How to use getMaxSessionsAllowed method of com.paypal.selion.proxy.SeLionRemoteProxy class

Best SeLion code snippet using com.paypal.selion.proxy.SeLionRemoteProxy.getMaxSessionsAllowed

Source:SeLionRemoteProxy.java

...140        proxyLogger.info(info.toString());141        info = new StringBuffer();142        if (isEnabledMaxUniqueSessions()) {143            info.append("SeLionRemoteProxy will attempt to recycle the node ");144            info.append(machine).append(":").append(port).append(" after ").append(getMaxSessionsAllowed())145                .append(" unique sessions");146        } else {147            info.append("SeLionRemoteProxy will not attempt to recycle the node ");148            info.append(machine).append(":").append(port).append(" based on unique session counting.");149        }150        proxyLogger.info(info.toString());151        // Enable the cache to store the browser information only when the152        // "com.paypal.selion.grid.servlets.GridStatistics" is enabled - results in153        // better memory management if the servlet is not loaded154        if (isSupportedOnHub(GridStatistics.class)) {155            updateBrowserCache(request);156        }157        // detect presence of SeLion servlet capabilities on proxy158        canForceShutdown = isSupportedOnNode(NodeForceRestartServlet.class);159        canAutoUpgrade = isSupportedOnNode(NodeAutoUpgradeServlet.class);160        canViewLogs = isSupportedOnNode(LogServlet.class);161    }162    /**163     * Determine if the hub supports the servlet in question by looking at the registry configuration.164     * @param servlet165     *            the {@link HttpServlet} to ping166     * @return <code>true</code> or <code>false</code>167     */168    private boolean isSupportedOnHub(Class<? extends HttpServlet> servlet) {169        LOGGER.entering();170        final boolean response = getRegistry().getHub().getConfiguration().servlets.contains(servlet.getCanonicalName());171        LOGGER.exiting(response);172        return response;173    }174    /**175     * Determine if the remote proxy supports the servlet in question by sending a http request to the remote. The176     * proxy configuration could also be used to make a similar decision. This approach allows the remote to use a177     * servlet which implements the same functionality as the `servlet` expected but does not necessarily reside in the178     * same namespace. This method expects the `servlet` to return HTTP 200 OK as an indication that the remote proxy179     * supports the `servlet` in question.180     *181     * @param servlet182     *            the {@link HttpServlet} to ping183     * @return <code>true</code> or <code>false</code>184     */185    private boolean isSupportedOnNode(Class<? extends HttpServlet> servlet) {186        LOGGER.entering();187        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECTION_TIMEOUT)188                .setSocketTimeout(CONNECTION_TIMEOUT).build();189        CloseableHttpClient client = HttpClientBuilder.create().setDefaultRequestConfig(requestConfig).build();190        String url = String.format("http://%s:%d/extra/%s", machine, getRemoteHost().getPort(),191                servlet.getSimpleName());192        try {193            HttpGet get = new HttpGet(url);194            final HttpResponse getResponse = client.execute(get);195            if (getResponse.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {196                proxyLogger.warning("Node " + getId() + " does not have or support " + servlet.getSimpleName());197                LOGGER.exiting(false);198                return false;199            }200        } catch (IOException e) {201            LOGGER.log(Level.SEVERE, e.getMessage(), e);202            LOGGER.exiting(false);203            return false;204        } finally {205            try {206                client.close();207            } catch (IOException e) {208                LOGGER.log(Level.SEVERE, e.getMessage(), e);209            }210        }211        LOGGER.exiting(true);212        return true;213    }214    private HttpResponse sendToNodeServlet(Class<? extends HttpServlet> servlet, List<NameValuePair> nvps) {215        LOGGER.entering();216        RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(CONNECTION_TIMEOUT)217                .setSocketTimeout(CONNECTION_TIMEOUT).build();218        CloseableHttpClient client = HttpClientBuilder.create().setDefaultRequestConfig(requestConfig).build();219        String url = String.format("http://%s:%d/extra/%s", machine, this.getRemoteHost().getPort(),220                servlet.getSimpleName());221        HttpResponse postResponse = null;222        try {223            HttpPost post = new HttpPost(url);224            post.setEntity(new