/*------------------------------------------------------------------------
* db_lookup - look up a link state advertisement in the top. database
*------------------------------------------------------------------------
*/
struct ospf_db *
db_lookup(struct ospf_ar *par, u_long type, u_long lsid)
{
struct ospf_db *pdb;
pdb = par->ar_htable[DBHASH(lsid)];
for (; pdb; pdb = pdb->db_hnext) {
if (pdb->db_lsa.lsa_lsid == lsid &&
pdb->db_lsa.lsa_type == type)
break;
}
return pdb;
}
/*------------------------------------------------------------------------
* db_update - update/insert a link state advertisement
*------------------------------------------------------------------------
*/
int
db_update(struct ospf_ar *par, struct ospf_lsa *plsa)
{
struct ospf_db *pdb;
if (pdb = db_lookup(par, plsa->lsa_type, plsa->lsa_lsid)) {
} else {
int hv;
pdb = db_new(par, plsa);
pdb->db_lnext = par->ar_dblhead;
par->ar_dblhead = pdb;
hv = DBHASH(pdb->db_lsa.lsa_lsid);
pdb->db_hnext = par->ar_htable[hv];
par->ar_htable[hv] = pdb;
}
}
