/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, only version 3 of the License.
*
*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Please contact Eucalyptus Systems, Inc., 130 Castilian
* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
* if you need additional information or have any questions.
*
* This file may incorporate work covered under the following copyright and
* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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*******************************************************************************/
/*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.util;
import java.io.IOException;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.InterfaceAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import org.apache.log4j.Logger;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
public class NetworkUtil {
private static Logger LOG = Logger.getLogger( NetworkUtil.class );
public static List<String> getAllAddresses() throws SocketException {
List<String> addrs = Lists.newArrayList( );
Enumeration<NetworkInterface> ifaces = NetworkInterface.getNetworkInterfaces( );
while( ifaces.hasMoreElements( ) ) {
NetworkInterface iface = ifaces.nextElement( );
for( InterfaceAddress iaddr : iface.getInterfaceAddresses( ) ) {
InetAddress addr = iaddr.getAddress( );
if( addr instanceof Inet4Address ) {
if( !addr.isMulticastAddress( ) && !addr.isLoopbackAddress( ) && !addr.isLinkLocalAddress( ) && !addr.isSiteLocalAddress( ) && !"192.168.122.1".equals( addr.getHostAddress( ) ) ) {
addrs.add( addr.getHostAddress( ) );
}
}
if( addr instanceof Inet4Address ) {
if( !addr.isMulticastAddress( ) && !addr.isLoopbackAddress( ) && !addr.isLinkLocalAddress( ) && !addrs.contains( addr.getHostAddress( ) ) && !"192.168.122.1".equals( addr.getHostAddress( ) ) ) {
addrs.add( addr.getHostAddress( ) );
}
}
}
}
return addrs;
}
public static boolean testReachability( String addr ) throws Exception {
Exceptions.ifNullArgument( addr );
InetAddress inetAddr = Inet4Address.getByName( addr );
return inetAddr.isReachable( 10000 );
}
public static InetAddress toAddress( URI uri ) {
Exceptions.ifNullArgument( uri );
try {
return InetAddress.getByName( uri.getHost( ) );
} catch ( UnknownHostException e ) {
throw Exceptions.illegalArgument( "Failed to resolve address for host: " + uri.getHost( ), e );
}
}
public static InetAddress toAddress( String maybeUrlMaybeHostname ) {
Exceptions.ifNullArgument( maybeUrlMaybeHostname );
if( maybeUrlMaybeHostname.startsWith( "vm:" ) ) {
maybeUrlMaybeHostname = "localhost";
}
URI uri = null;
String hostAddress = null;
try {
uri = new URI( maybeUrlMaybeHostname );
hostAddress = uri.getHost( );
} catch ( URISyntaxException e ) {
hostAddress = maybeUrlMaybeHostname;
}
InetAddress ret = null;
try {
ret = InetAddress.getByName( hostAddress );
} catch ( UnknownHostException e1 ) {
throw Exceptions.fatal( "Failed to resolve address for host: " + maybeUrlMaybeHostname, e1 );
}
return ret;
}
public static boolean testLocal( final InetAddress addr ) {
Exceptions.ifNullArgument( addr );
try {
Boolean result = addr.isAnyLocalAddress( );
result |= Iterables.any( Collections.list( NetworkInterface.getNetworkInterfaces( ) ), new Predicate<NetworkInterface>() {
@Override public boolean apply( NetworkInterface arg0 ) {
return Iterables.any( arg0.getInterfaceAddresses( ), new Predicate<InterfaceAddress>() {
@Override public boolean apply( InterfaceAddress arg0 ) {
return arg0.getAddress( ).equals( addr );
}} );
}} );
return result;
} catch ( Exception e ) {
return Exceptions.eat( e.getMessage( ), e );
}
}
public static boolean testLocal( String address ) {
Exceptions.ifNullArgument( address );
InetAddress addr;
try {
addr = InetAddress.getByName( address );
return testLocal( addr );
} catch ( UnknownHostException e ) {
return Exceptions.eat( e.getMessage( ), e );
}
}
public static boolean testGoodAddress( String address ) throws Exception {
InetAddress addr = InetAddress.getByName( address );
LOG.debug( addr + " site=" + addr.isSiteLocalAddress( ) );
LOG.debug( addr + " any=" + addr.isAnyLocalAddress( ) );
LOG.debug( addr + " loop=" + addr.isLoopbackAddress( ) );
LOG.debug( addr + " link=" + addr.isLinkLocalAddress( ) );
LOG.debug( addr + " multi=" + addr.isMulticastAddress( ) );
return addr.isSiteLocalAddress( ) || ( !addr.isAnyLocalAddress( ) && !addr.isLoopbackAddress( ) && !addr.isLinkLocalAddress( ) && !addr.isMulticastAddress( ) );
}
public static void main( String[] args) throws Exception {
for( String addr : NetworkUtil.getAllAddresses( ) ) {
System.out.println( addr );
}
System.out.println("Testing if 192.168.7.8 is reachable: " + NetworkUtil.testReachability( "192.168.7.8" ) );
}
}