Merge "[Thread] graduate ThreadNetworkUnitTests from postsubmit" into main
diff --git a/Tethering/Android.bp b/Tethering/Android.bp
index 414e50a..73c11ba 100644
--- a/Tethering/Android.bp
+++ b/Tethering/Android.bp
@@ -94,14 +94,17 @@
         "ConnectivityNextEnableDefaults",
         "TetheringAndroidLibraryDefaults",
         "TetheringApiLevel",
-        "TetheringReleaseTargetSdk"
+        "TetheringReleaseTargetSdk",
     ],
     static_libs: [
         "NetworkStackApiCurrentShims",
         "net-utils-device-common-struct",
     ],
     apex_available: ["com.android.tethering"],
-    lint: { strict_updatability_linting: true },
+    lint: {
+        strict_updatability_linting: true,
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 android_library {
@@ -109,14 +112,17 @@
     defaults: [
         "TetheringAndroidLibraryDefaults",
         "TetheringApiLevel",
-        "TetheringReleaseTargetSdk"
+        "TetheringReleaseTargetSdk",
     ],
     static_libs: [
         "NetworkStackApiStableShims",
         "net-utils-device-common-struct",
     ],
     apex_available: ["com.android.tethering"],
-    lint: { strict_updatability_linting: true },
+    lint: {
+        strict_updatability_linting: true,
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 // Due to b/143733063, APK can't access a jni lib that is in APEX (but not in the APK).
@@ -189,20 +195,28 @@
     optimize: {
         proguard_flags_files: ["proguard.flags"],
     },
-    lint: { strict_updatability_linting: true },
+    lint: {
+        strict_updatability_linting: true,
+    },
 }
 
 // Updatable tethering packaged for finalized API
 android_app {
     name: "Tethering",
-    defaults: ["TetheringAppDefaults", "TetheringApiLevel"],
+    defaults: [
+        "TetheringAppDefaults",
+        "TetheringApiLevel",
+    ],
     static_libs: ["TetheringApiStableLib"],
     certificate: "networkstack",
     manifest: "AndroidManifest.xml",
     use_embedded_native_libs: true,
     privapp_allowlist: ":privapp_allowlist_com.android.tethering",
     apex_available: ["com.android.tethering"],
-    lint: { strict_updatability_linting: true },
+    lint: {
+        strict_updatability_linting: true,
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 android_app {
@@ -221,6 +235,7 @@
     lint: {
         strict_updatability_linting: true,
         error_checks: ["NewApi"],
+        baseline_filename: "lint-baseline.xml",
     },
 }
 
@@ -239,19 +254,24 @@
 
 java_library_static {
     name: "tetheringstatsprotos",
-    proto: {type: "lite"},
+    proto: {
+        type: "lite",
+    },
     srcs: [
         "src/com/android/networkstack/tethering/metrics/stats.proto",
     ],
     static_libs: ["tetheringprotos"],
     apex_available: ["com.android.tethering"],
     min_sdk_version: "30",
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 genrule {
     name: "statslog-tethering-java-gen",
     tools: ["stats-log-api-gen"],
     cmd: "$(location stats-log-api-gen) --java $(out) --module network_tethering" +
-         " --javaPackage com.android.networkstack.tethering.metrics --javaClass TetheringStatsLog",
+        " --javaPackage com.android.networkstack.tethering.metrics --javaClass TetheringStatsLog",
     out: ["com/android/networkstack/tethering/metrics/TetheringStatsLog.java"],
 }
diff --git a/framework/Android.bp b/framework/Android.bp
index 1e6262d..7ec3971 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -105,7 +105,9 @@
     apex_available: [
         "com.android.tethering",
     ],
-    lint: { strict_updatability_linting: true },
+    lint: {
+        strict_updatability_linting: true,
+    },
 }
 
 java_library {
@@ -134,7 +136,10 @@
         "framework-tethering.impl",
         "framework-wifi.stubs.module_lib",
     ],
-    visibility: ["//packages/modules/Connectivity:__subpackages__"]
+    visibility: ["//packages/modules/Connectivity:__subpackages__"],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 java_defaults {
@@ -189,6 +194,9 @@
         "//packages/modules/NetworkStack/tests:__subpackages__",
         "//packages/modules/Wifi/service/tests/wifitests",
     ],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 platform_compat_config {
@@ -248,6 +256,9 @@
     apex_available: [
         "com.android.tethering",
     ],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 java_genrule {
@@ -293,9 +304,9 @@
     ],
     flags: [
         "--show-for-stub-purposes-annotation android.annotation.SystemApi" +
-        "\\(client=android.annotation.SystemApi.Client.PRIVILEGED_APPS\\)",
+            "\\(client=android.annotation.SystemApi.Client.PRIVILEGED_APPS\\)",
         "--show-for-stub-purposes-annotation android.annotation.SystemApi" +
-        "\\(client=android.annotation.SystemApi.Client.MODULE_LIBRARIES\\)",
+            "\\(client=android.annotation.SystemApi.Client.MODULE_LIBRARIES\\)",
     ],
     aidl: {
         include_dirs: [
@@ -308,6 +319,9 @@
 java_library {
     name: "framework-connectivity-module-api-stubs-including-flagged",
     srcs: [":framework-connectivity-module-api-stubs-including-flagged-droidstubs"],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 // Library providing limited APIs within the connectivity module, so that R+ components like
@@ -332,4 +346,7 @@
     visibility: [
         "//packages/modules/Connectivity/Tethering:__subpackages__",
     ],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
diff --git a/nearby/service/Android.bp b/nearby/service/Android.bp
index 4630902..17b80b0 100644
--- a/nearby/service/Android.bp
+++ b/nearby/service/Android.bp
@@ -30,7 +30,7 @@
     srcs: [":nearby-service-srcs"],
 
