//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldGracefullyHandleEmptyDiscoveryHeader()
public virtual void ShouldGracefullyHandleEmptyDiscoveryHeader()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId joining = new InstanceId(2);
CommonContextState commonContextState = mock(typeof(CommonContextState), RETURNS_MOCKS);
Timeouts timeouts = mock(typeof(Timeouts));
Executor executor = mock(typeof(Executor));
HeartbeatContext heartbeatContext = mock(typeof(HeartbeatContext));
ClusterContext context = new ClusterContextImpl(me, commonContextState, NullLogProvider.Instance, timeouts, executor, mock(typeof(ObjectOutputStreamFactory)), mock(typeof(ObjectInputStreamFactory)), mock(typeof(LearnerContext)), heartbeatContext, mock(typeof(Config)));
ClusterMessage.ConfigurationRequestState request = mock(typeof(ClusterMessage.ConfigurationRequestState));
when(request.JoiningId).thenReturn(joining);
// When
// Instance 2 contacts us with a request but it is empty
context.AddContactingInstance(request, "");
// Then
// The discovery header we generate should still contain that instance
assertEquals("2", context.GenerateDiscoveryHeader());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldUpdateDiscoveryHeaderWithContactingInstances()
public virtual void ShouldUpdateDiscoveryHeaderWithContactingInstances()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId joiningOne = new InstanceId(2);
InstanceId joiningTwo = new InstanceId(3);
CommonContextState commonContextState = mock(typeof(CommonContextState), RETURNS_MOCKS);
Timeouts timeouts = mock(typeof(Timeouts));
Executor executor = mock(typeof(Executor));
HeartbeatContext heartbeatContext = mock(typeof(HeartbeatContext));
ClusterContext context = new ClusterContextImpl(me, commonContextState, NullLogProvider.Instance, timeouts, executor, mock(typeof(ObjectOutputStreamFactory)), mock(typeof(ObjectInputStreamFactory)), mock(typeof(LearnerContext)), heartbeatContext, mock(typeof(Config)));
ClusterMessage.ConfigurationRequestState requestOne = mock(typeof(ClusterMessage.ConfigurationRequestState));
when(requestOne.JoiningId).thenReturn(joiningOne);
ClusterMessage.ConfigurationRequestState requestTwo = mock(typeof(ClusterMessage.ConfigurationRequestState));
when(requestTwo.JoiningId).thenReturn(joiningTwo);
// When
// Instance 2 contacts us twice and Instance 3 contacts us once
context.AddContactingInstance(requestOne, "4, 5"); // discovery headers are random here
context.AddContactingInstance(requestOne, "4, 5");
context.AddContactingInstance(requestTwo, "2, 5");
// Then
// The discovery header we generate should still contain one copy of each instance
assertEquals("2,3", context.GenerateDiscoveryHeader());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testSuspicions()
public virtual void TestSuspicions()
{
InstanceId suspect = _instanceIds[1];
_toTest.suspect(suspect);
assertEquals(Collections.singleton(suspect), _toTest.getSuspicionsFor(_context.MyId));
assertEquals(Collections.singletonList(_context.MyId), _toTest.getSuspicionsOf(suspect));
// Being suspected by just one (us) is not enough
assertFalse(_toTest.isFailedBasedOnSuspicions(suspect));
assertTrue(_toTest.alive(suspect)); // This resets the suspicion above
// If we suspect an instance twice in a row, it shouldn't change its status in any way.
