Introduce Api Telemetry (#1487)

* Introduce Api Telemetry

* Add telemetry for session run and add configuration/hint

* Fix typo

* Do not send telmetry on retries

* Add tests for messages, connection and protocol changes

* add tests for telemetry work

* Add tests for Unmanaged transactions

* Update Config documentation

* Refactoring

* Fix docs paragraph

* Set telemetry flag on connection upon creation

* Refactoring

* Remove redundant header

* Exclude vulnerable dependency

* Refactoring

* Refactoring

* Add config builder tests

* Update documentation

* Update documentation

* Add NetworkSession tests

---------

Co-authored-by: Dmitriy Tverdiakov <dmitriy.tverdiakov@neo4j.com>

driver/src/main/java/org/neo4j/driver/Config.java

@@ -148,6 +148,13 @@ public final class Config implements Serializable {
      */
     private final MetricsAdapter metricsAdapter;
 
+    /**
+     * Specify if telemetry collection is disabled.
+     * <p>
+     * By default, the driver will send anonymous usage statistics to the server it connects to if the server requests those.
+     */
+    private final boolean telemetryDisabled;
+
     private Config(ConfigBuilder builder) {
         this.logging = builder.logging;
         this.logLeakedSessions = builder.logLeakedSessions;
@@ -169,6 +176,7 @@ private Config(ConfigBuilder builder) {
 
         this.eventLoopThreads = builder.eventLoopThreads;
         this.metricsAdapter = builder.metricsAdapter;
+        this.telemetryDisabled = builder.telemetryDisabled;
     }
 
     /**
@@ -335,6 +343,18 @@ public String userAgent() {
         return userAgent;
     }
 
+    /**
+     * Returns if the telemetry is disabled on the driver side.
+     * <p>
+     * The telemetry is collected only when it is enabled both the server and the driver.
+     *
+     * @return {@code true} if telemetry is disabled or {@code false} otherwise
+     * @since 5.13
+     */
+    public boolean isTelemetryDisabled() {
+        return telemetryDisabled;
+    }
+
     /**
      * Used to build new config instances
      */
@@ -357,6 +377,8 @@ public static final class ConfigBuilder {
         private int eventLoopThreads = 0;
         private NotificationConfig notificationConfig = NotificationConfig.defaultConfig();
 
+        private boolean telemetryDisabled = false;
+
         private ConfigBuilder() {}
 
         /**
@@ -748,6 +770,31 @@ public ConfigBuilder withNotificationConfig(NotificationConfig notificationConfi
             return this;
         }
 
+        /**
+         * Sets if telemetry is disabled on the driver side.
+         * <p>
+         * By default, the driver sends anonymous telemetry data to the server it connects to if the server has
+         * telemetry enabled. This can be explicitly disabled on the driver side by setting this setting to
+         * {@code true}.
+         * <p>
+         * At present, the driver sends which API type is used, like:
+         * <ul>
+         *     <li>Managed transaction ({@link Session#executeWrite(TransactionCallback)},
+         *     {@link Session#executeRead(TransactionCallback)} and similar options)</li>
+         *     <li>Unmanaged transaction ({@link Session#beginTransaction()} and similar options)</li>
+         *     <li>Autocommit transaction ({@link Session#run(Query)} and similar options)</li>
+         *     <li>Executable query ({@link Driver#executableQuery(String)} and similar options)</li>
+         * </ul>
+         *
+         * @param telemetryDisabled {@code true} if telemetry is disabled or {@code false} otherwise
+         * @return this builder
+         * @since 5.13
+         */
+        public ConfigBuilder withTelemetryDisabled(boolean telemetryDisabled) {
+            this.telemetryDisabled = telemetryDisabled;
+            return this;
+        }
+
         /**
          * Create a config instance from this builder.
          *

driver/src/main/java/org/neo4j/driver/internal/DriverFactory.java

@@ -269,7 +269,8 @@ protected InternalDriver createRoutingDriver(
      */
     protected InternalDriver createDriver(
             SecurityPlan securityPlan, SessionFactory sessionFactory, MetricsProvider metricsProvider, Config config) {
-        return new InternalDriver(securityPlan, sessionFactory, metricsProvider, config.logging());
+        return new InternalDriver(
+                securityPlan, sessionFactory, metricsProvider, config.isTelemetryDisabled(), config.logging());
     }
 
     /**

driver/src/main/java/org/neo4j/driver/internal/InternalDriver.java

@@ -65,18 +65,22 @@ public class InternalDriver implements Driver {
     private final SessionFactory sessionFactory;
     private final Logger log;
 
