Make sure all MultiCast configuration settings are possible with NIO. See #313
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@ -23,10 +23,15 @@ import io.netty.util.internal.ConversionUtil;
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import io.netty.util.internal.DetectionUtil;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.MulticastSocket;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.net.StandardSocketOptions;
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import java.nio.channels.DatagramChannel;
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import java.util.Enumeration;
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import java.util.Map;
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import java.util.Set;
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/**
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* The default {@link NioSocketChannelConfig} implementation.
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@ -173,4 +178,80 @@ class DefaultNioDatagramChannelConfig extends DefaultDatagramChannelConfig
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}
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}
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@Override
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public int getTimeToLive() {
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if (DetectionUtil.javaVersion() < 7) {
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throw new UnsupportedOperationException();
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} else {
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try {
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return (int) channel.getOption(StandardSocketOptions.IP_MULTICAST_TTL);
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} catch (IOException e) {
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throw new ChannelException(e);
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}
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}
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}
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@Override
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public void setTimeToLive(int ttl) {
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if (DetectionUtil.javaVersion() < 7) {
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throw new UnsupportedOperationException();
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} else {
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try {
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channel.setOption(StandardSocketOptions.IP_MULTICAST_TTL, ttl);
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} catch (IOException e) {
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throw new ChannelException(e);
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}
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}
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}
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@Override
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public InetAddress getInterface() {
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NetworkInterface inf = getNetworkInterface();
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if (inf == null) {
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return null;
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} else {
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Enumeration<InetAddress> addresses = inf.getInetAddresses();
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if (addresses.hasMoreElements()) {
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return addresses.nextElement();
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}
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return null;
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}
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}
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@Override
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public void setInterface(InetAddress interfaceAddress) {
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try {
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setNetworkInterface(NetworkInterface.getByInetAddress(interfaceAddress));
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} catch (SocketException e) {
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throw new ChannelException(e);
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}
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}
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@Override
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public boolean isLoopbackModeDisabled() {
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if (DetectionUtil.javaVersion() < 7) {
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throw new UnsupportedOperationException();
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} else {
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try {
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return (Boolean) channel.getOption(StandardSocketOptions.IP_MULTICAST_LOOP);
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} catch (IOException e) {
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throw new ChannelException(e);
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}
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}
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}
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@Override
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public void setLoopbackModeDisabled(boolean loopbackModeDisabled) {
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if (DetectionUtil.javaVersion() < 7) {
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throw new UnsupportedOperationException();
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} else {
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try {
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channel.setOption(StandardSocketOptions.IP_MULTICAST_LOOP, loopbackModeDisabled);
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} catch (IOException e) {
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throw new ChannelException(e);
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}
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}
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}
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}
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@ -0,0 +1,53 @@
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/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.channel.socket.nio;
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import io.netty.util.internal.DetectionUtil;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.StandardProtocolFamily;
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import java.nio.channels.DatagramChannel;
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import junit.framework.Assert;
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import org.junit.Test;
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public class DefaultNioDatagramChannelConfigTest {
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@Test
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public void testMulticastOptions() throws IOException {
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if (DetectionUtil.javaVersion() < 7) {
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return;
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}
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DefaultNioDatagramChannelConfig config = new DefaultNioDatagramChannelConfig(DatagramChannel.open(StandardProtocolFamily.INET));
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NetworkInterface inf = NetworkInterface.getNetworkInterfaces().nextElement();
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config.setNetworkInterface(inf);
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Assert.assertEquals(inf, config.getNetworkInterface());
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InetAddress localhost = inf.getInetAddresses().nextElement();
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config.setInterface(localhost);
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Assert.assertEquals(localhost, config.getInterface());
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config.setTimeToLive(100);
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Assert.assertEquals(100, config.getTimeToLive());
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config.setLoopbackModeDisabled(false);
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Assert.assertEquals(false, config.isLoopbackModeDisabled());
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}
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}
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