1 /*
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 8164900
27 * @summary Test for ExtendedOpenOption.DIRECT flag
28 * @requires (os.family == "linux" | os.family == "solaris"
29 * | os.family == "aix")
30 * @library /test/lib
31 * @build jdk.test.lib.Platform
32 * @run main/native DirectIOTest
33 */
34
35 import java.io.*;
36 import java.nio.ByteBuffer;
37 import java.nio.CharBuffer;
38 import java.nio.channels.*;
39 import java.nio.channels.FileChannel;
40 import java.nio.file.Paths;
41 import java.nio.file.Path;
42 import java.nio.file.Files;
43 import jdk.test.lib.Platform;
44 import java.nio.file.FileStore;
45 import java.nio.file.StandardOpenOption;
46 import com.sun.nio.file.ExtendedOpenOption;
47
48 public class DirectIOTest {
49
63 fc.write(src);
64 }
65 }
66
67 private static void testRead(Path p) throws Exception {
68 try (FileChannel fc = FileChannel.open(p, ExtendedOpenOption.DIRECT)) {
69 FileStore fs = Files.getFileStore(p);
70 int alignment = (int)fs.getBlockSize();
71 ByteBuffer dest = ByteBuffer.allocateDirect(SIZE + alignment - 1)
72 .alignedSlice(alignment);
73 fc.read(dest);
74 }
75 }
76
77 public static Path createTempFile() throws IOException {
78 return Files.createTempFile(
79 Paths.get(System.getProperty("test.dir", ".")), "test", null);
80 }
81
82 public static boolean isDirectIOSupportedByFS(Path p) throws Exception {
83 boolean supported = true;
84 if (Platform.isSolaris()) {
85 String fsType = Files.getFileStore(p).type();
86 if (!fsType.equals("nfs") && !fsType.equals("ufs")) {
87 // print a message and return without failing
88 System.out.format("Skipping test: file system type %s of "
89 + "FileStore of %s is neither nfs nor ufs.%n", fsType, p);
90 supported = false;
91 }
92 }
93 return supported;
94 }
95
96 private static boolean isFileInCache(Path p) {
97 String path = p.toString();
98 return isFileInCache0(SIZE, path);
99 }
100
101 private static native boolean isFileInCache0(int size, String path);
102
103 public static void main(String[] args) throws Exception {
104 Path p = createTempFile();
105
106 if (!isDirectIOSupportedByFS(p)) {
107 Files.delete(p);
108 return;
109 }
110
111 System.loadLibrary("DirectIO");
112
113 try {
|
1 /*
2 * Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 8164900
27 * @summary Test for ExtendedOpenOption.DIRECT flag
28 * @requires (os.family == "linux" | os.family == "aix")
29 * @library /test/lib
30 * @build jdk.test.lib.Platform
31 * @run main/native DirectIOTest
32 */
33
34 import java.io.*;
35 import java.nio.ByteBuffer;
36 import java.nio.CharBuffer;
37 import java.nio.channels.*;
38 import java.nio.channels.FileChannel;
39 import java.nio.file.Paths;
40 import java.nio.file.Path;
41 import java.nio.file.Files;
42 import jdk.test.lib.Platform;
43 import java.nio.file.FileStore;
44 import java.nio.file.StandardOpenOption;
45 import com.sun.nio.file.ExtendedOpenOption;
46
47 public class DirectIOTest {
48
62 fc.write(src);
63 }
64 }
65
66 private static void testRead(Path p) throws Exception {
67 try (FileChannel fc = FileChannel.open(p, ExtendedOpenOption.DIRECT)) {
68 FileStore fs = Files.getFileStore(p);
69 int alignment = (int)fs.getBlockSize();
70 ByteBuffer dest = ByteBuffer.allocateDirect(SIZE + alignment - 1)
71 .alignedSlice(alignment);
72 fc.read(dest);
73 }
74 }
75
76 public static Path createTempFile() throws IOException {
77 return Files.createTempFile(
78 Paths.get(System.getProperty("test.dir", ".")), "test", null);
79 }
80
81 public static boolean isDirectIOSupportedByFS(Path p) throws Exception {
82 return true;
83 }
84
85 private static boolean isFileInCache(Path p) {
86 String path = p.toString();
87 return isFileInCache0(SIZE, path);
88 }
89
90 private static native boolean isFileInCache0(int size, String path);
91
92 public static void main(String[] args) throws Exception {
93 Path p = createTempFile();
94
95 if (!isDirectIOSupportedByFS(p)) {
96 Files.delete(p);
97 return;
98 }
99
100 System.loadLibrary("DirectIO");
101
102 try {
|