_toTest.suspect(suspect);
_toTest.suspect(suspect);
assertEquals(Collections.singleton(suspect), _toTest.getSuspicionsFor(_context.MyId));
assertEquals(Collections.singletonList(_context.MyId), _toTest.getSuspicionsOf(suspect));
assertFalse(_toTest.isFailedBasedOnSuspicions(suspect));
assertTrue(_toTest.alive(suspect));
// The other one sends suspicions too
InstanceId newSuspiciousBastard = _instanceIds[2];
_toTest.suspicions(newSuspiciousBastard, Collections.singleton(suspect));
_toTest.suspect(suspect);
// Now two instances suspect it, it should be reported failed
assertEquals(Collections.singleton(suspect), _toTest.getSuspicionsFor(_context.MyId));
assertEquals(Collections.singleton(suspect), _toTest.getSuspicionsFor(newSuspiciousBastard));
IList <InstanceId> suspiciousBastards = new List <InstanceId>(2);
suspiciousBastards.Add(_context.MyId);
suspiciousBastards.Add(newSuspiciousBastard);
assertEquals(suspiciousBastards, _toTest.getSuspicionsOf(suspect));
assertTrue(_toTest.isFailedBasedOnSuspicions(suspect));
assertTrue(_toTest.alive(suspect));
}
/*
* This test ensures that an instance that is marked as failed has its elector version reset. This means that
* the instance, once it comes back, will still be able to do elections even if it lost state
*/
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void nonElectorFailingMustNotCauseElectorVersionToBeReset()
public virtual void NonElectorFailingMustNotCauseElectorVersionToBeReset()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId elector = new InstanceId(2);
CommonContextState commonContextState = mock(typeof(CommonContextState), RETURNS_MOCKS);
Timeouts timeouts = mock(typeof(Timeouts));
Executor executor = mock(typeof(Executor));
HeartbeatContext heartbeatContext = mock(typeof(HeartbeatContext));
ArgumentCaptor <HeartbeatListener> listenerCaptor = ArgumentCaptor.forClass(typeof(HeartbeatListener));
ClusterContext context = new ClusterContextImpl(me, commonContextState, NullLogProvider.Instance, timeouts, executor, mock(typeof(ObjectOutputStreamFactory)), mock(typeof(ObjectInputStreamFactory)), mock(typeof(LearnerContext)), heartbeatContext, mock(typeof(Config)));
verify(heartbeatContext).addHeartbeatListener(listenerCaptor.capture());
HeartbeatListener theListener = listenerCaptor.Value;
// This means instance 2 was the elector at version 8
context.LastElector = elector;
context.LastElectorVersion = 8;
// When
theListener.Failed(new InstanceId(3));
// Then
assertEquals(context.LastElector, elector);
assertEquals(context.LastElectorVersion, 8);
}
/// <summary>
/// This constructor creates a new XiList element and sets its state to NewValue.
/// </summary>
/// <param name="clientAlias"> The client alias to be assigned to this list element. </param>
/// <param name="instanceId"> The InstanceId for this list element. </param>
protected XiDataAndDataJournalListItemBase(uint clientAlias, InstanceId instanceId)
{
ClientAlias = clientAlias;
InstanceId = new InstanceId(instanceId);
ServerAlias = 0;
ResultCode = 0xFFFFFFFFu;
}
public static ClusterInstance NewClusterInstance(InstanceId id, URI uri, Monitors monitors, ClusterConfiguration configuration, int maxSurvivableFailedMembers, LogProvider logging)
{
MultiPaxosServerFactory factory = new MultiPaxosServerFactory(configuration, logging, monitors.NewMonitor(typeof(StateMachines.Monitor)));
ClusterInstanceInput input = new ClusterInstanceInput();
ClusterInstanceOutput output = new ClusterInstanceOutput(uri);
ObjectStreamFactory objStreamFactory = new ObjectStreamFactory();
ProverTimeouts timeouts = new ProverTimeouts(uri);
InMemoryAcceptorInstanceStore acceptorInstances = new InMemoryAcceptorInstanceStore();
Config config = mock(typeof(Config));
when(config.Get(ClusterSettings.max_acceptors)).thenReturn(maxSurvivableFailedMembers);
DelayedDirectExecutor executor = new DelayedDirectExecutor(logging);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.cluster.protocol.atomicbroadcast.multipaxos.context.MultiPaxosContext context = new org.neo4j.cluster.protocol.atomicbroadcast.multipaxos.context.MultiPaxosContext(id, org.neo4j.helpers.collection.Iterables.iterable(new org.neo4j.cluster.protocol.election.ElectionRole(org.neo4j.cluster.protocol.cluster.ClusterConfiguration.COORDINATOR)), new org.neo4j.cluster.protocol.cluster.ClusterConfiguration(configuration.getName(), logging, configuration.getMemberURIs()), executor, logging, objStreamFactory, objStreamFactory, acceptorInstances, timeouts, new org.neo4j.kernel.ha.cluster.DefaultElectionCredentialsProvider(id, new StateVerifierLastTxIdGetter(), new MemberInfoProvider()), config);
MultiPaxosContext context = new MultiPaxosContext(id, Iterables.iterable(new ElectionRole(ClusterConfiguration.COORDINATOR)), new ClusterConfiguration(configuration.Name, logging, configuration.MemberURIs), executor, logging, objStreamFactory, objStreamFactory, acceptorInstances, timeouts, new DefaultElectionCredentialsProvider(id, new StateVerifierLastTxIdGetter(), new MemberInfoProvider()), config);
context.ClusterContext.BoundAt = uri;
SnapshotContext snapshotContext = new SnapshotContext(context.ClusterContext, context.LearnerContext);
DelayedDirectExecutor taskExecutor = new DelayedDirectExecutor(logging);
ProtocolServer ps = factory.NewProtocolServer(id, input, output, DirectExecutor, taskExecutor, timeouts, context, snapshotContext);
return(new ClusterInstance(DirectExecutor, logging, factory, ps, context, acceptorInstances, timeouts, input, output, uri));
}
public override bool Process <T1>(Message <T1> message) where T1 : Org.Neo4j.cluster.com.message.MessageType
{
if (!message.Internal && !message.MessageType.Equals(HeartbeatMessage.IAmAlive) && !message.MessageType.Equals(HeartbeatMessage.Suspicions))
{
// We assume the HEADER_FROM header always exists.
