staticd : Configuration northbound implementation

1. Modifies the data structs to make the distance, tag and table-id
   property of a route, i.e created a hireachical data struct to save
   route and nexthop information.
2. Backend northbound implementation

Signed-off-by: VishalDhingra <vdhingra@vmware.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/srcdest_table.c b/lib/srcdest_table.c
index 66b735919b..8ffa0e9709 100644
--- a/lib/srcdest_table.c
+++ b/lib/srcdest_table.c
@@ -317,3 +317,13 @@ static ssize_t printfrr_rn(char *buf, size_t bsz, const char *fmt,
 	srcdest2str(dst_p, (const struct prefix_ipv6 *)src_p, buf, bsz);
 	return 2;
 }
+
+struct route_table *srcdest_srcnode_table(struct route_node *rn)
+{
+	if (rnode_is_dstnode(rn)) {
+		struct srcdest_rnode *srn = srcdest_rnode_from_rnode(rn);
+
+		return srn->src_table;
+	}
+	return NULL;
+}