private static Echo[] spawnAndTest() {
System.err.println("\nCreate Test-->");
Echo[] echo = new Echo[protocol.length];
for (int i = 0; i < protocol.length; i++) {
JavaVM serverVM =
new JavaVM("EchoImpl", "-Djava.security.policy=" + TestParams.defaultPolicy, protocol[i]);
System.err.println("\nusing protocol: " + (protocol[i] == "" ? "none" : protocol[i]));
try {
/* spawn VM for EchoServer */
serverVM.start();
/* lookup server */
int tries = 12; // need enough tries for slow machine.
echo[i] = null;
do {
try {
echo[i] = (Echo) Naming.lookup("//:" + REGISTRY_PORT + "/EchoServer");
break;
} catch (NotBoundException e) {
try {
Thread.sleep(2000);
} catch (Exception ignore) {
}
continue;
}
} while (--tries > 0);
if (echo[i] == null) TestLibrary.bomb("server not bound in 12 tries", null);
/* invoke remote method and print result*/
System.err.println("Bound to " + echo[i]);
byte[] data = ("Greetings, citizen " + System.getProperty("user.name") + "!").getBytes();
byte[] result = echo[i].echoNot(data);
for (int j = 0; j < result.length; j++) result[j] = (byte) ~result[j];
System.err.println("Result: " + new String(result));
echo[i].shutdown();
} catch (Exception e) {
TestLibrary.bomb("test failed", e);
} finally {
serverVM.destroy();
try {
Naming.unbind("//:" + REGISTRY_PORT + "/EchoServer");
} catch (Exception e) {
TestLibrary.bomb("unbinding EchoServer", e);
}
}
}
return echo;
}
public static void main(String[] argv) {
try {
System.setSecurityManager(new RMISecurityManager());
Addition Hello = new Addition();
Naming.rebind("rmi://localhost/ABCD", Hello);
System.out.println("Addition Server is ready.");
} catch (Exception e) {
System.out.println("Addition Server failed: " + e);
}
}
// we define the method for getting a video link when pressing enter
public String getvidlink() {
try {
System.setSecurityManager(new SecurityManager());
ipadd = tfIP.getText();
Interface client = (Interface) Naming.lookup("rmi://" + ipadd + "/getvid");
// Get the String entered into the TextField tfInput, convert to int
link = tfInput.getText();
vlink = client.getvid(link);
} catch (Exception e) {
System.out.println("[System] Server failed: " + e);
}
return vlink;
}
private static void reactivateAndTest(Echo[] echo) {
System.err.println("\nReactivate Test-->");
for (int i = 0; i < echo.length; i++) {
try {
System.err.println("\nusing protocol: " + (protocol[i] == "" ? "none" : protocol[i]));
byte[] data = ("Greetings, citizen " + System.getProperty("user.name") + "!").getBytes();
byte[] result = echo[i].echoNot(data);
for (int j = 0; j < result.length; j++) result[j] = (byte) ~result[j];
System.err.println("Result: " + new String(result));
echo[i].shutdown();
} catch (Exception e) {
TestLibrary.bomb("activating EchoServer for protocol " + protocol[i], e);
}
}
}
public static void main(String args[]) {
try {
String serverName = args[0];
Solver solver = new Solver();
String rmiObServer = "rmi://" + HOST + "/" + serverName;
Naming.rebind(rmiObServer, solver);
System.out.println("Server ready");
} catch (ArrayIndexOutOfBoundsException ex) {
System.out.println("Error! E' necessario specificare il nome del server");
} catch (RemoteException r) {
System.out.println("Error while rebind object");
r.printStackTrace();
System.exit(1);
} catch (MalformedURLException m) {
System.out.println("Error! Malformed url require");
}
}
private static void setup() {
try {
NotActivatableInterface rsi; // Remote server interface
System.setSecurityManager(new RMISecurityManager());
rsi = (NotActivatableInterface) Activatable.register(ACTIVATION_DESC);
System.out.println("Got stub for " + SERVER_OBJECT + " implementation");
Naming.rebind(SERVER_OBJECT, rsi);
System.out.println("Exported " + SERVER_OBJECT + " implementation");
} catch (Exception e) {
System.err.println("Exception: " + e);
e.printStackTrace();
}
}
// we define the method for downloading when pressing on the download button
public void qrvidlink() {
try {
System.setSecurityManager(new SecurityManager());
ipadd = tfIP.getText();
