Merge "Check iface by TextUtils.equals"
diff --git a/core/java/android/net/InternalNetworkManagementException.java b/core/java/android/net/InternalNetworkManagementException.java
deleted file mode 100644
index 7f4e403..0000000
--- a/core/java/android/net/InternalNetworkManagementException.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2021 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 android.net;
-
-import android.annotation.NonNull;
-import android.os.Parcel;
-import android.os.Parcelable;
-
-/** @hide */
-public final class InternalNetworkManagementException
- extends RuntimeException implements Parcelable {
-
- /* @hide */
- public InternalNetworkManagementException(@NonNull final Throwable t) {
- super(t);
- }
-
- private InternalNetworkManagementException(@NonNull final Parcel source) {
- super(source.readString());
- }
-
- @Override
- public void writeToParcel(@NonNull Parcel dest, int flags) {
- dest.writeString(getCause().getMessage());
- }
-
- @Override
- public int describeContents() {
- return 0;
- }
-
- @NonNull
- public static final Parcelable.Creator<InternalNetworkManagementException> CREATOR =
- new Parcelable.Creator<InternalNetworkManagementException>() {
- @Override
- public InternalNetworkManagementException[] newArray(int size) {
- return new InternalNetworkManagementException[size];
- }
-
- @Override
- public InternalNetworkManagementException createFromParcel(@NonNull Parcel source) {
- return new InternalNetworkManagementException(source);
- }
- };
-}
diff --git a/framework-t/Sources.bp b/framework-t/Sources.bp
index 90bb76a..6329565 100644
--- a/framework-t/Sources.bp
+++ b/framework-t/Sources.bp
@@ -39,7 +39,6 @@
"src/android/net/TrafficStats.java",
"src/android/net/UnderlyingNetworkInfo.*",
"src/android/net/netstats/**/*.*",
- "src/com/android/server/NetworkManagementSocketTagger.java",
],
path: "src",
visibility: [
@@ -126,8 +125,13 @@
name: "framework-connectivity-ethernet-sources",
srcs: [
"src/android/net/EthernetManager.java",
+ "src/android/net/EthernetNetworkManagementException.java",
+ "src/android/net/EthernetNetworkManagementException.aidl",
"src/android/net/EthernetNetworkSpecifier.java",
+ "src/android/net/EthernetNetworkUpdateRequest.java",
+ "src/android/net/EthernetNetworkUpdateRequest.aidl",
"src/android/net/IEthernetManager.aidl",
+ "src/android/net/IEthernetNetworkManagementListener.aidl",
"src/android/net/IEthernetServiceListener.aidl",
"src/android/net/ITetheredInterfaceCallback.aidl",
],
@@ -154,10 +158,51 @@
name: "framework-connectivity-tiramisu-sources",
srcs: [
":framework-connectivity-ethernet-sources",
- ":framework-connectivity-ipsec-sources",
":framework-connectivity-netstats-sources",
+ ],
+ visibility: ["//frameworks/base"],
+}
+
+filegroup {
+ name: "framework-connectivity-tiramisu-updatable-sources",
+ srcs: [
+ ":framework-connectivity-ipsec-sources",
":framework-connectivity-nsd-sources",
":framework-connectivity-tiramisu-internal-sources",
],
- visibility: ["//frameworks/base"],
+ visibility: [
+ "//frameworks/base",
+ "//packages/modules/Connectivity:__subpackages__",
+ ],
+}
+
+cc_library_shared {
+ name: "libframework-connectivity-tiramisu-jni",
+ min_sdk_version: "30",
+ cflags: [
+ "-Wall",
+ "-Werror",
+ "-Wno-unused-parameter",
+ // Don't warn about S API usage even with
+ // min_sdk 30: the library is only loaded
+ // on S+ devices
+ "-Wno-unguarded-availability",
+ "-Wthread-safety",
+ ],
+ srcs: [
+ "jni/android_net_TrafficStats.cpp",
+ "jni/onload.cpp",
+ ],
+ shared_libs: [
+ "liblog",
+ ],
+ static_libs: [
+ "libnativehelper_compat_libc++",
+ ],
+ stl: "none",
+ apex_available: [
+ "com.android.tethering",
+ // TODO: remove when ConnectivityT moves to APEX.
+ "//apex_available:platform",
+ ],
}
diff --git a/framework-t/jni/android_net_TrafficStats.cpp b/framework-t/jni/android_net_TrafficStats.cpp
new file mode 100644
index 0000000..f3c58b1
--- /dev/null
+++ b/framework-t/jni/android_net_TrafficStats.cpp
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#include <android/file_descriptor_jni.h>
+#include <android/multinetwork.h>
+#include <nativehelper/JNIHelp.h>
+
+namespace android {
+
+static jint tagSocketFd(JNIEnv* env, jclass, jobject fileDescriptor, jint tag, jint uid) {
+ int fd = AFileDescriptor_getFd(env, fileDescriptor);
+ if (fd == -1) return -EBADF;
+ return android_tag_socket_with_uid(fd, tag, uid);
+}
+
+static jint untagSocketFd(JNIEnv* env, jclass, jobject fileDescriptor) {
+ int fd = AFileDescriptor_getFd(env, fileDescriptor);
+ if (fd == -1) return -EBADF;
+ return android_untag_socket(fd);
+}
+
+static const JNINativeMethod gMethods[] = {
+ /* name, signature, funcPtr */
+ { "native_tagSocketFd", "(Ljava/io/FileDescriptor;II)I", (void*) tagSocketFd },
+ { "native_untagSocketFd", "(Ljava/io/FileDescriptor;)I", (void*) untagSocketFd },
+};
+
+int register_android_net_TrafficStats(JNIEnv* env) {
+ return jniRegisterNativeMethods(env, "android/net/TrafficStats", gMethods, NELEM(gMethods));
+}
+
+}; // namespace android
+
diff --git a/framework-t/jni/onload.cpp b/framework-t/jni/onload.cpp
new file mode 100644
index 0000000..1fb42c6
--- /dev/null
+++ b/framework-t/jni/onload.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#define LOG_TAG "FrameworkConnectivityJNI"
+
+#include <log/log.h>
+#include <nativehelper/JNIHelp.h>
+
+namespace android {
+
+int register_android_net_TrafficStats(JNIEnv* env);
+
+extern "C" jint JNI_OnLoad(JavaVM* vm, void*) {
+ JNIEnv *env;
+ if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
+ __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "ERROR: GetEnv failed");
+ return JNI_ERR;
+ }
+
+ if (register_android_net_TrafficStats(env) < 0) return JNI_ERR;
+
+ return JNI_VERSION_1_6;
+}
+
+}; // namespace android
+
diff --git a/framework-t/src/android/app/usage/NetworkStats.java b/framework-t/src/android/app/usage/NetworkStats.java
index f684a4d..2b6570a 100644
--- a/framework-t/src/android/app/usage/NetworkStats.java
+++ b/framework-t/src/android/app/usage/NetworkStats.java
@@ -545,9 +545,18 @@
}
/**
+ * Collects tagged summary results and sets summary enumeration mode.
+ * @throws RemoteException
+ */
+ void startTaggedSummaryEnumeration() throws RemoteException {
+ mSummary = mSession.getTaggedSummaryForAllUid(mTemplate, mStartTimeStamp, mEndTimeStamp);
+ mEnumerationIndex = 0;
+ }
+
+ /**
* Collects history results for uid and resets history enumeration index.
*/
- void startHistoryEnumeration(int uid, int tag, int state) {
+ void startHistoryUidEnumeration(int uid, int tag, int state) {
mHistory = null;
try {
mHistory = mSession.getHistoryIntervalForUid(mTemplate, uid,
@@ -562,6 +571,20 @@
}
/**
+ * Collects history results for network and resets history enumeration index.
+ */
+ void startHistoryDeviceEnumeration() {
+ try {
+ mHistory = mSession.getHistoryIntervalForNetwork(
+ mTemplate, NetworkStatsHistory.FIELD_ALL, mStartTimeStamp, mEndTimeStamp);
+ } catch (RemoteException e) {
+ Log.w(TAG, e);
+ mHistory = null;
+ }
+ mEnumerationIndex = 0;
+ }
+
+ /**
* Starts uid enumeration for current user.
* @throws RemoteException
*/
diff --git a/framework-t/src/android/app/usage/NetworkStatsManager.java b/framework-t/src/android/app/usage/NetworkStatsManager.java
index a316b8a..5ce7e59 100644
--- a/framework-t/src/android/app/usage/NetworkStatsManager.java
+++ b/framework-t/src/android/app/usage/NetworkStatsManager.java
@@ -17,7 +17,11 @@
package android.app.usage;
import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
+import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
+import android.Manifest;
+import android.annotation.CallbackExecutor;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.RequiresPermission;
@@ -36,14 +40,12 @@
import android.net.NetworkStateSnapshot;
import android.net.NetworkTemplate;
import android.net.UnderlyingNetworkInfo;
+import android.net.netstats.IUsageCallback;
+import android.net.netstats.NetworkStatsDataMigrationUtils;
import android.net.netstats.provider.INetworkStatsProviderCallback;
import android.net.netstats.provider.NetworkStatsProvider;
-import android.os.Binder;
import android.os.Build;
import android.os.Handler;
-import android.os.Looper;
-import android.os.Message;
-import android.os.Messenger;
import android.os.RemoteException;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
@@ -54,6 +56,7 @@
import java.util.List;
import java.util.Objects;
+import java.util.concurrent.Executor;
/**
* Provides access to network usage history and statistics. Usage data is collected in
@@ -123,6 +126,14 @@
private final Context mContext;
private final INetworkStatsService mService;
+ /**
+ * @deprecated Use {@link NetworkStatsDataMigrationUtils#PREFIX_XT}
+ * instead.
+ * @hide
+ */
+ @Deprecated
+ public static final String PREFIX_DEV = "dev";
+
/** @hide */
public static final int FLAG_POLL_ON_OPEN = 1 << 0;
/** @hide */
@@ -130,6 +141,18 @@
/** @hide */
public static final int FLAG_AUGMENT_WITH_SUBSCRIPTION_PLAN = 1 << 2;
+ /**
+ * Virtual RAT type to represent 5G NSA (Non Stand Alone) mode, where the primary cell is
+ * still LTE and network allocates a secondary 5G cell so telephony reports RAT = LTE along
+ * with NR state as connected. This is a concept added by NetworkStats on top of the telephony
+ * constants for backward compatibility of metrics so this should not be overlapped with any of
+ * the {@code TelephonyManager.NETWORK_TYPE_*} constants.
+ *
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static final int NETWORK_TYPE_5G_NSA = -2;
+
private int mFlags;
/** @hide */
@@ -142,6 +165,25 @@
}
/** @hide */
+ public INetworkStatsService getBinder() {
+ return mService;
+ }
+
+ /**
+ * Set poll on open flag to indicate the poll is needed before service gets statistics
+ * result. This is default enabled. However, for any non-privileged caller, the poll might
+ * be omitted in case of rate limiting.
+ *
+ * @param pollOnOpen true if poll is needed.
+ * @hide
+ */
+ // The system will ignore any non-default values for non-privileged
+ // processes, so processes that don't hold the appropriate permissions
+ // can make no use of this API.
+ @SystemApi(client = MODULE_LIBRARIES)
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK})
public void setPollOnOpen(boolean pollOnOpen) {
if (pollOnOpen) {
mFlags |= FLAG_POLL_ON_OPEN;
@@ -195,9 +237,10 @@
*/
@NonNull
@WorkerThread
- // @SystemApi(client = MODULE_LIBRARIES)
+ @SystemApi(client = MODULE_LIBRARIES)
public Bucket querySummaryForDevice(@NonNull NetworkTemplate template,
long startTime, long endTime) {
+ Objects.requireNonNull(template);
try {
NetworkStats stats =
new NetworkStats(mContext, template, mFlags, startTime, endTime, mService);
@@ -368,11 +411,12 @@
* @return Statistics which is described above.
* @hide
*/
- @Nullable
- // @SystemApi(client = MODULE_LIBRARIES)
+ @NonNull
+ @SystemApi(client = MODULE_LIBRARIES)
@WorkerThread
public NetworkStats querySummary(@NonNull NetworkTemplate template, long startTime,
long endTime) throws SecurityException {
+ Objects.requireNonNull(template);
try {
NetworkStats result =
new NetworkStats(mContext, template, mFlags, startTime, endTime, mService);
@@ -385,6 +429,77 @@
}
/**
+ * Query tagged network usage statistics summaries.
+ *
+ * The results will only include tagged traffic made by UIDs belonging to the calling user
+ * profile. The results are aggregated over time, so that all buckets will have the same
+ * start and end timestamps as the passed arguments. Not aggregated over state, uid,
+ * default network, metered, or roaming.
+ * This may take a long time, and apps should avoid calling this on their main thread.
+ *
+ * @param template Template used to match networks. See {@link NetworkTemplate}.
+ * @param startTime Start of period, in milliseconds since the Unix epoch, see
+ * {@link System#currentTimeMillis}.
+ * @param endTime End of period, in milliseconds since the Unix epoch, see
+ * {@link System#currentTimeMillis}.
+ * @return Statistics which is described above.
+ * @hide
+ */
+ @NonNull
+ @SystemApi(client = MODULE_LIBRARIES)
+ @WorkerThread
+ public NetworkStats queryTaggedSummary(@NonNull NetworkTemplate template, long startTime,
+ long endTime) throws SecurityException {
+ Objects.requireNonNull(template);
+ try {
+ NetworkStats result =
+ new NetworkStats(mContext, template, mFlags, startTime, endTime, mService);
+ result.startTaggedSummaryEnumeration();
+ return result;
+ } catch (RemoteException e) {
+ e.rethrowFromSystemServer();
+ }
+ return null; // To make the compiler happy.
+ }
+
+ /**
+ * Query usage statistics details for networks matching a given {@link NetworkTemplate}.
+ *
+ * Result is not aggregated over time. This means buckets' start and
+ * end timestamps will be between 'startTime' and 'endTime' parameters.
+ * <p>Only includes buckets whose entire time period is included between
+ * startTime and endTime. Doesn't interpolate or return partial buckets.
+ * Since bucket length is in the order of hours, this
+ * method cannot be used to measure data usage on a fine grained time scale.
+ * This may take a long time, and apps should avoid calling this on their main thread.
+ *
+ * @param template Template used to match networks. See {@link NetworkTemplate}.
+ * @param startTime Start of period, in milliseconds since the Unix epoch, see
+ * {@link java.lang.System#currentTimeMillis}.
+ * @param endTime End of period, in milliseconds since the Unix epoch, see
+ * {@link java.lang.System#currentTimeMillis}.
+ * @return Statistics which is described above.
+ * @hide
+ */
+ @NonNull
+ @SystemApi(client = MODULE_LIBRARIES)
+ @WorkerThread
+ public NetworkStats queryDetailsForDevice(@NonNull NetworkTemplate template,
+ long startTime, long endTime) {
+ Objects.requireNonNull(template);
+ try {
+ final NetworkStats result =
+ new NetworkStats(mContext, template, mFlags, startTime, endTime, mService);
+ result.startHistoryDeviceEnumeration();
+ return result;
+ } catch (RemoteException e) {
+ e.rethrowFromSystemServer();
+ }
+
+ return null; // To make the compiler happy.
+ }
+
+ /**
* Query network usage statistics details for a given uid.
* This may take a long time, and apps should avoid calling this on their main thread.
*
@@ -450,7 +565,8 @@
* @param endTime End of period. Defined in terms of "Unix time", see
* {@link java.lang.System#currentTimeMillis}.
* @param uid UID of app
- * @param tag TAG of interest. Use {@link NetworkStats.Bucket#TAG_NONE} for no tags.
+ * @param tag TAG of interest. Use {@link NetworkStats.Bucket#TAG_NONE} for aggregated data
+ * across all the tags.
* @param state state of interest. Use {@link NetworkStats.Bucket#STATE_ALL} to aggregate
* traffic from all states.
* @return Statistics object or null if an error happened during statistics collection.
@@ -465,21 +581,52 @@
return queryDetailsForUidTagState(template, startTime, endTime, uid, tag, state);
}
- /** @hide */
- public NetworkStats queryDetailsForUidTagState(NetworkTemplate template,
+ /**
+ * Query network usage statistics details for a given template, uid, tag, and state.
+ *
+ * Only usable for uids belonging to calling user. Result is not aggregated over time.
+ * This means buckets' start and end timestamps are going to be between 'startTime' and
+ * 'endTime' parameters. The uid is going to be the same as the 'uid' parameter, the tag
+ * the same as the 'tag' parameter, and the state the same as the 'state' parameter.
+ * defaultNetwork is going to be {@link NetworkStats.Bucket#DEFAULT_NETWORK_ALL},
+ * metered is going to be {@link NetworkStats.Bucket#METERED_ALL}, and
+ * roaming is going to be {@link NetworkStats.Bucket#ROAMING_ALL}.
+ * <p>Only includes buckets that atomically occur in the inclusive time range. Doesn't
+ * interpolate across partial buckets. Since bucket length is in the order of hours, this
+ * method cannot be used to measure data usage on a fine grained time scale.
+ * This may take a long time, and apps should avoid calling this on their main thread.
+ *
+ * @param template Template used to match networks. See {@link NetworkTemplate}.
+ * @param startTime Start of period, in milliseconds since the Unix epoch, see
+ * {@link java.lang.System#currentTimeMillis}.
+ * @param endTime End of period, in milliseconds since the Unix epoch, see
+ * {@link java.lang.System#currentTimeMillis}.
+ * @param uid UID of app
+ * @param tag TAG of interest. Use {@link NetworkStats.Bucket#TAG_NONE} for aggregated data
+ * across all the tags.
+ * @param state state of interest. Use {@link NetworkStats.Bucket#STATE_ALL} to aggregate
+ * traffic from all states.
+ * @return Statistics which is described above.
+ * @hide
+ */
+ @NonNull
+ @SystemApi(client = MODULE_LIBRARIES)
+ @WorkerThread
+ public NetworkStats queryDetailsForUidTagState(@NonNull NetworkTemplate template,
long startTime, long endTime, int uid, int tag, int state) throws SecurityException {
-
- NetworkStats result;
+ Objects.requireNonNull(template);
try {
- result = new NetworkStats(mContext, template, mFlags, startTime, endTime, mService);
- result.startHistoryEnumeration(uid, tag, state);
+ final NetworkStats result = new NetworkStats(
+ mContext, template, mFlags, startTime, endTime, mService);
+ result.startHistoryUidEnumeration(uid, tag, state);
+ return result;
} catch (RemoteException e) {
Log.e(TAG, "Error while querying stats for uid=" + uid + " tag=" + tag
+ " state=" + state, e);
- return null;
+ e.rethrowFromSystemServer();
}
- return result;
+ return null; // To make the compiler happy.
}
/**
@@ -535,26 +682,84 @@
return result;
}
- /** @hide */
- public void registerUsageCallback(NetworkTemplate template, int networkType,
- long thresholdBytes, UsageCallback callback, @Nullable Handler handler) {
- Objects.requireNonNull(callback, "UsageCallback cannot be null");
-
- final Looper looper;
- if (handler == null) {
- looper = Looper.myLooper();
- } else {
- looper = handler.getLooper();
+ /**
+ * Query realtime mobile network usage statistics.
+ *
+ * Return a snapshot of current UID network statistics, as it applies
+ * to the mobile radios of the device. The snapshot will include any
+ * tethering traffic, video calling data usage and count of
+ * network operations set by {@link TrafficStats#incrementOperationCount}
+ * made over a mobile radio.
+ * The snapshot will not include any statistics that cannot be seen by
+ * the kernel, e.g. statistics reported by {@link NetworkStatsProvider}s.
+ *
+ * @hide
+ */
+ @SystemApi
+ @RequiresPermission(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK)
+ @NonNull public android.net.NetworkStats getMobileUidStats() {
+ try {
+ return mService.getUidStatsForTransport(TRANSPORT_CELLULAR);
+ } catch (RemoteException e) {
+ if (DBG) Log.d(TAG, "Remote exception when get Mobile uid stats");
+ throw e.rethrowFromSystemServer();
}
+ }
- DataUsageRequest request = new DataUsageRequest(DataUsageRequest.REQUEST_ID_UNSET,
+ /**
+ * Query realtime Wi-Fi network usage statistics.
+ *
+ * Return a snapshot of current UID network statistics, as it applies
+ * to the Wi-Fi radios of the device. The snapshot will include any
+ * tethering traffic, video calling data usage and count of
+ * network operations set by {@link TrafficStats#incrementOperationCount}
+ * made over a Wi-Fi radio.
+ * The snapshot will not include any statistics that cannot be seen by
+ * the kernel, e.g. statistics reported by {@link NetworkStatsProvider}s.
+ *
+ * @hide
+ */
+ @SystemApi
+ @RequiresPermission(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK)
+ @NonNull public android.net.NetworkStats getWifiUidStats() {
+ try {
+ return mService.getUidStatsForTransport(TRANSPORT_WIFI);
+ } catch (RemoteException e) {
+ if (DBG) Log.d(TAG, "Remote exception when get WiFi uid stats");
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
+ * Registers to receive notifications about data usage on specified networks.
+ *
+ * <p>The callbacks will continue to be called as long as the process is alive or
+ * {@link #unregisterUsageCallback} is called.
+ *
+ * @param template Template used to match networks. See {@link NetworkTemplate}.
+ * @param thresholdBytes Threshold in bytes to be notified on. The provided value that lower
+ * than 2MiB will be clamped for non-privileged callers.
+ * @param executor The executor on which callback will be invoked. The provided {@link Executor}
+ * must run callback sequentially, otherwise the order of callbacks cannot be
+ * guaranteed.
+ * @param callback The {@link UsageCallback} that the system will call when data usage
+ * has exceeded the specified threshold.
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public void registerUsageCallback(@NonNull NetworkTemplate template, long thresholdBytes,
+ @NonNull @CallbackExecutor Executor executor, @NonNull UsageCallback callback) {
+ Objects.requireNonNull(template, "NetworkTemplate cannot be null");
+ Objects.requireNonNull(callback, "UsageCallback cannot be null");
+ Objects.requireNonNull(executor, "Executor cannot be null");
+
+ final DataUsageRequest request = new DataUsageRequest(DataUsageRequest.REQUEST_ID_UNSET,
template, thresholdBytes);
try {
- CallbackHandler callbackHandler = new CallbackHandler(looper, networkType,
- template.getSubscriberId(), callback);
+ final UsageCallbackWrapper callbackWrapper =
+ new UsageCallbackWrapper(executor, callback);
callback.request = mService.registerUsageCallback(
- mContext.getOpPackageName(), request, new Messenger(callbackHandler),
- new Binder());
+ mContext.getOpPackageName(), request, callbackWrapper);
if (DBG) Log.d(TAG, "registerUsageCallback returned " + callback.request);
if (callback.request == null) {
@@ -607,12 +812,15 @@
NetworkTemplate template = createTemplate(networkType, subscriberId);
if (DBG) {
Log.d(TAG, "registerUsageCallback called with: {"
- + " networkType=" + networkType
- + " subscriberId=" + subscriberId
- + " thresholdBytes=" + thresholdBytes
- + " }");
+ + " networkType=" + networkType
+ + " subscriberId=" + subscriberId
+ + " thresholdBytes=" + thresholdBytes
+ + " }");
}
- registerUsageCallback(template, networkType, thresholdBytes, callback, handler);
+
+ final Executor executor = handler == null ? r -> r.run() : r -> handler.post(r);
+
+ registerUsageCallback(template, thresholdBytes, executor, callback);
}
/**
@@ -637,6 +845,26 @@
* Base class for usage callbacks. Should be extended by applications wanting notifications.
*/
public static abstract class UsageCallback {
+ /**
+ * Called when data usage has reached the given threshold.
+ *
+ * Called by {@code NetworkStatsService} when the registered threshold is reached.
+ * If a caller implements {@link #onThresholdReached(NetworkTemplate)}, the system
+ * will not call {@link #onThresholdReached(int, String)}.