string from = message.GetHeader(Message.HEADER_FROM);
if (!from.Equals(message.GetHeader(Message.HEADER_TO)))
{
InstanceId theId;
if (message.HasHeader(Message.HEADER_INSTANCE_ID))
{
// HEADER_INSTANCE_ID is there since after 1.9.6
theId = new InstanceId(int.Parse(message.GetHeader(Message.HEADER_INSTANCE_ID)));
}
else
{
theId = _clusterContext.Configuration.getIdForUri(URI.create(from));
}
if (theId != null && _clusterContext.Configuration.Members.ContainsKey(theId) && !_clusterContext.isMe(theId))
{
Message <HeartbeatMessage> heartbeatMessage = message.CopyHeadersTo(Message.@internal(HeartbeatMessage.IAmAlive, new HeartbeatMessage.IAmAliveState(theId)), Message.HEADER_FROM, Message.HEADER_INSTANCE_ID);
_output.offer(heartbeatMessage);
}
}
}
return(true);
}
public override void Elected(string roleName, InstanceId instanceId, InstanceId electorId, long version)
{
if (electorId != null)
{
if (electorId.Equals(MyId))
{
GetLog(this.GetType()).debug("I elected instance " + instanceId + " for role " + roleName + " at version " + version);
if (version < _electorVersion)
{
return;
}
}
else if (electorId.Equals(_lastElector) && (version < _electorVersion && version > 1))
{
GetLog(this.GetType()).warn("Election result for role " + roleName + " received from elector instance " + electorId + " with version " + version + ". I had version " + _electorVersion + " for elector " + _lastElector);
return;
}
else
{
GetLog(this.GetType()).debug("Setting elector to " + electorId + " and its version to " + version);
}
this._electorVersion = version;
this._lastElector = electorId;
}
CommonState.configuration().elected(roleName, instanceId);
_clusterListeners.notify(_executor, listener => listener.elected(roleName, instanceId, CommonState.configuration().getUriForId(instanceId)));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void delayedVoteFromPreviousElectionMustNotCauseCurrentElectionToComplete() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void DelayedVoteFromPreviousElectionMustNotCauseCurrentElectionToComplete()
{
// Given
ElectionContext context = mock(typeof(ElectionContext));
MessageHolder holder = mock(typeof(MessageHolder));
when(context.GetLog(Mockito.any())).thenReturn(NullLog.Instance);
const string role = "master";
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.cluster.InstanceId voter = new org.neo4j.cluster.InstanceId(2);
InstanceId voter = new InstanceId(2);
ElectionCredentials voteCredentialComparable = mock(typeof(ElectionCredentials));
Message <ElectionMessage> vote = Message.@internal(voted, new ElectionMessage.VersionedVotedData(role, voter, voteCredentialComparable, 4));
when(context.Voted(role, voter, voteCredentialComparable, 4)).thenReturn(false);
// When
election.handle(context, vote, holder);
verify(context).getLog(ArgumentMatchers.any());
verify(context).voted(role, voter, voteCredentialComparable, 4);
// Then
verifyNoMoreInteractions(context, holder);
}
internal virtual void SwitchToSlave(InstanceId me)
{
InstanceId someOneElseThanMyself = new InstanceId(me.ToIntegerIndex() + 1);
Listener.memberIsAvailable("master", someOneElseThanMyself, URI.create("cluster://127.0.0.1:2390?serverId=2"), null);
Listener.memberIsAvailable("slave", me, null, null);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void whenInToSlaveStateLosingQuorumShouldPutInPending()
public virtual void WhenInToSlaveStateLosingQuorumShouldPutInPending()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId other = new InstanceId(2);
HighAvailabilityMemberContext context = new SimpleHighAvailabilityMemberContext(me, false);
AvailabilityGuard guard = mock(typeof(DatabaseAvailabilityGuard));
ObservedClusterMembers members = MockClusterMembers(me, emptyList(), singletonList(other));
ClusterMemberEvents events = mock(typeof(ClusterMemberEvents));
ClusterMemberListenerContainer memberListenerContainer = MockAddClusterMemberListener(events);
