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resolved: use CLOCK_BOOTTIME instead of CLOCK_MONOTONIC when aging caches and timeing out transactions

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That way the cache doens't get confused when the system is suspended.
This commit is contained in:
Lennart Poettering 2014-08-01 00:55:51 +02:00
parent 7da40fc108
commit 9a015429b3
4 changed files with 20 additions and 5 deletions
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4
src/resolve/resolved-dns-cache.c
View File

@ -153,7 +153,7 @@ void dns_cache_prune(DnsCache *c) {
break;
if (t <= 0)
t = now(CLOCK_MONOTONIC);
t = now(CLOCK_BOOTTIME);
if (i->until > t)
break;
@ -376,7 +376,7 @@ int dns_cache_put(DnsCache *c, DnsQuestion *q, int rcode, DnsAnswer *answer, uns
dns_cache_make_space(c, answer->n_rrs + q->n_keys);
if (timestamp <= 0)
timestamp = now(CLOCK_MONOTONIC);
timestamp = now(CLOCK_BOOTTIME);
/* Second, add in positive entries for all contained RRs */
for (i = 0; i < MIN(max_rrs, answer->n_rrs); i++) {

7
src/resolve/resolved-dns-query.c
View File

@ -278,7 +278,12 @@ int dns_query_go(DnsQuery *q) {
q->answer_ifindex = 0;
q->answer_rcode = 0;
r = sd_event_add_time(q->manager->event, &q->timeout_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + QUERY_TIMEOUT_USEC, 0, on_query_timeout, q);
r = sd_event_add_time(
q->manager->event,
&q->timeout_event_source,
clock_boottime_or_monotonic(),
now(clock_boottime_or_monotonic()) + QUERY_TIMEOUT_USEC, 0,
on_query_timeout, q);
if (r < 0)
goto fail;

7
src/resolve/resolved-dns-stream.c
View File

@ -368,7 +368,12 @@ int dns_stream_new(Manager *m, DnsStream **ret, DnsProtocol protocol, int fd) {
if (r < 0)
return r;
r = sd_event_add_time(m->event, &s->timeout_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + DNS_STREAM_TIMEOUT_USEC, 0, on_stream_timeout, s);
r = sd_event_add_time(
m->event,
&s->timeout_event_source,
clock_boottime_or_monotonic(),
now(clock_boottime_or_monotonic()) + DNS_STREAM_TIMEOUT_USEC, 0,
on_stream_timeout, s);
if (r < 0)
return r;

7
src/resolve/resolved-dns-transaction.c
View File

@ -515,7 +515,12 @@ int dns_transaction_go(DnsTransaction *t) {
return dns_transaction_go(t);
}
r = sd_event_add_time(t->scope->manager->event, &t->timeout_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + TRANSACTION_TIMEOUT_USEC(t->scope->protocol), 0, on_transaction_timeout, t);
r = sd_event_add_time(
t->scope->manager->event,
&t->timeout_event_source,
clock_boottime_or_monotonic(),
now(clock_boottime_or_monotonic()) + TRANSACTION_TIMEOUT_USEC(t->scope->protocol), 0,
on_transaction_timeout, t);
if (r < 0)
return r;