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How to use TraceSessionRequest class of org.openqa.selenium.grid.data package
Best Selenium code snippet using org.openqa.selenium.grid.data.TraceSessionRequest
Source:LocalDistributor.java 
...39import org.openqa.selenium.grid.data.SessionRequest;40import org.openqa.selenium.grid.data.SessionRequestCapability;41import org.openqa.selenium.grid.data.Slot;42import org.openqa.selenium.grid.data.SlotId;43import org.openqa.selenium.grid.data.TraceSessionRequest;44import org.openqa.selenium.grid.distributor.Distributor;45import org.openqa.selenium.grid.distributor.config.DistributorOptions;46import org.openqa.selenium.grid.distributor.selector.SlotSelector;47import org.openqa.selenium.grid.log.LoggingOptions;48import org.openqa.selenium.grid.node.HealthCheck;49import org.openqa.selenium.grid.node.Node;50import org.openqa.selenium.grid.node.remote.RemoteNode;51import org.openqa.selenium.grid.security.Secret;52import org.openqa.selenium.grid.security.SecretOptions;53import org.openqa.selenium.grid.server.EventBusOptions;54import org.openqa.selenium.grid.server.NetworkOptions;55import org.openqa.selenium.grid.sessionmap.SessionMap;56import org.openqa.selenium.grid.sessionmap.config.SessionMapOptions;57import org.openqa.selenium.grid.sessionqueue.NewSessionQueue;58import org.openqa.selenium.grid.sessionqueue.config.NewSessionQueueOptions;59import org.openqa.selenium.internal.Either;60import org.openqa.selenium.internal.Require;61import org.openqa.selenium.remote.SessionId;62import org.openqa.selenium.remote.http.HttpClient;63import org.openqa.selenium.remote.tracing.AttributeKey;64import org.openqa.selenium.remote.tracing.EventAttribute;65import org.openqa.selenium.remote.tracing.EventAttributeValue;66import org.openqa.selenium.remote.tracing.Span;67import org.openqa.selenium.remote.tracing.Status;68import org.openqa.selenium.remote.tracing.Tracer;69import org.openqa.selenium.status.HasReadyState;70import java.io.UncheckedIOException;71import java.time.Duration;72import java.util.ArrayList;73import java.util.Collection;74import java.util.HashMap;75import java.util.List;76import java.util.Map;77import java.util.Optional;78import java.util.Set;79import java.util.concurrent.ConcurrentHashMap;80import java.util.concurrent.Executors;81import java.util.concurrent.locks.Lock;82import java.util.concurrent.locks.ReadWriteLock;83import java.util.concurrent.locks.ReentrantReadWriteLock;84import java.util.logging.Level;85import java.util.logging.Logger;86import java.util.stream.Collectors;87import static com.google.common.collect.ImmutableSet.toImmutableSet;88import static org.openqa.selenium.grid.data.Availability.DOWN;89import static org.openqa.selenium.grid.data.Availability.DRAINING;90import static org.openqa.selenium.internal.Debug.getDebugLogLevel;91import static org.openqa.selenium.remote.RemoteTags.CAPABILITIES;92import static org.openqa.selenium.remote.RemoteTags.CAPABILITIES_EVENT;93import static org.openqa.selenium.remote.RemoteTags.SESSION_ID;94import static org.openqa.selenium.remote.RemoteTags.SESSION_ID_EVENT;95import static org.openqa.selenium.remote.tracing.AttributeKey.SESSION_URI;96import static org.openqa.selenium.remote.tracing.Tags.EXCEPTION;97public class LocalDistributor extends Distributor {98 private static final Logger LOG = Logger.getLogger(LocalDistributor.class.getName());99 private final Tracer tracer;100 private final EventBus bus;101 private final HttpClient.Factory clientFactory;102 private final SessionMap sessions;103 private final SlotSelector slotSelector;104 private final Secret registrationSecret;105 private final Regularly hostChecker = new Regularly("distributor host checker");106 private final Map<NodeId, Runnable> allChecks = new HashMap<>();107 private final Duration healthcheckInterval;108 private final ReadWriteLock lock = new ReentrantReadWriteLock(/* fair */ true);109 private final GridModel model;110 private final Map<NodeId, Node> nodes;111 private final NewSessionQueue sessionQueue;112 private final Regularly regularly;113 private final boolean rejectUnsupportedCaps;114 public LocalDistributor(115 Tracer tracer,116 EventBus bus,117 HttpClient.Factory clientFactory,118 SessionMap sessions,119 NewSessionQueue sessionQueue,120 SlotSelector slotSelector,121 Secret registrationSecret,122 Duration healthcheckInterval,123 boolean rejectUnsupportedCaps) {124 super(tracer, clientFactory, registrationSecret);125 this.tracer = Require.nonNull("Tracer", tracer);126 this.bus = Require.nonNull("Event bus", bus);127 this.clientFactory = Require.nonNull("HTTP client factory", clientFactory);128 