ONOS-1326: Added support for observing when node liveness status was last updated. Useful for detecting/debugging stability issues.
Change-Id: I8ffebcf3a09a51c6e3e7526986a0f05530ed757f
diff --git a/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/HazelcastClusterStore.java b/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/HazelcastClusterStore.java
index d32f7a8..55d877d 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/HazelcastClusterStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/cluster/impl/HazelcastClusterStore.java
@@ -18,6 +18,7 @@
import com.google.common.base.Optional;
import com.google.common.cache.LoadingCache;
import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Maps;
import com.hazelcast.core.IMap;
import com.hazelcast.core.Member;
import com.hazelcast.core.MemberAttributeEvent;
@@ -28,6 +29,7 @@
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Service;
+import org.joda.time.DateTime;
import org.onosproject.cluster.ClusterEvent;
import org.onosproject.cluster.ClusterStore;
import org.onosproject.cluster.ClusterStoreDelegate;
@@ -63,6 +65,7 @@
private String listenerId;
private final MembershipListener listener = new InternalMembershipListener();
private final Map<NodeId, State> states = new ConcurrentHashMap<>();
+ private final Map<NodeId, DateTime> lastUpdatedTimes = Maps.newConcurrentMap();
private String nodesListenerId;
@@ -123,6 +126,11 @@
}
@Override
+ public DateTime getLastUpdated(NodeId nodeId) {
+ return lastUpdatedTimes.get(nodeId);
+ }
+
+ @Override
public ControllerNode addNode(NodeId nodeId, IpAddress ip, int tcpPort) {
return addNode(new DefaultControllerNode(nodeId, ip, tcpPort));
}
@@ -139,7 +147,7 @@
private synchronized ControllerNode addNode(DefaultControllerNode node) {
rawNodes.put(serialize(node.id()), serialize(node));
nodes.put(node.id(), Optional.of(node));
- states.put(node.id(), State.ACTIVE);
+ updateState(node.id(), State.ACTIVE);
return node;
}
@@ -153,6 +161,11 @@
return IpAddress.valueOf(member.getSocketAddress().getAddress());
}
+ private void updateState(NodeId nodeId, State newState) {
+ updateState(nodeId, newState);
+ lastUpdatedTimes.put(nodeId, DateTime.now());
+ }
+
// Interceptor for membership events.
private class InternalMembershipListener implements MembershipListener {
@Override
@@ -166,7 +179,7 @@
public void memberRemoved(MembershipEvent membershipEvent) {
log.info("Member {} removed", membershipEvent.getMember());
NodeId nodeId = new NodeId(memberAddress(membershipEvent.getMember()).toString());
- states.put(nodeId, State.INACTIVE);
+ updateState(nodeId, State.INACTIVE);
notifyDelegate(new ClusterEvent(INSTANCE_DEACTIVATED, getNode(nodeId)));
}
@@ -178,4 +191,4 @@
memberAttributeEvent.getValue());
}
}
-}
+}
\ No newline at end of file