1 /*
2 * Copyright (c) 1996, 2019, 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
51 /* timeout value for receive() */
52 int timeout = 0;
53 boolean connected = false;
54 private int trafficClass = 0;
55 protected InetAddress connectedAddress = null;
56 private int connectedPort = -1;
57 private final boolean isMulticast;
58
59 private static final String os =
60 GetPropertyAction.privilegedGetProperty("os.name");
61
62 /**
63 * flag set if the native connect() call not to be used
64 */
65 private static final boolean connectDisabled = os.contains("OS X");
66
67 /**
68 * Load net library into runtime.
69 */
70 static {
71 jdk.internal.loader.BootLoader.loadLibrary("net");
72 }
73
74 private static volatile boolean checkedReusePort;
75 private static volatile boolean isReusePortAvailable;
76
77 /**
78 * Tells whether SO_REUSEPORT is supported.
79 */
80 static boolean isReusePortAvailable() {
81 if (!checkedReusePort) {
82 isReusePortAvailable = isReusePortAvailable0();
83 checkedReusePort = true;
84 }
85 return isReusePortAvailable;
86 }
87
88 AbstractPlainDatagramSocketImpl(boolean isMulticast) {
89 this.isMulticast = isMulticast;
90 }
91
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1 /*
2 * Copyright (c) 1996, 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. 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
51 /* timeout value for receive() */
52 int timeout = 0;
53 boolean connected = false;
54 private int trafficClass = 0;
55 protected InetAddress connectedAddress = null;
56 private int connectedPort = -1;
57 private final boolean isMulticast;
58
59 private static final String os =
60 GetPropertyAction.privilegedGetProperty("os.name");
61
62 /**
63 * flag set if the native connect() call not to be used
64 */
65 private static final boolean connectDisabled = os.contains("OS X");
66
67 /**
68 * Load net library into runtime.
69 */
70 static {
71 sun.security.action.LoadLibraryAction.privilegedLoadLibrary("net");
72 }
73
74 private static volatile boolean checkedReusePort;
75 private static volatile boolean isReusePortAvailable;
76
77 /**
78 * Tells whether SO_REUSEPORT is supported.
79 */
80 static boolean isReusePortAvailable() {
81 if (!checkedReusePort) {
82 isReusePortAvailable = isReusePortAvailable0();
83 checkedReusePort = true;
84 }
85 return isReusePortAvailable;
86 }
87
88 AbstractPlainDatagramSocketImpl(boolean isMulticast) {
89 this.isMulticast = isMulticast;
90 }
91
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