Interface client = (Interface) Naming.lookup("rmi://" + ipadd + "/getvid");
// Get the String entered into the TextField tfInput, convert to int
link = tfInput.getText();
vlink = client.getvid(link);
// here we receive the image serialized into bytes from the server and
// saved it on the client as png image
byte[] bytimg = client.qrvid(vlink);
BufferedImage img = ImageIO.read(new ByteArrayInputStream(bytimg));
File outputfile = new File("qrcode.png");
ImageIO.write(img, "png", outputfile);
// img= new ImageIcon(bytimg.toByteArray());
} catch (Exception e) {
System.out.println("[System] Server failed: " + e);
}
}
public void crash() {
System.exit(0);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == Connect) {
if (nbr < 3) {
if (nom.getText().length() == 0
|| pwd.getPassword().length == 0
|| jTextField1.getText().length() == 0) {
JOptionPane.showMessageDialog(
null,
"Vous devez donner votre pseudonyme, votre mot de passe ainsi que l'adresse du serveur de chat",
"Informations manquantes",
JOptionPane.WARNING_MESSAGE);
nbr++;
} else {
try {
J = (Contrat) Naming.lookup("rmi://" + jTextField1.getText() + ":1099/JChat");
} catch (RemoteException ex4) {
JOptionPane.showMessageDialog(
null,
"La connexion au serveur a échoué",
"Serveur non démarré",
JOptionPane.WARNING_MESSAGE);
System.out.println(ex4);
nbr++;
} catch (MalformedURLException ex4) {
JOptionPane.showMessageDialog(
null, "Connexion 2", "Erreur de connexion", JOptionPane.WARNING_MESSAGE);
nbr++;
} catch (NotBoundException ex4) {
JOptionPane.showMessageDialog(
null,
"Serveur non joignable",
"Erreur de connexion",
JOptionPane.WARNING_MESSAGE);
System.out.println(ex4);
System.exit(0);
}
if (J != null) {
try { // de la méthode connect distante
// Récupération de l'adresse de la machine du client
try {
adr = InetAddress.getLocalHost().getHostName();
} catch (UnknownHostException ex3) {
}
// Si le nom et le mot de passe fournies par le client sont valides
// Envoi du nom et mot de passe pour la vérification de la validité de ce client
// ainsi que le num de port
// , adresse de la machine du client et nom de l'objet distant du client pour
// pouvoir l'invoquer ultérieurementulté
num_port = J.get_num_port();
if (J.connect(nom.getText(), new String(pwd.getPassword()), adr, num_port)) {
srv_Adr = jTextField1.getText();
srv_state = true;
// fermeture de la fenetre de connexion
fermer();
try {
java.rmi.registry.LocateRegistry.createRegistry(num_port);
System.out.println("Ecoute sur le port : " + num_port);
// Placement de l'objet distant du client sur sa machine : localhost dans le
// registre pour le numéro de port spécifié
Naming.rebind("//" + adr + ":" + num_port + "/" + nom.getText(), retourObj());
System.out.println(Naming.list("//" + adr + ":" + num_port)[0]);
} catch (MalformedURLException ex2) {
System.out.println(ex2);
} catch (RemoteException ex1) {
System.out.println(ex1);
}
// Constructeur graphique de la classe Client
C = new Client(nom.getText(), new String(pwd.getPassword()));
Essai essai = new Essai();
SplashWindowApp splash = new SplashWindowApp(C, 2000, essai);
if (J.getnbrcon() >= 2) {
System.out.println("Mise à jour de la liste du nouveau connecté");
// Mise à jour de la liste des destinataires du nouveau connecté
for (int i = 0; i < J.getnbrcon(); i++)
if (J.list_con()[i].compareTo(nom.getText()) != 0) C.ajout(J.list_con()[i]);
}
} else {
JOptionPane.showMessageDialog(
null, "Vérifiez votre pseudonyme ou mot de passe");
nbr++;
}
} catch (RemoteException ex) {
System.out.println(ex);
}
}
}
if (nbr == 3) {
JOptionPane.showMessageDialog(null, "Nombre maximum d'essai est atteint");
System.exit(0);
}
}
} else {
if (e.getSource() == Annuler) System.exit(0);
}
}
/**
* Contact a belief network context, get the helper list, and search the list to see if there's a
* helper which matches the type sequence specified. If there's more than one helper which
* matches, find the ``best fit.''
*
* <p>The class and count scores of the best-fitting helper class are written into
* <tt>max_class_score[0]</tt> and <tt>max_count_score[0]</tt>, respectively.
