/
ClientOwnershipTest.java
315 lines (264 loc) · 13.2 KB
/
ClientOwnershipTest.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
/*
* Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.client;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.impl.ClientEngineImpl;
import com.hazelcast.client.impl.operations.ClientReAuthOperation;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IExecutorService;
import com.hazelcast.nio.Address;
import com.hazelcast.spi.impl.operationservice.InternalOperationService;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicReference;
import static com.hazelcast.instance.TestUtil.getHazelcastInstanceImpl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientOwnershipTest extends HazelcastTestSupport {
private final TestHazelcastFactory hazelcastFactory = new TestHazelcastFactory();
@After
public void cleanup() {
hazelcastFactory.terminateAll();
}
@Test
public void test_clientOwnedByMember() {
HazelcastInstance instance = hazelcastFactory.newHazelcastInstance();
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
String instanceUuid = instance.getLocalEndpoint().getUuid();
String clientUuid = client.getLocalEndpoint().getUuid();
ClientEngineImpl clientEngine = getClientEngineImpl(instance);
assertEquals(instanceUuid, clientEngine.getOwnerUuid(clientUuid));
assertClientEndpointExists(clientEngine, clientUuid, true);
}
@Test
public void test_clientOwnedInfoPropagatedToAllMembers() {
HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance();
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance();
final String instanceUuid = instance1.getLocalEndpoint().getUuid();
final String clientUuid = client.getLocalEndpoint().getUuid();
final ClientEngineImpl clientEngine1 = getClientEngineImpl(instance1);
final ClientEngineImpl clientEngine2 = getClientEngineImpl(instance2);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(instanceUuid, clientEngine1.getOwnerUuid(clientUuid));
assertEquals(instanceUuid, clientEngine2.getOwnerUuid(clientUuid));
assertClientEndpointExists(clientEngine1, clientUuid, true);
assertClientEndpointExists(clientEngine2, clientUuid, false);
}
});
}
@Test
public void test_clientOwnedBySecondMember_afterFirstOwnerDies() {
HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance();
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance();
instance1.shutdown();
final String instance2Uuid = instance2.getLocalEndpoint().getUuid();
final String clientUuid = client.getLocalEndpoint().getUuid();
final ClientEngineImpl clientEngine = getClientEngineImpl(instance2);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(instance2Uuid, clientEngine.getOwnerUuid(clientUuid));
assertClientEndpointExists(clientEngine, clientUuid, true);
}
});
}
@Test
public void test_ClientReAuthOperation_retry() throws ExecutionException, InterruptedException {
HazelcastInstance instance = hazelcastFactory.newHazelcastInstance();
InternalOperationService operationService = getHazelcastInstanceImpl(instance).node.nodeEngine.getOperationService();
Address address = instance.getCluster().getLocalMember().getAddress();
ClientReAuthOperation reAuthOperation = new ClientReAuthOperation("clientUUId", 1);
Future<Object> future = operationService.invokeOnTarget(ClientEngineImpl.SERVICE_NAME, reAuthOperation, address);
future.get();
//retrying ClientReAuthOperation with same parameters, should not throw exception
ClientReAuthOperation reAuthOperation2 = new ClientReAuthOperation("clientUUId", 1);
Future<Object> future2 = operationService.invokeOnTarget(ClientEngineImpl.SERVICE_NAME, reAuthOperation2, address);
future2.get();
}
@Test
public void test_clientOwnedByAlreadyConnectedSecondMember_afterFirstOwnerDies() {
final HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance();
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
final HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance();
// make sure client connected to all nodes
IExecutorService exec = client.getExecutorService("exec");
exec.submitToAllMembers(new DummySerializableCallable());
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(1, instance1.getClientService().getConnectedClients().size());
assertEquals(1, instance2.getClientService().getConnectedClients().size());
}
});
instance1.shutdown();
final String instance2Uuid = instance2.getLocalEndpoint().getUuid();
final String clientUuid = client.getLocalEndpoint().getUuid();
final ClientEngineImpl clientEngine = getClientEngineImpl(instance2);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(instance2Uuid, clientEngine.getOwnerUuid(clientUuid));
assertClientEndpointExists(clientEngine, clientUuid, true);
}
});
}
private void assertClientEndpointExists(ClientEngineImpl clientEngine, String clientUuid, boolean asOwner) {
