1 /*
2 * Copyright (c) 2010, 2012, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.net.sdp;
27
28 import java.io.IOException;
29 import java.io.FileDescriptor;
30 import java.security.AccessController;
31
32 import jdk.internal.misc.SharedSecrets;
33 import jdk.internal.misc.JavaIOFileDescriptorAccess;
34 import sun.security.action.GetPropertyAction;
35
36
37 /**
38 * This class defines methods for creating SDP sockets or "converting" existing
39 * file descriptors, referencing (unbound) TCP sockets, to SDP.
40 */
41
42 public final class SdpSupport {
43 private static final String os = GetPropertyAction.privilegedGetProperty("os.name");
44 private static final boolean isSupported = (os.equals("SunOS") || (os.equals("Linux")));
45 private static final JavaIOFileDescriptorAccess fdAccess =
46 SharedSecrets.getJavaIOFileDescriptorAccess();
47
48 private SdpSupport() { }
49
50 /**
51 * Creates a SDP socket, returning file descriptor referencing the socket.
52 */
53 public static FileDescriptor createSocket() throws IOException {
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1 /*
2 * Copyright (c) 2010, 2018, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.net.sdp;
27
28 import java.io.IOException;
29 import java.io.FileDescriptor;
30 import java.security.AccessController;
31
32 import jdk.internal.access.SharedSecrets;
33 import jdk.internal.access.JavaIOFileDescriptorAccess;
34 import sun.security.action.GetPropertyAction;
35
36
37 /**
38 * This class defines methods for creating SDP sockets or "converting" existing
39 * file descriptors, referencing (unbound) TCP sockets, to SDP.
40 */
41
42 public final class SdpSupport {
43 private static final String os = GetPropertyAction.privilegedGetProperty("os.name");
44 private static final boolean isSupported = (os.equals("SunOS") || (os.equals("Linux")));
45 private static final JavaIOFileDescriptorAccess fdAccess =
46 SharedSecrets.getJavaIOFileDescriptorAccess();
47
48 private SdpSupport() { }
49
50 /**
51 * Creates a SDP socket, returning file descriptor referencing the socket.
52 */
53 public static FileDescriptor createSocket() throws IOException {
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