/**
* Get the current thread's context class loader which is set to the CommonClassLoader by
* ApplicationServer
*
* @return the thread's context classloader if it exists; else the system class loader.
*/
public static ClassLoader getClassLoader() {
if (Thread.currentThread().getContextClassLoader() != null) {
return Thread.currentThread().getContextClassLoader();
} else {
return ClassLoader.getSystemClassLoader();
}
}
private void handleRequest() throws IOException {
String line = in.readLine();
if (line == null || line.length() == 0) {
Log.warn(Thread.currentThread().getName() + ": ignoring empty request.");
return;
}
if (handleCommand(line, out) == false) {
out.println(
Thread.currentThread().getName() + ": didn't understand request \"" + line + "\".");
}
}
/**
* Closes given {@link #transportManagers} of this <tt>Conference</tt> and removes corresponding
* channel bundle.
*/
void closeTransportManager(TransportManager transportManager) {
synchronized (transportManagers) {
for (Iterator<IceUdpTransportManager> i = transportManagers.values().iterator();
i.hasNext(); ) {
if (i.next() == transportManager) {
i.remove();
// Presumably, we have a single association for
// transportManager.
break;
}
}
// Close manager
try {
transportManager.close();
} catch (Throwable t) {
logger.warn(
"Failed to close an IceUdpTransportManager of" + " conference " + getID() + "!", t);
// The whole point of explicitly closing the
// transportManagers of this Conference is to prevent memory
// leaks. Hence, it does not make sense to possibly leave
// TransportManagers open because a TransportManager has
// failed to close.
if (t instanceof InterruptedException) Thread.currentThread().interrupt();
else if (t instanceof ThreadDeath) throw (ThreadDeath) t;
}
}
}
private void closeClientSocket() {
try {
client.close();
} catch (IOException ex) {
Log.warn(Thread.currentThread().getName() + ": failed to close client socket.", ex);
}
}
/**
* Returns the clone of <code>o_</code>. It calls <code>o_.clone()</code>, if possible, and either
* raises an exception or returns null if fails.
*
* @param raiseException_ set to true if one wishes to get exception instead of receiving null
* when this method fails to call <code>o_.clone()</code>.
*/
public static Object clone(Object o_, boolean raiseException_) {
if (o_ == null) return null;
if (o_ instanceof String) return o_;
try {
if (o_ instanceof drcl.ObjectCloneable) return ((drcl.ObjectCloneable) o_).clone();
if (o_.getClass().isArray()) {
int length_ = Array.getLength(o_);
Class componentType_ = o_.getClass().getComponentType();
Object that_ = Array.newInstance(componentType_, length_);
if (componentType_.isPrimitive()) System.arraycopy(o_, 0, that_, 0, length_);
else {
for (int i = 0; i < length_; i++)
Array.set(that_, i, clone(Array.get(o_, i), raiseException_));
}
return that_;
}
Method m_ = o_.getClass().getMethod("clone", null);
return m_.invoke(o_, null);
} catch (Exception e_) {
if (raiseException_) {
Thread t_ = Thread.currentThread();
t_.getThreadGroup().uncaughtException(t_, e_);
}
return null;
}
}
/** JNDI object factory so the proxy can be used as a resource. */
public Object getObjectInstance(
Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws Exception {
Reference ref = (Reference) obj;
String api = null;
String url = null;
String user = null;
String password = null;
for (int i = 0; i < ref.size(); i++) {
RefAddr addr = ref.get(i);
String type = addr.getType();
String value = (String) addr.getContent();
if (type.equals("type")) api = value;
else if (type.equals("url")) url = value;
else if (type.equals("user")) setUser(value);
else if (type.equals("password")) setPassword(value);
}
if (url == null) throw new NamingException("`url' must be configured for HessianProxyFactory.");
// XXX: could use meta protocol to grab this
if (api == null)
throw new NamingException("`type' must be configured for HessianProxyFactory.");
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Class apiClass = Class.forName(api, false, loader);
return create(apiClass, url);
}
public void run() {
if (Thread.currentThread() != this.mt)
throw (new RuntimeException("MainFrame is being run from an invalid context"));
Thread ui = new HackThread(p, "Haven UI thread");
ui.start();
try {
try {
Session sess = null;
while (true) {
UI.Runner fun;
if (sess == null) {
