/**
*
* Copyright 2003-2004 The Apache Software Foundation
*
* Licensed 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.geronimo.tomcat;
import java.util.Set;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Hashtable;
import javax.management.ObjectName;
import javax.management.MalformedObjectNameException;
import org.apache.geronimo.management.geronimo.WebManager;
import org.apache.geronimo.gbean.GBeanQuery;
import org.apache.geronimo.gbean.GBeanData;
import org.apache.geronimo.gbean.GBeanInfo;
import org.apache.geronimo.gbean.GBeanInfoBuilder;
import org.apache.geronimo.system.serverinfo.ServerInfo;
import org.apache.geronimo.j2ee.management.impl.Util;
import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
import org.apache.geronimo.kernel.GBeanNotFoundException;
import org.apache.geronimo.kernel.Kernel;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Tomcat implementation of the WebManager management API. Knows how to
* manipulate other Tomcat objects for management purposes.
*
* @version $Rev: 46019 $ $Date: 2004-09-14 05:56:06 -0400 (Tue, 14 Sep 2004) $
*/
public class TomcatManagerImpl implements WebManager {
private final static Log log = LogFactory.getLog(TomcatManagerImpl.class);
private final Kernel kernel;
public TomcatManagerImpl(Kernel kernel) {
this.kernel = kernel;
}
/**
* Creates a new connector, and returns the ObjectName for it. Note that the connector may well require further
* customization before being fully functional (e.g. SSL settings for a secure connector). This may need to be done
* before starting the resulting connector.
*
* @param containerObjectName The ObjectName of the container that the connector should be added to
* @param uniqueName A name fragment that's unique to this connector
* @param protocol The protocol that the connector should use
* @param host The host name or IP that the connector should listen on
* @param port The port that the connector should listen on
* @return The ObjectName of the new connector.
*/
public String addConnector(String containerObjectName, String uniqueName, String protocol, String host, int port) {
ObjectName container;
try {
container = ObjectName.getInstance(containerObjectName);
} catch (MalformedObjectNameException e) {
throw new IllegalArgumentException("Invalid web container ObjectName '"+containerObjectName+"'");
}
ObjectName name = getConnectorName(container, protocol, uniqueName);
GBeanData connector;
if(protocol.equals(PROTOCOL_HTTP)) {
connector = new GBeanData(name, ConnectorGBean.GBEAN_INFO);
} else if(protocol.equals(PROTOCOL_HTTPS)) {
connector = new GBeanData(name, HttpsConnectorGBean.GBEAN_INFO);
GBeanQuery query = new GBeanQuery(null, ServerInfo.class.getName());
Set set = kernel.listGBeans(query);
connector.setReferencePattern("ServerInfo", (ObjectName)set.iterator().next());
//todo: default HTTPS settings
} else if(protocol.equals(PROTOCOL_AJP)) {
connector = new GBeanData(name, ConnectorGBean.GBEAN_INFO);
} else {
throw new IllegalArgumentException("Invalid protocol '"+protocol+"'");
}
connector.setAttribute("protocol", protocol);
connector.setAttribute("host", host);
connector.setAttribute("port", new Integer(port));
connector.setAttribute("maxThreads", new Integer(50));
connector.setAttribute("acceptCount", new Integer(100));
connector.setReferencePattern(ConnectorGBean.CONNECTOR_CONTAINER_REFERENCE, container);
ObjectName config = Util.getConfiguration(kernel, container);
try {
kernel.invoke(config, "addGBean", new Object[]{connector, Boolean.FALSE}, new String[]{GBeanData.class.getName(), boolean.class.getName()});
} catch (Exception e) {
log.error("Unable to add GBean ", e);
return null;
}
return name.getCanonicalName();
}
/**
* Gets the network containers.
*/
public String[] getContainers() {
GBeanQuery query = new GBeanQuery(null, TomcatWebContainer.class.getName());
Set names = kernel.listGBeans(query);
String[] result = new String[names.size()];
int i = 0;
for (Iterator it = names.iterator(); it.hasNext();) {
ObjectName name = (ObjectName) it.next();
result[i++] = name.getCanonicalName();
}
return result;
}
/**
* Gets the protocols which this container can configure connectors for.
