Sending of lspd as responce to lsreq done.

1 files changed, 222 insertions, 0 deletions

diff --git a/proto/ospf/lsalib.c b/proto/ospf/lsalib.c
new file mode 100644
index 00000000..f74cb762
--- /dev/null
+++ b/proto/ospf/lsalib.c
@@ -0,0 +1,222 @@
+/*
+ *	BIRD -- OSPF
+ *
+ *	(c) 1999-2000 Ondrej Filip <feela@network.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include "ospf.h"
+
+void
+htonlsah(struct ospf_lsa_header *h, struct ospf_lsa_header *n)
+{
+  n->age=htons(h->age);
+  n->options=h->options;
+  n->type=h->type;
+  n->id=htonl(h->id);
+  n->rt=htonl(h->rt);
+  n->sn=htonl(h->sn);
+  n->checksum=htons(h->checksum);
+  n->length=htons(h->length);
+};
+
+void
+ntohlsah(struct ospf_lsa_header *n, struct ospf_lsa_header *h)
+{
+  h->age=ntohs(n->age);
+  h->options=n->options;
+  h->type=n->type;
+  h->id=ntohl(n->id);
+  h->rt=ntohl(n->rt);
+  h->sn=ntohl(n->sn);
+  h->checksum=ntohs(n->checksum);
+  h->length=ntohs(n->length);
+};
+
+void
+htonlsab(void *h, void *n, u8 type, u16 len)
+{
+  unsigned int i;
+  switch(type)
+  {
+    case LSA_T_RT:
+    {
+      struct ospf_lsa_rt *hrt, *nrt;
+      struct ospf_lsa_rt_link *hrtl,*nrtl;
+
+      nrt=n;
+      hrt=h;
+
+      nrt->VEB=hrt->VEB;
+      nrt->padding=0;
+      nrt->links=htons(hrt->links);
+      nrtl=(struct ospf_lsa_rt_link *)(nrt+1);
+      hrtl=(struct ospf_lsa_rt_link *)(hrt+1);
+      for(i=0;i<hrt->links;i++)
+      {
+        (nrtl+i)->id=htonl((hrtl+i)->id);
+        (nrtl+i)->data=htonl((hrtl+i)->data);
+        (nrtl+i)->type=(hrtl+i)->type;
+        (nrtl+i)->notos=(hrtl+i)->notos;
+        (nrtl+i)->metric=htons((hrtl+i)->metric);
+      }
+      break;
+    }
+    case LSA_T_NET:
+    {
+      u32 *hid,*nid;
+
+      nid=n;
+      hid=h;
+
+      for(i=0;i<(len/sizeof(u32));i++)
+      {
+        *(nid+i)=htonl(*(hid+i));
+      }
+      break;
+    }
+    case LSA_T_SUM_NET:
+    case LSA_T_SUM_RT:
+    {
+      struct ospf_lsa_summ *hs, *ns;
+      struct ospf_lsa_summ_net *hn, *nn;
+
+      hs=h;
+      ns=n;
+
+      ns->netmask=htonl(hs->netmask);
+
+      hn=(struct ospf_lsa_summ_net *)(hs+1);
+      nn=(struct ospf_lsa_summ_net *)(ns+1);
+
+      for(i=0;i<((len-sizeof(struct ospf_lsa_summ))/
+        sizeof(struct ospf_lsa_summ_net));i++)
+      {
+        (nn+i)->tos=(hn+i)->tos;
+	(nn+i)->metric=htons((hn+i)->metric);
+	(nn+i)->padding=0;
+      }
+      break;
+    }
+    case LSA_T_EXT:
+    {
+      struct ospf_lsa_ext *he, *ne;
+      struct ospf_lsa_ext_tos *ht, *nt;
+
+      he=h;
+      ne=n;
+
+      ne->netmask=htonl(he->netmask);
+
