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Date:      Sat, 28 Jul 2007 09:18:35 +1000
From:      Peter Kostouros <kpeter@melbpc.org.au>
To:        freebsd-emulation@FreeBSD.org
Subject:   re: [PATCH]: linux ioctls not implemented - advice?
Message-ID:  <46AA7D4B.2000202@melbpc.org.au>
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Hi

I applied the patch on a recent current (27JUL2007) but unfortunately I 
still see the ioctl is not implemented message on the console.

A simple java application that identifies the problem is:

package hell.from.baron.test;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

public class TestUtil {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        try {
            String[] ips = TestUtil.getHostAddresses();
       
            for (int i = 0; i < ips.length; i++)                         
                   
                System.out.println("IP[" + Integer.toString(i) + "]" + " 
: " + ips[i]);                           
        }
        catch (Exception ex) {
            ex.printStackTrace();
        }
    }
      
    public static String[] getHostAddresses() throws Exception {
        List<String> hostIps = new ArrayList<String>();       
        Enumeration<NetworkInterface> nifs = 
NetworkInterface.getNetworkInterfaces();               
        while (nifs.hasMoreElements()) {
            NetworkInterface nif = (NetworkInterface)nifs.nextElement();
            Enumeration<InetAddress> ips = 
nif.getInetAddresses();           
            while (ips.hasMoreElements()) {
                InetAddress ip = (InetAddress)ips.nextElement();
                hostIps.add(ip.getHostAddress());
            }
        }
       
        return (String[])hostIps.toArray(new String[0]);
    }
}   

Running this application under (Linux) Java SE Runtime Environment 
(build 1.6.0_02-b05) I get the following output:

java.net.SocketException: Cannot assign requested address
    at java.net.NetworkInterface.getAll(Native Method)
    at 
java.net.NetworkInterface.getNetworkInterfaces(NetworkInterface.java:281)
    at hell.from.baron.test.TestUtil.getHostAddresses(TestUtil.java:29)
    at hell.from.baron.test.TestUtil.main(TestUtil.java:17)

and on the console

linux: pid 1497 (java): ioctl fd=5, cmd=0x8933 ('\M^I',51) is not 
implemented

whereas under Java 2 Runtime Environment (build 
1.5.0_11-p5_15_jun_2007_15_10) I get:

IP[0] : 127.0.0.1
IP[1] : 192.168.0.2

I grep'ed through the JDK source code and found SIOCGIFINDEX referenced 
in file jdk/j2se/src/solaris/native/java/net/NetworkInterface.c. I am 
trying to locate where the error is raised to provide further 
information, but thus far have been unsuccessful.

Note I am running with compat.linux.osrelease=2.4.2.

-- 

Regards

Peter

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