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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
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*
* Copyright 2004 The Apache Software Foundation
*
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*
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package com.sun.grizzly.http.jk.server;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Properties;
import java.util.StringTokenizer;
import java.util.Vector;
import javax.management.MBeanRegistration;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import com.sun.grizzly.http.jk.core.JkHandler;
import com.sun.grizzly.http.jk.core.WorkerEnv;
import com.sun.grizzly.util.IntrospectionUtils;
import com.sun.grizzly.util.LoggerUtils;
import java.util.logging.Level;
import org.apache.commons.modeler.Registry;
/** Main class used to startup and configure jk. It manages the conf/jk2.properties file
* and is the target of JMX proxy.
*
* It implements a policy of save-on-change - whenever a property is changed at
* runtime the jk2.properties file will be overriden.
*
* You can edit the config file when tomcat is stoped ( or if you don't use JMX or
* other admin tools ).
*
* The format of jk2.properties:
*
*
TYPE[.LOCALNAME].PROPERTY_NAME=VALUE
*
Set a property on the associated component. TYPE will be used to
* find the class name and instantiate the component. LOCALNAME allows
* multiple instances. In JMX mode, TYPE and LOCALNAME will form the
* JMX name ( eventually combined with a 'jk2' component )
*
*
NAME=VALUE
*
Define global properties to be used in ${} substitutions
*
*
class.COMPONENT_TYPE=JAVA_CLASS_NAME
*
Adds a new 'type' of component. We predefine all known types.
*
*
* Instances are created the first time a component name is found. In addition,
* 'handler.list' property will override the list of 'default' components that are
* loaded automatically.
*
* Note that the properties file is just one (simplistic) way to configure jk. We hope
* to see configs based on registry, LDAP, db, etc. ( XML is not necesarily better )
*
* @author Costin Manolache
*/
public class JkMain implements MBeanRegistration {
WorkerEnv wEnv;
String propFile;
Properties props = new Properties();
Properties modules = new Properties();
boolean modified = false;
boolean started = false;
boolean saveProperties = false;
public JkMain() {
JkMain.jkMain = this;
modules.put("channelSocket", "com.sun.grizzly.http.jk.common.ChannelSocket");
modules.put("channelNioSocket", "com.sun.grizzly.http.jk.common.ChannelNioSocket");
modules.put("channelUnix", "com.sun.grizzly.http.jk.common.ChannelUn");
modules.put("channelJni", "com.sun.grizzly.http.jk.common.ChannelJni");
modules.put("apr", "com.sun.grizzly.http.jk.apr.AprImpl");
modules.put("mx", "com.sun.grizzly.http.jk.common.JkMX");
modules.put("modeler", "com.sun.grizzly.http.jk.common.JkModeler");
modules.put("shm", "com.sun.grizzly.http.jk.common.Shm");
modules.put("request", "com.sun.grizzly.http.jk.common.HandlerRequest");
modules.put("container", "com.sun.grizzly.http.jk.common.HandlerRequest");
modules.put("modjk", "com.sun.grizzly.http.jk.common.ModJkMX");
}
public static JkMain getJkMain() {
return jkMain;
}
private static String DEFAULT_HTTPS = "com.sun.net.ssl.internal.www.protocol";
private void initHTTPSUrls() {
try {
// 11657: if only ajp is used, https: redirects need to work ( at least for 1.3+)
String value = System.getProperty("java.protocol.handler.pkgs");
if (value == null) {
value = DEFAULT_HTTPS;
} else if (value.indexOf(DEFAULT_HTTPS) >= 0) {
return; // already set
} else {
value += "|" + DEFAULT_HTTPS;
}
System.setProperty("java.protocol.handler.pkgs", value);
} catch (Exception ex) {
}
}
// -------------------- Setting --------------------
/** Load a .properties file into and set the values
* into jk2 configuration.
*/
public void setPropertiesFile(String p) {
propFile = p;
if (started) {
loadPropertiesFile();
}
}
public String getPropertiesFile() {
return propFile;
}
public void setSaveProperties(boolean b) {
saveProperties = b;
}
/** Set a name/value as a jk2 property
*/
public void setProperty(String n, String v) {
if ("jkHome".equals(n)) {
setJkHome(v);
}
if ("propertiesFile".equals(n)) {
setPropertiesFile(v);
}
props.put(n, v);
if (started) {
processProperty(n, v);
saveProperties();
}
}
/**
* Retrieve a property.
