package org.infinispan.client.hotrod;
import static org.infinispan.client.hotrod.test.HotRodClientTestingUtil.killRemoteCacheManager;
import static org.infinispan.client.hotrod.test.HotRodClientTestingUtil.killServers;
import static org.infinispan.server.hotrod.test.HotRodTestingUtil.hotRodCacheConfiguration;
import static org.testng.AssertJUnit.assertEquals;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.ArrayList;
import java.util.List;
import org.infinispan.Cache;
import org.infinispan.client.hotrod.impl.protocol.HotRodConstants;
import org.infinispan.client.hotrod.impl.transport.tcp.RoundRobinBalancingStrategy;
import org.infinispan.client.hotrod.impl.transport.tcp.TcpTransportFactory;
import org.infinispan.client.hotrod.test.HotRodClientTestingUtil;
import org.infinispan.client.hotrod.test.InternalRemoteCacheManager;
import org.infinispan.server.hotrod.HotRodServer;
import org.infinispan.test.MultipleCacheManagersTest;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import org.testng.annotations.AfterTest;
import org.testng.annotations.Test;
/**
* @author Mircea.Markus@jboss.com
* @since 4.1
*/
@Test(testName = "client.hotrod.RoundRobinBalancingIntegrationTest", groups="functional")
public class RoundRobinBalancingIntegrationTest extends MultipleCacheManagersTest {
private static final Log log = LogFactory.getLog(RoundRobinBalancingIntegrationTest.class);
Cache c1;
Cache c2;
Cache c3;
Cache c4;
HotRodServer hotRodServer1;
HotRodServer hotRodServer2;
HotRodServer hotRodServer3;
HotRodServer hotRodServer4;
RemoteCache<String, String> remoteCache;
private RemoteCacheManager remoteCacheManager;
@Override
protected void createCacheManagers() throws Throwable {
c1 = TestCacheManagerFactory.createCacheManager(hotRodCacheConfiguration()).getCache();
c2 = TestCacheManagerFactory.createCacheManager(hotRodCacheConfiguration()).getCache();
c3 = TestCacheManagerFactory.createCacheManager(hotRodCacheConfiguration()).getCache();
registerCacheManager(c1.getCacheManager(), c2.getCacheManager(), c3.getCacheManager());
hotRodServer1 = HotRodClientTestingUtil.startHotRodServer(c1.getCacheManager());
hotRodServer2 = HotRodClientTestingUtil.startHotRodServer(c2.getCacheManager());
hotRodServer3 = HotRodClientTestingUtil.startHotRodServer(c3.getCacheManager());
log.trace("Server 1 port: " + hotRodServer1.getPort());
log.trace("Server 2 port: " + hotRodServer2.getPort());
log.trace("Server 3 port: " + hotRodServer3.getPort());
String servers = HotRodClientTestingUtil.getServersString(hotRodServer1, hotRodServer2, hotRodServer3);
log.trace("Server list is: " + servers);
org.infinispan.client.hotrod.configuration.ConfigurationBuilder clientBuilder =
new org.infinispan.client.hotrod.configuration.ConfigurationBuilder();
clientBuilder.addServers(servers);
remoteCacheManager = new InternalRemoteCacheManager(clientBuilder.build());
remoteCache = remoteCacheManager.getCache();
}
@AfterTest
public void tearDown() {
killRemoteCacheManager(remoteCacheManager);
killServers(hotRodServer1, hotRodServer2, hotRodServer3, hotRodServer4);
}
public void testRoundRobinLoadBalancing() {
remoteCache.put("k1", "v1");
remoteCache.put("k2", "v2");
remoteCache.put("k3", "v3");
assertEquals(1, c1.size());
assertEquals(1, c2.size());
assertEquals(1, c3.size());
assertEquals("v1", remoteCache.get("k1"));
assertEquals("v2", remoteCache.get("k2"));
assertEquals("v3", remoteCache.get("k3"));
remoteCache.put("k4", "v1");
remoteCache.put("k5", "v2");
remoteCache.put("k6", "v3");
remoteCache.put("k7", "v1");
remoteCache.put("k8", "v2");
remoteCache.put("k9", "v3");
assertEquals(3, c1.size());
assertEquals(3, c2.size());
assertEquals(3, c3.size());
}
@Test(dependsOnMethods = "testRoundRobinLoadBalancing")