this.sessions = Require.nonNull("Session map", sessions);129 this.sessionQueue = Require.nonNull("New Session Request Queue", sessionQueue);130 this.slotSelector = Require.nonNull("Slot selector", slotSelector);131 this.registrationSecret = Require.nonNull("Registration secret", registrationSecret);132 this.healthcheckInterval = Require.nonNull("Health check interval", healthcheckInterval);133 this.model = new GridModel(bus);134 this.nodes = new ConcurrentHashMap<>();135 this.rejectUnsupportedCaps = rejectUnsupportedCaps;136 bus.addListener(NodeStatusEvent.listener(this::register));137 bus.addListener(NodeStatusEvent.listener(model::refresh));138 bus.addListener(NodeHeartBeatEvent.listener(nodeStatus -> {139 if (nodes.containsKey(nodeStatus.getId())) {140 model.touch(nodeStatus.getId());141 } else {142 register(nodeStatus);143 }144 }));145 regularly = new Regularly(146 Executors.newSingleThreadScheduledExecutor(147 r -> {148 Thread thread = new Thread(r);149 thread.setName("New Session Queue");150 thread.setDaemon(true);151 return thread;152 }));153 NewSessionRunnable newSessionRunnable = new NewSessionRunnable();154 bus.addListener(NodeDrainComplete.listener(this::remove));155 bus.addListener(NewSessionRequestEvent.listener(ignored -> newSessionRunnable.run()));156 regularly.submit(model::purgeDeadNodes, Duration.ofSeconds(30), Duration.ofSeconds(30));157 regularly.submit(newSessionRunnable, Duration.ofSeconds(5), Duration.ofSeconds(5));158 }159 public static Distributor create(Config config) {160 Tracer tracer = new LoggingOptions(config).getTracer();161 EventBus bus = new EventBusOptions(config).getEventBus();162 DistributorOptions distributorOptions = new DistributorOptions(config);163 HttpClient.Factory clientFactory = new NetworkOptions(config).getHttpClientFactory(tracer);164 SessionMap sessions = new SessionMapOptions(config).getSessionMap();165 SecretOptions secretOptions = new SecretOptions(config);166 NewSessionQueue sessionQueue = new NewSessionQueueOptions(config).getSessionQueue(167 "org.openqa.selenium.grid.sessionqueue.remote.RemoteNewSessionQueue");168 return new LocalDistributor(169 tracer,170 bus,171 clientFactory,172 sessions,173 sessionQueue,174 distributorOptions.getSlotSelector(),175 secretOptions.getRegistrationSecret(),176 distributorOptions.getHealthCheckInterval(),177 distributorOptions.shouldRejectUnsupportedCaps());178 }179 @Override180 public boolean isReady() {181 try {182 return ImmutableSet.of(bus, sessions).parallelStream()183 .map(HasReadyState::isReady)184 .reduce(true, Boolean::logicalAnd);185 } catch (RuntimeException e) {186 return false;187 }188 }189 private void register(NodeStatus status) {190 Require.nonNull("Node", status);191 Lock writeLock = lock.writeLock();192 writeLock.lock();193 try {194 if (nodes.containsKey(status.getId())) {195 return;196 }197 Set<Capabilities> capabilities = status.getSlots().stream()198 .map(Slot::getStereotype)199 .map(ImmutableCapabilities::copyOf)200 .collect(toImmutableSet());201 // A new node! Add this as a remote node, since we've not called add202 RemoteNode remoteNode = new RemoteNode(203 tracer,204 clientFactory,205 status.getId(),206 status.getUri(),207 registrationSecret,208 capabilities);209 add(remoteNode);210 } finally {211 writeLock.unlock();212 }213 }214 @Override215 public LocalDistributor add(Node node) {216 Require.nonNull("Node", node);217 LOG.info(String.format("Added node %s at %s.", node.getId(), node.getUri()));218 nodes.put(node.getId(), node);219 model.add(node.getStatus());220 // Extract the health check221 Runnable runnableHealthCheck = asRunnableHealthCheck(node);222 allChecks.put(node.getId(), runnableHealthCheck);223 hostChecker.submit(runnableHealthCheck, healthcheckInterval, Duration.ofSeconds(30));224 bus.fire(new NodeAddedEvent(node.getId()));225 return this;226 }227 private Runnable asRunnableHealthCheck(Node node) {228 HealthCheck healthCheck = node.getHealthCheck();229 NodeId id = node.getId();230 return () -> {231 HealthCheck.Result result;232 try {233 result = healthCheck.check();234 } catch (Exception e) {235 LOG.log(Level.WARNING, "Unable to process node " + id, e);236 result = new HealthCheck.Result(DOWN, "Unable to run healthcheck. Assuming down");237 }238 Lock writeLock = lock.writeLock();239 writeLock.lock();240 try {241 model.setAvailability(id, result.getAvailability());242 } finally {243 writeLock.unlock();244 }245 };246 }247 @Override248 public boolean drain(NodeId nodeId) {249 Node node = nodes.get(nodeId);250 if (node == null) {251 LOG.info("Asked to drain unregistered node " + nodeId);252 return false;253 }254 Lock writeLock = lock.writeLock();255 