/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, 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.wildfly.extension.undertow;
import org.jboss.as.controller.services.path.PathManager;
import org.jboss.marshalling.InputStreamByteInput;
import org.jboss.marshalling.Marshaller;
import org.jboss.marshalling.OutputStreamByteOutput;
import org.jboss.marshalling.Unmarshaller;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.extension.undertow.logging.UndertowLogger;
import org.xnio.IoUtils;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Map;
/**
* Persistent session manager that stores persistent session information to disk
*
* @author Stuart Douglas
*/
public class DiskBasedModularPersistentSessionManager extends AbstractPersistentSessionManager {
private final String path;
private final String pathRelativeTo;
private File baseDir;
private PathManager.Callback.Handle callbackHandle;
private final InjectedValue<PathManager> pathManager = new InjectedValue<PathManager>();
public DiskBasedModularPersistentSessionManager(String path, String pathRelativeTo) {
this.path = path;
this.pathRelativeTo = pathRelativeTo;
}
@Override
public synchronized void stop(StopContext stopContext) {
super.stop(stopContext);
if (callbackHandle != null) {
callbackHandle.remove();
}
}
@Override
public synchronized void start(StartContext startContext) throws StartException {
super.start(startContext);
if (pathRelativeTo != null) {
callbackHandle = pathManager.getValue().registerCallback(pathRelativeTo, PathManager.ReloadServerCallback.create(), PathManager.Event.UPDATED, PathManager.Event.REMOVED);
}
baseDir = new File(pathManager.getValue().resolveRelativePathEntry(path, pathRelativeTo));
if (!baseDir.exists()) {
if (!baseDir.mkdirs()) {
throw UndertowLogger.ROOT_LOGGER.failedToCreatePersistentSessionDir(baseDir);
}
}
if (!baseDir.isDirectory()) {
throw UndertowLogger.ROOT_LOGGER.invalidPersistentSessionDir(baseDir);
}
}
@Override
protected void persistSerializedSessions(String deploymentName, Map<String, SessionEntry> serializedData) throws IOException {
File file = new File(baseDir, deploymentName);
FileOutputStream out = new FileOutputStream(file, false);
try {
Marshaller marshaller = createMarshaller();
try {
marshaller.start(new OutputStreamByteOutput(out));
marshaller.writeObject(serializedData);
marshaller.finish();
} finally {
marshaller.close();
}
} finally {
IoUtils.safeClose(out);
}
}
@Override
protected Map<String, SessionEntry> loadSerializedSessions(String deploymentName) throws IOException {
File file = new File(baseDir, deploymentName);
if (!file.exists()) {
return null;
}
FileInputStream in = new FileInputStream(file);
try {
Unmarshaller unMarshaller = createUnmarshaller();
try {
try {
unMarshaller.start(new InputStreamByteInput(in));
return (Map<String, SessionEntry>) unMarshaller.readObject();
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
} finally {
unMarshaller.finish();
}
} finally {
unMarshaller.close();
}
} finally {
IoUtils.safeClose(in);
}
}
public InjectedValue<PathManager> getPathManager() {
return pathManager;
}
}