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Diffstat (limited to 'src/resolve/resolved-dns-transaction.c')
| -rw-r--r-- | src/resolve/resolved-dns-transaction.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c index faa1de9143..48da432a12 100644 --- a/src/resolve/resolved-dns-transaction.c +++ b/src/resolve/resolved-dns-transaction.c @@ -465,12 +465,19 @@ int dns_transaction_go(DnsTransaction *t) { t->cached = dns_answer_unref(t->cached); t->cached_rcode = 0; - /* First, let's try the cache */ + /* Before trying the cache, let's make sure we figured out a + * server to use. Should this cause a change of server this + * might flush the cache. */ + dns_scope_get_dns_server(t->scope); + + /* Let's then prune all outdated entries */ dns_cache_prune(&t->scope->cache); + r = dns_cache_lookup(&t->scope->cache, t->question, &t->cached_rcode, &t->cached); if (r < 0) return r; if (r > 0) { + log_debug("Cache hit!"); if (t->cached_rcode == DNS_RCODE_SUCCESS) dns_transaction_complete(t, DNS_TRANSACTION_SUCCESS); else @@ -478,6 +485,8 @@ int dns_transaction_go(DnsTransaction *t) { return 0; } + log_debug("Cache miss!"); + /* Otherwise, we need to ask the network */ r = dns_transaction_make_packet(t); if (r == -EDOM) { |