public static void eraseIndex(User user, String indexName)
throws SearchLibException, NamingException, IOException {
if (user != null && !user.isAdmin()) throw new SearchLibException("Operation not permitted");
File indexDir = getIndexDirectory(indexName);
Client client = null;
synchronized (ClientCatalog.class) {
clientsLock.r.lock();
try {
client = CLIENTS.get(indexDir);
} finally {
clientsLock.r.unlock();
}
if (client != null) {
client.close();
client.delete();
} else FileUtils.deleteDirectory(indexDir);
if (client != null) {
clientsLock.w.lock();
try {
CLIENTS.remove(client.getDirectory());
} finally {
clientsLock.w.unlock();
}
PushEvent.eventClientSwitch.publish(client);
}
}
}
/** Expert: Make multiple, parallel calls to a set of servers. */
public static Object[] call(
Method method,
Object[][] params,
InetSocketAddress[] addrs,
UserGroupInformation ticket,
Configuration conf)
throws IOException {
Invocation[] invocations = new Invocation[params.length];
for (int i = 0; i < params.length; i++) invocations[i] = new Invocation(method, params[i]);
Client client = CLIENTS.getClient(conf);
try {
Writable[] wrappedValues =
client.call(invocations, addrs, method.getDeclaringClass(), ticket);
if (method.getReturnType() == Void.TYPE) {
return null;
}
Object[] values = (Object[]) Array.newInstance(method.getReturnType(), wrappedValues.length);
for (int i = 0; i < values.length; i++)
if (wrappedValues[i] != null) values[i] = ((ObjectWritable) wrappedValues[i]).get();
return values;
} finally {
CLIENTS.stopClient(client);
}
}
static void reqGetSelectionOwner(Client c) throws IOException {
int foo;
int selection;
IO io = c.client;
selection = io.readInt();
c.length -= 2;
if (!Atom.valid(selection)) {
c.errorValue = selection;
c.errorReason = 5; // BadAtom
return;
}
synchronized (io) {
io.writeByte(1);
Selection s = getSelection(selection);
io.writePad(1);
io.writeShort(c.seq);
io.writeInt(0);
if (s != null) {
io.writeInt(s.wid);
} else {
io.writeInt(0);
}
io.writePad(20);
io.flush();
}
}
/** Test the http protocol handler with one WWW-Authenticate header with the value "NTLM". */
static void testNTLM() throws Exception {
// server reply
String reply = authReplyFor("NTLM");
System.out.println("====================================");
System.out.println("Expect client to fail with 401 Unauthorized");
System.out.println(reply);
try (ServerSocket ss = new ServerSocket(0)) {
Client client = new Client(ss.getLocalPort());
Thread thr = new Thread(client);
thr.start();
// client ---- GET ---> server
// client <--- 401 ---- client
try (Socket s = ss.accept()) {
new MessageHeader().parseHeader(s.getInputStream());
s.getOutputStream().write(reply.getBytes("US-ASCII"));
}
// the client should fail with 401
System.out.println("Waiting for client to terminate");
thr.join();
IOException ioe = client.ioException();
if (ioe != null) System.out.println("Client failed: " + ioe);
int respCode = client.respCode();
if (respCode != 0 && respCode != -1)
System.out.println("Client received HTTP response code: " + respCode);
if (respCode != HttpURLConnection.HTTP_UNAUTHORIZED)
throw new RuntimeException("Unexpected response code");
}
}
/**
* ( begin auto-generated from Server_available.xml )
*
* <p>Returns the next client in line with a new message.
*
* <p>( end auto-generated )
*
* @brief Returns the next client in line with a new message.
* @webref server
* @usage application
*/
public Client available() {
synchronized (clients) {
int index = lastAvailable + 1;
if (index >= clientCount) index = 0;
for (int i = 0; i < clientCount; i++) {
int which = (index + i) % clientCount;
Client client = clients[which];
// Check for valid client
if (!client.active()) {
removeIndex(which); // Remove dead client
i--; // Don't skip the next client
// If the client has data make sure lastAvailable
// doesn't end up skipping the next client
which--;
// fall through to allow data from dead clients
// to be retreived.