     defaults: [
-        "framework-system-server-module-defaults"
+        "framework-system-server-module-defaults",
     ],
     libs: [
         "androidx.annotation_annotation",
@@ -66,13 +66,16 @@
     apex_available: [
         "com.android.tethering",
     ],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 genrule {
     name: "statslog-nearby-java-gen",
     tools: ["stats-log-api-gen"],
     cmd: "$(location stats-log-api-gen) --java $(out) --module nearby " +
-         " --javaPackage com.android.server.nearby.proto --javaClass NearbyStatsLog" +
-         " --minApiLevel 33",
+        " --javaPackage com.android.server.nearby.proto --javaClass NearbyStatsLog" +
+        " --minApiLevel 33",
     out: ["com/android/server/nearby/proto/NearbyStatsLog.java"],
 }
diff --git a/service-t/Android.bp b/service-t/Android.bp
index bc49f0e..de879f3 100644
--- a/service-t/Android.bp
+++ b/service-t/Android.bp
@@ -31,6 +31,7 @@
     ],
     visibility: ["//visibility:private"],
 }
+
 // The above filegroup can be used to specify different sources depending
 // on the branch, while minimizing merge conflicts in the rest of the
 // build rules.
@@ -78,6 +79,9 @@
         "//packages/modules/Connectivity/tests:__subpackages__",
         "//packages/modules/IPsec/tests/iketests",
     ],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 // Test building mDNS as a standalone, so that it can be imported into other repositories as-is.
@@ -94,11 +98,12 @@
     min_sdk_version: "21",
     lint: {
         error_checks: ["NewApi"],
+        baseline_filename: "lint-baseline.xml",
     },
     srcs: [
         "src/com/android/server/connectivity/mdns/**/*.java",
         ":framework-connectivity-t-mdns-standalone-build-sources",
-        ":service-mdns-droidstubs"
+        ":service-mdns-droidstubs",
     ],
     exclude_srcs: [
         "src/com/android/server/connectivity/mdns/internal/SocketNetlinkMonitor.java",
@@ -127,7 +132,7 @@
     srcs: ["src/com/android/server/connectivity/mdns/SocketNetLinkMonitorFactory.java"],
     libs: [
         "net-utils-device-common-mdns-standalone-build-test",
-        "service-connectivity-tiramisu-pre-jarjar"
+        "service-connectivity-tiramisu-pre-jarjar",
     ],
     visibility: [
         "//visibility:private",
diff --git a/service/Android.bp b/service/Android.bp
index e2dab9e..7c5da0d 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -70,6 +70,9 @@
     apex_available: [
         "com.android.tethering",
     ],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 // The library name match the service-connectivity jarjar rules that put the JNI utils in the
@@ -200,7 +203,10 @@
     apex_available: [
         "com.android.tethering",
     ],
-    lint: { strict_updatability_linting: true },
+    lint: {
+        strict_updatability_linting: true,
+        baseline_filename: "lint-baseline.xml",
+    },
     visibility: [
         "//packages/modules/Connectivity/service-t",
         "//packages/modules/Connectivity/tests:__subpackages__",
@@ -225,6 +231,7 @@
     ],
     lint: {
         strict_updatability_linting: true,
+        baseline_filename: "lint-baseline.xml",
     },
 }
 
@@ -283,12 +290,18 @@
 java_library {
     name: "service-connectivity-for-tests",
     defaults: ["service-connectivity-defaults"],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 java_library {
     name: "service-connectivity",
     defaults: ["service-connectivity-defaults"],
     installable: true,
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 java_library_static {
@@ -303,6 +316,9 @@
     ],
     static_libs: ["ConnectivityServiceprotos"],
     apex_available: ["com.android.tethering"],
+    lint: {
+        baseline_filename: "lint-baseline.xml",
+    },
 }
 
