SEBA-640 IgmpProxy should use distributed storage infrastructure of ONOS
Change-Id: I4b1c4d326a5501e9c0e046e3ee8d973ca5f73d70
diff --git a/app/src/main/java/org/opencord/igmpproxy/impl/store/machine/DistributedStateMachineStore.java b/app/src/main/java/org/opencord/igmpproxy/impl/store/machine/DistributedStateMachineStore.java
new file mode 100644
index 0000000..f337b09
--- /dev/null
+++ b/app/src/main/java/org/opencord/igmpproxy/impl/store/machine/DistributedStateMachineStore.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.opencord.igmpproxy.impl.store.machine;
+
+import org.onlab.util.KryoNamespace;
+import org.onosproject.store.serializers.KryoNamespaces;
+import org.onosproject.store.service.AtomicCounterMap;
+import org.onosproject.store.service.ConsistentMap;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.StorageService;
+import org.opencord.igmpproxy.impl.SingleStateMachine;
+import org.opencord.igmpproxy.impl.SingleStateMachineSerializer;
+import org.opencord.igmpproxy.statemachine.StateMachine;
+import org.opencord.igmpproxy.statemachine.StateMachineId;
+import org.opencord.igmpproxy.statemachine.StateMachineIdSerializer;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.ReferenceCardinality;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Deactivate;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * State machine store based on distributed storage.
+ */
+@Component(service = StateMachineStore.class)
+public class DistributedStateMachineStore extends AbstractStateMachineStore {
+ private final Logger log = LoggerFactory.getLogger(getClass());
+ private static final String STATE_MACHINE_COUNTER_STORE = "onos-state-machine-counter-store";
+ private static final String STATE_MACHINE_MAP_NAME = "onos-state-machine-store";
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY)
+ protected StorageService storageService;
+
+ private AtomicCounterMap<StateMachineId> stateMachineCounters;
+
+ private ConsistentMap<StateMachineId, StateMachine> consistentMap;
+
+ public DistributedStateMachineStore() {
+ super();
+ }
+
+ @Activate
+ public void activate() {
+ KryoNamespace.Builder stateMachineKryoBuilder = KryoNamespace.newBuilder()
+ .register(KryoNamespaces.API)
+ .register(new StateMachineIdSerializer(), StateMachineId.class);
+
+ stateMachineCounters = storageService.<StateMachineId>atomicCounterMapBuilder()
+ .withName(STATE_MACHINE_COUNTER_STORE)
+ .withSerializer(Serializer.using(stateMachineKryoBuilder.build())).build();
+
+ stateMachineKryoBuilder
+ .register(new SingleStateMachineSerializer(), SingleStateMachine.class);
+ this.consistentMap = storageService.<StateMachineId, StateMachine>consistentMapBuilder()
+ .withName(STATE_MACHINE_MAP_NAME)
+ .withSerializer(Serializer.using(stateMachineKryoBuilder.build()))
+ .build();
+ super.stateMachineMap = consistentMap.asJavaMap();
+
+
+ log.info("Started.");
+ }
+
+ @Deactivate
+ public void deactivate() {
+ stateMachineMap.clear();
+ stateMachineMap = null;
+ consistentMap.destroy();
+ stateMachineCounters.clear();
+ stateMachineCounters.destroy();
+ log.info("Stopped.");
+ }
+
+ @Override
+ public long increaseAndGetCounter(StateMachineId stateMachineId) {
+ return stateMachineCounters.incrementAndGet(stateMachineId);
+ }
+
+ @Override
+ public long decreaseAndGetCounter(StateMachineId stateMachineId) {
+ if (stateMachineCounters.get(stateMachineId) > 0) {
+ return stateMachineCounters.decrementAndGet(stateMachineId);
+ } else {
+ return stateMachineCounters.get(stateMachineId);
+ }
+ }
+
+ @Override
+ public long getCounter(StateMachineId stateMachineId) {
+ return stateMachineCounters.get(stateMachineId);
+ }
+
+ @Override
+ public boolean removeCounter(StateMachineId stateMachineId) {
+ stateMachineCounters.remove(stateMachineId);
+ return true;
+ }
+
+ @Override
+ public void clearAllStateMachines() {
+ super.clearAllStateMachines();
+ stateMachineCounters.clear();
+ }
+}