HighAvailabilityMemberStateMachine stateMachine = BuildMockedStateMachine(context, events, members, guard);
stateMachine.Init();
ClusterMemberListener memberListener = memberListenerContainer.Get();
HAStateChangeListener probe = new HAStateChangeListener();
stateMachine.AddHighAvailabilityMemberListener(probe);
// Send it to MASTER
memberListener.MemberIsAvailable(MASTER, other, URI.create("ha://whatever"), StoreId.DEFAULT);
assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.ToSlave));
// When
memberListener.MemberIsFailed(new InstanceId(2));
// Then
assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Pending));
assertThat(probe.InstanceStopsConflict, @is(false));
assertThat(probe.InstanceDetachedConflict, @is(true));
verify(guard, times(1)).require(any(typeof(AvailabilityRequirement)));
}
/*
* This test ensures that an instance that cleanly leaves the cluster but is not the elector has no effect on
* elector id and last version
*/
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void nonElectorLeavingTheClusterMustNotAffectElectorInformation()
public virtual void NonElectorLeavingTheClusterMustNotAffectElectorInformation()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId elector = new InstanceId(2);
InstanceId other = new InstanceId(3);
ClusterConfiguration clusterConfiguration = mock(typeof(ClusterConfiguration));
when(clusterConfiguration.GetUriForId(other)).thenReturn(URI.create("cluster://instance2"));
CommonContextState commonContextState = mock(typeof(CommonContextState));
when(commonContextState.Configuration()).thenReturn(clusterConfiguration);
ClusterContext context = new ClusterContextImpl(me, commonContextState, NullLogProvider.Instance, mock(typeof(Timeouts)), mock(typeof(Executor)), mock(typeof(ObjectOutputStreamFactory)), mock(typeof(ObjectInputStreamFactory)), mock(typeof(LearnerContext)), mock(typeof(HeartbeatContext)), mock(typeof(Config)));
// This means instance 2 was the elector at version 8
context.LastElector = elector;
context.LastElectorVersion = 8;
// When
context.Left(other);
// Then
assertEquals(context.LastElector, elector);
assertEquals(context.LastElectorVersion, 8);
}
public void WriteXml(XmlWriter writer)
{
writer.WriteStartElement("SceneObject");
writer.WriteAttributeString("id", Id);
writer.WriteAttributeString("instanceId", InstanceId.ToString());
writer.WriteStartElement("Transform");
writer.WriteAttributeString("position", XmlUtils.Vector3ToString(Transform.LocalPosition));
writer.WriteAttributeString("rotation", XmlUtils.Vector4ToString(Transform.LocalRotation.ToAxisAngle()));
writer.WriteAttributeString("scale", XmlUtils.Vector3ToString(Transform.LocalScale));
writer.WriteEndElement();
foreach (Component c in Components)
{
c.WriteXml(writer);
}
for (int i = 0; i < ChildCount; ++i)
{
GetChild(i).WriteXml(writer);
}
writer.WriteEndElement();
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void whenInMasterStateLosingQuorumFromTwoInstancesShouldRemainMaster()
public virtual void WhenInMasterStateLosingQuorumFromTwoInstancesShouldRemainMaster()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId other = new InstanceId(2);
HighAvailabilityMemberContext context = new SimpleHighAvailabilityMemberContext(me, false);
AvailabilityGuard guard = mock(typeof(DatabaseAvailabilityGuard));
ObservedClusterMembers members = MockClusterMembers(me, emptyList(), singletonList(other));
ClusterMemberEvents events = mock(typeof(ClusterMemberEvents));
ClusterMemberListenerContainer memberListenerContainer = MockAddClusterMemberListener(events);
HighAvailabilityMemberStateMachine stateMachine = BuildMockedStateMachine(context, events, members, guard);
stateMachine.Init();
ClusterMemberListener memberListener = memberListenerContainer.Get();
HAStateChangeListener probe = new HAStateChangeListener();
stateMachine.AddHighAvailabilityMemberListener(probe);
// Send it to MASTER
memberListener.CoordinatorIsElected(me);
memberListener.MemberIsAvailable(MASTER, me, URI.create("ha://whatever"), StoreId.DEFAULT);
assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Master));
// When
memberListener.MemberIsFailed(new InstanceId(2));
// Then
assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Master));
assertThat(probe.InstanceStopsConflict, @is(false));
assertThat(probe.InstanceDetachedConflict, @is(false));
}
public override void CoordinatorIsElected(InstanceId coordinatorId)
{
lock (this)
{
try
{
HighAvailabilityMemberState oldState = outerInstance.state;
InstanceId previousElected = outerInstance.context.ElectedMasterId;
outerInstance.context.AvailableHaMasterId = null;
if (!AcceptNewState(outerInstance.state.masterIsElected(outerInstance.context, coordinatorId)))
{
return;
}
outerInstance.context.ElectedMasterId = coordinatorId;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final HighAvailabilityMemberChangeEvent event = new HighAvailabilityMemberChangeEvent(oldState, state, coordinatorId, null);
HighAvailabilityMemberChangeEvent @event = new HighAvailabilityMemberChangeEvent(oldState, outerInstance.state, coordinatorId, null);
outerInstance.memberListeners.Notify(listener => listener.masterIsElected(@event));
if (oldState.AccessAllowed && oldState != outerInstance.state)
{
outerInstance.databaseAvailabilityGuard.Require(AvailabilityRequirement);
}
outerInstance.log.Debug("Got masterIsElected(" + coordinatorId + "), moved to " + outerInstance.state + " from " + oldState + ". Previous elected master is " + previousElected);
}
catch (Exception t)
{
throw new Exception(t);
}
}
}
public override int GetHashCode()
{
int hash = 1;
if (InstanceId != 0)
{
hash ^= InstanceId.GetHashCode();
}
if (deck_ != null)
{
hash ^= Deck.GetHashCode();
}
if (Gold != 0)
{
hash ^= Gold.GetHashCode();
}
if (Food != 0)
{
hash ^= Food.GetHashCode();
}
hash ^= items_.GetHashCode();
hash ^= equips_.GetHashCode();
hash ^= buffs_.GetHashCode();
return(hash);
}
private HeartbeatContextImpl(InstanceId me, CommonContextState commonState, LogProvider logging, Timeouts timeouts, ISet <InstanceId> failed, IDictionary <InstanceId, ISet <InstanceId> > nodeSuspicions, Listeners <HeartbeatListener> heartBeatListeners, Executor executor) : base(me, commonState, logging, timeouts)
{
this._failed = failed;
this._nodeSuspicions = nodeSuspicions;
this._heartBeatListeners = heartBeatListeners;
this._executor = executor;
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFailAndAliveBothNotifyHeartbeatListenerInDelayedDirectExecutor()
public virtual void ShouldFailAndAliveBothNotifyHeartbeatListenerInDelayedDirectExecutor()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId failedMachine = new InstanceId(2);
InstanceId goodMachine = new InstanceId(3);
Timeouts timeouts = mock(typeof(Timeouts));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(3));
when(configuration.MemberIds).thenReturn(ids(3));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.List<Runnable> runnables = new java.util.ArrayList<>();
IList <ThreadStart> runnables = new List <ThreadStart>();
HeartbeatContext context = new HeartbeatContextImpl(me, commonState, NullLogProvider.Instance, timeouts, new DelayedDirectExecutorAnonymousInnerClass(this, NullLogProvider.Instance, runnables));
context.AddHeartbeatListener(mock(typeof(HeartbeatListener)));
context.Suspicions(goodMachine, new HashSet <InstanceId>(singletonList(failedMachine)));
context.Suspect(failedMachine); // fail
context.Alive(failedMachine); // alive
// Then
assertEquals(2, runnables.Count); // fail + alive
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void majorityOfNonSuspectedInstancesShouldBeEnoughToMarkAnInstanceAsFailed()
public virtual void MajorityOfNonSuspectedInstancesShouldBeEnoughToMarkAnInstanceAsFailed()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId member2 = new InstanceId(2);
InstanceId member3 = new InstanceId(3);
InstanceId member4 = new InstanceId(4);
InstanceId member5 = new InstanceId(5);
Timeouts timeouts = mock(typeof(Timeouts));
