Examples with HandshakeResult org.neo4j.kernel.ha.com.master.HandshakeResult used on opensource projects

Example 6 with HandshakeResult

use of org.neo4j.kernel.ha.com.master.HandshakeResult in project neo4j by neo4j.

the class SwitchToSlaveBranchThenCopyTest method shouldHandleBranchedStoreWhenMyStoreIdDiffersFromMasterStoreId.

@Test
@SuppressWarnings("unchecked")
public void shouldHandleBranchedStoreWhenMyStoreIdDiffersFromMasterStoreId() throws Throwable {
    // Given
    SwitchToSlaveBranchThenCopy switchToSlave = newSwitchToSlaveSpy();
    URI me = new URI("cluster://localhost?serverId=2");
    MasterClient masterClient = mock(MasterClient.class);
    Response<HandshakeResult> response = mock(Response.class);
    when(response.response()).thenReturn(new HandshakeResult(1, 2));
    when(masterClient.handshake(anyLong(), any(StoreId.class))).thenReturn(response);
    StoreId storeId = newStoreIdForCurrentVersion(1, 2, 3, 4);
    TransactionIdStore transactionIdStore = mock(TransactionIdStore.class);
    when(transactionIdStore.getLastCommittedTransaction()).thenReturn(new TransactionId(42, 42, 42));
    when(transactionIdStore.getLastCommittedTransactionId()).thenReturn(TransactionIdStore.BASE_TX_ID);
    // When
    try {
        switchToSlave.checkDataConsistency(masterClient, transactionIdStore, storeId, new URI("cluster://localhost?serverId=1"), me, CancellationRequest.NEVER_CANCELLED);
        fail("Should have thrown " + MismatchingStoreIdException.class.getSimpleName() + " exception");
    } catch (MismatchingStoreIdException e) {
    // good we got the expected exception
    }
    // Then
    verify(switchToSlave).stopServicesAndHandleBranchedStore(any(BranchedDataPolicy.class));
}

Example 7 with HandshakeResult

use of org.neo4j.kernel.ha.com.master.HandshakeResult in project neo4j by neo4j.

the class SwitchToSlaveBranchThenCopyTest method newSwitchToSlaveSpy.

@SuppressWarnings("unchecked")
private SwitchToSlaveBranchThenCopy newSwitchToSlaveSpy(PageCache pageCacheMock, StoreCopyClient storeCopyClient) throws IOException {
    ClusterMembers clusterMembers = mock(ClusterMembers.class);
    ClusterMember master = mock(ClusterMember.class);
    when(master.getStoreId()).thenReturn(storeId);
    when(master.getHARole()).thenReturn(HighAvailabilityModeSwitcher.MASTER);
    when(master.hasRole(eq(HighAvailabilityModeSwitcher.MASTER))).thenReturn(true);
    when(master.getInstanceId()).thenReturn(new InstanceId(1));
    when(clusterMembers.getMembers()).thenReturn(singletonList(master));
    Dependencies resolver = new Dependencies();
    resolver.satisfyDependencies(requestContextFactory, clusterMembers, mock(TransactionObligationFulfiller.class), mock(OnlineBackupKernelExtension.class), mock(IndexConfigStore.class), mock(TransactionCommittingResponseUnpacker.class), mock(DataSourceManager.class), mock(StoreLockerLifecycleAdapter.class), mock(FileSystemWatcherService.class));
    NeoStoreDataSource dataSource = mock(NeoStoreDataSource.class);
    when(dataSource.getStoreId()).thenReturn(storeId);
    TransactionStats transactionCounters = mock(TransactionStats.class);
    when(transactionCounters.getNumberOfActiveTransactions()).thenReturn(0L);
    Response<HandshakeResult> response = mock(Response.class);
    when(response.response()).thenReturn(new HandshakeResult(42, 2));
    when(masterClient.handshake(anyLong(), any(StoreId.class))).thenReturn(response);
    when(masterClient.getProtocolVersion()).thenReturn(MasterClient320.PROTOCOL_VERSION);
    TransactionIdStore transactionIdStoreMock = mock(TransactionIdStore.class);
    // note that the checksum (the second member of the array) is the same as the one in the handshake mock above
    when(transactionIdStoreMock.getLastCommittedTransaction()).thenReturn(new TransactionId(42, 42, 42));
    MasterClientResolver masterClientResolver = mock(MasterClientResolver.class);
    when(masterClientResolver.instantiate(anyString(), anyInt(), anyString(), any(Monitors.class), any(StoreId.class), any(LifeSupport.class))).thenReturn(masterClient);
    return spy(new SwitchToSlaveBranchThenCopy(new File(""), NullLogService.getInstance(), configMock(), resolver, mock(HaIdGeneratorFactory.class), mock(DelegateInvocationHandler.class), mock(ClusterMemberAvailability.class), requestContextFactory, pullerFactory, masterClientResolver, mock(SwitchToSlave.Monitor.class), storeCopyClient, Suppliers.singleton(dataSource), Suppliers.singleton(transactionIdStoreMock), slave -> {
        SlaveServer server = mock(SlaveServer.class);
        InetSocketAddress inetSocketAddress = InetSocketAddress.createUnresolved("localhost", 42);
        when(server.getSocketAddress()).thenReturn(inetSocketAddress);
        return server;
    }, updatePuller, pageCacheMock, mock(Monitors.class), transactionCounters));
}

Example 8 with HandshakeResult

use of org.neo4j.kernel.ha.com.master.HandshakeResult in project neo4j by neo4j.

the class MasterClientTest method endLockSessionDoesNotUnpackResponse.

@Test
public void endLockSessionDoesNotUnpackResponse() throws Throwable {
    StoreId storeId = new StoreId(1, 2, 3, 4, 5);
    long txChecksum = 123;
    long lastAppliedTx = 5;
    ResponseUnpacker responseUnpacker = mock(ResponseUnpacker.class);
    MasterImpl.SPI masterImplSPI = MasterImplTest.mockedSpi(storeId);
    when(masterImplSPI.packTransactionObligationResponse(any(RequestContext.class), Matchers.anyObject())).thenReturn(Response.empty());
    when(masterImplSPI.getTransactionChecksum(anyLong())).thenReturn(txChecksum);
    newMasterServer(masterImplSPI);
    MasterClient client = newMasterClient320(storeId, responseUnpacker);
    HandshakeResult handshakeResult;
    try (Response<HandshakeResult> handshakeResponse = client.handshake(1, storeId)) {
        handshakeResult = handshakeResponse.response();
    }
    verify(responseUnpacker).unpackResponse(any(Response.class), any(TxHandler.class));
    reset(responseUnpacker);
    RequestContext context = new RequestContext(handshakeResult.epoch(), 1, 1, lastAppliedTx, txChecksum);
    client.endLockSession(context, false);
    verify(responseUnpacker, never()).unpackResponse(any(Response.class), any(TxHandler.class));
}

Example 9 with HandshakeResult

use of org.neo4j.kernel.ha.com.master.HandshakeResult in project neo4j by neo4j.

the class MasterClient214 method handshake.

@Override
public Response<HandshakeResult> handshake(final long txId, StoreId storeId) {
    Serializer serializer = buffer -> buffer.writeLong(txId);
    Deserializer<HandshakeResult> deserializer = (buffer, temporaryBuffer) -> new HandshakeResult(buffer.readLong(), buffer.readLong());
    return sendRequest(requestTypes.type(HaRequestTypes.Type.HANDSHAKE), RequestContext.EMPTY, serializer, deserializer, storeId, ResponseUnpacker.TxHandler.NO_OP_TX_HANDLER);
}