 genrule {
diff --git a/service/src/com/android/metrics/NetworkRequestStateInfo.java b/service/src/com/android/metrics/NetworkRequestStateInfo.java
new file mode 100644
index 0000000..e3e172a
--- /dev/null
+++ b/service/src/com/android/metrics/NetworkRequestStateInfo.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.metrics;
+
+import static com.android.server.ConnectivityStatsLog.NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_RECEIVED;
+import static com.android.server.ConnectivityStatsLog.NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_REMOVED;
+import static com.android.server.ConnectivityStatsLog.NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_UNKNOWN;
+
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
+import android.os.SystemClock;
+
+import com.android.net.module.util.BitUtils;
+
+
+class NetworkRequestStateInfo {
+    private final NetworkRequest mNetworkRequest;
+    private final long mNetworkRequestReceivedTime;
+
+    private enum NetworkRequestState {
+        RECEIVED,
+        REMOVED
+    }
+    private NetworkRequestState mNetworkRequestState;
+    private int mNetworkRequestDurationMillis;
+    private final Dependencies mDependencies;
+
+    NetworkRequestStateInfo(NetworkRequest networkRequest,
+            Dependencies deps) {
+        mDependencies = deps;
+        mNetworkRequest = networkRequest;
+        mNetworkRequestReceivedTime = mDependencies.getElapsedRealtime();
+        mNetworkRequestDurationMillis = 0;
+        mNetworkRequestState = NetworkRequestState.RECEIVED;
+    }
+
+    public void setNetworkRequestRemoved() {
+        mNetworkRequestState = NetworkRequestState.REMOVED;
+        mNetworkRequestDurationMillis = (int) (
+                mDependencies.getElapsedRealtime() - mNetworkRequestReceivedTime);
+    }
+
+    public int getNetworkRequestStateStatsType() {
+        if (mNetworkRequestState == NetworkRequestState.RECEIVED) {
+            return NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_RECEIVED;
+        } else if (mNetworkRequestState == NetworkRequestState.REMOVED) {
+            return NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_REMOVED;
+        } else {
+            return NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_UNKNOWN;
+        }
+    }
+
+    public int getRequestId() {
+        return mNetworkRequest.requestId;
+    }
+
+    public int getPackageUid() {
+        return mNetworkRequest.networkCapabilities.getRequestorUid();
+    }
+
+    public int getTransportTypes() {
+        return (int) BitUtils.packBits(mNetworkRequest.networkCapabilities.getTransportTypes());
+    }
+
+    public boolean getNetCapabilityNotMetered() {
+        return mNetworkRequest.hasCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED);
+    }
+
+    public boolean getNetCapabilityInternet() {
+        return mNetworkRequest.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
+    }
+
+    public int getNetworkRequestDurationMillis() {
+        return mNetworkRequestDurationMillis;
+    }
+
+    /** Dependency class */
+    public static class Dependencies {
+        // Returns a timestamp with the time base of SystemClock.elapsedRealtime to keep durations
+        // relative to start time and avoid timezone change, including time spent in deep sleep.
+        public long getElapsedRealtime() {
+            return SystemClock.elapsedRealtime();
+        }
+    }
+}
diff --git a/service/src/com/android/metrics/NetworkRequestStateStatsMetrics.java b/service/src/com/android/metrics/NetworkRequestStateStatsMetrics.java
new file mode 100644
index 0000000..361ad22
--- /dev/null
+++ b/service/src/com/android/metrics/NetworkRequestStateStatsMetrics.java
@@ -0,0 +1,192 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.metrics;
+
+import static com.android.server.ConnectivityStatsLog.NETWORK_REQUEST_STATE_CHANGED;
+
+import android.annotation.NonNull;
+import android.net.NetworkRequest;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Looper;
+import android.os.Message;
+import android.os.SystemClock;
+import android.util.Log;
+import android.util.SparseArray;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.server.ConnectivityStatsLog;
+
+/**
+ * A Connectivity Service helper class to push atoms capturing network requests have been received
+ * and removed and its metadata.
+ *
+ * Atom events are logged in the ConnectivityStatsLog. Network request id: network request metadata
+ * hashmap is stored to calculate network request duration when it is removed.
+ *
+ * Note that this class is not thread-safe. The instance of the class needs to be
+ * synchronized in the callers when being used in multiple threads.
+ */
+public class NetworkRequestStateStatsMetrics {
+
+    private static final String TAG = "NetworkRequestStateStatsMetrics";
+    private static final int MSG_NETWORK_REQUEST_STATE_CHANGED = 0;
+
+    // 1 second internal is suggested by experiment team
+    private static final int ATOM_INTERVAL_MS = 1000;
+    private final SparseArray<NetworkRequestStateInfo> mNetworkRequestsActive;
+
+    private final Handler mStatsLoggingHandler;
+
+    private final Dependencies mDependencies;
+
+    private final NetworkRequestStateInfo.Dependencies mNRStateInfoDeps;
+
+    public NetworkRequestStateStatsMetrics() {
+        this(new Dependencies(), new NetworkRequestStateInfo.Dependencies());
+    }
+
+    @VisibleForTesting
+    NetworkRequestStateStatsMetrics(Dependencies deps,
+            NetworkRequestStateInfo.Dependencies nrStateInfoDeps) {
+        mNetworkRequestsActive = new SparseArray<>();
+        mDependencies = deps;
+        mNRStateInfoDeps = nrStateInfoDeps;
+        HandlerThread handlerThread = mDependencies.makeHandlerThread(TAG);
+        handlerThread.start();
+        mStatsLoggingHandler = new StatsLoggingHandler(handlerThread.getLooper());
+    }
+
+    /**
+     * Register network request receive event, push RECEIVE atom
+     *
+     * @param networkRequest network request received
+     */
+    public void onNetworkRequestReceived(NetworkRequest networkRequest) {
+        if (mNetworkRequestsActive.contains(networkRequest.requestId)) {
+            Log.w(TAG, "Received already registered network request, id = "
+                    + networkRequest.requestId);
+        } else {
+            Log.d(TAG, "Registered nr with ID = " + networkRequest.requestId
+                    + ", package_uid = " + networkRequest.networkCapabilities.getRequestorUid());
+            NetworkRequestStateInfo networkRequestStateInfo = new NetworkRequestStateInfo(
+                    networkRequest, mNRStateInfoDeps);
+            mNetworkRequestsActive.put(networkRequest.requestId, networkRequestStateInfo);
+            mStatsLoggingHandler.sendMessage(
+                    Message.obtain(
+                            mStatsLoggingHandler,
+                            MSG_NETWORK_REQUEST_STATE_CHANGED,
+                            networkRequestStateInfo));
+        }
+    }
+
+    /**
+     * Register network request remove event, push REMOVE atom
+     *
+     * @param networkRequest network request removed
+     */
+    public void onNetworkRequestRemoved(NetworkRequest networkRequest) {
+        NetworkRequestStateInfo networkRequestStateInfo = mNetworkRequestsActive.get(
+                networkRequest.requestId);
+        if (networkRequestStateInfo == null) {
+            Log.w(TAG, "This NR hasn't been registered. NR id = " + networkRequest.requestId);
+        } else {
+            Log.d(TAG, "Removed nr with ID = " + networkRequest.requestId);
+
+            mNetworkRequestsActive.remove(networkRequest.requestId);
+            networkRequestStateInfo.setNetworkRequestRemoved();
+            mStatsLoggingHandler.sendMessage(
+                    Message.obtain(
+                            mStatsLoggingHandler,
+                            MSG_NETWORK_REQUEST_STATE_CHANGED,
+                            networkRequestStateInfo));
+
+        }
+    }
+
+    /** Dependency class */
+    public static class Dependencies {
+        /**
+         * Creates a thread with provided tag.
+         *
+         * @param tag for the thread.
+         */
+        public HandlerThread makeHandlerThread(@NonNull final String tag) {
+            return new HandlerThread(tag);
+        }
+
+        /**
+         * Sleeps the thread for provided intervalMs millis.
+         *
+         * @param intervalMs number of millis for the thread sleep.
+         */
+        public void threadSleep(int intervalMs) {
+            try {
+                Thread.sleep(intervalMs);
+            } catch (InterruptedException e) {
+                Log.w(TAG, "Cool down interrupted!", e);
+            }
+        }
+
+        /**
+         * Writes a NETWORK_REQUEST_STATE_CHANGED event to ConnectivityStatsLog.
+         *
+         * @param networkRequestStateInfo NetworkRequestStateInfo containing network request info.
+         */
+        public void writeStats(NetworkRequestStateInfo networkRequestStateInfo) {
+            ConnectivityStatsLog.write(
+                    NETWORK_REQUEST_STATE_CHANGED,
+                    networkRequestStateInfo.getPackageUid(),
+                    networkRequestStateInfo.getTransportTypes(),
+                    networkRequestStateInfo.getNetCapabilityNotMetered(),
+                    networkRequestStateInfo.getNetCapabilityInternet(),
+                    networkRequestStateInfo.getNetworkRequestStateStatsType(),
+                    networkRequestStateInfo.getNetworkRequestDurationMillis());
+        }
+    }
+
+    private class StatsLoggingHandler extends Handler {
+        private static final String TAG = "NetworkRequestsStateStatsLoggingHandler";
+        private long mLastLogTime = 0;
+
+        StatsLoggingHandler(Looper looper) {
+            super(looper);
+        }
+
+        private void checkStatsLoggingTimeout() {
+            // Cool down before next execution. Required by atom logging frequency.
+            long now = SystemClock.elapsedRealtime();
+            if (now - mLastLogTime < ATOM_INTERVAL_MS) {
+                mDependencies.threadSleep(ATOM_INTERVAL_MS);
+            }
+            mLastLogTime = now;
+        }
+
+        @Override
+        public void handleMessage(Message msg) {
+            NetworkRequestStateInfo loggingInfo;
+            switch (msg.what) {
+                case MSG_NETWORK_REQUEST_STATE_CHANGED:
+                    checkStatsLoggingTimeout();
+                    loggingInfo = (NetworkRequestStateInfo) msg.obj;
+                    mDependencies.writeStats(loggingInfo);
+                    break;
+                default: // fall out
+            }
+        }
+    }
+}
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index 7920fbe..b4efa34 100755
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -281,6 +281,7 @@
 import com.android.metrics.NetworkDescription;
 import com.android.metrics.NetworkList;
 import com.android.metrics.NetworkRequestCount;
+import com.android.metrics.NetworkRequestStateStatsMetrics;
 import com.android.metrics.RequestCountForType;
 import com.android.modules.utils.BasicShellCommandHandler;
 import com.android.modules.utils.build.SdkLevel;
@@ -941,6 +942,8 @@
 