writeLock.lock();256 try {257 node.drain();258 model.setAvailability(nodeId, DRAINING);259 } finally {260 writeLock.unlock();261 }262 return node.isDraining();263 }264 public void remove(NodeId nodeId) {265 Lock writeLock = lock.writeLock();266 writeLock.lock();267 try {268 model.remove(nodeId);269 Runnable runnable = allChecks.remove(nodeId);270 if (runnable != null) {271 hostChecker.remove(runnable);272 }273 } finally {274 writeLock.unlock();275 }276 }277 @Override278 public DistributorStatus getStatus() {279 Lock readLock = this.lock.readLock();280 readLock.lock();281 try {282 return new DistributorStatus(model.getSnapshot());283 } finally {284 readLock.unlock();285 }286 }287 @Beta288 public void refresh() {289 List<Runnable> allHealthChecks = new ArrayList<>();290 Lock readLock = this.lock.readLock();291 readLock.lock();292 try {293 allHealthChecks.addAll(allChecks.values());294 } finally {295 readLock.unlock();296 }297 allHealthChecks.parallelStream().forEach(Runnable::run);298 }299 protected Set<NodeStatus> getAvailableNodes() {300 Lock readLock = this.lock.readLock();301 readLock.lock();302 try {303 return model.getSnapshot().stream()304 .filter(node -> !DOWN.equals(node.getAvailability()))305 .collect(toImmutableSet());306 } finally {307 readLock.unlock();308 }309 }310 @Override311 public Either<SessionNotCreatedException, CreateSessionResponse> newSession(SessionRequest request)312 throws SessionNotCreatedException {313 Require.nonNull("Requests to process", request);314 Span span = tracer.getCurrentContext().createSpan("distributor.new_session");315 Map<String, EventAttributeValue> attributeMap = new HashMap<>();316 try {317 attributeMap.put(AttributeKey.LOGGER_CLASS.getKey(),318 EventAttribute.setValue(getClass().getName()));319 attributeMap.put("request.payload", EventAttribute.setValue(request.getDesiredCapabilities().toString()));320 String sessionReceivedMessage = "Session request received by the distributor";321 span.addEvent(sessionReceivedMessage, attributeMap);322 LOG.info(String.format("%s: \n %s", sessionReceivedMessage, request.getDesiredCapabilities()));323 // If there are no capabilities at all, something is horribly wrong324 if (request.getDesiredCapabilities().isEmpty()) {325 SessionNotCreatedException exception =326 new SessionNotCreatedException("No capabilities found in session request payload");327 EXCEPTION.accept(attributeMap, exception);328 attributeMap.put(AttributeKey.EXCEPTION_MESSAGE.getKey(),329 EventAttribute.setValue("Unable to create session. No capabilities found: " +330 exception.getMessage()));331 span.addEvent(AttributeKey.EXCEPTION_EVENT.getKey(), attributeMap);332 return Either.left(exception);333 }334 boolean retry = false;335 SessionNotCreatedException lastFailure = new SessionNotCreatedException("Unable to create new session");336 for (Capabilities caps : request.getDesiredCapabilities()) {337 if (!isSupported(caps)) {338 continue;339 }340 // Try and find a slot that we can use for this session. While we341 // are finding the slot, no other session can possibly be started.342 // Therefore, spend as little time as possible holding the write343 // lock, and release it as quickly as possible. Under no344 // circumstances should we try to actually start the session itself345 // in this next block of code.346 SlotId selectedSlot = reserveSlot(request.getRequestId(), caps);347 if (selectedSlot == null) {348 LOG.info(String.format("Unable to find slot for request %s. May retry: %s ", request.getRequestId(), caps));349 retry = true;350 continue;351 }352 CreateSessionRequest singleRequest = new CreateSessionRequest(353 request.getDownstreamDialects(),354 caps,355 request.getMetadata());356 try {357 CreateSessionResponse response = startSession(selectedSlot, singleRequest);358 sessions.add(response.getSession());359 model.setSession(selectedSlot, response.getSession());360 SessionId sessionId = response.getSession().getId();361 Capabilities sessionCaps = response.getSession().getCapabilities();362 String sessionUri = response.getSession().getUri().toString();363 SESSION_ID.accept(span, sessionId);364 CAPABILITIES.accept(span, sessionCaps);365 SESSION_ID_EVENT.accept(attributeMap, sessionId);366 CAPABILITIES_EVENT.accept(attributeMap, sessionCaps);367 span.setAttribute(SESSION_URI.getKey(), sessionUri);368 attributeMap.put(SESSION_URI.getKey(), EventAttribute.setValue(sessionUri));369 String sessionCreatedMessage = "Session created by the distributor";370 span.addEvent(sessionCreatedMessage, attributeMap);371 LOG.info(String.format("%s. Id: %s, Caps: %s", sessionCreatedMessage, sessionId, sessionCaps));372 return