}
if (client.available() > 0) {
lastAvailable = which;
return client;
}
}
}
return null;
}
static void reqListProperties(Client c) throws IOException {
int foo, n;
IO io = c.client;
foo = io.readInt();
Window w = c.lookupWindow(foo);
c.length -= 2;
if (w == null) {
c.errorValue = foo;
c.errorReason = 3; // BadWindow;
return;
}
synchronized (io) {
io.writeByte(1);
Property p = w.getProperty();
int i = 0;
while (p != null) {
i++;
p = p.next;
}
io.writePad(1);
io.writeShort(c.seq);
io.writeInt(i);
io.writeShort(i);
io.writePad(22);
p = w.getProperty();
while (p != null) {
io.writeInt(p.propertyName);
p = p.next;
}
io.flush();
}
}
public static void main(String[] args) {
stat.addDescription("ejb-ejb30-hello-dcode");
Client client = new Client(args);
client.doTest();
stat.printSummary("ejb-ejb30-hello-dcodeID");
}
/** The listener method. */
public void actionPerformed(ActionEvent event) {
Object source = event.getSource();
if (source == b1) // click button
{
try {
String message = tf.getText();
server.sendPrivateMessage(parent, selfIdentity, message);
ta.append("<" + parent.getUserName() + ">: " + message + lineSeparator);
ta.setCaretPosition(ta.getText().length());
tf.setText("");
} catch (RemoteException ex) {
System.out.print("Exception encountered while sending" + " private message.");
}
}
if (source == tf) // press return
{
try {
String message = tf.getText();
server.sendPrivateMessage(parent, selfIdentity, message);
ta.append("<" + parent.getUserName() + ">: " + message + lineSeparator);
ta.setCaretPosition(ta.getText().length());
tf.setText("");
} catch (RemoteException ex) {
System.out.print("Exception encountered while sending" + " private message.");
}
}
if (source == jMenuItem3) {
JFileChooser fileChooser = new JFileChooser();
fileChooser.setDialogTitle("Choose or create a new file to store the conversation");
fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
fileChooser.setDoubleBuffered(true);
fileChooser.showOpenDialog(this);
File file = fileChooser.getSelectedFile();
try {
if (file != null) {
Writer writer = new BufferedWriter(new FileWriter(file));
writer.write(ta.getText());
writer.flush();
writer.close();
}
} catch (IOException ex) {
System.out.println("Can't write to file. " + ex);
}
}
if (source == jMenuItem4) {
selfRemove();
this.dispose();
}
}
/**
* This method updates the relevant sections of the GUI when a new LookReply and RenderHint are
* received from the server.
*/
public void updateGUI(char[][] newCells, String[] newRenderHint, boolean ourTurn) {
char[] playerDirections = processRenderHint(newRenderHint);
boolean hasLantern = (newCells[0].length == 7); // the size of the lookreply determines whether
// the player has a lantern
dungeonPanel.updateCells(newCells, hasLantern, playerDirections); // updates the map panel
int goldHeld = client.getGoldHeld();
int goldNeeded = client.getGoldNeeded();
dungeonPanelOverlay.updateOverlay(hasLantern, ourTurn, goldHeld, goldNeeded);
// updates the overlay
}
/**
* Stop a RPC client connection A RPC client is closed only when its reference count becomes
* zero.