     private final IpConnectivityLog mMetricsLog;
 
+    private final NetworkRequestStateStatsMetrics mNetworkRequestStateStatsMetrics;
+
     @GuardedBy("mBandwidthRequests")
     private final SparseArray<Integer> mBandwidthRequests = new SparseArray<>(10);
 
@@ -1422,6 +1425,19 @@
         }
 
         /**
+         * @see NetworkRequestStateStatsMetrics
+         */
+        public NetworkRequestStateStatsMetrics makeNetworkRequestStateStatsMetrics(
+                Context context) {
+            // We currently have network requests metric for Watch devices only
+            if (context.getPackageManager().hasSystemFeature(FEATURE_WATCH)) {
+                return  new NetworkRequestStateStatsMetrics();
+            } else {
+                return null;
+            }
+        }
+
+        /**
          * @see BatteryStatsManager
          */
         public void reportNetworkInterfaceForTransports(Context context, String iface,
@@ -1654,6 +1670,7 @@
                 new RequestInfoPerUidCounter(MAX_NETWORK_REQUESTS_PER_SYSTEM_UID - 1);
 
         mMetricsLog = logger;
+        mNetworkRequestStateStatsMetrics = mDeps.makeNetworkRequestStateStatsMetrics(mContext);
         final NetworkRequest defaultInternetRequest = createDefaultRequest();
         mDefaultRequest = new NetworkRequestInfo(
                 Process.myUid(), defaultInternetRequest, null,
@@ -5324,6 +5341,8 @@
                             updateSignalStrengthThresholds(network, "REGISTER", req);
                         }
                     }
+                } else if (req.isRequest() && mNetworkRequestStateStatsMetrics != null) {
+                    mNetworkRequestStateStatsMetrics.onNetworkRequestReceived(req);
                 }
             }
 