+    private final boolean telemetryDisabled;
+
     private final AtomicBoolean closed = new AtomicBoolean(false);
     private final MetricsProvider metricsProvider;
 
     InternalDriver(
             SecurityPlan securityPlan,
             SessionFactory sessionFactory,
             MetricsProvider metricsProvider,
+            boolean telemetryDisabled,
             Logging logging) {
         this.securityPlan = securityPlan;
         this.sessionFactory = sessionFactory;
         this.metricsProvider = metricsProvider;
         this.log = logging.getLog(getClass());
+        this.telemetryDisabled = telemetryDisabled;
     }
 
     @Override
@@ -215,7 +219,7 @@ private static RuntimeException driverCloseException() {
 
     public NetworkSession newSession(SessionConfig config, AuthToken overrideAuthToken) {
         assertOpen();
-        var session = sessionFactory.newInstance(config, overrideAuthToken);
+        var session = sessionFactory.newInstance(config, overrideAuthToken, telemetryDisabled);
         if (closed.get()) {
             // session does not immediately acquire connection, it is fine to just throw
             throw driverCloseException();

driver/src/main/java/org/neo4j/driver/internal/InternalExecutableQuery.java

@@ -32,6 +32,7 @@
 import org.neo4j.driver.SessionConfig;
 import org.neo4j.driver.TransactionCallback;
 import org.neo4j.driver.TransactionConfig;
+import org.neo4j.driver.internal.telemetry.TelemetryApi;
 
 public class InternalExecutableQuery implements ExecutableQuery {
     private final Driver driver;
@@ -81,7 +82,8 @@ public <A, R, T> T execute(Collector<Record, A, R> recordCollector, ResultFinish
                 return resultFinisher.finish(result.keys(), finishedValue, summary);
             };
             var accessMode = config.routing().equals(RoutingControl.WRITE) ? AccessMode.WRITE : AccessMode.READ;
-            return session.execute(accessMode, txCallback, TransactionConfig.empty(), false);
+            return session.execute(
+                    accessMode, txCallback, TransactionConfig.empty(), TelemetryApi.EXECUTABLE_QUERY, false);
         }
     }
 

driver/src/main/java/org/neo4j/driver/internal/InternalSession.java

@@ -34,6 +34,8 @@
 import org.neo4j.driver.exceptions.ClientException;
 import org.neo4j.driver.internal.async.NetworkSession;
 import org.neo4j.driver.internal.spi.Connection;
+import org.neo4j.driver.internal.telemetry.ApiTelemetryWork;
+import org.neo4j.driver.internal.telemetry.TelemetryApi;
 import org.neo4j.driver.internal.util.Futures;
 
 public class InternalSession extends AbstractQueryRunner implements Session {
@@ -93,7 +95,7 @@ public Transaction beginTransaction(TransactionConfig config) {
 
     public Transaction beginTransaction(TransactionConfig config, String txType) {
         var tx = Futures.blockingGet(
-                session.beginTransactionAsync(config, txType),
+                session.beginTransactionAsync(config, txType, new ApiTelemetryWork(TelemetryApi.UNMANAGED_TRANSACTION)),
                 () -> terminateConnectionOnThreadInterrupt("Thread interrupted while starting a transaction"));
         return new InternalTransaction(tx);
     }
@@ -107,12 +109,12 @@ public <T> T readTransaction(TransactionWork<T> work) {
     @Override
     @Deprecated
     public <T> T readTransaction(TransactionWork<T> work, TransactionConfig config) {
-        return transaction(AccessMode.READ, work, config, true);
+        return transaction(AccessMode.READ, work, config, TelemetryApi.MANAGED_TRANSACTION, true);
     }
 
     @Override
     public <T> T executeRead(TransactionCallback<T> callback, TransactionConfig config) {
-        return execute(AccessMode.READ, callback, config, true);
+        return execute(AccessMode.READ, callback, config, TelemetryApi.MANAGED_TRANSACTION, true);
     }
 
     @Override
@@ -124,12 +126,12 @@ public <T> T writeTransaction(TransactionWork<T> work) {
     @Override
     @Deprecated
     public <T> T writeTransaction(TransactionWork<T> work, TransactionConfig config) {
-        return transaction(AccessMode.WRITE, work, config, true);
+        return transaction(AccessMode.WRITE, work, config, TelemetryApi.MANAGED_TRANSACTION, true);
     }
 
