're in a new interval. */
return ; return ;
@ -586,19 +602,25 @@ void consider_hibernation(time_t now) {
/* Else, we aren't hibernating. See if it's time to start hibernating, or to /* Else, we aren't hibernating. See if it's time to start hibernating, or to
* go dormant. */ * go dormant. */
if (hibernate_state == HIBERNATE_STATE_LIVE && if (hibernate_state == HIBERNATE_STATE_LIVE) {
hibernate_soft_limit_reached()) { if (hibernate_soft_limit_reached()) {
log_fn(LOG_NOTICE,"Bandwidth soft limit reached; commencing hibernation."); log_fn(LOG_NOTICE,"Bandwidth soft limit reached; commencing hibernation.");
hibernate_begin(HIBERNATE_STATE_LOWBANDWIDTH, now); hibernate_begin(HIBERNATE_STATE_LOWBANDWIDTH, now);
} else if (accounting_enabled && now < interval_wakeup_time) {
format_iso_time(buf,interval_wakeup_time);
log_fn(LOG_NOTICE, "Commencing hibernation. We will wake up at %s GMT",buf);
hibernate_go_dormant(now);
}
} }
if (hibernate_state == HIBERNATE_STATE_LOWBANDWIDTH) { if (hibernate_state == HIBERNATE_STATE_LOWBANDWIDTH) {
if (hibernate_hard_limit_reached()) { if (!accounting_enabled) {
hibernate_go_dormant(); hibernate_end_time_elapsed(now);
} else if (hibernate_hard_limit_reached()) {
hibernate_go_dormant(now);
} else if (hibernate_end_time <= now) { } else if (hibernate_end_time <= now) {
/* The hibernation period ended while we were still in lowbandwidth.*/ /* The hibernation period ended while we were still in lowbandwidth.*/
hibernate_end_time_elapsed(now); hibernate_end_time_elapsed(now);
} }
} }
} }