Bootstrap bill = new Bootstrap(Config.defserv, Config.mainport);
if ((Config.authuser != null) && (Config.authck != null)) {
bill.setinitcookie(Config.authuser, Config.authck);
Config.authck = null;
}
fun = bill;
setTitle(String.format("Amish Paradise %s", version));
} else {
fun = new RemoteUI(sess);
setTitle(String.format("Amish Paradise %s \u2013 %s", version, sess.username));
}
sess = fun.run(p.newui(sess));
}
} catch (InterruptedException e) {
}
savewndstate();
} finally {
ui.interrupt();
dispose();
}
}
public ConnectionContext(Exception excp, String ip, String uri, Map<String, String[]> params) {
this.exception = excp;
this.params = params;
this.thread = Thread.currentThread().getName();
this.uri = uri;
this.ip = ip;
}
/**
* Builds a new AgentMBeanServerConnectionFactory and returns the underlying
* MBeanServerConnection
*
* @return a new MBeanServerConnection
*/
public MBeanServerConnection build() {
final String key = buildKey();
MBeanServerConnection conn = INSTANCES.get(key);
if (conn == null) {
synchronized (INSTANCES) {
conn = INSTANCES.get(key);
if (conn == null) {
conn =
(MBeanServerConnection)
Proxy.newProxyInstance(
Thread.currentThread().getContextClassLoader(),
new Class[] {MBeanServerConnection.class},
new AgentMBeanServerConnectionFactory(this));
INSTANCES.put(key, conn);
channel
.getCloseFuture()
.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
INSTANCES.remove(key);
}
});
}
}
}
return conn;
}
public static void resetThreadLocals() {
try {
Field field = Thread.class.getDeclaredField("threadLocals");
field.setAccessible(true);
field.set(Thread.currentThread(), null);
} catch (Throwable e) {
LOG.info(e);
}
}
public static <T> T callWithJarClassLoader(File jarFile, Callable<T> action) throws Exception {
Thread currentThread = Thread.currentThread();
ClassLoader contextClassLoader = currentThread.getContextClassLoader();
try {
currentThread.setContextClassLoader(createJarClassLoader(jarFile));
return action.call();
} finally {
currentThread.setContextClassLoader(contextClassLoader);
}
}
public static void runWithJarClassLoader(File jarFile, Runnable action)
throws MalformedURLException {
Thread currentThread = Thread.currentThread();
ClassLoader contextClassLoader = currentThread.getContextClassLoader();
try {
currentThread.setContextClassLoader(createJarClassLoader(jarFile));
action.run();
} finally {
currentThread.setContextClassLoader(contextClassLoader);
}
}
/** 关闭连接 */
public static final void closeConnection() {
Connection conn = conns.get();
try {
if (conn != null && !conn.isClosed()) {
conn.setAutoCommit(true);
conn.close();
connectionContext.remove(Thread.currentThread().getId());
}
} catch (SQLException e) {
log.error("Unabled to close connection!!! ", e);
}
conns.set(null);
}
/**
* Creates a new proxy with the specified URL. The API class uses the java.api.class value from
* _hessian_
*
* @param url the URL where the client object is located.
* @return a proxy to the object with the specified interface.
*/
public Object create(String url) throws MalformedURLException, ClassNotFoundException {
HessianMetaInfoAPI metaInfo;
metaInfo = (HessianMetaInfoAPI) create(HessianMetaInfoAPI.class, url);
String apiClassName = (String) metaInfo._hessian_getAttribute("java.api.class");
if (apiClassName == null) throw new HessianRuntimeException(url + " has an unknown api.");
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Class apiClass = Class.forName(apiClassName, false, loader);
return create(apiClass, url);
}
private boolean authenticateClient() throws IOException {
String line = in.readLine();
if (line == null || line.equals(secret) == false) {
Log.warn(
Thread.currentThread().getName()
+ ": failed authentication attempt with \""
+ line
+ "\".");
out.println("Authentication failed");
return false;
}
writeNewSecret();
out.println("Authentication OK");
return true;
}
private void handleClient() {
try {
this.in = new BufferedReader(new InputStreamReader(client.getInputStream()));
this.out = new PrintWriter(new OutputStreamWriter(client.getOutputStream()));
if (authenticateClient()) {
handleRequest();
}
out.flush();
out.close();
in.close();
} catch (Exception ex) {
Log.warn(Thread.currentThread().getName() + ": failure handling client request.", ex);
} finally {
closeClientSocket();
}
}
/**
* Expires this <tt>Conference</tt>, its <tt>Content</tt>s and their respective <tt>Channel</tt>s.