*/
public static Class find_helper_class0(
Vector seq, String helper_type, int[] max_class_score, int[] max_count_score)
throws ClassNotFoundException {
long t0 = System.currentTimeMillis();
if (bnc != null) // make sure the reference is still alive
try {
bnc.get_name();
} catch (RemoteException e) {
bnc = null;
}
if (bnc == null) // need to locate a context
{
String cb = System.getProperty("java.rmi.server.codebase", "http://localhost");
long tt0 = System.currentTimeMillis();
try {
bnc = BeliefNetworkContext.locate_context(new URL(cb).getHost());
} catch (Exception e) {
throw new ClassNotFoundException("nested: " + e);
}
}
String[] helperlist;
try {
helperlist = bnc.get_helper_names(helper_type);
} catch (RemoteException e) {
throw new ClassNotFoundException("bnc.get_helper_names failed");
}
int[] class_score1 = new int[1], count_score1 = new int[1];
max_class_score[0] = -1;
max_count_score[0] = -1;
Class cmax_score = null;
for (int i = 0; i < helperlist.length; i++) {
try {
Class c = RMIClassLoader.loadClass(helperlist[i]);
SeqTriple[] sm = (SeqTriple[]) invoke_description(c);
if (sm == null) continue; // apparently not a helper class
if (MatchClassPattern.matches(sm, seq, class_score1, count_score1)) {
if (class_score1[0] > max_class_score[0]
|| (class_score1[0] == max_class_score[0] && count_score1[0] > max_count_score[0])) {
cmax_score = c;
max_class_score[0] = class_score1[0];
max_count_score[0] = count_score1[0];
}
}
} catch (Exception e2) {
System.err.println("PiHelperLoader: attempt to load " + helperlist[i] + " failed; " + e2);
}
}
if (cmax_score == null) {
System.err.println("find_helper_class0: failed; helper list:");
for (int i = 0; i < helperlist.length; i++) System.err.println("\t" + helperlist[i]);
String s = "";
for (Enumeration e = seq.elements(); e.hasMoreElements(); ) {
try {
Class c = (Class) e.nextElement();
s += c.getName() + ",";
} catch (NoSuchElementException ee) {
s += "???" + ",";
}
}
throw new ClassNotFoundException("no " + helper_type + " helper for sequence [" + s + "]");
}
// FOR NOW IGNORE THE POSSIBILITY OF TWO OR MORE MATCHES !!!
return cmax_score;
}
public class PiHelperLoader {
/** The helper cache. The keys are instances of <tt>HelperCacheKey</tt>. */
public static Hashtable helper_cache;
/** The last time (in milliseconds since the epoch) the cache was emptied. */
public static long cache_timestamp = System.currentTimeMillis();
/** The helper cache is emptied every <tt>HELPER_CACHE_REFRESH</tt> milliseconds. */
public static long HELPER_CACHE_REFRESH = 24L * 365L * 3600L * 1000L; // effectively never !!!
// PERHAPS WE OUGHT TO MAINTAIN REFS TO SEVERAL CONTEXTS -- BOTH LOCAL AND REMOTE ??? !!!
public static AbstractBeliefNetworkContext bnc = null;
/**
* When this class is loaded, preload the cache with a few items which we think will often be
* needed. This can avoid the necessity of running a belief network context in simple problems.
*/
static {
System.err.println("PiHelperLoader.static: preload the helper cache.");
helper_cache = new Hashtable();
Vector seq = new Vector();
seq.addElement(riso.distributions.ConditionalDiscrete.class);
seq.addElement(riso.distributions.Discrete.class);
helper_cache.put(
new HelperCacheKey("pi", seq),
riso.distributions.computes_pi.ConditionalDiscrete_Discrete.class);
seq = new Vector();
seq.addElement(riso.distributions.Discrete.class);
helper_cache.put(
new HelperCacheKey("lambda", seq), riso.distributions.computes_lambda.Discrete.class);
seq = new Vector();
seq.addElement(riso.distributions.AbstractDistribution.class);
seq.addElement(riso.distributions.AbstractDistribution.class);
helper_cache.put(
new HelperCacheKey("pi_message", seq),
riso.distributions.computes_pi_message.AbstractDistribution_AbstractDistribution.class);
seq = new Vector();
seq.addElement(riso.distributions.ConditionalDiscrete.class);
seq.addElement(riso.distributions.Discrete.class);
seq.addElement(riso.distributions.Discrete.class);