@@ -5541,6 +5560,8 @@
             }
             if (req.isListen()) {
                 removeListenRequestFromNetworks(req);
+            } else if (req.isRequest() && mNetworkRequestStateStatsMetrics != null) {
+                mNetworkRequestStateStatsMetrics.onNetworkRequestRemoved(req);
             }
         }
         nri.unlinkDeathRecipient();
diff --git a/tests/unit/java/com/android/metrics/NetworkRequestStateInfoTest.java b/tests/unit/java/com/android/metrics/NetworkRequestStateInfoTest.java
new file mode 100644
index 0000000..5709ed1
--- /dev/null
+++ b/tests/unit/java/com/android/metrics/NetworkRequestStateInfoTest.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.metrics;
+
+import static com.android.server.ConnectivityStatsLog.NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_RECEIVED;
+import static com.android.server.ConnectivityStatsLog.NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_REMOVED;
+
+import static org.junit.Assert.assertEquals;
+
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
+import android.os.Build;
+
+import com.android.testutils.DevSdkIgnoreRule;
+import com.android.testutils.DevSdkIgnoreRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(DevSdkIgnoreRunner.class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
+public class NetworkRequestStateInfoTest {
+
+    @Mock
+    private NetworkRequestStateInfo.Dependencies mDependencies;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+    }
+    @Test
+    public void testSetNetworkRequestRemoved() {
+        final long nrStartTime = 1L;
+        final long nrEndTime = 101L;
+
+        NetworkRequest notMeteredWifiNetworkRequest = new NetworkRequest(
+                new NetworkCapabilities()
+                        .addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
+                        .setCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED, true),
+                0, 1, NetworkRequest.Type.REQUEST
+        );
+
+        // This call will be used to calculate NR received time
+        Mockito.when(mDependencies.getElapsedRealtime()).thenReturn(nrStartTime);
+        NetworkRequestStateInfo mNetworkRequestStateInfo = new NetworkRequestStateInfo(
+                notMeteredWifiNetworkRequest, mDependencies);
+
+        // This call will be used to calculate NR removed time
+        Mockito.when(mDependencies.getElapsedRealtime()).thenReturn(nrEndTime);
+        mNetworkRequestStateInfo.setNetworkRequestRemoved();
+        assertEquals(
+                nrEndTime - nrStartTime,
+                mNetworkRequestStateInfo.getNetworkRequestDurationMillis());
+        assertEquals(mNetworkRequestStateInfo.getNetworkRequestStateStatsType(),
+                NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_REMOVED);
+    }
+
+    @Test
+    public void testCheckInitialState() {
+        NetworkRequestStateInfo mNetworkRequestStateInfo = new NetworkRequestStateInfo(
+                new NetworkRequest(new NetworkCapabilities(), 0, 1, NetworkRequest.Type.REQUEST),
+                mDependencies);
+        assertEquals(mNetworkRequestStateInfo.getNetworkRequestStateStatsType(),
+                NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_RECEIVED);
+    }
+}
diff --git a/tests/unit/java/com/android/metrics/NetworkRequestStateStatsMetricsTest.java b/tests/unit/java/com/android/metrics/NetworkRequestStateStatsMetricsTest.java
new file mode 100644
index 0000000..17a0719
--- /dev/null
+++ b/tests/unit/java/com/android/metrics/NetworkRequestStateStatsMetricsTest.java
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.metrics;
+
+
+import static com.android.server.ConnectivityStatsLog.NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_RECEIVED;
+import static com.android.server.ConnectivityStatsLog.NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_REMOVED;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.clearInvocations;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import android.net.NetworkCapabilities;
+import android.net.NetworkRequest;
+import android.os.HandlerThread;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.testutils.HandlerUtils;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public class NetworkRequestStateStatsMetricsTest {
+    @Mock
+    private NetworkRequestStateStatsMetrics.Dependencies mNRStateStatsDeps;
+    @Mock
+    private NetworkRequestStateInfo.Dependencies mNRStateInfoDeps;
+    @Captor
+    private ArgumentCaptor<NetworkRequestStateInfo> mNetworkRequestStateInfoCaptor;
+    private NetworkRequestStateStatsMetrics mNetworkRequestStateStatsMetrics;
+    private HandlerThread mHandlerThread;
+    private static final int TEST_REQUEST_ID = 10;
+    private static final int TEST_PACKAGE_UID = 20;
+    private static final int TIMEOUT_MS = 30_000;
+    private static final NetworkRequest NOT_METERED_WIFI_NETWORK_REQUEST = new NetworkRequest(
+            new NetworkCapabilities()
+                    .addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
+                    .setCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED, true)
+                    .setCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET, false)
+                    .setRequestorUid(TEST_PACKAGE_UID),
+            0, TEST_REQUEST_ID, NetworkRequest.Type.REQUEST
+    );
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mHandlerThread = new HandlerThread("NetworkRequestStateStatsMetrics");
+        Mockito.when(mNRStateStatsDeps.makeHandlerThread("NetworkRequestStateStatsMetrics"))
+                .thenReturn(mHandlerThread);
+        mNetworkRequestStateStatsMetrics = new NetworkRequestStateStatsMetrics(
+                mNRStateStatsDeps, mNRStateInfoDeps);
+    }
+
+    @Test
+    public void testNetworkRequestReceivedRemoved() {
+        final long nrStartTime = 1L;
+        final long nrEndTime = 101L;
+        // This call will be used to calculate NR received time
+        Mockito.when(mNRStateInfoDeps.getElapsedRealtime()).thenReturn(nrStartTime);
+        mNetworkRequestStateStatsMetrics.onNetworkRequestReceived(NOT_METERED_WIFI_NETWORK_REQUEST);
+        HandlerUtils.waitForIdle(mHandlerThread, TIMEOUT_MS);
+
+        verify(mNRStateStatsDeps, times(1))
+                .writeStats(mNetworkRequestStateInfoCaptor.capture());
+
+        NetworkRequestStateInfo nrStateInfoSent = mNetworkRequestStateInfoCaptor.getValue();
+        assertEquals(NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_RECEIVED,
+                nrStateInfoSent.getNetworkRequestStateStatsType());
+        assertEquals(NOT_METERED_WIFI_NETWORK_REQUEST.requestId, nrStateInfoSent.getRequestId());
+        assertEquals(TEST_PACKAGE_UID, nrStateInfoSent.getPackageUid());