UrlEncodedFormEntity(nvps));225            postResponse = client.execute(post);226        } catch (IOException e) {227            LOGGER.log(Level.SEVERE, e.getMessage(), e);228        } finally {229            try {230                client.close();231            } catch (IOException e) {232                LOGGER.log(Level.SEVERE, e.getMessage(), e);233            }234        }235        LOGGER.exiting(postResponse);236        return postResponse;237    }238    /**239     * Upgrades the node by calling {@link NodeAutoUpgradeServlet} and then {@link #requestNodeShutdown}240     *241     * @param downloadJSON242     *            the download.json to install on node243     * @return <code>true</code> on success. <code>false</code> when an error occured.244     */245    public boolean upgradeNode(String downloadJSON) {246        LOGGER.entering(downloadJSON);247        // verify the servlet is supported on the node248        if (!supportsAutoUpgrade()) {249            LOGGER.exiting(false);250            return false;251        }252        // call the NodeAutoUpgradeServlet on the node253        proxyLogger.fine("Upgrading node " + getId());254        List<NameValuePair> nvps = new ArrayList<>();255        nvps.add(new BasicNameValuePair(NodeAutoUpgradeServlet.TOKEN_PARAMETER,256                NodeAutoUpgradeServlet.CONFIGURED_TOKEN_VALUE));257        NameValuePair jsonNVP = new BasicNameValuePair(GridAutoUpgradeDelegateServlet.PARAM_JSON, downloadJSON);258        nvps.add(jsonNVP);259        HttpResponse response = sendToNodeServlet(NodeAutoUpgradeServlet.class, nvps);260        if (response == null) {261            proxyLogger.warning("Node " + getId() + " failed to upgrade and returned a null response.");262            LOGGER.exiting(false);263            return false;264        }265        final int responseStatusCode = response.getStatusLine().getStatusCode();266        if (responseStatusCode != HttpStatus.SC_OK) {267            proxyLogger.warning("Node " + getId() + " failed to upgrade and returned HTTP " + responseStatusCode);268            LOGGER.exiting(false);269            return false;270        }271        requestNodeShutdown();272        LOGGER.exiting(true);273        return true;274    }275    /**276     * @return whether the proxy has reached the max unique sessions277     */278    private boolean isMaxUniqueSessionsReached() {279        if (!isEnabledMaxUniqueSessions()) {280            return false;281        }282        return totalSessionsStarted >= getMaxSessionsAllowed();283    }284    @Override285    public TestSession getNewSession(Map<String, Object> requestedCapability) {286        LOGGER.entering();287        // verification should be before lock to avoid unnecessarily acquiring lock288        if (isMaxUniqueSessionsReached() || scheduledShutdown) {289            LOGGER.exiting(null);290            return logSessionInfo();291        }292        try {293            accessLock.lock();294            // As per double-checked locking pattern need to have check once again295            // to avoid spawning additional session then maxSessionAllowed296            if (isMaxUniqueSessionsReached() || scheduledShutdown) {297                LOGGER.exiting(null);298                return logSessionInfo();299            }300            TestSession session = super.getNewSession(requestedCapability);301            if (session != null) {302                // count ONLY if the session was a valid one303                totalSessionsStarted++;304                if (isMaxUniqueSessionsReached()) {305                    startNodeRecycleThread();306                }307                proxyLogger.fine("Beginning session #" + totalSessionsStarted + " (" + session.toString() + ")");308            }309            LOGGER.exiting((session != null) ? session.toString() : null);310            return session;311        } finally {312            accessLock.unlock();313        }314    }315    private TestSession logSessionInfo() {316        proxyLogger.fine("Was max sessions reached? " + (isMaxUniqueSessionsReached()) + " on node " + getId());317        proxyLogger.fine("Was this a scheduled shutdown? " + (scheduledShutdown) + " on node " + getId());318        return null;319    }320    private void startNodeRecycleThread() {321        if (!getNodeRecycleThread().isAlive()) {322            getNodeRecycleThread().start();323        }324    }325    private void stopNodeRecycleThread() {326        if (getNodeRecycleThread().isAlive()) {327            try {328                getNodeRecycleThread().shutdown();329                getNodeRecycleThread().join(2000); // Wait no longer than 2x the recycle thread's loop330            } catch (InterruptedException e) { // NOSONAR331                // ignore332            }333        }334    }335    private void updateBrowserCache(RegistrationRequest request) throws MalformedURLException {336        // Update the browser information cache. Used by GridStatics servlet337        for (MutableCapabilities desiredCapabilities : request.getConfiguration().capabilities) {338            Map<String, ?