*/
public Object getProperty(String name) {
String alias = (String) replacements.get(name);
Object result = null;
if (alias != null) {
result = props.get(alias);
}
if (result == null) {
result = props.get(name);
}
return result;
}
/**
* Set the channelClassName that will used to connect to
* httpd.
*/
public void setChannelClassName(String name) {
props.put("handler.channel.className", name);
}
public String getChannelClassName() {
return (String) props.get("handler.channel.className");
}
/**
* Set the workerClassName that will handle the request.
* ( sort of 'pivot' in axis :-)
*/
public void setWorkerClassName(String name) {
props.put("handler.container.className", name);
}
public String getWorkerClassName() {
return (String) props.get("handler.container.className");
}
/** Set the base dir of jk2. ( including WEB-INF if in a webapp ).
* We'll try to guess it from classpath if none is set ( for
* example on command line ), but if in a servlet environment
* you need to use Context.getRealPath or a system property or
* set it expliciltey.
*/
public void setJkHome(String s) {
getWorkerEnv().setJkHome(s);
}
public String getJkHome() {
return getWorkerEnv().getJkHome();
}
String out;
String err;
File propsF;
public void setOut(String s) {
this.out = s;
}
public String getOut() {
return this.out;
}
public void setErr(String s) {
this.err = s;
}
public String getErr() {
return this.err;
}
// -------------------- Initialization --------------------
public void init() throws IOException {
long t1 = System.currentTimeMillis();
if (null != out) {
PrintStream outS = new PrintStream(new FileOutputStream(out));
System.setOut(outS);
}
if (null != err) {
PrintStream errS = new PrintStream(new FileOutputStream(err));
System.setErr(errS);
}
String home = getWorkerEnv().getJkHome();
if (home == null) {
// XXX use IntrospectionUtil to find myself
this.guessHome();
}
home = getWorkerEnv().getJkHome();
if (home == null) {
LoggerUtils.getLogger().info("Can't find home, jk2.properties not loaded");
}
if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
LoggerUtils.getLogger().log(Level.FINEST, "Starting Jk2, base dir= " + home);
}
loadPropertiesFile();
String initHTTPS = (String) props.get("class.initHTTPS");
if ("true".equalsIgnoreCase(initHTTPS)) {
initHTTPSUrls();
}
long t2 = System.currentTimeMillis();
initTime = t2 - t1;
}
static String defaultHandlers[] = {"request",
"container",
"channelSocket"
};
/*
static String defaultHandlers[]= { "apr",
"shm",
"request",
"container",
"channelSocket",
"channelJni",
"channelUnix"};
*/
public void stop() {
for (int i = 0; i < wEnv.getHandlerCount(); i++) {
if (wEnv.getHandler(i) != null) {
try {
wEnv.getHandler(i).destroy();
} catch (IOException ex) {
LoggerUtils.getLogger().log(Level.SEVERE, "Error stopping " + wEnv.getHandler(i).getName(), ex);
}
}
}
started = false;
}
public void start() throws IOException {
long t1 = System.currentTimeMillis();
// We must have at least 3 handlers:
// channel is the 'transport'
// request is the request processor or 'global' chain
// container is the 'provider'
// Additional handlers may exist and be used internally
// or be chained to create one of the standard handlers
String handlers[] = defaultHandlers;
// backward compat
String workers = props.getProperty("handler.list", null);
if (workers != null) {
handlers = split(workers, ",");
}
// Load additional component declarations
processModules();
for (int i = 0; i < handlers.length; i++) {
String name = handlers[i];
JkHandler w = getWorkerEnv().getHandler(name);
if (w == null) {
newHandler(name, "", name);
}
}
// Process properties - and add aditional handlers.