CommonContextState commonState = mock(typeof(CommonContextState));
ClusterConfiguration configuration = mock(typeof(ClusterConfiguration));
when(commonState.Configuration()).thenReturn(configuration);
when(configuration.Members).thenReturn(members(5));
when(configuration.MemberIds).thenReturn(ids(5));
DelayedDirectExecutor executor = new DelayedDirectExecutor(NullLogProvider.Instance);
HeartbeatContext context = new HeartbeatContextImpl(me, commonState, NullLogProvider.Instance, timeouts, executor);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.List<org.neo4j.cluster.InstanceId> failed = new java.util.ArrayList<>(4);
IList <InstanceId> failed = new List <InstanceId>(4);
HeartbeatListener listener = new HeartbeatListenerAnonymousInnerClass2(this, failed);
context.AddHeartbeatListener(listener);
// when
// just two suspicions come, no extra failing action should be taken since this is not majority
context.Suspect(member2);
context.Suspect(member3);
executor.Drain();
// then
assertEquals(0, failed.Count);
// when
// the another instance suspects them, therefore have a majority of non suspected, then 2 and 3 must fail
ISet <InstanceId> suspicionsFrom5 = new HashSet <InstanceId>();
suspicionsFrom5.Add(member2);
suspicionsFrom5.Add(member3);
context.Suspicions(member5, suspicionsFrom5);
executor.Drain();
// then
assertEquals(2, failed.Count);
assertTrue(failed.Contains(member2));
assertTrue(failed.Contains(member3));
// when
// an instance sends a heartbeat, it should be set as alive
context.Alive(member2);
executor.Drain();
// then
assertEquals(1, failed.Count);
assertTrue(failed.Contains(member3));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void whenInSlaveStateLosingOtherSlaveShouldNotPutInPending()
public virtual void WhenInSlaveStateLosingOtherSlaveShouldNotPutInPending()
{
// Given
InstanceId me = new InstanceId(1);
InstanceId master = new InstanceId(2);
InstanceId otherSlave = new InstanceId(3);
HighAvailabilityMemberContext context = new SimpleHighAvailabilityMemberContext(me, false);
AvailabilityGuard guard = mock(typeof(DatabaseAvailabilityGuard));
ObservedClusterMembers members = MockClusterMembers(me, singletonList(master), singletonList(otherSlave));
ClusterMemberEvents events = mock(typeof(ClusterMemberEvents));
ClusterMemberListenerContainer memberListenerContainer = MockAddClusterMemberListener(events);
HighAvailabilityMemberStateMachine stateMachine = BuildMockedStateMachine(context, events, members, guard);
stateMachine.Init();
ClusterMemberListener memberListener = memberListenerContainer.Get();
HAStateChangeListener probe = new HAStateChangeListener();
stateMachine.AddHighAvailabilityMemberListener(probe);
// Send it to MASTER
memberListener.MemberIsAvailable(MASTER, master, URI.create("ha://whatever"), StoreId.DEFAULT);
memberListener.MemberIsAvailable(SLAVE, me, URI.create("ha://whatever3"), StoreId.DEFAULT);
memberListener.MemberIsAvailable(SLAVE, otherSlave, URI.create("ha://whatever2"), StoreId.DEFAULT);
assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Slave));
// When
memberListener.MemberIsFailed(otherSlave);
// Then
assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Slave));
assertThat(probe.InstanceStopsConflict, @is(false));
}
public ClusterMember(InstanceId instanceId, IDictionary <string, URI> roles, StoreId storeId, bool alive)
{
this._instanceId = instanceId;
this._roles = roles;
this._storeId = storeId;
this._alive = alive;
}
public override void MemberIsFailed(InstanceId instanceId)
{
// If we don't have quorum anymore with the currently alive members, then go to pending
/*
* Unless this is a two instance cluster and we are the MASTER. This is an edge case in which a cluster
* of two instances gets a partition and we want to maintain write capability on one side.
* This, in combination with use of slave_only, is a cheap way to provide quasi-read-replica
* functionality for HA under the 2-instance scenario.