> capabilitiesMap = desiredCapabilities.asMap();339            String browserName = capabilitiesMap.get(CapabilityType.BROWSER_NAME).toString();340            String maxInstancesAsString = capabilitiesMap.get("maxInstances").toString();341            if (StringUtils.isNotBlank(browserName) && StringUtils.isNotBlank(maxInstancesAsString)) {342                int maxInstances = Integer.valueOf(maxInstancesAsString);343                BrowserInformationCache cache = BrowserInformationCache.getInstance();344                cache.updateBrowserInfo(getRemoteHost(), browserName, maxInstances);345            }346        }347    }348    @Override349    public void afterSession(TestSession session) {350        LOGGER.entering();351        totalSessionsCompleted++;352        proxyLogger.fine("Completed session #" + totalSessionsCompleted + " (" + session.toString() + ")");353        proxyLogger.fine("Total number of slots used: " + getTotalUsed() + " on node: " + getId());354        LOGGER.exiting();355    }356    /**357     * Gracefully shuts the node down by;<br>358     * <br>359     * 1. Stops accepting new sessions<br>360     * 2. Waits for sessions to complete<br>361     * 3. Calls {@link #forceNodeShutdown}<br>362     */363    public void requestNodeShutdown() {364        LOGGER.entering();365        scheduledShutdown = true;366        startNodeRecycleThread();367        LOGGER.exiting();368    }369    /**370     * Forcefully shuts the node down by calling {@link NodeForceRestartServlet}371     */372    public synchronized void forceNodeShutdown() {373        LOGGER.entering();374        // stop the node recycle thread375        stopNodeRecycleThread();376        // verify the servlet is supported on the node377        if (!canForceShutdown) {378            // allow this proxy to keep going379            disableMaxSessions();380            scheduledShutdown = false;381            LOGGER.exiting();382            return;383        }384        // clean up the test slots385        for (TestSlot slot : getTestSlots()) {386            if (slot.getSession() != null) {387                totalSessionsCompleted++;388                proxyLogger.info("Timing out session #" + totalSessionsCompleted + " (" + slot.getSession().toString()389                        + ")");390                getRegistry().forceRelease(slot, SessionTerminationReason.TIMEOUT);391            }392        }393        // call the node servlet394        List<NameValuePair> nvps = new ArrayList<>();395        nvps.add(new BasicNameValuePair(NodeForceRestartServlet.TOKEN_PARAMETER,396                NodeForceRestartServlet.CONFIGURED_TOKEN_VALUE));397        HttpResponse response = sendToNodeServlet(NodeForceRestartServlet.class, nvps);398        if (response == null) {399            proxyLogger.warning("Node " + getId() + " failed to shutdown and returned a null response.");400            // stop the polling thread, mark this proxy as down, force this proxy to re-register401            teardown("it failed to shutdown and must re-register");402            LOGGER.exiting();403            return;404        }405        final int responseStatusCode = response.getStatusLine().getStatusCode();406        if (responseStatusCode != HttpStatus.SC_OK) {407            proxyLogger.warning("Node " + getId() + " did not shutdown and returned HTTP " + responseStatusCode);408            // stop the polling thread, mark this proxy as down, force this proxy to re-register409            teardown("it failed to shutdown and must re-register");410            LOGGER.exiting();411            return;412        }413        // stop the polling thread, mark this proxy as down414        teardown("it is shutdown");415        proxyLogger.info("Node " + getId() + " shutdown successfully.");416        LOGGER.exiting();417    }418    private void teardown(String reason) {419        addNewEvent(new RemoteUnregisterException(String.format("Unregistering node %s because %s.",420                getId(), reason)));421        teardown();422    }423    /**424     * Thread will recycle the node when all active sessions are completed425     */426    class NodeRecycleThread extends Thread {427        private static final int DEFAULT_TIMEOUT = 0; // Waits forever428        private volatile boolean running;429        private final String nodeId;430        NodeRecycleThread(String nodeId) {431            super();432            running = false;433            