Examples with XSiteStatePushCommand org.infinispan.xsite.statetransfer.XSiteStatePushCommand used on opensource projects

Example 1 with XSiteStatePushCommand

use of org.infinispan.xsite.statetransfer.XSiteStatePushCommand in project infinispan by infinispan.

the class SiteProviderTopologyChangeTest method doTopologyChangeDuringXSiteStateTransfer.

/**
 * the test node starts the x-site state transfer and sends a chunk of data. the next chunk is blocked and we trigger
 * the cache topology change.
 */
private void doTopologyChangeDuringXSiteStateTransfer(TopologyEvent event) throws Exception {
    log.debugf("Start topology change during x-site state transfer with %s", event);
    initBeforeTest();
    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)));
    // the test node will start the x-site state transfer and it will block. next, it the topology will change.
    // strategy: let the first push command to proceed a block the next one.
    final CheckPoint checkPoint = new CheckPoint();
    final AtomicBoolean firstChunk = new AtomicBoolean(false);
    wrapGlobalComponent(testCaches.controllerCache.getCacheManager(), Transport.class, new WrapFactory<Transport, Transport, CacheContainer>() {

        @Override
        public Transport wrap(CacheContainer wrapOn, Transport current) {
            return new AbstractDelegatingTransport(current) {

                @Override
                public void start() {
                // no-op; avoid re-start the transport again...
                }

                @Override
                public XSiteResponse backupRemotely(XSiteBackup backup, XSiteReplicateCommand rpcCommand) {
                    if (rpcCommand instanceof XSiteStatePushCommand) {
                        if (firstChunk.compareAndSet(false, true)) {
                            checkPoint.trigger("before-second-chunk");
                            try {
                                checkPoint.awaitStrict("second-chunk", 30, TimeUnit.SECONDS);
                            } catch (InterruptedException | TimeoutException e) {
                                XSiteResponseImpl rsp = new XSiteResponseImpl(TIME_SERVICE, backup);
                                rsp.completeExceptionally(e);
                                return rsp;
                            }
                        }
                    }
                    return super.backupRemotely(backup, rpcCommand);
                }
            };
        }
    }, true);
    log.debug("Start x-site state transfer");
    startStateTransfer(testCaches.coordinator, NYC);
    assertOnline(LON, NYC);
    checkPoint.awaitStrict("before-second-chunk", 30, TimeUnit.SECONDS);
    final Future<Void> topologyEventFuture = triggerTopologyChange(LON, testCaches.removeIndex);
    topologyEventFuture.get();
    checkPoint.triggerForever("second-chunk");
    awaitLocalStateTransfer(LON);
    awaitXSiteStateSent(LON);
    assertData();
}