Set<ClientEndpoint> endpoints = clientEngine.getEndpointManager().getEndpoints(clientUuid);
assertEquals(1, endpoints.size());
ClientEndpoint endpoint = endpoints.iterator().next();
if (asOwner) {
assertTrue(endpoint.isOwnerConnection());
} else {
assertTrue(!endpoint.isOwnerConnection());
}
}
@Test
public void test_ownerShipRemoved_afterClientDies() {
HazelcastInstance instance1 = hazelcastFactory.newHazelcastInstance();
HazelcastInstance client = hazelcastFactory.newHazelcastClient();
HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance();
final String instanceUuid = instance1.getLocalEndpoint().getUuid();
final String clientUuid = client.getLocalEndpoint().getUuid();
final ClientEngineImpl clientEngine1 = getClientEngineImpl(instance1);
final ClientEngineImpl clientEngine2 = getClientEngineImpl(instance2);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(instanceUuid, clientEngine1.getOwnerUuid(clientUuid));
assertEquals(instanceUuid, clientEngine2.getOwnerUuid(clientUuid));
}
});
client.shutdown();
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertNull(clientEngine1.getOwnerUuid(clientUuid));
assertNull(clientEngine2.getOwnerUuid(clientUuid));
assertEquals(0, clientEngine1.getEndpointManager().getEndpoints(clientUuid).size());
assertEquals(0, clientEngine2.getEndpointManager().getEndpoints(clientUuid).size());
}
});
}
@Test
public void test_ownerShip_afterClusterRestart() {
HazelcastInstance instance = hazelcastFactory.newHazelcastInstance();
ClientConfig clientConfig = new ClientConfig();
clientConfig.getNetworkConfig().setConnectionAttemptLimit(Integer.MAX_VALUE);
final HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
instance.shutdown();
final HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance();
// wait for client to connect to node
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertClusterSize(1, client);
assertClusterSize(1, instance2);
}
});
final String instanceUuid = instance2.getLocalEndpoint().getUuid();
final ClientEngineImpl clientEngine2 = getClientEngineImpl(instance2);
final String clientUuid = client.getLocalEndpoint().getUuid();
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(instanceUuid, clientEngine2.getOwnerUuid(clientUuid));
assertClientEndpointExists(clientEngine2, clientUuid, true);
}
});
}
@Test
public void test_ownerShip_whenSmartClientAndOwnerDiesTogether() {
test_ownerShip_whenClientAndOwnerDiesTogether(true);
}
@Test
public void test_ownerShip_whenNonSmartClientAndOwnerDiesTogether() {
test_ownerShip_whenClientAndOwnerDiesTogether(false);
}
private void test_ownerShip_whenClientAndOwnerDiesTogether(boolean smart) {
final HazelcastInstance instance = hazelcastFactory.newHazelcastInstance();
ClientConfig config = new ClientConfig();
config.getNetworkConfig().setSmartRouting(smart);
final HazelcastInstance client = hazelcastFactory.newHazelcastClient(config);
final String clientUuid = client.getLocalEndpoint().getUuid();
final HazelcastInstance instance2 = hazelcastFactory.newHazelcastInstance();
client.getLifecycleService().terminate();
instance.getLifecycleService().terminate();
HazelcastInstance instance3 = hazelcastFactory.newHazelcastInstance();
final ClientEngineImpl clientEngine3 = getClientEngineImpl(instance3);
final ClientEngineImpl clientEngine2 = getClientEngineImpl(instance2);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertNull(clientEngine2.getOwnerUuid(clientUuid));
assertNull(clientEngine3.getOwnerUuid(clientUuid));
assertEquals(0, clientEngine2.getEndpointManager().getEndpoints(clientUuid).size());
assertEquals(0, clientEngine3.getEndpointManager().getEndpoints(clientUuid).size());
}
});
}
@Test
public void test_ownerShipCarried_inJoin() throws InterruptedException {
hazelcastFactory.newHazelcastInstance();
final AtomicReference<List<String>> clientUUID = new AtomicReference<List<String>>();
final int clientCount = 20;
new Thread(new Runnable() {
@Override
public void run() {
List<String> list = new ArrayList<String>();
for (int i = 0; i < clientCount; i++) {
ClientConfig config = new ClientConfig();
config.getNetworkConfig().setConnectionTimeout(30000);
HazelcastInstance client = hazelcastFactory.newHazelcastClient(config);
list.add(client.getLocalEndpoint().getUuid());
}
clientUUID.set(list);
}
}).start();
final HazelcastInstance instance = hazelcastFactory.newHazelcastInstance();
final ClientEngineImpl clientEngineImpl = getClientEngineImpl(instance);
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
List<String> list = clientUUID.get();
assertNotNull(list);
for (String clientUuid : list) {
assertNotNull(clientUuid + " " + list.size(), clientEngineImpl.getOwnerUuid(clientUuid));
}
}
});
}
}