+        assertEquals(1 << NetworkCapabilities.TRANSPORT_WIFI, nrStateInfoSent.getTransportTypes());
+        assertTrue(nrStateInfoSent.getNetCapabilityNotMetered());
+        assertFalse(nrStateInfoSent.getNetCapabilityInternet());
+        assertEquals(0, nrStateInfoSent.getNetworkRequestDurationMillis());
+
+        clearInvocations(mNRStateStatsDeps);
+        // This call will be used to calculate NR removed time
+        Mockito.when(mNRStateInfoDeps.getElapsedRealtime()).thenReturn(nrEndTime);
+        mNetworkRequestStateStatsMetrics.onNetworkRequestRemoved(NOT_METERED_WIFI_NETWORK_REQUEST);
+        HandlerUtils.waitForIdle(mHandlerThread, TIMEOUT_MS);
+
+        verify(mNRStateStatsDeps, times(1))
+                .writeStats(mNetworkRequestStateInfoCaptor.capture());
+
+        nrStateInfoSent = mNetworkRequestStateInfoCaptor.getValue();
+        assertEquals(NETWORK_REQUEST_STATE_CHANGED__STATE__NETWORK_REQUEST_STATE_REMOVED,
+                nrStateInfoSent.getNetworkRequestStateStatsType());
+        assertEquals(NOT_METERED_WIFI_NETWORK_REQUEST.requestId, nrStateInfoSent.getRequestId());
+        assertEquals(TEST_PACKAGE_UID, nrStateInfoSent.getPackageUid());
+        assertEquals(1 << NetworkCapabilities.TRANSPORT_WIFI, nrStateInfoSent.getTransportTypes());
+        assertTrue(nrStateInfoSent.getNetCapabilityNotMetered());
+        assertFalse(nrStateInfoSent.getNetCapabilityInternet());
+        assertEquals(nrEndTime - nrStartTime, nrStateInfoSent.getNetworkRequestDurationMillis());
+    }
+
+    @Test
+    public void testUnreceivedNetworkRequestRemoved() {
+        mNetworkRequestStateStatsMetrics.onNetworkRequestRemoved(NOT_METERED_WIFI_NETWORK_REQUEST);
+        HandlerUtils.waitForIdle(mHandlerThread, TIMEOUT_MS);
+        verify(mNRStateStatsDeps, never())
+                .writeStats(any(NetworkRequestStateInfo.class));
+    }
+
+    @Test
+    public void testExistingNetworkRequestReceived() {
+        mNetworkRequestStateStatsMetrics.onNetworkRequestReceived(NOT_METERED_WIFI_NETWORK_REQUEST);
+        HandlerUtils.waitForIdle(mHandlerThread, TIMEOUT_MS);
+        verify(mNRStateStatsDeps, times(1))
+                .writeStats(any(NetworkRequestStateInfo.class));
+
+        clearInvocations(mNRStateStatsDeps);
+        mNetworkRequestStateStatsMetrics.onNetworkRequestReceived(NOT_METERED_WIFI_NETWORK_REQUEST);
+        HandlerUtils.waitForIdle(mHandlerThread, TIMEOUT_MS);
+        verify(mNRStateStatsDeps, never())
+                .writeStats(any(NetworkRequestStateInfo.class));
+
+    }
+}
diff --git a/tests/unit/java/com/android/server/connectivityservice/CSNetworkRequestStateStatsMetricsTests.kt b/tests/unit/java/com/android/server/connectivityservice/CSNetworkRequestStateStatsMetricsTests.kt
new file mode 100644
index 0000000..35f8ae5
--- /dev/null
+++ b/tests/unit/java/com/android/server/connectivityservice/CSNetworkRequestStateStatsMetricsTests.kt
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server
+
+import android.net.NetworkCapabilities
+import android.net.NetworkRequest
+import android.os.Build
+import android.os.Process
+import com.android.testutils.DevSdkIgnoreRule
+import com.android.testutils.DevSdkIgnoreRunner
+import com.android.testutils.TestableNetworkCallback
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mockito.argThat
+import org.mockito.Mockito.clearInvocations
+import org.mockito.Mockito.never
+import org.mockito.Mockito.verify
+
+@RunWith(DevSdkIgnoreRunner::class)
+@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
+class CSNetworkRequestStateStatsMetricsTests : CSTest() {
+    private val CELL_INTERNET_NOT_METERED_NC = NetworkCapabilities.Builder()
+            .addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR)
+            .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
+            .addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED)
+            .build().setRequestorUidAndPackageName(Process.myUid(), context.getPackageName())
+
+    private val CELL_INTERNET_NOT_METERED_NR = NetworkRequest.Builder()
+            .setCapabilities(CELL_INTERNET_NOT_METERED_NC).build()
+
+    @Before
+    fun setup() {
+        waitForIdle()
+        clearInvocations(networkRequestStateStatsMetrics)
+    }
+
+    @Test
+    fun testRequestTypeNRProduceMetrics() {
+        cm.requestNetwork(CELL_INTERNET_NOT_METERED_NR, TestableNetworkCallback())
+        waitForIdle()
+
+        verify(networkRequestStateStatsMetrics).onNetworkRequestReceived(
+                argThat{req -> req.networkCapabilities.equals(
+                        CELL_INTERNET_NOT_METERED_NR.networkCapabilities)})
+    }
+
+    @Test
+    fun testListenTypeNRProduceNoMetrics() {
+        cm.registerNetworkCallback(CELL_INTERNET_NOT_METERED_NR, TestableNetworkCallback())
+        waitForIdle()
+        verify(networkRequestStateStatsMetrics, never()).onNetworkRequestReceived(any())
+    }
+
+    @Test
+    fun testRemoveRequestTypeNRProduceMetrics() {
+        val cb = TestableNetworkCallback()
+        cm.requestNetwork(CELL_INTERNET_NOT_METERED_NR, cb)
+
+        waitForIdle()
+        clearInvocations(networkRequestStateStatsMetrics)
+
+        cm.unregisterNetworkCallback(cb)
+        waitForIdle()
+        verify(networkRequestStateStatsMetrics).onNetworkRequestRemoved(
+                argThat{req -> req.networkCapabilities.equals(
+                        CELL_INTERNET_NOT_METERED_NR.networkCapabilities)})
+    }
+}
diff --git a/tests/unit/java/com/android/server/connectivityservice/base/CSTest.kt b/tests/unit/java/com/android/server/connectivityservice/base/CSTest.kt
index 958c4f2..5c9a762 100644
--- a/tests/unit/java/com/android/server/connectivityservice/base/CSTest.kt
+++ b/tests/unit/java/com/android/server/connectivityservice/base/CSTest.kt
@@ -54,6 +54,7 @@
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.internal.app.IBatteryStats
 import com.android.internal.util.test.BroadcastInterceptingContext
+import com.android.metrics.NetworkRequestStateStatsMetrics
 import com.android.modules.utils.build.SdkLevel
 import com.android.net.module.util.ArrayTrackRecord
 import com.android.networkstack.apishim.common.UnsupportedApiLevelException
@@ -157,6 +158,7 @@
     val netd = mock<INetd>()
     val bpfNetMaps = mock<BpfNetMaps>()
     val clatCoordinator = mock<ClatCoordinator>()
+    val networkRequestStateStatsMetrics = mock<NetworkRequestStateStatsMetrics>()
     val proxyTracker = ProxyTracker(context, mock<Handler>(), 16 /* EVENT_PROXY_HAS_CHANGED */)
     val alarmManager = makeMockAlarmManager()
     val systemConfigManager = makeMockSystemConfigManager()
@@ -197,6 +199,9 @@
                 MultinetworkPolicyTracker(c, h, r,
                         MultinetworkPolicyTrackerTestDependencies(connResources.get()))
 
