DNS_SERVER_LINK,
} DnsServerType;
-#include "resolved-manager.h"
+typedef enum DnsServerFeatureLevel {
+ DNS_SERVER_FEATURE_LEVEL_TCP,
+ DNS_SERVER_FEATURE_LEVEL_UDP,
+ DNS_SERVER_FEATURE_LEVEL_EDNS0,
+ DNS_SERVER_FEATURE_LEVEL_DO,
+ DNS_SERVER_FEATURE_LEVEL_LARGE,
+ _DNS_SERVER_FEATURE_LEVEL_MAX,
+ _DNS_SERVER_FEATURE_LEVEL_INVALID = -1
+} DnsServerFeatureLevel;
+
+#define DNS_SERVER_FEATURE_LEVEL_WORST 0
+#define DNS_SERVER_FEATURE_LEVEL_BEST (_DNS_SERVER_FEATURE_LEVEL_MAX - 1)
+
+const char* dns_server_feature_level_to_string(int i) _const_;
+int dns_server_feature_level_from_string(const char *s) _pure_;
+
#include "resolved-link.h"
+#include "resolved-manager.h"
struct DnsServer {
Manager *manager;
int family;
union in_addr_union address;
+ bool marked:1;
+
usec_t resend_timeout;
usec_t max_rtt;
- bool marked:1;
+ DnsServerFeatureLevel verified_features;
+ DnsServerFeatureLevel possible_features;
+ size_t received_udp_packet_max;
+ unsigned n_failed_attempts;
+ usec_t verified_usec;
+ usec_t features_grace_period_usec;
/* If linked is set, then this server appears in the servers linked list */
bool linked:1;
void dns_server_unlink(DnsServer *s);
void dns_server_move_back_and_unmark(DnsServer *s);
-void dns_server_packet_received(DnsServer *s, usec_t rtt);
-void dns_server_packet_lost(DnsServer *s, usec_t usec);
+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);
DnsServer *dns_server_find(DnsServer *first, int family, const union in_addr_union *in_addr);
DEFINE_TRIVIAL_CLEANUP_FUNC(DnsServer*, dns_server_unref);
+DnsServerFeatureLevel dns_server_possible_features(DnsServer *s);
+
extern const struct hash_ops dns_server_hash_ops;