diff options
Diffstat (limited to 'proto/ospf/lsalib.c')
| -rw-r--r-- | proto/ospf/lsalib.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/proto/ospf/lsalib.c b/proto/ospf/lsalib.c index a7ef804..aa7e1f9 100644 --- a/proto/ospf/lsalib.c +++ b/proto/ospf/lsalib.c @@ -309,11 +309,52 @@ lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2) { if(l1->checksum=!l2->checksum) return l1->checksum<l2->checksum ? CMP_OLDER : CMP_NEWER; - if(l1->age==MAXAGE) return CMP_NEWER; - if(l2->age==MAXAGE) return CMP_OLDER; - if(abs(l1->age-l2->age)>MAXAGEDIFF) + if(l1->age==LSA_MAXAGE) return CMP_NEWER; + if(l2->age==LSA_MAXAGE) return CMP_OLDER; + if(abs(l1->age-l2->age)>LSA_MAXAGEDIFF) return l1->age<l2->age ? CMP_NEWER : CMP_OLDER; } return CMP_SAME; } +/* LSA can be temporarrily, but body must be mb_alloced. */ +struct top_hash_entry * +lsa_install_new(struct ospf_lsa_header *lsa, void *body, struct ospf_area *oa) +{ + int change=0,i; + struct top_hash_entry *en; + + if((en=ospf_hash_find_header(oa->gr,lsa))==NULL) + { + en=ospf_hash_get_header(oa->gr,lsa); + change=1; + s_add_tail(&oa->lsal, SNODE en); + } + else + { + if(en->lsa.options!=lsa->options) change=1; + if((en->lsa.age==LSA_MAXAGE)||(lsa->age==LSA_MAXAGE)) change=1; + if(en->lsa.length!=lsa->length) change=1; + else + { + u8 *k=en->lsa_body,*l=body; + for(i=0;i<lsa->length;i++) + { + if(*(k+i)!=*(l+i)) + { + change=1; + break; + } + } + s_rem_node(SNODE en); + s_add_tail(&oa->lsal, SNODE en); + } + } + en->inst_t=now; + if(en->lsa_body!=NULL)mb_free(en->lsa_body); + en->lsa_body=body; + memcpy(&en->lsa,lsa,sizeof(struct ospf_lsa_header)); + + /* FIXME decide if route calcualtion must be done and how */ + return en; +} |