+ *
+ * @param template The {@link NetworkTemplate} that associated with this callback.
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public void onThresholdReached(@NonNull NetworkTemplate template) {
+ // Backward compatibility for those who didn't override this function.
+ final int networkType = networkTypeForTemplate(template);
+ if (networkType != ConnectivityManager.TYPE_NONE) {
+ final String subscriberId = template.getSubscriberIds().isEmpty() ? null
+ : template.getSubscriberIds().iterator().next();
+ onThresholdReached(networkType, subscriberId);
+ }
+ }
/**
* Called when data usage has reached the given threshold.
@@ -647,6 +875,25 @@
* @hide used for internal bookkeeping
*/
private DataUsageRequest request;
+
+ /**
+ * Get network type from a template if feasible.
+ *
+ * @param template the target {@link NetworkTemplate}.
+ * @return legacy network type, only supports for the types which is already supported in
+ * {@link #registerUsageCallback(int, String, long, UsageCallback, Handler)}.
+ * {@link ConnectivityManager#TYPE_NONE} for other types.
+ */
+ private static int networkTypeForTemplate(@NonNull NetworkTemplate template) {
+ switch (template.getMatchRule()) {
+ case NetworkTemplate.MATCH_MOBILE:
+ return ConnectivityManager.TYPE_MOBILE;
+ case NetworkTemplate.MATCH_WIFI:
+ return ConnectivityManager.TYPE_WIFI;
+ default:
+ return ConnectivityManager.TYPE_NONE;
+ }
+ }
}
/**
@@ -765,43 +1012,159 @@
}
}
- private static class CallbackHandler extends Handler {
- private final int mNetworkType;
- private final String mSubscriberId;
- private UsageCallback mCallback;
+ private static class UsageCallbackWrapper extends IUsageCallback.Stub {
+ // Null if unregistered.
+ private volatile UsageCallback mCallback;
- CallbackHandler(Looper looper, int networkType, String subscriberId,
- UsageCallback callback) {
- super(looper);
- mNetworkType = networkType;
- mSubscriberId = subscriberId;
+ private final Executor mExecutor;
+
+ UsageCallbackWrapper(@NonNull Executor executor, @NonNull UsageCallback callback) {
mCallback = callback;
+ mExecutor = executor;
}
@Override
- public void handleMessage(Message message) {
- DataUsageRequest request =
- (DataUsageRequest) getObject(message, DataUsageRequest.PARCELABLE_KEY);
-
- switch (message.what) {
- case CALLBACK_LIMIT_REACHED: {
- if (mCallback != null) {
- mCallback.onThresholdReached(mNetworkType, mSubscriberId);
- } else {
- Log.e(TAG, "limit reached with released callback for " + request);
- }
- break;
- }
- case CALLBACK_RELEASED: {
- if (DBG) Log.d(TAG, "callback released for " + request);
- mCallback = null;
- break;
- }
+ public void onThresholdReached(DataUsageRequest request) {
+ // Copy it to a local variable in case mCallback changed inside the if condition.
+ final UsageCallback callback = mCallback;
+ if (callback != null) {
+ mExecutor.execute(() -> callback.onThresholdReached(request.template));
+ } else {
+ Log.e(TAG, "onThresholdReached with released callback for " + request);
}
}
- private static Object getObject(Message msg, String key) {
- return msg.getData().getParcelable(key);
+ @Override
+ public void onCallbackReleased(DataUsageRequest request) {
+ if (DBG) Log.d(TAG, "callback released for " + request);
+ mCallback = null;
+ }
+ }
+
+ /**
+ * Mark given UID as being in foreground for stats purposes.
+ *
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK})
+ public void setUidForeground(int uid, boolean uidForeground) {
+ try {
+ mService.setUidForeground(uid, uidForeground);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
+ * Set default value of global alert bytes, the value will be clamped to [128kB, 2MB].
+ *
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ Manifest.permission.NETWORK_STACK})
+ public void setDefaultGlobalAlert(long alertBytes) {
+ try {
+ // TODO: Sync internal naming with the API surface.
+ mService.advisePersistThreshold(alertBytes);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
+ * Force update of statistics.
+ *
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK})
+ public void forceUpdate() {
+ try {
+ mService.forceUpdate();
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
+ * Set the warning and limit to all registered custom network stats providers.
+ * Note that invocation of any interface will be sent to all providers.
+ *
+ * Asynchronicity notes : because traffic may be happening on the device at the same time, it
+ * doesn't make sense to wait for the warning and limit to be set – a caller still wouldn't
+ * know when exactly it was effective. All that can matter is that it's done quickly. Also,
+ * this method can't fail, so there is no status to return. All providers will see the new
+ * values soon.
+ * As such, this method returns immediately and sends the warning and limit to all providers
+ * as soon as possible through a one-way binder call.
+ *
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK})
+ public void setStatsProviderWarningAndLimitAsync(@NonNull String iface, long warning,
+ long limit) {
+ try {
+ mService.setStatsProviderWarningAndLimitAsync(iface, warning, limit);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
+ * Get a RAT type representative of a group of RAT types for network statistics.
+ *
+ * Collapse the given Radio Access Technology (RAT) type into a bucket that
+ * is representative of the original RAT type for network statistics. The
+ * mapping mostly corresponds to {@code TelephonyManager#NETWORK_CLASS_BIT_MASK_*}
+ * but with adaptations specific to the virtual types introduced by
+ * networks stats.
+ *
+ * @param ratType An integer defined in {@code TelephonyManager#NETWORK_TYPE_*}.
+ *
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static int getCollapsedRatType(int ratType) {
+ switch (ratType) {
+ case TelephonyManager.NETWORK_TYPE_GPRS:
+ case TelephonyManager.NETWORK_TYPE_GSM:
+ case TelephonyManager.NETWORK_TYPE_EDGE:
+ case TelephonyManager.NETWORK_TYPE_IDEN:
+ case TelephonyManager.NETWORK_TYPE_CDMA:
+ case TelephonyManager.NETWORK_TYPE_1xRTT:
+ return TelephonyManager.NETWORK_TYPE_GSM;
+ case TelephonyManager.NETWORK_TYPE_EVDO_0:
+ case TelephonyManager.NETWORK_TYPE_EVDO_A:
+ case TelephonyManager.NETWORK_TYPE_EVDO_B:
+ case TelephonyManager.NETWORK_TYPE_EHRPD:
+ case TelephonyManager.NETWORK_TYPE_UMTS:
+ case TelephonyManager.NETWORK_TYPE_HSDPA:
+ case TelephonyManager.NETWORK_TYPE_HSUPA:
+ case TelephonyManager.NETWORK_TYPE_HSPA:
+ case TelephonyManager.NETWORK_TYPE_HSPAP:
+ case TelephonyManager.NETWORK_TYPE_TD_SCDMA:
+ return TelephonyManager.NETWORK_TYPE_UMTS;
+ case TelephonyManager.NETWORK_TYPE_LTE:
+ case TelephonyManager.NETWORK_TYPE_IWLAN:
+ return TelephonyManager.NETWORK_TYPE_LTE;
+ case TelephonyManager.NETWORK_TYPE_NR:
+ return TelephonyManager.NETWORK_TYPE_NR;
+ // Virtual RAT type for 5G NSA mode, see
+ // {@link NetworkStatsManager#NETWORK_TYPE_5G_NSA}.
+ case NetworkStatsManager.NETWORK_TYPE_5G_NSA:
+ return NetworkStatsManager.NETWORK_TYPE_5G_NSA;
+ default:
+ return TelephonyManager.NETWORK_TYPE_UNKNOWN;
}
}
}
diff --git a/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java b/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java
index 630f902..577ac54 100644
--- a/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java
+++ b/framework-t/src/android/net/ConnectivityFrameworkInitializerTiramisu.java
@@ -48,5 +48,14 @@
return new NsdManager(context, service);
}
);
+
+ SystemServiceRegistry.registerContextAwareService(
+ Context.IPSEC_SERVICE,
+ IpSecManager.class,
+ (context, serviceBinder) -> {
+ IIpSecService service = IIpSecService.Stub.asInterface(serviceBinder);
+ return new IpSecManager(context, service);
+ }
+ );
}
}
diff --git a/framework-t/src/android/net/EthernetManager.java b/framework-t/src/android/net/EthernetManager.java
index ece54df..72243f9 100644
--- a/framework-t/src/android/net/EthernetManager.java
+++ b/framework-t/src/android/net/EthernetManager.java
@@ -16,28 +16,34 @@
package android.net;
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+
import android.annotation.CallbackExecutor;
+import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
+import android.annotation.RequiresFeature;
import android.annotation.RequiresPermission;
import android.annotation.SystemApi;
import android.annotation.SystemService;
-import android.annotation.TestApi;
import android.compat.annotation.UnsupportedAppUsage;
import android.content.Context;
+import android.content.pm.PackageManager;
import android.os.Build;
import android.os.RemoteException;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.os.BackgroundThread;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.Objects;
import java.util.concurrent.Executor;
import java.util.function.BiConsumer;
/**
- * A class representing the IP configuration of the Ethernet network.
+ * A class that manages and configures Ethernet interfaces.
*
* @hide
*/
@@ -52,11 +58,13 @@
private final IEthernetServiceListener.Stub mServiceListener =
new IEthernetServiceListener.Stub() {
@Override
- public void onAvailabilityChanged(String iface, boolean isAvailable) {
+ public void onInterfaceStateChanged(String iface, int state, int role,
+ IpConfiguration configuration) {
synchronized (mListeners) {
for (ListenerInfo li : mListeners) {
li.executor.execute(() ->
- li.listener.onAvailabilityChanged(iface, isAvailable));
+ li.listener.onInterfaceStateChanged(iface, state, role,
+ configuration));
}
}
}
@@ -66,19 +74,93 @@
@NonNull
public final Executor executor;
@NonNull
- public final Listener listener;
+ public final InterfaceStateListener listener;
- private ListenerInfo(@NonNull Executor executor, @NonNull Listener listener) {
+ private ListenerInfo(@NonNull Executor executor, @NonNull InterfaceStateListener listener) {
this.executor = executor;
this.listener = listener;
}
}
/**
- * A listener interface to receive notification on changes in Ethernet.
+ * The interface is absent.
* @hide
*/
- public interface Listener {
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static final int STATE_ABSENT = 0;
+
+ /**
+ * The interface is present but link is down.
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static final int STATE_LINK_DOWN = 1;
+
+ /**
+ * The interface is present and link is up.
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static final int STATE_LINK_UP = 2;
+
+ /** @hide */
+ @IntDef(prefix = "STATE_", value = {STATE_ABSENT, STATE_LINK_DOWN, STATE_LINK_UP})
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface InterfaceState {}
+
+ /**
+ * The interface currently does not have any specific role.
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static final int ROLE_NONE = 0;
+
+ /**
+ * The interface is in client mode (e.g., connected to the Internet).
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static final int ROLE_CLIENT = 1;
+
+ /**
+ * Ethernet interface is in server mode (e.g., providing Internet access to tethered devices).
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static final int ROLE_SERVER = 2;
+
+ /** @hide */
+ @IntDef(prefix = "ROLE_", value = {ROLE_NONE, ROLE_CLIENT, ROLE_SERVER})
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface Role {}
+
+ /**
+ * A listener that receives notifications about the state of Ethernet interfaces on the system.
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public interface InterfaceStateListener {
+ /**
+ * Called when an Ethernet interface changes state.
+ *
+ * @param iface the name of the interface.
+ * @param state the current state of the interface, or {@link #STATE_ABSENT} if the
+ * interface was removed.
+ * @param role whether the interface is in client mode or server mode.
+ * @param configuration the current IP configuration of the interface.
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ void onInterfaceStateChanged(@NonNull String iface, @InterfaceState int state,
+ @Role int role, @Nullable IpConfiguration configuration);
+ }
+
+ /**
+ * A listener interface to receive notification on changes in Ethernet.
+ * This has never been a supported API. Use {@link InterfaceStateListener} instead.
+ * @hide
+ */
+ public interface Listener extends InterfaceStateListener {
/**
* Called when Ethernet port's availability is changed.
* @param iface Ethernet interface name
@@ -87,6 +169,13 @@
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
void onAvailabilityChanged(String iface, boolean isAvailable);
+
+ /** Default implementation for backwards compatibility. Only calls the legacy listener. */
+ default void onInterfaceStateChanged(@NonNull String iface, @InterfaceState int state,
+ @Role int role, @Nullable IpConfiguration configuration) {
+ onAvailabilityChanged(iface, (state >= STATE_LINK_UP));
+ }
+
}
/**
@@ -119,7 +208,7 @@
* @hide
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
- public void setConfiguration(String iface, IpConfiguration config) {
+ public void setConfiguration(@NonNull String iface, @NonNull IpConfiguration config) {
try {
mService.setConfiguration(iface, config);
} catch (RemoteException e) {
@@ -153,9 +242,8 @@
/**
* Adds a listener.
+ * This has never been a supported API. Use {@link #addInterfaceStateListener} instead.
*
- * Consider using {@link #addListener(Listener, Executor)} instead: this method uses a default
- * executor that may have higher latency than a provided executor.
* @param listener A {@link Listener} to add.
* @throws IllegalArgumentException If the listener is null.
* @hide
@@ -167,6 +255,8 @@
/**
* Adds a listener.
+ * This has never been a supported API. Use {@link #addInterfaceStateListener} instead.
+ *
* @param listener A {@link Listener} to add.
* @param executor Executor to run callbacks on.
* @throws IllegalArgumentException If the listener or executor is null.
@@ -174,6 +264,28 @@
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
public void addListener(@NonNull Listener listener, @NonNull Executor executor) {
+ addInterfaceStateListener(executor, listener);
+ }
+
+ /**
+ * Listen to changes in the state of Ethernet interfaces.
+ *
+ * Adds a listener to receive notification for any state change of all existing Ethernet
+ * interfaces.
+ * <p>{@link Listener#onInterfaceStateChanged} will be triggered immediately for all
+ * existing interfaces upon adding a listener. The same method will be called on the
+ * listener every time any of the interface changes state. In particular, if an
+ * interface is removed, it will be called with state {@link #STATE_ABSENT}.
+ * <p>Use {@link #removeInterfaceStateListener} with the same object to stop listening.
+ *
+ * @param executor Executor to run callbacks on.
+ * @param listener A {@link Listener} to add.
+ * @hide
+ */
+ @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE)
+ @SystemApi(client = MODULE_LIBRARIES)
+ public void addInterfaceStateListener(@NonNull Executor executor,
+ @NonNull InterfaceStateListener listener) {
if (listener == null || executor == null) {
throw new NullPointerException("listener and executor must not be null");
}
@@ -204,15 +316,13 @@
/**
* Removes a listener.
+ *
* @param listener A {@link Listener} to remove.
- * @throws IllegalArgumentException If the listener is null.
* @hide
*/
- @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
- public void removeListener(@NonNull Listener listener) {
- if (listener == null) {
- throw new IllegalArgumentException("listener must not be null");
- }
+ @SystemApi(client = MODULE_LIBRARIES)
+ public void removeInterfaceStateListener(@NonNull InterfaceStateListener listener) {
+ Objects.requireNonNull(listener);
synchronized (mListeners) {
mListeners.removeIf(l -> l.listener == listener);
if (mListeners.isEmpty()) {
@@ -226,12 +336,26 @@
}
/**
+ * Removes a listener.
+ * This has never been a supported API. Use {@link #removeInterfaceStateListener} instead.
+ * @param listener A {@link Listener} to remove.
+ * @hide
+ */
+ @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
+ public void removeListener(@NonNull Listener listener) {
+ if (listener == null) {
+ throw new IllegalArgumentException("listener must not be null");
+ }
+ removeInterfaceStateListener(listener);
+ }
+
+ /**
* Whether to treat interfaces created by {@link TestNetworkManager#createTapInterface}
* as Ethernet interfaces. The effects of this method apply to any test interfaces that are
* already present on the system.
* @hide
*/
- @TestApi
+ @SystemApi(client = MODULE_LIBRARIES)
public void setIncludeTestInterfaces(boolean include) {
try {
mService.setIncludeTestInterfaces(include);
@@ -320,15 +444,15 @@
}
private static final class InternalNetworkManagementListener
- extends IInternalNetworkManagementListener.Stub {
+ extends IEthernetNetworkManagementListener.Stub {
@NonNull
private final Executor mExecutor;
@NonNull
- private final BiConsumer<Network, InternalNetworkManagementException> mListener;
+ private final BiConsumer<Network, EthernetNetworkManagementException> mListener;
InternalNetworkManagementListener(
@NonNull final Executor executor,
- @NonNull final BiConsumer<Network, InternalNetworkManagementException> listener) {
+ @NonNull final BiConsumer<Network, EthernetNetworkManagementException> listener) {
Objects.requireNonNull(executor, "Pass a non-null executor");
Objects.requireNonNull(listener, "Pass a non-null listener");
mExecutor = executor;
@@ -338,14 +462,14 @@
@Override
public void onComplete(
@Nullable final Network network,
- @Nullable final InternalNetworkManagementException e) {
+ @Nullable final EthernetNetworkManagementException e) {
mExecutor.execute(() -> mListener.accept(network, e));
}
}
private InternalNetworkManagementListener getInternalNetworkManagementListener(
@Nullable final Executor executor,
- @Nullable final BiConsumer<Network, InternalNetworkManagementException> listener) {
+ @Nullable final BiConsumer<Network, EthernetNetworkManagementException> listener) {
if (null != listener) {
Objects.requireNonNull(executor, "Pass a non-null executor, or a null listener");
}
@@ -358,11 +482,43 @@
return proxy;
}
- private void updateConfiguration(
+ /**
+ * Updates the configuration of an automotive device's ethernet network.
+ *
+ * The {@link EthernetNetworkUpdateRequest} {@code request} argument describes how to update the
+ * configuration for this network.
+ * Use {@link StaticIpConfiguration.Builder} to build a {@code StaticIpConfiguration} object for
+ * this network to put inside the {@code request}.
+ * Similarly, use {@link NetworkCapabilities.Builder} to build a {@code NetworkCapabilities}
+ * object for this network to put inside the {@code request}.
+ *
+ * If non-null, the listener will be called exactly once after this is called, unless
+ * a synchronous exception was thrown.
+ *
+ * @param iface the name of the interface to act upon.
+ * @param request the {@link EthernetNetworkUpdateRequest} used to set an ethernet network's
+ * {@link StaticIpConfiguration} and {@link NetworkCapabilities} values.
+ * @param executor an {@link Executor} to execute the listener on. Optional if listener is null.
+ * @param listener an optional {@link BiConsumer} to listen for completion of the operation.
+ * @throws SecurityException if the process doesn't hold
+ * {@link android.Manifest.permission.MANAGE_ETHERNET_NETWORKS}.
+ * @throws UnsupportedOperationException if called on a non-automotive device or on an
+ * unsupported interface.
+ * @hide
+ */
+ @SystemApi
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK,
+ android.Manifest.permission.MANAGE_ETHERNET_NETWORKS})
+ @RequiresFeature(PackageManager.FEATURE_AUTOMOTIVE)
+ public void updateConfiguration(
@NonNull String iface,
- @NonNull InternalNetworkUpdateRequest request,
+ @NonNull EthernetNetworkUpdateRequest request,
@Nullable @CallbackExecutor Executor executor,
- @Nullable BiConsumer<Network, InternalNetworkManagementException> listener) {
+ @Nullable BiConsumer<Network, EthernetNetworkManagementException> listener) {
+ Objects.requireNonNull(iface, "iface must be non-null");
+ Objects.requireNonNull(request, "request must be non-null");
final InternalNetworkManagementListener proxy = getInternalNetworkManagementListener(
executor, listener);
try {
@@ -372,10 +528,34 @@
}
}
- private void connectNetwork(
+ /**
+ * Set an ethernet network's link state up.
+ *
+ * When the link is successfully turned up, the listener will be called with the resulting
+ * network. If any error or unexpected condition happens while the system tries to turn the
+ * interface up, the listener will be called with an appropriate exception.
+ * The listener is guaranteed to be called exactly once for each call to this method, but this
+ * may take an unbounded amount of time depending on the actual network conditions.
+ *
+ * @param iface the name of the interface to act upon.
+ * @param executor an {@link Executor} to execute the listener on. Optional if listener is null.
+ * @param listener an optional {@link BiConsumer} to listen for completion of the operation.
+ * @throws SecurityException if the process doesn't hold
+ * {@link android.Manifest.permission.MANAGE_ETHERNET_NETWORKS}.
+ * @throws UnsupportedOperationException if called on a non-automotive device.
+ * @hide
+ */
+ @SystemApi
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK,
+ android.Manifest.permission.MANAGE_ETHERNET_NETWORKS})
+ @RequiresFeature(PackageManager.FEATURE_AUTOMOTIVE)
+ public void connectNetwork(
@NonNull String iface,
@Nullable @CallbackExecutor Executor executor,
- @Nullable BiConsumer<Network, InternalNetworkManagementException> listener) {
+ @Nullable BiConsumer<Network, EthernetNetworkManagementException> listener) {
+ Objects.requireNonNull(iface, "iface must be non-null");
final InternalNetworkManagementListener proxy = getInternalNetworkManagementListener(
executor, listener);
try {
@@ -385,10 +565,33 @@
}
}
- private void disconnectNetwork(
+ /**
+ * Set an ethernet network's link state down.
+ *
+ * When the link is successfully turned down, the listener will be called with the network that
+ * was torn down, if any. If any error or unexpected condition happens while the system tries to
+ * turn the interface down, the listener will be called with an appropriate exception.
+ * The listener is guaranteed to be called exactly once for each call to this method.
+ *
+ * @param iface the name of the interface to act upon.
+ * @param executor an {@link Executor} to execute the listener on. Optional if listener is null.
+ * @param listener an optional {@link BiConsumer} to listen for completion of the operation.
+ * @throws SecurityException if the process doesn't hold
+ * {@link android.Manifest.permission.MANAGE_ETHERNET_NETWORKS}.
+ * @throws UnsupportedOperationException if called on a non-automotive device.
+ * @hide
+ */
+ @SystemApi
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK,
+ android.Manifest.permission.MANAGE_ETHERNET_NETWORKS})
+ @RequiresFeature(PackageManager.FEATURE_AUTOMOTIVE)
+ public void disconnectNetwork(
@NonNull String iface,
@Nullable @CallbackExecutor Executor executor,
- @Nullable BiConsumer<Network, InternalNetworkManagementException> listener) {
+ @Nullable BiConsumer<Network, EthernetNetworkManagementException> listener) {
+ Objects.requireNonNull(iface, "iface must be non-null");
final InternalNetworkManagementListener proxy = getInternalNetworkManagementListener(
executor, listener);
try {
diff --git a/core/java/android/net/InternalNetworkManagementException.aidl b/framework-t/src/android/net/EthernetNetworkManagementException.aidl
similarity index 92%
rename from core/java/android/net/InternalNetworkManagementException.aidl
rename to framework-t/src/android/net/EthernetNetworkManagementException.aidl
index dcce706..adf9e5a 100644
--- a/core/java/android/net/InternalNetworkManagementException.aidl
+++ b/framework-t/src/android/net/EthernetNetworkManagementException.aidl
@@ -16,4 +16,4 @@
package android.net;
- parcelable InternalNetworkManagementException;
\ No newline at end of file
+ parcelable EthernetNetworkManagementException;
\ No newline at end of file
diff --git a/framework-t/src/android/net/EthernetNetworkManagementException.java b/framework-t/src/android/net/EthernetNetworkManagementException.java
new file mode 100644
index 0000000..a69cc55
--- /dev/null
+++ b/framework-t/src/android/net/EthernetNetworkManagementException.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2021 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 android.net;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.Objects;
+
+/** @hide */
+@SystemApi
+public final class EthernetNetworkManagementException
+ extends RuntimeException implements Parcelable {
+
+ /* @hide */
+ public EthernetNetworkManagementException(@NonNull final String errorMessage) {
+ super(errorMessage);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(getMessage());
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) return true;
+ if (obj == null || getClass() != obj.getClass()) return false;
+ final EthernetNetworkManagementException that = (EthernetNetworkManagementException) obj;
+
+ return Objects.equals(getMessage(), that.getMessage());
+ }
+
+ @Override
+ public void writeToParcel(@NonNull Parcel dest, int flags) {
+ dest.writeString(getMessage());
+ }
+
+ @Override
+ public int describeContents() {
+ return 0;
+ }
+
+ @NonNull
+ public static final Parcelable.Creator<EthernetNetworkManagementException> CREATOR =
+ new Parcelable.Creator<EthernetNetworkManagementException>() {
+ @Override
+ public EthernetNetworkManagementException[] newArray(int size) {
+ return new EthernetNetworkManagementException[size];
+ }
+
+ @Override
+ public EthernetNetworkManagementException createFromParcel(@NonNull Parcel source) {
+ return new EthernetNetworkManagementException(source.readString());
+ }
+ };
+}
diff --git a/framework-t/src/android/net/EthernetNetworkSpecifier.java b/framework-t/src/android/net/EthernetNetworkSpecifier.java
index 62c5761..e4d6e24 100644
--- a/framework-t/src/android/net/EthernetNetworkSpecifier.java
+++ b/framework-t/src/android/net/EthernetNetworkSpecifier.java
@@ -18,22 +18,17 @@
import android.annotation.NonNull;
import android.annotation.Nullable;
-import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
-import com.android.internal.util.Preconditions;
-
import java.util.Objects;
/**
* A {@link NetworkSpecifier} used to identify ethernet interfaces.
