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| author | Lennart Poettering <lennart@poettering.net> | 2014-07-23 00:57:25 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2014-07-23 02:00:40 +0200 |
| commit | 7e8e0422aeb16f2a09a40546c61df753d10029b6 (patch) | |
| tree | c5fd640ba84c1b3c92367aa4540e90c69c557a0b /src/resolve/resolved-dns-rr.c | |
| parent | resolved: rework logic so that we can share transactions between queries of d... (diff) | |
| download | systemd-7e8e0422aeb16f2a09a40546c61df753d10029b6.tar.xz systemd-7e8e0422aeb16f2a09a40546c61df753d10029b6.zip | |
resolved: implement negative caching
Diffstat (limited to 'src/resolve/resolved-dns-rr.c')
| -rw-r--r-- | src/resolve/resolved-dns-rr.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c index c9b564b544..f68eb18425 100644 --- a/src/resolve/resolved-dns-rr.c +++ b/src/resolve/resolved-dns-rr.c @@ -199,6 +199,9 @@ DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr) { else if (rr->key->type == DNS_TYPE_HINFO) { free(rr->hinfo.cpu); free(rr->hinfo.os); + } else if (rr->key->type == DNS_TYPE_SOA) { + free(rr->soa.mname); + free(rr->soa.rname); } else if (!IN_SET(rr->key->type, DNS_TYPE_A, DNS_TYPE_AAAA)) free(rr->generic.data); @@ -229,7 +232,20 @@ int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecor return memcmp(&a->a.in_addr, &b->a.in_addr, sizeof(struct in_addr)) == 0; else if (a->key->type == DNS_TYPE_AAAA) return memcmp(&a->aaaa.in6_addr, &b->aaaa.in6_addr, sizeof(struct in6_addr)) == 0; - else + else if (a->key->type == DNS_TYPE_SOA) { + r = dns_name_equal(a->soa.mname, b->soa.mname); + if (r <= 0) + return r; + r = dns_name_equal(a->soa.rname, b->soa.rname); + if (r <= 0) + return r; + + return a->soa.serial == b->soa.serial && + a->soa.refresh == b->soa.refresh && + a->soa.retry == b->soa.retry && + a->soa.expire == b->soa.expire && + a->soa.minimum == b->soa.minimum; + } else return a->generic.size == b->generic.size && memcmp(a->generic.data, b->generic.data, a->generic.size) == 0; } |