TopologyInfoBroadcastTest.java

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 * Lesser General Public License for more details.
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package org.infinispan.distribution.topologyaware;

import org.infinispan.config.Configuration;
import org.infinispan.config.GlobalConfiguration;
import org.infinispan.distribution.DistributionManagerImpl;
import org.infinispan.distribution.ch.TopologyAwareConsistentHash;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.remoting.transport.Address;
import org.infinispan.remoting.transport.TopologyAwareAddress;
import org.infinispan.test.MultipleCacheManagersTest;
import org.infinispan.test.TestingUtil;
import org.testng.annotations.Test;

import java.util.Set;

import static org.testng.Assert.assertEquals;

/**
 * @author Mircea.Markus@jboss.com
 * @since 4.2
 */
@Test(groups = "functional", testName = "topologyaware.TopologyInfoBroadcastTest")
public class TopologyInfoBroadcastTest extends MultipleCacheManagersTest {

   @Override
   protected void createCacheManagers() throws Throwable {
      createCluster(getClusterConfig(), 3);
      updatedSiteInfo(manager(0), "s0", "r0", "m0");
      updatedSiteInfo(manager(1), "s1", "r1", "m1");
      updatedSiteInfo(manager(2), "s2", "r2", "m2");
      log.info("Here it starts");
      waitForClusterToForm();
      log.info("Here it ends");
   }

   protected Configuration getClusterConfig() {
      return getDefaultClusteredConfig(Configuration.CacheMode.DIST_SYNC);
   }

   private void updatedSiteInfo(EmbeddedCacheManager embeddedCacheManager, String s, String r, String m) {
      GlobalConfiguration gc = embeddedCacheManager.getGlobalConfiguration();
      gc.setSiteId(s);
      gc.setRackId(r);
      gc.setMachineId(m);
   }

   public void testIsReplicated() {
      assert advancedCache(0).getDistributionManager().getConsistentHash() instanceof TopologyAwareConsistentHash;
      assert advancedCache(1).getDistributionManager().getConsistentHash() instanceof TopologyAwareConsistentHash;
      assert advancedCache(2).getDistributionManager().getConsistentHash() instanceof TopologyAwareConsistentHash;

      DistributionManagerImpl dmi = (DistributionManagerImpl) advancedCache(0).getDistributionManager();
      System.out.println("distributionManager.ConsistentHash() = " + dmi.getConsistentHash());
      assertTopologyInfo3Nodes(dmi.getConsistentHash().getCaches());
      dmi = (DistributionManagerImpl) advancedCache(1).getDistributionManager();
      assertTopologyInfo3Nodes(dmi.getConsistentHash().getCaches());
      dmi = (DistributionManagerImpl) advancedCache(2).getDistributionManager();
      assertTopologyInfo3Nodes(dmi.getConsistentHash().getCaches());

      TopologyAwareConsistentHash tach0 = (TopologyAwareConsistentHash) advancedCache(0).getDistributionManager().getConsistentHash();
      TopologyAwareConsistentHash tach1 = (TopologyAwareConsistentHash) advancedCache(1).getDistributionManager().getConsistentHash();
      assertEquals(tach0.getCaches(), tach1.getCaches());
      TopologyAwareConsistentHash tach2 = (TopologyAwareConsistentHash) advancedCache(2).getDistributionManager().getConsistentHash();
      assertEquals(tach0.getCaches(), tach2.getCaches());
   }

   @Test(dependsOnMethods = "testIsReplicated")
   public void testNodeLeaves() {
      TestingUtil.killCacheManagers(manager(1));
      TestingUtil.blockUntilViewsReceived(60000, false, cache(0), cache(2));
      TestingUtil.waitForRehashToComplete(cache(0), cache(2));

      DistributionManagerImpl dmi = (DistributionManagerImpl) advancedCache(0).getDistributionManager();
      assertTopologyInfo2Nodes(dmi.getConsistentHash().getCaches());
      dmi = (DistributionManagerImpl) advancedCache(2).getDistributionManager();
      assertTopologyInfo2Nodes(dmi.getConsistentHash().getCaches());

      TopologyAwareConsistentHash tach0 = (TopologyAwareConsistentHash) advancedCache(0).getDistributionManager().getConsistentHash();
      TopologyAwareConsistentHash tach2 = (TopologyAwareConsistentHash) advancedCache(2).getDistributionManager().getConsistentHash();
      assertEquals(tach0.getCaches(), tach2.getCaches());
   }

   private void assertTopologyInfo3Nodes(Set<Address> caches) {
      assertTopologyInfo2Nodes(caches);
      TopologyAwareAddress address1 = (TopologyAwareAddress) address(1);
      assertEquals(address1.getSiteId(), "s1");
      assertEquals(address1.getRackId(), "r1");
      assertEquals(address1.getMachineId(), "m1");
   }

   private void assertTopologyInfo2Nodes(Set<Address> caches) {
      TopologyAwareAddress address0 = (TopologyAwareAddress) address(0);
      assertEquals(address0.getSiteId(), "s0");
      assertEquals(address0.getRackId(), "r0");
      assertEquals(address0.getMachineId(), "m0");
      TopologyAwareAddress address2 = (TopologyAwareAddress) address(2);
      assertEquals(address2.getSiteId(), "s2");
      assertEquals(address2.getRackId(), "r2");
      assertEquals(address2.getMachineId(), "m2");
   }
}