| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.internal.client.thin; |
| |
| import java.util.Arrays; |
| import org.apache.ignite.client.ClientCache; |
| import org.apache.ignite.internal.processors.cache.IgniteInternalCache; |
| import org.apache.ignite.internal.processors.odbc.ClientListenerProcessor; |
| import org.apache.ignite.mxbean.ClientProcessorMXBean; |
| import org.junit.Test; |
| |
| /** |
| * Test partition awareness of thin client on unstable topology. |
| */ |
| public class ThinClientPartitionAwarenessUnstableTopologyTest extends ThinClientAbstractPartitionAwarenessTest { |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| super.afterTest(); |
| |
| stopAllGrids(); |
| } |
| |
| /** |
| * Test that join of the new node is detected by the client and affects partition awareness. |
| */ |
| @Test |
| public void testPartitionAwarenessOnNodeJoin() throws Exception { |
| startGrids(3); |
| |
| awaitPartitionMapExchange(); |
| |
| initClient(getClientConfiguration(1, 2, 3), 1, 2); |
| |
| // Test partition awareness before node join. |
| testPartitionAwareness(true); |
| |
| assertNull(channels[3]); |
| |
| startGrid(3); |
| |
| awaitPartitionMapExchange(); |
| |
| // Send non-affinity request to detect topology change. |
| ClientCache<Object, Object> cache = client.getOrCreateCache(PART_CACHE_NAME); |
| |
| awaitChannelsInit(3); |
| |
| assertOpOnChannel(dfltCh, ClientOperation.CACHE_GET_OR_CREATE_WITH_NAME); |
| |
| Integer key = primaryKey(grid(3).cache(PART_CACHE_NAME)); |
| |
| assertNotNull("Not found key for node 3", key); |
| |
| cache.put(key, 0); |
| |
| // Cache partitions are requested from default channel, since it's first (and currently the only) channel |
| // which detects new topology. |
| assertOpOnChannel(dfltCh, ClientOperation.CACHE_PARTITIONS); |
| |
| assertOpOnChannel(channels[3], ClientOperation.CACHE_PUT); |
| |
| // Test partition awareness after node join. |
| testPartitionAwareness(false); |
| } |
| |
| /** |
| * Test that node left event affects partition awareness. |
| */ |
| @Test |
| public void testPartitionAwarenessOnNodeLeft() throws Exception { |
| startGrids(4); |
| |
| awaitPartitionMapExchange(); |
| |
| initClient(getClientConfiguration(1, 2, 3), 1, 2, 3); |
| |
| // Test partition awareness before node left. |
| testPartitionAwareness(true); |
| |
| stopGrid(3); |
| |
| channels[3] = null; |
| |
| awaitPartitionMapExchange(); |
| |
| // Next request will also detect topology change. |
| initDefaultChannel(); |
| |
| // Test partition awareness after node join. |
| testPartitionAwareness(true); |
| } |
| |
| /** |
| * Test connection restore to affinity nodes. |
| */ |
| @Test |
| public void testConnectionLoss() throws Exception { |
| startGrids(2); |
| |
| awaitPartitionMapExchange(); |
| |
| initClient(getClientConfiguration(0, 1), 0, 1); |
| |
| // Test partition awareness before connection to node lost. |
| testPartitionAwareness(true); |
| |
| // Choose node to disconnect (not default node). |
| int disconnectNodeIdx = dfltCh == channels[0] ? 1 : 0; |
| |
| // Drop all thin connections from the node. |
| getMxBean(grid(disconnectNodeIdx).name(), "Clients", |
| ClientListenerProcessor.class, ClientProcessorMXBean.class).dropAllConnections(); |
| |
| channels[disconnectNodeIdx] = null; |
| |
| // Send request to disconnected node. |
| ClientCache<Object, Object> cache = client.cache(PART_CACHE_NAME); |
| |
| Integer key = primaryKey(grid(disconnectNodeIdx).cache(PART_CACHE_NAME)); |
| |
| assertNotNull("Not found key for node " + disconnectNodeIdx, key); |
| |
| cache.put(key, 0); |
| |
| // Request goes to default channel, since affinity node is disconnected. |
| assertOpOnChannel(dfltCh, ClientOperation.CACHE_PUT); |
| |
| cache.put(key, 0); |
| |
| // Connection to disconnected node should be restored after retry. |
| assertOpOnChannel(channels[disconnectNodeIdx], ClientOperation.CACHE_PUT); |
| |
| // Test partition awareness. |
| testPartitionAwareness(false); |
| } |
| |
| /** |
| * Test that partition awareness works when reconnecting to the new cluster (with lower topology version) |
| */ |
| @Test |
| public void testPartitionAwarenessOnClusterRestart() throws Exception { |
| startGrids(3); |
| |
| awaitPartitionMapExchange(); |
| |
| initClient(getClientConfiguration(0, 1, 2), 0, 1, 2); |
| |
| // Test partition awareness before cluster restart. |
| testPartitionAwareness(true); |
| |
| stopAllGrids(); |
| |
| Arrays.fill(channels, null); |
| |
| // Start 2 grids, so topology version of the new cluster will be less then old cluster. |
| startGrids(2); |
| |
| awaitPartitionMapExchange(); |
| |
| // Send any request to failover. |
| client.cache(REPL_CACHE_NAME).put(0, 0); |
| |
| initDefaultChannel(); |
| |
| awaitChannelsInit(0, 1); |
| |
| testPartitionAwareness(true); |
| } |
| |
| /** |
| * Checks that each request goes to right node. |
| * |
| * @param partReq Next operation should request partitions map. |
| */ |
| private void testPartitionAwareness(boolean partReq) { |
| ClientCache<Object, Object> clientCache = client.cache(PART_CACHE_NAME); |
| IgniteInternalCache<Object, Object> igniteCache = grid(0).context().cache().cache(PART_CACHE_NAME); |
| |
| for (int i = 0; i < KEY_CNT; i++) { |
| TestTcpClientChannel opCh = affinityChannel(i, igniteCache); |
| |
| clientCache.put(i, i); |
| |
| if (partReq) { |
| assertOpOnChannel(dfltCh, ClientOperation.CACHE_PARTITIONS); |
| |
| partReq = false; |
| } |
| |
| assertOpOnChannel(opCh, ClientOperation.CACHE_PUT); |
| } |
| } |
| } |