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/*
*
* 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.qpid.server.transport;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.StandardSocketOptions;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Set;
import javax.net.ssl.SSLContext;
import org.slf4j.LoggerFactory;
import org.apache.qpid.configuration.CommonProperties;
import org.apache.qpid.protocol.ProtocolEngineFactory;
import org.apache.qpid.server.protocol.ServerProtocolEngine;
import org.apache.qpid.transport.NetworkTransportConfiguration;
import org.apache.qpid.transport.TransportException;
import org.apache.qpid.transport.network.TransportEncryption;
import org.apache.qpid.transport.network.io.AbstractNetworkTransport;
import org.apache.qpid.transport.network.io.IdleTimeoutTicker;
public class NonBlockingNetworkTransport
{
private static final org.slf4j.Logger LOGGER = LoggerFactory.getLogger(AbstractNetworkTransport.class);
private static final int TIMEOUT = Integer.getInteger(CommonProperties.IO_NETWORK_TRANSPORT_TIMEOUT_PROP_NAME,
CommonProperties.IO_NETWORK_TRANSPORT_TIMEOUT_DEFAULT);
private static final int HANDSHAKE_TIMEOUT = Integer.getInteger(CommonProperties.HANDSHAKE_TIMEOUT_PROP_NAME ,
CommonProperties.HANDSHAKE_TIMEOUT_DEFAULT);
private SelectorThread _selector;
private Set<TransportEncryption> _encryptionSet;
private volatile boolean _closed = false;
private NetworkTransportConfiguration _config;
private ProtocolEngineFactory _factory;
private SSLContext _sslContext;
private ServerSocketChannel _serverSocket;
private int _timeout;
public void close()
{
if(_selector != null)
{
try
{
if (_serverSocket != null)
{
_selector.cancelAcceptingSocket(_serverSocket);
_serverSocket.close();
}
}
catch (IOException e)
{
// TODO
e.printStackTrace();
}
finally
{
_selector.close();
}
}
}
public void accept(NetworkTransportConfiguration config,
ProtocolEngineFactory factory,
SSLContext sslContext,
final Set<TransportEncryption> encryptionSet)
{
try
{
_config = config;
_factory = factory;
_sslContext = sslContext;
_timeout = TIMEOUT;
InetSocketAddress address = config.getAddress();
_serverSocket = ServerSocketChannel.open();
_serverSocket.setOption(StandardSocketOptions.SO_REUSEADDR, true);
_serverSocket.bind(address);
_serverSocket.configureBlocking(false);
_encryptionSet = encryptionSet;
_selector = new SelectorThread(config.getAddress().toString(), this);
_selector.start();
_selector.addAcceptingSocket(_serverSocket);
}
catch (IOException e)
{
throw new TransportException("Failed to start AMQP on port : " + config, e);
}
}
public int getAcceptingPort()
{
return _serverSocket == null ? -1 : _serverSocket.socket().getLocalPort();
}
public void acceptSocketChannel(final SocketChannel socketChannel) throws IOException
{
final ServerProtocolEngine engine =
(ServerProtocolEngine) _factory.newProtocolEngine(socketChannel.socket()
.getRemoteSocketAddress());
if(engine != null)
{
socketChannel.setOption(StandardSocketOptions.TCP_NODELAY, _config.getTcpNoDelay());
socketChannel.socket().setSoTimeout(1000 * HANDSHAKE_TIMEOUT);
final Integer sendBufferSize = _config.getSendBufferSize();
final Integer receiveBufferSize = _config.getReceiveBufferSize();
socketChannel.setOption(StandardSocketOptions.SO_SNDBUF, sendBufferSize);
socketChannel.setOption(StandardSocketOptions.SO_RCVBUF, receiveBufferSize);
final IdleTimeoutTicker ticker = new IdleTimeoutTicker(engine, TIMEOUT);
NonBlockingConnection connection =
new NonBlockingConnection(socketChannel,
engine,
sendBufferSize,
receiveBufferSize,
_timeout,
ticker,
_encryptionSet,
_sslContext,
_config.wantClientAuth(),
_config.needClientAuth(),
_config.getEnabledCipherSuites(),
_config.getDisabledCipherSuites(),
new Runnable()
{
@Override
public void run()
{
engine.encryptedTransport();
}
},
_selector);
engine.setNetworkConnection(connection, connection.getSender());
connection.setMaxReadIdle(HANDSHAKE_TIMEOUT);
ticker.setConnection(connection);
connection.start();
_selector.addConnection(connection);
}
else
{
socketChannel.close();
}
}
}
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