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/*
* Copyright (c) 2023 Contributors to the Eclipse Foundation
* Copyright (c) 2010, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.enterprise.config.util;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Node;
import com.sun.enterprise.config.serverbeans.Nodes;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.SystemProperty;
import com.sun.enterprise.config.serverbeans.ServerTags;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.enterprise.util.StringUtils;
import com.sun.enterprise.util.net.NetUtils;
import java.util.List;
import java.util.Objects;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.config.support.GlassFishConfigBean;
import org.glassfish.config.support.PropertyResolver;
import org.glassfish.grizzly.config.dom.NetworkConfig;
import org.glassfish.grizzly.config.dom.NetworkListener;
import org.jvnet.hk2.config.Dom;
/**
* The {@code Server.java} file is getting pretty bloated. Offload some utilities here.
*
* @author Byron Nevins
*/
public class ServerHelper {
private final Server server;
private final Config config;
public ServerHelper(Server theServer, Config theConfig) {
server = theServer;
config = theConfig;
if (server == null || config == null)
throw new IllegalArgumentException();
}
public final int getAdminPort() {
try {
String portString = getAdminPortString(server, config);
if (portString == null) {
return -1; // get out quick. it is kosher to call with a null Server
}
return Integer.parseInt(portString);
} catch (Exception e) {
// drop through...
}
return -1;
}
public final String getAdminHost() {
// Look at the address for the admin-listener first
String addr = translateAddressAndPort(getAdminListener(config), server, config)[0];
if (addr != null && !addr.equals("0.0.0.0")) {
return addr;
}
Dom serverDom = Objects.requireNonNull(Dom.unwrap(server));
Domain domain = serverDom.getHabitat().getService(Domain.class);
Nodes nodes = serverDom.getHabitat().getService(Nodes.class);
ServerEnvironment env = serverDom.getHabitat().getService(ServerEnvironment.class);
if (server.isDas()) {
if (env.isDas()) {
// We are the DAS. Return our hostname
return System.getProperty(SystemPropertyConstants.HOST_NAME_PROPERTY);
} else {
return null; // IT 12778 -- it is impossible to know
}
}
String hostName = null;
// Get it from the node associated with the server
String nodeName = server.getNodeRef();
if (StringUtils.ok(nodeName)) {
Node node = nodes.getNode(nodeName);
if (node != null) {
hostName = node.getNodeHost();
}
// XXX Hack to get around the fact that the default localhost
// node entry is malformed
if (hostName == null && nodeName.equals("localhost-" + domain.getName())) {
hostName = "localhost";
}
}
if (StringUtils.ok(hostName)) {
return hostName;
}
return null;
}
// very simple generic check
public final boolean isRunning() {
try {
return NetUtils.isRunning(getAdminHost(), getAdminPort());
} catch (Exception e) {
// fall through
}
return false;
}
public static NetworkListener getAdminListener(Config config) {
NetworkConfig networkConfig = config.getNetworkConfig();
if (networkConfig == null) {
throw new IllegalStateException("Can't operate without ");
}
List listeners = networkConfig.getNetworkListeners().getNetworkListener();
if (listeners == null || listeners.isEmpty()) {
throw new IllegalStateException("Can't operate without at least one ");
}
for (NetworkListener listener : listeners) {
if (ServerTags.ADMIN_LISTENER_ID.equals(listener.getName())) {
return listener;
}
}
// if we can't find the admin-listener, then use the first one
return listeners.get(0);
}
///////////////////////////////////////////
/////////////////// all private below
///////////////////////////////////////////
private static String getAdminPortString(Server server, Config config) {
if (server == null || config == null) {
return null;
}
return translateAddressAndPort(getAdminListener(config), server, config)[1];
}
/**
*
* @param adminListener the admin listener
* @param server the server
* @param config the config
* @return ret[0] == address, ret[1] == port
*/
private static String[] translateAddressAndPort(NetworkListener adminListener, Server server, Config config) {
NetworkListener adminListenerRaw;
String[] ret = new String[2];
String portString = null;
String addressString = null;
try {
Dom serverDom = Objects.requireNonNull(Dom.unwrap(server));
Domain domain = serverDom.getHabitat().getService(Domain.class);
adminListenerRaw = GlassFishConfigBean.getRawView(adminListener);
portString = adminListenerRaw.getPort();
addressString = adminListenerRaw.getAddress();
PropertyResolver resolver = new PropertyResolver(domain, server.getName());
if (isToken(portString)) {
ret[1] = resolver.getPropertyValue(portString);
} else {
ret[1] = portString;
}
if (isToken(addressString)) {
ret[0] = resolver.getPropertyValue(addressString);
} else {
ret[0] = addressString;
}
} catch (ClassCastException e) {
// jc: workaround for issue 12354
// TODO severe error
ret[0] = translatePortOld(addressString, server, config);
ret[1] = translatePortOld(portString, server, config);
}
return ret;
}
private static String translatePortOld(String portString, Server server, Config config) {
if (!isToken(portString)) {
return portString;
}
// isToken returned true, so we are NOT assuming anything below!
String key = portString.substring(2, portString.length() - 1);
// check cluster and the cluster's config if applicable
// bnevins Jul 18, 2010 -- don't bother this should never be called anymore
SystemProperty prop = server.getSystemProperty(key);
if (prop != null) {
return prop.getValue();
}
prop = config.getSystemProperty(key);
if (prop != null) {
return prop.getValue();
}
return null;
}
private static boolean isToken(String s) {
return s != null && s.startsWith("${") && s.endsWith("}") && s.length() > 3;
}
}