resolved: flush all caches if SIGUSR2 is received
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@ -466,6 +466,21 @@ static int manager_sigusr1(sd_event_source *s, const struct signalfd_siginfo *si
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return 0;
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}
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static int manager_sigusr2(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
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Manager *m = userdata;
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DnsScope *scope;
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assert(s);
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assert(si);
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assert(m);
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LIST_FOREACH(scopes, scope, m->dns_scopes)
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dns_cache_flush(&scope->cache);
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log_info("Flushed all caches.");
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return 0;
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}
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int manager_new(Manager **ret) {
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_cleanup_(manager_freep) Manager *m = NULL;
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int r;
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@ -526,6 +541,7 @@ int manager_new(Manager **ret) {
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return r;
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(void) sd_event_add_signal(m->event, &m->sigusr1_event_source, SIGUSR1, manager_sigusr1, m);
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(void) sd_event_add_signal(m->event, &m->sigusr2_event_source, SIGUSR2, manager_sigusr2, m);
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*ret = m;
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m = NULL;
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@ -584,6 +600,7 @@ Manager *manager_free(Manager *m) {
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sd_bus_unref(m->bus);
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sd_event_source_unref(m->sigusr1_event_source);
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sd_event_source_unref(m->sigusr2_event_source);
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sd_event_unref(m->event);
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@ -120,6 +120,7 @@ struct Manager {
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sd_bus_slot *prepare_for_sleep_slot;
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sd_event_source *sigusr1_event_source;
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sd_event_source *sigusr2_event_source;
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unsigned n_transactions_total;
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unsigned n_dnssec_verdict[_DNSSEC_VERDICT_MAX];
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@ -71,7 +71,7 @@ int main(int argc, char *argv[]) {
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if (r < 0)
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goto finish;
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assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, SIGUSR1, -1) >= 0);
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assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, SIGUSR1, SIGUSR2, -1) >= 0);
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r = manager_new(&m);
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if (r < 0) {
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