     @Override
     public <T> T executeWrite(TransactionCallback<T> callback, TransactionConfig config) {
-        return execute(AccessMode.WRITE, callback, config, true);
+        return execute(AccessMode.WRITE, callback, config, TelemetryApi.MANAGED_TRANSACTION, true);
     }
 
     @Override
@@ -151,21 +153,29 @@ public void reset() {
                 () -> terminateConnectionOnThreadInterrupt("Thread interrupted while resetting the session"));
     }
 
-    <T> T execute(AccessMode accessMode, TransactionCallback<T> callback, TransactionConfig config, boolean flush) {
-        return transaction(accessMode, tx -> callback.execute(new DelegatingTransactionContext(tx)), config, flush);
+    <T> T execute(
+            AccessMode accessMode,
+            TransactionCallback<T> callback,
+            TransactionConfig config,
+            TelemetryApi telemetryApi,
+            boolean flush) {
+        return transaction(
+                accessMode, tx -> callback.execute(new DelegatingTransactionContext(tx)), config, telemetryApi, flush);
     }
 
     private <T> T transaction(
             AccessMode mode,
             @SuppressWarnings("deprecation") TransactionWork<T> work,
             TransactionConfig config,
+            TelemetryApi telemetryApi,
             boolean flush) {
         // use different code path compared to async so that work is executed in the caller thread
         // caller thread will also be the one who sleeps between retries;
         // it is unsafe to execute retries in the event loop threads because this can cause a deadlock
         // event loop thread will bock and wait for itself to read some data
+        var apiTelemetryWork = new ApiTelemetryWork(telemetryApi);
         return session.retryLogic().retry(() -> {
-            try (var tx = beginTransaction(mode, config, flush)) {
+            try (var tx = beginTransaction(mode, config, apiTelemetryWork, flush)) {
 
                 var result = work.execute(tx);
                 if (result instanceof Result) {
@@ -182,9 +192,10 @@ private <T> T transaction(
         });
     }
 
-    private Transaction beginTransaction(AccessMode mode, TransactionConfig config, boolean flush) {
+    private Transaction beginTransaction(
+            AccessMode mode, TransactionConfig config, ApiTelemetryWork apiTelemetryWork, boolean flush) {
         var tx = Futures.blockingGet(
-                session.beginTransactionAsync(mode, config, null, flush),
+                session.beginTransactionAsync(mode, config, null, apiTelemetryWork, flush),
                 () -> terminateConnectionOnThreadInterrupt("Thread interrupted while starting a transaction"));
         return new InternalTransaction(tx);
     }

driver/src/main/java/org/neo4j/driver/internal/SessionFactory.java

@@ -24,7 +24,7 @@
 import org.neo4j.driver.internal.async.NetworkSession;
 
 public interface SessionFactory {
-    NetworkSession newInstance(SessionConfig sessionConfig, AuthToken overrideAuthToken);
+    NetworkSession newInstance(SessionConfig sessionConfig, AuthToken overrideAuthToken, boolean telemetryDisabled);
 
     CompletionStage<Void> verifyConnectivity();
 

driver/src/main/java/org/neo4j/driver/internal/SessionFactoryImpl.java

@@ -53,7 +53,8 @@ public class SessionFactoryImpl implements SessionFactory {
     }
 
     @Override
-    public NetworkSession newInstance(SessionConfig sessionConfig, AuthToken overrideAuthToken) {
+    public NetworkSession newInstance(
+            SessionConfig sessionConfig, AuthToken overrideAuthToken, boolean telemetryDisabled) {
         return createSession(
                 connectionProvider,
                 retryLogic,
@@ -65,7 +66,8 @@ public NetworkSession newInstance(SessionConfig sessionConfig, AuthToken overrid
                 logging,
                 sessionConfig.bookmarkManager().orElse(NoOpBookmarkManager.INSTANCE),
                 sessionConfig.notificationConfig(),
-                overrideAuthToken);
+                overrideAuthToken,
+                telemetryDisabled);
     }
 
     private Set<Bookmark> toDistinctSet(Iterable<Bookmark> bookmarks) {
@@ -142,7 +144,8 @@ private NetworkSession createSession(
             Logging logging,
             BookmarkManager bookmarkManager,
             NotificationConfig notificationConfig,
-            AuthToken authToken) {
+            AuthToken authToken,
+            boolean telemetryDisabled) {
         Objects.requireNonNull(bookmarks, "bookmarks may not be null");
         Objects.requireNonNull(bookmarkManager, "bookmarkManager may not be null");
         return leakedSessionsLoggingEnabled
@@ -157,7 +160,8 @@ private NetworkSession createSession(
                         logging,
                         bookmarkManager,
                         notificationConfig,
-                        authToken)
+                        authToken,
+                        telemetryDisabled)
                 : new NetworkSession(
                         connectionProvider,
                         retryLogic,
@@ -169,6 +173,7 @@ private NetworkSession createSession(
                         logging,
                         bookmarkManager,
                         notificationConfig,
-                        authToken);
+                        authToken,
+                        telemetryDisabled);
     }
 }

