JDK 11 java.base.jmod - Base Module

JDK 11 java.base.jmod is the JMOD file for JDK 11 Base module.

JDK 11 Base module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.base.jmod.

JDK 11 Base module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Base module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.base.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

java/net/Inet6AddressImpl.java

/*
 * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
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 *
 */
package java.net;

import java.io.IOException;
import static java.net.InetAddress.PREFER_IPV6_VALUE;
import static java.net.InetAddress.PREFER_SYSTEM_VALUE;

/*
 * Package private implementation of InetAddressImpl for dual
 * IPv4/IPv6 stack.
 * <p>
 * If InetAddress.preferIPv6Address is true then anyLocalAddress(),
 * loopbackAddress(), and localHost() will return IPv6 addresses,
 * otherwise IPv4 addresses.
 *
 * @since 1.4
 */
class Inet6AddressImpl implements InetAddressImpl {

    public native String getLocalHostName() throws UnknownHostException;

    public native InetAddress[] lookupAllHostAddr(String hostname)
        throws UnknownHostException;

    public native String getHostByAddr(byte[] addr) throws UnknownHostException;

    private native boolean isReachable0(byte[] addr, int scope, int timeout,
                                        byte[] inf, int ttl, int if_scope)
        throws IOException;

    public boolean isReachable(InetAddress addr, int timeout,
                               NetworkInterface netif, int ttl)
        throws IOException
    {
        byte[] ifaddr = null;
        int scope = -1;
        int netif_scope = -1;
        if (netif != null) {
            /*
             * Let's make sure we bind to an address of the proper family.
             * Which means same family as addr because at this point it could
             * be either an IPv6 address or an IPv4 address (case of a dual
             * stack system).
             */
            java.util.Enumeration<InetAddress> it = netif.getInetAddresses();
            InetAddress inetaddr = null;
            while (it.hasMoreElements()) {
                inetaddr = it.nextElement();
                if (inetaddr.getClass().isInstance(addr)) {
                    ifaddr = inetaddr.getAddress();
                    if (inetaddr instanceof Inet6Address) {
                        netif_scope = ((Inet6Address) inetaddr).getScopeId();
                    }
                    break;
                }
            }
            if (ifaddr == null) {
                // Interface doesn't support the address family of
                // the destination
                return false;
            }
        }
        if (addr instanceof Inet6Address)
            scope = ((Inet6Address) addr).getScopeId();
        return isReachable0(addr.getAddress(), scope, timeout, ifaddr, ttl, netif_scope);
    }

    public synchronized InetAddress anyLocalAddress() {
        if (anyLocalAddress == null) {
            if (InetAddress.preferIPv6Address == PREFER_IPV6_VALUE ||
                InetAddress.preferIPv6Address == PREFER_SYSTEM_VALUE) {
                anyLocalAddress = new Inet6Address();
                anyLocalAddress.holder().hostName = "::";
            } else {
                anyLocalAddress = (new Inet4AddressImpl()).anyLocalAddress();
            }
        }
        return anyLocalAddress;
    }

    public synchronized InetAddress loopbackAddress() {
        if (loopbackAddress == null) {
             if (InetAddress.preferIPv6Address == PREFER_IPV6_VALUE ||
                 InetAddress.preferIPv6Address == PREFER_SYSTEM_VALUE) {
                 byte[] loopback =
                        {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
                 loopbackAddress = new Inet6Address("localhost", loopback);
             } else {
                loopbackAddress = (new Inet4AddressImpl()).loopbackAddress();
             }
        }
        return loopbackAddress;
    }

    private InetAddress anyLocalAddress;
    private InetAddress loopbackAddress;
}

java/net/Inet6AddressImpl.java

 

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