+// Copyright 2000-2005 the Contributors, as shown in the revision logs.
+// Licensed under the Apache Public Source License 2.0 ("the License").
+// You may not use this file except in compliance with the License.
+
package org.ibex.jinetd;
+import org.ibex.io.*;
import org.ibex.util.*;
import java.io.*;
import java.util.*;
+import java.text.*;
+import java.net.*;
import java.util.zip.*;
/** represents a file or directory which is scanned for updates */
public class Loader extends Watcher {
- public Loader(String path) { super(path); }
-
- private TreeClassLoader classloader = new TreeClassLoader();
- public ClassLoader getClassLoader() {
- ClassLoader classloader = this.classloader;
- if (classloader == null) {
- classloader = this.classloader = new TreeClassLoader();
- Log.warn(this, "getting classloader...");
- try {
- compileSource();
- } catch (Exception e) {
- Log.error(this, e);
- }
- }
- return classloader;
- }
+ public /*synchronized*/ void scan() throws IOException { super.scan(); }
+
+ private final TreeClassLoader classloader;
+ public synchronized ClassLoader getClassLoader() { return classloader; }
+ public Loader(String path) { this(path, Loader.class.getClassLoader()); }
+ public Loader(String path, ClassLoader parent) { super(path); classloader = new TreeClassLoader(this, parent); }
+ public void changed(Watched w) { /*FIXME*/ }
private void fill(Vec vec, File dir) {
if (!dir.exists()) return;
fill(vec, new File(dir.getAbsolutePath() + File.separatorChar + list[i]));
}
}
- private void compileSource() throws Exception {
- File srcdir = new File(this.path + File.separatorChar + "SRC");
- if (!srcdir.exists()) return;
- if (new File("/usr/bin/jikes").exists()) {
- File bindir = new File(this.path + File.separatorChar + "BIN"); bindir.mkdirs();
- File libdir = new File(this.path + File.separatorChar + "LIB");
- String classpath = System.getProperty("java.class.path");
- String [] l = new File("/jinetd/LIB/").list();
- for(int i=0; i<l.length; i++) {
- if (!l[i].endsWith(".jar")) continue;
- classpath += File.pathSeparatorChar;
- classpath += "/jinetd/LIB/" + l[i];
- }
- String bootclasspath = System.getProperty("sun.boot.class.path", "");
- Vec args = new Vec();
- args.addElement("/usr/bin/jikes");
- args.addElement("+E");
- args.addElement("-nowarn");
- args.addElement("-bootclasspath");
- args.addElement(bootclasspath);
- args.addElement("-extdirs");
- args.addElement(libdir.getAbsolutePath());
- args.addElement("-classpath");
- args.addElement(classpath);
- args.addElement("-sourcepath");
- args.addElement(srcdir.getAbsolutePath());
- args.addElement("-d");
- args.addElement(bindir.getAbsolutePath());
- fill(args, srcdir);
- String[] all = new String[args.size()];
- args.copyInto(all);
- Log.info(this, "invoking jikes");
- for(int i=0; i<all.length; i++) Log.info(this, " " + all[i]);
- final Process jikes = Runtime.getRuntime().exec(all);
- final BufferedReader out = new BufferedReader(new InputStreamReader(jikes.getInputStream()));
- final BufferedReader err = new BufferedReader(new InputStreamReader(jikes.getErrorStream()));
- new Thread() { public void run() {
- try { for(String s = out.readLine(); s != null; s = out.readLine()) Log.info("jikes[stdout]", s); }
- catch (Exception e) { Log.warn("jikes", e); } } }.start();
- new Thread() { public void run() {
- try { for(String s = err.readLine(); s != null; s = err.readLine()) Log.info("jikes[stderr]", s); }
- catch (Exception e) { Log.warn("jikes", e); } } }.start();
- jikes.waitFor();
- } else {
- Log.error(this, "ACK! jikes not found, javac not (yet) supported");
- }
- }
-
- // only watch SRC and LIB for changes
- public Watched slash(String path) {
- return (path.equals("LIB") ||
- path.equals("BIN") ||
- path.equals("SRC") ||
- path.endsWith(".jar") ) ? super.slash(path) : null; }
-
-
- // dump the classloader if anything changes
- public void changed(Watched w) {
- if (w.path.indexOf("BIN") != -1) return;
