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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.transport.network.mina;
import static org.apache.qpid.transport.ConnectionSettings.WILDCARD_ADDRESS;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import javax.net.ssl.SSLContext;
import org.apache.mina.common.ConnectFuture;
import org.apache.mina.common.ExecutorThreadModel;
import org.apache.mina.common.IoConnector;
import org.apache.mina.common.IoSession;
import org.apache.mina.transport.socket.nio.SocketAcceptor;
import org.apache.mina.transport.socket.nio.SocketAcceptorConfig;
import org.apache.mina.transport.socket.nio.SocketConnector;
import org.apache.mina.transport.socket.nio.SocketConnectorConfig;
import org.apache.mina.transport.socket.nio.SocketSessionConfig;
import org.apache.mina.util.NewThreadExecutor;
import org.apache.qpid.protocol.ProtocolEngineFactory;
import org.apache.qpid.ssl.SSLContextFactory;
import org.apache.qpid.thread.QpidThreadExecutor;
import org.apache.qpid.transport.ConnectionSettings;
import org.apache.qpid.transport.NetworkTransportConfiguration;
import org.apache.qpid.transport.Receiver;
import org.apache.qpid.transport.SocketConnectorFactory;
import org.apache.qpid.transport.TransportException;
import org.apache.qpid.transport.network.IncomingNetworkTransport;
import org.apache.qpid.transport.network.NetworkConnection;
import org.apache.qpid.transport.network.OutgoingNetworkTransport;
import org.apache.qpid.transport.network.Transport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MinaNetworkTransport implements OutgoingNetworkTransport, IncomingNetworkTransport
{
private static final int UNKNOWN = -1;
private static final int TCP = 0;
public NetworkConnection _connection;
private SocketAcceptor _acceptor;
private InetSocketAddress _address;
public NetworkConnection connect(ConnectionSettings settings,
Receiver<java.nio.ByteBuffer> delegate, SSLContext sslContext)
{
int transport = getTransport(settings.getProtocol());
IoConnectorCreator stc;
switch(transport)
{
case TCP:
stc = new IoConnectorCreator(new SocketConnectorFactory()
{
public IoConnector newConnector()
{
return new SocketConnector(1, new QpidThreadExecutor()); // non-blocking connector
}
});
_connection = stc.connect(delegate, settings, sslContext);
break;
case UNKNOWN:
default:
throw new TransportException("Unknown protocol: " + settings.getProtocol());
}
return _connection;
}
private static int getTransport(String transport)
{
if (transport.equals(Transport.TCP))
{
return TCP;
}
return UNKNOWN;
}
public void close()
{
if(_connection != null)
{
_connection.close();
}
if (_acceptor != null)
{
_acceptor.unbindAll();
}
}
public NetworkConnection getConnection()
{
return _connection;
}
public void accept(final NetworkTransportConfiguration config, final ProtocolEngineFactory factory,
final SSLContext sslContext)
{
int processors = config.getConnectorProcessors();
if (Transport.TCP.equalsIgnoreCase(config.getTransport()))
{
_acceptor = new SocketAcceptor(processors, new NewThreadExecutor());
SocketAcceptorConfig sconfig = (SocketAcceptorConfig) _acceptor.getDefaultConfig();
sconfig.setThreadModel(ExecutorThreadModel.getInstance("MinaNetworkTransport(Acceptor)"));
SocketSessionConfig sc = (SocketSessionConfig) sconfig.getSessionConfig();
sc.setTcpNoDelay(config.getTcpNoDelay());
sc.setSendBufferSize(config.getSendBufferSize());
sc.setReceiveBufferSize(config.getReceiveBufferSize());
if (config.getHost().equals(WILDCARD_ADDRESS))
{
_address = new InetSocketAddress(config.getPort());
}
else
{
_address = new InetSocketAddress(config.getHost(), config.getPort());
}
}
else
{
throw new TransportException("Unknown transport: " + config.getTransport());
}
try
{
_acceptor.bind(_address, new MinaNetworkHandler(sslContext, factory));
}
catch (IOException e)
{
throw new TransportException("Could not bind to " + _address, e);
}
}
private static class IoConnectorCreator
{
private static final Logger LOGGER = LoggerFactory.getLogger(IoConnectorCreator.class);
private static final int CLIENT_DEFAULT_BUFFER_SIZE = 32 * 1024;
private SocketConnectorFactory _ioConnectorFactory;
public IoConnectorCreator(SocketConnectorFactory socketConnectorFactory)
{
_ioConnectorFactory = socketConnectorFactory;
}
public NetworkConnection connect(Receiver<java.nio.ByteBuffer> receiver, ConnectionSettings settings, SSLContext sslContext)
{
final IoConnector ioConnector = _ioConnectorFactory.newConnector();
final SocketAddress address;
final String protocol = settings.getProtocol();
final int port = settings.getPort();
if (Transport.TCP.equalsIgnoreCase(protocol))
{
address = new InetSocketAddress(settings.getHost(), port);
}
else
{
throw new TransportException("Unknown transport: " + protocol);
}
LOGGER.info("Attempting connection to " + address);
if (ioConnector instanceof SocketConnector)
{
SocketConnectorConfig cfg = (SocketConnectorConfig) ioConnector.getDefaultConfig();
cfg.setThreadModel(ExecutorThreadModel.getInstance("MinaNetworkTransport(Client)"));
SocketSessionConfig scfg = (SocketSessionConfig) cfg.getSessionConfig();
scfg.setTcpNoDelay(true);
scfg.setSendBufferSize(CLIENT_DEFAULT_BUFFER_SIZE);
scfg.setReceiveBufferSize(CLIENT_DEFAULT_BUFFER_SIZE);
// Don't have the connector's worker thread wait around for other
// connections (we only use one SocketConnector per connection
// at the moment anyway). This allows short-running
// clients (like unit tests) to complete quickly.
((SocketConnector) ioConnector).setWorkerTimeout(0);
}
ConnectFuture future = ioConnector.connect(address, new MinaNetworkHandler(sslContext), ioConnector.getDefaultConfig());
future.join();
if (!future.isConnected())
{
throw new TransportException("Could not open connection");
}
IoSession session = future.getSession();
session.setAttachment(receiver);
return new MinaNetworkConnection(session);
}
}
}
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