helper_cache.put(
new HelperCacheKey("lambda_message", seq),
riso.distributions.computes_lambda_message.ConditionalDiscrete_Discrete_Discrete.class);
seq = new Vector();
seq.addElement(riso.distributions.ConditionalDiscrete.class);
seq.addElement(riso.distributions.Discrete.class);
helper_cache.put(
new HelperCacheKey("lambda_message", seq),
riso.distributions.computes_lambda_message.ConditionalDiscrete_Discrete_.class);
seq = new Vector();
seq.addElement(riso.distributions.Discrete.class);
seq.addElement(riso.distributions.Discrete.class);
helper_cache.put(
new HelperCacheKey("posterior", seq),
riso.distributions.computes_posterior.Discrete_Discrete.class);
System.err.println("PiHelperLoader.static: helper_cache.size(): " + helper_cache.size());
}
public static PiHelper load_pi_helper(
PiHelper pi_helper_cache, ConditionalDistribution pxu, Distribution[] pi_messages)
throws Exception {
if (pi_messages.length == 0) return new TrivialPiHelper();
Vector seq = new Vector();
seq.addElement(pxu.getClass());
for (int i = 0; i < pi_messages.length; i++) seq.addElement(pi_messages[i].getClass());
if (pi_helper_cache != null
&& MatchClassPattern.matches(pi_helper_cache.description(), seq, new int[1], new int[1]))
return pi_helper_cache;
Class c = find_helper_class(seq, "pi");
return (PiHelper) c.newInstance();
}
/**
* This method returns a <tt>Class</tt> for a helper which can handle the list of distributions
* specified by <tt>seq1</tt>. We maintain a cache of recently-loaded helpers, so check the cache
* before going to the trouble of searching for a helper. The cache is blown away every
* <tt>HELPER_CACHE_REFRESH</tt> seconds.
*
* <p>If we can't find a helper in the cache, we must search through the list of available helpers
* to find an appropriate one. First try to find helper using class sequence as specified by
* <tt>seq</tt>. Whether or not that succeeds, promote any <tt>Gaussian</tt> in the sequence to
* <tt>MixGaussians</tt>, and try again. If we get a better match on the second try, return the
* helper thus found.
*/
public static Class find_helper_class(Vector seq1, String helper_type)
throws ClassNotFoundException {
// Let's see if an appropriate helper is in the cache.
// If the cache is too old, empty it and search for the helper anew.
if (System.currentTimeMillis() - cache_timestamp > HELPER_CACHE_REFRESH) {
helper_cache = new Hashtable();
cache_timestamp = System.currentTimeMillis();
// Go on and search for appropriate helper.
} else {
HelperCacheKey key = new HelperCacheKey(helper_type, seq1);
Class helper_class = (Class) helper_cache.get(key);
if (helper_class != null) {
if (Global.debug > -1)
System.err.println(
"PiHelperLoader.find_helper_class: found helper class: "
+ helper_class
+ "; no need to search.");
return helper_class;
}
// else no luck; we have to search for helper.
}
// Well, we didn't find a helper in the cache, so let's go to work.
if (Global.debug > -1)
System.err.println(
"PiHelperLoader.find_helper_class: DID NOT FIND HELPER CLASS; NOW SEARCH.");
Class c1 = null, c2 = null;
ClassNotFoundException cnfe1 = null, cnfe2 = null;
int[] class_score1 = new int[1], count_score1 = new int[1];
int[] class_score2 = new int[1], count_score2 = new int[1];
try {
c1 = find_helper_class1(seq1, helper_type, class_score1, count_score1);
} catch (ClassNotFoundException e) {
cnfe1 = e;
} // hang on, we may need to re-throw later.
Class gaussian_class = Class.forName("riso.distributions.Gaussian");
MixGaussians mog = new MixGaussians(1, 1);
Vector seq2 = new Vector(seq1.size());
for (int i = 0; i < seq1.size(); i++)
if (gaussian_class.isAssignableFrom((Class) seq1.elementAt(i)))
seq2.addElement(mog.getClass());
else seq2.addElement(seq1.elementAt(i));
try {
c2 = find_helper_class1(seq2, helper_type, class_score2, count_score2);
} catch (ClassNotFoundException e) {
cnfe2 = e;
}
if (cnfe1 == null && cnfe2 == null) {
// Both matched; see which one fits better.