*
* @see EthernetManager
- * @hide
*/
-@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public final class EthernetNetworkSpecifier extends NetworkSpecifier implements Parcelable {
/**
@@ -47,7 +42,9 @@
* @param interfaceName Name of the ethernet interface the specifier refers to.
*/
public EthernetNetworkSpecifier(@NonNull String interfaceName) {
- Preconditions.checkStringNotEmpty(interfaceName);
+ if (TextUtils.isEmpty(interfaceName)) {
+ throw new IllegalArgumentException();
+ }
mInterfaceName = interfaceName;
}
@@ -61,6 +58,7 @@
return mInterfaceName;
}
+ /** @hide */
@Override
public boolean canBeSatisfiedBy(@Nullable NetworkSpecifier other) {
return equals(other);
diff --git a/core/java/android/net/InternalNetworkUpdateRequest.aidl b/framework-t/src/android/net/EthernetNetworkUpdateRequest.aidl
similarity index 93%
rename from core/java/android/net/InternalNetworkUpdateRequest.aidl
rename to framework-t/src/android/net/EthernetNetworkUpdateRequest.aidl
index da00cb9..debc348 100644
--- a/core/java/android/net/InternalNetworkUpdateRequest.aidl
+++ b/framework-t/src/android/net/EthernetNetworkUpdateRequest.aidl
@@ -16,4 +16,4 @@
package android.net;
- parcelable InternalNetworkUpdateRequest;
\ No newline at end of file
+ parcelable EthernetNetworkUpdateRequest;
\ No newline at end of file
diff --git a/core/java/android/net/InternalNetworkUpdateRequest.java b/framework-t/src/android/net/EthernetNetworkUpdateRequest.java
similarity index 68%
rename from core/java/android/net/InternalNetworkUpdateRequest.java
rename to framework-t/src/android/net/EthernetNetworkUpdateRequest.java
index 6f09383..e879e40 100644
--- a/core/java/android/net/InternalNetworkUpdateRequest.java
+++ b/framework-t/src/android/net/EthernetNetworkUpdateRequest.java
@@ -17,17 +17,18 @@
package android.net;
import android.annotation.NonNull;
-import android.annotation.Nullable;
+import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
import java.util.Objects;
/** @hide */
-public final class InternalNetworkUpdateRequest implements Parcelable {
+@SystemApi
+public final class EthernetNetworkUpdateRequest implements Parcelable {
@NonNull
private final StaticIpConfiguration mIpConfig;
- @Nullable
+ @NonNull
private final NetworkCapabilities mNetworkCapabilities;
@NonNull
@@ -37,23 +38,18 @@
@NonNull
public NetworkCapabilities getNetworkCapabilities() {
- return mNetworkCapabilities == null
- ? null : new NetworkCapabilities(mNetworkCapabilities);
+ return new NetworkCapabilities(mNetworkCapabilities);
}
- /** @hide */
- public InternalNetworkUpdateRequest(@NonNull final StaticIpConfiguration ipConfig,
- @Nullable final NetworkCapabilities networkCapabilities) {
+ public EthernetNetworkUpdateRequest(@NonNull final StaticIpConfiguration ipConfig,
+ @NonNull final NetworkCapabilities networkCapabilities) {
Objects.requireNonNull(ipConfig);
+ Objects.requireNonNull(networkCapabilities);
mIpConfig = new StaticIpConfiguration(ipConfig);
- if (null == networkCapabilities) {
- mNetworkCapabilities = null;
- } else {
- mNetworkCapabilities = new NetworkCapabilities(networkCapabilities);
- }
+ mNetworkCapabilities = new NetworkCapabilities(networkCapabilities);
}
- private InternalNetworkUpdateRequest(@NonNull final Parcel source) {
+ private EthernetNetworkUpdateRequest(@NonNull final Parcel source) {
Objects.requireNonNull(source);
mIpConfig = StaticIpConfiguration.CREATOR.createFromParcel(source);
mNetworkCapabilities = NetworkCapabilities.CREATOR.createFromParcel(source);
@@ -61,7 +57,7 @@
@Override
public String toString() {
- return "InternalNetworkUpdateRequest{"
+ return "EthernetNetworkUpdateRequest{"
+ "mIpConfig=" + mIpConfig
+ ", mNetworkCapabilities=" + mNetworkCapabilities + '}';
}
@@ -70,7 +66,7 @@
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
- InternalNetworkUpdateRequest that = (InternalNetworkUpdateRequest) o;
+ EthernetNetworkUpdateRequest that = (EthernetNetworkUpdateRequest) o;
return Objects.equals(that.getIpConfig(), mIpConfig)
&& Objects.equals(that.getNetworkCapabilities(), mNetworkCapabilities);
@@ -93,16 +89,16 @@
}
@NonNull
- public static final Parcelable.Creator<InternalNetworkUpdateRequest> CREATOR =
- new Parcelable.Creator<InternalNetworkUpdateRequest>() {
+ public static final Parcelable.Creator<EthernetNetworkUpdateRequest> CREATOR =
+ new Parcelable.Creator<EthernetNetworkUpdateRequest>() {
@Override
- public InternalNetworkUpdateRequest[] newArray(int size) {
- return new InternalNetworkUpdateRequest[size];
+ public EthernetNetworkUpdateRequest[] newArray(int size) {
+ return new EthernetNetworkUpdateRequest[size];
}
@Override
- public InternalNetworkUpdateRequest createFromParcel(@NonNull Parcel source) {
- return new InternalNetworkUpdateRequest(source);
+ public EthernetNetworkUpdateRequest createFromParcel(@NonNull Parcel source) {
+ return new EthernetNetworkUpdateRequest(source);
}
};
}
diff --git a/framework-t/src/android/net/IEthernetManager.aidl b/framework-t/src/android/net/IEthernetManager.aidl
index e688bea..544d02b 100644
--- a/framework-t/src/android/net/IEthernetManager.aidl
+++ b/framework-t/src/android/net/IEthernetManager.aidl
@@ -18,8 +18,8 @@
import android.net.IpConfiguration;
import android.net.IEthernetServiceListener;
-import android.net.IInternalNetworkManagementListener;
-import android.net.InternalNetworkUpdateRequest;
+import android.net.IEthernetNetworkManagementListener;
+import android.net.EthernetNetworkUpdateRequest;
import android.net.ITetheredInterfaceCallback;
/**
@@ -38,8 +38,8 @@
void setIncludeTestInterfaces(boolean include);
void requestTetheredInterface(in ITetheredInterfaceCallback callback);
void releaseTetheredInterface(in ITetheredInterfaceCallback callback);
- void updateConfiguration(String iface, in InternalNetworkUpdateRequest request,
- in IInternalNetworkManagementListener listener);
- void connectNetwork(String iface, in IInternalNetworkManagementListener listener);
- void disconnectNetwork(String iface, in IInternalNetworkManagementListener listener);
+ void updateConfiguration(String iface, in EthernetNetworkUpdateRequest request,
+ in IEthernetNetworkManagementListener listener);
+ void connectNetwork(String iface, in IEthernetNetworkManagementListener listener);
+ void disconnectNetwork(String iface, in IEthernetNetworkManagementListener listener);
}
diff --git a/framework-t/src/android/net/IEthernetNetworkManagementListener.aidl b/framework-t/src/android/net/IEthernetNetworkManagementListener.aidl
new file mode 100644
index 0000000..93edccf
--- /dev/null
+++ b/framework-t/src/android/net/IEthernetNetworkManagementListener.aidl
@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) 2021, 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 android.net;
+
+import android.net.EthernetNetworkManagementException;
+import android.net.Network;
+
+/** @hide */
+oneway interface IEthernetNetworkManagementListener {
+ void onComplete(in Network network, in EthernetNetworkManagementException exception);
+}
\ No newline at end of file
diff --git a/framework-t/src/android/net/IEthernetServiceListener.aidl b/framework-t/src/android/net/IEthernetServiceListener.aidl
index 782fa19..6d2ba03 100644
--- a/framework-t/src/android/net/IEthernetServiceListener.aidl
+++ b/framework-t/src/android/net/IEthernetServiceListener.aidl
@@ -16,8 +16,11 @@
package android.net;
+import android.net.IpConfiguration;
+
/** @hide */
oneway interface IEthernetServiceListener
{
- void onAvailabilityChanged(String iface, boolean isAvailable);
+ void onInterfaceStateChanged(String iface, int state, int role,
+ in IpConfiguration configuration);
}
diff --git a/framework-t/src/android/net/INetworkStatsService.aidl b/framework-t/src/android/net/INetworkStatsService.aidl
index 12937b5..efe626d 100644
--- a/framework-t/src/android/net/INetworkStatsService.aidl
+++ b/framework-t/src/android/net/INetworkStatsService.aidl
@@ -24,6 +24,7 @@
import android.net.NetworkStatsHistory;
import android.net.NetworkTemplate;
import android.net.UnderlyingNetworkInfo;
+import android.net.netstats.IUsageCallback;
import android.net.netstats.provider.INetworkStatsProvider;
import android.net.netstats.provider.INetworkStatsProviderCallback;
import android.os.IBinder;
@@ -49,14 +50,8 @@
@UnsupportedAppUsage
NetworkStats getDataLayerSnapshotForUid(int uid);
- /** Get a detailed snapshot of stats since boot for all UIDs.
- *
- * <p>Results will not always be limited to stats on requiredIfaces when specified: stats for
- * interfaces stacked on the specified interfaces, or for interfaces on which the specified
- * interfaces are stacked on, will also be included.
- * @param requiredIfaces Interface names to get data for, or {@link NetworkStats#INTERFACES_ALL}.
- */
- NetworkStats getDetailedUidStats(in String[] requiredIfaces);
+ /** Get the transport NetworkStats for all UIDs since boot. */
+ NetworkStats getUidStatsForTransport(int transport);
/** Return set of any ifaces associated with mobile networks since boot. */
@UnsupportedAppUsage
@@ -77,7 +72,7 @@
/** Registers a callback on data usage. */
DataUsageRequest registerUsageCallback(String callingPackage,
- in DataUsageRequest request, in Messenger messenger, in IBinder binder);
+ in DataUsageRequest request, in IUsageCallback callback);
/** Unregisters a callback on data usage. */
void unregisterUsageRequest(in DataUsageRequest request);
@@ -94,4 +89,16 @@
/** Registers a network stats provider */
INetworkStatsProviderCallback registerNetworkStatsProvider(String tag,
in INetworkStatsProvider provider);
+
+ /** Mark given UID as being in foreground for stats purposes. */
+ void setUidForeground(int uid, boolean uidForeground);
+
+ /** Advise persistence threshold; may be overridden internally. */
+ void advisePersistThreshold(long thresholdBytes);
+
+ /**
+ * Set the warning and limit to all registered custom network stats providers.
+ * Note that invocation of any interface will be sent to all providers.
+ */
+ void setStatsProviderWarningAndLimitAsync(String iface, long warning, long limit);
}
diff --git a/framework-t/src/android/net/INetworkStatsSession.aidl b/framework-t/src/android/net/INetworkStatsSession.aidl
index dfedf66..ab70be8 100644
--- a/framework-t/src/android/net/INetworkStatsSession.aidl
+++ b/framework-t/src/android/net/INetworkStatsSession.aidl
@@ -32,6 +32,11 @@
/** Return historical network layer stats for traffic that matches template. */
@UnsupportedAppUsage
NetworkStatsHistory getHistoryForNetwork(in NetworkTemplate template, int fields);
+ /**
+ * Return historical network layer stats for traffic that matches template, start and end
+ * timestamp.
+ */
+ NetworkStatsHistory getHistoryIntervalForNetwork(in NetworkTemplate template, int fields, long start, long end);
/**
* Return network layer usage summary per UID for traffic that matches template.
@@ -46,6 +51,10 @@
*/
@UnsupportedAppUsage
NetworkStats getSummaryForAllUid(in NetworkTemplate template, long start, long end, boolean includeTags);
+
+ /** Return network layer usage summary per UID for tagged traffic that matches template. */
+ NetworkStats getTaggedSummaryForAllUid(in NetworkTemplate template, long start, long end);
+
/** Return historical network layer stats for specific UID traffic that matches template. */
@UnsupportedAppUsage
NetworkStatsHistory getHistoryForUid(in NetworkTemplate template, int uid, int set, int tag, int fields);
diff --git a/framework-t/src/android/net/IpSecAlgorithm.java b/framework-t/src/android/net/IpSecAlgorithm.java
index a84e7a9..10a22ac 100644
--- a/framework-t/src/android/net/IpSecAlgorithm.java
+++ b/framework-t/src/android/net/IpSecAlgorithm.java
@@ -343,7 +343,7 @@
// Load and validate the optional algorithm resource. Undefined or duplicate algorithms in
// the resource are not allowed.
final String[] resourceAlgos = systemResources.getStringArray(
- com.android.internal.R.array.config_optionalIpSecAlgorithms);
+ android.R.array.config_optionalIpSecAlgorithms);
for (String str : resourceAlgos) {
if (!ALGO_TO_REQUIRED_FIRST_SDK.containsKey(str) || !enabledAlgos.add(str)) {
// This error should be caught by CTS and never be thrown to API callers
diff --git a/framework-t/src/android/net/IpSecManager.java b/framework-t/src/android/net/IpSecManager.java
index 0d15dff..9cb0947 100644
--- a/framework-t/src/android/net/IpSecManager.java
+++ b/framework-t/src/android/net/IpSecManager.java
@@ -17,6 +17,7 @@
import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.RequiresFeature;
import android.annotation.RequiresPermission;
@@ -25,8 +26,8 @@
import android.annotation.TestApi;
import android.content.Context;
import android.content.pm.PackageManager;
-import android.net.annotations.PolicyDirection;
import android.os.Binder;
+import android.os.IBinder;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import android.os.ServiceSpecificException;
@@ -41,6 +42,8 @@
import java.io.FileDescriptor;
import java.io.IOException;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.Socket;
@@ -58,7 +61,7 @@
* Internet Protocol</a>
*/
@SystemService(Context.IPSEC_SERVICE)
-public final class IpSecManager {
+public class IpSecManager {
private static final String TAG = "IpSecManager";
/**
@@ -88,6 +91,11 @@
@SystemApi(client = MODULE_LIBRARIES)
public static final int DIRECTION_FWD = 2;
+ /** @hide */
+ @IntDef(value = {DIRECTION_IN, DIRECTION_OUT})
+ @Retention(RetentionPolicy.SOURCE)
+ public @interface PolicyDirection {}
+
/**
* The Security Parameter Index (SPI) 0 indicates an unknown or invalid index.
*
@@ -981,6 +989,29 @@
}
/**
+ * @hide
+ */
+ public IpSecTransformResponse createTransform(IpSecConfig config, IBinder binder,
+ String callingPackage) {
+ try {
+ return mService.createTransform(config, binder, callingPackage);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
+ * @hide
+ */
+ public void deleteTransform(int resourceId) {
+ try {
+ mService.deleteTransform(resourceId);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
* Construct an instance of IpSecManager within an application context.
*
* @param context the application context for this manager
diff --git a/framework-t/src/android/net/IpSecTransform.java b/framework-t/src/android/net/IpSecTransform.java
index 36199a0..68ae5de 100644
--- a/framework-t/src/android/net/IpSecTransform.java
+++ b/framework-t/src/android/net/IpSecTransform.java
@@ -26,9 +26,6 @@
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Binder;
-import android.os.IBinder;
-import android.os.RemoteException;
-import android.os.ServiceManager;
import android.os.ServiceSpecificException;
import android.util.Log;
@@ -93,16 +90,9 @@
mResourceId = INVALID_RESOURCE_ID;
}
- private IIpSecService getIpSecService() {
- IBinder b = ServiceManager.getService(android.content.Context.IPSEC_SERVICE);
- if (b == null) {
- throw new RemoteException("Failed to connect to IpSecService")
- .rethrowAsRuntimeException();
- }
-
- return IIpSecService.Stub.asInterface(b);
+ private IpSecManager getIpSecManager(Context context) {
+ return context.getSystemService(IpSecManager.class);
}
-
/**
* Checks the result status and throws an appropriate exception if the status is not Status.OK.
*/
@@ -130,8 +120,7 @@
IpSecManager.SpiUnavailableException {
synchronized (this) {
try {
- IIpSecService svc = getIpSecService();
- IpSecTransformResponse result = svc.createTransform(
+ IpSecTransformResponse result = getIpSecManager(mContext).createTransform(
mConfig, new Binder(), mContext.getOpPackageName());
int status = result.status;
checkResultStatus(status);
@@ -140,8 +129,6 @@
mCloseGuard.open("build");
} catch (ServiceSpecificException e) {
throw IpSecManager.rethrowUncheckedExceptionFromServiceSpecificException(e);
- } catch (RemoteException e) {
- throw e.rethrowAsRuntimeException();
}
}
@@ -177,10 +164,7 @@
return;
}
try {
- IIpSecService svc = getIpSecService();
- svc.deleteTransform(mResourceId);
- } catch (RemoteException e) {
- throw e.rethrowAsRuntimeException();
+ getIpSecManager(mContext).deleteTransform(mResourceId);
} catch (Exception e) {
// On close we swallow all random exceptions since failure to close is not
// actionable by the user.
diff --git a/framework-t/src/android/net/NetworkIdentity.java b/framework-t/src/android/net/NetworkIdentity.java
index 8f1115e..56faa52 100644
--- a/framework-t/src/android/net/NetworkIdentity.java
+++ b/framework-t/src/android/net/NetworkIdentity.java
@@ -16,18 +16,29 @@
package android.net;
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+import static android.net.ConnectivityManager.TYPE_MOBILE;
import static android.net.ConnectivityManager.TYPE_WIFI;
+import static android.net.NetworkTemplate.NETWORK_TYPE_ALL;
+import android.annotation.IntDef;
+import android.annotation.NonNull;
import android.annotation.Nullable;
+import android.annotation.SuppressLint;
+import android.annotation.SystemApi;
+import android.app.usage.NetworkStatsManager;
import android.content.Context;
import android.net.wifi.WifiInfo;
import android.service.NetworkIdentityProto;
-import android.telephony.Annotation.NetworkType;
+import android.telephony.TelephonyManager;
import android.util.proto.ProtoOutputStream;
+import com.android.net.module.util.CollectionUtils;
import com.android.net.module.util.NetworkCapabilitiesUtils;
import com.android.net.module.util.NetworkIdentityUtils;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.Objects;
@@ -37,11 +48,24 @@
*
* @hide
*/
-public class NetworkIdentity implements Comparable<NetworkIdentity> {
+@SystemApi(client = MODULE_LIBRARIES)
+public class NetworkIdentity {
private static final String TAG = "NetworkIdentity";
+ /** @hide */
+ // TODO: Remove this after migrating all callers to use
+ // {@link NetworkTemplate#NETWORK_TYPE_ALL} instead.
public static final int SUBTYPE_COMBINED = -1;
+ /** @hide */
+ @Retention(RetentionPolicy.SOURCE)
+ @IntDef(prefix = { "OEM_MANAGED_" }, flag = true, value = {
+ NetworkTemplate.OEM_MANAGED_NO,
+ NetworkTemplate.OEM_MANAGED_PAID,
+ NetworkTemplate.OEM_MANAGED_PRIVATE
+ })
+ public @interface OemManaged{}
+
/**
* Network has no {@code NetworkCapabilities#NET_CAPABILITY_OEM_*}.
* @hide
@@ -51,29 +75,32 @@
* Network has {@link NetworkCapabilities#NET_CAPABILITY_OEM_PAID}.
* @hide
*/
- public static final int OEM_PAID = 0x1;
+ public static final int OEM_PAID = 1 << 0;
/**
* Network has {@link NetworkCapabilities#NET_CAPABILITY_OEM_PRIVATE}.
* @hide
*/
- public static final int OEM_PRIVATE = 0x2;
+ public static final int OEM_PRIVATE = 1 << 1;
+
+ private static final long SUPPORTED_OEM_MANAGED_TYPES = OEM_PAID | OEM_PRIVATE;
final int mType;
- final int mSubType;
+ final int mRatType;
final String mSubscriberId;
- final String mNetworkId;
+ final String mWifiNetworkKey;
final boolean mRoaming;
final boolean mMetered;
final boolean mDefaultNetwork;
final int mOemManaged;
+ /** @hide */
public NetworkIdentity(
- int type, int subType, String subscriberId, String networkId, boolean roaming,
- boolean metered, boolean defaultNetwork, int oemManaged) {
+ int type, int ratType, @Nullable String subscriberId, @Nullable String wifiNetworkKey,
+ boolean roaming, boolean metered, boolean defaultNetwork, int oemManaged) {
mType = type;
- mSubType = subType;
+ mRatType = ratType;
mSubscriberId = subscriberId;
- mNetworkId = networkId;
+ mWifiNetworkKey = wifiNetworkKey;
mRoaming = roaming;
mMetered = metered;
mDefaultNetwork = defaultNetwork;
@@ -82,7 +109,7 @@
@Override
public int hashCode() {
- return Objects.hash(mType, mSubType, mSubscriberId, mNetworkId, mRoaming, mMetered,
+ return Objects.hash(mType, mRatType, mSubscriberId, mWifiNetworkKey, mRoaming, mMetered,
mDefaultNetwork, mOemManaged);
}
@@ -90,9 +117,9 @@
public boolean equals(@Nullable Object obj) {
if (obj instanceof NetworkIdentity) {
final NetworkIdentity ident = (NetworkIdentity) obj;
- return mType == ident.mType && mSubType == ident.mSubType && mRoaming == ident.mRoaming
+ return mType == ident.mType && mRatType == ident.mRatType && mRoaming == ident.mRoaming
&& Objects.equals(mSubscriberId, ident.mSubscriberId)
- && Objects.equals(mNetworkId, ident.mNetworkId)
+ && Objects.equals(mWifiNetworkKey, ident.mWifiNetworkKey)
&& mMetered == ident.mMetered
&& mDefaultNetwork == ident.mDefaultNetwork
&& mOemManaged == ident.mOemManaged;
@@ -104,18 +131,18 @@
public String toString() {
final StringBuilder builder = new StringBuilder("{");
builder.append("type=").append(mType);
- builder.append(", subType=");
- if (mSubType == SUBTYPE_COMBINED) {
+ builder.append(", ratType=");
+ if (mRatType == NETWORK_TYPE_ALL) {
builder.append("COMBINED");
} else {
- builder.append(mSubType);
+ builder.append(mRatType);
}
if (mSubscriberId != null) {
builder.append(", subscriberId=")
.append(NetworkIdentityUtils.scrubSubscriberId(mSubscriberId));
}
- if (mNetworkId != null) {
- builder.append(", networkId=").append(mNetworkId);
+ if (mWifiNetworkKey != null) {
+ builder.append(", wifiNetworkKey=").append(mWifiNetworkKey);
}
if (mRoaming) {
builder.append(", ROAMING");
@@ -153,18 +180,14 @@
}
}
+ /** @hide */
public void dumpDebug(ProtoOutputStream proto, long tag) {
final long start = proto.start(tag);
proto.write(NetworkIdentityProto.TYPE, mType);
- // Not dumping mSubType, subtypes are no longer supported.
