[ONOS-5267] Initial implementation of MapServer and EidRlocMap
Change-Id: Id4b503d7c3905bd490a7825ff63614bd81f357d9
diff --git a/protocols/lisp/ctl/src/main/java/org/onosproject/lisp/ctl/LispEidRlocMap.java b/protocols/lisp/ctl/src/main/java/org/onosproject/lisp/ctl/LispEidRlocMap.java
new file mode 100644
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+++ b/protocols/lisp/ctl/src/main/java/org/onosproject/lisp/ctl/LispEidRlocMap.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2016-present 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.lisp.ctl;
+
+import com.google.common.collect.Maps;
+import org.onosproject.lisp.msg.protocols.LispEidRecord;
+import org.onosproject.lisp.msg.protocols.LispMapRecord;
+import org.onosproject.lisp.msg.types.LispAfiAddress;
+
+import java.util.Optional;
+import java.util.concurrent.ConcurrentMap;
+
+/**
+ * A singleton class that stores EID-RLOC mapping information.
+ */
+public final class LispEidRlocMap {
+
+ private ConcurrentMap<LispEidRecord, LispMapRecord> map = Maps.newConcurrentMap();
+
+ /**
+ * Obtains a singleton instance.
+ *
+ * @return singleton instance
+ */
+ public static LispEidRlocMap getInstance() {
+ return SingletonHelper.INSTANCE;
+ }
+
+ /**
+ * Inserts a new EID-RLOC mapping record.
+ *
+ * @param eid endpoint identifier
+ * @param rloc route locator record
+ */
+ public void insertMapRecord(LispEidRecord eid, LispMapRecord rloc) {
+ map.putIfAbsent(eid, rloc);
+ }
+
+ /**
+ * Removes an EID-RLOC mapping record with given endpoint identifier.
+ *
+ * @param eid endpoint identifier
+ */
+ public void removeMapRecordByEid(LispEidRecord eid) {
+ map.remove(eid);
+ }
+
+ /**
+ * Obtains an EID-RLOC mapping record with given EID record.
+ *
+ * @param eid endpoint identifier record
+ * @return an EID-RLOC mapping record
+ */
+ public LispMapRecord getMapRecordByEidRecord(LispEidRecord eid) {
+ return map.get(eid);
+ }
+
+ /**
+ * Obtains an EID-RLOC mapping record with given EID address.
+ *
+ * @param address endpoint identifier address
+ * @return an EID-RLOC mapping record
+ */
+ public LispMapRecord getMapRecordByEidAddress(LispAfiAddress address) {
+ Optional<LispEidRecord> eidRecord =
+ map.keySet().stream().filter(k -> k.getPrefix().equals(address)).findFirst();
+ if (eidRecord.isPresent()) {
+ return map.get(eidRecord);
+ }
+
+ return null;
+ }
+
+ /**
+ * Prevents object instantiation from external.
+ */
+ private LispEidRlocMap() {
+ }
+
+ private static class SingletonHelper {
+ private static final LispEidRlocMap INSTANCE = new LispEidRlocMap();
+ }
+}