*/
public String[] getSupportedProtocols() {
return new String[]{PROTOCOL_HTTP, PROTOCOL_HTTPS, PROTOCOL_AJP};
}
/**
* Removes a connector. This shuts it down if necessary, and removes it from the server environment. It must be a
* connector that uses this network technology.
*/
public void removeConnector(String objectName) {
ObjectName name = null;
try {
name = ObjectName.getInstance(objectName);
} catch (MalformedObjectNameException e) {
throw new IllegalArgumentException("Invalid object name '"+objectName+"': "+e.getMessage());
}
try {
GBeanInfo info = kernel.getGBeanInfo(name);
boolean found = false;
Set intfs = info.getInterfaces();
for (Iterator it = intfs.iterator(); it.hasNext();) {
String intf = (String) it.next();
if(intf.equals(TomcatWebConnector.class.getName())) {
found = true;
}
}
if(!found) {
throw new GBeanNotFoundException(name);
}
ObjectName config = Util.getConfiguration(kernel, name);
kernel.invoke(config, "removeGBean", new Object[]{name}, new String[]{ObjectName.class.getName()});
} catch (GBeanNotFoundException e) {
log.warn("No such GBean '"+objectName+"'"); //todo: what if we want to remove a failed GBean?
} catch (Exception e) {
log.error(e);
}
}
/**
* Gets the ObjectNames of any existing connectors for this network technology for the specified protocol.
*
* @param protocol A protocol as returned by getSupportedProtocols
*/
public String[] getConnectors(String protocol) {
GBeanQuery query = new GBeanQuery(null, TomcatWebConnector.class.getName());
Set names = kernel.listGBeans(query);
List result = new ArrayList();
for (Iterator it = names.iterator(); it.hasNext();) {
ObjectName name = (ObjectName) it.next();
try {
if(kernel.getAttribute(name, "protocol").equals(protocol)) {
result.add(name.getCanonicalName());
}
} catch (Exception e) {
log.error("Unable to check the protocol for a connector", e);
}
}
return (String[]) result.toArray(new String[result.size()]);
}
public String getAccessLog(String containerObjectName) {
GBeanQuery query = new GBeanQuery(null, TomcatLogManager.class.getName());
Set names = kernel.listGBeans(query);
if(names.size() == 0) {
return null;
} else if(names.size() > 1) {
throw new IllegalStateException("Should not be more than one Tomcat access log manager");
}
return ((ObjectName)names.iterator().next()).getCanonicalName();
}
/**
* Gets the ObjectNames of any existing connectors associated with this network technology.
*/
public String[] getConnectors() {
GBeanQuery query = new GBeanQuery(null, TomcatWebConnector.class.getName());
Set names = kernel.listGBeans(query);
String[] result = new String[names.size()];
int i=0;
for (Iterator it = names.iterator(); it.hasNext();) {
ObjectName name = (ObjectName) it.next();
result[i++] = name.getCanonicalName();
}
return result;
}
/**
* Gets the ObjectNames of any existing connectors for the specified container for the specified protocol.