this.nodeId = nodeId;434        }435        @Override436        public void run() {437            LOGGER.entering();438            running = true;439            int timeout = getThreadWaitTimeout();440            int expired = 0;441            proxyLogger.fine("Started NodeRecycleThread with " + ((timeout == 0) ? "no" : "a " + timeout + " second")442                    + " timeout for node " + nodeId);443            while (keepLooping(expired, timeout)) {444                try {445                    sleep(1000);446                    expired += 1;447                } catch (InterruptedException e) {448                    if (running) {449                        // SEVERE, only if shutdown() was not called450                        LOGGER.log(Level.SEVERE, e.getMessage(), e);451                    }452                    running = false;453                    proxyLogger.warning("NodeRecycleThread was interrupted.");454                    LOGGER.exiting();455                    return;456                }457            }458            if (wasExpired(expired, timeout)) {459                proxyLogger.info("Timeout occurred while waiting for sessions to complete. Shutting down the node.");460            } else {461                proxyLogger.info("All sessions are complete. Shutting down the node.");462            }463            forceNodeShutdown();464            LOGGER.exiting();465        }466        int getThreadWaitTimeout() {467            final String key = "nodeRecycleThreadWaitTimeout";468            return config.custom.containsKey(key) ? Integer.parseInt(config.custom.get(key)) : DEFAULT_TIMEOUT;469        }470        private boolean keepLooping(int expired, int timeout) {471            return (getTotalUsed() > 0) && running && ((expired < timeout) || (timeout == 0));472        }473        private boolean wasExpired(int expired, int timeout) {474            return (expired >= timeout) && (timeout != 0);475        }476        public void shutdown() {477            LOGGER.entering();478            running = false;479            proxyLogger.fine("Shutting down NodeRecycleThread for node " + nodeId);480            interrupt();481            LOGGER.exiting();482        }483    }484    /**485     * @return the {@link NodeRecycleThread} associated with this proxy486     */487    private NodeRecycleThread getNodeRecycleThread() {488        return nodeRecycleThread;489    }490    /**491     * disables the max session count for this node.492     */493    private void disableMaxSessions() {494        proxyLogger.warning("Disabling max unique sessions for Node " + getId());495        config.custom.put("uniqueSessionCount", "-1");496    }497    /**498     * @return an integer value which represents the number of unique sessions this proxy allows for before499     *         automatically spinning up a {@link NodeRecycleThread}500     */501    private int getMaxSessionsAllowed() {502        final String key = "uniqueSessionCount";503        return config.custom.containsKey(key) ? Integer.parseInt(config.custom.get(key)) : DEFAULT_MAX_SESSIONS_ALLOWED;504    }505    /**506     * @return total uptime since proxy came online in minutes507     */508    public long getUptimeInMinutes() {509        return TimeUnit.MILLISECONDS.toMinutes(System.currentTimeMillis() - proxyStartMillis);510    }511    /**512     * @return total number of sessions completed since proxy came online513     */514    public int getTotalSessionsComplete() {515        return totalSessionsCompleted;516    }517    /**518     * @return total number of sessions started since proxy came online519     */520    public int getTotalSessionsStarted() {521        return totalSessionsStarted;522    }523    /**524     * @return <code>true</code> or <code>false</code>, whether the proxy is scheduled for recycle525     */526    public boolean isScheduledForRecycle() {527        return getNodeRecycleThread().isAlive();528    }529    /**530     * @return whether the proxy supports/has running {@link NodeForceRestartServlet}531     */532    public boolean supportsForceShutdown() {533        return canForceShutdown;534    }535    /**536     * @return whether the proxy supports/has running {@link NodeAutoUpgradeServlet}537     */538    public boolean supportsAutoUpgrade() {539        return canAutoUpgrade;540    }541    /**542     * @return whether the proxy supports/has running {@link LogServlet}543     */544    public boolean supportsViewLogs() {545        return canViewLogs;546    }547    /**548     * @return whether the proxy is enabled to limit the number of unique sessions before triggering a graceful shutdown549     */550    private boolean isEnabledMaxUniqueSessions() {551        return (getMaxSessionsAllowed() > 0);552    }553}...