Either.right(response);373 } catch (SessionNotCreatedException e) {374 model.setSession(selectedSlot, null);375 lastFailure = e;376 }377 }378 // If we've made it this far, we've not been able to start a session379 if (retry) {380 lastFailure = new RetrySessionRequestException(381 "Will re-attempt to find a node which can run this session",382 lastFailure);383 attributeMap.put(384 AttributeKey.EXCEPTION_MESSAGE.getKey(),385 EventAttribute.setValue("Will retry session " + request.getRequestId()));386 } else {387 EXCEPTION.accept(attributeMap, lastFailure);388 attributeMap.put(AttributeKey.EXCEPTION_MESSAGE.getKey(),389 EventAttribute.setValue("Unable to create session: " + lastFailure.getMessage()));390 span.addEvent(AttributeKey.EXCEPTION_EVENT.getKey(), attributeMap);391 }392 return Either.left(lastFailure);393 } catch (SessionNotCreatedException e) {394 span.setAttribute(AttributeKey.ERROR.getKey(), true);395 span.setStatus(Status.ABORTED);396 EXCEPTION.accept(attributeMap, e);397 attributeMap.put(AttributeKey.EXCEPTION_MESSAGE.getKey(),398 EventAttribute.setValue("Unable to create session: " + e.getMessage()));399 span.addEvent(AttributeKey.EXCEPTION_EVENT.getKey(), attributeMap);400 return Either.left(e);401 } catch (UncheckedIOException e) {402 span.setAttribute(AttributeKey.ERROR.getKey(), true);403 span.setStatus(Status.UNKNOWN);404 EXCEPTION.accept(attributeMap, e);405 attributeMap.put(AttributeKey.EXCEPTION_MESSAGE.getKey(),406 EventAttribute.setValue("Unknown error in LocalDistributor while creating session: " + e.getMessage()));407 span.addEvent(AttributeKey.EXCEPTION_EVENT.getKey(), attributeMap);408 return Either.left(new SessionNotCreatedException(e.getMessage(), e));409 } finally {410 span.close();411 }412 }413 private CreateSessionResponse startSession(SlotId selectedSlot, CreateSessionRequest singleRequest) {414 Node node = nodes.get(selectedSlot.getOwningNodeId());415 if (node == null) {416 throw new SessionNotCreatedException("Unable to find owning node for slot");417 }418 Either<WebDriverException, CreateSessionResponse> result;419 try {420 result = node.newSession(singleRequest);421 } catch (SessionNotCreatedException e) {422 result = Either.left(e);423 } catch (RuntimeException e) {424 result = Either.left(new SessionNotCreatedException(e.getMessage(), e));425 }426 if (result.isLeft()) {427 WebDriverException exception = result.left();428 if (exception instanceof SessionNotCreatedException) {429 throw exception;430 }431 throw new SessionNotCreatedException(exception.getMessage(), exception);432 }433 return result.right();434 }435 private SlotId reserveSlot(RequestId requestId, Capabilities caps) {436 Lock writeLock = lock.writeLock();437 writeLock.lock();438 try {439 Set<SlotId> slotIds = slotSelector.selectSlot(caps, getAvailableNodes());440 if (slotIds.isEmpty()) {441 LOG.log(442 getDebugLogLevel(),443 String.format("No slots found for request %s and capabilities %s", requestId, caps));444 return null;445 }446 for (SlotId slotId : slotIds) {447 if (reserve(slotId)) {448 return slotId;449 }450 }451 return null;452 } finally {453 writeLock.unlock();454 }455 }456 private boolean isSupported(Capabilities caps) {457 return getAvailableNodes().stream().anyMatch(node -> node.hasCapability(caps));458 }459 private boolean reserve(SlotId id) {460 Require.nonNull("Slot ID", id);461 Lock writeLock = this.lock.writeLock();462 writeLock.lock();463 try {464 Node node = nodes.get(id.getOwningNodeId());465 if (node == null) {466 LOG.log(getDebugLogLevel(), String.format("Unable to find node with id %s", id));467 return false;468 }469 return model.reserve(id);470 } finally {471 writeLock.unlock();472 }473 }474 public void callExecutorShutdown() {475 LOG.info("Shutting down Distributor executor service");476 regularly.shutdown();477 }478 public class NewSessionRunnable implements Runnable {479 @Override480 public void run() {481 List<SessionRequestCapability> queueContents = sessionQueue.getQueueContents();482 if (rejectUnsupportedCaps) {483 checkMatchingSlot(queueContents);484 }485 int initialSize = queueContents.size();486 boolean retry = initialSize != 0;487 while (retry) {488 // We deliberately run this outside of a lock: if we're unsuccessful489 // starting the session, we just put the request back on the queue.490 // This does mean, however, that under high contention, we might end491 // up starving a session request.492 Set<Capabilities> stereotypes =493 getAvailableNodes().stream()494 .filter(NodeStatus::hasCapacity)495 .map(496 node ->497 node.getSlots().stream()498 .map(Slot::getStereotype)499 .collect(Collectors.toSet()))500 .flatMap(Collection::stream)501 .collect(Collectors.toSet());502 Optional<SessionRequest> maybeRequest = sessionQueue.getNextAvailable(stereotypes);503 maybeRequest.ifPresent(this::handleNewSessionRequest);504 int currentSize = sessionQueue.getQueueContents().size();505 retry = currentSize != 0 && currentSize != initialSize;506 initialSize = currentSize;507 }508 }509 private void checkMatchingSlot(List<SessionRequestCapability> sessionRequests) {510 for(SessionRequestCapability request : sessionRequests) {511 long unmatchableCount = request.getDesiredCapabilities().stream()512 .filter(caps -> !isSupported(caps))513 .count();514 if (unmatchableCount == request.getDesiredCapabilities().size()) {515 SessionNotCreatedException exception = new SessionNotCreatedException(516 "No nodes support the capabilities in the request");517 sessionQueue.complete(request.getRequestId(), Either.left(exception));518 }519 }520 }521 private void handleNewSessionRequest(SessionRequest sessionRequest) {522 RequestId reqId = sessionRequest.getRequestId();523 try (Span span = TraceSessionRequest.extract(tracer, sessionRequest).createSpan("distributor.poll_queue")) {524 Map<String, EventAttributeValue> attributeMap = new HashMap<>();525 attributeMap.put(526 AttributeKey.LOGGER_CLASS.getKey(),527 EventAttribute.setValue(getClass().getName()));528 span.setAttribute(AttributeKey.REQUEST_ID.getKey(), reqId.toString());529 attributeMap.put(530 AttributeKey.REQUEST_ID.getKey(),531 EventAttribute.setValue(reqId.toString()));532 attributeMap.put("request", EventAttribute.setValue(sessionRequest.toString()));533 Either<SessionNotCreatedException, CreateSessionResponse> response = newSession(sessionRequest);534 if (response.isLeft() && response.left() instanceof RetrySessionRequestException) {535 try(Span childSpan = span.createSpan("distributor.retry")) {536 LOG.info("Retrying");537 boolean retried = sessionQueue.retryAddToQueue(sessionRequest);...
Source:LocalNewSessionQueue.java
...10import org.openqa.selenium.grid.data.NewSessionRequestEvent;11import org.openqa.selenium.grid.data.RequestId;12import org.openqa.selenium.grid.data.SessionRequest;13import org.openqa.selenium.grid.data.SessionRequestCapability;14import org.openqa.selenium.grid.data.TraceSessionRequest;15import org.openqa.selenium.grid.data.SlotMatcher;16import org.openqa.selenium.grid.distributor.config.DistributorOptions;17import org.openqa.selenium.grid.jmx.JMXHelper;18import org.openqa.selenium.grid.jmx.ManagedAttribute;19import org.openqa.selenium.grid.jmx.ManagedService;20import org.openqa.selenium.grid.log.LoggingOptions;21import org.openqa.selenium.grid.security.Secret;22import org.openqa.selenium.grid.security.SecretOptions;23import org.openqa.selenium.grid.server.EventBusOptions;24import org.openqa.selenium.grid.sessionqueue.NewSessionQueue;25import org.openqa.selenium.grid.sessionqueue.config.SessionRequestOptions;26import org.openqa.selenium.internal.Either;27import org.openqa.selenium.internal.Require;28import org.openqa.selenium.remote.http.Contents;29import org.openqa.selenium.remote.http.HttpResponse;30import org.openqa.selenium.remote.tracing.Span;31import org.openqa.selenium.remote.tracing.TraceContext;32import org.openqa.selenium.remote.tracing.Tracer;33import java.io.Closeable;34import java.io.IOException;35import java.time.Duration;36import java.time.Instant;37import java.util.Collections;38import java.util.Deque;39import java.util.Iterator;40import java.util.List;41import java.util.Map;42import java.util.Optional;43import java.util.Set;44import java.util.concurrent.ConcurrentHashMap;45import java.util.concurrent.ConcurrentLinkedDeque;46import java.util.concurrent.CountDownLatch;47import java.util.concurrent.Executors;48import java.util.concurrent.ScheduledExecutorService;49import java.util.concurrent.locks.Lock;50import java.util.concurrent.locks.ReadWriteLock;51import java.util.concurrent.locks.ReentrantReadWriteLock;52import java.util.function.Predicate;53import java.util.stream.Collectors;54import static java.net.HttpURLConnection.HTTP_INTERNAL_ERROR;55import static java.util.concurrent.TimeUnit.MILLISECONDS;56/**57 * An in-memory implementation of the list of new session requests.58 * <p>59 * The lifecycle of a request can be described as:60 * <ol>61 * <li>User adds an item on to the queue using {@link #addToQueue(SessionRequest)}. This62 * will block until the request completes in some way.63 * <li>After being added, a {@link NewSessionRequestEvent} is fired. Listeners should use64 * this as an indication to call {@link #remove(RequestId)} to get the session request.65 * <li>If the session request is completed, then {@link #complete(RequestId, Either)} must66 * be called. This will not only ensure that {@link #addToQueue(SessionRequest)}67 * returns, but will also fire a {@link NewSessionRejectedEvent} if the session was68 * rejected. Positive completions of events are assumed to be notified on the event bus69 * by other listeners.70 * <li>If the request cannot be handled right now, call71 * {@link #retryAddToQueue(SessionRequest)} to return the session request to the front72 * of the queue.73 * </ol>74 * <p>75 * There is a background thread that will reap {@link SessionRequest}s that have timed out.76 * This means that a request can either complete by a listener calling77 * {@link #complete(RequestId, Either)} directly, or by being reaped by the thread.78 */79@ManagedService(objectName = "org.seleniumhq.grid:type=SessionQueue,name=LocalSessionQueue",80 description = "New session queue")81public class LocalNewSessionQueue extends NewSessionQueue implements Closeable {82 private final EventBus bus;83 private final SlotMatcher slotMatcher;84 private final Duration requestTimeout;85 private final Map<RequestId, Data> requests;86 private final Map<RequestId, TraceContext> contexts;87 private final Deque<SessionRequest> queue;88 private final ReadWriteLock lock = new ReentrantReadWriteLock();89 private final ScheduledExecutorService service = Executors.newSingleThreadScheduledExecutor(r -> {90 Thread thread = new Thread(r);91 thread.setDaemon(true);92 thread.setName("Local New Session Queue");93 return thread;94 });95 public LocalNewSessionQueue(96 Tracer tracer,97 EventBus bus,98 SlotMatcher slotMatcher,99 Duration retryPeriod,100 Duration requestTimeout,101 Secret registrationSecret) {102 super(tracer, registrationSecret);103 this.slotMatcher = Require.nonNull("Slot matcher", slotMatcher);104 this.bus = Require.nonNull("Event bus", bus);105 Require.nonNull("Retry period", retryPeriod);106 if (retryPeriod.isNegative() || retryPeriod.isZero()) {107 throw new IllegalArgumentException("Retry period must be positive");108 }109 this.requestTimeout = Require.nonNull("Request timeout", requestTimeout);110 if (requestTimeout.isNegative() || requestTimeout.isZero()) {111 throw new IllegalArgumentException("Request timeout must be positive");112 }113 this.requests = new ConcurrentHashMap<>();114 this.queue = new ConcurrentLinkedDeque<>();115 this.contexts = new ConcurrentHashMap<>();116 service.scheduleAtFixedRate(this::timeoutSessions, retryPeriod.toMillis(), retryPeriod.toMillis(), MILLISECONDS);117 new JMXHelper().register(this);118 }119 public static NewSessionQueue create(Config config) {120 LoggingOptions loggingOptions = new LoggingOptions(config);121 Tracer tracer = loggingOptions.getTracer();122 EventBusOptions eventBusOptions = new EventBusOptions(config);123 SessionRequestOptions requestOptions = new SessionRequestOptions(config);124 SecretOptions secretOptions = new SecretOptions(config);125 SlotMatcher slotMatcher = new DistributorOptions(config).getSlotMatcher();126 return new LocalNewSessionQueue(127 tracer,128 eventBusOptions.getEventBus(),129 slotMatcher,130 requestOptions.getSessionRequestRetryInterval(),131 requestOptions.getSessionRequestTimeout(),132 secretOptions.getRegistrationSecret());133 }134 private void timeoutSessions() {135 Instant now = Instant.now();136 Lock readLock = lock.readLock();137 readLock.lock();138 Set<RequestId> ids;139 try {140 ids = requests.entrySet().stream()141 .filter(entry -> isTimedOut(now, entry.getValue()))142 .map(Map.Entry::getKey)143 .collect(Collectors.toSet());144 } finally {145 readLock.unlock();146 }147 Lock writeLock = lock.writeLock();148 try {149 for (RequestId id : ids) {150 failDueToTimeout(id);151 }152 } finally {153 writeLock.unlock();154 }155 }156 private boolean isTimedOut(Instant now, Data data) {157 return data.endTime.isBefore(now);158 }159 @Override160 public HttpResponse addToQueue(SessionRequest request) {161 Require.nonNull("New session request", request);162 Require.nonNull("Request id", request.getRequestId());163 TraceContext context = TraceSessionRequest.extract(tracer, request);164 try (Span span = context.createSpan("sessionqueue.add_to_queue")) {165 contexts.put(request.getRequestId(), context);166 Data data = injectIntoQueue(request);167 if (isTimedOut(Instant.now(), data)) {168 failDueToTimeout(request.getRequestId());169 }170 Either<SessionNotCreatedException, CreateSessionResponse> result;171 try {172 if (data.latch.await(requestTimeout.toMillis(), MILLISECONDS)) {173 result = data.result;174 } else {175 result = Either.left(new SessionNotCreatedException("New session request timed out"));176 }177 } catch (InterruptedException e) {...