*/
private void stopClient(Client client) {
synchronized (this) {
client.decCount();
if (client.isZeroReference()) {
clients.remove(client.getSocketFactory());
}
}
if (client.isZeroReference()) {
client.stop();
}
}
public static final long countAllDocuments() throws IOException, SearchLibException {
long count = 0;
clientsLock.r.lock();
try {
for (Client client : CLIENTS.values()) {
if (client.isTrueReplicate()) continue;
count += client.getStatistics().getNumDocs();
}
} finally {
clientsLock.r.unlock();
}
return count;
}
public static final void closeIndex(String indexName) throws SearchLibException {
Client client = null;
clientsLock.w.lock();
try {
File indexDirectory = getIndexDirectory(indexName);
client = CLIENTS.get(indexDirectory);
if (client == null) return;
Logging.info("Closing client " + indexName);
client.close();
CLIENTS.remove(indexDirectory);
} finally {
clientsLock.w.unlock();
}
if (client != null) PushEvent.eventClientSwitch.publish(client);
}
/**
* Construct & cache an IPC client with the user-provided SocketFactory if no cached client
* exists.
*
* @param conf Configuration
* @return an IPC client
*/
private synchronized Client getClient(Configuration conf, SocketFactory factory) {
// Construct & cache client. The configuration is only used for timeout,
// and Clients have connection pools. So we can either (a) lose some
// connection pooling and leak sockets, or (b) use the same timeout for all
// configurations. Since the IPC is usually intended globally, not
// per-job, we choose (a).
Client client = clients.get(factory);
if (client == null) {
client = new Client(ObjectWritable.class, conf, factory);
clients.put(factory, client);
} else {
client.incCount();
}
return client;
}
public static final void closeAll() {
synchronized (ClientCatalog.class) {
clientsLock.r.lock();
try {
for (Client client : CLIENTS.values()) {
if (client == null) continue;
Logging.info("OSS unloads index " + client.getIndexName());
client.close();
}
} finally {
clientsLock.r.unlock();
}
rendererResults.release();
}
}
public static void main(String[] args) throws IOException {
for (int i = 0; i < 10; i++) {
new Thread(
() -> {
Client client = new Client();
try {
client.startClient(args[0]);
} catch (IOException e) {
e.printStackTrace();
}
})
.start();
}
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
final boolean logDebug = LOG.isDebugEnabled();
long startTime = 0;
if (logDebug) {
startTime = System.currentTimeMillis();
}
ObjectWritable value = null;
try {
value =
(ObjectWritable)
client.call(
new Invocation(method, args), getAddress(), protocol, ticket, rpcTimeout);
} catch (RemoteException re) {
throw re;
} catch (ConnectException ce) {
needCheckDnsUpdate = true;
throw ce;
} catch (NoRouteToHostException nrhe) {
needCheckDnsUpdate = true;
throw nrhe;
} catch (PortUnreachableException pue) {
needCheckDnsUpdate = true;
throw pue;
} catch (UnknownHostException uhe) {
needCheckDnsUpdate = true;
throw uhe;
}
if (logDebug) {
long callTime = System.currentTimeMillis() - startTime;
LOG.debug("Call: " + method.getName() + " " + callTime);
}
return value.get();
}
/** start_notification */
public synchronized void start_notification() throws RemoteException {
JOptionPane.showMessageDialog(
null,
"Le serveur est connecté de nouveau",
"Notification du client",
JOptionPane.INFORMATION_MESSAGE);
srv_state = true;
try {
for (int i = 0; i < J.getnbrcon(); i++) {
if (J.list_con()[i].compareTo(C.get_nom()) != 0) {
C.ajout(J.list_con()[i]);
}
}
} catch (RemoteException ex) {
}
}
private static List<Client> findDepends(String indexName) {
clientsLock.r.lock();
try {
ArrayList<Client> list = new ArrayList<Client>();
for (Client client : CLIENTS.values()) {
IndexConfig indexConfig = client.getIndex().getIndexConfig();
if (indexConfig.isMulti())
if (indexConfig.isIndexMulti(indexName)) {
list.add(client);
}
}
return list;
} finally {
clientsLock.r.unlock();
}
}
/**
* ( begin auto-generated from Server_disconnect.xml )
*
* <p>Disconnect a particular client.
