Examples with Ack io.socket.client.Ack used on opensource projects

Example 1 with Ack

use of io.socket.client.Ack in project ignite by apache.

the class AbstractListener method call.

/**
 * {@inheritDoc}
 */
@SuppressWarnings("unchecked")
@Override
public final void call(Object... args) {
    final Ack cb = safeCallback(args);
    args = removeCallback(args);
    try {
        final Map<String, Object> params;
        if (args == null || args.length == 0)
            params = Collections.emptyMap();
        else if (args.length == 1)
            params = fromJSON(args[0], Map.class);
        else
            throw new IllegalArgumentException("Wrong arguments count, must be <= 1: " + Arrays.toString(args));
        if (pool == null)
            pool = newThreadPool();
        pool.submit(new Runnable() {

            @Override
            public void run() {
                try {
                    Object res = execute(params);
                    // We can GZip manually for now.
                    if (res instanceof RestResult) {
                        RestResult restRes = (RestResult) res;
                        if (restRes.getData() != null) {
                            ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
                            Base64OutputStream b64os = new Base64OutputStream(baos, true, 0, null);
                            GZIPOutputStream gzip = new GZIPOutputStream(b64os);
                            gzip.write(restRes.getData().getBytes(UTF8));
                            gzip.close();
                            restRes.zipData(baos.toString());
                        }
                    }
                    cb.call(null, toJSON(res));
                } catch (Exception e) {
                    cb.call(e, null);
                }
            }
        });
    } catch (Exception e) {
        cb.call(e, null);
    }
}

Example 2 with Ack

use of io.socket.client.Ack in project ignite by apache.

the class DemoListener method start.

/**
 * Start broadcast topology to server-side.
 */
public Emitter.Listener start() {
    return new Emitter.Listener() {

        @Override
        public void call(final Object... args) {
            final Ack demoStartCb = safeCallback(args);
            final long timeout = args.length > 1 && args[1] instanceof Long ? (long) args[1] : DFLT_TIMEOUT;
            if (refreshTask != null)
                refreshTask.cancel(true);
            final CountDownLatch latch = AgentClusterDemo.tryStart();
            pool.schedule(new Runnable() {

                @Override
                public void run() {
                    try {
                        U.await(latch);
                        demoStartCb.call();
                        refreshTask = pool.scheduleWithFixedDelay(new Runnable() {

                            @Override
                            public void run() {
                                try {
                                    RestResult top = restExecutor.topology(true, true);
                                    client.emit(EVENT_DEMO_TOPOLOGY, toJSON(top));
                                } catch (IOException e) {
                                    log.info("Lost connection to the demo cluster", e);
                                    // TODO WTF????
                                    stop().call();
                                }
                            }
                        }, 0L, timeout, TimeUnit.MILLISECONDS);
                    } catch (Exception e) {
                        demoStartCb.call(e);
                    }
                }
            }, 0, TimeUnit.MILLISECONDS);
        }
    };
}

Example 3 with Ack

use of io.socket.client.Ack in project ignite by apache.

the class AgentLauncher method main.

/**
 * @param args Args.
 */
public static void main(String[] args) throws Exception {
    log.info("Starting Apache Ignite Web Console Agent...");
    final AgentConfiguration cfg = new AgentConfiguration();
    JCommander jCommander = new JCommander(cfg);
    String osName = System.getProperty("os.name").toLowerCase();
    jCommander.setProgramName("ignite-web-agent." + (osName.contains("win") ? "bat" : "sh"));
    try {
        jCommander.parse(args);
    } catch (ParameterException pe) {
        log.error("Failed to parse command line parameters: " + Arrays.toString(args), pe);
        jCommander.usage();
        return;
    }
    String prop = cfg.configPath();
    AgentConfiguration propCfg = new AgentConfiguration();
    try {
        File f = AgentUtils.resolvePath(prop);
        if (f == null)
            log.warn("Failed to find agent property file: {}", prop);
        else
            propCfg.load(f.toURI().toURL());
    } catch (IOException e) {
        if (!AgentConfiguration.DFLT_CFG_PATH.equals(prop))
            log.warn("Failed to load agent property file: " + prop, e);
    }
    cfg.merge(propCfg);
    if (cfg.help()) {
        jCommander.usage();
        return;
    }
    System.out.println();
    System.out.println("Agent configuration:");
    System.out.println(cfg);
    System.out.println();
    if (cfg.tokens() == null) {
        String webHost;
        try {
            webHost = new URI(cfg.serverUri()).getHost();
        } catch (URISyntaxException e) {
            log.error("Failed to parse Ignite Web Console uri", e);
            return;
        }
        System.out.println("Security token is required to establish connection to the web console.");
        System.out.println(String.format("It is available on the Profile page: https://%s/profile", webHost));
        String tokens = String.valueOf(readPassword("Enter security tokens separated by comma: "));
        cfg.tokens(Arrays.asList(tokens.trim().split(",")));
    }
    URI uri = URI.create(cfg.serverUri());
    // Create proxy authenticator using passed properties.
    switch(uri.getScheme()) {
        case "http":
        case "https":
            final String username = System.getProperty(uri.getScheme() + ".proxyUsername");
            final char[] pwd = System.getProperty(uri.getScheme() + ".proxyPassword", "").toCharArray();
            Authenticator.setDefault(new Authenticator() {