// Break ties in favor of the helper for non-promoted messages.
if (class_score1[0] >= class_score2[0]
|| (class_score1[0] == class_score2[0] && count_score1[0] >= count_score2[0])) {
if (Global.debug > 1)
System.err.println(
"\taccept helper " + c1 + " for non-promoted classes instead of " + c2);
if (Global.debug > 1)
System.err.println(
"\t\t"
+ class_score1[0]
+ ", "
+ class_score2[0]
+ "; "
+ count_score1[0]
+ ", "
+ count_score2[0]);
helper_cache.put(new HelperCacheKey(helper_type, seq1), c1);
return c1;
} else {
if (Global.debug > 1)
System.err.println("\taccept helper " + c2 + " for promoted classes instead of " + c1);
if (Global.debug > 1)
System.err.println(
"\t\t"
+ class_score1[0]
+ ", "
+ class_score2[0]
+ "; "
+ count_score1[0]
+ ", "
+ count_score2[0]);
helper_cache.put(new HelperCacheKey(helper_type, seq1), c2);
return c2;
}
} else if (cnfe1 == null && cnfe2 != null) {
// Only the first try matched, return it.
helper_cache.put(new HelperCacheKey(helper_type, seq1), c1);
return c1;
} else if (cnfe1 != null && cnfe2 == null) {
// Only the second try matched, return it.
helper_cache.put(new HelperCacheKey(helper_type, seq1), c2);
return c2;
} else {
// Neither try matched. Re-throw the exception generated by the first try.
throw cnfe1;
}
}
/**
* Check the helpers currently stored in the helper cache to see if any of them can handle the
* sequence we've just been given. This avoids pinging the belief network context to get a helper
* list.
*/
public static Class find_helper_class1(
Vector seq, String helper_type, int[] max_class_score, int[] max_count_score)
throws ClassNotFoundException {
int[] class_score1 = new int[1], count_score1 = new int[1];
max_class_score[0] = -1;
max_count_score[0] = -1;
Class cmax_score = null;
for (Enumeration e = helper_cache.keys(); e.hasMoreElements(); ) {
try {
HelperCacheKey key = (HelperCacheKey) e.nextElement();
if (!key.helper_type.equals(helper_type)) continue;
Class c = (Class) helper_cache.get(key);
SeqTriple[] sm = (SeqTriple[]) invoke_description(c);
if (sm == null) continue; // apparently not a helper class
if (MatchClassPattern.matches(sm, seq, class_score1, count_score1)) {
if (class_score1[0] > max_class_score[0]
|| (class_score1[0] == max_class_score[0] && count_score1[0] > max_count_score[0])) {
cmax_score = c;
max_class_score[0] = class_score1[0];
max_count_score[0] = count_score1[0];
}
}
} catch (Exception e2) {
} // eat it; stagger forward
}
if (Global.debug > 1)
System.err.println(
"PiHelperLoader.find_helper_class1: helper "
+ (cmax_score == null ? "is NOT" : "is")
+ " in cache.");
if (cmax_score == null) // no luck; try to get a helper list from the bnc & plunge ahead
return find_helper_class0(seq, helper_type, max_class_score, max_count_score);
else // success!
return cmax_score;
}
/**
* Contact a belief network context, get the helper list, and search the list to see if there's a
* helper which matches the type sequence specified. If there's more than one helper which
* matches, find the ``best fit.''
*
* <p>The class and count scores of the best-fitting helper class are written into
* <tt>max_class_score[0]</tt> and <tt>max_count_score[0]</tt>, respectively.
*/
public static Class find_helper_class0(
Vector seq, String helper_type, int[] max_class_score, int[] max_count_score)
throws ClassNotFoundException {
long t0 = System.currentTimeMillis();
if (bnc != null) // make sure the reference is still alive
try {
bnc.get_name();
} catch (RemoteException e) {
bnc = null;
}
if (bnc == null) // need to locate a context
{
String cb = System.getProperty("java.rmi.server.codebase", "http://localhost");
long tt0 = System.currentTimeMillis();
try {
bnc = BeliefNetworkContext.locate_context(new URL(cb).getHost());
} catch (Exception e) {
throw new ClassNotFoundException("nested: " + e);
}
}
String[] helperlist;
try {
helperlist = bnc.get_helper_names(helper_type);
} catch (RemoteException e) {
throw new ClassNotFoundException("bnc.get_helper_names failed");
}
int[] class_score1 = new int[1], count_score1 = new int[1];
max_class_score[0] = -1;
max_count_score[0] = -1;
Class cmax_score = null;
for (int i = 0; i < helperlist.length; i++) {
try {
Class c = RMIClassLoader.loadClass(helperlist[i]);
SeqTriple[] sm = (SeqTriple[]) invoke_description(c);
if (sm == null) continue; // apparently not a helper class
if (MatchClassPattern.matches(sm, seq, class_score1, count_score1)) {
if (class_score1[0] > max_class_score[0]
|| (class_score1[0] == max_class_score[0] && count_score1[0] > max_count_score[0])) {
cmax_score = c;
max_class_score[0] = class_score1[0];
max_count_score[0] = count_score1[0];
}
}
} catch (Exception e2) {
System.err.println("PiHelperLoader: attempt to load " + helperlist[i] + " failed; " + e2);
}
}
if (cmax_score == null) {
System.err.println("find_helper_class0: failed; helper list:");
for (int i = 0; i < helperlist.length; i++) System.err.println("\t" + helperlist[i]);
String s = "";
for (Enumeration e = seq.elements(); e.hasMoreElements(); ) {
try {
Class c = (Class) e.nextElement();
s += c.getName() + ",";
} catch (NoSuchElementException ee) {
s += "???" + ",";
}
}
throw new ClassNotFoundException("no " + helper_type + " helper for sequence [" + s + "]");
}
// FOR NOW IGNORE THE POSSIBILITY OF TWO OR MORE MATCHES !!!