+ // TODO: dump mRatType as well.
- if (mSubscriberId != null) {
- proto.write(NetworkIdentityProto.SUBSCRIBER_ID,
- NetworkIdentityUtils.scrubSubscriberId(mSubscriberId));
- }
- proto.write(NetworkIdentityProto.NETWORK_ID, mNetworkId);
proto.write(NetworkIdentityProto.ROAMING, mRoaming);
proto.write(NetworkIdentityProto.METERED, mMetered);
proto.write(NetworkIdentityProto.DEFAULT_NETWORK, mDefaultNetwork);
@@ -173,77 +196,98 @@
proto.end(start);
}
+ /** Get the network type of this instance. */
public int getType() {
return mType;
}
- public int getSubType() {
- return mSubType;
+ /** Get the Radio Access Technology(RAT) type of this instance. */
+ public int getRatType() {
+ return mRatType;
}
+ /** Get the Subscriber Id of this instance. */
+ @Nullable
public String getSubscriberId() {
return mSubscriberId;
}
- public String getNetworkId() {
- return mNetworkId;
+ /** Get the Wifi Network Key of this instance. See {@link WifiInfo#getNetworkKey()}. */
+ @Nullable
+ public String getWifiNetworkKey() {
+ return mWifiNetworkKey;
}
+ /** @hide */
+ // TODO: Remove this function after all callers are removed.
public boolean getRoaming() {
return mRoaming;
}
+ /** Return whether this network is roaming. */
+ public boolean isRoaming() {
+ return mRoaming;
+ }
+
+ /** @hide */
+ // TODO: Remove this function after all callers are removed.
public boolean getMetered() {
return mMetered;
}
+ /** Return whether this network is metered. */
+ public boolean isMetered() {
+ return mMetered;
+ }
+
+ /** @hide */
+ // TODO: Remove this function after all callers are removed.
public boolean getDefaultNetwork() {
return mDefaultNetwork;
}
+ /** Return whether this network is the default network. */
+ public boolean isDefaultNetwork() {
+ return mDefaultNetwork;
+ }
+
+ /** Get the OEM managed type of this instance. */
public int getOemManaged() {
return mOemManaged;
}
/**
- * Build a {@link NetworkIdentity} from the given {@link NetworkStateSnapshot} and
- * {@code subType}, assuming that any mobile networks are using the current IMSI.
- * The subType if applicable, should be set as one of the TelephonyManager.NETWORK_TYPE_*
- * constants, or {@link android.telephony.TelephonyManager#NETWORK_TYPE_UNKNOWN} if not.
+ * Assemble a {@link NetworkIdentity} from the passed arguments.
+ *
+ * This methods builds an identity based on the capabilities of the network in the
+ * snapshot and other passed arguments. The identity is used as a key to record data usage.
+ *
+ * @param snapshot the snapshot of network state. See {@link NetworkStateSnapshot}.
+ * @param defaultNetwork whether the network is a default network.
+ * @param ratType the Radio Access Technology(RAT) type of the network. Or
+ * {@link TelephonyManager#NETWORK_TYPE_UNKNOWN} if not applicable.
+ * See {@code TelephonyManager.NETWORK_TYPE_*}.
+ * @hide
+ * @deprecated See {@link NetworkIdentity.Builder}.
*/
+ // TODO: Remove this after all callers are migrated to use new Api.
+ @Deprecated
+ @NonNull
public static NetworkIdentity buildNetworkIdentity(Context context,
- NetworkStateSnapshot snapshot, boolean defaultNetwork, @NetworkType int subType) {
- final int legacyType = snapshot.getLegacyType();
-
- final String subscriberId = snapshot.getSubscriberId();
- String networkId = null;
- boolean roaming = !snapshot.getNetworkCapabilities().hasCapability(
- NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING);
- boolean metered = !(snapshot.getNetworkCapabilities().hasCapability(
- NetworkCapabilities.NET_CAPABILITY_NOT_METERED)
- || snapshot.getNetworkCapabilities().hasCapability(
- NetworkCapabilities.NET_CAPABILITY_TEMPORARILY_NOT_METERED));
-
- final int oemManaged = getOemBitfield(snapshot.getNetworkCapabilities());
-
- if (legacyType == TYPE_WIFI) {
- final TransportInfo transportInfo = snapshot.getNetworkCapabilities()
- .getTransportInfo();
- if (transportInfo instanceof WifiInfo) {
- final WifiInfo info = (WifiInfo) transportInfo;
- networkId = info != null ? info.getCurrentNetworkKey() : null;
- }
+ @NonNull NetworkStateSnapshot snapshot, boolean defaultNetwork, int ratType) {
+ final NetworkIdentity.Builder builder = new NetworkIdentity.Builder()
+ .setNetworkStateSnapshot(snapshot).setDefaultNetwork(defaultNetwork);
+ if (snapshot.getLegacyType() == TYPE_MOBILE && ratType != NETWORK_TYPE_ALL) {
+ builder.setRatType(ratType);
}
-
- return new NetworkIdentity(legacyType, subType, subscriberId, networkId, roaming, metered,
- defaultNetwork, oemManaged);
+ return builder.build();
}
/**
* Builds a bitfield of {@code NetworkIdentity.OEM_*} based on {@link NetworkCapabilities}.
* @hide
*/
- public static int getOemBitfield(NetworkCapabilities nc) {
+ public static int getOemBitfield(@NonNull NetworkCapabilities nc) {
int oemManaged = OEM_NONE;
if (nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_OEM_PAID)) {
@@ -256,30 +300,266 @@
return oemManaged;
}
- @Override
- public int compareTo(NetworkIdentity another) {
- int res = Integer.compare(mType, another.mType);
+ /** @hide */
+ public static int compare(@NonNull NetworkIdentity left, @NonNull NetworkIdentity right) {
+ Objects.requireNonNull(right);
+ int res = Integer.compare(left.mType, right.mType);
if (res == 0) {
- res = Integer.compare(mSubType, another.mSubType);
+ res = Integer.compare(left.mRatType, right.mRatType);
}
- if (res == 0 && mSubscriberId != null && another.mSubscriberId != null) {
- res = mSubscriberId.compareTo(another.mSubscriberId);
+ if (res == 0 && left.mSubscriberId != null && right.mSubscriberId != null) {
+ res = left.mSubscriberId.compareTo(right.mSubscriberId);
}
- if (res == 0 && mNetworkId != null && another.mNetworkId != null) {
- res = mNetworkId.compareTo(another.mNetworkId);
+ if (res == 0 && left.mWifiNetworkKey != null && right.mWifiNetworkKey != null) {
+ res = left.mWifiNetworkKey.compareTo(right.mWifiNetworkKey);
}
if (res == 0) {
- res = Boolean.compare(mRoaming, another.mRoaming);
+ res = Boolean.compare(left.mRoaming, right.mRoaming);
}
if (res == 0) {
- res = Boolean.compare(mMetered, another.mMetered);
+ res = Boolean.compare(left.mMetered, right.mMetered);
}
if (res == 0) {
- res = Boolean.compare(mDefaultNetwork, another.mDefaultNetwork);
+ res = Boolean.compare(left.mDefaultNetwork, right.mDefaultNetwork);
}
if (res == 0) {
- res = Integer.compare(mOemManaged, another.mOemManaged);
+ res = Integer.compare(left.mOemManaged, right.mOemManaged);
}
return res;
}
+
+ /**
+ * Builder class for {@link NetworkIdentity}.
+ */
+ public static final class Builder {
+ // Need to be synchronized with ConnectivityManager.
+ // TODO: Use {@link ConnectivityManager#MAX_NETWORK_TYPE} when this file is in the module.
+ private static final int MAX_NETWORK_TYPE = 18; // TYPE_TEST
+ private static final int MIN_NETWORK_TYPE = TYPE_MOBILE;
+
+ private int mType;
+ private int mRatType;
+ private String mSubscriberId;
+ private String mWifiNetworkKey;
+ private boolean mRoaming;
+ private boolean mMetered;
+ private boolean mDefaultNetwork;
+ private int mOemManaged;
+
+ /**
+ * Creates a new Builder.
+ */
+ public Builder() {
+ // Initialize with default values. Will be overwritten by setters.
+ mType = ConnectivityManager.TYPE_NONE;
+ mRatType = NetworkTemplate.NETWORK_TYPE_ALL;
+ mSubscriberId = null;
+ mWifiNetworkKey = null;
+ mRoaming = false;
+ mMetered = false;
+ mDefaultNetwork = false;
+ mOemManaged = NetworkTemplate.OEM_MANAGED_NO;
+ }
+
+ /**
+ * Add an {@link NetworkStateSnapshot} into the {@link NetworkIdentity} instance.
+ * This is a useful shorthand that will read from the snapshot and set the
+ * following fields, if they are set in the snapshot :
+ * - type
+ * - subscriberId
+ * - roaming
+ * - metered
+ * - oemManaged
+ * - wifiNetworkKey
+ *
+ * @param snapshot The target {@link NetworkStateSnapshot} object.
+ * @return The builder object.
+ */
+ @SuppressLint("MissingGetterMatchingBuilder")
+ @NonNull
+ public Builder setNetworkStateSnapshot(@NonNull NetworkStateSnapshot snapshot) {
+ setType(snapshot.getLegacyType());
+
+ setSubscriberId(snapshot.getSubscriberId());
+ setRoaming(!snapshot.getNetworkCapabilities().hasCapability(
+ NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING));
+ setMetered(!(snapshot.getNetworkCapabilities().hasCapability(
+ NetworkCapabilities.NET_CAPABILITY_NOT_METERED)
+ || snapshot.getNetworkCapabilities().hasCapability(
+ NetworkCapabilities.NET_CAPABILITY_TEMPORARILY_NOT_METERED)));
+
+ setOemManaged(getOemBitfield(snapshot.getNetworkCapabilities()));
+
+ if (mType == TYPE_WIFI) {
+ final TransportInfo transportInfo = snapshot.getNetworkCapabilities()
+ .getTransportInfo();
+ if (transportInfo instanceof WifiInfo) {
+ final WifiInfo info = (WifiInfo) transportInfo;
+ setWifiNetworkKey(info.getNetworkKey());
+ }
+ }
+ return this;
+ }
+
+ /**
+ * Set the network type of the network.
+ *
+ * @param type the network type. See {@link ConnectivityManager#TYPE_*}.
+ *
+ * @return this builder.
+ */
+ @NonNull
+ public Builder setType(int type) {
+ // Include TYPE_NONE for compatibility, type field might not be filled by some
+ // networks such as test networks.
+ if ((type < MIN_NETWORK_TYPE || MAX_NETWORK_TYPE < type)
+ && type != ConnectivityManager.TYPE_NONE) {
+ throw new IllegalArgumentException("Invalid network type: " + type);
+ }
+ mType = type;
+ return this;
+ }
+
+ /**
+ * Set the Radio Access Technology(RAT) type of the network.
+ *
+ * No RAT type is specified by default. Call clearRatType to reset.
+ *
+ * @param ratType the Radio Access Technology(RAT) type if applicable. See
+ * {@code TelephonyManager.NETWORK_TYPE_*}.
+ *
+ * @return this builder.
+ */
+ @NonNull
+ public Builder setRatType(int ratType) {
+ if (!CollectionUtils.contains(TelephonyManager.getAllNetworkTypes(), ratType)
+ && ratType != TelephonyManager.NETWORK_TYPE_UNKNOWN
+ && ratType != NetworkStatsManager.NETWORK_TYPE_5G_NSA) {
+ throw new IllegalArgumentException("Invalid ratType " + ratType);
+ }
+ mRatType = ratType;
+ return this;
+ }
+
+ /**
+ * Clear the Radio Access Technology(RAT) type of the network.
+ *
+ * @return this builder.
+ */
+ @NonNull
+ public Builder clearRatType() {
+ mRatType = NetworkTemplate.NETWORK_TYPE_ALL;
+ return this;
+ }
+
+ /**
+ * Set the Subscriber Id.
+ *
+ * @param subscriberId the Subscriber Id of the network. Or null if not applicable.
+ * @return this builder.
+ */
+ @NonNull
+ public Builder setSubscriberId(@Nullable String subscriberId) {
+ mSubscriberId = subscriberId;
+ return this;
+ }
+
+ /**
+ * Set the Wifi Network Key.
+ *
+ * @param wifiNetworkKey Wifi Network Key of the network,
+ * see {@link WifiInfo#getNetworkKey()}.
+ * Or null if not applicable.
+ * @return this builder.
+ */
+ @NonNull
+ public Builder setWifiNetworkKey(@Nullable String wifiNetworkKey) {
+ mWifiNetworkKey = wifiNetworkKey;
+ return this;
+ }
+
+ /**
+ * Set whether this network is roaming.
+ *
+ * This field is false by default. Call with false to reset.
+ *
+ * @param roaming the roaming status of the network.
+ * @return this builder.
+ */
+ @NonNull
+ public Builder setRoaming(boolean roaming) {
+ mRoaming = roaming;
+ return this;
+ }
+
+ /**
+ * Set whether this network is metered.
+ *
+ * This field is false by default. Call with false to reset.
+ *
+ * @param metered the meteredness of the network.
+ * @return this builder.
+ */
+ @NonNull
+ public Builder setMetered(boolean metered) {
+ mMetered = metered;
+ return this;
+ }
+
+ /**
+ * Set whether this network is the default network.
+ *
+ * This field is false by default. Call with false to reset.
+ *
+ * @param defaultNetwork the default network status of the network.
+ * @return this builder.
+ */
+ @NonNull
+ public Builder setDefaultNetwork(boolean defaultNetwork) {
+ mDefaultNetwork = defaultNetwork;
+ return this;
+ }
+
+ /**
+ * Set the OEM managed type.
+ *
+ * @param oemManaged Type of OEM managed network or unmanaged networks.
+ * See {@code NetworkTemplate#OEM_MANAGED_*}.
+ * @return this builder.
+ */
+ @NonNull
+ public Builder setOemManaged(@OemManaged int oemManaged) {
+ // Assert input does not contain illegal oemManage bits.
+ if ((~SUPPORTED_OEM_MANAGED_TYPES & oemManaged) != 0) {
+ throw new IllegalArgumentException("Invalid value for OemManaged : " + oemManaged);
+ }
+ mOemManaged = oemManaged;
+ return this;
+ }
+
+ private void ensureValidParameters() {
+ // Assert non-mobile network cannot have a ratType.
+ if (mType != TYPE_MOBILE && mRatType != NetworkTemplate.NETWORK_TYPE_ALL) {
+ throw new IllegalArgumentException(
+ "Invalid ratType " + mRatType + " for type " + mType);
+ }
+
+ // Assert non-wifi network cannot have a wifi network key.
+ if (mType != TYPE_WIFI && mWifiNetworkKey != null) {
+ throw new IllegalArgumentException("Invalid wifi network key for type " + mType);
+ }
+ }
+
+ /**
+ * Builds the instance of the {@link NetworkIdentity}.
+ *
+ * @return the built instance of {@link NetworkIdentity}.
+ */
+ @NonNull
+ public NetworkIdentity build() {
+ ensureValidParameters();
+ return new NetworkIdentity(mType, mRatType, mSubscriberId, mWifiNetworkKey,
+ mRoaming, mMetered, mDefaultNetwork, mOemManaged);
+ }
+ }
}
diff --git a/framework-t/src/android/net/NetworkIdentitySet.java b/framework-t/src/android/net/NetworkIdentitySet.java
index abbebef..dfa347f 100644
--- a/framework-t/src/android/net/NetworkIdentitySet.java
+++ b/framework-t/src/android/net/NetworkIdentitySet.java
@@ -18,6 +18,7 @@
import static android.net.ConnectivityManager.TYPE_MOBILE;
+import android.annotation.NonNull;
import android.service.NetworkIdentitySetProto;
import android.util.proto.ProtoOutputStream;
@@ -25,6 +26,8 @@
import java.io.DataOutput;
import java.io.IOException;
import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
/**
* Identity of a {@code iface}, defined by the set of {@link NetworkIdentity}
@@ -32,8 +35,7 @@
*
* @hide
*/
-public class NetworkIdentitySet extends HashSet<NetworkIdentity> implements
- Comparable<NetworkIdentitySet> {
+public class NetworkIdentitySet extends HashSet<NetworkIdentity> {
private static final int VERSION_INIT = 1;
private static final int VERSION_ADD_ROAMING = 2;
private static final int VERSION_ADD_NETWORK_ID = 3;
@@ -41,9 +43,19 @@
private static final int VERSION_ADD_DEFAULT_NETWORK = 5;
private static final int VERSION_ADD_OEM_MANAGED_NETWORK = 6;
+ /**
+ * Construct a {@link NetworkIdentitySet} object.
+ */
public NetworkIdentitySet() {
+ super();
}
+ /** @hide */
+ public NetworkIdentitySet(@NonNull Set<NetworkIdentity> ident) {
+ super(ident);
+ }
+
+ /** @hide */
public NetworkIdentitySet(DataInput in) throws IOException {
final int version = in.readInt();
final int size = in.readInt();
@@ -52,7 +64,7 @@
final int ignored = in.readInt();
}
final int type = in.readInt();
- final int subType = in.readInt();
+ final int ratType = in.readInt();
final String subscriberId = readOptionalString(in);
final String networkId;
if (version >= VERSION_ADD_NETWORK_ID) {
@@ -91,63 +103,73 @@
oemNetCapabilities = NetworkIdentity.OEM_NONE;
}
- add(new NetworkIdentity(type, subType, subscriberId, networkId, roaming, metered,
+ add(new NetworkIdentity(type, ratType, subscriberId, networkId, roaming, metered,
defaultNetwork, oemNetCapabilities));
}
}
/**
* Method to serialize this object into a {@code DataOutput}.
+ * @hide
*/
public void writeToStream(DataOutput out) throws IOException {
out.writeInt(VERSION_ADD_OEM_MANAGED_NETWORK);
out.writeInt(size());
for (NetworkIdentity ident : this) {
out.writeInt(ident.getType());
- out.writeInt(ident.getSubType());
+ out.writeInt(ident.getRatType());
writeOptionalString(out, ident.getSubscriberId());
- writeOptionalString(out, ident.getNetworkId());
- out.writeBoolean(ident.getRoaming());
- out.writeBoolean(ident.getMetered());
- out.writeBoolean(ident.getDefaultNetwork());
+ writeOptionalString(out, ident.getWifiNetworkKey());
+ out.writeBoolean(ident.isRoaming());
+ out.writeBoolean(ident.isMetered());
+ out.writeBoolean(ident.isDefaultNetwork());
out.writeInt(ident.getOemManaged());
}
}
- /** @return whether any {@link NetworkIdentity} in this set is considered metered. */
+ /**
+ * @return whether any {@link NetworkIdentity} in this set is considered metered.
+ * @hide
+ */
public boolean isAnyMemberMetered() {
if (isEmpty()) {
return false;
}
for (NetworkIdentity ident : this) {
- if (ident.getMetered()) {
+ if (ident.isMetered()) {
return true;
}
}
return false;
}
- /** @return whether any {@link NetworkIdentity} in this set is considered roaming. */
+ /**
+ * @return whether any {@link NetworkIdentity} in this set is considered roaming.
+ * @hide
+ */
public boolean isAnyMemberRoaming() {
if (isEmpty()) {
return false;
}
for (NetworkIdentity ident : this) {
- if (ident.getRoaming()) {
+ if (ident.isRoaming()) {
return true;
}
}
return false;
}
- /** @return whether any {@link NetworkIdentity} in this set is considered on the default
- network. */
+ /**
+ * @return whether any {@link NetworkIdentity} in this set is considered on the default
+ * network.
+ * @hide
+ */
public boolean areAllMembersOnDefaultNetwork() {
if (isEmpty()) {
return true;
}
for (NetworkIdentity ident : this) {
- if (!ident.getDefaultNetwork()) {
+ if (!ident.isDefaultNetwork()) {
return false;
}
}
@@ -171,18 +193,20 @@
}
}
- @Override
- public int compareTo(NetworkIdentitySet another) {
- if (isEmpty()) return -1;
- if (another.isEmpty()) return 1;
+ public static int compare(@NonNull NetworkIdentitySet left, @NonNull NetworkIdentitySet right) {
+ Objects.requireNonNull(left);
+ Objects.requireNonNull(right);
+ if (left.isEmpty()) return -1;
+ if (right.isEmpty()) return 1;
- final NetworkIdentity ident = iterator().next();
- final NetworkIdentity anotherIdent = another.iterator().next();
- return ident.compareTo(anotherIdent);
+ final NetworkIdentity leftIdent = left.iterator().next();
+ final NetworkIdentity rightIdent = right.iterator().next();
+ return NetworkIdentity.compare(leftIdent, rightIdent);
}
/**
* Method to dump this object into proto debug file.
+ * @hide
*/
public void dumpDebug(ProtoOutputStream proto, long tag) {
final long start = proto.start(tag);
diff --git a/framework-t/src/android/net/NetworkStats.java b/framework-t/src/android/net/NetworkStats.java
index 352849c..f681ba1 100644
--- a/framework-t/src/android/net/NetworkStats.java
+++ b/framework-t/src/android/net/NetworkStats.java
@@ -42,6 +42,7 @@
import java.lang.annotation.RetentionPolicy;
import java.util.Arrays;
import java.util.HashSet;
+import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
@@ -58,7 +59,7 @@
*/
// @NotThreadSafe
@SystemApi
-public final class NetworkStats implements Parcelable {
+public final class NetworkStats implements Parcelable, Iterable<NetworkStats.Entry> {
private static final String TAG = "NetworkStats";
/**
@@ -384,6 +385,95 @@
this.operations += another.operations;
}
+ /**
+ * @return interface name of this entry.
+ * @hide
+ */
+ @Nullable public String getIface() {
+ return iface;
+ }
+
+ /**
+ * @return the uid of this entry.
+ */
+ public int getUid() {
+ return uid;
+ }
+
+ /**
+ * @return the set state of this entry. Should be one of the following
+ * values: {@link #SET_DEFAULT}, {@link #SET_FOREGROUND}.
+ */
+ @State public int getSet() {
+ return set;
+ }
+
+ /**
+ * @return the tag value of this entry.
+ */
+ public int getTag() {
+ return tag;
+ }
+
+ /**
+ * @return the metered state. Should be one of the following
+ * values: {link #METERED_YES}, {link #METERED_NO}.
+ */
+ @Meteredness public int getMetered() {
+ return metered;
+ }
+
+ /**
+ * @return the roaming state. Should be one of the following
+ * values: {link #ROAMING_YES}, {link #ROAMING_NO}.
+ */
+ @Roaming public int getRoaming() {
+ return roaming;
+ }
+
+ /**
+ * @return the default network state. Should be one of the following
+ * values: {link #DEFAULT_NETWORK_YES}, {link #DEFAULT_NETWORK_NO}.
+ */
+ @DefaultNetwork public int getDefaultNetwork() {
+ return defaultNetwork;
+ }
+
+ /**
+ * @return the number of received bytes.
+ */
+ public long getRxBytes() {
+ return rxBytes;
+ }
+
+ /**
+ * @return the number of received packets.
+ */
+ public long getRxPackets() {
+ return rxPackets;
+ }
+
+ /**
+ * @return the number of transmitted bytes.
+ */
+ public long getTxBytes() {
+ return txBytes;
+ }
+
+ /**
+ * @return the number of transmitted packets.
+ */
+ public long getTxPackets() {
+ return txPackets;
+ }
+
+ /**
+ * @return the count of network operations performed for this entry.