Source:TraceSessionRequest.java
1package org.openqa.selenium.grid.data;2import org.openqa.selenium.internal.Require;3import org.openqa.selenium.remote.tracing.TraceContext;4import org.openqa.selenium.remote.tracing.Tracer;5public class TraceSessionRequest {6 private TraceSessionRequest() {7 // Utility methods8 }9 public static TraceContext extract(Tracer tracer, SessionRequest sessionRequest) {10 Require.nonNull("Tracer", tracer);11 Require.nonNull("Session request", sessionRequest);12 return tracer.getPropagator()13 .extractContext(14 tracer.getCurrentContext(),15 sessionRequest,16 SessionRequest::getTraceHeader);17 }18}...
TraceSessionRequest
Using AI Code Generation
1TraceSessionRequest traceSessionRequest = new TraceSessionRequest("traceId", "sessionId");2TraceSessionResponse traceSessionResponse = new TraceSessionResponse("traceId", "sessionId", "status");3TraceSessionRequest traceSessionRequest = new TraceSessionRequest("traceId", "sessionId");4TraceSessionResponse traceSessionResponse = new TraceSessionResponse("traceId", "sessionId", "status");5TraceSessionRequest traceSessionRequest = new TraceSessionRequest("traceId", "sessionId");6TraceSessionResponse traceSessionResponse = new TraceSessionResponse("traceId", "sessionId", "status");7TraceSessionRequest traceSessionRequest = new TraceSessionRequest("traceId", "sessionId");8TraceSessionResponse traceSessionResponse = new TraceSessionResponse("traceId", "sessionId", "status");9TraceSessionRequest traceSessionRequest = new TraceSessionRequest("traceId", "sessionId");10TraceSessionResponse traceSessionResponse = new TraceSessionResponse("traceId", "sessionId", "status");11TraceSessionRequest traceSessionRequest = new TraceSessionRequest("traceId", "sessionId");12TraceSessionResponse traceSessionResponse = new TraceSessionResponse("traceId", "sessionId", "status");13TraceSessionRequest traceSessionRequest = new TraceSessionRequest("traceId", "sessionId");14TraceSessionResponse traceSessionResponse = new TraceSessionResponse("traceId", "sessionId", "status");
TraceSessionRequest
Using AI Code Generation
1import org.openqa.selenium.grid.data.TraceSessionRequest;2import org.openqa.selenium.grid.data.TraceSessionRequest;3import org.openqa.selenium.grid.data.TraceSessionRequest;4import org.openqa.selenium.grid.data.TraceSessionRequest;5import org.openqa.selenium.grid.data.TraceSessionRequest;6import org.openqa.selenium.grid.data.TraceSessionRequest;7import org.openqa.selenium.grid.data.TraceSessionRequest;8import org.openqa.selenium.grid.data.TraceSessionRequest;9import org.openqa.selenium.grid.data.TraceSessionRequest;10import org.openqa.selenium.grid.data.TraceSessionRequest;
TraceSessionRequest
Using AI Code Generation
1TraceSessionRequest traceSessionRequest = new TraceSessionRequest();2traceSessionRequest.setTraceType(TraceType.CLIENT);3traceSessionRequest.setDownstreamDialects("W3C");4traceSessionRequest.setDownstreamStatusCodes("200");5traceSessionRequest.setDownstreamUri("/session");6traceSessionRequest.setUpstreamDialects("W3C");7traceSessionRequest.setUpstreamStatusCodes("200");8traceSessionRequest.setUpstreamUri("/session");9TraceSessionResponse traceSessionResponse = new TraceSessionResponse();10traceSessionResponse.setDownstreamDialects("W3C");11traceSessionResponse.setDownstreamStatusCodes("200");12traceSessionResponse.setDownstreamUri("/session");13traceSessionResponse.setUpstreamDialects("W3C");14traceSessionResponse.setUpstreamStatusCodes("200");15traceSessionResponse.setUpstreamUri("/session");16TraceSession traceSession = new TraceSession();17traceSession.setSessionId("session-id");18traceSession.setSessionRequest(traceSessionRequest);19traceSession.setSessionResponse(traceSessionResponse);20TraceSessions traceSessions = new TraceSessions();21traceSessions.setSessions(Arrays.asList(traceSession));22TraceSessionsResponse traceSessionsResponse = new TraceSessionsResponse();23traceSessionsResponse.setSessions(traceSessions);24TraceSessionsResponse traceSessionsResponse = new TraceSessionsResponse();25traceSessionsResponse.setSessions(traceSessions);26TraceSessionsResponse traceSessionsResponse = new TraceSessionsResponse();27traceSessionsResponse.setSessions(traceSessions);28TraceSessionsResponse traceSessionsResponse = new TraceSessionsResponse();29traceSessionsResponse.setSessions(traceSessions);30TraceSessionsResponse traceSessionsResponse = new TraceSessionsResponse();31traceSessionsResponse.setSessions(traceSessions);32TraceSessionsResponse traceSessionsResponse = new TraceSessionsResponse();33traceSessionsResponse.setSessions(traceSessions);
