/*
* Copyright 2011 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.socket.nio;
import static io.netty.channel.Channels.*;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.channels.Selector;
import java.nio.channels.ServerSocketChannel;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import io.netty.channel.AbstractServerChannel;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelFactory;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelSink;
import io.netty.channel.socket.DefaultServerSocketChannelConfig;
import io.netty.channel.socket.ServerSocketChannelConfig;
import io.netty.logging.InternalLogger;
import io.netty.logging.InternalLoggerFactory;
final class NioServerSocketChannel extends AbstractServerChannel
implements io.netty.channel.socket.ServerSocketChannel {
private static final InternalLogger logger =
InternalLoggerFactory.getInstance(NioServerSocketChannel.class);
final ServerSocketChannel socket;
final Lock shutdownLock = new ReentrantLock();
volatile Selector selector;
private final ServerSocketChannelConfig config;
static NioServerSocketChannel create(ChannelFactory factory,
ChannelPipeline pipeline, ChannelSink sink) {
NioServerSocketChannel instance =
new NioServerSocketChannel(factory, pipeline, sink);
fireChannelOpen(instance);
return instance;
}
private NioServerSocketChannel(
ChannelFactory factory,
ChannelPipeline pipeline,
ChannelSink sink) {
super(factory, pipeline, sink);
try {
socket = ServerSocketChannel.open();
} catch (IOException e) {
throw new ChannelException(
"Failed to open a server socket.", e);
}
try {
socket.configureBlocking(false);
} catch (IOException e) {
try {
socket.close();
} catch (IOException e2) {
if (logger.isWarnEnabled()) {
logger.warn(
"Failed to close a partially initialized socket.", e2);
}
}
throw new ChannelException("Failed to enter non-blocking mode.", e);
}
config = new DefaultServerSocketChannelConfig(socket.socket());
}
@Override
public ServerSocketChannelConfig getConfig() {
return config;
}
@Override
public InetSocketAddress getLocalAddress() {
return (InetSocketAddress) socket.socket().getLocalSocketAddress();
}
@Override
public InetSocketAddress getRemoteAddress() {
return null;
}
@Override
public boolean isBound() {
return isOpen() && socket.socket().isBound();
}
@Override
protected boolean setClosed() {
return super.setClosed();
}
}