Fix longer-prefix search using radix trie walk

Bug-Url: #1006

Signed-off-by: Ben Agricola <bagricola@squiz.co.uk>

1 files changed, 5 insertions, 4 deletions

diff --git a/server/server.go b/server/server.go
index 0bee727e..6a766261 100644
--- a/server/server.go
+++ b/server/server.go
@@ -1619,10 +1619,11 @@ func (server *BgpServer) handleGrpc(grpcReq *GrpcRequest) {
 					}
 				} else if dst.LongerPrefixes {
 					_, prefix, _ := net.ParseCIDR(key)
-					ones, bits := prefix.Mask.Size()
-					for i := ones + 1; i <= bits; i++ {
-						prefix.Mask = net.CIDRMask(i, bits)
-						f(id, prefix.String())
+
+					for _, dst := range rib.Tables[af].GetLongerPrefixDestinations(prefix.String()) {
+						if d := dst.ToApiStruct(id); d != nil {
+							dsts = append(dsts, d)
+						}
 					}
 				}
 			}