processProperties();
for (int i = 0; i < wEnv.getHandlerCount(); i++) {
if (wEnv.getHandler(i) != null) {
try {
wEnv.getHandler(i).init();
} catch (IOException ex) {
if ("apr".equals(wEnv.getHandler(i).getName())) {
LoggerUtils.getLogger().info("APR not loaded, disabling jni components: " + ex.toString());
} else {
LoggerUtils.getLogger().log(Level.SEVERE, "error initializing " + wEnv.getHandler(i).getName(), ex);
}
}
}
}
started = true;
long t2 = System.currentTimeMillis();
startTime = t2 - t1;
this.saveProperties();
LoggerUtils.getLogger().info("Jk running ID=" + wEnv.getLocalId() + " time=" + initTime + "/" + startTime +
" config=" + propFile);
}
// -------------------- Usefull methods --------------------
public WorkerEnv getWorkerEnv() {
if (wEnv == null) {
wEnv = new WorkerEnv();
}
return wEnv;
}
public void setWorkerEnv(WorkerEnv wEnv) {
this.wEnv = wEnv;
}
/* A bit of magic to support workers.properties without giving
up the clean get/set
*/
public void setBeanProperty(Object target, String name, String val) {
if (val != null) {
val = IntrospectionUtils.replaceProperties(val, (Hashtable)props, null);
}
if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
LoggerUtils.getLogger().log(Level.FINEST, "setProperty " + target + " " + name + "=" + val);
}
IntrospectionUtils.setProperty(target, name, val);
}
/*
* Set a handler property
*/
public void setPropertyString(String handlerN, String name, String val) {
if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
LoggerUtils.getLogger().log(Level.FINEST, "setProperty " + handlerN + " " + name + "=" + val);
}
Object target = getWorkerEnv().getHandler(handlerN);
setBeanProperty(target, name, val);
if (started) {
saveProperties();
}
}
/** The time it took to initialize jk ( ms)
*/
public long getInitTime() {
return initTime;
}
/** The time it took to start jk ( ms )
*/
public long getStartTime() {
return startTime;
}
// -------------------- Main --------------------
long initTime;
long startTime;
static JkMain jkMain = null;
public static void main(String args[]) {
try {
if (args.length == 1 &&
("-?".equals(args[0]) || "-h".equals(args[0]))) {
System.out.println("Usage: ");
System.out.println(" JkMain [args]");
System.out.println();
System.out.println(" Each bean setter corresponds to an arg ( like -debug 10 )");
System.out.println(" System properties:");
System.out.println(" jk2.home Base dir of jk2");
return;
}
jkMain = new JkMain();
IntrospectionUtils.processArgs(jkMain, args, new String[]{},
null, new Hashtable());
jkMain.init();
jkMain.start();
} catch (Exception ex) {
LoggerUtils.getLogger().log(Level.WARNING, "Error running", ex);
}
}
// -------------------- Private methods --------------------
private boolean checkPropertiesFile() {
if (propFile == null) {
return false;
}
propsF = new File(propFile);
if (!propsF.isAbsolute()) {
String home = getWorkerEnv().getJkHome();
if (home == null) {
return false;
}
propsF = new File(home, propFile);
}
return propsF.exists();
}
private void loadPropertiesFile() {
if (!checkPropertiesFile()) {
return;
}
try {
props.load(new FileInputStream(propsF));
} catch (IOException ex) {
LoggerUtils.getLogger().log(Level.WARNING, "Unable to load properties from " + propsF, ex);
}
}
public void saveProperties() {
if (!saveProperties) {
return;
}
if (propsF == null) {
LoggerUtils.getLogger().log(Level.WARNING, "No properties file specified. Unable to save");
return;
}
// Temp - to check if it works
File outFile = new File(propsF.getParentFile(), propsF.getName() + ".save");
LoggerUtils.getLogger().log(Level.FINEST, "Saving properties " + outFile);
try {
props.store(new FileOutputStream(outFile), "AUTOMATICALLY GENERATED");
} catch (IOException ex) {
LoggerUtils.getLogger().log(Level.WARNING, "Unable to save to " + outFile, ex);
}
}
// translate top-level keys ( from coyote or generic ) into component keys
static Hashtable replacements = new Hashtable();
static {
replacements.put("port", "channelSocket.port");
replacements.put("maxThreads", "channelSocket.maxThreads");
replacements.put("minSpareThreads", "channelSocket.minSpareThreads");
replacements.put("maxSpareThreads", "channelSocket.maxSpareThreads");
replacements.put("backlog", "channelSocket.backlog");
replacements.put("tcpNoDelay", "channelSocket.tcpNoDelay");
replacements.put("soTimeout", "channelSocket.soTimeout");
replacements.put("timeout", "channelSocket.timeout");
replacements.put("address", "channelSocket.address");
replacements.put("bufferSize", "channelSocket.bufferSize");
replacements.put("tomcatAuthentication", "request.tomcatAuthentication");
replacements.put("packetSize", "channelSocket.packetSize");
}
private void preProcessProperties() {
Enumeration keys = props.keys();
Vector v = new Vector();