+      ht=(struct ospf_lsa_ext_tos *)(he+1);
+      nt=(struct ospf_lsa_ext_tos *)(ne+1);
+
+      for(i=0;i<((len-sizeof(struct ospf_lsa_ext))/
+        sizeof(struct ospf_lsa_ext_tos));i++)
+      {
+        (nt+i)->etos=(ht+i)->etos;
+        (nt+i)->padding=0;
+        (nt+i)->metric=htons((ht+i)->metric);
+        (nt+i)->fwaddr=htonl((ht+i)->fwaddr);
+        (nt+i)->tag=htonl((ht+i)->tag);
+      }
+      break;
+    }
+    default: die("(hton): Unknown LSA\n");
+  }
+};
+
+void
+ntohlsab(void *n, void *h, u8 type, u16 len)
+{
+  unsigned int i;
+  switch(type)
+  {
+    case LSA_T_RT:
+    {
+      struct ospf_lsa_rt *hrt, *nrt;
+      struct ospf_lsa_rt_link *hrtl,*nrtl;
+
+      nrt=n;
+      hrt=h;
+
+      hrt->VEB=nrt->VEB;
+      hrt->padding=0;
+      hrt->links=ntohs(nrt->links);
+      nrtl=(struct ospf_lsa_rt_link *)(nrt+1);
+      hrtl=(struct ospf_lsa_rt_link *)(hrt+1);
+      for(i=0;i<hrt->links;i++)
+      {
+        (hrtl+i)->id=ntohl((nrtl+i)->id);
+        (hrtl+i)->data=ntohl((nrtl+i)->data);
+        (hrtl+i)->type=(nrtl+i)->type;
+        (hrtl+i)->notos=(nrtl+i)->notos;
+        (hrtl+i)->metric=ntohs((nrtl+i)->metric);
+      }
+      break;
+    }
+    case LSA_T_NET:
+    {
+      u32 *hid,*nid;
+
+      hid=h;
+      nid=n;
+
+      for(i=0;i<(len/sizeof(u32));i++)
+      {
+        *(hid+i)=ntohl(*(nid+i));
+      }
+      break;
+    }
+    case LSA_T_SUM_NET:
+    case LSA_T_SUM_RT:
+    {
+      struct ospf_lsa_summ *hs, *ns;
+      struct ospf_lsa_summ_net *hn, *nn;
+
+      hs=h;
+      ns=n;
+
+      hs->netmask=ntohl(ns->netmask);
+
+      hn=(struct ospf_lsa_summ_net *)(hs+1);
+      nn=(struct ospf_lsa_summ_net *)(ns+1);
+
+      for(i=0;i<((len-sizeof(struct ospf_lsa_summ))/
+        sizeof(struct ospf_lsa_summ_net));i++)
+      {
+        (hn+i)->tos=(nn+i)->tos;
+	(hn+i)->metric=ntohs((nn+i)->metric);
+	(hn+i)->padding=0;
+      }
+      break;
+    }
+    case LSA_T_EXT:
+    {
+      struct ospf_lsa_ext *he, *ne;
+      struct ospf_lsa_ext_tos *ht, *nt;
+
+      he=h;
+      ne=n;
+
+      he->netmask=ntohl(ne->netmask);
+
+      ht=(struct ospf_lsa_ext_tos *)(he+1);
+      nt=(struct ospf_lsa_ext_tos *)(ne+1);
+
+      for(i=0;i<((len-sizeof(struct ospf_lsa_ext))/
+        sizeof(struct ospf_lsa_ext_tos));i++)
+      {
+        (ht+i)->etos=(nt+i)->etos;
+        (ht+i)->padding=0;
+        (ht+i)->metric=ntohs((nt+i)->metric);
+        (ht+i)->fwaddr=ntohl((nt+i)->fwaddr);
+        (ht+i)->tag=ntohl((nt+i)->tag);
+      }
+      break;
+    }
+    default: die("(ntoh): Unknown LSA\n");
+  }
+};
+