*/
if (!isQuorum(AliveCount, TotalCount) && !(TotalCount == 2 && outerInstance.state == HighAvailabilityMemberState.Master))
{
HighAvailabilityMemberState oldState = outerInstance.state;
ChangeStateToDetached();
outerInstance.log.Debug("Got memberIsFailed(" + instanceId + ") and cluster lost quorum to continue, moved to " + outerInstance.state + " from " + oldState + ", while maintaining read only capability.");
}
else if (instanceId.Equals(outerInstance.context.ElectedMasterId) && outerInstance.state == HighAvailabilityMemberState.Slave)
{
HighAvailabilityMemberState oldState = outerInstance.state;
ChangeStateToDetached();
outerInstance.log.Debug("Got memberIsFailed(" + instanceId + ") which was the master and i am a slave, moved to " + outerInstance.state + " from " + oldState + ", while maintaining read only capability.");
}
else
{
outerInstance.log.Debug("Got memberIsFailed(" + instanceId + ")");
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldIgnoreSuspicionsForOurselves() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldIgnoreSuspicionsForOurselves()
{
// Given
InstanceId instanceId = new InstanceId(1);
HeartbeatState heartbeat = HeartbeatState.Heartbeat;
ClusterConfiguration configuration = new ClusterConfiguration("whatever", NullLogProvider.Instance, "cluster://1", "cluster://2");
configuration.Joined(instanceId, URI.create("cluster://1"));
configuration.Joined(new InstanceId(2), URI.create("cluster://2"));
Config config = mock(typeof(Config));
when(config.Get(ClusterSettings.max_acceptors)).thenReturn(10);
MultiPaxosContext context = new MultiPaxosContext(instanceId, iterable(new ElectionRole("coordinator")), configuration, Mockito.mock(typeof(Executor)), NullLogProvider.Instance, Mockito.mock(typeof(ObjectInputStreamFactory)), Mockito.mock(typeof(ObjectOutputStreamFactory)), Mockito.mock(typeof(AcceptorInstanceStore)), Mockito.mock(typeof(Timeouts)), mock(typeof(ElectionCredentialsProvider)), config);
HeartbeatContext heartbeatContext = context.HeartbeatContext;
Message received = Message.@internal(HeartbeatMessage.Suspicions, new HeartbeatMessage.SuspicionsState(asSet(iterable(instanceId))));
received.setHeader(Message.HEADER_FROM, "cluster://2").SetHeader(Message.HEADER_INSTANCE_ID, "2");
// When
heartbeat.handle(heartbeatContext, received, mock(typeof(MessageHolder)));
// Then
assertThat(heartbeatContext.GetSuspicionsOf(instanceId).Count, equalTo(0));
}
public override int GetHashCode()
{
int hash = 1;
if (accessPointsConfig_ != null)
{
hash ^= AccessPointsConfig.GetHashCode();
}
if (SessKey.Length != 0)
{
hash ^= SessKey.GetHashCode();
}
if (InstanceId != 0L)
{
hash ^= InstanceId.GetHashCode();
}
if (sdkOption_ != null)
{
hash ^= SdkOption.GetHashCode();
}
if (accessPointsCOnfigIpv6_ != null)
{
hash ^= AccessPointsCOnfigIpv6.GetHashCode();
}
if (_unknownFields != null)
{
hash ^= _unknownFields.GetHashCode();
}
return(hash);
}
public void OnNewEntity(Safir.Dob.EntityProxy entityProxy)
{
Consoden.TankGame.GameState gameState = entityProxy.Entity as Consoden.TankGame.GameState;
if (gameState == null)
{
return;
}
for (int i = 0; i < gameState.Tanks.Count; i++)
{
if (!gameState.Tanks [i].IsNull())
{
Consoden.TankGame.Tank tank = gameState.Tanks [i].Obj;
if (tank.PlayerId.Val == myPlayerId)
{
currentGameId = entityProxy.InstanceId;
myTankId = tank.TankId.Val;
myJoystickId = InstanceId.GenerateRandom();
Consoden.TankGame.Joystick joystick = new Consoden.TankGame.Joystick();
joystickCounter = 0;
joystick.PlayerId.Val = myPlayerId;
joystick.GameId.Val = currentGameId;
joystick.TankId.Val = myTankId;
joystick.Counter.Val = joystickCounter++;
connection.SetAll(joystick, myJoystickId, myHandlerId);
logic = new TankLogic(myTankId, UpdateJoystick);
break;
}
}
}
}
public override void Failed(InstanceId server)
{
foreach (KeyValuePair <string, Election> ongoingElection in _elections.SetOfKeyValuePairs())
{
ongoingElection.Value.Votes.remove(server);
}
}
public void Run()
{
var ctx = System.Threading.SynchronizationContext.Current;
var client = new WebClient();
var data = new JObject();
data["instanceId"] = InstanceId.ToString("N");
data["ports"] = new JArray(Ports);
var succeeded = false;
var stopwatch = new System.Diagnostics.Stopwatch();
int[] response_ports = null;
try {
stopwatch.Start();
var body = System.Text.Encoding.UTF8.GetBytes(data.ToString());
var response_body = System.Text.Encoding.UTF8.GetString(client.UploadData(Target, body));
var response = JToken.Parse(response_body);