while (keys.hasMoreElements()) {
String key = (String) keys.nextElement();
Object newName = replacements.get(key);
if (newName != null) {
v.addElement(key);
}
}
keys = v.elements();
while (keys.hasMoreElements()) {
String key = (String) keys.nextElement();
Object propValue = props.getProperty(key);
String replacement = (String) replacements.get(key);
props.put(replacement, propValue);
if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
LoggerUtils.getLogger().log(Level.FINEST, "Substituting " + key + " " + replacement + " " +
propValue);
}
}
}
private void processProperties() {
preProcessProperties();
Enumeration keys = props.keys();
while (keys.hasMoreElements()) {
String name = (String) keys.nextElement();
String propValue = props.getProperty(name);
processProperty(name, propValue);
}
}
private void processProperty(String name, String propValue) {
String type = name;
String fullName = name;
String localName = "";
String propName = "";
// ignore
if (name.startsWith("key.")) {
return;
}
int dot = name.indexOf(".");
int lastDot = name.lastIndexOf(".");
if (dot > 0) {
type = name.substring(0, dot);
if (dot != lastDot) {
localName = name.substring(dot + 1, lastDot);
fullName = type + "." + localName;
} else {
fullName = type;
}
propName = name.substring(lastDot + 1);
} else {
return;
}
if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
LoggerUtils.getLogger().log(Level.FINEST, "Processing " + type + ":" + localName + ":" + fullName + " " + propName);
}
if ("class".equals(type) || "handler".equals(type)) {
return;
}
JkHandler comp = getWorkerEnv().getHandler(fullName);
if (comp == null) {
comp = newHandler(type, localName, fullName);
}
if (comp == null) {
return;
}
if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
LoggerUtils.getLogger().log(Level.FINEST, "Setting " + propName + " on " + fullName + " " + comp);
}
this.setBeanProperty(comp, propName, propValue);
}
private JkHandler newHandler(String type, String localName, String fullName) {
JkHandler handler;
String classN = modules.getProperty(type);
if (classN == null) {
LoggerUtils.getLogger().log(Level.SEVERE, "No class name for " + fullName + " " + type);
return null;
}
try {
Class channelclass = Class.forName(classN);
handler = (JkHandler) channelclass.newInstance();
} catch (Throwable ex) {
handler = null;
LoggerUtils.getLogger().log(Level.SEVERE, "Can't create " + fullName, ex);
return null;
}
if (this.domain != null) {
try {
ObjectName handlerOname = new ObjectName(this.domain + ":" + "type=JkHandler,name=" + fullName);
Registry.getRegistry(null, null).registerComponent(handler, handlerOname, classN);
} catch (Exception e) {
LoggerUtils.getLogger().log(Level.SEVERE, "Error registering " + fullName, e);
}
}
wEnv.addHandler(fullName, handler);
return handler;
}
private void processModules() {
Enumeration keys = props.keys();
int plen = 6;
while (keys.hasMoreElements()) {
String k = (String) keys.nextElement();
if (!k.startsWith("class.")) {
continue;
}
String name = k.substring(plen);
String propValue = props.getProperty(k);
if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
LoggerUtils.getLogger().log(Level.FINEST, "Register " + name + " " + propValue);
}
modules.put(name, propValue);
}
}
private String[] split(String s, String delim) {
Vector v = new Vector();
StringTokenizer st = new StringTokenizer(s, delim);
while (st.hasMoreTokens()) {
v.addElement(st.nextToken());
}
String res[] = new String[v.size()];
for (int i = 0; i < res.length; i++) {
res[i] = (String) v.elementAt(i);
}
return res;
}
// guessing home
private static String CNAME = "org/apache/jk/server/JkMain.class";
private void guessHome() {
String home = wEnv.getJkHome();
if (home != null) {
return;
}
home = IntrospectionUtils.guessInstall("jk2.home", "jk2.home",
"tomcat-jk2.jar", CNAME);
if (home != null) {
LoggerUtils.getLogger().info("Guessed home " + home);
wEnv.setJkHome(home);
}
}
protected String domain;
protected ObjectName oname;
protected MBeanServer mserver;
public ObjectName getObjectName() {
return oname;
}
public String getDomain() {
return domain;
}
public ObjectName preRegister(MBeanServer server,
ObjectName name) throws Exception {
oname = name;
mserver = server;
domain = name.getDomain();
return name;
}
public void postRegister(Boolean registrationDone) {
}
public void preDeregister() throws Exception {
}
public void postDeregister() {
}
public void pause() throws Exception {
// wEnv sometime null at shutdown - bug45591
if (wEnv != null) {
for (int i = 0; i < wEnv.getHandlerCount(); i++) {
if (wEnv.getHandler(i) != null) {
wEnv.getHandler(i).pause();
}
}
}
}
public void resume() throws Exception {
for (int i = 0; i < wEnv.getHandlerCount(); i++) {
if (wEnv.getHandler(i) != null) {
wEnv.getHandler(i).resume();
}
}
}
}