public void testAddNewHotrodServer() {
c4 = TestCacheManagerFactory.createCacheManager(
hotRodCacheConfiguration()).getCache();
hotRodServer4 = HotRodClientTestingUtil.startHotRodServer(c4.getCacheManager());
registerCacheManager(c4.getCacheManager());
List<SocketAddress> serverAddresses = new ArrayList<>();
serverAddresses.add(new InetSocketAddress("localhost", hotRodServer1.getPort()));
serverAddresses.add(new InetSocketAddress("localhost", hotRodServer2.getPort()));
serverAddresses.add(new InetSocketAddress("localhost", hotRodServer3.getPort()));
serverAddresses.add(new InetSocketAddress("localhost", hotRodServer4.getPort()));
RoundRobinBalancingStrategy balancer = getBalancer();
balancer.setServers(serverAddresses);
remoteCache.put("k1", "v1");
remoteCache.put("k2", "v2");
remoteCache.put("k3", "v3");
remoteCache.put("k4", "v4");
assertEquals(1, c1.size());
assertEquals(1, c2.size());
assertEquals(1, c3.size());
assertEquals(1, c4.size());
assertEquals("v1", remoteCache.get("k1"));
assertEquals("v2", remoteCache.get("k2"));
assertEquals("v3", remoteCache.get("k3"));
assertEquals("v4", remoteCache.get("k4"));
remoteCache.put("k5", "v2");
remoteCache.put("k6", "v3");
remoteCache.put("k7", "v1");
remoteCache.put("k8", "v2");
remoteCache.put("k9", "v3");
remoteCache.put("k10", "v3");
remoteCache.put("k11", "v3");
remoteCache.put("k12", "v3");
assertEquals(3, c1.size());
assertEquals(3, c2.size());
assertEquals(3, c3.size());
assertEquals(3, c4.size());
}
@Test(dependsOnMethods = "testAddNewHotrodServer")
public void testStopServer() {
remoteCache.put("k1", "v1");
remoteCache.put("k2", "v2");
remoteCache.put("k3", "v3");
remoteCache.put("k4", "v4");
assertEquals(1, c1.size());
assertEquals(1, c2.size());
assertEquals(1, c3.size());
assertEquals(1, c4.size());
assertEquals("v1", remoteCache.get("k1"));
assertEquals("v2", remoteCache.get("k2"));
assertEquals("v3", remoteCache.get("k3"));
assertEquals("v4", remoteCache.get("k4"));
hotRodServer4.stop();
try {
remoteCache.put("k5", "v1");
remoteCache.put("k6", "v2");
remoteCache.put("k7", "v3");
remoteCache.put("k8", "v4");
} catch (Exception e) {
assert false : "exception should not happen even if the balancer redirects to failed node at the beggining";
}
}
@Test(dependsOnMethods = "testStopServer")
public void testRemoveServers() {
List<SocketAddress> serverAddresses = new ArrayList<>();
serverAddresses.add(new InetSocketAddress("localhost", hotRodServer1.getPort()));
serverAddresses.add(new InetSocketAddress("localhost", hotRodServer2.getPort()));
RoundRobinBalancingStrategy balancer = getBalancer();
balancer.setServers(serverAddresses);
remoteCache.put("k1", "v1");
remoteCache.put("k2", "v2");
remoteCache.put("k3", "v3");
remoteCache.put("k4", "v4");
assertEquals(2, c1.size());
assertEquals(2, c2.size());
assertEquals(0, c3.size());
assertEquals(0, c4.size());
assertEquals("v1", remoteCache.get("k1"));
assertEquals("v2", remoteCache.get("k2"));
assertEquals("v3", remoteCache.get("k3"));
assertEquals("v4", remoteCache.get("k4"));
remoteCache.put("k5", "v2");
remoteCache.put("k6", "v3");
remoteCache.put("k7", "v1");
remoteCache.put("k8", "v2");
remoteCache.put("k9", "v3");
remoteCache.put("k10", "v3");
remoteCache.put("k11", "v3");
remoteCache.put("k12", "v3");
assertEquals(6, c1.size());
assertEquals(6, c2.size());
assertEquals(0, c3.size());
assertEquals(0, c4.size());
}
private RoundRobinBalancingStrategy getBalancer() {
TcpTransportFactory transportFactory = (TcpTransportFactory) ((InternalRemoteCacheManager) remoteCacheManager).getTransportFactory();
return (RoundRobinBalancingStrategy) transportFactory.getBalancer(HotRodConstants.DEFAULT_CACHE_NAME_BYTES);
}
}