1 /*
   2  * Copyright (c) 2018, 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
  23  * questions.
  24  */
  25 package jdk.net;
  26 
  27 import java.net.SocketException;
  28 import jdk.net.ExtendedSocketOptions.PlatformSocketOptions;
  29 
  30 class MacOSXSocketOptions extends PlatformSocketOptions {
  31 
  32     public MacOSXSocketOptions() {
  33     }
  34 
  35     @Override
  36     boolean keepAliveOptionsSupported() {
  37         return keepAliveOptionsSupported0();
  38     }
  39 
  40     @Override
  41     void setTcpkeepAliveProbes(int fd, final int value) throws SocketException {
  42         setTcpkeepAliveProbes0(fd, value);
  43     }
  44 
  45     @Override
  46     void setTcpKeepAliveTime(int fd, final int value) throws SocketException {
  47         setTcpKeepAliveTime0(fd, value);
  48     }
  49 
  50     @Override
  51     void setTcpKeepAliveIntvl(int fd, final int value) throws SocketException {
  52         setTcpKeepAliveIntvl0(fd, value);
  53     }
  54 
  55     @Override
  56     int getTcpkeepAliveProbes(int fd) throws SocketException {
  57         return getTcpkeepAliveProbes0(fd);
  58     }
  59 
  60     @Override
  61     int getTcpKeepAliveTime(int fd) throws SocketException {
  62         return getTcpKeepAliveTime0(fd);
  63     }
  64 
  65     @Override
  66     int getTcpKeepAliveIntvl(int fd) throws SocketException {
  67         return getTcpKeepAliveIntvl0(fd);
  68     }
  69 
  70     private static native void setTcpkeepAliveProbes0(int fd, int value) throws SocketException;
  71     private static native void setTcpKeepAliveTime0(int fd, int value) throws SocketException;
  72     private static native void setTcpKeepAliveIntvl0(int fd, int value) throws SocketException;
  73     private static native int getTcpkeepAliveProbes0(int fd) throws SocketException;
  74     private static native int getTcpKeepAliveTime0(int fd) throws SocketException;
  75     private static native int getTcpKeepAliveIntvl0(int fd) throws SocketException;
  76     private static native boolean keepAliveOptionsSupported0();
  77     static {
  78         jdk.internal.access.SharedSecrets.getJavaLangAccess().loadLibrary("extnet");
  79     }
  80 }