* Releases the resources acquired by this instance throughout its life time and prepares it to be
* garbage collected.
*/
public void expire() {
synchronized (this) {
if (expired) return;
else expired = true;
}
EventAdmin eventAdmin = videobridge.getEventAdmin();
if (eventAdmin != null) eventAdmin.sendEvent(EventFactory.conferenceExpired(this));
setRecording(false);
if (recorderEventHandler != null) {
recorderEventHandler.close();
recorderEventHandler = null;
}
Videobridge videobridge = getVideobridge();
try {
videobridge.expireConference(this);
} finally {
// Expire the Contents of this Conference.
for (Content content : getContents()) {
try {
content.expire();
} catch (Throwable t) {
logger.warn(
"Failed to expire content " + content.getName() + " of conference " + getID() + "!",
t);
if (t instanceof InterruptedException) Thread.currentThread().interrupt();
else if (t instanceof ThreadDeath) throw (ThreadDeath) t;
}
}
// Close the transportManagers of this Conference. Normally, there
// will be no TransportManager left to close at this point because
// all Channels have expired and the last Channel to be removed from
// a TransportManager closes the TransportManager. However, a
// Channel may have expired before it has learned of its
// TransportManager and then the TransportManager will not close.
closeTransportManagers();
if (logger.isInfoEnabled()) {
logger.info(
"Expired conference " + getID() + ". " + videobridge.getConferenceCountString());
}
}
}
public Object createValue(UIDefaults table) {
try {
Class c = Class.forName(className, true, Thread.currentThread().getContextClassLoader());
if (methodName == null) {
return c.newInstance();
}
Method m = c.getMethod(methodName, (Class[]) null);
return m.invoke(c, (Object[]) null);
} catch (ClassNotFoundException cnfe) {
} catch (IllegalAccessException iae) {
} catch (InvocationTargetException ite) {
} catch (NoSuchMethodException nsme) {
} catch (InstantiationException ie) {
}
return null;
}
public void run() {
while (Thread.currentThread() == thread) {
try {
Socket socket = server.accept();
Client client = new Client(parent, socket);
if (clientValidationMethod != null) {
try {
clientValidationMethod.invoke(parent, new Object[] {this, client});
} catch (Exception e) {
// System.err.println("Disabling serverEvent() for port " + port);
e.printStackTrace();
}
}
if (client.active()) {
synchronized (clients) {
addClient(client);
if (serverEventMethod != null) {
try {
serverEventMethod.invoke(parent, new Object[] {this, client});
} catch (Exception e) {
// System.err.println("Disabling serverEvent() for port " + port);
e.printStackTrace();
}
}
}
}
} catch (SocketException e) {
// thrown when server.close() is called and server is waiting on accept
System.err.println("Server SocketException: " + e.getMessage());
thread = null;
} catch (IOException e) {
// errorMessage("run", e);
e.printStackTrace();
thread = null;
}
try {
Thread.sleep(8);
} catch (InterruptedException ex) {
}
}
}
/** Utility routine for setting the context class loader. Returns previous class loader. */
public static ClassLoader setContextClassLoader(ClassLoader newClassLoader) {
// Can only reference final local variables from dopriveleged block
final ClassLoader classLoaderToSet = newClassLoader;
final Thread currentThread = Thread.currentThread();
ClassLoader originalClassLoader = currentThread.getContextClassLoader();
if (classLoaderToSet != originalClassLoader) {
if (System.getSecurityManager() == null) {
currentThread.setContextClassLoader(classLoaderToSet);
} else {
java.security.AccessController.doPrivileged(
new java.security.PrivilegedAction() {
public java.lang.Object run() {
currentThread.setContextClassLoader(classLoaderToSet);
return null;
}
});
}
}
return originalClassLoader;
}
public static <T> T mixin(T target, Class<?>... interfaces) {
if (target == null) return null;
// When request is
final Class<?> targetClass = target.getClass();
if (Arrays.stream(interfaces).allMatch(i -> i.isAssignableFrom(targetClass))) {
return target;
}
Class[] classes;
int addedIndex;
if (Proxy.isProxyClass(targetClass)) {
MixinProxyHandler<T> handler = ((MixinProxyHandler<T>) Proxy.getInvocationHandler(target));
target = handler.getOriginal();
Class[] originalInterfaces = handler.getProxyInterfaces();
classes = new Class[originalInterfaces.length + interfaces.length];
System.arraycopy(originalInterfaces, 0, classes, 0, originalInterfaces.length);
addedIndex = originalInterfaces.length;
} else {
