Examples of org.infinispan.util.BlockingLocalTopologyManager

org.infinispan.util.BlockingLocalTopologyManager
Replaces the LocalTopologyManager and allows it to block the phases of the state transfer:
- Rebalance Start
- Confirm Rebalance
- Consistent Hash Update
@author Pedro Ruivo @since 6.0

            .fetchInMemoryState(true);
      return builder;
   }


   private BlockingLocalTopologyManager replaceTopologyManager(CacheContainer cacheContainer) {
      BlockingLocalTopologyManager localTopologyManager = BlockingLocalTopologyManager.replaceTopologyManager(cacheContainer);
      topologyManagerList.add(localTopologyManager);
      return localTopologyManager;
   }

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      final TestCaches<Object, Object> testCaches = createTestCache(event, LON);
      log.debugf("Controlled cache=%s, Coordinator cache=%s, Cache to remove=%s", addressOf(testCaches.controllerCache),
                 addressOf(testCaches.coordinator), testCaches.removeIndex < 0 ? "NONE" : addressOf(cache(LON, testCaches.removeIndex)));


      final BlockingLocalTopologyManager topologyManager = replaceTopologyManager(testCaches.controllerCache.getCacheManager());


      topologyManager.startBlocking(BlockingLocalTopologyManager.LatchType.CONSISTENT_HASH_UPDATE);


      final Future<Void> topologyEventFuture = triggerTopologyChange(LON, testCaches.removeIndex);


      topologyManager.waitToBlock(BlockingLocalTopologyManager.LatchType.CONSISTENT_HASH_UPDATE);


      log.debug("Start x-site state transfer");
      startStateTransfer(testCaches.coordinator, NYC);
      assertOnline(LON, NYC);


      topologyManager.stopBlockingAll();


      topologyEventFuture.get();


      awaitLocalStateTransfer(LON);
      awaitXSiteStateSent(LON);

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      initBeforeTest();


      final TestCaches<Object, Object> testCaches = createTestCache(event, NYC);
      printTestCaches(testCaches);


      final BlockingLocalTopologyManager topologyManager = replaceTopologyManager(testCaches.controllerCache.getCacheManager());
      final CheckPoint checkPoint = new CheckPoint();


      wrapGlobalComponent(cache(NYC, 0).getCacheManager(),
                          BackupReceiverRepository.class,
                          new WrapFactory<BackupReceiverRepository, BackupReceiverRepository, CacheContainer>() {
                             @Override
                             public BackupReceiverRepository wrap(final CacheContainer wrapOn, final BackupReceiverRepository current) {
                                BackupReceiverRepositoryDelegator delegator = new BackupReceiverRepositoryDelegator(current) {
                                   @Override
                                   public BackupReceiver getBackupReceiver(String originSiteName, String cacheName) {
                                      return new BackupReceiverDelegator(super.getBackupReceiver(originSiteName, cacheName)) {
                                         @Override
                                         public void handleStateTransferState(XSiteStatePushCommand cmd) throws Exception {
                                            checkPoint.trigger("before-chunk");
                                            delegate.handleStateTransferState(cmd);
                                         }
                                      };
                                   }
                                };
                                JGroupsTransport t = (JGroupsTransport) extractGlobalComponent(wrapOn, Transport.class);
                                CommandAwareRpcDispatcher card = t.getCommandAwareRpcDispatcher();
                                replaceField(delegator, "backupReceiverRepository", card, CommandAwareRpcDispatcher.class);
                                return delegator;
                             }
                          }, true);


      topologyManager.startBlocking(BlockingLocalTopologyManager.LatchType.CONSISTENT_HASH_UPDATE);


      final Future<Void> topologyEventFuture = triggerTopologyChange(NYC, testCaches.removeIndex);


      topologyManager.waitToBlock(BlockingLocalTopologyManager.LatchType.CONSISTENT_HASH_UPDATE);


      log.debug("Start x-site state transfer");
      startStateTransfer(testCaches.coordinator, NYC);
      assertOnline(LON, NYC);


      //in the current implementation, the x-site state transfer is not triggered while the rebalance is in progress.
      checkPoint.awaitStrict("before-chunk", 30, TimeUnit.SECONDS);
      topologyManager.stopBlockingAll();


      topologyEventFuture.get();


      awaitXSiteStateSent(LON);
      awaitLocalStateTransfer(NYC);

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   private void assertKeyOwnership(Object key, Cache primaryOwner, Cache... backupOwners) {
      assertTrue("Wrong ownership for " + key + ".", hasOwners(key, primaryOwner, backupOwners));
   }


   private BlockingLocalTopologyManager replaceTopologyManager(CacheContainer cacheContainer) {
      BlockingLocalTopologyManager localTopologyManager = BlockingLocalTopologyManager.replaceTopologyManager(cacheContainer);
      topologyManagerList.add(localTopologyManager);
      return localTopologyManager;
   }

