table: fix local-pref handling for external peer

remove a local-pref path attribute when peer is external and
not a confederation member.

Signed-off-by: ISHIDA Wataru <ishida.wataru@lab.ntt.co.jp>

1 files changed, 27 insertions, 0 deletions

diff --git a/config/util.go b/config/util.go
new file mode 100644
index 00000000..26ab7004
--- /dev/null
+++ b/config/util.go
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+// implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package config
+
+func IsConfederationMember(g *Global, p *Neighbor) bool {
+	if p.NeighborConfig.PeerAs != g.GlobalConfig.As {
+		for _, member := range g.Confederation.ConfederationConfig.MemberAs {
+			if member == p.NeighborConfig.PeerAs {
+				return true
+			}
+		}
+	}
+	return false
+}