                @Override
                protected PasswordAuthentication getPasswordAuthentication() {
                    return new PasswordAuthentication(username, pwd);
                }
            });
            break;
        default:
    }
    IO.Options opts = new IO.Options();
    opts.path = "/agents";
    // Workaround for use self-signed certificate
    if (Boolean.getBoolean("trust.all")) {
        SSLContext ctx = SSLContext.getInstance("TLS");
        // Create an SSLContext that uses our TrustManager
        ctx.init(null, getTrustManagers(), null);
        opts.sslContext = ctx;
    }
    final Socket client = IO.socket(uri, opts);
    final RestExecutor restExecutor = new RestExecutor(cfg.nodeUri());
    try {
        final ClusterListener clusterLsnr = new ClusterListener(client, restExecutor);
        final DemoListener demoHnd = new DemoListener(client, restExecutor);
        Emitter.Listener onConnect = new Emitter.Listener() {

            @Override
            public void call(Object... args) {
                log.info("Connection established.");
                JSONObject authMsg = new JSONObject();
                try {
                    authMsg.put("tokens", toJSON(cfg.tokens()));
                    authMsg.put("disableDemo", cfg.disableDemo());
                    String clsName = AgentLauncher.class.getSimpleName() + ".class";
                    String clsPath = AgentLauncher.class.getResource(clsName).toString();
                    if (clsPath.startsWith("jar")) {
                        String manifestPath = clsPath.substring(0, clsPath.lastIndexOf('!') + 1) + "/META-INF/MANIFEST.MF";
                        Manifest manifest = new Manifest(new URL(manifestPath).openStream());
                        Attributes attr = manifest.getMainAttributes();
                        authMsg.put("ver", attr.getValue("Implementation-Version"));
                        authMsg.put("bt", attr.getValue("Build-Time"));
                    }
                    client.emit("agent:auth", authMsg, new Ack() {

                        @Override
                        public void call(Object... args) {
                            if (args != null) {
                                if (args[0] instanceof String) {
                                    log.error((String) args[0]);
                                    System.exit(1);
                                }
                                if (args[0] == null && args[1] instanceof JSONArray) {
                                    try {
                                        List<String> activeTokens = fromJSON(args[1], List.class);
                                        if (!F.isEmpty(activeTokens)) {
                                            Collection<String> missedTokens = cfg.tokens();
                                            cfg.tokens(activeTokens);
                                            missedTokens.removeAll(activeTokens);
                                            if (!F.isEmpty(missedTokens)) {
                                                String tokens = F.concat(missedTokens, ", ");
                                                log.warn("Failed to authenticate with token(s): {}. " + "Please reload agent archive or check settings", tokens);
                                            }
                                            log.info("Authentication success.");
                                            clusterLsnr.watch();
                                            return;
                                        }
                                    } catch (Exception e) {
                                        log.error("Failed to authenticate agent. Please check agent\'s tokens", e);
                                        System.exit(1);
                                    }
                                }
                            }
                            log.error("Failed to authenticate agent. Please check agent\'s tokens");
                            System.exit(1);
                        }
                    });
                } catch (JSONException | IOException e) {
                    log.error("Failed to construct authentication message", e);
                    client.close();
                }
            }
        };
        DatabaseListener dbHnd = new DatabaseListener(cfg);
        RestListener restHnd = new RestListener(restExecutor);
        final CountDownLatch latch = new CountDownLatch(1);
        log.info("Connecting to: {}", cfg.serverUri());
        client.on(EVENT_CONNECT, onConnect).on(EVENT_CONNECT_ERROR, onError).on(EVENT_ERROR, onError).on(EVENT_DISCONNECT, onDisconnect).on(EVENT_LOG_WARNING, onLogWarning).on(EVENT_CLUSTER_BROADCAST_START, clusterLsnr.start()).on(EVENT_CLUSTER_BROADCAST_STOP, clusterLsnr.stop()).on(EVENT_DEMO_BROADCAST_START, demoHnd.start()).on(EVENT_DEMO_BROADCAST_STOP, demoHnd.stop()).on(EVENT_RESET_TOKENS, new Emitter.Listener() {

            @Override
            public void call(Object... args) {
                String tok = String.valueOf(args[0]);
                log.warn("Security token has been reset: {}", tok);
                cfg.tokens().remove(tok);
                if (cfg.tokens().isEmpty()) {
                    client.off();
                    latch.countDown();
                }
            }
        }).on(EVENT_SCHEMA_IMPORT_DRIVERS, dbHnd.availableDriversListener()).on(EVENT_SCHEMA_IMPORT_SCHEMAS, dbHnd.schemasListener()).on(EVENT_SCHEMA_IMPORT_METADATA, dbHnd.metadataListener()).on(EVENT_NODE_VISOR_TASK, restHnd).on(EVENT_NODE_REST, restHnd);
        client.connect();
        latch.await();
    } finally {
        restExecutor.stop();
        client.close();
    }
}