## page was renamed from DNS/実装/djbdns/dnscache/query.c
## page was renamed from DNS/dnscache/query.c
= DNS/dnscache/query.c =
について、ここに記述してください。
<<Navigation(children,)>>

[[DNS/query_type/any]]  [[/any_type]]

http://cr.yp.to/djbdns/dns_transmit.html

{{{
#ifndef QUERY_H
#define QUERY_H

#include "dns.h"
#include "uint32.h"

#define QUERY_MAXLEVEL 5
#define QUERY_MAXALIAS 16
#define QUERY_MAXNS 16

struct query {
  unsigned int loop;
  unsigned int level;
  char *name[QUERY_MAXLEVEL];
  char *control[QUERY_MAXLEVEL]; /* pointing inside name */
  char *ns[QUERY_MAXLEVEL][QUERY_MAXNS];
  char servers[QUERY_MAXLEVEL][64];
  char *alias[QUERY_MAXALIAS];
  uint32 aliasttl[QUERY_MAXALIAS];
  char localip[4];
  char type[2];
  char class[2];
  struct dns_transmit dt;
} ;

extern int query_start(struct query *,char *,char *,char *,char *);
extern void query_io(struct query *,iopause_fd *,struct taia *);
extern int query_get(struct query *,iopause_fd *,struct taia *);

extern void query_forwardonly(void);

#endif
}}}


{{{
static int flagforwardonly = 0;
static void cachegeneric(const char type[2],const char *d,const char *data,unsigned int datalen,uint32 ttl)
static char save_buf[8192];
static unsigned int save_len;
static unsigned int save_ok;
static void save_start(void)
static void save_data(const char *buf,unsigned int len)
static void save_finish(const char type[2],const char *d,uint32 ttl)
static int typematch(const char rtype[2],const char qtype[2])
static uint32 ttlget(char buf[4])
static void cleanup(struct query *z)
static int rqa(struct query *z)
static int globalip(char *d,char ip[4])
static char *t1 = 0;
static char *t2 = 0;
static char *t3 = 0;
static char *cname = 0;
static char *referral = 0;
static unsigned int *records = 0;
static int smaller(char *buf,unsigned int len,unsigned int pos1,unsigned int pos2)
static int doit(struct query *z,int state)
}}}