+ */
+ public long getOperations() {
+ return operations;
+ }
+
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
@@ -590,11 +680,40 @@
}
/**
+ * Iterate over Entry objects.
+ *
+ * Return an iterator of this object that will iterate through all contained Entry objects.
+ *
+ * This iterator does not support concurrent modification and makes no guarantee of fail-fast
+ * behavior. If any method that can mutate the contents of this object is called while
+ * iteration is in progress, either inside the loop or in another thread, then behavior is
+ * undefined.
+ * The remove() method is not implemented and will throw UnsupportedOperationException.
+ * @hide
+ */
+ @SystemApi
+ @NonNull public Iterator<Entry> iterator() {
+ return new Iterator<Entry>() {
+ int mIndex = 0;
+
+ @Override
+ public boolean hasNext() {
+ return mIndex < size;
+ }
+
+ @Override
+ public Entry next() {
+ return getValues(mIndex++, null);
+ }
+ };
+ }
+
+ /**
* Return specific stats entry.
* @hide
*/
@UnsupportedAppUsage
- public Entry getValues(int i, Entry recycle) {
+ public Entry getValues(int i, @Nullable Entry recycle) {
final Entry entry = recycle != null ? recycle : new Entry();
entry.iface = iface[i];
entry.uid = uid[i];
diff --git a/framework-t/src/android/net/NetworkStatsCollection.java b/framework-t/src/android/net/NetworkStatsCollection.java
index 7935d28..735c44d 100644
--- a/framework-t/src/android/net/NetworkStatsCollection.java
+++ b/framework-t/src/android/net/NetworkStatsCollection.java
@@ -16,6 +16,7 @@
package android.net;
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
import static android.net.NetworkStats.DEFAULT_NETWORK_NO;
import static android.net.NetworkStats.DEFAULT_NETWORK_YES;
import static android.net.NetworkStats.IFACE_ALL;
@@ -32,6 +33,10 @@
import static com.android.net.module.util.NetworkStatsUtils.multiplySafeByRational;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.SystemApi;
+import android.net.NetworkStatsHistory.Entry;
import android.os.Binder;
import android.service.NetworkStatsCollectionKeyProto;
import android.service.NetworkStatsCollectionProto;
@@ -46,8 +51,6 @@
import android.util.proto.ProtoOutputStream;
import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.FastDataInput;
-import com.android.internal.util.FastDataOutput;
import com.android.internal.util.FileRotator;
import com.android.net.module.util.CollectionUtils;
import com.android.net.module.util.NetworkStatsUtils;
@@ -58,6 +61,7 @@
import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutput;
+import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
@@ -70,7 +74,10 @@
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
import java.util.Objects;
+import java.util.Set;
/**
* Collection of {@link NetworkStatsHistory}, stored based on combined key of
@@ -78,14 +85,12 @@
*
* @hide
*/
+@SystemApi(client = MODULE_LIBRARIES)
public class NetworkStatsCollection implements FileRotator.Reader, FileRotator.Writer {
private static final String TAG = NetworkStatsCollection.class.getSimpleName();
/** File header magic number: "ANET" */
private static final int FILE_MAGIC = 0x414E4554;
- /** Default buffer size from BufferedInputStream */
- private static final int BUFFER_SIZE = 8192;
-
private static final int VERSION_NETWORK_INIT = 1;
private static final int VERSION_UID_INIT = 1;
@@ -104,15 +109,23 @@
private long mTotalBytes;
private boolean mDirty;
+ /**
+ * Construct a {@link NetworkStatsCollection} object.
+ *
+ * @param bucketDuration duration of the buckets in this object, in milliseconds.
+ * @hide
+ */
public NetworkStatsCollection(long bucketDuration) {
mBucketDuration = bucketDuration;
reset();
}
+ /** @hide */
public void clear() {
reset();
}
+ /** @hide */
public void reset() {
mStats.clear();
mStartMillis = Long.MAX_VALUE;
@@ -121,6 +134,7 @@
mDirty = false;
}
+ /** @hide */
public long getStartMillis() {
return mStartMillis;
}
@@ -128,6 +142,7 @@
/**
* Return first atomic bucket in this collection, which is more conservative
* than {@link #mStartMillis}.
+ * @hide
*/
public long getFirstAtomicBucketMillis() {
if (mStartMillis == Long.MAX_VALUE) {
@@ -137,26 +152,32 @@
}
}
+ /** @hide */
public long getEndMillis() {
return mEndMillis;
}
+ /** @hide */
public long getTotalBytes() {
return mTotalBytes;
}
+ /** @hide */
public boolean isDirty() {
return mDirty;
}
+ /** @hide */
public void clearDirty() {
mDirty = false;
}
+ /** @hide */
public boolean isEmpty() {
return mStartMillis == Long.MAX_VALUE && mEndMillis == Long.MIN_VALUE;
}
+ /** @hide */
@VisibleForTesting
public long roundUp(long time) {
if (time == Long.MIN_VALUE || time == Long.MAX_VALUE
@@ -172,6 +193,7 @@
}
}
+ /** @hide */
@VisibleForTesting
public long roundDown(long time) {
if (time == Long.MIN_VALUE || time == Long.MAX_VALUE
@@ -186,10 +208,12 @@
}
}
+ /** @hide */
public int[] getRelevantUids(@NetworkStatsAccess.Level int accessLevel) {
return getRelevantUids(accessLevel, Binder.getCallingUid());
}
+ /** @hide */
public int[] getRelevantUids(@NetworkStatsAccess.Level int accessLevel,
final int callerUid) {
final ArrayList<Integer> uids = new ArrayList<>();
@@ -210,6 +234,7 @@
/**
* Combine all {@link NetworkStatsHistory} in this collection which match
* the requested parameters.
+ * @hide
*/
public NetworkStatsHistory getHistory(NetworkTemplate template, SubscriptionPlan augmentPlan,
int uid, int set, int tag, int fields, long start, long end,
@@ -335,6 +360,7 @@
* @param end - end of the range, timestamp in milliseconds since the epoch.
* @param accessLevel - caller access level.
* @param callerUid - caller UID.
+ * @hide
*/
public NetworkStats getSummary(NetworkTemplate template, long start, long end,
@NetworkStatsAccess.Level int accessLevel, int callerUid) {
@@ -381,6 +407,7 @@
/**
* Record given {@link android.net.NetworkStats.Entry} into this collection.
+ * @hide
*/
public void recordData(NetworkIdentitySet ident, int uid, int set, int tag, long start,
long end, NetworkStats.Entry entry) {
@@ -391,8 +418,12 @@
/**
* Record given {@link NetworkStatsHistory} into this collection.
+ *
+ * @hide
*/
- private void recordHistory(Key key, NetworkStatsHistory history) {
+ public void recordHistory(@NonNull Key key, @NonNull NetworkStatsHistory history) {
+ Objects.requireNonNull(key);
+ Objects.requireNonNull(history);
if (history.size() == 0) return;
noteRecordedHistory(history.getStart(), history.getEnd(), history.getTotalBytes());
@@ -407,8 +438,11 @@
/**
* Record all {@link NetworkStatsHistory} contained in the given collection
* into this collection.
+ *
+ * @hide
*/
- public void recordCollection(NetworkStatsCollection another) {
+ public void recordCollection(@NonNull NetworkStatsCollection another) {
+ Objects.requireNonNull(another);
for (int i = 0; i < another.mStats.size(); i++) {
final Key key = another.mStats.keyAt(i);
final NetworkStatsHistory value = another.mStats.valueAt(i);
@@ -437,10 +471,10 @@
}
}
+ /** @hide */
@Override
public void read(InputStream in) throws IOException {
- final FastDataInput dataIn = new FastDataInput(in, BUFFER_SIZE);
- read(dataIn);
+ read((DataInput) new DataInputStream(in));
}
private void read(DataInput in) throws IOException {
@@ -477,11 +511,11 @@
}
}
+ /** @hide */
@Override
public void write(OutputStream out) throws IOException {
- final FastDataOutput dataOut = new FastDataOutput(out, BUFFER_SIZE);
- write(dataOut);
- dataOut.flush();
+ write((DataOutput) new DataOutputStream(out));
+ out.flush();
}
private void write(DataOutput out) throws IOException {
@@ -520,6 +554,7 @@
* See {@code NetworkStatsService#maybeUpgradeLegacyStatsLocked}.
*
* @deprecated
+ * @hide
*/
@Deprecated
public void readLegacyNetwork(File file) throws IOException {
@@ -565,6 +600,7 @@
* See {@code NetworkStatsService#maybeUpgradeLegacyStatsLocked}.
*
* @deprecated
+ * @hide
*/
@Deprecated
public void readLegacyUid(File file, boolean onlyTags) throws IOException {
@@ -635,6 +671,7 @@
* Remove any {@link NetworkStatsHistory} attributed to the requested UID,
* moving any {@link NetworkStats#TAG_NONE} series to
* {@link TrafficStats#UID_REMOVED}.
+ * @hide
*/
public void removeUids(int[] uids) {
final ArrayList<Key> knownKeys = new ArrayList<>();
@@ -671,10 +708,11 @@
private ArrayList<Key> getSortedKeys() {
final ArrayList<Key> keys = new ArrayList<>();
keys.addAll(mStats.keySet());
- Collections.sort(keys);
+ Collections.sort(keys, (left, right) -> Key.compare(left, right));
return keys;
}
+ /** @hide */
public void dump(IndentingPrintWriter pw) {
for (Key key : getSortedKeys()) {
pw.print("ident="); pw.print(key.ident.toString());
@@ -689,6 +727,7 @@
}
}
+ /** @hide */
public void dumpDebug(ProtoOutputStream proto, long tag) {
final long start = proto.start(tag);
@@ -712,6 +751,7 @@
proto.end(start);
}
+ /** @hide */
public void dumpCheckin(PrintWriter pw, long start, long end) {
dumpCheckin(pw, start, end, NetworkTemplate.buildTemplateMobileWildcard(), "cell");
dumpCheckin(pw, start, end, NetworkTemplate.buildTemplateWifiWildcard(), "wifi");
@@ -774,16 +814,102 @@
return false;
}
- private static class Key implements Comparable<Key> {
+ /**
+ * Get the all historical stats of the collection {@link NetworkStatsCollection}.
+ *
+ * @return All {@link NetworkStatsHistory} in this collection.
+ */
+ @NonNull
+ public Map<Key, NetworkStatsHistory> getEntries() {
+ return new ArrayMap(mStats);
+ }
+
+ /**
+ * Builder class for {@link NetworkStatsCollection}.
+ */
+ public static final class Builder {
+ private final long mBucketDuration;
+ private final ArrayMap<Key, NetworkStatsHistory> mEntries = new ArrayMap<>();
+
+ /**
+ * Creates a new Builder with given bucket duration.
+ *
+ * @param bucketDuration Duration of the buckets of the object, in milliseconds.
+ */
+ public Builder(long bucketDuration) {
+ mBucketDuration = bucketDuration;
+ }
+
+ /**
+ * Add association of the history with the specified key in this map.
+ *
+ * @param key The object used to identify a network, see {@link Key}.
+ * @param history {@link NetworkStatsHistory} instance associated to the given {@link Key}.
+ * @return The builder object.
+ */
+ @NonNull
+ public NetworkStatsCollection.Builder addEntry(@NonNull Key key,
+ @NonNull NetworkStatsHistory history) {
+ Objects.requireNonNull(key);
+ Objects.requireNonNull(history);
+ final List<Entry> historyEntries = history.getEntries();
+
+ final NetworkStatsHistory.Builder historyBuilder =
+ new NetworkStatsHistory.Builder(mBucketDuration, historyEntries.size());
+ for (Entry entry : historyEntries) {
+ historyBuilder.addEntry(entry);
+ }
+
+ mEntries.put(key, historyBuilder.build());
+ return this;
+ }
+
+ /**
+ * Builds the instance of the {@link NetworkStatsCollection}.
+ *
+ * @return the built instance of {@link NetworkStatsCollection}.
+ */
+ @NonNull
+ public NetworkStatsCollection build() {
+ final NetworkStatsCollection collection = new NetworkStatsCollection(mBucketDuration);
+ for (int i = 0; i < mEntries.size(); i++) {
+ collection.recordHistory(mEntries.keyAt(i), mEntries.valueAt(i));
+ }
+ return collection;
+ }
+ }
+
+ /**
+ * the identifier that associate with the {@link NetworkStatsHistory} object to identify
+ * a certain record in the {@link NetworkStatsCollection} object.
+ */
+ public static class Key {
+ /** @hide */
public final NetworkIdentitySet ident;
+ /** @hide */
public final int uid;
+ /** @hide */
public final int set;
+ /** @hide */
public final int tag;
private final int mHashCode;
- Key(NetworkIdentitySet ident, int uid, int set, int tag) {
- this.ident = ident;
+ /**
+ * Construct a {@link Key} object.
+ *
+ * @param ident a Set of {@link NetworkIdentity} that associated with the record.
+ * @param uid Uid of the record.
+ * @param set Set of the record, see {@code NetworkStats#SET_*}.
+ * @param tag Tag of the record, see {@link TrafficStats#setThreadStatsTag(int)}.
+ */
+ public Key(@NonNull Set<NetworkIdentity> ident, int uid, int set, int tag) {
+ this(new NetworkIdentitySet(Objects.requireNonNull(ident)), uid, set, tag);
+ }
+
+ /** @hide */
+ public Key(@NonNull NetworkIdentitySet ident, int uid, int set, int tag) {
+ this.ident = Objects.requireNonNull(ident);
this.uid = uid;
this.set = set;
this.tag = tag;
@@ -796,7 +922,7 @@
}
@Override
- public boolean equals(Object obj) {
+ public boolean equals(@Nullable Object obj) {
if (obj instanceof Key) {
final Key key = (Key) obj;
return uid == key.uid && set == key.set && tag == key.tag
@@ -805,20 +931,22 @@
return false;
}
- @Override
- public int compareTo(Key another) {
+ /** @hide */
+ public static int compare(@NonNull Key left, @NonNull Key right) {
+ Objects.requireNonNull(left);
+ Objects.requireNonNull(right);
int res = 0;
- if (ident != null && another.ident != null) {
- res = ident.compareTo(another.ident);
+ if (left.ident != null && right.ident != null) {
+ res = NetworkIdentitySet.compare(left.ident, right.ident);
}
if (res == 0) {
- res = Integer.compare(uid, another.uid);
+ res = Integer.compare(left.uid, right.uid);
}
if (res == 0) {
- res = Integer.compare(set, another.set);
+ res = Integer.compare(left.set, right.set);
}
if (res == 0) {
- res = Integer.compare(tag, another.tag);
+ res = Integer.compare(left.tag, right.tag);
}
return res;
}
diff --git a/framework-t/src/android/net/NetworkStatsHistory.java b/framework-t/src/android/net/NetworkStatsHistory.java
index 428bc6d..78c1370 100644
--- a/framework-t/src/android/net/NetworkStatsHistory.java
+++ b/framework-t/src/android/net/NetworkStatsHistory.java
@@ -16,6 +16,7 @@
package android.net;
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
import static android.net.NetworkStats.IFACE_ALL;
import static android.net.NetworkStats.SET_DEFAULT;
import static android.net.NetworkStats.TAG_NONE;
@@ -30,6 +31,8 @@
import static com.android.net.module.util.NetworkStatsUtils.multiplySafeByRational;
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
import android.compat.annotation.UnsupportedAppUsage;
import android.os.Build;
import android.os.Parcel;
@@ -50,7 +53,9 @@
import java.io.IOException;
import java.io.PrintWriter;
import java.net.ProtocolException;
+import java.util.ArrayList;
import java.util.Arrays;
+import java.util.List;
import java.util.Random;
/**
@@ -64,18 +69,25 @@
*
* @hide
*/
-public class NetworkStatsHistory implements Parcelable {
+@SystemApi(client = MODULE_LIBRARIES)
+public final class NetworkStatsHistory implements Parcelable {
private static final int VERSION_INIT = 1;
private static final int VERSION_ADD_PACKETS = 2;
private static final int VERSION_ADD_ACTIVE = 3;
+ /** @hide */
public static final int FIELD_ACTIVE_TIME = 0x01;
+ /** @hide */
public static final int FIELD_RX_BYTES = 0x02;
+ /** @hide */
public static final int FIELD_RX_PACKETS = 0x04;
+ /** @hide */
public static final int FIELD_TX_BYTES = 0x08;
+ /** @hide */
public static final int FIELD_TX_PACKETS = 0x10;
+ /** @hide */
public static final int FIELD_OPERATIONS = 0x20;
-
+ /** @hide */
public static final int FIELD_ALL = 0xFFFFFFFF;
private long bucketDuration;
@@ -89,34 +101,171 @@
private long[] operations;
private long totalBytes;
- public static class Entry {
- public static final long UNKNOWN = -1;
-
- @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
- public long bucketDuration;
- @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
- public long bucketStart;
- public long activeTime;
- @UnsupportedAppUsage
- public long rxBytes;
- @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
- public long rxPackets;
- @UnsupportedAppUsage
- public long txBytes;
- @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
- public long txPackets;
- public long operations;
+ /** @hide */
+ public NetworkStatsHistory(long bucketDuration, long[] bucketStart, long[] activeTime,
+ long[] rxBytes, long[] rxPackets, long[] txBytes, long[] txPackets,
+ long[] operations, int bucketCount, long totalBytes) {
+ this.bucketDuration = bucketDuration;
+ this.bucketStart = bucketStart;
+ this.activeTime = activeTime;
+ this.rxBytes = rxBytes;
+ this.rxPackets = rxPackets;
+ this.txBytes = txBytes;
+ this.txPackets = txPackets;
+ this.operations = operations;
+ this.bucketCount = bucketCount;
+ this.totalBytes = totalBytes;
}
+ /**
+ * An instance to represent a single record in a {@link NetworkStatsHistory} object.
+ */
+ public static final class Entry {
+ /** @hide */
+ public static final long UNKNOWN = -1;
+
+ /** @hide */
+ // TODO: Migrate all callers to get duration from the history object and remove this field.
+ @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
+ public long bucketDuration;
+ /** @hide */
+ @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
+ public long bucketStart;
+ /** @hide */
+ public long activeTime;
+ /** @hide */
+ @UnsupportedAppUsage
+ public long rxBytes;
+ /** @hide */
+ @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
+ public long rxPackets;
+ /** @hide */
+ @UnsupportedAppUsage
+ public long txBytes;
+ /** @hide */
+ @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
+ public long txPackets;
+ /** @hide */
+ public long operations;
+ /** @hide */
+ Entry() {}
+
+ /**
+ * Construct a {@link Entry} instance to represent a single record in a
+ * {@link NetworkStatsHistory} object.
+ *
+ * @param bucketStart Start of period for this {@link Entry}, in milliseconds since the
+ * Unix epoch, see {@link java.lang.System#currentTimeMillis}.
+ * @param activeTime Active time for this {@link Entry}, in milliseconds.
+ * @param rxBytes Number of bytes received for this {@link Entry}. Statistics should
+ * represent the contents of IP packets, including IP headers.
+ * @param rxPackets Number of packets received for this {@link Entry}. Statistics should
+ * represent the contents of IP packets, including IP headers.
+ * @param txBytes Number of bytes transmitted for this {@link Entry}. Statistics should
+ * represent the contents of IP packets, including IP headers.
+ * @param txPackets Number of bytes transmitted for this {@link Entry}. Statistics should
+ * represent the contents of IP packets, including IP headers.
+ * @param operations count of network operations performed for this {@link Entry}. This can
+ * be used to derive bytes-per-operation.
+ */
+ public Entry(long bucketStart, long activeTime, long rxBytes,
+ long rxPackets, long txBytes, long txPackets, long operations) {
+ this.bucketStart = bucketStart;
+ this.activeTime = activeTime;
+ this.rxBytes = rxBytes;
+ this.rxPackets = rxPackets;
+ this.txBytes = txBytes;
+ this.txPackets = txPackets;
+ this.operations = operations;
+ }
+
+ /**
+ * Get start timestamp of the bucket's time interval, in milliseconds since the Unix epoch.
+ */
+ public long getBucketStart() {
+ return bucketStart;
+ }
+
+ /**
+ * Get active time of the bucket's time interval, in milliseconds.
+ */
+ public long getActiveTime() {
+ return activeTime;
+ }
+
+ /** Get number of bytes received for this {@link Entry}. */
+ public long getRxBytes() {
+ return rxBytes;
+ }
+
+ /** Get number of packets received for this {@link Entry}. */
+ public long getRxPackets() {
+ return rxPackets;
+ }
+
+ /** Get number of bytes transmitted for this {@link Entry}. */
+ public long getTxBytes() {
+ return txBytes;
+ }
+
+ /** Get number of packets transmitted for this {@link Entry}. */
+ public long getTxPackets() {
+ return txPackets;
+ }
+
+ /** Get count of network operations performed for this {@link Entry}. */
+ public long getOperations() {
+ return operations;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) return true;
+ if (o.getClass() != getClass()) return false;
+ Entry entry = (Entry) o;
+ return bucketStart == entry.bucketStart
+ && activeTime == entry.activeTime && rxBytes == entry.rxBytes
+ && rxPackets == entry.rxPackets && txBytes == entry.txBytes
+ && txPackets == entry.txPackets && operations == entry.operations;
+ }
+
+ @Override
+ public int hashCode() {
+ return (int) (bucketStart * 2
+ + activeTime * 3
+ + rxBytes * 5
+ + rxPackets * 7
+ + txBytes * 11
+ + txPackets * 13
+ + operations * 17);
+ }
+
+ @Override
+ public String toString() {
+ return "Entry{"
+ + "bucketStart=" + bucketStart
+ + ", activeTime=" + activeTime
+ + ", rxBytes=" + rxBytes
+ + ", rxPackets=" + rxPackets
+ + ", txBytes=" + txBytes
+ + ", txPackets=" + txPackets
+ + ", operations=" + operations
+ + "}";
+ }
+ }
+
+ /** @hide */
@UnsupportedAppUsage
public NetworkStatsHistory(long bucketDuration) {
this(bucketDuration, 10, FIELD_ALL);
}
+ /** @hide */
public NetworkStatsHistory(long bucketDuration, int initialSize) {
this(bucketDuration, initialSize, FIELD_ALL);
}
+ /** @hide */
public NetworkStatsHistory(long bucketDuration, int initialSize, int fields) {
this.bucketDuration = bucketDuration;
bucketStart = new long[initialSize];
@@ -130,11 +279,13 @@
totalBytes = 0;
}
+ /** @hide */
public NetworkStatsHistory(NetworkStatsHistory existing, long bucketDuration) {
this(bucketDuration, existing.estimateResizeBuckets(bucketDuration));
recordEntireHistory(existing);
}
+ /** @hide */
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
public NetworkStatsHistory(Parcel in) {
bucketDuration = in.readLong();
@@ -150,7 +301,7 @@
}
@Override
- public void writeToParcel(Parcel out, int flags) {
+ public void writeToParcel(@NonNull Parcel out, int flags) {
out.writeLong(bucketDuration);
writeLongArray(out, bucketStart, bucketCount);
writeLongArray(out, activeTime, bucketCount);
@@ -162,6 +313,7 @@
out.writeLong(totalBytes);
}
+ /** @hide */
public NetworkStatsHistory(DataInput in) throws IOException {
final int version = in.readInt();
switch (version) {
@@ -204,6 +356,7 @@
}
}
+ /** @hide */
public void writeToStream(DataOutput out) throws IOException {
out.writeInt(VERSION_ADD_ACTIVE);
out.writeLong(bucketDuration);
@@ -221,15 +374,18 @@
return 0;
}
+ /** @hide */
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
public int size() {
return bucketCount;
}
+ /** @hide */
public long getBucketDuration() {
return bucketDuration;
}
+ /** @hide */
@UnsupportedAppUsage
public long getStart() {
if (bucketCount > 0) {
@@ -239,6 +395,7 @@
}
}
+ /** @hide */
@UnsupportedAppUsage
public long getEnd() {
if (bucketCount > 0) {
@@ -250,6 +407,7 @@
/**
* Return total bytes represented by this history.
