/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.protocol.mgmt;
import java.io.DataInput;
import java.io.IOException;
import org.jboss.as.protocol.StreamUtils;
/**
* {@link ManagementRequestHandlerFactory} for dealing with a {@link ManagementPingRequest}.
*
* @author Brian Stansberry (c) 2012 Red Hat Inc.
*/
public class ManagementPongRequestHandler implements ManagementRequestHandlerFactory, ManagementRequestHandler<Void, Void> {
private volatile long connectionId = System.currentTimeMillis();
@Override
public ManagementRequestHandler<?, ?> resolveHandler(RequestHandlerChain handlers, ManagementRequestHeader header) {
final byte operationId = header.getOperationId();
switch (operationId) {
case ManagementProtocol.TYPE_PING:
handlers.registerActiveOperation(header.getBatchId(), null);
return this;
}
return handlers.resolveNext();
}
@Override
public void handleRequest(final DataInput input, final ActiveOperation.ResultHandler<Void> resultHandler,
final ManagementRequestContext<Void> context) throws IOException {
final ManagementResponseHeader response = ManagementResponseHeader.create(context.getRequestHeader());
final FlushableDataOutput output = context.writeMessage(response);
try {
output.write(ManagementProtocol.TYPE_PONG);
output.writeLong(connectionId);
output.writeByte(ManagementProtocol.RESPONSE_END);
output.close();
} finally {
StreamUtils.safeClose(output);
}
resultHandler.done(null);
}
/**
* Update the id we send in pong responses
*/
public void resetConnectionId() {
connectionId = System.currentTimeMillis();
}
/**
* Gets the current id we send in pong responses
* @return
*/
public long getConnectionId() {
return connectionId;
}
}