lsa_cmp moved into lsalib.c

4 files changed, 24 insertions, 23 deletions

diff --git a/proto/ospf/dbdes.c b/proto/ospf/dbdes.c
index 3a8a9a1..ee2f96f 100644
--- a/proto/ospf/dbdes.c
+++ b/proto/ospf/dbdes.c
@@ -168,26 +168,6 @@ rxmt_timer_hook(timer *timer)
   }
 }
 
-int
-lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2)
-	/* 
-	 *  1	l1 is newer
-	 *  0	identical
-	 * -1	l2 is newer
-	 */
-{
-  if(l1->sn<l2->sn) return 1;
-  if(l1->sn==l2->sn)
-  {
-    if(l1->checksum=!l2->checksum) return l1->checksum<l2->checksum ? -1 :1;
-    if(l1->age==MAXAGE) return 1;
-    if(l2->age==MAXAGE) return -1;
-    if(abs(l1->age-l2->age)>MAXAGEDIFF) return l1->age<l2->age ? 1 : -1;
-  }
-  return 0;
-
-}
-
 void
 ospf_dbdes_reqladd(struct ospf_dbdes_packet *ps, struct proto *p,
   struct ospf_neighbor *n)
@@ -296,8 +276,6 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
             break;
           }
         }
-        //break;	/* I should probably continue processing packet */
-
     case NEIGHBOR_EXCHANGE:
 	if((ps->imms.byte==n->imms.byte) && (ps->options=n->options) &&
 	  (ntohl(ps->ddseq)==n->ddr))
diff --git a/proto/ospf/dbdes.h b/proto/ospf/dbdes.h
index 6cbad97..09642ff 100644
--- a/proto/ospf/dbdes.h
+++ b/proto/ospf/dbdes.h
@@ -16,3 +16,4 @@ void ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
   struct ospf_iface *ifa, u16 size);
 
 #endif /* _BIRD_OSPF_DBDES_H_ */
+
diff --git a/proto/ospf/lsalib.c b/proto/ospf/lsalib.c
index d7ae1c6..72ca55c 100644
--- a/proto/ospf/lsalib.c
+++ b/proto/ospf/lsalib.c
@@ -283,3 +283,20 @@ lsasum_calculate(struct ospf_lsa_header *h,void *body,struct proto_ospf *po)
   ntohlsab(b,b,h->type,length+2);
 }
 
+int
+lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2)
+			/* Return codes form view of l1 */
+{
+  if(l1->sn<l2->sn) return CMP_NEWER;
+    if(l1->sn==l2->sn)
+    {
+      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)
+        return l1->age<l2->age ? CMP_NEWER : CMP_OLDER;
+    }
+    return CMP_SAME;
+}
+
diff --git a/proto/ospf/lsalib.h b/proto/ospf/lsalib.h
index 0eb6dce..b6547c7 100644
--- a/proto/ospf/lsalib.h
+++ b/proto/ospf/lsalib.h
@@ -14,6 +14,11 @@ void htonlsah(struct ospf_lsa_header *h, struct ospf_lsa_header *n);
 void ntohlsah(struct ospf_lsa_header *n, struct ospf_lsa_header *h);
 void htonlsab(void *h, void *n, u8 type, u16 len);
 void ntohlsab(void *n, void *h, u8 type, u16 len);
-void lsasum_calculate(struct ospf_lsa_header *header, void *body, struct proto_ospf *p);
+void lsasum_calculate(struct ospf_lsa_header *header, void *body,
+  struct proto_ospf *p);
+#define CMP_NEWER 1
+#define CMP_SAME 0
+#define CMP_OLDER -1
+int lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2);
 
 #endif /* _BIRD_OSPF_LSALIB_H_ */