response_ports = response["ports"].Select(token => (int)token).ToArray();
stopwatch.Stop();
succeeded = true;
}
catch (WebException) {
succeeded = false;
}
if (PortCheckCompleted != null)
{
PortCheckCompleted(
this,
new PortCheckCompletedEventArgs(
succeeded,
response_ports,
stopwatch.Elapsed));
}
}
public StateMachineProxyFactory(StateMachines stateMachines, StateMachineConversations conversations, InstanceId me, LogProvider logProvider)
{
this._stateMachines = stateMachines;
this._conversations = conversations;
this._me = me;
this._log = logProvider.getLog(this.GetType());
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void substituteFailedNodeAndFailedComesOnlineAgain() throws java.net.URISyntaxException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void SubstituteFailedNodeAndFailedComesOnlineAgain()
{
IList <URI> correctMembers = new List <URI>();
correctMembers.Add(URI.create("server1"));
correctMembers.Add(URI.create("server2"));
correctMembers.Add(URI.create("server4"));
IList <URI> badMembers = new List <URI>();
badMembers.Add(URI.create("server1"));
badMembers.Add(URI.create("server2"));
badMembers.Add(URI.create("server3"));
IDictionary <string, InstanceId> roles = new Dictionary <string, InstanceId>();
roles["coordinator"] = new InstanceId(1);
ISet <InstanceId> clusterMemberFailed = new HashSet <InstanceId>(); // no failures
ISet <InstanceId> isolatedMemberFailed = new HashSet <InstanceId>();
isolatedMemberFailed.Add(new InstanceId(1)); // will never receive heartbeats again from 1,2 so they are failed
isolatedMemberFailed.Add(new InstanceId(2));
TestCluster(new int[] { 1, 2, 3, 3 }, new VerifyInstanceConfiguration[] { new VerifyInstanceConfiguration(correctMembers, roles, clusterMemberFailed), new VerifyInstanceConfiguration(correctMembers, roles, clusterMemberFailed), new VerifyInstanceConfiguration(badMembers, roles, isolatedMemberFailed), new VerifyInstanceConfiguration(correctMembers, roles, clusterMemberFailed) }, DefaultNetwork(), (new ClusterTestScriptDSL(this)).Rounds(800).join(100, 1, 1).join(100, 2, 1).join(100, 3, 1).down(3000, 3).join(1000, 4, 1, 2, 3).up(1000, 3));
}
public override void Alive(InstanceId server)
{
if (outerInstance.members.ContainsKey(server))
{
outerInstance.members[server] = outerInstance.getMember(server).Alive();
}
}
public Player(string playerName)
{
//This players unique identifiers
myHandlerId = new HandlerId (playerName + "Handler");
myPlayerId = new InstanceId (playerName + "Instance");
// Open DOB connection. Register player and joystick, subscribe for gameStates
connection.Open (playerName, "", 0, this, this);
connection.RegisterEntityHandler (Consoden.TankGame.Player.ClassTypeId, myHandlerId, Safir.Dob.InstanceIdPolicy.Enumeration.HandlerDecidesInstanceId, this);
connection.RegisterEntityHandler (Consoden.TankGame.Joystick.ClassTypeId, myHandlerId, Safir.Dob.InstanceIdPolicy.Enumeration.HandlerDecidesInstanceId, this);
connection.SubscribeEntity (Consoden.TankGame.GameState.ClassTypeId, this);
//Create our player entity
Consoden.TankGame.Player player = new Consoden.TankGame.Player ();
player.Name.Val = playerName;
connection.SetAll (player, myPlayerId, myHandlerId);
//Run the game player
Run ();
}
public void OnDeletedEntity(Safir.Dob.EntityProxy entityProxy, bool deprecated)
{
if (entityProxy.TypeId == Consoden.TankGame.GameState.ClassTypeId &&
entityProxy.InstanceId == currentGameId) {
if (myJoystickId != null) {
connection.Delete (new EntityId (Consoden.TankGame.Joystick.ClassTypeId, myJoystickId), myHandlerId);
}
logic = null;
myJoystickId = null;
currentGameId = null;
myTankId = -1;
}
}
public void OnNewEntity(Safir.Dob.EntityProxy entityProxy)
{
Consoden.TankGame.GameState gameState = entityProxy.Entity as Consoden.TankGame.GameState;
if (gameState == null) {
return;
}
for (int i=0; i<gameState.Tanks.Count; i++) {
if (!gameState.Tanks [i].IsNull ()) {
Consoden.TankGame.Tank tank = gameState.Tanks [i].Obj;
if (tank.PlayerId.Val == myPlayerId) {
currentGameId = entityProxy.InstanceId;
myTankId = tank.TankId.Val;
myJoystickId = InstanceId.GenerateRandom ();
Consoden.TankGame.Joystick joystick = new Consoden.TankGame.Joystick ();
joystickCounter = 0;
joystick.PlayerId.Val = myPlayerId;
joystick.GameId.Val = currentGameId;
joystick.TankId.Val = myTankId;
joystick.Counter.Val = joystickCounter++;
connection.SetAll (joystick, myJoystickId, myHandlerId);
logic = new TankLogic (myTankId, UpdateJoystick);
break;
}
}
}
}