+ * @hide
*/
public long getTotalBytes() {
return totalBytes;
@@ -258,6 +416,7 @@
/**
* Return index of bucket that contains or is immediately before the
* requested time.
+ * @hide
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
public int getIndexBefore(long time) {
@@ -273,6 +432,7 @@
/**
* Return index of bucket that contains or is immediately after the
* requested time.
+ * @hide
*/
public int getIndexAfter(long time) {
int index = Arrays.binarySearch(bucketStart, 0, bucketCount, time);
@@ -286,6 +446,7 @@
/**
* Return specific stats entry.
+ * @hide
*/
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
public Entry getValues(int i, Entry recycle) {
@@ -301,6 +462,23 @@
return entry;
}
+ /**
+ * Get List of {@link Entry} of the {@link NetworkStatsHistory} instance.
+ *
+ * @return
+ */
+ @NonNull
+ public List<Entry> getEntries() {
+ // TODO: Return a wrapper that uses this list instead, to prevent the returned result
+ // from being changed.
+ final ArrayList<Entry> ret = new ArrayList<>(size());
+ for (int i = 0; i < size(); i++) {
+ ret.add(getValues(i, null /* recycle */));
+ }
+ return ret;
+ }
+
+ /** @hide */
public void setValues(int i, Entry entry) {
// Unwind old values
if (rxBytes != null) totalBytes -= rxBytes[i];
@@ -322,6 +500,7 @@
/**
* Record that data traffic occurred in the given time range. Will
* distribute across internal buckets, creating new buckets as needed.
+ * @hide
*/
@Deprecated
public void recordData(long start, long end, long rxBytes, long txBytes) {
@@ -332,6 +511,7 @@
/**
* Record that data traffic occurred in the given time range. Will
* distribute across internal buckets, creating new buckets as needed.
+ * @hide
*/
public void recordData(long start, long end, NetworkStats.Entry entry) {
long rxBytes = entry.rxBytes;
@@ -392,6 +572,7 @@
/**
* Record an entire {@link NetworkStatsHistory} into this history. Usually
* for combining together stats for external reporting.
+ * @hide
*/
@UnsupportedAppUsage
public void recordEntireHistory(NetworkStatsHistory input) {
@@ -402,6 +583,7 @@
* Record given {@link NetworkStatsHistory} into this history, copying only
* buckets that atomically occur in the inclusive time range. Doesn't
* interpolate across partial buckets.
+ * @hide
*/
public void recordHistory(NetworkStatsHistory input, long start, long end) {
final NetworkStats.Entry entry = new NetworkStats.Entry(
@@ -483,6 +665,7 @@
/**
* Clear all data stored in this object.
+ * @hide
*/
public void clear() {
bucketStart = EmptyArray.LONG;
@@ -498,9 +681,10 @@
/**
* Remove buckets older than requested cutoff.
+ * @hide
*/
- @Deprecated
public void removeBucketsBefore(long cutoff) {
+ // TODO: Consider use getIndexBefore.
int i;
for (i = 0; i < bucketCount; i++) {
final long curStart = bucketStart[i];
@@ -522,7 +706,9 @@
if (operations != null) operations = Arrays.copyOfRange(operations, i, length);
bucketCount -= i;
- // TODO: subtract removed values from totalBytes
+ totalBytes = 0;
+ if (rxBytes != null) totalBytes += CollectionUtils.total(rxBytes);
+ if (txBytes != null) totalBytes += CollectionUtils.total(txBytes);
}
}
@@ -536,6 +722,7 @@
* @param start - start of the range, timestamp in milliseconds since the epoch.
* @param end - end of the range, timestamp in milliseconds since the epoch.
* @param recycle - entry instance for performance, could be null.
+ * @hide
*/
@UnsupportedAppUsage
public Entry getValues(long start, long end, Entry recycle) {
@@ -550,6 +737,7 @@
* @param end - end of the range, timestamp in milliseconds since the epoch.
* @param now - current timestamp in milliseconds since the epoch (wall clock).
* @param recycle - entry instance for performance, could be null.
+ * @hide
*/
@UnsupportedAppUsage
public Entry getValues(long start, long end, long now, Entry recycle) {
@@ -613,6 +801,7 @@
/**
* @deprecated only for temporary testing
+ * @hide
*/
@Deprecated
public void generateRandom(long start, long end, long bytes) {
@@ -631,6 +820,7 @@
/**
* @deprecated only for temporary testing
+ * @hide
*/
@Deprecated
public void generateRandom(long start, long end, long rxBytes, long rxPackets, long txBytes,
@@ -660,12 +850,14 @@
}
}
+ /** @hide */
public static long randomLong(Random r, long start, long end) {
return (long) (start + (r.nextFloat() * (end - start)));
}
/**
* Quickly determine if this history intersects with given window.
+ * @hide
*/
public boolean intersects(long start, long end) {
final long dataStart = getStart();
@@ -677,6 +869,7 @@
return false;
}
+ /** @hide */
public void dump(IndentingPrintWriter pw, boolean fullHistory) {
pw.print("NetworkStatsHistory: bucketDuration=");
pw.println(bucketDuration / SECOND_IN_MILLIS);
@@ -700,6 +893,7 @@
pw.decreaseIndent();
}
+ /** @hide */
public void dumpCheckin(PrintWriter pw) {
pw.print("d,");
pw.print(bucketDuration / SECOND_IN_MILLIS);
@@ -717,6 +911,7 @@
}
}
+ /** @hide */
public void dumpDebug(ProtoOutputStream proto, long tag) {
final long start = proto.start(tag);
@@ -776,6 +971,7 @@
if (array != null) array[i] += value;
}
+ /** @hide */
public int estimateResizeBuckets(long newBucketDuration) {
return (int) (size() * getBucketDuration() / newBucketDuration);
}
@@ -783,6 +979,7 @@
/**
* Utility methods for interacting with {@link DataInputStream} and
* {@link DataOutputStream}, mostly dealing with writing partial arrays.
+ * @hide
*/
public static class DataStreamUtils {
@Deprecated
@@ -857,6 +1054,7 @@
/**
* Utility methods for interacting with {@link Parcel} structures, mostly
* dealing with writing partial arrays.
+ * @hide
*/
public static class ParcelUtils {
public static long[] readLongArray(Parcel in) {
@@ -884,4 +1082,80 @@
}
}
+ /**
+ * Builder class for {@link NetworkStatsHistory}.
+ */
+ public static final class Builder {
+ private final long mBucketDuration;
+ private final List<Long> mBucketStart;
+ private final List<Long> mActiveTime;
+ private final List<Long> mRxBytes;
+ private final List<Long> mRxPackets;
+ private final List<Long> mTxBytes;
+ private final List<Long> mTxPackets;
+ private final List<Long> mOperations;
+
+ /**
+ * Creates a new Builder with given bucket duration and initial capacity to construct
+ * {@link NetworkStatsHistory} objects.
+ *
+ * @param bucketDuration Duration of the buckets of the object, in milliseconds.
+ * @param initialCapacity Estimated number of records.
+ */
+ public Builder(long bucketDuration, int initialCapacity) {
+ mBucketDuration = bucketDuration;
+ mBucketStart = new ArrayList<>(initialCapacity);
+ mActiveTime = new ArrayList<>(initialCapacity);
+ mRxBytes = new ArrayList<>(initialCapacity);
+ mRxPackets = new ArrayList<>(initialCapacity);
+ mTxBytes = new ArrayList<>(initialCapacity);
+ mTxPackets = new ArrayList<>(initialCapacity);
+ mOperations = new ArrayList<>(initialCapacity);
+ }
+
+ /**
+ * Add an {@link Entry} into the {@link NetworkStatsHistory} instance.
+ *
+ * @param entry The target {@link Entry} object.
+ * @return The builder object.
+ */
+ @NonNull
+ public Builder addEntry(@NonNull Entry entry) {
+ mBucketStart.add(entry.bucketStart);
+ mActiveTime.add(entry.activeTime);
+ mRxBytes.add(entry.rxBytes);
+ mRxPackets.add(entry.rxPackets);
+ mTxBytes.add(entry.txBytes);
+ mTxPackets.add(entry.txPackets);
+ mOperations.add(entry.operations);
+ return this;
+ }
+
+ private static long sum(@NonNull List<Long> list) {
+ long sum = 0;
+ for (long entry : list) {
+ sum += entry;
+ }
+ return sum;
+ }
+
+ /**
+ * Builds the instance of the {@link NetworkStatsHistory}.
+ *
+ * @return the built instance of {@link NetworkStatsHistory}.
+ */
+ @NonNull
+ public NetworkStatsHistory build() {
+ return new NetworkStatsHistory(mBucketDuration,
+ CollectionUtils.toLongArray(mBucketStart),
+ CollectionUtils.toLongArray(mActiveTime),
+ CollectionUtils.toLongArray(mRxBytes),
+ CollectionUtils.toLongArray(mRxPackets),
+ CollectionUtils.toLongArray(mTxBytes),
+ CollectionUtils.toLongArray(mTxPackets),
+ CollectionUtils.toLongArray(mOperations),
+ mBucketStart.size(),
+ sum(mRxBytes) + sum(mTxBytes));
+ }
+ }
}
diff --git a/framework-t/src/android/net/NetworkTemplate.java b/framework-t/src/android/net/NetworkTemplate.java
index e9084b0..9b58b01 100644
--- a/framework-t/src/android/net/NetworkTemplate.java
+++ b/framework-t/src/android/net/NetworkTemplate.java
@@ -41,13 +41,12 @@
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SystemApi;
+import android.app.usage.NetworkStatsManager;
import android.compat.annotation.UnsupportedAppUsage;
import android.net.wifi.WifiInfo;
import android.os.Build;
import android.os.Parcel;
import android.os.Parcelable;
-import android.telephony.Annotation.NetworkType;
-import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.ArraySet;
@@ -58,9 +57,7 @@
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Arrays;
-import java.util.Collection;
import java.util.Comparator;
-import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
@@ -136,15 +133,6 @@
* {@code TelephonyManager.NETWORK_TYPE_*} constants, and thus needs to stay in sync.
*/
public static final int NETWORK_TYPE_ALL = -1;
- /**
- * Virtual RAT type to represent 5G NSA (Non Stand Alone) mode, where the primary cell is
- * still LTE and network allocates a secondary 5G cell so telephony reports RAT = LTE along
- * with NR state as connected. This should not be overlapped with any of the
- * {@code TelephonyManager.NETWORK_TYPE_*} constants.
- *
- * @hide
- */
- public static final int NETWORK_TYPE_5G_NSA = -2;
/** @hide */
@Retention(RetentionPolicy.SOURCE)
@@ -214,7 +202,7 @@
* @hide
*/
public static NetworkTemplate buildTemplateMobileWithRatType(@Nullable String subscriberId,
- @NetworkType int ratType, int metered) {
+ int ratType, int metered) {
if (TextUtils.isEmpty(subscriberId)) {
return new NetworkTemplate(MATCH_MOBILE_WILDCARD, null /* subscriberId */,
null /* matchSubscriberIds */,
@@ -263,7 +251,7 @@
* Template to match {@link ConnectivityManager#TYPE_WIFI} networks with the
* given key of the wifi network.
*
- * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getCurrentNetworkKey()}
+ * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getNetworkKey()}
* to know details about the key.
* @hide
*/
@@ -283,7 +271,7 @@
* Call with {@link #WIFI_NETWORK_KEY_ALL} for {@code wifiNetworkKey} to get result regardless
* of key of the wifi network.
*
- * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getCurrentNetworkKey()}
+ * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getNetworkKey()}
* to know details about the key.
* @param subscriberId the IMSI associated to this wifi network.
*
@@ -364,7 +352,7 @@
private final int mMetered;
private final int mRoaming;
private final int mDefaultNetwork;
- private final int mSubType;
+ private final int mRatType;
/**
* The subscriber Id match rule defines how the template should match networks with
* specific subscriberId(s). See NetworkTemplate#SUBSCRIBER_ID_MATCH_RULE_* for more detail.
@@ -413,18 +401,18 @@
/** @hide */
// TODO: Remove it after updating all of the caller.
public NetworkTemplate(int matchRule, String subscriberId, String[] matchSubscriberIds,
- String wifiNetworkKey, int metered, int roaming, int defaultNetwork, int subType,
+ String wifiNetworkKey, int metered, int roaming, int defaultNetwork, int ratType,
int oemManaged) {
this(matchRule, subscriberId, matchSubscriberIds,
wifiNetworkKey != null ? new String[] { wifiNetworkKey } : new String[0],
- metered, roaming, defaultNetwork, subType, oemManaged,
+ metered, roaming, defaultNetwork, ratType, oemManaged,
NetworkStatsUtils.SUBSCRIBER_ID_MATCH_RULE_EXACT);
}
/** @hide */
public NetworkTemplate(int matchRule, String subscriberId, String[] matchSubscriberIds,
String[] matchWifiNetworkKeys, int metered, int roaming,
- int defaultNetwork, int subType, int oemManaged, int subscriberIdMatchRule) {
+ int defaultNetwork, int ratType, int oemManaged, int subscriberIdMatchRule) {
Objects.requireNonNull(matchWifiNetworkKeys);
mMatchRule = matchRule;
mSubscriberId = subscriberId;
@@ -435,7 +423,7 @@
mMetered = metered;
mRoaming = roaming;
mDefaultNetwork = defaultNetwork;
- mSubType = subType;
+ mRatType = ratType;
mOemManaged = oemManaged;
mSubscriberIdMatchRule = subscriberIdMatchRule;
checkValidSubscriberIdMatchRule(matchRule, subscriberIdMatchRule);
@@ -453,7 +441,7 @@
mMetered = in.readInt();
mRoaming = in.readInt();
mDefaultNetwork = in.readInt();
- mSubType = in.readInt();
+ mRatType = in.readInt();
mOemManaged = in.readInt();
mSubscriberIdMatchRule = in.readInt();
}
@@ -467,7 +455,7 @@
dest.writeInt(mMetered);
dest.writeInt(mRoaming);
dest.writeInt(mDefaultNetwork);
- dest.writeInt(mSubType);
+ dest.writeInt(mRatType);
dest.writeInt(mOemManaged);
dest.writeInt(mSubscriberIdMatchRule);
}
@@ -500,8 +488,8 @@
builder.append(", defaultNetwork=").append(NetworkStats.defaultNetworkToString(
mDefaultNetwork));
}
- if (mSubType != NETWORK_TYPE_ALL) {
- builder.append(", subType=").append(mSubType);
+ if (mRatType != NETWORK_TYPE_ALL) {
+ builder.append(", ratType=").append(mRatType);
}
if (mOemManaged != OEM_MANAGED_ALL) {
builder.append(", oemManaged=").append(getOemManagedNames(mOemManaged));
@@ -514,7 +502,7 @@
@Override
public int hashCode() {
return Objects.hash(mMatchRule, mSubscriberId, Arrays.hashCode(mMatchWifiNetworkKeys),
- mMetered, mRoaming, mDefaultNetwork, mSubType, mOemManaged, mSubscriberIdMatchRule);
+ mMetered, mRoaming, mDefaultNetwork, mRatType, mOemManaged, mSubscriberIdMatchRule);
}
@Override
@@ -526,7 +514,7 @@
&& mMetered == other.mMetered
&& mRoaming == other.mRoaming
&& mDefaultNetwork == other.mDefaultNetwork
- && mSubType == other.mSubType
+ && mRatType == other.mRatType
&& mOemManaged == other.mOemManaged
&& mSubscriberIdMatchRule == other.mSubscriberIdMatchRule
&& Arrays.equals(mMatchWifiNetworkKeys, other.mMatchWifiNetworkKeys);
@@ -593,7 +581,7 @@
/**
* Get the set of Wifi Network Keys of the template.
- * See {@link WifiInfo#getCurrentNetworkKey()}.
+ * See {@link WifiInfo#getNetworkKey()}.
*/
@NonNull
public Set<String> getWifiNetworkKeys() {
@@ -635,7 +623,7 @@
* Get the Radio Access Technology(RAT) type filter of the template.
*/
public int getRatType() {
- return mSubType;
+ return mRatType;
}
/**
@@ -652,7 +640,9 @@
*
* @hide
*/
- public boolean matches(NetworkIdentity ident) {
+ @SystemApi(client = MODULE_LIBRARIES)
+ public boolean matches(@NonNull NetworkIdentity ident) {
+ Objects.requireNonNull(ident);
if (!matchesMetered(ident)) return false;
if (!matchesRoaming(ident)) return false;
if (!matchesDefaultNetwork(ident)) return false;
@@ -708,8 +698,9 @@
}
private boolean matchesCollapsedRatType(NetworkIdentity ident) {
- return mSubType == NETWORK_TYPE_ALL
- || getCollapsedRatType(mSubType) == getCollapsedRatType(ident.mSubType);
+ return mRatType == NETWORK_TYPE_ALL
+ || NetworkStatsManager.getCollapsedRatType(mRatType)
+ == NetworkStatsManager.getCollapsedRatType(ident.mRatType);
}
/**
@@ -729,7 +720,7 @@
* Returns true when the key matches, or when {@code mMatchWifiNetworkKeys} is
* empty.
*
- * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getCurrentNetworkKey()}
+ * @param wifiNetworkKey key of the wifi network. see {@link WifiInfo#getNetworkKey()}
* to know details about the key.
*/
private boolean matchesWifiNetworkKey(@NonNull String wifiNetworkKey) {
@@ -753,91 +744,13 @@
}
/**
- * Get a Radio Access Technology(RAT) type that is representative of a group of RAT types.
- * The mapping is corresponding to {@code TelephonyManager#NETWORK_CLASS_BIT_MASK_*}.
- *
- * @param ratType An integer defined in {@code TelephonyManager#NETWORK_TYPE_*}.
- *
- * @hide
- */
- // TODO: 1. Consider move this to TelephonyManager if used by other modules.
- // 2. Consider make this configurable.
- // 3. Use TelephonyManager APIs when available.
- // TODO: @SystemApi when ready.
- public static int getCollapsedRatType(int ratType) {
- switch (ratType) {
- case TelephonyManager.NETWORK_TYPE_GPRS:
- case TelephonyManager.NETWORK_TYPE_GSM:
- case TelephonyManager.NETWORK_TYPE_EDGE:
- case TelephonyManager.NETWORK_TYPE_IDEN:
- case TelephonyManager.NETWORK_TYPE_CDMA:
- case TelephonyManager.NETWORK_TYPE_1xRTT:
- return TelephonyManager.NETWORK_TYPE_GSM;
- case TelephonyManager.NETWORK_TYPE_EVDO_0:
- case TelephonyManager.NETWORK_TYPE_EVDO_A:
- case TelephonyManager.NETWORK_TYPE_EVDO_B:
- case TelephonyManager.NETWORK_TYPE_EHRPD:
- case TelephonyManager.NETWORK_TYPE_UMTS:
- case TelephonyManager.NETWORK_TYPE_HSDPA:
- case TelephonyManager.NETWORK_TYPE_HSUPA:
- case TelephonyManager.NETWORK_TYPE_HSPA:
- case TelephonyManager.NETWORK_TYPE_HSPAP:
- case TelephonyManager.NETWORK_TYPE_TD_SCDMA:
- return TelephonyManager.NETWORK_TYPE_UMTS;
- case TelephonyManager.NETWORK_TYPE_LTE:
- case TelephonyManager.NETWORK_TYPE_IWLAN:
- return TelephonyManager.NETWORK_TYPE_LTE;
- case TelephonyManager.NETWORK_TYPE_NR:
- return TelephonyManager.NETWORK_TYPE_NR;
- // Virtual RAT type for 5G NSA mode, see {@link NetworkTemplate#NETWORK_TYPE_5G_NSA}.
- case NetworkTemplate.NETWORK_TYPE_5G_NSA:
- return NetworkTemplate.NETWORK_TYPE_5G_NSA;
- default:
- return TelephonyManager.NETWORK_TYPE_UNKNOWN;
- }
- }
-
- /**
- * Return all supported collapsed RAT types that could be returned by
- * {@link #getCollapsedRatType(int)}.
- *
- * @hide
- */
- // TODO: @SystemApi when ready.
- @NonNull
- public static final int[] getAllCollapsedRatTypes() {
- final int[] ratTypes = TelephonyManager.getAllNetworkTypes();
- final HashSet<Integer> collapsedRatTypes = new HashSet<>();
- for (final int ratType : ratTypes) {
- collapsedRatTypes.add(NetworkTemplate.getCollapsedRatType(ratType));
- }
- // Add NETWORK_TYPE_5G_NSA to the returned list since 5G NSA is a virtual RAT type and
- // it is not in TelephonyManager#NETWORK_TYPE_* constants.
- // See {@link NetworkTemplate#NETWORK_TYPE_5G_NSA}.
- collapsedRatTypes.add(NetworkTemplate.getCollapsedRatType(NETWORK_TYPE_5G_NSA));
- // Ensure that unknown type is returned.
- collapsedRatTypes.add(TelephonyManager.NETWORK_TYPE_UNKNOWN);
- return toIntArray(collapsedRatTypes);
- }
-
- @NonNull
- private static int[] toIntArray(@NonNull Collection<Integer> list) {
- final int[] array = new int[list.size()];
- int i = 0;
- for (final Integer item : list) {
- array[i++] = item;
- }
- return array;
- }
-
- /**
* Check if matches Wi-Fi network template.
*/
private boolean matchesWifi(NetworkIdentity ident) {
switch (ident.mType) {
case TYPE_WIFI:
return matchesSubscriberId(ident.mSubscriberId)
- && matchesWifiNetworkKey(ident.mNetworkId);
+ && matchesWifiNetworkKey(ident.mWifiNetworkKey);
default:
return false;
}
@@ -1059,9 +972,9 @@
* the intention of matching any Wifi Network Key.
*
* @param wifiNetworkKeys the list of Wifi Network Key,
- * see {@link WifiInfo#getCurrentNetworkKey()}.
+ * see {@link WifiInfo#getNetworkKey()}.
* Or an empty list to match all networks.
- * Note that {@code getCurrentNetworkKey()} might get null key
+ * Note that {@code getNetworkKey()} might get null key
* when wifi disconnects. However, the caller should never invoke
* this function with a null Wifi Network Key since such statistics
* never exists.
@@ -1125,7 +1038,7 @@
* @return this builder.
*/
@NonNull
- public Builder setRatType(@NetworkType int ratType) {
+ public Builder setRatType(int ratType) {
// Input will be validated with the match rule when building the template.
mRatType = ratType;
return this;
diff --git a/framework-t/src/android/net/TrafficStats.java b/framework-t/src/android/net/TrafficStats.java
index d8feb88..bc836d8 100644
--- a/framework-t/src/android/net/TrafficStats.java
+++ b/framework-t/src/android/net/TrafficStats.java
@@ -16,6 +16,8 @@
package android.net;
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+
import android.annotation.NonNull;
import android.annotation.SuppressLint;
import android.annotation.SystemApi;
@@ -26,13 +28,11 @@
import android.compat.annotation.UnsupportedAppUsage;
import android.content.Context;
import android.media.MediaPlayer;
+import android.os.Binder;
import android.os.Build;
import android.os.RemoteException;
-import android.os.ServiceManager;
-
-import com.android.server.NetworkManagementSocketTagger;
-
-import dalvik.system.SocketTagger;
+import android.os.StrictMode;
+import android.util.Log;
import java.io.FileDescriptor;
import java.io.IOException;
@@ -53,6 +53,11 @@
* use {@link NetworkStatsManager} instead.
*/
public class TrafficStats {
+ static {
+ System.loadLibrary("framework-connectivity-tiramisu-jni");
+ }
+
+ private static final String TAG = TrafficStats.class.getSimpleName();
/**
* The return value to indicate that the device does not support the statistic.
*/
@@ -173,8 +178,8 @@
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 130143562)
private synchronized static INetworkStatsService getStatsService() {
if (sStatsService == null) {
- sStatsService = INetworkStatsService.Stub.asInterface(
- ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
+ throw new IllegalStateException("TrafficStats not initialized, uid="
+ + Binder.getCallingUid());
}
return sStatsService;
}
@@ -193,6 +198,104 @@
private static final String LOOPBACK_IFACE = "lo";
/**
+ * Initialization {@link TrafficStats} with the context, to
+ * allow {@link TrafficStats} to fetch the needed binder.
