diff options
-rw-r--r-- | src/resolve/resolved-dns-server.c | 44 | ||||
-rw-r--r-- | src/resolve/resolved-dns-server.h | 14 | ||||
-rw-r--r-- | src/resolve/resolved-dns-transaction.c | 2 |
3 files changed, 30 insertions, 30 deletions
diff --git a/src/resolve/resolved-dns-server.c b/src/resolve/resolved-dns-server.c index e6e4feeedd..a57385d47d 100644 --- a/src/resolve/resolved-dns-server.c +++ b/src/resolve/resolved-dns-server.c @@ -68,8 +68,8 @@ int dns_server_new( s->n_ref = 1; s->manager = m; - s->verified_features = _DNS_SERVER_FEATURE_LEVEL_INVALID; - s->possible_features = DNS_SERVER_FEATURE_LEVEL_BEST; + s->verified_feature_level = _DNS_SERVER_FEATURE_LEVEL_INVALID; + s->possible_feature_level = DNS_SERVER_FEATURE_LEVEL_BEST; s->features_grace_period_usec = DNS_SERVER_FEATURE_GRACE_PERIOD_MIN_USEC; s->received_udp_packet_max = DNS_PACKET_UNICAST_SIZE_MAX; s->type = type; @@ -224,25 +224,25 @@ void dns_server_move_back_and_unmark(DnsServer *s) { } } -void dns_server_packet_received(DnsServer *s, DnsServerFeatureLevel features, usec_t rtt, size_t size) { +void dns_server_packet_received(DnsServer *s, DnsServerFeatureLevel level, usec_t rtt, size_t size) { assert(s); - if (features == DNS_SERVER_FEATURE_LEVEL_LARGE) { + if (level == DNS_SERVER_FEATURE_LEVEL_LARGE) { /* Even if we successfully receive a reply to a request announcing support for large packets, that does not mean we can necessarily receive large packets. */ - if (s->verified_features < DNS_SERVER_FEATURE_LEVEL_LARGE - 1) { - s->verified_features = DNS_SERVER_FEATURE_LEVEL_LARGE - 1; + if (s->verified_feature_level < DNS_SERVER_FEATURE_LEVEL_LARGE - 1) { + s->verified_feature_level = DNS_SERVER_FEATURE_LEVEL_LARGE - 1; assert_se(sd_event_now(s->manager->event, clock_boottime_or_monotonic(), &s->verified_usec) >= 0); } - } else if (s->verified_features < features) { - s->verified_features = features; + } else if (s->verified_feature_level < level) { + s->verified_feature_level = level; assert_se(sd_event_now(s->manager->event, clock_boottime_or_monotonic(), &s->verified_usec) >= 0); } - if (s->possible_features == features) + if (s->possible_feature_level == level) s->n_failed_attempts = 0; /* Remember the size of the largest UDP packet we received from a server, @@ -257,11 +257,11 @@ void dns_server_packet_received(DnsServer *s, DnsServerFeatureLevel features, us } } -void dns_server_packet_lost(DnsServer *s, DnsServerFeatureLevel features, usec_t usec) { +void dns_server_packet_lost(DnsServer *s, DnsServerFeatureLevel level, usec_t usec) { assert(s); assert(s->manager); - if (s->possible_features == features) + if (s->possible_feature_level == level) s->n_failed_attempts ++; if (s->resend_timeout > usec) @@ -270,11 +270,11 @@ void dns_server_packet_lost(DnsServer *s, DnsServerFeatureLevel features, usec_t s->resend_timeout = MIN(s->resend_timeout * 2, DNS_TIMEOUT_MAX_USEC); } -void dns_server_packet_failed(DnsServer *s, DnsServerFeatureLevel features) { +void dns_server_packet_failed(DnsServer *s, DnsServerFeatureLevel level) { assert(s); assert(s->manager); - if (s->possible_features != features) + if (s->possible_feature_level != level) return; s->n_failed_attempts = (unsigned) -1; @@ -310,36 +310,36 @@ static bool dns_server_grace_period_expired(DnsServer *s) { return true; } -DnsServerFeatureLevel dns_server_possible_features(DnsServer *s) { +DnsServerFeatureLevel dns_server_possible_feature_level(DnsServer *s) { assert(s); - if (s->possible_features != DNS_SERVER_FEATURE_LEVEL_BEST && + if (s->possible_feature_level != DNS_SERVER_FEATURE_LEVEL_BEST && dns_server_grace_period_expired(s)) { _cleanup_free_ char *ip = NULL; - s->possible_features = DNS_SERVER_FEATURE_LEVEL_BEST; + s->possible_feature_level = DNS_SERVER_FEATURE_LEVEL_BEST; s->n_failed_attempts = 0; s->verified_usec = 0; s->rrsig_missing = false; in_addr_to_string(s->family, &s->address, &ip); log_info("Grace period over, resuming full feature set for DNS server %s", strna(ip)); - } else if (s->possible_features <= s->verified_features) - s->possible_features = s->verified_features; + } else if (s->possible_feature_level <= s->verified_feature_level) + s->possible_feature_level = s->verified_feature_level; else if (s->n_failed_attempts >= DNS_SERVER_FEATURE_RETRY_ATTEMPTS && - s->possible_features > DNS_SERVER_FEATURE_LEVEL_WORST) { + s->possible_feature_level > DNS_SERVER_FEATURE_LEVEL_WORST) { _cleanup_free_ char *ip = NULL; - s->possible_features --; + s->possible_feature_level --; s->n_failed_attempts = 0; s->verified_usec = 0; in_addr_to_string(s->family, &s->address, &ip); log_warning("Using degraded feature set (%s) for DNS server %s", - dns_server_feature_level_to_string(s->possible_features), strna(ip)); + dns_server_feature_level_to_string(s->possible_feature_level), strna(ip)); } - return s->possible_features; + return s->possible_feature_level; } int dns_server_adjust_opt(DnsServer *server, DnsPacket *packet, DnsServerFeatureLevel level) { diff --git a/src/resolve/resolved-dns-server.h b/src/resolve/resolved-dns-server.h index 638f29548f..da21e6571a 100644 --- a/src/resolve/resolved-dns-server.h +++ b/src/resolve/resolved-dns-server.h @@ -64,8 +64,8 @@ struct DnsServer { usec_t resend_timeout; usec_t max_rtt; - DnsServerFeatureLevel verified_features; - DnsServerFeatureLevel possible_features; + DnsServerFeatureLevel verified_feature_level; + DnsServerFeatureLevel possible_feature_level; size_t received_udp_packet_max; unsigned n_failed_attempts; usec_t verified_usec; @@ -99,11 +99,13 @@ DnsServer* dns_server_unref(DnsServer *s); void dns_server_unlink(DnsServer *s); void dns_server_move_back_and_unmark(DnsServer *s); -void dns_server_packet_received(DnsServer *s, DnsServerFeatureLevel features, usec_t rtt, size_t size); -void dns_server_packet_lost(DnsServer *s, DnsServerFeatureLevel features, usec_t usec); -void dns_server_packet_failed(DnsServer *s, DnsServerFeatureLevel features); +void dns_server_packet_received(DnsServer *s, DnsServerFeatureLevel level, usec_t rtt, size_t size); +void dns_server_packet_lost(DnsServer *s, DnsServerFeatureLevel level, usec_t usec); +void dns_server_packet_failed(DnsServer *s, DnsServerFeatureLevel level); void dns_server_packet_rrsig_missing(DnsServer *s); +DnsServerFeatureLevel dns_server_possible_feature_level(DnsServer *s); + int dns_server_adjust_opt(DnsServer *server, DnsPacket *packet, DnsServerFeatureLevel level); DnsServer *dns_server_find(DnsServer *first, int family, const union in_addr_union *in_addr); @@ -120,6 +122,4 @@ void manager_next_dns_server(Manager *m); DEFINE_TRIVIAL_CLEANUP_FUNC(DnsServer*, dns_server_unref); -DnsServerFeatureLevel dns_server_possible_features(DnsServer *s); - extern const struct hash_ops dns_server_hash_ops; diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c index 97aceae381..3ca4a5ab74 100644 --- a/src/resolve/resolved-dns-transaction.c +++ b/src/resolve/resolved-dns-transaction.c @@ -318,7 +318,7 @@ static int dns_transaction_pick_server(DnsTransaction *t) { if (!server) return -ESRCH; - t->current_features = dns_server_possible_features(server); + t->current_features = dns_server_possible_feature_level(server); if (server == t->server) return 0; |