return cmax_score;
}
public static Object invoke_description(Class c) {
try {
Field f = c.getField("description_array");
return f.get(null);
} catch (NoSuchFieldException e) {
} // eat the exception; apparently c is not a helper
catch (Exception e) {
} // HMM, SHOULD WE TRY HARDER TO FIGURE OUT WHAT'S GOING ON HERE ???
return null;
}
}
/**
* This method returns a <tt>Class</tt> for a helper which can handle the list of distributions
* specified by <tt>seq1</tt>. We maintain a cache of recently-loaded helpers, so check the cache
* before going to the trouble of searching for a helper. The cache is blown away every
* <tt>HELPER_CACHE_REFRESH</tt> seconds.
*
* <p>If we can't find a helper in the cache, we must search through the list of available helpers
* to find an appropriate one. First try to find helper using class sequence as specified by
* <tt>seq</tt>. Whether or not that succeeds, promote any <tt>Gaussian</tt> in the sequence to
* <tt>MixGaussians</tt>, and try again. If we get a better match on the second try, return the
* helper thus found.
*/
public static Class find_helper_class(Vector seq1, String helper_type)
throws ClassNotFoundException {
// Let's see if an appropriate helper is in the cache.
// If the cache is too old, empty it and search for the helper anew.
if (System.currentTimeMillis() - cache_timestamp > HELPER_CACHE_REFRESH) {
helper_cache = new Hashtable();
cache_timestamp = System.currentTimeMillis();
// Go on and search for appropriate helper.
} else {
HelperCacheKey key = new HelperCacheKey(helper_type, seq1);
Class helper_class = (Class) helper_cache.get(key);
if (helper_class != null) {
if (Global.debug > -1)
System.err.println(
"PiHelperLoader.find_helper_class: found helper class: "
+ helper_class
+ "; no need to search.");
return helper_class;
}
// else no luck; we have to search for helper.
}
// Well, we didn't find a helper in the cache, so let's go to work.
if (Global.debug > -1)
System.err.println(
"PiHelperLoader.find_helper_class: DID NOT FIND HELPER CLASS; NOW SEARCH.");
Class c1 = null, c2 = null;
ClassNotFoundException cnfe1 = null, cnfe2 = null;
int[] class_score1 = new int[1], count_score1 = new int[1];
int[] class_score2 = new int[1], count_score2 = new int[1];
try {
c1 = find_helper_class1(seq1, helper_type, class_score1, count_score1);
} catch (ClassNotFoundException e) {
cnfe1 = e;
} // hang on, we may need to re-throw later.
Class gaussian_class = Class.forName("riso.distributions.Gaussian");
MixGaussians mog = new MixGaussians(1, 1);
Vector seq2 = new Vector(seq1.size());
for (int i = 0; i < seq1.size(); i++)
if (gaussian_class.isAssignableFrom((Class) seq1.elementAt(i)))
seq2.addElement(mog.getClass());
else seq2.addElement(seq1.elementAt(i));
try {
c2 = find_helper_class1(seq2, helper_type, class_score2, count_score2);
} catch (ClassNotFoundException e) {
cnfe2 = e;
}
if (cnfe1 == null && cnfe2 == null) {
// Both matched; see which one fits better.