+ *
+ * @param context a long-lived context, such as the application context or system
+ * server context.
+ * @hide
+ */
+ @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+ @SuppressLint("VisiblySynchronized")
+ public static synchronized void init(@NonNull final Context context) {
+ if (sStatsService != null) {
+ throw new IllegalStateException("TrafficStats is already initialized, uid="
+ + Binder.getCallingUid());
+ }
+ final NetworkStatsManager statsManager =
+ context.getSystemService(NetworkStatsManager.class);
+ if (statsManager == null) {
+ // TODO: Currently Process.isSupplemental is not working yet, because it depends on
+ // process to run in a certain UID range, which is not true for now. Change this
+ // to Log.wtf once Process.isSupplemental is ready.
+ Log.e(TAG, "TrafficStats not initialized, uid=" + Binder.getCallingUid());
+ return;
+ }
+ sStatsService = statsManager.getBinder();
+ }
+
+ /**
+ * Attach the socket tagger implementation to the current process, to
+ * get notified when a socket's {@link FileDescriptor} is assigned to
+ * a thread. See {@link SocketTagger#set(SocketTagger)}.
+ *
+ * @hide
+ */
+ @SystemApi(client = MODULE_LIBRARIES)
+ public static void attachSocketTagger() {
+ dalvik.system.SocketTagger.set(new SocketTagger());
+ }
+
+ private static class SocketTagger extends dalvik.system.SocketTagger {
+
+ // TODO: set to false
+ private static final boolean LOGD = true;
+
+ SocketTagger() {
+ }
+
+ @Override
+ public void tag(FileDescriptor fd) throws SocketException {
+ final UidTag tagInfo = sThreadUidTag.get();
+ if (LOGD) {
+ Log.d(TAG, "tagSocket(" + fd.getInt$() + ") with statsTag=0x"
+ + Integer.toHexString(tagInfo.tag) + ", statsUid=" + tagInfo.uid);
+ }
+ if (tagInfo.tag == -1) {
+ StrictMode.noteUntaggedSocket();
+ }
+
+ if (tagInfo.tag == -1 && tagInfo.uid == -1) return;
+ final int errno = native_tagSocketFd(fd, tagInfo.tag, tagInfo.uid);
+ if (errno < 0) {
+ Log.i(TAG, "tagSocketFd(" + fd.getInt$() + ", "
+ + tagInfo.tag + ", "
+ + tagInfo.uid + ") failed with errno" + errno);
+ }
+ }
+
+ @Override
+ public void untag(FileDescriptor fd) throws SocketException {
+ if (LOGD) {
+ Log.i(TAG, "untagSocket(" + fd.getInt$() + ")");
+ }
+
+ final UidTag tagInfo = sThreadUidTag.get();
+ if (tagInfo.tag == -1 && tagInfo.uid == -1) return;
+
+ final int errno = native_untagSocketFd(fd);
+ if (errno < 0) {
+ Log.w(TAG, "untagSocket(" + fd.getInt$() + ") failed with errno " + errno);
+ }
+ }
+ }
+
+ private static native int native_tagSocketFd(FileDescriptor fd, int tag, int uid);
+ private static native int native_untagSocketFd(FileDescriptor fd);
+
+ private static class UidTag {
+ public int tag = -1;
+ public int uid = -1;
+ }
+
+ private static ThreadLocal<UidTag> sThreadUidTag = new ThreadLocal<UidTag>() {
+ @Override
+ protected UidTag initialValue() {
+ return new UidTag();
+ }
+ };
+
+ /**
* Set active tag to use when accounting {@link Socket} traffic originating
* from the current thread. Only one active tag per thread is supported.
* <p>
@@ -206,7 +309,7 @@
* @see #clearThreadStatsTag()
*/
public static void setThreadStatsTag(int tag) {
- NetworkManagementSocketTagger.setThreadSocketStatsTag(tag);
+ getAndSetThreadStatsTag(tag);
}
/**
@@ -224,7 +327,9 @@
* restore any existing values after a nested operation is finished
*/
public static int getAndSetThreadStatsTag(int tag) {
- return NetworkManagementSocketTagger.setThreadSocketStatsTag(tag);
+ final int old = sThreadUidTag.get().tag;
+ sThreadUidTag.get().tag = tag;
+ return old;
}
/**
@@ -265,6 +370,18 @@
}
/**
+ * Set active tag to use when accounting {@link Socket} traffic originating
+ * from the current thread. The tag used internally is well-defined to
+ * distinguish all download provider traffic.
+ *
+ * @hide
+ */
+ @SystemApi
+ public static void setThreadStatsTagDownload() {
+ setThreadStatsTag(TAG_SYSTEM_DOWNLOAD);
+ }
+
+ /**
* Get the active tag used when accounting {@link Socket} traffic originating
* from the current thread. Only one active tag per thread is supported.
* {@link #tagSocket(Socket)}.
@@ -272,7 +389,7 @@
* @see #setThreadStatsTag(int)
*/
public static int getThreadStatsTag() {
- return NetworkManagementSocketTagger.getThreadSocketStatsTag();
+ return sThreadUidTag.get().tag;
}
/**
@@ -282,7 +399,7 @@
* @see #setThreadStatsTag(int)
*/
public static void clearThreadStatsTag() {
- NetworkManagementSocketTagger.setThreadSocketStatsTag(-1);
+ sThreadUidTag.get().tag = -1;
}
/**
@@ -302,7 +419,7 @@
*/
@SuppressLint("RequiresPermission")
public static void setThreadStatsUid(int uid) {
- NetworkManagementSocketTagger.setThreadSocketStatsUid(uid);
+ sThreadUidTag.get().uid = uid;
}
/**
@@ -313,7 +430,7 @@
* @see #setThreadStatsUid(int)
*/
public static int getThreadStatsUid() {
- return NetworkManagementSocketTagger.getThreadSocketStatsUid();
+ return sThreadUidTag.get().uid;
}
/**
@@ -340,7 +457,7 @@
*/
@SuppressLint("RequiresPermission")
public static void clearThreadStatsUid() {
- NetworkManagementSocketTagger.setThreadSocketStatsUid(-1);
+ setThreadStatsUid(-1);
}
/**
diff --git a/framework-t/src/android/net/netstats/IUsageCallback.aidl b/framework-t/src/android/net/netstats/IUsageCallback.aidl
new file mode 100644
index 0000000..4e8a5b2
--- /dev/null
+++ b/framework-t/src/android/net/netstats/IUsageCallback.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 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 android.net.netstats;
+
+import android.net.DataUsageRequest;
+
+/**
+ * Interface for NetworkStatsService to notify events to the callers of registerUsageCallback.
+ *
+ * @hide
+ */
+oneway interface IUsageCallback {
+ void onThresholdReached(in DataUsageRequest request);
+ void onCallbackReleased(in DataUsageRequest request);
+}
diff --git a/framework-t/src/android/net/nsd/NsdManager.java b/framework-t/src/android/net/nsd/NsdManager.java
index 0f21e55..512fbce 100644
--- a/framework-t/src/android/net/nsd/NsdManager.java
+++ b/framework-t/src/android/net/nsd/NsdManager.java
@@ -16,6 +16,9 @@
package android.net.nsd;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.annotation.SystemService;
@@ -23,15 +26,22 @@
import android.compat.annotation.ChangeId;
import android.compat.annotation.EnabledSince;
import android.content.Context;
+import android.net.ConnectivityManager;
+import android.net.ConnectivityManager.NetworkCallback;
+import android.net.Network;
+import android.net.NetworkRequest;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.os.RemoteException;
import android.text.TextUtils;
+import android.util.ArrayMap;
+import android.util.ArraySet;
import android.util.Log;
import android.util.SparseArray;
+import com.android.internal.annotations.GuardedBy;
import com.android.internal.annotations.VisibleForTesting;
import java.util.Objects;
@@ -278,9 +288,180 @@
private final SparseArray mListenerMap = new SparseArray();
private final SparseArray<NsdServiceInfo> mServiceMap = new SparseArray<>();
private final Object mMapLock = new Object();
+ // Map of listener key sent by client -> per-network discovery tracker
+ @GuardedBy("mPerNetworkDiscoveryMap")
+ private final ArrayMap<Integer, PerNetworkDiscoveryTracker>
+ mPerNetworkDiscoveryMap = new ArrayMap<>();
private final ServiceHandler mHandler;
+ private class PerNetworkDiscoveryTracker {
+ final String mServiceType;
+ final int mProtocolType;
+ final DiscoveryListener mBaseListener;
+ final ArrayMap<Network, DelegatingDiscoveryListener> mPerNetworkListeners =
+ new ArrayMap<>();
+
+ final NetworkCallback mNetworkCb = new NetworkCallback() {
+ @Override
+ public void onAvailable(@NonNull Network network) {
+ final DelegatingDiscoveryListener wrappedListener = new DelegatingDiscoveryListener(
+ network, mBaseListener);
+ mPerNetworkListeners.put(network, wrappedListener);
+ discoverServices(mServiceType, mProtocolType, network, wrappedListener);
+ }
+
+ @Override
+ public void onLost(@NonNull Network network) {
+ final DelegatingDiscoveryListener listener = mPerNetworkListeners.get(network);
+ if (listener == null) return;
+ listener.notifyAllServicesLost();
+ // Listener will be removed from map in discovery stopped callback
+ stopServiceDiscovery(listener);
+ }
+ };
+
+ // Accessed from mHandler
+ private boolean mStopRequested;
+
+ public void start(@NonNull NetworkRequest request) {
+ final ConnectivityManager cm = mContext.getSystemService(ConnectivityManager.class);
+ cm.registerNetworkCallback(request, mNetworkCb, mHandler);
+ mHandler.post(() -> mBaseListener.onDiscoveryStarted(mServiceType));
+ }
+
+ /**
+ * Stop discovery on all networks tracked by this class.
+ *
+ * This will request all underlying listeners to stop, and the last one to stop will call
+ * onDiscoveryStopped or onStopDiscoveryFailed.
+ *
+ * Must be called on the handler thread.
+ */
+ public void requestStop() {
+ mHandler.post(() -> {
+ mStopRequested = true;
+ final ConnectivityManager cm = mContext.getSystemService(ConnectivityManager.class);
+ cm.unregisterNetworkCallback(mNetworkCb);
+ if (mPerNetworkListeners.size() == 0) {
+ mBaseListener.onDiscoveryStopped(mServiceType);
+ return;
+ }
+ for (int i = 0; i < mPerNetworkListeners.size(); i++) {
+ final DelegatingDiscoveryListener listener = mPerNetworkListeners.valueAt(i);
+ stopServiceDiscovery(listener);
+ }
+ });
+ }
+
+ private PerNetworkDiscoveryTracker(String serviceType, int protocolType,
+ DiscoveryListener baseListener) {
+ mServiceType = serviceType;
+ mProtocolType = protocolType;
+ mBaseListener = baseListener;
+ }
+
+ /**
+ * Subset of NsdServiceInfo that is tracked to generate service lost notifications when a
+ * network is lost.
+ *
+ * Service lost notifications only contain service name, type and network, so only track
+ * that information (Network is known from the listener). This also implements
+ * equals/hashCode for usage in maps.
+ */
+ private class TrackedNsdInfo {
+ private final String mServiceName;
+ private final String mServiceType;
+ TrackedNsdInfo(NsdServiceInfo info) {
+ mServiceName = info.getServiceName();
+ mServiceType = info.getServiceType();
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(mServiceName, mServiceType);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (!(obj instanceof TrackedNsdInfo)) return false;
+ final TrackedNsdInfo other = (TrackedNsdInfo) obj;
+ return Objects.equals(mServiceName, other.mServiceName)
+ && Objects.equals(mServiceType, other.mServiceType);
+ }
+ }
+
+ private class DelegatingDiscoveryListener implements DiscoveryListener {
+ private final Network mNetwork;
+ private final DiscoveryListener mWrapped;
+ private final ArraySet<TrackedNsdInfo> mFoundInfo = new ArraySet<>();
+
+ private DelegatingDiscoveryListener(Network network, DiscoveryListener listener) {
+ mNetwork = network;
+ mWrapped = listener;
+ }
+
+ void notifyAllServicesLost() {
+ for (int i = 0; i < mFoundInfo.size(); i++) {
+ final TrackedNsdInfo trackedInfo = mFoundInfo.valueAt(i);
+ final NsdServiceInfo serviceInfo = new NsdServiceInfo(
+ trackedInfo.mServiceName, trackedInfo.mServiceType);
+ serviceInfo.setNetwork(mNetwork);
+ mWrapped.onServiceLost(serviceInfo);
+ }
+ }
+
+ @Override
+ public void onStartDiscoveryFailed(String serviceType, int errorCode) {
+ // The delegated listener is used when NsdManager takes care of starting/stopping
+ // discovery on multiple networks. Failure to start on one network is not a global
+ // failure to be reported up, as other networks may succeed: just log.
+ Log.e(TAG, "Failed to start discovery for " + serviceType + " on " + mNetwork
+ + " with code " + errorCode);
+ mPerNetworkListeners.remove(mNetwork);
+ }
+
+ @Override
+ public void onDiscoveryStarted(String serviceType) {
+ // Wrapped listener was called upon registration, it is not called for discovery
+ // on each network
+ }
+
+ @Override
+ public void onStopDiscoveryFailed(String serviceType, int errorCode) {
+ Log.e(TAG, "Failed to stop discovery for " + serviceType + " on " + mNetwork
+ + " with code " + errorCode);
+ mPerNetworkListeners.remove(mNetwork);
+ if (mStopRequested && mPerNetworkListeners.size() == 0) {
+ // Do not report onStopDiscoveryFailed when some underlying listeners failed:
+ // this does not mean that all listeners did, and onStopDiscoveryFailed is not
+ // actionable anyway. Just report that discovery stopped.
+ mWrapped.onDiscoveryStopped(serviceType);
+ }
+ }
+
+ @Override
+ public void onDiscoveryStopped(String serviceType) {
+ mPerNetworkListeners.remove(mNetwork);
+ if (mStopRequested && mPerNetworkListeners.size() == 0) {
+ mWrapped.onDiscoveryStopped(serviceType);
+ }
+ }
+
+ @Override
+ public void onServiceFound(NsdServiceInfo serviceInfo) {
+ mFoundInfo.add(new TrackedNsdInfo(serviceInfo));
+ mWrapped.onServiceFound(serviceInfo);
+ }
+
+ @Override
+ public void onServiceLost(NsdServiceInfo serviceInfo) {
+ mFoundInfo.remove(new TrackedNsdInfo(serviceInfo));
+ mWrapped.onServiceLost(serviceInfo);
+ }
+ }
+ }
+
/**
* Create a new Nsd instance. Applications use
* {@link android.content.Context#getSystemService Context.getSystemService()} to retrieve
@@ -634,6 +815,14 @@
}
/**
+ * Same as {@link #discoverServices(String, int, Network, DiscoveryListener)} with a null
+ * {@link Network}.
+ */
+ public void discoverServices(String serviceType, int protocolType, DiscoveryListener listener) {
+ discoverServices(serviceType, protocolType, (Network) null, listener);
+ }
+
+ /**
* Initiate service discovery to browse for instances of a service type. Service discovery
* consumes network bandwidth and will continue until the application calls
* {@link #stopServiceDiscovery}.
@@ -657,11 +846,13 @@
* @param serviceType The service type being discovered. Examples include "_http._tcp" for
* http services or "_ipp._tcp" for printers
* @param protocolType The service discovery protocol
+ * @param network Network to discover services on, or null to discover on all available networks
* @param listener The listener notifies of a successful discovery and is used
* to stop discovery on this serviceType through a call on {@link #stopServiceDiscovery}.
* Cannot be null. Cannot be in use for an active service discovery.
*/
- public void discoverServices(String serviceType, int protocolType, DiscoveryListener listener) {
+ public void discoverServices(@NonNull String serviceType, int protocolType,
+ @Nullable Network network, @NonNull DiscoveryListener listener) {
if (TextUtils.isEmpty(serviceType)) {
throw new IllegalArgumentException("Service type cannot be empty");
}
@@ -669,6 +860,7 @@
NsdServiceInfo s = new NsdServiceInfo();
s.setServiceType(serviceType);
+ s.setNetwork(network);
int key = putListener(listener, s);
try {
@@ -679,6 +871,67 @@
}
/**
+ * Initiate service discovery to browse for instances of a service type. Service discovery
+ * consumes network bandwidth and will continue until the application calls
+ * {@link #stopServiceDiscovery}.
+ *
+ * <p> The function call immediately returns after sending a request to start service
+ * discovery to the framework. The application is notified of a success to initiate
+ * discovery through the callback {@link DiscoveryListener#onDiscoveryStarted} or a failure
+ * through {@link DiscoveryListener#onStartDiscoveryFailed}.
+ *
+ * <p> Upon successful start, application is notified when a service is found with
+ * {@link DiscoveryListener#onServiceFound} or when a service is lost with
+ * {@link DiscoveryListener#onServiceLost}.
+ *
+ * <p> Upon failure to start, service discovery is not active and application does
+ * not need to invoke {@link #stopServiceDiscovery}
+ *
+ * <p> The application should call {@link #stopServiceDiscovery} when discovery of this
+ * service type is no longer required, and/or whenever the application is paused or
+ * stopped.
+ *
+ * <p> During discovery, new networks may connect or existing networks may disconnect - for
+ * example if wifi is reconnected. When a service was found on a network that disconnects,
+ * {@link DiscoveryListener#onServiceLost} will be called. If a new network connects that
+ * matches the {@link NetworkRequest}, {@link DiscoveryListener#onServiceFound} will be called
+ * for services found on that network. Applications that do not want to track networks
+ * themselves are encouraged to use this method instead of other overloads of
+ * {@code discoverServices}, as they will receive proper notifications when a service becomes
+ * available or unavailable due to network changes.
+ *
+ * @param serviceType The service type being discovered. Examples include "_http._tcp" for
+ * http services or "_ipp._tcp" for printers
+ * @param protocolType The service discovery protocol
+ * @param networkRequest Request specifying networks that should be considered when discovering
+ * @param listener The listener notifies of a successful discovery and is used
+ * to stop discovery on this serviceType through a call on {@link #stopServiceDiscovery}.
+ * Cannot be null. Cannot be in use for an active service discovery.
+ */
+ @RequiresPermission(android.Manifest.permission.ACCESS_NETWORK_STATE)
+ public void discoverServices(@NonNull String serviceType, int protocolType,
+ @NonNull NetworkRequest networkRequest, @NonNull DiscoveryListener listener) {
+ if (TextUtils.isEmpty(serviceType)) {
+ throw new IllegalArgumentException("Service type cannot be empty");
+ }
+ Objects.requireNonNull(networkRequest, "NetworkRequest cannot be null");
+ checkProtocol(protocolType);
+
+ NsdServiceInfo s = new NsdServiceInfo();
+ s.setServiceType(serviceType);
+
+ final int baseListenerKey = putListener(listener, s);
+
+ final PerNetworkDiscoveryTracker discoveryInfo = new PerNetworkDiscoveryTracker(
+ serviceType, protocolType, listener);
+
+ synchronized (mPerNetworkDiscoveryMap) {
+ mPerNetworkDiscoveryMap.put(baseListenerKey, discoveryInfo);
+ discoveryInfo.start(networkRequest);
+ }
+ }
+
+ /**
* Stop service discovery initiated with {@link #discoverServices}. An active service
* discovery is notified to the application with {@link DiscoveryListener#onDiscoveryStarted}
* and it stays active until the application invokes a stop service discovery. A successful
@@ -696,6 +949,14 @@
*/
public void stopServiceDiscovery(DiscoveryListener listener) {
int id = getListenerKey(listener);
+ // If this is a PerNetworkDiscovery request, handle it as such
+ synchronized (mPerNetworkDiscoveryMap) {
+ final PerNetworkDiscoveryTracker info = mPerNetworkDiscoveryMap.get(id);
+ if (info != null) {
+ info.requestStop();
+ return;
+ }
+ }
try {
mService.stopDiscovery(id);
} catch (RemoteException e) {
diff --git a/framework-t/src/android/net/nsd/NsdServiceInfo.java b/framework-t/src/android/net/nsd/NsdServiceInfo.java
index 0946499..8506db1 100644
--- a/framework-t/src/android/net/nsd/NsdServiceInfo.java
+++ b/framework-t/src/android/net/nsd/NsdServiceInfo.java
@@ -17,7 +17,9 @@
package android.net.nsd;
import android.annotation.NonNull;
+import android.annotation.Nullable;
import android.compat.annotation.UnsupportedAppUsage;
+import android.net.Network;
import android.os.Parcel;
import android.os.Parcelable;
import android.text.TextUtils;
@@ -49,6 +51,9 @@
private int mPort;
+ @Nullable
+ private Network mNetwork;
+
public NsdServiceInfo() {
}
@@ -307,18 +312,37 @@
return txtRecord;
}
- public String toString() {
- StringBuffer sb = new StringBuffer();
+ /**
+ * Get the network where the service can be found.
+ *
+ * This is never null if this {@link NsdServiceInfo} was obtained from
+ * {@link NsdManager#discoverServices} or {@link NsdManager#resolveService}.
+ */
+ @Nullable
+ public Network getNetwork() {
+ return mNetwork;
+ }
+ /**
+ * Set the network where the service can be found.
+ * @param network The network, or null to search for, or to announce, the service on all
+ * connected networks.
