io.netty.channel.udt.nio.NioUdtAcceptorChannel Maven / Gradle / Ivy
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/*
* Copyright 2012 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.channel.udt.nio;
import com.barchart.udt.TypeUDT;
import com.barchart.udt.nio.ServerSocketChannelUDT;
import com.barchart.udt.nio.SocketChannelUDT;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelMetadata;
import io.netty.channel.ChannelOutboundBuffer;
import io.netty.util.internal.SocketUtils;
import io.netty.channel.nio.AbstractNioMessageChannel;
import io.netty.channel.udt.DefaultUdtServerChannelConfig;
import io.netty.channel.udt.UdtChannel;
import io.netty.channel.udt.UdtServerChannel;
import io.netty.channel.udt.UdtServerChannelConfig;
import io.netty.util.internal.logging.InternalLogger;
import io.netty.util.internal.logging.InternalLoggerFactory;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.util.List;
import static java.nio.channels.SelectionKey.*;
/**
* Common base for Netty Byte/Message UDT Stream/Datagram acceptors.
*
* @deprecated The UDT transport is no longer maintained and will be removed.
*/
@Deprecated
public abstract class NioUdtAcceptorChannel extends AbstractNioMessageChannel implements UdtServerChannel {
protected static final InternalLogger logger =
InternalLoggerFactory.getInstance(NioUdtAcceptorChannel.class);
private static final ChannelMetadata METADATA = new ChannelMetadata(false, 16);
private final UdtServerChannelConfig config;
protected NioUdtAcceptorChannel(final ServerSocketChannelUDT channelUDT) {
super(null, channelUDT, OP_ACCEPT);
try {
channelUDT.configureBlocking(false);
config = new DefaultUdtServerChannelConfig(this, channelUDT, true);
} catch (final Exception e) {
try {
channelUDT.close();
} catch (final Exception e2) {
if (logger.isWarnEnabled()) {
logger.warn("Failed to close channel.", e2);
}
}
throw new ChannelException("Failed to configure channel.", e);
}
}
protected NioUdtAcceptorChannel(final TypeUDT type) {
this(NioUdtProvider.newAcceptorChannelUDT(type));
}
@Override
public UdtServerChannelConfig config() {
return config;
}
@Override
protected void doBind(final SocketAddress localAddress) throws Exception {
javaChannel().socket().bind(localAddress, config.getBacklog());
}
@Override
protected void doClose() throws Exception {
javaChannel().close();
}
@Override
protected boolean doConnect(final SocketAddress remoteAddress,
final SocketAddress localAddress) throws Exception {
throw new UnsupportedOperationException();
}
@Override
protected void doDisconnect() throws Exception {
throw new UnsupportedOperationException();
}
@Override
protected void doFinishConnect() throws Exception {
throw new UnsupportedOperationException();
}
@Override
protected boolean doWriteMessage(Object msg, ChannelOutboundBuffer in) throws Exception {
throw new UnsupportedOperationException();
}
@Override
protected final Object filterOutboundMessage(Object msg) throws Exception {
throw new UnsupportedOperationException();
}
@Override
public boolean isActive() {
return javaChannel().socket().isBound();
}
@Override
protected ServerSocketChannelUDT javaChannel() {
return (ServerSocketChannelUDT) super.javaChannel();
}
@Override
protected SocketAddress localAddress0() {
return SocketUtils.localSocketAddress(javaChannel().socket());
}
@Override
public InetSocketAddress localAddress() {
return (InetSocketAddress) super.localAddress();
}
@Override
public InetSocketAddress remoteAddress() {
return null;
}
@Override
protected SocketAddress remoteAddress0() {
return null;
}
@Override
public ChannelMetadata metadata() {
return METADATA;
}
@Override
protected int doReadMessages(List