//we found some ns
//try to find their ip
int
retrive_ip(mbuf_type *mbuf, uchar * itor, int num, uchar * ip, struct htable *ht, int *fq)
{
struct mvalue *mi = NULL;
int i, xlen, iplen = IP_DATA_LEN;
int got = 0;
uchar *ipbuffer = mbuf->ipbuffer;
*fq = 0;
uchar *nstd, *iitor = ip;
hashval_t hash;
for (i = 0; i < num; i++) {
xlen = strlen((const char *)itor) + 1;
nstd = itor;
itor = itor + xlen;
hash = 0;
xlen =
find_record_with_ttl(ht, nstd, xlen, A, ipbuffer,
iplen - sizeof(struct mvalue), NULL, &hash);
if (xlen > 0) {
mi = (struct mvalue *) ipbuffer;
if (mi->seg > 0) //segment
make_A_record_from_segment(ipbuffer, iitor);
else
memcpy(iitor, ipbuffer, mi->len + sizeof(struct mvalue));
iitor = iitor + mi->len + sizeof(struct mvalue);
iplen = iplen - mi->len - sizeof(struct mvalue);
got++;
}
if (xlen < 0) //iplen is not enough
{
*fq = i;
break;
}
}
if (iitor != ip) //found some ip
{
mi = (struct mvalue *) iitor;
mi->num = 0; //tail 0
mi->ttl = 0;
mi->hits = 0;
mi->len = 0;
return got;
}
return -1; //no ip
}
//we found some ns
//try to find their ip
int retrive_ip(uchar *itor,int num,uchar *ip,struct htable *ht,int *fq)
{
struct mvalue *mi = NULL;
int i,xlen,iplen = IP_DATA_LEN;
int got = 0;
uchar ipbuffer[400] = {0};
*fq = 0;
uchar nstd[512] = {0},*iitor = ip;
for(i = 0;i < num;i ++)
{
nstd[0] = A; //NS's A
xlen = strlen(itor) + 1;
memcpy(nstd + 1,itor,xlen);
itor = itor + xlen;
xlen = find_record_with_ttl(ht,nstd,ipbuffer,iplen - sizeof(struct mvalue),NULL);
if(xlen > 0)
{
mi = (struct mvalue*)ipbuffer;
if(mi->seg > 0) //segment
make_A_record_from_segment(ipbuffer);
//after make_A_xxxx
//ipbuffer changed and mi changed too
memcpy(iitor,ipbuffer,mi->len + sizeof(struct mvalue));
iitor = iitor + mi->len + sizeof(struct mvalue);
iplen = iplen - mi->len - sizeof(struct mvalue);
got ++;
}
if(xlen < 0) //iplen is not enough
{
*fq = i;
break;
}
}
if(iitor != ip) //found some ip
{
mi = (struct mvalue*)iitor;
mi->num = 0; //tail 0
mi->ttl = 0;
mi->hits = 0;
mi->len = 0;
return got;
}
return -1; //no ip
}
