import com.google.common.collect.Lists;
import com.google.common.util.concurrent.Uninterruptibles;
import com.google.protobuf.ByteString;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
import org.junit.After;
import org.junit.Assert;
import org.junit.Test;
import org.opendaylight.controller.cluster.DataPersistenceProvider;
import org.opendaylight.controller.cluster.datastore.DataPersistenceProviderMonitor;
+import org.opendaylight.controller.cluster.notifications.RoleChanged;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyLogEntries;
import org.opendaylight.controller.cluster.raft.base.messages.ApplySnapshot;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyState;
import org.opendaylight.controller.cluster.raft.client.messages.FindLeader;
import org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
+import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
import org.opendaylight.controller.cluster.raft.utils.MockAkkaJournal;
import org.opendaylight.controller.cluster.raft.utils.MockSnapshotStore;
import scala.concurrent.Await;
import scala.concurrent.Future;
import scala.concurrent.duration.Duration;
import scala.concurrent.duration.FiniteDuration;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
private final DataPersistenceProvider dataPersistenceProvider;
private final RaftActor delegate;
+ private final CountDownLatch recoveryComplete = new CountDownLatch(1);
+ private final List<Object> state;
+ private ActorRef roleChangeNotifier;
public static final class MockRaftActorCreator implements Creator<MockRaftActor> {
+ private static final long serialVersionUID = 1L;
private final Map<String, String> peerAddresses;
private final String id;
private final Optional<ConfigParams> config;
private final DataPersistenceProvider dataPersistenceProvider;
+ private final ActorRef roleChangeNotifier;
private MockRaftActorCreator(Map<String, String> peerAddresses, String id,
- Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider) {
+ Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider,
+ ActorRef roleChangeNotifier) {
this.peerAddresses = peerAddresses;
this.id = id;
this.config = config;
this.dataPersistenceProvider = dataPersistenceProvider;
+ this.roleChangeNotifier = roleChangeNotifier;
}
@Override
public MockRaftActor create() throws Exception {
- return new MockRaftActor(id, peerAddresses, config, dataPersistenceProvider);
+ MockRaftActor mockRaftActor = new MockRaftActor(id, peerAddresses, config,
+ dataPersistenceProvider);
+ mockRaftActor.roleChangeNotifier = this.roleChangeNotifier;
+ return mockRaftActor;
}
}
- private final CountDownLatch recoveryComplete = new CountDownLatch(1);
-
- private final List<Object> state;
-
public MockRaftActor(String id, Map<String, String> peerAddresses, Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider) {
super(id, peerAddresses, config);
state = new ArrayList<>();
public static Props props(final String id, final Map<String, String> peerAddresses,
Optional<ConfigParams> config){
- return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null));
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null, null));
}
public static Props props(final String id, final Map<String, String> peerAddresses,
Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider){
- return Props.create(new MockRaftActorCreator(peerAddresses, id, config, dataPersistenceProvider));
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, dataPersistenceProvider, null));
}
+ public static Props props(final String id, final Map<String, String> peerAddresses,
+ Optional<ConfigParams> config, ActorRef roleChangeNotifier){
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null, roleChangeNotifier));
+ }
@Override protected void applyState(ActorRef clientActor, String identifier, Object data) {
delegate.applyState(clientActor, identifier, data);
LOG.info("applyState called");
}
-
-
-
@Override
protected void startLogRecoveryBatch(int maxBatchSize) {
}
return this.dataPersistenceProvider;
}
+ @Override
+ protected Optional<ActorRef> getRoleChangeNotifier() {
+ return Optional.fromNullable(roleChangeNotifier);
+ }
+
@Override public String persistenceId() {
return this.getId();
}
};
}
+ @Test
+ public void testRaftRoleChangeNotifier() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef notifierActor = getSystem().actorOf(Props.create(MessageCollectorActor.class));
+ DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
+ String id = "testRaftRoleChangeNotifier";
+
+ TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(id,
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), notifierActor), id);
+
+ MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
+ mockRaftActor.setCurrentBehavior(new Follower(mockRaftActor.getRaftActorContext()));
+
+ // sleeping for a minimum of 2 seconds, if it spans more its fine.
+ Uninterruptibles.sleepUninterruptibly(2, TimeUnit.SECONDS);
+
+ List<Object> matches = MessageCollectorActor.getAllMatching(notifierActor, RoleChanged.class);
+ assertNotNull(matches);
+ assertEquals(2, matches.size());
+
+ // check if the notifier got a role change from Follower to Candidate
+ RoleChanged raftRoleChanged = (RoleChanged) matches.get(0);
+ assertEquals(id, raftRoleChanged.getMemberId());
+ assertEquals(RaftState.Follower.name(), raftRoleChanged.getOldRole());
+ assertEquals(RaftState.Candidate.name(), raftRoleChanged.getNewRole());
+
+ // check if the notifier got a role change from Candidate to Leader
+ raftRoleChanged = (RoleChanged) matches.get(1);
+ assertEquals(id, raftRoleChanged.getMemberId());
+ assertEquals(RaftState.Candidate.name(), raftRoleChanged.getOldRole());
+ assertEquals(RaftState.Leader.name(), raftRoleChanged.getNewRole());
+ }};
+ }
+
private ByteString fromObject(Object snapshot) throws Exception {
ByteArrayOutputStream b = null;
ObjectOutputStream o = null;