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package com.sun.enterprise.v3.admin.adapter;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.PostConstruct;
import org.jvnet.hk2.config.types.Property;
import org.glassfish.internal.api.PostStartup;
import org.glassfish.server.ServerEnvironmentImpl;
import com.sun.enterprise.config.serverbeans.*;
import com.sun.logging.LogDomains;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.io.File;
import java.io.IOException;
import com.sun.enterprise.util.SystemPropertyConstants;
@Service(name = "AdminConsoleStartupService")
public class AdminConsoleStartupService implements PostConstruct, PostStartup {
@Inject
private AdminService adminService;
@Inject(optional=true)
private AdminConsoleAdapter adminConsoleAdapter = null;
@Inject
private ServerEnvironmentImpl env;
@Inject
private Domain domain;
private static final Logger logger = LogDomains.getLogger(AdminConsoleStartupService.class, LogDomains.CORE_LOGGER);
private final long ONE_DAY = 24 * 60 * 60 * 1000;
@Override
public void postConstruct() {
if (adminConsoleAdapter == null) { // there may be no console in this environment.
return;
}
/* This service must run only on the server where the console should run. Currently, that server is DAS. If and when
* the console becomes dis-associated with DAS, this logic will need to be modified.
*/
if (!env.isDas())
return;
// FIXME : Use ServerTags, when this is finalized.
Property initProp = adminService.getProperty("adminConsoleStartup");
String initPropVal = null;
if (initProp != null) {
initPropVal = initProp.getValue();
}
if (initPropVal == null) {
initPropVal = "DEFAULT";
}
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "AdminConsoleStartupService, console loading option is {0}", initPropVal);
}
if (initPropVal.equalsIgnoreCase("DEFAULT")) {
handleDefault();
} else if (initPropVal.equalsIgnoreCase("LOW")) {
handleLow();
} else if (initPropVal.equalsIgnoreCase("HIGH")) {
handleHigh();
}
}
private void handleDefault() {
/* if there are servers other than DAS */
if ((domain.getServers().getServer().size() > 1)) {
if (logger.isLoggable(Level.FINER)) {
logger.log(Level.FINER, "AdminConsoleStartup DAS usecase");
}
handleHigh();
return;
}
// if last access was within a day
long currentTime = System.currentTimeMillis();
try {
long lastTime = getTimeStamp();
if (currentTime - lastTime < ONE_DAY) {
if (logger.isLoggable(Level.FINER)) {
logger.log(Level.FINER, "AdminConsoleStartup frequent user, lastTime = ", lastTime);
}
handleHigh();
}
} catch (IOException ex) {
logger.fine(ex.getMessage());
}
}
private void handleLow() {
adminConsoleAdapter.initRest();
}
private void handleHigh() {
handleLow();
synchronized(this) {
if (!adminConsoleAdapter.isInstalling() && !adminConsoleAdapter.isApplicationLoaded()) {
adminConsoleAdapter.loadConsole();
}
}
}
private long getTimeStamp() throws IOException {
File f = new File(env.getConfigDirPath(), ".consolestate");
if (!f.exists())
return 0L;
return f.lastModified();
}
}