*
* <p>( end auto-generated )
*
* @brief Disconnect a particular client.
* @webref server:server
* @param client the client to disconnect
*/
public void disconnect(Client client) {
client.stop();
int index = clientIndex(client);
if (index != -1) {
removeIndex(index);
}
}
static void reqChangeProperty(Client c) throws IOException {
int foo;
byte mode;
int prpty;
byte frmt;
int typ;
int n;
IO io = c.client;
mode = (byte) c.data;
if ((mode != PropModeReplace) && (mode != PropModeAppend) && (mode != PropModePrepend)) {
// System.err.println("error!!");
c.errorValue = mode;
c.errorReason = 2; // BadValue;
}
n = c.length;
;
foo = io.readInt();
Window w = c.lookupWindow(foo);
if (c.errorReason == 0 && w == null) {
c.errorValue = foo;
c.errorReason = 3; // BadWindow;
}
prpty = io.readInt();
typ = io.readInt();
frmt = (byte) io.readByte();
if (c.errorReason == 0 && (frmt != 8) && (frmt != 16) && (frmt != 32)) {
c.errorValue = frmt;
c.errorReason = 3; // BadWindow;
}
io.readPad(3);
foo = io.readInt();
int totalSize = foo * (frmt / 8);
byte[] bar = null;
if (totalSize > 0) {
bar = new byte[totalSize];
io.readByte(bar, 0, totalSize);
if (c.swap) {
switch (frmt) {
case 16:
swapS(bar, 0, totalSize);
break;
case 32:
swapL(bar, 0, totalSize);
break;
default:
}
}
io.readPad((-totalSize) & 3);
}
c.length = 0;
if (c.errorReason != 0) {
return;
}
changeWindowProperty(c, w, prpty, typ, frmt, mode, foo, bar, true);
}
///
/// Lit une requete depuis le Terminal, envoie cette requete au serveur,
/// recupere sa reponse et l'affiche sur le Terminal.
/// Noter que le programme bloque si le serveur ne repond pas.
///
public static void main(String argv[]) {
String host = DEFAULT_HOST;
int port = DEFAULT_PORT;
if (argv.length >= 1) host = argv[0];
if (argv.length >= 2) port = Integer.parseInt(argv[1]);
Client client = null;
try {
client = new Client(host, port);
} catch (Exception e) {
System.err.println("Client: Couldn't connect to " + host + ":" + port);
System.exit(1);
}
System.out.println("Client connected to " + host + ":" + port);
// pour lire depuis la console
BufferedReader cin = new BufferedReader(new InputStreamReader(System.in));
while (true) {
System.out.print(""); // ne marche pas sans.
/* try {
String request = cin.readLine();
String response = client.send(request);
System.out.println("Response: " + response);
}
catch (java.io.IOException e) {
System.err.println("Client: IO error");
return;
}*/
// try {
String request = "";
String response = "";
if (client.windows.getCommand() != "") {
request = client.windows.getCommand();
client.windows.setCommand("");
response = client.send(request);
client.windows.setTextArea(response);
}
// }
// catch (java.io.IOException e) {
// System.err.println("Client: IO error");
// return;
// }
}
}
static void reqDeleteProperty(Client c) throws IOException {
int foo, propty;
IO io = c.client;
foo = io.readInt();
Window w = c.lookupWindow(foo);
if (w == null) {
c.errorValue = foo;
c.errorReason = 3; // BadWindow;
}
propty = foo = io.readInt();
c.length -= 3;
if (c.errorReason != 0) {
return;
}
if (w.parent != null) {
Property.delProperty(c, w, propty, 0);
}
}
/** close_notification */
public synchronized void close_notification() throws RemoteException {
JOptionPane.showMessageDialog(
null,
"Le serveur est injoignable pour le moment",
"Erreur distante",
JOptionPane.INFORMATION_MESSAGE);
srv_state = false;
C.initialiser();
}
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) {
}
}
}
/**
* Overriding the parent class behavior, this sends this simulator's current output message to the
* server, rather than to other local simulators or coordinators.
