[ONOS-3856] Implement BGP flow spec RIB out.
Change-Id: I2fa378851ea1b953def3d8feeedbc50cfe4d50ca
diff --git a/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpFlowSpecRibOut.java b/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpFlowSpecRibOut.java
new file mode 100755
index 0000000..a9885d8
--- /dev/null
+++ b/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpFlowSpecRibOut.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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 org.onosproject.bgp.controller.impl;
+
+import java.util.Map;
+import java.util.TreeMap;
+
+import org.onosproject.bgpio.types.RouteDistinguisher;
+import org.onosproject.bgpio.protocol.flowspec.BgpFlowSpecDetails;
+import org.onosproject.bgpio.protocol.flowspec.BgpFlowSpecPrefix;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Implementation of BGP flow spec RIB out for each peer.
+ */
+public class BgpFlowSpecRibOut {
+ private Map<BgpFlowSpecPrefix, BgpFlowSpecDetails> flowSpecTree = new TreeMap<>();
+ private Map<RouteDistinguisher, Map<BgpFlowSpecPrefix, BgpFlowSpecDetails>> vpnFlowSpecTree = new TreeMap<>();
+
+ /**
+ * Returns the BGP flow spec info.
+ *
+ * @return BGP flow spec tree
+ */
+ public Map<BgpFlowSpecPrefix, BgpFlowSpecDetails> flowSpecTree() {
+ return flowSpecTree;
+ }
+
+ /**
+ * Gets VPN flowspec tree.
+ *
+ * @return vpn flow spec tree
+ */
+ public Map<RouteDistinguisher, Map<BgpFlowSpecPrefix, BgpFlowSpecDetails>> vpnFlowSpecTree() {
+ return vpnFlowSpecTree;
+ }
+
+
+ /**
+ * Update BGP flow spec details.
+ *
+ * @param prefix prefix Info
+ * @param flowSpec BGP flow specifications details
+ */
+ public void add(BgpFlowSpecPrefix prefix, BgpFlowSpecDetails flowSpec) {
+ if (flowSpecTree.containsKey(prefix)) {
+ flowSpecTree.replace(prefix, flowSpec);
+ } else {
+ flowSpecTree.put(prefix, flowSpec);
+ }
+ }
+
+ /**
+ * Removes flow spec.
+ *
+ * @param flowSpec BGP flow specification
+ */
+ public void delete(BgpFlowSpecPrefix flowSpec) {
+ if (flowSpecTree.containsKey(flowSpec)) {
+ flowSpecTree.remove(flowSpec);
+ }
+ }
+
+ /**
+ * Update BGP flow spec details with routedistinguisher.
+ *
+ * @param routeDistinguisher route distinguisher
+ * @param prefix prefix Info
+ * @param flowSpec BGP flow specifications details
+ */
+ public void add(RouteDistinguisher routeDistinguisher, BgpFlowSpecPrefix prefix, BgpFlowSpecDetails flowSpec) {
+ Map<BgpFlowSpecPrefix, BgpFlowSpecDetails> fsTree;
+ if (!vpnFlowSpecTree.containsKey(routeDistinguisher)) {
+
+ fsTree = new TreeMap<>();
+
+ vpnFlowSpecTree.put(routeDistinguisher, fsTree);
+ } else {
+ fsTree = vpnFlowSpecTree().get(routeDistinguisher);
+ }
+ if (fsTree.containsKey(prefix)) {
+ fsTree.replace(prefix, flowSpec);
+ } else {
+ fsTree.put(prefix, flowSpec);
+ }
+ }
+
+ /**
+ * Removes flow spec.
+ *
+ * @param routeDistinguisher route distinguisher
+ * @param flowSpec BGP flow specification
+ */
+ public void delete(RouteDistinguisher routeDistinguisher, BgpFlowSpecPrefix flowSpecPrefix) {
+ if (vpnFlowSpecTree.containsKey(routeDistinguisher)) {
+ Map<BgpFlowSpecPrefix, BgpFlowSpecDetails> fsTree = vpnFlowSpecTree().get(routeDistinguisher);
+ fsTree.remove(flowSpecPrefix);
+ if (fsTree.size() == 0) {
+ vpnFlowSpecTree.remove(routeDistinguisher);
+ }
+ }
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .omitNullValues()
+ .add("flowSpecTree", flowSpecTree)
+ .add("vpnFlowSpecTree", vpnFlowSpecTree)
+ .toString();
+ }
+}