48 import java.security.AccessController;

    48 import java.security.AccessController;

    49 import java.security.PrivilegedAction;

    49 import java.security.PrivilegedAction;

    50 import java.util.Enumeration;

    50 import java.util.Enumeration;

    51 

    51 

    52 import sun.net.ext.ExtendedSocketOptions;

    52 import sun.net.ext.ExtendedSocketOptions;

    53 import sun.security.action.GetPropertyAction;

    54 import sun.security.action.GetPropertyAction;

    54 

    55 

    55 public class Net {

    56 public class Net {

    56 

    57 

    57     private Net() { }

    58     private Net() { }

   460     static void bind(ProtocolFamily family, FileDescriptor fd,

   461     static void bind(ProtocolFamily family, FileDescriptor fd,

   461                      InetAddress addr, int port) throws IOException

   462                      InetAddress addr, int port) throws IOException

   462     {

   463     {

   463         boolean preferIPv6 = isIPv6Available() &&

   464         boolean preferIPv6 = isIPv6Available() &&

   464             (family != StandardProtocolFamily.INET);

   465             (family != StandardProtocolFamily.INET);

   465         bind0(fd, preferIPv6, exclusiveBind, addr, port);

   469         bind0(fd, preferIPv6, exclusiveBind, addr, port);

   466     }

   470     }

   467 

   471 

   468     private static native void bind0(FileDescriptor fd, boolean preferIPv6,

   472     private static native void bind0(FileDescriptor fd, boolean preferIPv6,

   469                                      boolean useExclBind, InetAddress addr,

   473                                      boolean useExclBind, InetAddress addr,

   479     }

   483     }

   480 

   484 

   481     static int connect(ProtocolFamily family, FileDescriptor fd, InetAddress remote, int remotePort)

   485     static int connect(ProtocolFamily family, FileDescriptor fd, InetAddress remote, int remotePort)

   482         throws IOException

   486         throws IOException

   483     {

   487     {

   484         boolean preferIPv6 = isIPv6Available() &&

   491         boolean preferIPv6 = isIPv6Available() &&

   485             (family != StandardProtocolFamily.INET);

   492             (family != StandardProtocolFamily.INET);

   486         return connect0(preferIPv6, fd, remote, remotePort);

   493         return connect0(preferIPv6, fd, remote, remotePort);

   487     }

   494     }

   488 

   495