+        override fun makeNetworkRequestStateStatsMetrics(c: Context) =
+                this@CSTest.networkRequestStateStatsMetrics
+
         // All queried features must be mocked, because the test cannot hold the
         // READ_DEVICE_CONFIG permission and device config utils use static methods for
         // checking permissions.
diff --git a/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java b/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
index 7a4dfed..5c7fdb6 100644
--- a/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
+++ b/tests/unit/java/com/android/server/net/NetworkStatsServiceTest.java
@@ -169,7 +169,6 @@
 
 import java.io.File;
 import java.io.FileDescriptor;
-import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.nio.file.Files;
@@ -424,131 +423,132 @@
     }
 
     @NonNull
-    private NetworkStatsService.Dependencies makeDependencies() {
-        return new NetworkStatsService.Dependencies() {
-            @Override
-            public File getLegacyStatsDir() {
-                return mLegacyStatsDir;
-            }
+    private TestDependencies makeDependencies() {
+        return new TestDependencies();
+    }
 
-            @Override
-            public File getOrCreateStatsDir() {
-                return mStatsDir;
-            }
+    class TestDependencies extends NetworkStatsService.Dependencies {
+        @Override
+        public File getLegacyStatsDir() {
+            return mLegacyStatsDir;
+        }
 
-            @Override
-            public boolean getStoreFilesInApexData() {
-                return mStoreFilesInApexData;
-            }
+        @Override
+        public File getOrCreateStatsDir() {
+            return mStatsDir;
+        }
 
-            @Override
-            public int getImportLegacyTargetAttempts() {
-                return mImportLegacyTargetAttempts;
-            }
+        @Override
+        public boolean getStoreFilesInApexData() {
+            return mStoreFilesInApexData;
+        }
 
-            @Override
-            public PersistentInt createPersistentCounter(@androidx.annotation.NonNull Path dir,
-                    @androidx.annotation.NonNull String name) throws IOException {
-                switch (name) {
-                    case NETSTATS_IMPORT_ATTEMPTS_COUNTER_NAME:
-                        return mImportLegacyAttemptsCounter;
-                    case NETSTATS_IMPORT_SUCCESSES_COUNTER_NAME:
-                        return mImportLegacySuccessesCounter;
-                    case NETSTATS_IMPORT_FALLBACKS_COUNTER_NAME:
-                        return mImportLegacyFallbacksCounter;
-                    default:
-                        throw new IllegalArgumentException("Unknown counter name: " + name);
-                }
-            }
+        @Override
+        public int getImportLegacyTargetAttempts() {
+            return mImportLegacyTargetAttempts;
+        }
 
-            @Override
-            public NetworkStatsCollection readPlatformCollection(
-                    @NonNull String prefix, long bucketDuration) {
-                return mPlatformNetworkStatsCollection.get(prefix);
+        @Override
+        public PersistentInt createPersistentCounter(@NonNull Path dir, @NonNull String name) {
+            switch (name) {
+                case NETSTATS_IMPORT_ATTEMPTS_COUNTER_NAME:
+                    return mImportLegacyAttemptsCounter;
+                case NETSTATS_IMPORT_SUCCESSES_COUNTER_NAME:
+                    return mImportLegacySuccessesCounter;
+                case NETSTATS_IMPORT_FALLBACKS_COUNTER_NAME:
+                    return mImportLegacyFallbacksCounter;
+                default:
+                    throw new IllegalArgumentException("Unknown counter name: " + name);
             }
+        }
 
