/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.sshd.common.io.mina;
import java.io.IOException;
import java.net.SocketAddress;
import java.util.Collection;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.mina.core.service.IoAcceptor;
import org.apache.mina.core.service.IoHandler;
import org.apache.mina.core.service.IoProcessor;
import org.apache.mina.core.service.IoService;
import org.apache.mina.transport.socket.nio.NioSession;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
import org.apache.sshd.common.FactoryManager;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class MinaAcceptor extends MinaService implements org.apache.sshd.common.io.IoAcceptor, IoHandler {
protected final AtomicReference<IoAcceptor> acceptorHolder = new AtomicReference<>(null);
// Acceptor
protected int backlog = DEFAULT_BACKLOG;
protected boolean reuseAddress = DEFAULT_REUSE_ADDRESS;
public MinaAcceptor(FactoryManager manager, org.apache.sshd.common.io.IoHandler handler, IoProcessor<NioSession> ioProcessor) {
super(manager, handler, ioProcessor);
backlog = manager.getIntProperty(FactoryManager.SOCKET_BACKLOG, DEFAULT_BACKLOG);
reuseAddress = manager.getBooleanProperty(FactoryManager.SOCKET_REUSEADDR, DEFAULT_REUSE_ADDRESS);
}
protected IoAcceptor createAcceptor() {
NioSocketAcceptor acceptor = new NioSocketAcceptor(ioProcessor);
acceptor.setCloseOnDeactivation(false);
acceptor.setReuseAddress(reuseAddress);
acceptor.setBacklog(backlog);
configure(acceptor.getSessionConfig());
return acceptor;
}
protected IoAcceptor getAcceptor() {
IoAcceptor acceptor;
synchronized (acceptorHolder) {
acceptor = acceptorHolder.get();
if (acceptor != null) {
return acceptor;
}
acceptor = createAcceptor();
acceptor.setHandler(this);
acceptorHolder.set(acceptor);
}
log.debug("Created IoAcceptor");
return acceptor;
}
@Override
protected IoService getIoService() {
return getAcceptor();
}
@Override
public void bind(Collection<? extends SocketAddress> addresses) throws IOException {
IoAcceptor acceptor = getAcceptor();
acceptor.bind(addresses);
}
@Override
public void bind(SocketAddress address) throws IOException {
IoAcceptor acceptor = getAcceptor();
acceptor.bind(address);
}
@Override
public void unbind() {
IoAcceptor acceptor = getAcceptor();
acceptor.unbind();
}
@Override
public void unbind(Collection<? extends SocketAddress> addresses) {
IoAcceptor acceptor = getAcceptor();
acceptor.unbind(addresses);
}
@Override
public void unbind(SocketAddress address) {
IoAcceptor acceptor = getAcceptor();
acceptor.unbind(address);
}
@Override
public Set<SocketAddress> getBoundAddresses() {
IoAcceptor acceptor = getAcceptor();
return acceptor.getLocalAddresses();
}
}