// Break ties in favor of the helper for non-promoted messages.
if (class_score1[0] >= class_score2[0]
|| (class_score1[0] == class_score2[0] && count_score1[0] >= count_score2[0])) {
if (Global.debug > 1)
System.err.println(
"\taccept helper " + c1 + " for non-promoted classes instead of " + c2);
if (Global.debug > 1)
System.err.println(
"\t\t"
+ class_score1[0]
+ ", "
+ class_score2[0]
+ "; "
+ count_score1[0]
+ ", "
+ count_score2[0]);
helper_cache.put(new HelperCacheKey(helper_type, seq1), c1);
return c1;
} else {
if (Global.debug > 1)
System.err.println("\taccept helper " + c2 + " for promoted classes instead of " + c1);
if (Global.debug > 1)
System.err.println(
"\t\t"
+ class_score1[0]
+ ", "
+ class_score2[0]
+ "; "
+ count_score1[0]
+ ", "
+ count_score2[0]);
helper_cache.put(new HelperCacheKey(helper_type, seq1), c2);
return c2;
}
} else if (cnfe1 == null && cnfe2 != null) {
// Only the first try matched, return it.
helper_cache.put(new HelperCacheKey(helper_type, seq1), c1);
return c1;
} else if (cnfe1 != null && cnfe2 == null) {
// Only the second try matched, return it.
helper_cache.put(new HelperCacheKey(helper_type, seq1), c2);
return c2;
} else {
// Neither try matched. Re-throw the exception generated by the first try.
throw cnfe1;
}
}
public void exit() throws RemoteException {
System.exit(0);
}
public class NotActivatableServerImpl extends UnicastRemoteObject
implements NotActivatableInterface {
private static final String PROG_NAME = "NotActivatableServerImpl";
private static final String SERVER_OBJECT = "NotActivatableServer";
private static final String CLASS_NAME = "activation.NotActivatableServerImpl";
private static final String POLICY_FILE = "policy_file";
private static final String USER_DIR = System.getProperty("user.dir").replace('\\', '/');
private static final String CODE_LOCATION = "file:" + USER_DIR + "/";
private static final MarshalledObject DATA = null;
private static ActivationDesc ACTIVATION_DESC = null;
public NotActivatableServerImpl() throws RemoteException {}
public void ping() throws RemoteException {}
public void exit() throws RemoteException {
System.exit(0);
}
private static void setup() {
try {
NotActivatableInterface rsi; // Remote server interface
System.setSecurityManager(new RMISecurityManager());
rsi = (NotActivatableInterface) Activatable.register(ACTIVATION_DESC);
System.out.println("Got stub for " + SERVER_OBJECT + " implementation");
Naming.rebind(SERVER_OBJECT, rsi);
System.out.println("Exported " + SERVER_OBJECT + " implementation");
} catch (Exception e) {
System.err.println("Exception: " + e);
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
Properties props = new Properties();
props.setProperty("java.security.policy", POLICY_FILE);
ActivationGroupDesc agd = new ActivationGroupDesc(props, null);
ActivationGroupID agid = ActivationGroup.getSystem().registerGroup(agd);
ACTIVATION_DESC = new ActivationDesc(agid, CLASS_NAME, CODE_LOCATION, DATA, false);
} catch (Exception e) {
System.err.println("Exception: " + e);
e.printStackTrace();
}
setup();
}
}
public static void main(String args[]) {
if (args.length != 2) {
System.err.println("Uso: ObservadorCentralita hostregistro numPuertoRegistro");
return;
}
// Instancia gestor de seguridad
if (System.getSecurityManager() == null) {
System.setSecurityManager(new SecurityManager());
}
try {
// Obtiene referencia remota del servicio de rmiregistry
ServicioCentralita srv =
(ServicioCentralita) Naming.lookup("//" + args[0] + ":" + args[1] + "/Centralita");
// | |-> Número de
// puerto escucha
// |-> Host en el que se ejecuta el
// servicio
String nombreServicio = "default";
while (nombreServicio == "default") {
// Captura el nombre del servicio
System.out.println(
"Elija el servicio:\n\t[1] Bomberos\n\t[2] Sanitarios\n\t[3] Policía\n\t[4] Guardia Civil");
Scanner input = new Scanner(System.in);
String tipoServicio = input.nextLine();
switch (tipoServicio) {
case "1":
nombreServicio = "Bomberos";
break;
case "2":
nombreServicio = "Sanitarios";
break;
case "3":
nombreServicio = "Policia";
break;
case "4":
nombreServicio = "Guardia Civil";
break;
default:
nombreServicio = "default";
break;
}
}
// Crea nuevo observador y lo registra en la lista
ObservadorImpl o = new ObservadorImpl(nombreServicio);
// Llamada al método remoto 'addObservador' del servicio
srv.addObservador(o, nombreServicio);
// Comrpeuba el nombre del servicio para imprimir código de color
if (nombreServicio.equals("Bomberos")) {
System.out.println(
