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
|
/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2010 Oracle. All rights reserved.
*
* $Id: RMWLockingTest.java,v 1.9.2.2 2010/01/04 15:30:42 cwl Exp $
*/
package com.sleepycat.je.cleaner;
import java.io.File;
import java.io.IOException;
import junit.framework.TestCase;
import com.sleepycat.bind.tuple.IntegerBinding;
import com.sleepycat.je.CheckpointConfig;
import com.sleepycat.je.Database;
import com.sleepycat.je.DatabaseConfig;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.DbInternal;
import com.sleepycat.je.Environment;
import com.sleepycat.je.EnvironmentConfig;
import com.sleepycat.je.LockMode;
import com.sleepycat.je.OperationStatus;
import com.sleepycat.je.Transaction;
import com.sleepycat.je.log.FileManager;
import com.sleepycat.je.util.TestUtils;
/**
* Use LockMode.RMW and verify that the FileSummaryLNs accurately reflect only
* those LNs that have been made obsolete.
*/
public class RMWLockingTest extends TestCase {
private static final int NUM_RECS = 5;
private File envHome;
private Environment env;
private Database db;
private DatabaseEntry key;
private DatabaseEntry data;
public RMWLockingTest() {
envHome = new File(System.getProperty(TestUtils.DEST_DIR));
}
public void setUp()
throws IOException, DatabaseException {
TestUtils.removeLogFiles("Setup", envHome, false);
TestUtils.removeFiles("Setup", envHome, FileManager.DEL_SUFFIX);
}
public void tearDown()
throws IOException, DatabaseException {
try {
if (db != null) {
db.close();
}
if (env != null) {
env.close();
}
} catch (Throwable e) {
System.out.println("tearDown: " + e);
}
try {
TestUtils.removeLogFiles("tearDown", envHome, true);
TestUtils.removeFiles("tearDown", envHome, FileManager.DEL_SUFFIX);
} catch (Throwable e) {
System.out.println("tearDown: " + e);
}
db = null;
env = null;
envHome = null;
}
public void testBasic()
throws DatabaseException {
init();
insertRecords();
rmwModify();
UtilizationProfile up =
DbInternal.envGetEnvironmentImpl(env).getUtilizationProfile();
/*
* Checkpoint the environment to flush all utilization tracking
* information before verifying.
*/
CheckpointConfig ckptConfig = new CheckpointConfig();
ckptConfig.setForce(true);
env.checkpoint(ckptConfig);
assertTrue(up.verifyFileSummaryDatabase());
}
/**
* Tests that we can load a log file containing offsets that correspond to
* non-obsolete LNs. The bad log file was created using testBasic run
* against JE 2.0.54. It contains version 1 FSLNs, one of which has an
* offset which is not obsolete.
*/
public void testBadLog()
throws DatabaseException, IOException {
/* Copy a log file with bad offsets to log file zero. */
String resName = "rmw_bad_offsets.jdb";
TestUtils.loadLog(getClass(), resName, envHome);
/* Open the log we just copied. */
EnvironmentConfig envConfig = TestUtils.initEnvConfig();
envConfig.setAllowCreate(false);
envConfig.setReadOnly(true);
env = new Environment(envHome, envConfig);
/*
* Verify the UP of the bad log. Prior to adding the code in
* FileSummaryLN.postFetchInit that discards version 1 offsets, this
* assertion failed.
*/
UtilizationProfile up =
DbInternal.envGetEnvironmentImpl(env).getUtilizationProfile();
assertTrue(up.verifyFileSummaryDatabase());
env.close();
env = null;
}
private void init()
throws DatabaseException {
EnvironmentConfig envConfig = TestUtils.initEnvConfig();
envConfig.setAllowCreate(true);
envConfig.setTransactional(true);
env = new Environment(envHome, envConfig);
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setAllowCreate(true);
dbConfig.setTransactional(true);
db = env.openDatabase(null, "foo", dbConfig);
}
/* Insert records. */
private void insertRecords()
throws DatabaseException {
key = new DatabaseEntry();
data = new DatabaseEntry();
IntegerBinding.intToEntry(100, data);
for (int i = 0; i < NUM_RECS; i++) {
IntegerBinding.intToEntry(i, key);
assertEquals(OperationStatus.SUCCESS, db.put(null, key, data));
}
}
/* lock two records with RMW, only modify one. */
private void rmwModify()
throws DatabaseException {
Transaction txn = env.beginTransaction(null, null);
IntegerBinding.intToEntry(0, key);
assertEquals(OperationStatus.SUCCESS,
db.get(txn, key, data, LockMode.RMW));
IntegerBinding.intToEntry(1, key);
assertEquals(OperationStatus.SUCCESS,
db.get(txn, key, data, LockMode.RMW));
IntegerBinding.intToEntry(200, data);
assertEquals(OperationStatus.SUCCESS,
db.put(txn, key, data));
txn.commit();
}
}
|
