/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat, Inc., and others contributors as indicated
* by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.narayana.blacktie.jatmibroker.xatmi.server;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.jboss.narayana.blacktie.jatmibroker.core.conf.AtmiBrokerEnvXML;
import org.jboss.narayana.blacktie.jatmibroker.core.conf.ConfigurationException;
import org.jboss.narayana.blacktie.jatmibroker.core.server.ServiceData;
import org.jboss.narayana.blacktie.jatmibroker.core.transport.TransportFactory;
import org.jboss.narayana.blacktie.jatmibroker.xatmi.Connection;
import org.jboss.narayana.blacktie.jatmibroker.xatmi.ConnectionException;
import com.arjuna.ats.internal.jts.ORBManager;
import com.arjuna.orbportability.ORB;
import com.arjuna.orbportability.RootOA;
/**
* Create a server instance reading the configuration for the server defined by
* the name.
*/
public class BlackTieServer {
/**
* A logger to use
*/
private static final Logger log = LogManager
.getLogger(BlackTieServer.class);
/**
* The name of the server.
*/
private String serverName;
/**
* The services currently advertised by this server.
*/
private Map<String, ServiceData> serviceData = new HashMap<String, ServiceData>();
/**
* The properties the server was created with.
*/
private Properties properties;
private TransportFactory transportFactory;
private boolean shutdown;
/**
* Initialize the server
*
* @param serverName
* The name of the server
* @throws ConfigurationException
* If the server does not exist
* @throws ConnectionException
* If the server cannot connect to the infrastructure configured
*/
public BlackTieServer(String serverName) throws ConfigurationException,
ConnectionException {
ORB orb = com.arjuna.orbportability.ORB.getInstance("ClientSide");
RootOA oa = com.arjuna.orbportability.OA.getRootOA(orb);
orb.initORB(new String[] {}, null);
try {
oa.initOA();
} catch (Throwable t) {
throw new ConnectionException(Connection.TPESYSTEM,
"Could not connect to the orb", t);
}
ORBManager.setORB(orb);
ORBManager.setPOA(oa);
this.serverName = serverName;
AtmiBrokerEnvXML server = new AtmiBrokerEnvXML();
properties = server.getProperties();
transportFactory = new TransportFactory(properties);
/**
* Launch all startup services.
*/
String services = (String) properties.get("blacktie." + serverName
+ ".services");
if (services != null) {
StringTokenizer st = new StringTokenizer(services, ",", false);
while (st.hasMoreElements()) {
String serviceName = st.nextToken();
String functionName = (String) properties.get("blacktie."
+ serviceName + ".java_class_name");
tpadvertise(serviceName, functionName);
}
}
}
/**
* Advertise a blacktie service with the specified name
*
* @param serviceName
* The name of the service
* @throws ConnectionException
* If the service cannot be advertised
*/
public void tpadvertise(String serviceName, String serviceClassName)
throws ConnectionException {
int min = Math.min(Connection.XATMI_SERVICE_NAME_LENGTH,
serviceName.length());
serviceName = serviceName.substring(0, min);
log.debug("Advertising: " + serviceName);
ServiceData serviceData = this.serviceData.get(serviceName);
if (serviceData == null) {
try {
ServiceData data = new ServiceData(transportFactory,
properties, serviceName, serviceClassName);
this.serviceData.put(serviceName, data);
log.info("Advertised: " + serviceName);
} catch (ConnectionException e) {
throw e;
} catch (Throwable t) {
throw new ConnectionException(Connection.TPESYSTEM,
"Could not create service factory for: " + serviceName,
t);
}
} else if (!serviceData.getServiceClassName().equals(serviceClassName)) {
throw new ConnectionException(Connection.TPEMATCH,
"Service already registered");
} else {
log.trace("This is a duplicate advertise");
}
}
/**
* Unadvertise the service by name.
*
* @param serviceName
* The name of the service to unadverise.
* @throws ConnectionException
* If the service cannot be unadvertised.
*/
public void tpunadvertise(String serviceName) throws ConnectionException {
serviceName = serviceName.substring(
0,
Math.min(Connection.XATMI_SERVICE_NAME_LENGTH,
serviceName.length()));
ServiceData data = serviceData.remove(serviceName);
if (data == null) {
throw new ConnectionException(Connection.TPENOENT,
"Service did not exist: " + serviceName);
}
data.close();
}
/**
* Shutdown the server
*
* @throws ConnectionException
* If one of the services cannot disconnect
*/
public void shutdown() throws ConnectionException {
log.debug("Close server called: " + serverName);
String[] array = new String[serviceData.size()];
array = serviceData.keySet().toArray(array);
for (int i = 0; i < array.length; i++) {
tpunadvertise(array[i]);
}
transportFactory.close();
synchronized (this) {
shutdown = true;
notify();
}
log.debug("Close server finished: " + serverName);
}
public synchronized void block() throws InterruptedException {
if (!shutdown) {
log.info("Server waiting for requests...");
wait();
}
}
}