getMaxSessionsAllowed

Using AI Code Generation

1import com.paypal.selion.proxy.SeLionRemoteProxy;2public class RunTest {3    public static void main(String[] args) {4        SeLionRemoteProxy remoteProxy = new SeLionRemoteProxy();5        System.out.println("Max sessions allowed: " + remoteProxy.getMaxSessionsAllowed());6    }7}8import com.paypal.selion.proxy.SeLionRemoteProxy;9public class RunTest {10    public static void main(String[] args) {11        SeLionRemoteProxy remoteProxy = new SeLionRemoteProxy();12        System.out.println("Max sessions allowed: " + remoteProxy.getMaxSessionsAllowed());13    }14}

getMaxSessionsAllowed

Using AI Code Generation

1    public void getMaxSessionsAllowedTest() {2        GridNodeConfiguration config = GridNodeConfiguration.builder().build();3        SeLionRemoteProxy proxy = new SeLionRemoteProxy(config);4        int maxSessionsAllowed = proxy.getMaxSessionsAllowed();5        Assert.assertEquals(maxSessionsAllowed, 1);6    }7}8[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ selion-grid ---9[INFO] --- maven-source-plugin:2.4:jar-no-fork (attach-sources) @ selion-grid ---10[INFO] --- maven-install-plugin:2.5.2:install (default-install) @ selion-grid ---

getMaxSessionsAllowed

Using AI Code Generation

1private static final int MAX_SESSIONS = 5;2public void onRegistration() {3    super.onRegistration();4    try {5        Field maxSessions = getClass().getSuperclass().getDeclaredField("maxSessions");6        maxSessions.setAccessible(true);7        maxSessions.set(this, getMaxSessionsAllowed(MAX_SESSIONS));8    } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {9        e.printStackTrace();10    }11}12private static final int MAX_SESSIONS = 5;13public void onRegistration() {14    super.onRegistration();15    try {16        Field maxSessions = getClass().getSuperclass().getDeclaredField("maxSessions");17        maxSessions.setAccessible(true);18        maxSessions.set(this, getMaxSessionsAllowed(MAX_SESSIONS));19    } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {20        e.printStackTrace();21    }22}23private static final int MAX_SESSIONS = 5;24public void onRegistration() {25    super.onRegistration();26    try {27        Field maxSessions = getClass().getSuperclass().getDeclaredField("maxSessions");28        maxSessions.setAccessible(true);29        maxSessions.set(this, getMaxSessionsAllowed(MAX_SESSIONS));30    } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {31        e.printStackTrace();32    }33}34private static final int MAX_SESSIONS = 5;35public void onRegistration() {36    super.onRegistration();37    try {38        Field maxSessions = getClass().getSuperclass().getDeclaredField

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