*/
public void sendMessages() {
// if this simulator's output message is non-empty
if (!output.isEmpty()) {
// send the output message to the server
client.sendMessageToServer(output.toString());
// clear the output message
output = new message();
}
}
public static final boolean receive_file_exists(
Client client, String filePath, long lastModified, long length) throws IOException {
File existsFile = new File(client.getDirectory(), filePath);
if (!existsFile.exists()) return false;
if (existsFile.lastModified() != lastModified) return false;
if (existsFile.length() != length) return false;
File rootDir = getTempReceiveDir(client);
IOUtils.appendLines(new File(rootDir, PATH_TO_MOVE), filePath);
return true;
}
public static void receive_merge(WebApp webapp, Client client)
throws SearchLibException, IOException {
File tempDir = getTempReceiveDir(client);
File clientDir = client.getDirectory();
Client newClient = null;
lockClientDir(clientDir);
try {
client.close();
new ReplicationMerge(tempDir, clientDir);
newClient =
ClientFactory.INSTANCE.newClient(
clientDir, true, true, ClientFactory.INSTANCE.properties.getSilentBackupUrl());
newClient.writeReplCheck();
} finally {
unlockClientDir(clientDir, newClient);
}
PushEvent.eventClientSwitch.publish(client);
FileUtils.deleteDirectory(tempDir);
}
public static void main(String argv[]) {
if (argv.length != 1) {
System.out.println("java Irc <name>");
return;
}
myName = argv[0];
// initialize the system
Client.init();
// look up the IRC object in the name server
// if not found, create it, and register it in the name server
Sentence_itf s = (Sentence_itf) Client.lookup("IRC");
if (s == null) {
s = (Sentence_itf) Client.create(new Sentence());
Client.register("IRC", s);
}
// create the graphical part
new Irc(s);
}
public static void receive_switch(WebApp webapp, Client client)
throws SearchLibException, NamingException, IOException {
File trashDir = getTrashReceiveDir(client);
File clientDir = client.getDirectory();
if (trashDir.exists()) FileUtils.deleteDirectory(trashDir);
Client newClient = null;
List<Client> clientDepends = findDepends(client.getIndexName());
lockClientDir(clientDir);
try {
lockClients(clientDepends);
closeClients(clientDepends);
try {
client.trash(trashDir);
getTempReceiveDir(client).renameTo(clientDir);
File pathToMoveFile = new File(clientDir, PATH_TO_MOVE);
if (pathToMoveFile.exists()) {
for (String pathToMove : FileUtils.readLines(pathToMoveFile)) {
File from = new File(trashDir, pathToMove);
File to = new File(clientDir, pathToMove);
FileUtils.moveFile(from, to);
}
if (!pathToMoveFile.delete())
throw new IOException("Unable to delete the file: " + pathToMoveFile.getAbsolutePath());
}
newClient =
ClientFactory.INSTANCE.newClient(
clientDir, true, true, ClientFactory.INSTANCE.properties.getSilentBackupUrl());
newClient.writeReplCheck();
} finally {
unlockClients(clientDepends);
}
} finally {
unlockClientDir(clientDir, newClient);
}
PushEvent.eventClientSwitch.publish(client);
FileUtils.deleteDirectory(trashDir);
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
long startTime = 0;
if (LOG.isDebugEnabled()) {
startTime = Time.now();
}
ObjectWritable value =
(ObjectWritable)
client.call(RPC.RpcKind.RPC_WRITABLE, new Invocation(method, args), remoteId);
if (LOG.isDebugEnabled()) {
long callTime = Time.now() - startTime;
LOG.debug("Call: " + method.getName() + " " + callTime);
}
return value.get();
}