Class[] targetInterfaces = getAllInterfaces(targetClass);
classes = new Class[targetInterfaces.length + interfaces.length];
System.arraycopy(targetInterfaces, 0, classes, 0, targetInterfaces.length);
addedIndex = targetInterfaces.length;
}
Arrays.asList(interfaces)
.forEach(
i ->
Arrays.asList(i.getMethods())
.stream()
.filter(Method::isDefault)
.forEach(MixinUtils::getMethodHandle));
System.arraycopy(interfaces, 0, classes, addedIndex, interfaces.length);
ClassLoader cl = Thread.currentThread().getContextClassLoader();
return (T) Proxy.newProxyInstance(cl, classes, new MixinProxyHandler(target, classes));
}
private void initWebSocketService() {
final NodeServer self = this;
final ResourceFactory regFactory = application.getResourceFactory();
resourceFactory.register(
(ResourceFactory rf,
final Object src,
final String resourceName,
Field field,
Object attachment) -> { // 主要用于单点的服务
try {
if (field.getAnnotation(Resource.class) == null) return;
if (!(src instanceof WebSocketServlet)) return;
synchronized (regFactory) {
Service nodeService = (Service) rf.find(resourceName, WebSocketNode.class);
if (nodeService == null) {
nodeService =
Sncp.createLocalService(
resourceName,
getExecutor(),
application.getResourceFactory(),
WebSocketNodeService.class,
(InetSocketAddress) null,
(Transport) null,
(Collection<Transport>) null);
regFactory.register(resourceName, WebSocketNode.class, nodeService);
resourceFactory.inject(nodeService, self);
logger.fine(
"[" + Thread.currentThread().getName() + "] Load Service " + nodeService);
}
field.set(src, nodeService);
}
} catch (Exception e) {
logger.log(Level.SEVERE, "WebSocketNode inject error", e);
}
},
WebSocketNode.class);
}
public static ClassLoader getContextClassLoader() {
ClassLoader result = Thread.currentThread().getContextClassLoader();
if (result == null) result = BeanUtil.class.getClassLoader();
return result;
}
/** Calculates a MD5 digest of the class. */
public String getDigest() {
try {
if (_className == null || "".equals(_className)) return "";
DynamicClassLoader loader =
(DynamicClassLoader) Thread.currentThread().getContextClassLoader();
ClassLoader tmpLoader = loader.getNewTempClassLoader();
Class cl = Class.forName(_className, false, tmpLoader);
if (cl == null) return "";
MessageDigest digest = MessageDigest.getInstance("MD5");
addDigest(digest, cl.getName());
addDigest(digest, cl.getModifiers());
Class superClass = cl.getSuperclass();
if (superClass != null) addDigest(digest, superClass.getName());
Class[] interfaces = cl.getInterfaces();
for (int i = 0; i < interfaces.length; i++) addDigest(digest, interfaces[i].getName());
Field[] fields = cl.getDeclaredFields();
Arrays.sort(fields, new FieldComparator());
if (_checkFields) {
for (Field field : fields) {
if (Modifier.isPrivate(field.getModifiers()) && !_checkPrivate) continue;
if (Modifier.isProtected(field.getModifiers()) && !_checkProtected) continue;
addDigest(digest, field.getName());
addDigest(digest, field.getModifiers());
addDigest(digest, field.getType().getName());
addDigest(digest, field.getAnnotations());
}
}
Method[] methods = cl.getDeclaredMethods();
Arrays.sort(methods, new MethodComparator());
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
if (Modifier.isPrivate(method.getModifiers()) && !_checkPrivate) continue;
if (Modifier.isProtected(method.getModifiers()) && !_checkProtected) continue;
if (Modifier.isStatic(method.getModifiers()) && !_checkStatic) continue;
addDigest(digest, method.getName());
addDigest(digest, method.getModifiers());
addDigest(digest, method.getName());
Class[] param = method.getParameterTypes();
for (int j = 0; j < param.length; j++) addDigest(digest, param[j].getName());
addDigest(digest, method.getReturnType().getName());
Class[] exn = method.getExceptionTypes();
for (int j = 0; j < exn.length; j++) addDigest(digest, exn[j].getName());
addDigest(digest, method.getAnnotations());
}
byte[] digestBytes = new byte[256];
int len = digest.digest(digestBytes, 0, digestBytes.length);
return digestToBase64(digestBytes, len);
} catch (Exception e) {
log.log(Level.FINER, e.toString(), e);
return "";
}
}
public static ClassLoader createJarClassLoader(File jarFile) throws MalformedURLException {
ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
if (jarFile != null)
classLoader = new URLClassLoader(new URL[] {jarFile.toURI().toURL()}, classLoader);
return classLoader;
}
/**
* Creates a new proxy with the specified URL. The returned object is a proxy with the interface
* specified by api.