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      assertClusterSize("Wrong cluster size.", 2);
      final Object key = "key_s1";
      ownerCheckAndInit(cache(1), key, "v");


      final ControlledRpcManager rpcManager = replaceRpcManager(cache(0));
      final BlockingLocalTopologyManager topologyManager = replaceTopologyManager(manager(0));
      final int currentTopologyId = currentTopologyId(cache(0));


      rpcManager.blockBefore(ClusteredGetCommand.class);
      topologyManager.startBlocking(LatchType.REBALANCE);


      //remote get is processed in current topology id.
      Future<Object> remoteGetFuture = remoteGet(cache(0), key);
      rpcManager.waitForCommandToBlock();


      NewNode joiner = addNode();
      topologyManager.waitToBlock(LatchType.REBALANCE);


      //wait until the rebalance_start arrives in old owner and let the remote get go
      awaitForTopology(currentTopologyId + 1, cache(1));
      rpcManager.stopBlocking();


      //check the value returned and make sure that the requestor is still in currentTopologyId (consistency check)
      assertEquals("Wrong value from remote get.", "v", remoteGetFuture.get());
      assertTopologyId(currentTopologyId, cache(0));


      topologyManager.stopBlocking(LatchType.REBALANCE);
      joiner.joinerFuture.get();
   }

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   public void testScenario2() throws Exception {
      assertClusterSize("Wrong cluster size.", 2);
      final Object key = "key_s2";
      ownerCheckAndInit(cache(1), key, "v");
      final ControlledRpcManager rpcManager = replaceRpcManager(cache(0));
      final BlockingLocalTopologyManager topologyManager = replaceTopologyManager(manager(0));
      final int currentTopologyId = currentTopologyId(cache(0));


      rpcManager.blockBefore(ClusteredGetCommand.class);
      topologyManager.startBlocking(LatchType.CONFIRM_REBALANCE);


      //the remote get is triggered in the current topology id.
      Future<Object> remoteGetFuture = remoteGet(cache(0), key);
      rpcManager.waitForCommandToBlock();


      NewNode joiner = addNode();
      topologyManager.waitToBlock(LatchType.CONFIRM_REBALANCE);


      //wait until the rebalance start arrives in old owner and in the requestor. then let the remote get go.
      awaitForTopology(currentTopologyId + 1, cache(1));
      awaitForTopology(currentTopologyId + 1, cache(0));
      rpcManager.stopBlocking();


      //check the value returned and make sure that the requestor is in the correct topology id (consistency check)
      assertEquals("Wrong value from remote get.", "v", remoteGetFuture.get());
      assertTopologyId(currentTopologyId + 1, cache(0));


      topologyManager.stopBlocking(LatchType.CONFIRM_REBALANCE);
      joiner.joinerFuture.get();
   }

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   public void testScenario3() throws Exception {
      assertClusterSize("Wrong cluster size.", 2);
      final Object key = "key_s3";
      ownerCheckAndInit(cache(1), key, "v");
      final ControlledRpcManager rpcManager = replaceRpcManager(cache(0));
      final BlockingLocalTopologyManager topologyManager = replaceTopologyManager(manager(0));
      final int currentTopologyId = currentTopologyId(cache(0));


      rpcManager.blockBefore(ClusteredGetCommand.class);
      topologyManager.startBlocking(LatchType.CONFIRM_REBALANCE);


      NewNode joiner = addNode();
      topologyManager.waitToBlock(LatchType.CONFIRM_REBALANCE);


      //consistency check
      awaitForTopology(currentTopologyId + 1, cache(0));


      //the remote get is triggered after the rebalance_start and before the confirm_rebalance.
      Future<Object> remoteGetFuture = remoteGet(cache(0), key);
      rpcManager.waitForCommandToBlock();


      //wait until the rebalance_start arrives in old owner
      awaitForTopology(currentTopologyId + 1, cache(1));
      rpcManager.stopBlocking();


      //check the value returned and make sure that the requestor is in the correct topology id (consistency check)
      assertEquals("Wrong value from remote get.", "v", remoteGetFuture.get());
      assertTopologyId(currentTopologyId + 1, cache(0));


      topologyManager.stopBlocking(LatchType.CONFIRM_REBALANCE);
      joiner.joinerFuture.get();
   }

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   public void testScenario4() throws Exception {
      assertClusterSize("Wrong cluster size.", 2);
      final Object key = "key_s4";
      ownerCheckAndInit(cache(1), key, "v");
      final ControlledRpcManager rpcManager = replaceRpcManager(cache(0));
      final BlockingLocalTopologyManager topologyManager = replaceTopologyManager(manager(0));
      final int currentTopologyId = currentTopologyId(cache(0));


      rpcManager.blockBefore(ClusteredGetCommand.class);
      topologyManager.startBlocking(LatchType.CONSISTENT_HASH_UPDATE);


      //consistency check. the remote get is triggered
      assertTopologyId(currentTopologyId, cache(0));
      Future<Object> remoteGetFuture = remoteGet(cache(0), key);
      rpcManager.waitForCommandToBlock();


      NewNode joiner = addNode(LatchType.CONSISTENT_HASH_UPDATE);
      topologyManager.waitToBlock(LatchType.CONSISTENT_HASH_UPDATE);