"\u001B[31mObservador " + nombreServicio + " registrado en la centralita\u001B[0m\n");
} else if (nombreServicio.equals("Sanitarios")) {
System.out.println(
"\u001B[35mObservador " + nombreServicio + " registrado en la centralita\u001B[0m\n");
} else if (nombreServicio.equals("Policia")) {
System.out.println(
"\u001B[34mObservador " + nombreServicio + " registrado en la centralita\u001B[0m\n");
} else if (nombreServicio.equals("Guardia Civil")) {
System.out.println(
"\u001B[32mObservador " + nombreServicio + " registrado en la centralita\u001B[0m\n");
}
// Se mantiene esperando hasta que se para con Ctrl+D
System.out.println("Para salir, pulsar Ctrl+D\n");
Scanner sleep = new Scanner(System.in);
while (sleep.hasNextInt()) {}
// Elimina de la lista al observador. Llamada al método remoto 'delObservador' del servicio
srv.delObservador(o, nombreServicio);
System.exit(0);
}
// Excepción RMI
catch (RemoteException e) {
System.err.println("Error de comunicación: " + e.toString());
}
// Excepción cliente
catch (Exception e) {
System.err.println("Excepción en ObservadorCentralita: ");
e.printStackTrace();
}
}
public static void main(String args[]) {
sameGroup = true;
RMID rmid = null;
System.err.println("\nRegression test for bug/rfe 4179055\n");
try {
TestLibrary.suggestSecurityManager("java.lang.SecurityManager");
registry = java.rmi.registry.LocateRegistry.createRegistry(TestLibrary.REGISTRY_PORT);
// must run with java.lang.SecurityManager or the test
// result will be nullified if running with a build where
// 4180392 has not been fixed.
String smClassName = System.getSecurityManager().getClass().getName();
if (!smClassName.equals("java.lang.SecurityManager")) {
TestLibrary.bomb("Test must run with java.lang.SecurityManager");
}
// start an rmid.
RMID.removeLog();
rmid = RMID.createRMID();
rmid.start();
// rmid.addOptions(new String[] {"-C-Djava.rmi.server.logCalls=true"});
// Ensure that activation groups run with the correct
// security manager.
//
Properties p = new Properties();
p.put("java.security.policy", TestParams.defaultGroupPolicy);
p.put("java.security.manager", "java.lang.SecurityManager");
// This action causes the following classes to be created
// in this VM (RMI must permit the creation of these classes):
//
// sun.rmi.server.Activation$ActivationSystemImpl_Stub
// sun.rmi.server.Activation$ActivationMonitorImpl_Stub
//
System.err.println("Create activation group, in a new VM");
ActivationGroupDesc groupDesc = new ActivationGroupDesc(p, null);
ActivationSystem system = ActivationGroup.getSystem();
ActivationGroupID groupID = system.registerGroup(groupDesc);
System.err.println("register activatable");
// Fix for: 4271615: make sure activation group runs in a new VM
ActivationDesc desc = new ActivationDesc(groupID, "StubClassesPermitted", null, null);
canCreateStubs = (CanCreateStubs) Activatable.register(desc);
// ensure registry stub can be passed in a remote call
System.err.println("getting the registry");
registry = canCreateStubs.getRegistry();
// make sure a client cant load just any sun.* class, just
// as a sanity check, try to create a class we are not
// allowed to access but which was passed in a remote call
try {
System.err.println("accessing forbidden class");
Object secureRandom = canCreateStubs.getForbiddenClass();
TestLibrary.bomb(
"test allowed to access forbidden class," + " sun.security.provider.SecureRandom");
} catch (java.security.AccessControlException e) {
// Make sure we received a *local* AccessControlException
ByteArrayOutputStream bout = new ByteArrayOutputStream();
PrintStream ps = new PrintStream(bout);
e.printStackTrace(ps);
ps.flush();
String trace = new String(bout.toByteArray());
if ((trace.indexOf("exceptionReceivedFromServer") >= 0) || trace.equals("")) {
throw e;
}
System.err.println("received expected local access control exception");
}
// make sure that an ActivationGroupID can be passed in a
// remote call; this is slightly more inclusive than
// just passing a reference to the activation system
System.err.println("returning group desc");
canCreateStubs.returnGroupID();
// Clean up object
System.err.println("Deactivate object via method call");
canCreateStubs.shutdown();
System.err.println("\nsuccess: StubClassesPermitted test passed ");
} catch (Exception e) {
TestLibrary.bomb("\nfailure: unexpected exception ", e);
} finally {
try {
Thread.sleep(4000);
} catch (InterruptedException e) {
}
canCreateStubs = null;
ActivationLibrary.rmidCleanup(rmid);
System.err.println("rmid shut down");
}
}