- if (classloader != null) {
- Log.info(this, "Reloading all classes: " + path);
- classloader = null;
- }
- }
-
- private class TreeClassLoader extends ClassLoader {
- private Hashtable cache = new Hashtable();
- private synchronized Class defineClass(String name) {
- // first see if it's just sitting there
- File classFile = slash("BIN").slash(name.replace('.', File.separatorChar) + ".class");
- if (classFile.exists()) {
- try {
- FileInputStream fis = new FileInputStream(classFile);
- byte[] b = InputStreamToByteArray.convert(fis);
- fis.close();
- Log.debug(this, " loading " + name + " from " + classFile.getAbsolutePath());
- return defineClass(b, 0, b.length);
- } catch (Exception e) {
- Log.warn(this, e);
- }
+ protected ThreadGroup tg = new ThreadGroup(getAbsolutePath());
+ private void nuke() {
+ if (tg.activeCount() == 0) return;
+ Log.info(this, "killing all threads for: " + path);
+ Log.info(this, " thread count before interrupt: " + tg.activeCount());
+ tg.interrupt();
+ try { Thread.sleep(3000); } catch (Exception e) { Log.error(this, e); }
+ Log.info(this, " thread count before kill: " + tg.activeCount());
+ Thread[] all = new Thread[tg.activeCount()];
+ tg.enumerate(all, true);
+ for(int i=0; i<all.length; i++) Stream.kill(all[i]);
+ try { Thread.sleep(3000); } catch (Exception e) { Log.error(this, e); }
+ Log.info(this, " thread count after kill: " + tg.activeCount());
+ if (tg.activeCount() > 0) {
+ Log.warn(this, " annoying threads:");
+ Thread[] annoying = new Thread[tg.activeCount()];
+ tg.enumerate(annoying, true);
+ for(int i=0; i<annoying.length; i++) {
+ Log.warn(this, " " + annoying[i]);
+ StackTraceElement[] stack = annoying[i].getStackTrace();
+ for(int j=0; j<stack.length; j++) Log.warn(this, " " + stack[j]);
+ Log.warn(this, " ");
}
-
- // then scan the jarfiles for it
- File lib = slash("LIB");
- if (lib.exists() && lib.isDirectory()) {
- try {
- String[] paths = lib.list();
- for(int i=0; i<paths.length; i++) {
- if (paths[i].endsWith(".jar")) {
- File f = new File(getAbsolutePath()+File.separatorChar+"LIB"+File.separatorChar+paths[i]);
- //Log.debug(this, " scanning " + f.getAbsolutePath());
- ZipFile zf = new ZipFile(f);
- ZipEntry ze = zf.getEntry(name.replace('.', File.separatorChar) + ".class");
- if (ze != null) {
- byte[] b = InputStreamToByteArray.convert(zf.getInputStream(ze));
- Log.debug(this, " loading " + name + " from " + f.getAbsolutePath());
- zf.close();
- return defineClass(b, 0, b.length);
- }
- zf.close();
- }
- }
- } catch (Exception e) {
- Log.warn(this, e);
- }
-
- // finally scan ourselves
- try {
- String[] paths = list();
- for(int i=0; i<paths.length; i++) {
- if (paths[i].endsWith(".jar")) {
- File f = new File(getAbsolutePath()+File.separatorChar+paths[i]);
- //Log.debug(this, " scanning " + f.getAbsolutePath());
- ZipFile zf = new ZipFile(f);
- ZipEntry ze = zf.getEntry(name.replace('.', File.separatorChar) + ".class");
- if (ze != null) {
- byte[] b = InputStreamToByteArray.convert(zf.getInputStream(ze));
- Log.debug(this, " loading " + name + " from " + f.getAbsolutePath());
- zf.close();
- return defineClass(b, 0, b.length);
- }
- zf.close();
- }
- }
- } catch (Exception e) {
- Log.warn(this, e);
- }
-
- }
-
- // finally, resort to compiling it if we have to
- //File src = new File(getAbsolutePath() + File.separatorChar + "SRC");
- // FIXME
- //if (!sourcebuilt) buildSource();
- return null;
- }
-
- public synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
- try {
- Class c = findSystemClass(name);
- if (c != null) { if (resolve) resolveClass(c); return c; }
- } catch (ClassNotFoundException e) { /* DELIBERATE */ }
- Class c = (Class)cache.get(name);
- if (c == null) {
- //Log.info(this, "looking for class " + name);
- c = defineClass(name);
- if (c == null) throw new ClassNotFoundException();
- cache.put(name, c);
- }
- if (resolve) resolveClass(c);
- return c;
}
}
+
+
}
projects / org.ibex.jinetd.git / blobdiff