-            @Override
-            public HandlerThread makeHandlerThread() {
-                return mHandlerThread;
-            }
+        @Override
+        public NetworkStatsCollection readPlatformCollection(
+                @NonNull String prefix, long bucketDuration) {
+            return mPlatformNetworkStatsCollection.get(prefix);
+        }
 
-            @Override
-            public NetworkStatsSubscriptionsMonitor makeSubscriptionsMonitor(
-                    @NonNull Context context, @NonNull Executor executor,
-                    @NonNull NetworkStatsService service) {
+        @Override
+        public HandlerThread makeHandlerThread() {
+            return mHandlerThread;
+        }
 
-                return mNetworkStatsSubscriptionsMonitor;
-            }
+        @Override
+        public NetworkStatsSubscriptionsMonitor makeSubscriptionsMonitor(
+                @NonNull Context context, @NonNull Executor executor,
+                @NonNull NetworkStatsService service) {
 
-            @Override
-            public ContentObserver makeContentObserver(Handler handler,
-                    NetworkStatsSettings settings, NetworkStatsSubscriptionsMonitor monitor) {
-                mHandler = handler;
-                return mContentObserver = super.makeContentObserver(handler, settings, monitor);
-            }
+            return mNetworkStatsSubscriptionsMonitor;
+        }
 
-            @Override
-            public LocationPermissionChecker makeLocationPermissionChecker(final Context context) {
-                return mLocationPermissionChecker;
-            }
+        @Override
+        public ContentObserver makeContentObserver(Handler handler,
+                NetworkStatsSettings settings, NetworkStatsSubscriptionsMonitor monitor) {
+            mHandler = handler;
+            return mContentObserver = super.makeContentObserver(handler, settings, monitor);
+        }
 
-            @Override
-            public BpfInterfaceMapUpdater makeBpfInterfaceMapUpdater(
-                    @NonNull Context ctx, @NonNull Handler handler) {
-                return mBpfInterfaceMapUpdater;
-            }
+        @Override
+        public LocationPermissionChecker makeLocationPermissionChecker(final Context context) {
+            return mLocationPermissionChecker;
+        }
 
-            @Override
-            public IBpfMap<S32, U8> getUidCounterSetMap() {
-                return mUidCounterSetMap;
-            }
+        @Override
+        public BpfInterfaceMapUpdater makeBpfInterfaceMapUpdater(
+                @NonNull Context ctx, @NonNull Handler handler) {
+            return mBpfInterfaceMapUpdater;
+        }
 
-            @Override
-            public IBpfMap<CookieTagMapKey, CookieTagMapValue> getCookieTagMap() {
-                return mCookieTagMap;
-            }
+        @Override
+        public IBpfMap<S32, U8> getUidCounterSetMap() {
+            return mUidCounterSetMap;
+        }
 
-            @Override
-            public IBpfMap<StatsMapKey, StatsMapValue> getStatsMapA() {
-                return mStatsMapA;
-            }
+        @Override
+        public IBpfMap<CookieTagMapKey, CookieTagMapValue> getCookieTagMap() {
+            return mCookieTagMap;
+        }
 
-            @Override
-            public IBpfMap<StatsMapKey, StatsMapValue> getStatsMapB() {
-                return mStatsMapB;
-            }
+        @Override
+        public IBpfMap<StatsMapKey, StatsMapValue> getStatsMapA() {
+            return mStatsMapA;
+        }
 
-            @Override
-            public IBpfMap<UidStatsMapKey, StatsMapValue> getAppUidStatsMap() {
-                return mAppUidStatsMap;
-            }
+        @Override
+        public IBpfMap<StatsMapKey, StatsMapValue> getStatsMapB() {
+            return mStatsMapB;
+        }
 
-            @Override
-            public IBpfMap<S32, StatsMapValue> getIfaceStatsMap() {
-                return mIfaceStatsMap;
-            }
+        @Override
+        public IBpfMap<UidStatsMapKey, StatsMapValue> getAppUidStatsMap() {
+            return mAppUidStatsMap;
+        }
 
-            @Override
-            public boolean isDebuggable() {
-                return mIsDebuggable == Boolean.TRUE;
-            }
+        @Override
+        public IBpfMap<S32, StatsMapValue> getIfaceStatsMap() {
+            return mIfaceStatsMap;
+        }
 
-            @Override
-            public BpfNetMaps makeBpfNetMaps(Context ctx) {
-                return mBpfNetMaps;
-            }
+        @Override
+        public boolean isDebuggable() {
+            return mIsDebuggable == Boolean.TRUE;
+        }
 
-            @Override
-            public SkDestroyListener makeSkDestroyListener(
-                    IBpfMap<CookieTagMapKey, CookieTagMapValue> cookieTagMap, Handler handler) {
-                return mSkDestroyListener;
-            }
+        @Override
+        public BpfNetMaps makeBpfNetMaps(Context ctx) {
+            return mBpfNetMaps;
+        }
 
-            @Override
-            public boolean supportEventLogger(@NonNull Context cts) {
-                return true;
-            }
-        };
+        @Override
+        public SkDestroyListener makeSkDestroyListener(
+                IBpfMap<CookieTagMapKey, CookieTagMapValue> cookieTagMap, Handler handler) {
+            return mSkDestroyListener;
+        }
+
+        @Override
+        public boolean supportEventLogger(@NonNull Context cts) {
+            return true;
+        }
     }
 
     @After