/*
* 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.Socket;
import java.net.SocketAddress;
import java.util.Collection;
import java.util.Set;
import org.apache.mina.core.service.IoAcceptor;
import org.apache.mina.core.service.IoHandler;
import org.apache.mina.core.service.IoService;
import org.apache.mina.core.session.IoSessionConfig;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
import org.apache.sshd.common.FactoryManager;
/**
*/
public class MinaAcceptor extends MinaService implements org.apache.sshd.common.io.IoAcceptor, IoHandler {
protected volatile IoAcceptor acceptor;
// Acceptor
protected int backlog = 50;
protected boolean reuseAddress = true;
protected IoSessionConfig sessionConfig;
public MinaAcceptor(FactoryManager manager, org.apache.sshd.common.io.IoHandler handler) {
super(manager, handler);
}
protected IoAcceptor createAcceptor() {
NioSocketAcceptor acceptor = new NioSocketAcceptor(getNioWorkers());
acceptor.setCloseOnDeactivation(false);
acceptor.setReuseAddress(reuseAddress);
acceptor.setBacklog(backlog);
// MINA itself forces our socket receive buffer to 1024 bytes
// by default, despite what the operating system defaults to.
// This limits us to about 3 MB/s incoming data transfer. By
// forcing back to the operating system default we can get a
// decent transfer rate again.
//
final Socket s = new Socket();
try {
try {
acceptor.getSessionConfig().setReceiveBufferSize(s.getReceiveBufferSize());
} finally {
s.close();
}
} catch (IOException e) {
log.warn("cannot adjust SO_RCVBUF back to system default", e);
}
if (sessionConfig != null) {
acceptor.getSessionConfig().setAll(sessionConfig);
}
return acceptor;
}
protected IoAcceptor getAcceptor() {
if (acceptor == null) {
synchronized (this) {
if (acceptor == null) {
acceptor = createAcceptor();
acceptor.setHandler(this);
}
}
}
return acceptor;
}
@Override
protected IoService getIoService() {
return getAcceptor();
}
public void bind(Collection<? extends SocketAddress> addresses) throws IOException {
getAcceptor().bind(addresses);
}
public void bind(SocketAddress address) throws IOException {
getAcceptor().bind(address);
}
public void unbind() {
getAcceptor().unbind();
}
public void unbind(Collection<? extends SocketAddress> addresses) {
getAcceptor().unbind(addresses);
}
public void unbind(SocketAddress address) {
getAcceptor().unbind(address);
}
public Set<SocketAddress> getBoundAddresses() {
return getAcceptor().getLocalAddresses();
}
}