driver/src/main/java/org/neo4j/driver/internal/async/InternalAsyncSession.java

@@ -38,6 +38,8 @@
 import org.neo4j.driver.async.ResultCursor;
 import org.neo4j.driver.exceptions.ClientException;
 import org.neo4j.driver.internal.InternalBookmark;
+import org.neo4j.driver.internal.telemetry.ApiTelemetryWork;
+import org.neo4j.driver.internal.telemetry.TelemetryApi;
 import org.neo4j.driver.internal.util.Futures;
 
 public class InternalAsyncSession extends AsyncAbstractQueryRunner implements AsyncSession {
@@ -80,7 +82,8 @@ public CompletionStage<AsyncTransaction> beginTransactionAsync() {
 
     @Override
     public CompletionStage<AsyncTransaction> beginTransactionAsync(TransactionConfig config) {
-        return session.beginTransactionAsync(config).thenApply(InternalAsyncTransaction::new);
+        return session.beginTransactionAsync(config, new ApiTelemetryWork(TelemetryApi.UNMANAGED_TRANSACTION))
+                .thenApply(InternalAsyncTransaction::new);
     }
 
     @Override
@@ -136,9 +139,10 @@ private <T> CompletionStage<T> transactionAsync(
             AccessMode mode,
             @SuppressWarnings("deprecation") AsyncTransactionWork<CompletionStage<T>> work,
             TransactionConfig config) {
+        var apiTelemetryWork = new ApiTelemetryWork(TelemetryApi.MANAGED_TRANSACTION);
         return session.retryLogic().retryAsync(() -> {
             var resultFuture = new CompletableFuture<T>();
-            var txFuture = session.beginTransactionAsync(mode, config);
+            var txFuture = session.beginTransactionAsync(mode, config, apiTelemetryWork);
 
             txFuture.whenComplete((tx, completionError) -> {
                 var error = Futures.completionExceptionCause(completionError);

driver/src/main/java/org/neo4j/driver/internal/async/LeakLoggingNetworkSession.java

@@ -48,7 +48,8 @@ public LeakLoggingNetworkSession(
             Logging logging,
             BookmarkManager bookmarkManager,
             NotificationConfig notificationConfig,
-            AuthToken overrideAuthToken) {
+            AuthToken overrideAuthToken,
+            boolean telemetryDisabled) {
         super(
                 connectionProvider,
                 retryLogic,
@@ -60,7 +61,8 @@ public LeakLoggingNetworkSession(
                 logging,
                 bookmarkManager,
                 notificationConfig,
-                overrideAuthToken);
+                overrideAuthToken,
+                telemetryDisabled);
         this.stackTrace = captureStackTrace();
     }
 

driver/src/main/java/org/neo4j/driver/internal/async/NetworkConnection.java

@@ -67,6 +67,7 @@ public class NetworkConnection implements Connection {
     private final InboundMessageDispatcher messageDispatcher;
     private final String serverAgent;
     private final BoltServerAddress serverAddress;
+    private final boolean telemetryEnabled;
     private final BoltProtocol protocol;
     private final ExtendedChannelPool channelPool;
     private final CompletableFuture<Void> releaseFuture;
@@ -92,6 +93,7 @@ public NetworkConnection(
         this.messageDispatcher = ChannelAttributes.messageDispatcher(channel);
         this.serverAgent = ChannelAttributes.serverAgent(channel);
         this.serverAddress = ChannelAttributes.serverAddress(channel);
+        this.telemetryEnabled = ChannelAttributes.telemetryEnabled(channel);
         this.protocol = BoltProtocol.forChannel(channel);
         this.channelPool = channelPool;
         this.releaseFuture = new CompletableFuture<>();
@@ -136,6 +138,11 @@ public void writeAndFlush(Message message, ResponseHandler handler) {
         }
     }
 
+    @Override
+    public boolean isTelemetryEnabled() {
+        return telemetryEnabled;
+    }
+
     @Override
     public CompletionStage<Void> reset(Throwable throwable) {
         var result = new CompletableFuture<Void>();