157 lines
4.8 KiB
Java
157 lines
4.8 KiB
Java
/*
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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.channel.ChannelException;
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import io.netty.channel.ChannelOption;
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import io.netty.channel.socket.DatagramChannelConfig;
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import io.netty.channel.socket.DefaultDatagramChannelConfig;
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import io.netty.util.internal.SocketUtils;
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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.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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/**
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* The default {@link NioDatagramChannelConfig} implementation.
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*/
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class NioDatagramChannelConfig extends DefaultDatagramChannelConfig {
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private final DatagramChannel javaChannel;
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NioDatagramChannelConfig(NioDatagramChannel channel, DatagramChannel javaChannel) {
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super(channel, javaChannel.socket());
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this.javaChannel = javaChannel;
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}
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@Override
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public int getTimeToLive() {
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try {
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return javaChannel.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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@Override
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public DatagramChannelConfig setTimeToLive(int ttl) {
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try {
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javaChannel.setOption(StandardSocketOptions.IP_MULTICAST_TTL, ttl);
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return this;
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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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@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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Enumeration<InetAddress> addresses = SocketUtils.addressesFromNetworkInterface(inf);
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if (addresses.hasMoreElements()) {
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return addresses.nextElement();
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}
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}
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return null;
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}
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@Override
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public DatagramChannelConfig 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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return this;
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}
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@Override
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public NetworkInterface getNetworkInterface() {
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try {
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return javaChannel.getOption(StandardSocketOptions.IP_MULTICAST_IF);
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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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@Override
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public DatagramChannelConfig setNetworkInterface(NetworkInterface networkInterface) {
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try {
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javaChannel.setOption(StandardSocketOptions.IP_MULTICAST_IF, networkInterface);
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return this;
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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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@Override
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public boolean isLoopbackModeDisabled() {
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try {
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return javaChannel.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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@Override
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public DatagramChannelConfig setLoopbackModeDisabled(boolean loopbackModeDisabled) {
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try {
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javaChannel.setOption(StandardSocketOptions.IP_MULTICAST_LOOP, loopbackModeDisabled);
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return this;
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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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@Override
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public DatagramChannelConfig setAutoRead(boolean autoRead) {
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super.setAutoRead(autoRead);
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return this;
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}
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@Override
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protected void autoReadCleared() {
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((NioDatagramChannel) channel).clearReadPending0();
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}
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@Override
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public <T> boolean setOption(ChannelOption<T> option, T value) {
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if (option instanceof NioChannelOption) {
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return NioChannelOption.setOption(javaChannel, (NioChannelOption<T>) option, value);
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}
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return super.setOption(option, value);
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}
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@Override
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public <T> T getOption(ChannelOption<T> option) {
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if (option instanceof NioChannelOption) {
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return NioChannelOption.getOption(javaChannel, (NioChannelOption<T>) option);
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}
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return super.getOption(option);
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}
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@SuppressWarnings("unchecked")
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@Override
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public Map<ChannelOption<?>, Object> getOptions() {
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return getOptions(super.getOptions(), NioChannelOption.getOptions(javaChannel));
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}
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}
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