1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
|
/*
* $Id: res_def.h,v 1.7 2008/06/24 00:12:56 chopin Exp $
*
* ircd/res_def.h (C)opyright 1992 Darren Reed.
*/
#define RES_INITLIST 1
#define RES_CALLINIT 2
#define RES_INITSOCK 4
#define RES_INITDEBG 8
#define RES_INITCACH 16
#define MAXPACKET 1024
#define MAXALIASES 35
#define MAXADDRS 35
#define AR_TTL 600 /* TTL in seconds for dns cache entries */
#define FLG_A_VALID 1
#ifdef INET6
#define FLG_AAAA_VALID 2
#endif
#define FLG_PTR_PEND_FWD 4
#define FLG_PTR_PEND_REV 8
#define FLG_PTR_PEND (FLG_PTR_PEND_FWD|FLG_PTR_PEND_REV)
#define FLG_PTR_VALID 16
struct hent {
char *h_name; /* official name of host */
char *h_aliases[MAXALIASES]; /* alias list */
int h_addrtype; /* host address type */
int h_length; /* length of address */
/* list of addresses from name server */
struct IN_ADDR h_addr_list[MAXADDRS];
#define h_addr h_addr_list[0] /* address, for backward compatiblity */
};
typedef struct reslist {
int id;
int sent; /* number of requests sent */
int srch;
time_t ttl;
char type;
char retries; /* retry counter */
char sends; /* number of sends (>1 means resent) */
char resend; /* send flag. 0 == dont resend */
time_t sentat;
time_t timeout;
struct IN_ADDR addr;
char *name;
struct reslist *next;
Link cinfo;
struct hent he;
} ResRQ;
typedef struct cache {
time_t expireat;
time_t ttl;
int flags;
struct hostent he;
struct cache *hname_next, *hnum_next, *list_next;
} aCache;
typedef struct cachetable {
aCache *num_list;
aCache *name_list;
} CacheTable;
/* must be a prime */
#define ARES_CACSIZE 1009
/* should be around twice smaller */
#define MAXCACHED 512
|