1 /* 2 * Copyright (c) 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 package jdk.net; 26 27 import java.net.SocketException; 28 import java.security.AccessController; 29 import java.security.PrivilegedAction; 30 import jdk.net.ExtendedSocketOptions.PlatformSocketOptions; 31 32 class MacOSXSocketOptions extends PlatformSocketOptions { 33 34 public MacOSXSocketOptions() { 35 } 36 37 @Override 38 boolean keepAliveOptionsSupported() { 39 return keepAliveOptionsSupported0(); 40 } 41 42 @Override 43 void setTcpkeepAliveProbes(int fd, final int value) throws SocketException { 44 setTcpkeepAliveProbes0(fd, value); 45 } 46 47 @Override 48 void setTcpKeepAliveTime(int fd, final int value) throws SocketException { 49 setTcpKeepAliveTime0(fd, value); 50 } 51 52 @Override 53 void setTcpKeepAliveIntvl(int fd, final int value) throws SocketException { 54 setTcpKeepAliveIntvl0(fd, value); 55 } 56 57 @Override 58 int getTcpkeepAliveProbes(int fd) throws SocketException { 59 return getTcpkeepAliveProbes0(fd); 60 } 61 62 @Override 63 int getTcpKeepAliveTime(int fd) throws SocketException { 64 return getTcpKeepAliveTime0(fd); 65 } 66 67 @Override 68 int getTcpKeepAliveIntvl(int fd) throws SocketException { 69 return getTcpKeepAliveIntvl0(fd); 70 } 71 72 private static native void setTcpkeepAliveProbes0(int fd, int value) throws SocketException; 73 private static native void setTcpKeepAliveTime0(int fd, int value) throws SocketException; 74 private static native void setTcpKeepAliveIntvl0(int fd, int value) throws SocketException; 75 private static native int getTcpkeepAliveProbes0(int fd) throws SocketException; 76 private static native int getTcpKeepAliveTime0(int fd) throws SocketException; 77 private static native int getTcpKeepAliveIntvl0(int fd) throws SocketException; 78 private static native boolean keepAliveOptionsSupported0(); 79 static { 80 AccessController.doPrivileged((PrivilegedAction<Void>) () -> { 81 System.loadLibrary("extnet"); 82 return null; 83 }); 84 } 85 }