TraceSessionRequest
Using AI Code Generation
1TraceSessionRequest sessionRequest = new TraceSessionRequest();2sessionRequest.setSessionId(sessionId);3sessionRequest.setCapabilities(capabilities);4sessionRequest.setStartTime(startTime);5sessionRequest.setUri(uri);6TraceSessionResponse sessionResponse = new TraceSessionResponse();7sessionResponse.setSessionId(sessionId);8sessionResponse.setCapabilities(capabilities);9sessionResponse.setStartTime(startTime);10sessionResponse.setUri(uri);11TraceSessionEvent sessionEvent = new TraceSessionEvent();12sessionEvent.setSessionId(sessionId);13sessionEvent.setCapabilities(capabilities);14sessionEvent.setStartTime(startTime);15sessionEvent.setUri(uri);16sessionEvent.setEventName(eventName);17TraceSessionInfo sessionInfo = new TraceSessionInfo();18sessionInfo.setSessionId(sessionId);19sessionInfo.setCapabilities(capabilities);20sessionInfo.setStartTime(startTime);21sessionInfo.setUri(uri);22sessionInfo.setEventName(eventName);23sessionInfo.setSessionInfo(sessionInfo);24TraceSession session = new TraceSession();25session.setSessionId(sessionId);26session.setCapabilities(capabilities);27session.setStartTime(startTime);28session.setUri(uri);29session.setEventName(eventName);30session.setSessionInfo(sessionInfo);31TraceNode node = new TraceNode();32node.setUri(uri);33node.setNodeInfo(nodeInfo);34TraceDistributor distributor = new TraceDistributor();35distributor.setUri(uri);36distributor.setDistributorInfo(distributorInfo);37TraceEvent event = new TraceEvent();38event.setSessionId(sessionId);39event.setCapabilities(capabilities);40event.setStartTime(startTime);41event.setUri(uri);42event.setEventName(eventName);43event.setSessionInfo(sessionInfo);44event.setNode(node);45event.setDistributor(distributor);46Trace trace = new Trace();47trace.setSessionId(sessionId);48trace.setCapabilities(capabilities);49trace.setStartTime(startTime);50trace.setUri(uri);51trace.setEventName(eventName);52trace.setSessionInfo(sessionInfo);53trace.setNode(node);54trace.setDistributor(distributor);
TraceSessionRequest
Using AI Code Generation
1TraceSessionRequest traceSessionRequest = new TraceSessionRequest();2traceSessionRequest.setSessionId("session-id");3traceSessionRequest.setTraceId("trace-id");4traceSessionRequest.setCommand("command");5traceSessionRequest.setStartTime(new Date());6traceSessionRequest.setEndTime(new Date());7traceSessionRequest.setDuration(1000);8traceSessionRequest.setSuccess(true);9traceSessionRequest.setFailureReason("failure-reason");10traceSessionRequest.setFailureMessage("failure-message");11traceSessionRequest.setFailureStacktrace("failure-stacktrace");12traceSessionRequest.setParameters("parameters");13traceSessionRequest.setRequestBody("request-body");14traceSessionRequest.setResponseBody("response-body");15traceSessionRequest.setResponseCode(200);16traceSessionRequest.setResponseMessage("response-message");17TraceSessionRequest traceSessionRequest = TraceSessionRequest.builder()18 .sessionId("session-id")19 .traceId("trace-id")20 .command("command")21 .startTime(new Date())22 .endTime(new Date())23 .duration(1000)24 .success(true)25 .failureReason("failure-reason")26 .failureMessage("failure-message")27 .failureStacktrace("failure-stacktrace")28 .parameters("parameters")29 .requestBody("request-body")30 .responseBody("response-body")31 .responseCode(200)32 .responseMessage("response-message")33 .build();34TraceSessionRequest traceSessionRequest = TraceSessionRequest.builder()35 .sessionId("session-id")36 .traceId("trace-id")37 .command("command")38 .startTime(new Date())39 .endTime(new Date())40 .duration(1000)41 .success(true)42 .failureReason("failure-reason")43 .failureMessage("failure-message")44 .failureStacktrace("failure-stacktrace")45 .parameters("parameters")46 .requestBody("request-body")47 .responseBody("response-body")48 .responseCode(200)49 .responseMessage("response-message")50 .build();51TraceSessionRequest traceSessionRequest = TraceSessionRequest.builder()52 .sessionId("session-id")53 .traceId("trace-id")54 .command("command")55 .startTime(new Date())56 .endTime(new Date())57 .duration(100
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Most used methods in TraceSessionRequest
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