infra_host_data Struct Reference

Host information encompasses host capabilities and retransmission timeouts. More...

#include <infra.h>

Data Fields
uint32_t	ttl
	TTL value for this entry.
struct rtt_info	rtt
	round trip times for timeout calculation
struct lruhash *	lameness
	Names of the zones that are lame.
int	edns_version
	edns version that the host supports, -1 means no EDNS
uint8_t	edns_lame_known
	if the EDNS lameness is already known or not.
uint8_t	num_timeouts
	Number of consequtive timeouts; reset when reply arrives OK.

---

Detailed Description

Host information encompasses host capabilities and retransmission timeouts.

---

Field Documentation

uint32_t infra_host_data::ttl

TTL value for this entry.

absolute time.

Referenced by infra_edns_update(), infra_get_lame_rtt(), infra_host(), infra_lookup_host(), infra_rtt_update(), infra_test(), and new_host_entry().

struct lruhash* infra_host_data::lameness

Names of the zones that are lame.

NULL=no lame zones.

Referenced by count_host_lame(), infra_host_deldatafunc(), infra_lookup_lame(), infra_set_lame(), and new_host_entry().

uint8_t infra_host_data::edns_lame_known

if the EDNS lameness is already known or not.

EDNS lame is when EDNS queries or replies are dropped, and cause a timeout

Referenced by infra_edns_update(), infra_host(), and new_host_entry().

uint8_t infra_host_data::num_timeouts

Number of consequtive timeouts; reset when reply arrives OK.

Referenced by infra_get_lame_rtt(), infra_rtt_update(), and new_host_entry().

---

The documentation for this struct was generated from the following file:

• services/cache/infra.h