/*
* Copyright 2009 Red Hat, Inc.
*
* Red Hat 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 org.jboss.netty.channel.xnio;
import static org.jboss.netty.channel.Channels.*;
import java.net.SocketAddress;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelSink;
import org.jboss.xnio.IoFuture;
import org.jboss.xnio.IoUtils;
import org.jboss.xnio.channels.BoundChannel;
import org.jboss.xnio.channels.BoundServer;
/**
* @author The Netty Project (netty-dev@lists.jboss.org)
* @author Trustin Lee (tlee@redhat.com)
* @version $Rev: 1685 $, $Date: 2009-08-28 16:15:49 +0900 (금, 28 8 2009) $
*/
@SuppressWarnings("unchecked")
final class DefaultXnioServerChannel extends BaseXnioChannel implements XnioServerChannel {
private static final Object bindLock = new Object();
final BoundServer xnioServer;
DefaultXnioServerChannel(
XnioServerChannelFactory factory,
ChannelPipeline pipeline, ChannelSink sink, BoundServer xnioServer) {
super(null, factory, pipeline, sink, new DefaultXnioChannelConfig());
this.xnioServer = xnioServer;
fireChannelOpen(this);
}
@Override
public XnioServerChannelFactory getFactory() {
return (XnioServerChannelFactory) super.getFactory();
}
@Override
public ChannelFuture connect(SocketAddress remoteAddress) {
return getUnsupportedOperationFuture();
}
@Override
public ChannelFuture disconnect() {
return getUnsupportedOperationFuture();
}
@Override
public int getInterestOps() {
return OP_NONE;
}
@Override
public ChannelFuture setInterestOps(int interestOps) {
return getUnsupportedOperationFuture();
}
@Override
protected void setInterestOpsNow(int interestOps) {
// Ignore.
}
void bindNow(ChannelFuture future, SocketAddress localAddress) {
try {
synchronized (bindLock) {
IoFuture<BoundChannel> bindFuture = xnioServer.bind(localAddress);
for (;;) {
IoFuture.Status bindStatus = bindFuture.await();
switch (bindStatus) {
case WAITING:
// Keep waiting for the result.
continue;
case CANCELLED:
throw new Error("should not reach here");
case DONE:
break;
case FAILED:
throw bindFuture.getException();
default:
throw new Error("should not reach here: " + bindStatus);
}
// Break the loop if done.
break;
}
BoundChannel xnioChannel = bindFuture.get();
this.xnioChannel = xnioChannel;
XnioChannelRegistry.registerServerChannel(this);
}
future.setSuccess();
fireChannelBound(this, getLocalAddress());
} catch (Throwable t) {
future.setFailure(t);
fireExceptionCaught(this, t);
}
}
@Override
void closeNow(ChannelFuture future) {
SocketAddress localAddress = getLocalAddress();
boolean bound = localAddress != null;
try {
if (setClosed()) {
future.setSuccess();
synchronized (bindLock) {
IoUtils.safeClose(xnioChannel);
XnioChannelRegistry.unregisterServerChannel(localAddress);
XnioChannelRegistry.unregisterChannelMapping(this);
}
if (bound) {
fireChannelUnbound(this);
}
fireChannelClosed(this);
} else {
future.setSuccess();
}
} catch (Throwable t) {
future.setFailure(t);
fireExceptionCaught(this, t);
}
}
}