/**
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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.geronimo.messaging.remotenode.network;
import java.net.URI;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.geronimo.messaging.NodeException;
import org.apache.geronimo.messaging.NodeInfo;
import org.apache.geronimo.messaging.io.IOContext;
import org.apache.geronimo.messaging.remotenode.NodeServer;
import org.apache.geronimo.messaging.remotenode.RemoteNodeManager;
import org.apache.geronimo.network.SelectorManager;
import org.apache.geronimo.network.protocol.AcceptableProtocol;
import org.apache.geronimo.network.protocol.ProtocolException;
import org.apache.geronimo.network.protocol.ProtocolFactory;
import org.apache.geronimo.network.protocol.ServerSocketAcceptor;
import org.apache.geronimo.network.protocol.ProtocolFactory.AcceptedCallBack;
import org.apache.geronimo.pool.ClockPool;
/**
* NodeServer implementation.
*
* @version $Revision: 1.6 $ $Date: 2004/07/20 00:15:05 $
*/
public class NodeServerImpl
implements NodeServer, AcceptedCallBack
{
private static final Log log = LogFactory.getLog(NodeServerImpl.class);
private final NodeInfo nodeInfo;
private final SelectorManager selectorManager;
private final ClockPool clockPool;
private final ServerSocketAcceptor serverSocketAcceptor;
private final IOContext ioContext;
private RemoteNodeManager manager;
public NodeServerImpl(NodeInfo aNodeInfo,
IOContext anIOContext,
SelectorManager aSelectorManager, ClockPool aClockPool) {
if ( null == aNodeInfo ) {
throw new IllegalArgumentException("NodeInfo is required.");
} else if ( null == anIOContext ) {
throw new IllegalArgumentException("IOContex is required.");
} else if ( null == aSelectorManager ) {
throw new IllegalArgumentException("SelectorManager is required.");
} else if ( null == aClockPool ) {
throw new IllegalArgumentException("ClockPool is required.");
}
nodeInfo = aNodeInfo;
ioContext = anIOContext;
selectorManager = aSelectorManager;
clockPool = aClockPool;
serverSocketAcceptor = new ServerSocketAcceptor();
serverSocketAcceptor.setSelectorManager(selectorManager);
}
public void start() throws NodeException {
if ( null == manager ) {
throw new IllegalStateException("Manager is not set.");
}
log.debug("Starting NodeServer.");
CallbackSocketProtocol spt = new CallbackSocketProtocol();
// TODO configurable.
spt.setTimeout(1000);
spt.setSelectorManager(selectorManager);
ProtocolFactory pf = new ProtocolFactory();
pf.setClockPool(clockPool);
// TODO configurable.
pf.setMaxAge(Long.MAX_VALUE);
pf.setMaxInactivity(1 * 60 * 60 * 1000);
pf.setReclaimPeriod(500);
pf.setTemplate(spt);
pf.setAcceptedCallBack(this);
serverSocketAcceptor.setAcceptorListener(pf);
serverSocketAcceptor.setReuseAddress(true);
try {
URI bindURI = new URI("async",
null,
nodeInfo.getAddress().getHostName(),
nodeInfo.getPort(),
"", null, null);
serverSocketAcceptor.setUri(bindURI);
serverSocketAcceptor.startup();
} catch (Exception e) {
throw new NodeException("Can not start server", e);
}
}
public void stop() {
log.info("Stopping NodeServer.");
try {
serverSocketAcceptor.drain();
} catch (Exception e) {
log.error("Error stopping NodeServer", e);
}
}
public void setRemoteNodeManager(RemoteNodeManager aManager) {
manager = aManager;
}
public void accepted(AcceptableProtocol aProtocol)
throws ProtocolException {
RemoteNodeJoined remoteNode =
new RemoteNodeJoined(nodeInfo, ioContext, aProtocol);
remoteNode.setManager(manager);
try {
remoteNode.join();
} catch (NodeException e) {
log.error("Can not join node", e);
}
}
}