1 /**
2 * Copyright 2003-2006 Greg Luck
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package net.sf.ehcache.distribution;
18
19 import junit.framework.TestCase;
20 import net.sf.ehcache.Cache;
21 import net.sf.ehcache.CacheManager;
22 import net.sf.ehcache.StopWatch;
23 import net.sf.ehcache.AbstractCacheTest;
24
25 import java.util.List;
26 import java.rmi.RemoteException;
27
28 import org.apache.commons.logging.LogFactory;
29 import org.apache.commons.logging.Log;
30
31 /**
32 * Multicast tests. These require special machine configuration.
33 * <p/>
34 * Running on a single machine, as these tests do, you need to add a route command so that two multiCast sockets
35 * can be added at the same time.
36 * <ol>
37 * <li>Mac OSX: <code>route add -net 224.0.0.0 -interface lo0</code>
38 * <li>Linux (from JGroups doco, untested): <code>route add -net 224.0.0.0 netmask 224.0.0.0 dev lo</code>
39 * </ol>
40 *
41 * @author Greg Luck
42 * @version $Id: MulticastRMIPeerProviderTest.java 51 2006-04-24 09:21:10Z gregluck $
43 */
44 public class MulticastRMIPeerProviderTest extends TestCase {
45
46 private static final Log LOG = LogFactory.getLog(MulticastRMIPeerProviderTest.class.getName());
47
48 /**
49 * Cache Manager 1
50 */
51 protected CacheManager manager1;
52 /**
53 * Cache Manager 2
54 */
55 protected CacheManager manager2;
56 /**
57 * Cache Manager 3
58 */
59 protected CacheManager manager3;
60
61 /**
62 * {@inheritDoc}
63 */
64 protected void setUp() throws Exception {
65 if (JVMUtil.isSingleRMIRegistryPerVM()) {
66 return;
67 }
68 manager1 = new CacheManager(AbstractCacheTest.TEST_CONFIG_DIR + "distribution/ehcache-distributed1.xml");
69 manager2 = new CacheManager(AbstractCacheTest.TEST_CONFIG_DIR + "distribution/ehcache-distributed2.xml");
70 manager3 = new CacheManager(AbstractCacheTest.TEST_CONFIG_DIR + "distribution/ehcache-distributed3.xml");
71
72
73 Thread.sleep(6000);
74 }
75
76 /**
77 * {@inheritDoc}
78 */
79 protected void tearDown() throws Exception {
80
81 if (JVMUtil.isSingleRMIRegistryPerVM()) {
82 return;
83 }
84
85 manager1.shutdown();
86 manager2.shutdown();
87 if (manager3 != null) {
88 manager3.shutdown();
89 }
90 }
91
92 /**
93 * test remote cache peers
94 */
95 public void testProviderFromCacheManager() throws InterruptedException {
96
97 if (JVMUtil.isSingleRMIRegistryPerVM()) {
98 return;
99 }
100
101 Cache m1sampleCache1 = manager1.getCache("sampleCache1");
102 Thread.sleep(2000);
103
104 List peerUrls = manager1.getCachePeerProvider().listRemoteCachePeers(m1sampleCache1);
105 assertEquals(expectedPeers(), peerUrls.size());
106
107 Cache m2sampleCache1 = manager2.getCache("sampleCache1");
108 assertFalse(m1sampleCache1.getGuid().equals(m2sampleCache1.getGuid()));
109
110 List peerUrls2 = manager2.getCachePeerProvider().listRemoteCachePeers(m2sampleCache1);
111 assertEquals(expectedPeers(), peerUrls2.size());
112 }
113
114 /**
115 * There are 3 in the cluster, so there will be two others
116 */
117 protected int expectedPeers() {
118 return 2;
119 }
120
121
122 /**
123 * Tests the speed of remotely looking up.
124 *
125 * @throws RemoteException
126 * @throws InterruptedException .19ms
127 * This seems to imply a maximum of 5000 per second best case. Not bad.
128 */
129 public void testRemoteGetName() throws RemoteException, InterruptedException {
130
131 if (JVMUtil.isSingleRMIRegistryPerVM()) {
132 return;
133 }
134
135 Cache m1sampleCache1 = manager1.getCache("sampleCache1");
136 Thread.sleep(2000);
137 List peerUrls = manager1.getCachePeerProvider().listRemoteCachePeers(m1sampleCache1);
138
139 CachePeer m1SampleCach1Peer = (CachePeer) peerUrls.get(0);
140
141 for (int i = 0; i < 100; i++) {
142 m1SampleCach1Peer.getName();
143 }
144 Thread.sleep(2000);
145
146 StopWatch stopWatch = new StopWatch();
147 for (int i = 0; i < 1000; i++) {
148 m1SampleCach1Peer.getName();
149 }
150 long time = stopWatch.getElapsedTime();
151
152 LOG.info("Remote name lookup time in ms: " + time / 1000f);
153
154 }
155
156 }