*
* <pre>
* String url = "http://localhost:8080/ejb/hello");
* HelloHome hello = (HelloHome) factory.create(HelloHome.class, url);
* </pre>
*
* @param api the interface the proxy class needs to implement
* @param url the URL where the client object is located.
* @return a proxy to the object with the specified interface.
*/
public Object create(Class api, String urlName) throws MalformedURLException {
return create(api, urlName, Thread.currentThread().getContextClassLoader());
}
protected void loadHttpServlet(final AnyValue conf, final ClassFilter<? extends Servlet> filter)
throws Exception {
final StringBuilder sb = logger.isLoggable(Level.INFO) ? new StringBuilder() : null;
final String prefix = conf == null ? "" : conf.getValue("path", "");
final String threadName = "[" + Thread.currentThread().getName() + "] ";
List<FilterEntry<? extends Servlet>> list = new ArrayList(filter.getFilterEntrys());
list.sort(
(FilterEntry<? extends Servlet> o1,
FilterEntry<? extends Servlet>
o2) -> { // 必须保证WebSocketServlet优先加载， 因为要确保其他的HttpServlet可以注入本地模式的WebSocketNode
boolean ws1 = WebSocketServlet.class.isAssignableFrom(o1.getType());
boolean ws2 = WebSocketServlet.class.isAssignableFrom(o2.getType());
if (ws1 == ws2) return o1.getType().getName().compareTo(o2.getType().getName());
return ws1 ? -1 : 1;
});
final List<AbstractMap.SimpleEntry<String, String[]>> ss =
sb == null ? null : new ArrayList<>();
for (FilterEntry<? extends Servlet> en : list) {
Class<HttpServlet> clazz = (Class<HttpServlet>) en.getType();
if (Modifier.isAbstract(clazz.getModifiers())) continue;
WebServlet ws = clazz.getAnnotation(WebServlet.class);
if (ws == null || ws.value().length == 0) continue;
final HttpServlet servlet = clazz.newInstance();
resourceFactory.inject(servlet, this);
final String[] mappings = ws.value();
String pref = ws.repair() ? prefix : "";
DefaultAnyValue servletConf = (DefaultAnyValue) en.getProperty();
WebInitParam[] webparams = ws.initParams();
if (webparams.length > 0) {
if (servletConf == null) servletConf = new DefaultAnyValue();
for (WebInitParam webparam : webparams) {
servletConf.addValue(webparam.name(), webparam.value());
}
}
this.httpServer.addHttpServlet(servlet, pref, servletConf, mappings);
if (ss != null) {
for (int i = 0; i < mappings.length; i++) {
mappings[i] = pref + mappings[i];
}
ss.add(new AbstractMap.SimpleEntry<>(clazz.getName(), mappings));
}
}
if (ss != null) {
Collections.sort(
ss,
(AbstractMap.SimpleEntry<String, String[]> o1,
AbstractMap.SimpleEntry<String, String[]> o2) -> o1.getKey().compareTo(o2.getKey()));
int max = 0;
for (AbstractMap.SimpleEntry<String, String[]> as : ss) {
if (as.getKey().length() > max) max = as.getKey().length();
}
for (AbstractMap.SimpleEntry<String, String[]> as : ss) {
sb.append(threadName).append(" Loaded ").append(as.getKey());
for (int i = 0; i < max - as.getKey().length(); i++) {
sb.append(' ');
}
sb.append(" mapping to ").append(Arrays.toString(as.getValue())).append(LINE_SEPARATOR);
}
}
if (sb != null && sb.length() > 0) logger.log(Level.INFO, sb.toString());
}
public Site() {
this(Thread.currentThread().getStackTrace());
}