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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.tuscany.standalone.server;
import java.beans.Beans;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import javax.management.MBeanServer;
import org.apache.tuscany.host.management.ManagementService;
import org.apache.tuscany.host.runtime.InitializationException;
import org.apache.tuscany.host.runtime.ShutdownException;
import org.apache.tuscany.host.runtime.TuscanyRuntime;
import org.apache.tuscany.runtime.standalone.DirectoryHelper;
import org.apache.tuscany.runtime.standalone.StandaloneRuntime;
import org.apache.tuscany.runtime.standalone.StandaloneRuntimeInfo;
import org.apache.tuscany.runtime.standalone.StandaloneRuntimeInfoImpl;
import org.apache.tuscany.service.management.jmx.JmxManagementService;
import org.apache.tuscany.service.management.jmx.agent.Agent;
import org.apache.tuscany.service.management.jmx.agent.RmiAgent;
/**
* This class provides the commandline interface for starting the
* tuscany standalone server.
* <p/>
* <p/>
* The class boots the tuscany server and also starts a JMX server
* and listens for shutdown command. The server itself is available
* by the object name <code>tuscany:type=server,name=tuscanyServer
* </code>. It also allows a runtime to be booted given a bootpath.
* The JMX domain in which the runtime is registered si definied in
* the file <code>$bootPath/etc/runtime.properties</code>. The properties
* defined are <code>jmx.domain</code> and <code>offline</code>.
* </p>
* <p/>
* <p/>
* The install directory can be specified using the system property
* <code>tuscany.installDir</code>. If not specified it is asumed to
* be the directory from where the JAR file containing the main class
* is loaded.
* </p>
* <p/>
* <p/>
* The administration port can be specified using the system property
* <code>tuscany.adminPort</tuscany>.If not specified the default port
* that is used is <code>1099</code>
*
* @version $Rev$ $Date$
*/
public class TuscanyServer implements TuscanyServerMBean {
/**
* Agent
*/
private final Agent agent;
/**
* Install directory
*/
private final File installDirectory;
/**
* Started runtimes.
*/
private final Map<String, TuscanyRuntime> bootedRuntimes = new ConcurrentHashMap<String, TuscanyRuntime>();
/**
* @param args Commandline arguments.
*/
public static void main(String[] args) throws Exception {
TuscanyServer server = new TuscanyServer();
server.start();
// Start any runtimes specified in the cli
for(String profile : args) {
server.startRuntime(profile);
}
}
/**
* Constructor initializes all the required classloaders.
*
* @throws MalformedURLException
*/
private TuscanyServer() throws MalformedURLException {
installDirectory = DirectoryHelper.getInstallDirectory(TuscanyServer.class);
agent = RmiAgent.getInstance();
}
/**
* Starts a runtime specified by the bootpath.
*
* @param profileName Profile for the runtime.
*/
public final void startRuntime(final String profileName) {
try {
final File profileDirectory = DirectoryHelper.getProfileDirectory(installDirectory, profileName);
final File bootDirectory = DirectoryHelper.getBootDirectory(installDirectory, profileDirectory, null);
final MBeanServer mBeanServer = agent.getMBeanServer();
final StandaloneRuntimeInfo runtimeInfo = createRuntimeInfo(profileName);
final ManagementService<?> managementService = new JmxManagementService(mBeanServer, profileName);
final TuscanyRuntime<?> runtime = createRuntime(bootDirectory, runtimeInfo);
runtime.setManagementService(managementService);
runtime.initialize();
bootedRuntimes.put(profileName, runtime);
} catch (InitializationException ex) {
ex.printStackTrace();
throw new TuscanyServerException(ex);
} catch (IOException ex) {
ex.printStackTrace();
throw new TuscanyServerException(ex);
} catch (ClassNotFoundException ex) {
ex.printStackTrace();
throw new TuscanyServerException(ex);
} catch (Exception ex) {
ex.printStackTrace();
throw new TuscanyServerException(ex);
} catch (Throwable ex) {
ex.printStackTrace();
throw new TuscanyServerException(ex);
}
System.err.println("Started");
}
/**
* @see org.apache.tuscany.standalone.server.TuscanyServerMBean#shutdownRuntime(java.lang.String)
*/
public final void shutdownRuntime(String bootPath) {
try {
TuscanyRuntime runtime = bootedRuntimes.get(bootPath);
if (runtime != null) {
runtime.destroy();
bootedRuntimes.remove(runtime);
runtime = null;
}
} catch (ShutdownException ex) {
throw new TuscanyServerException(ex);
}
}
/**
* Starts the server.
*/
public final void shutdown() {
for (String bootPath : bootedRuntimes.keySet()) {
shutdownRuntime(bootPath);
}
agent.shutdown();
System.err.println("Shutdown");
System.exit(0);
}
/**
* TODO Share this code with launcher.
*
* Creates the runtime info.
*
* @param profile profile for which runtime info is created.
* @return Runtime info.
* @throws IOException If unable to read the runtime properties.
* @throws URISyntaxException
*/
private StandaloneRuntimeInfo createRuntimeInfo(String profile) throws IOException, URISyntaxException {
File profileDir = DirectoryHelper.getProfileDirectory(installDirectory, profile);
// load properties for this runtime
File propFile = new File(profileDir, "etc/runtime.properties");
Properties props = DirectoryHelper.loadProperties(propFile, System.getProperties());
String domain = props.getProperty("domain");
// online unless the offline property is set
boolean online = !Boolean.parseBoolean(props.getProperty("offline", "false"));
return new StandaloneRuntimeInfoImpl(new URI(domain), profile, installDirectory, profileDir, null, online, props);
}
/**
* TODO Share this code with launcher.
*
* Creates the runtime.
*
* @param bootDirectory Boot directory for the runtime.
* @param runtimeInfo Runtime info.
* @return Runtime.
*/
private TuscanyRuntime createRuntime(final File bootDirectory, final StandaloneRuntimeInfo runtimeInfo) throws IOException, ClassNotFoundException {
final URL profileUrl = runtimeInfo.getProfileDirectory().toURL();
final ClassLoader hostClassLoader = ClassLoader.getSystemClassLoader();
final ClassLoader bootClassLoader = DirectoryHelper.createClassLoader(hostClassLoader, bootDirectory);
final URL systemScdl = getSystemScdl(profileUrl, runtimeInfo);
if (systemScdl == null) {
throw new TuscanyServerException("Unable to find system scdl");
}
final String className =
runtimeInfo.getProperty("tuscany.launcherClass",
"org.apache.tuscany.runtime.standalone.host.StandaloneRuntimeImpl");
final StandaloneRuntime runtime = (StandaloneRuntime) Beans.instantiate(bootClassLoader, className);
runtime.setSystemScdl(systemScdl);
runtime.setHostClassLoader(hostClassLoader);
runtime.setRuntimeInfo(runtimeInfo);
return runtime;
}
/**
* Gets the system SCDL.
*
* @param bootClassLoader Boot classloader.
* @return URL to the system SCDL.
* @throws MalformedURLException
*/
private URL getSystemScdl(URL profileUrl, StandaloneRuntimeInfo runtimeInfo) throws MalformedURLException {
return new URL(profileUrl, runtimeInfo.getProperty("tuscany.systemSCDL", "system.scdl"));
}
/**
* Starts the server and starts the JMX agent.
*/
private void start() {
agent.start();
agent.register(this, "tuscany:type=server,name=tuscanyServer");
}
}
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