      //wait until the consistent_hash_update arrives in old owner. Also, awaits until the requestor receives the
      //rebalance_start.
      awaitForTopology(currentTopologyId + 2, cache(1));
      awaitForTopology(currentTopologyId + 1, cache(0));
      awaitUntilNotInDataContainer(cache(1), key);
      joiner.localTopologyManager.waitToBlock(LatchType.CONSISTENT_HASH_UPDATE);
      rpcManager.stopBlocking();


      //check the value returned and make sure that the requestor is in the correct topology id (consistency check)
      assertEquals("Wrong value from remote get.", "v", remoteGetFuture.get());
      assertTopologyId(currentTopologyId + 1, cache(0));


      topologyManager.stopBlocking(LatchType.CONSISTENT_HASH_UPDATE);
      joiner.localTopologyManager.stopBlocking(LatchType.CONSISTENT_HASH_UPDATE);
      joiner.joinerFuture.get();
   }

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   public void testScenario4_1() throws Exception {
      assertClusterSize("Wrong cluster size.", 2);
      final Object key = "key_s4";
      ownerCheckAndInit(cache(1), key, "v");
      final ControlledRpcManager rpcManager = replaceRpcManager(cache(0));
      final BlockingLocalTopologyManager topologyManager = replaceTopologyManager(manager(0));
      final int currentTopologyId = currentTopologyId(cache(0));


      rpcManager.blockBefore(ClusteredGetCommand.class);
      topologyManager.startBlocking(LatchType.CONSISTENT_HASH_UPDATE);


      //consistency check. the remote get is triggered
      assertTopologyId(currentTopologyId, cache(0));
      Future<Object> remoteGetFuture = remoteGet(cache(0), key);
      rpcManager.waitForCommandToBlock();


      NewNode joiner = addNode();
      topologyManager.waitToBlock(LatchType.CONSISTENT_HASH_UPDATE);


      //wait until the consistent_hash_update arrives in old owner. Also, awaits until the requestor receives the
      //rebalance_start.
      awaitForTopology(currentTopologyId + 2, cache(1));
      awaitForTopology(currentTopologyId + 1, cache(0));
      awaitForTopology(currentTopologyId + 2, cache(2));
      awaitUntilNotInDataContainer(cache(1), key);
      rpcManager.stopBlocking();


      //check the value returned and make sure that the requestor is in the correct topology id (consistency check)
      assertEquals("Wrong value from remote get.", "v", remoteGetFuture.get());
      assertTopologyId(currentTopologyId + 1, cache(0));


      topologyManager.stopBlocking(LatchType.CONSISTENT_HASH_UPDATE);
      joiner.joinerFuture.get();
   }

View Full Code Here

   public void testScenario6() throws Exception {
      assertClusterSize("Wrong cluster size.", 2);
      final Object key = "key_s6";
      ownerCheckAndInit(cache(1), key, "v");
      final ControlledRpcManager rpcManager = replaceRpcManager(cache(0));
      final BlockingLocalTopologyManager topologyManager = replaceTopologyManager(manager(0));
      final int currentTopologyId = currentTopologyId(cache(0));


      rpcManager.blockBefore(ClusteredGetCommand.class);
      topologyManager.startBlocking(LatchType.CONSISTENT_HASH_UPDATE);


      NewNode joiner = addNode(LatchType.CONSISTENT_HASH_UPDATE);
      topologyManager.waitToBlock(LatchType.CONSISTENT_HASH_UPDATE);


      //consistency check. trigger the remote get.
      assertTopologyId(currentTopologyId + 1, cache(0));
      Future<Object> remoteGetFuture = remoteGet(cache(0), key);
      rpcManager.waitForCommandToBlock();


      //wait until the consistent_hash_update arrives in old owner
      awaitForTopology(currentTopologyId + 2, cache(1));
      awaitUntilNotInDataContainer(cache(1), key);
      joiner.localTopologyManager.waitToBlock(LatchType.CONSISTENT_HASH_UPDATE);
      rpcManager.stopBlocking();


      //check the value returned and make sure that the requestor is in the correct topology id (consistency check)
      assertEquals("Wrong value from remote get.", "v", remoteGetFuture.get());
      assertTopologyId(currentTopologyId + 1, cache(0));


      topologyManager.stopBlocking(LatchType.CONSISTENT_HASH_UPDATE);
      joiner.localTopologyManager.stopBlocking(LatchType.CONSISTENT_HASH_UPDATE);
      joiner.joinerFuture.get();
   }

View Full Code Here

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Related Classes of org.infinispan.util.BlockingLocalTopologyManager

org.infinispan.statetransfer.RemoteGetDuringStateTransferTest

org.infinispan.statetransfer.WriteSkewDuringStateTransferTest

org.infinispan.topology.LocalTopologyManager

org.infinispan.xsite.statetransfer.failures.SiteConsumerTopologyChangeTest

org.infinispan.xsite.statetransfer.failures.SiteProviderTopologyChangeTest

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