*
* @param protocol A protocol as returned by getSupportedProtocols
*/
public String[] getConnectorsForContainer(String containerObjectName, String protocol) {
if(protocol == null) {
return getConnectorsForContainer(containerObjectName);
}
try {
ObjectName containerName = ObjectName.getInstance(containerObjectName);
List results = new ArrayList();
GBeanQuery query = new GBeanQuery(null, TomcatWebConnector.class.getName());
Set set = kernel.listGBeans(query); // all Jetty connectors
for (Iterator it = set.iterator(); it.hasNext();) {
ObjectName name = (ObjectName) it.next(); // a single Jetty connector
GBeanData data = kernel.getGBeanData(name);
Set refs = data.getReferencePatterns(ConnectorGBean.CONNECTOR_CONTAINER_REFERENCE);
for (Iterator refit = refs.iterator(); refit.hasNext();) {
ObjectName ref = (ObjectName) refit.next();
boolean match = false;
if(ref.isPattern()) {
Set matches = kernel.listGBeans(ref);
if(matches.size() != 1) {
log.error("Unable to compare a connector->container reference that's a pattern to a fixed container name: "+ref.getCanonicalName());
} else {
ref = (ObjectName)matches.iterator().next();
if(ref.equals(containerName)) {
match = true;
}
}
} else {
if(ref.equals(containerName)) {
match = true;
}
}
if(match) {
try {
String testProtocol = (String) kernel.getAttribute(name, "protocol");
if(testProtocol != null && testProtocol.equals(protocol)) {
results.add(name.getCanonicalName());
}
} catch (Exception e) {
log.error("Unable to look up protocol for connector '"+name+"'",e);
}
break;
}
}
}
return (String[]) results.toArray(new String[results.size()]);
} catch (Exception e) {
throw new IllegalArgumentException("Unable to look up connectors for Jetty container '"+containerObjectName+"': "+e);
}
}
/**
* Gets the ObjectNames of any existing connectors for the specified container.
*/
public String[] getConnectorsForContainer(String containerObjectName) {
try {
ObjectName containerName = ObjectName.getInstance(containerObjectName);
List results = new ArrayList();
GBeanQuery query = new GBeanQuery(null, TomcatWebConnector.class.getName());
Set set = kernel.listGBeans(query); // all Jetty connectors
for (Iterator it = set.iterator(); it.hasNext();) {
ObjectName name = (ObjectName) it.next(); // a single Jetty connector
GBeanData data = kernel.getGBeanData(name);
Set refs = data.getReferencePatterns(ConnectorGBean.CONNECTOR_CONTAINER_REFERENCE);
for (Iterator refit = refs.iterator(); refit.hasNext();) {
ObjectName ref = (ObjectName) refit.next();
if(ref.isPattern()) {
Set matches = kernel.listGBeans(ref);
if(matches.size() != 1) {
log.error("Unable to compare a connector->container reference that's a pattern to a fixed container name: "+ref.getCanonicalName());
} else {
ref = (ObjectName)matches.iterator().next();
if(ref.equals(containerName)) {
results.add(name.getCanonicalName());
break;
}
}
} else {
if(ref.equals(containerName)) {
results.add(name.getCanonicalName());
break;
}
}
}
}
return (String[]) results.toArray(new String[results.size()]);
} catch (Exception e) {
throw new IllegalArgumentException("Unable to look up connectors for Jetty container '"+containerObjectName+"': "+e);
}
}
private ObjectName getConnectorName(ObjectName container, String protocol, String uniqueName) {
Hashtable table = new Hashtable();
table.put(NameFactory.J2EE_APPLICATION, container.getKeyProperty(NameFactory.J2EE_APPLICATION));
table.put(NameFactory.J2EE_SERVER, container.getKeyProperty(NameFactory.J2EE_SERVER));
table.put(NameFactory.J2EE_MODULE, container.getKeyProperty(NameFactory.J2EE_MODULE));
table.put(NameFactory.J2EE_TYPE, container.getKeyProperty(NameFactory.J2EE_TYPE));
table.put(NameFactory.J2EE_NAME, "TomcatWebConnector-"+protocol+"-"+uniqueName);
try {
return ObjectName.getInstance(container.getDomain(), table);
} catch (MalformedObjectNameException e) {
throw new IllegalStateException("Never should have failed: "+e.getMessage());
}
}
public static final GBeanInfo GBEAN_INFO;
static {
GBeanInfoBuilder infoFactory = new GBeanInfoBuilder("Tomcat Web Manager", TomcatManagerImpl.class);
infoFactory.addAttribute("kernel", Kernel.class, false);
infoFactory.addInterface(WebManager.class);
infoFactory.setConstructor(new String[] {"kernel"});
GBEAN_INFO = infoFactory.getBeanInfo();
}
public static GBeanInfo getGBeanInfo() {
return GBEAN_INFO;
}
}