+ */
+ public void setNetwork(@Nullable Network network) {
+ mNetwork = network;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
sb.append("name: ").append(mServiceName)
.append(", type: ").append(mServiceType)
.append(", host: ").append(mHost)
- .append(", port: ").append(mPort);
+ .append(", port: ").append(mPort)
+ .append(", network: ").append(mNetwork);
byte[] txtRecord = getTxtRecord();
- if (txtRecord != null) {
- sb.append(", txtRecord: ").append(new String(txtRecord, StandardCharsets.UTF_8));
- }
+ sb.append(", txtRecord: ").append(new String(txtRecord, StandardCharsets.UTF_8));
return sb.toString();
}
@@ -352,6 +376,8 @@
}
dest.writeString(key);
}
+
+ dest.writeParcelable(mNetwork, 0);
}
/** Implement the Parcelable interface */
@@ -381,6 +407,7 @@
}
info.mTxtRecord.put(in.readString(), valueArray);
}
+ info.mNetwork = in.readParcelable(null, Network.class);
return info;
}
diff --git a/service-t/Sources.bp b/service-t/Sources.bp
index 97dfb64..c3049da 100644
--- a/service-t/Sources.bp
+++ b/service-t/Sources.bp
@@ -26,6 +26,13 @@
srcs: [
"src/com/android/server/net/NetworkIdentity*.java",
"src/com/android/server/net/NetworkStats*.java",
+ "src/com/android/server/net/BpfInterfaceMapUpdater.java",
+ "src/com/android/server/net/InterfaceMapValue.java",
+ "src/com/android/server/net/CookieTagMapKey.java",
+ "src/com/android/server/net/CookieTagMapValue.java",
+ "src/com/android/server/net/StatsMapKey.java",
+ "src/com/android/server/net/StatsMapValue.java",
+ "src/com/android/server/net/UidStatsMapKey.java",
],
path: "src",
visibility: [
@@ -66,6 +73,7 @@
filegroup {
name: "services.connectivity-ethernet-sources",
srcs: [
+ "src/com/android/server/net/DelayedDiskWrite.java",
"src/com/android/server/net/IpConfigStore.java",
],
path: "src",
@@ -80,10 +88,45 @@
name: "services.connectivity-tiramisu-sources",
srcs: [
":services.connectivity-ethernet-sources",
- ":services.connectivity-ipsec-sources",
":services.connectivity-netstats-sources",
- ":services.connectivity-nsd-sources",
],
path: "src",
visibility: ["//frameworks/base/services/core"],
}
+
+filegroup {
+ name: "services.connectivity-tiramisu-updatable-sources",
+ srcs: [
+ ":services.connectivity-ipsec-sources",
+ ":services.connectivity-nsd-sources",
+ ],
+ path: "src",
+ visibility: [
+ "//packages/modules/Connectivity:__subpackages__",
+ ],
+}
+
+cc_library_shared {
+ name: "libcom_android_net_module_util_jni",
+ min_sdk_version: "30",
+ cflags: [
+ "-Wall",
+ "-Werror",
+ "-Wno-unused-parameter",
+ "-Wthread-safety",
+ ],
+ srcs: [
+ "jni/onload.cpp",
+ ],
+ stl: "libc++_static",
+ static_libs: [
+ "libnet_utils_device_common_bpfjni",
+ ],
+ shared_libs: [
+ "liblog",
+ "libnativehelper",
+ ],
+ apex_available: [
+ "//apex_available:platform",
+ ],
+}
diff --git a/service-t/jni/onload.cpp b/service-t/jni/onload.cpp
new file mode 100644
index 0000000..bca4697
--- /dev/null
+++ b/service-t/jni/onload.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#include <nativehelper/JNIHelp.h>
+#include <log/log.h>
+
+namespace android {
+
+int register_com_android_net_module_util_BpfMap(JNIEnv* env, char const* class_name);
+
+extern "C" jint JNI_OnLoad(JavaVM* vm, void*) {
+ JNIEnv *env;
+ if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
+ ALOGE("GetEnv failed");
+ return JNI_ERR;
+ }
+
+ if (register_com_android_net_module_util_BpfMap(env,
+ "com/android/net/module/util/BpfMap") < 0) return JNI_ERR;
+
+ return JNI_VERSION_1_6;
+}
+
+};
+
diff --git a/service-t/src/com/android/server/IpSecService.java b/service-t/src/com/android/server/IpSecService.java
index 179d945..4bc40ea 100644
--- a/service-t/src/com/android/server/IpSecService.java
+++ b/service-t/src/com/android/server/IpSecService.java
@@ -1008,16 +1008,10 @@
*
* @param context Binder context for this service
*/
- private IpSecService(Context context) {
+ public IpSecService(Context context) {
this(context, new Dependencies());
}
- static IpSecService create(Context context)
- throws InterruptedException {
- final IpSecService service = new IpSecService(context);
- return service;
- }
-
@NonNull
private AppOpsManager getAppOpsManager() {
AppOpsManager appOps = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
@@ -1054,26 +1048,6 @@
}
}
- /** Called by system server when system is ready. */
- public void systemReady() {
- if (isNetdAlive()) {
- Log.d(TAG, "IpSecService is ready");
- } else {
- Log.wtf(TAG, "IpSecService not ready: failed to connect to NetD Native Service!");
- }
- }
-
- synchronized boolean isNetdAlive() {
- try {
- if (mNetd == null) {
- return false;
- }
- return mNetd.isAlive();
- } catch (RemoteException re) {
- return false;
- }
- }
-
/**
* Checks that the provided InetAddress is valid for use in an IPsec SA. The address must not be
* a wildcard address and must be in a numeric form such as 1.2.3.4 or 2001::1.
@@ -1896,7 +1870,6 @@
mContext.enforceCallingOrSelfPermission(DUMP, TAG);
pw.println("IpSecService dump:");
- pw.println("NetdNativeService Connection: " + (isNetdAlive() ? "alive" : "dead"));
pw.println();
pw.println("mUserResourceTracker:");
diff --git a/service-t/src/com/android/server/NsdService.java b/service-t/src/com/android/server/NsdService.java
index 497107d..ddf6d2c 100644
--- a/service-t/src/com/android/server/NsdService.java
+++ b/service-t/src/com/android/server/NsdService.java
@@ -19,6 +19,9 @@
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
+import android.net.ConnectivityManager;
+import android.net.LinkProperties;
+import android.net.Network;
import android.net.nsd.INsdManager;
import android.net.nsd.INsdManagerCallback;
import android.net.nsd.INsdServiceConnector;
@@ -44,6 +47,9 @@
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.concurrent.CountDownLatch;
@@ -60,6 +66,7 @@
private static final boolean DBG = true;
private static final long CLEANUP_DELAY_MS = 10000;
+ private static final int IFACE_IDX_ANY = 0;
private final Context mContext;
private final NsdStateMachine mNsdStateMachine;
@@ -297,7 +304,7 @@
maybeStartDaemon();
id = getUniqueId();
- if (discoverServices(id, args.serviceInfo.getServiceType())) {
+ if (discoverServices(id, args.serviceInfo)) {
if (DBG) {
Log.d(TAG, "Discover " + msg.arg2 + " " + id
+ args.serviceInfo.getServiceType());
@@ -430,13 +437,38 @@
}
switch (code) {
case NativeResponseCode.SERVICE_FOUND:
- /* NNN uniqueId serviceName regType domain */
+ /* NNN uniqueId serviceName regType domain interfaceIdx netId */
servInfo = new NsdServiceInfo(cooked[2], cooked[3]);
+ final int foundNetId;
+ try {
+ foundNetId = Integer.parseInt(cooked[6]);
+ } catch (NumberFormatException e) {
+ Log.wtf(TAG, "Invalid network received from mdnsd: " + cooked[6]);
+ break;
+ }
+ if (foundNetId == 0L) {
+ // Ignore services that do not have a Network: they are not usable
+ // by apps, as they would need privileged permissions to use
+ // interfaces that do not have an associated Network.
+ break;
+ }
+ servInfo.setNetwork(new Network(foundNetId));
clientInfo.onServiceFound(clientId, servInfo);
break;
case NativeResponseCode.SERVICE_LOST:
- /* NNN uniqueId serviceName regType domain */
+ /* NNN uniqueId serviceName regType domain interfaceIdx netId */
+ final int lostNetId;
+ try {
+ lostNetId = Integer.parseInt(cooked[6]);
+ } catch (NumberFormatException e) {
+ Log.wtf(TAG, "Invalid network received from mdnsd: " + cooked[6]);
+ break;
+ }
servInfo = new NsdServiceInfo(cooked[2], cooked[3]);
+ // The network could be null if it was torn down when the service is lost
+ // TODO: avoid returning null in that case, possibly by remembering found
+ // services on the same interface index and their network at the time
+ servInfo.setNetwork(lostNetId == 0 ? null : new Network(lostNetId));
clientInfo.onServiceLost(clientId, servInfo);
break;
case NativeResponseCode.SERVICE_DISCOVERY_FAILED:
@@ -461,7 +493,7 @@
/* NNN regId errorCode */
break;
case NativeResponseCode.SERVICE_RESOLVED:
- /* NNN resolveId fullName hostName port txtlen txtdata */
+ /* NNN resolveId fullName hostName port txtlen txtdata interfaceIdx */
int index = 0;
while (index < cooked[2].length() && cooked[2].charAt(index) != '.') {
if (cooked[2].charAt(index) == '\\') {
@@ -473,6 +505,7 @@
Log.e(TAG, "Invalid service found " + raw);
break;
}
+
String name = cooked[2].substring(0, index);
String rest = cooked[2].substring(index);
String type = rest.replace(".local.", "");
@@ -483,12 +516,13 @@
clientInfo.mResolvedService.setServiceType(type);
clientInfo.mResolvedService.setPort(Integer.parseInt(cooked[4]));
clientInfo.mResolvedService.setTxtRecords(cooked[6]);
+ // Network will be added after SERVICE_GET_ADDR_SUCCESS
stopResolveService(id);
removeRequestMap(clientId, id, clientInfo);
int id2 = getUniqueId();
- if (getAddrInfo(id2, cooked[3])) {
+ if (getAddrInfo(id2, cooked[3], cooked[7] /* interfaceIdx */)) {
storeRequestMap(clientId, id2, clientInfo, NsdManager.RESOLVE_SERVICE);
} else {
clientInfo.onResolveServiceFailed(
@@ -513,12 +547,31 @@
clientId, NsdManager.FAILURE_INTERNAL_ERROR);
break;
case NativeResponseCode.SERVICE_GET_ADDR_SUCCESS:
- /* NNN resolveId hostname ttl addr */
+ /* NNN resolveId hostname ttl addr interfaceIdx netId */
+ Network network = null;
try {
- clientInfo.mResolvedService.setHost(InetAddress.getByName(cooked[4]));
+ final int netId = Integer.parseInt(cooked[6]);
+ network = netId == 0L ? null : new Network(netId);
+ } catch (NumberFormatException e) {
+ Log.wtf(TAG, "Invalid network in GET_ADDR_SUCCESS: " + cooked[6], e);
+ }
+
+ InetAddress serviceHost = null;
+ try {
+ serviceHost = InetAddress.getByName(cooked[4]);
+ } catch (UnknownHostException e) {
+ Log.wtf(TAG, "Invalid host in GET_ADDR_SUCCESS", e);
+ }
+
+ // If the resolved service is on an interface without a network, consider it
+ // as a failure: it would not be usable by apps as they would need
+ // privileged permissions.
+ if (network != null && serviceHost != null) {
+ clientInfo.mResolvedService.setHost(serviceHost);
+ clientInfo.mResolvedService.setNetwork(network);
clientInfo.onResolveServiceSucceeded(
clientId, clientInfo.mResolvedService);
- } catch (java.net.UnknownHostException e) {
+ } else {
clientInfo.onResolveServiceFailed(
clientId, NsdManager.FAILURE_INTERNAL_ERROR);
}
@@ -815,8 +868,15 @@
return mDaemon.execute("update", regId, t.size(), t.getRawData());
}
- private boolean discoverServices(int discoveryId, String serviceType) {
- return mDaemon.execute("discover", discoveryId, serviceType);
+ private boolean discoverServices(int discoveryId, NsdServiceInfo serviceInfo) {
+ final Network network = serviceInfo.getNetwork();
+ final int discoverInterface = getNetworkInterfaceIndex(network);
+ if (network != null && discoverInterface == IFACE_IDX_ANY) {
+ Log.e(TAG, "Interface to discover service on not found");
+ return false;
+ }
+ return mDaemon.execute("discover", discoveryId, serviceInfo.getServiceType(),
+ discoverInterface);
}
private boolean stopServiceDiscovery(int discoveryId) {
@@ -824,17 +884,61 @@
}
private boolean resolveService(int resolveId, NsdServiceInfo service) {
- String name = service.getServiceName();
- String type = service.getServiceType();
- return mDaemon.execute("resolve", resolveId, name, type, "local.");
+ final String name = service.getServiceName();
+ final String type = service.getServiceType();
+ final Network network = service.getNetwork();
+ final int resolveInterface = getNetworkInterfaceIndex(network);
+ if (network != null && resolveInterface == IFACE_IDX_ANY) {
+ Log.e(TAG, "Interface to resolve service on not found");
+ return false;
+ }
+ return mDaemon.execute("resolve", resolveId, name, type, "local.", resolveInterface);
+ }
+
+ /**
+ * Guess the interface to use to resolve or discover a service on a specific network.
+ *
+ * This is an imperfect guess, as for example the network may be gone or not yet fully
+ * registered. This is fine as failing is correct if the network is gone, and a client
+ * attempting to resolve/discover on a network not yet setup would have a bad time anyway; also
+ * this is to support the legacy mdnsresponder implementation, which historically resolved
+ * services on an unspecified network.
+ */
+ private int getNetworkInterfaceIndex(Network network) {
+ if (network == null) return IFACE_IDX_ANY;
+
+ final ConnectivityManager cm = mContext.getSystemService(ConnectivityManager.class);
+ if (cm == null) {
+ Log.wtf(TAG, "No ConnectivityManager for resolveService");
+ return IFACE_IDX_ANY;
+ }
+ final LinkProperties lp = cm.getLinkProperties(network);
+ if (lp == null) return IFACE_IDX_ANY;
+
+ // Only resolve on non-stacked interfaces
+ final NetworkInterface iface;
+ try {
+ iface = NetworkInterface.getByName(lp.getInterfaceName());
+ } catch (SocketException e) {
+ Log.e(TAG, "Error querying interface", e);
+ return IFACE_IDX_ANY;
+ }
+
+ if (iface == null) {
+ Log.e(TAG, "Interface not found: " + lp.getInterfaceName());
+ return IFACE_IDX_ANY;
+ }
+
+ return iface.getIndex();
}
private boolean stopResolveService(int resolveId) {
return mDaemon.execute("stop-resolve", resolveId);
}
- private boolean getAddrInfo(int resolveId, String hostname) {
- return mDaemon.execute("getaddrinfo", resolveId, hostname);
+ private boolean getAddrInfo(int resolveId, String hostname, String interfaceIdx) {
+ // interfaceIdx is always obtained (as string) from the service resolved callback
+ return mDaemon.execute("getaddrinfo", resolveId, hostname, interfaceIdx);
}
private boolean stopGetAddrInfo(int resolveId) {
diff --git a/service-t/src/com/android/server/net/BpfInterfaceMapUpdater.java b/service-t/src/com/android/server/net/BpfInterfaceMapUpdater.java
new file mode 100644
index 0000000..25c88eb
--- /dev/null
+++ b/service-t/src/com/android/server/net/BpfInterfaceMapUpdater.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2022 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.net;
+
+import android.content.Context;
+import android.net.INetd;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.os.ServiceSpecificException;
+import android.system.ErrnoException;
+import android.util.Log;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.net.module.util.BaseNetdUnsolicitedEventListener;
+import com.android.net.module.util.BpfMap;
+import com.android.net.module.util.IBpfMap;
+import com.android.net.module.util.InterfaceParams;
+import com.android.net.module.util.Struct.U32;
+
+/**
+ * Monitor interface added (without removed) and right interface name and its index to bpf map.
+ */
+public class BpfInterfaceMapUpdater {
+ private static final String TAG = BpfInterfaceMapUpdater.class.getSimpleName();
+ // This is current path but may be changed soon.
+ private static final String IFACE_INDEX_NAME_MAP_PATH =
+ "/sys/fs/bpf/map_netd_iface_index_name_map";
+ private final IBpfMap<U32, InterfaceMapValue> mBpfMap;
+ private final INetd mNetd;
+ private final Handler mHandler;
+ private final Dependencies mDeps;
+
+ public BpfInterfaceMapUpdater(Context ctx, Handler handler) {
+ this(ctx, handler, new Dependencies());
+ }
+
+ @VisibleForTesting
+ public BpfInterfaceMapUpdater(Context ctx, Handler handler, Dependencies deps) {
+ mDeps = deps;
+ mBpfMap = deps.getInterfaceMap();
+ mNetd = deps.getINetd(ctx);
+ mHandler = handler;
+ }
+
+ /**
+ * Dependencies of BpfInerfaceMapUpdater, for injection in tests.
+ */
+ @VisibleForTesting
+ public static class Dependencies {
+ /** Create BpfMap for updating interface and index mapping. */
+ public IBpfMap<U32, InterfaceMapValue> getInterfaceMap() {
+ try {
+ return new BpfMap<>(IFACE_INDEX_NAME_MAP_PATH, BpfMap.BPF_F_RDWR,
+ U32.class, InterfaceMapValue.class);
+ } catch (ErrnoException e) {
+ Log.e(TAG, "Cannot create interface map: " + e);
+ return null;
+ }
+ }
+
+ /** Get InterfaceParams for giving interface name. */
+ public InterfaceParams getInterfaceParams(String ifaceName) {
+ return InterfaceParams.getByName(ifaceName);
+ }
+
+ /** Get INetd binder object. */
+ public INetd getINetd(Context ctx) {
+ return INetd.Stub.asInterface((IBinder) ctx.getSystemService(Context.NETD_SERVICE));
+ }
+ }
+
+ /**
+ * Start listening interface update event.
+ * Query current interface names before listening.
+ */
+ public void start() {
+ mHandler.post(() -> {
+ if (mBpfMap == null) {
+ Log.wtf(TAG, "Fail to start: Null bpf map");
+ return;
+ }
+
+ try {
+ // TODO: use a NetlinkMonitor and listen for RTM_NEWLINK messages instead.
+ mNetd.registerUnsolicitedEventListener(new InterfaceChangeObserver());
+ } catch (RemoteException e) {
+ Log.wtf(TAG, "Unable to register netd UnsolicitedEventListener, " + e);
+ }
+
+ final String[] ifaces;
+ try {
+ // TODO: use a netlink dump to get the current interface list.
+ ifaces = mNetd.interfaceGetList();
+ } catch (RemoteException | ServiceSpecificException e) {
+ Log.wtf(TAG, "Unable to query interface names by netd, " + e);
+ return;
+ }
+
+ for (String ifaceName : ifaces) {
+ addInterface(ifaceName);
+ }
+ });
+ }
+
+ private void addInterface(String ifaceName) {
+ final InterfaceParams iface = mDeps.getInterfaceParams(ifaceName);
+ if (iface == null) {
+ Log.e(TAG, "Unable to get InterfaceParams for " + ifaceName);
+ return;
+ }
+
+ try {
+ mBpfMap.updateEntry(new U32(iface.index), new InterfaceMapValue(ifaceName));
+ } catch (ErrnoException e) {
+ Log.e(TAG, "Unable to update entry for " + ifaceName + ", " + e);
+ }
+ }
+
+ private class InterfaceChangeObserver extends BaseNetdUnsolicitedEventListener {
+ @Override
+ public void onInterfaceAdded(String ifName) {
+ mHandler.post(() -> addInterface(ifName));
+ }
+ }
+}
diff --git a/service-t/src/com/android/server/net/CookieTagMapKey.java b/service-t/src/com/android/server/net/CookieTagMapKey.java
new file mode 100644
index 0000000..443e5b3
--- /dev/null
+++ b/service-t/src/com/android/server/net/CookieTagMapKey.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2022 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.net;
+
+import com.android.net.module.util.Struct;
+import com.android.net.module.util.Struct.Field;
+import com.android.net.module.util.Struct.Type;
+
+/**
+ * Key for cookie tag map.
+ */
+public class CookieTagMapKey extends Struct {
+ @Field(order = 0, type = Type.S64)
+ public final long socketCookie;
+
+ public CookieTagMapKey(final long socketCookie) {
+ this.socketCookie = socketCookie;
+ }
+}
diff --git a/service-t/src/com/android/server/net/CookieTagMapValue.java b/service-t/src/com/android/server/net/CookieTagMapValue.java
new file mode 100644
index 0000000..93b9195
--- /dev/null
+++ b/service-t/src/com/android/server/net/CookieTagMapValue.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2022 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.net;
+
+import com.android.net.module.util.Struct;
+import com.android.net.module.util.Struct.Field;
+import com.android.net.module.util.Struct.Type;
+
+/**
+ * Value for cookie tag map.
+ */
+public class CookieTagMapValue extends Struct {
+ @Field(order = 0, type = Type.U32)
+ public final long uid;
+
+ @Field(order = 1, type = Type.U32)
+ public final long tag;
+
+ public CookieTagMapValue(final long uid, final long tag) {
+ this.uid = uid;
+ this.tag = tag;
+ }
+}
diff --git a/services/core/java/com/android/server/net/DelayedDiskWrite.java b/service-t/src/com/android/server/net/DelayedDiskWrite.java
similarity index 82%
rename from services/core/java/com/android/server/net/DelayedDiskWrite.java
rename to service-t/src/com/android/server/net/DelayedDiskWrite.java
index 8f09eb7..35dc455 100644
--- a/services/core/java/com/android/server/net/DelayedDiskWrite.java
+++ b/service-t/src/com/android/server/net/DelayedDiskWrite.java
@@ -26,21 +26,37 @@
import java.io.FileOutputStream;
import java.io.IOException;
+/**
+ * This class provides APIs to do a delayed data write to a given {@link OutputStream}.
+ */
public class DelayedDiskWrite {
+ private static final String TAG = "DelayedDiskWrite";
+
private HandlerThread mDiskWriteHandlerThread;
private Handler mDiskWriteHandler;
/* Tracks multiple writes on the same thread */
private int mWriteSequence = 0;
- private final String TAG = "DelayedDiskWrite";
+ /**
+ * Used to do a delayed data write to a given {@link OutputStream}.
+ */
public interface Writer {
- public void onWriteCalled(DataOutputStream out) throws IOException;
+ /**
+ * write data to a given {@link OutputStream}.
+ */
+ void onWriteCalled(DataOutputStream out) throws IOException;
}
+ /**
+ * Do a delayed data write to a given output stream opened from filePath.
+ */
public void write(final String filePath, final Writer w) {
write(filePath, w, true);
}
+ /**
+ * Do a delayed data write to a given output stream opened from filePath.
+ */
public void write(final String filePath, final Writer w, final boolean open) {
if (TextUtils.isEmpty(filePath)) {
throw new IllegalArgumentException("empty file path");
@@ -77,7 +93,7 @@
if (out != null) {
try {
out.close();
- } catch (Exception e) {}
+ } catch (Exception e) { }
}
// Quit if no more writes sent
diff --git a/service-t/src/com/android/server/net/InterfaceMapValue.java b/service-t/src/com/android/server/net/InterfaceMapValue.java
new file mode 100644
index 0000000..42c0044
--- /dev/null
+++ b/service-t/src/com/android/server/net/InterfaceMapValue.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2022 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.net;
+
+import com.android.net.module.util.Struct;
+import com.android.net.module.util.Struct.Field;
+import com.android.net.module.util.Struct.Type;
+
+/**
+ * The value of bpf interface index map which is used for NetworkStatsService.
+ */
+public class InterfaceMapValue extends Struct {
+ @Field(order = 0, type = Type.ByteArray, arraysize = 16)
+ public final byte[] interfaceName;
+
+ public InterfaceMapValue(String iface) {
+ final byte[] ifaceArray = iface.getBytes();
+ interfaceName = new byte[16];
+ // All array bytes after the interface name, if any, must be 0.
+ System.arraycopy(ifaceArray, 0, interfaceName, 0, ifaceArray.length);
+ }
+}
diff --git a/service-t/src/com/android/server/net/NetworkStatsFactory.java b/service-t/src/com/android/server/net/NetworkStatsFactory.java
index bb123a3..668d1cb 100644
--- a/service-t/src/com/android/server/net/NetworkStatsFactory.java
+++ b/service-t/src/com/android/server/net/NetworkStatsFactory.java
@@ -22,14 +22,12 @@
import static android.net.NetworkStats.TAG_NONE;
import static android.net.NetworkStats.UID_ALL;
-import static com.android.server.NetworkManagementSocketTagger.kernelToTag;
-
import android.annotation.NonNull;
import android.annotation.Nullable;
-import android.net.INetd;
+import android.content.Context;
+import android.net.ConnectivityManager;
import android.net.NetworkStats;
import android.net.UnderlyingNetworkInfo;
-import android.os.RemoteException;
import android.os.StrictMode;
import android.os.SystemClock;
@@ -70,7 +68,7 @@
private final boolean mUseBpfStats;
- private final INetd mNetd;
+ private final Context mContext;
/**
* Guards persistent data access in this class
@@ -158,12 +156,12 @@
NetworkStats.apply464xlatAdjustments(baseTraffic, stackedTraffic, mStackedIfaces);
}
- public NetworkStatsFactory(@NonNull INetd netd) {
- this(new File("/proc/"), true, netd);
+ public NetworkStatsFactory(@NonNull Context ctx) {
+ this(ctx, new File("/proc/"), true);
}
@VisibleForTesting
- public NetworkStatsFactory(File procRoot, boolean useBpfStats, @NonNull INetd netd) {
+ public NetworkStatsFactory(@NonNull Context ctx, File procRoot, boolean useBpfStats) {
mStatsXtIfaceAll = new File(procRoot, "net/xt_qtaguid/iface_stat_all");
mStatsXtIfaceFmt = new File(procRoot, "net/xt_qtaguid/iface_stat_fmt");
mStatsXtUid = new File(procRoot, "net/xt_qtaguid/stats");
@@ -172,7 +170,7 @@
mPersistSnapshot = new NetworkStats(SystemClock.elapsedRealtime(), -1);
mTunAnd464xlatAdjustedStats = new NetworkStats(SystemClock.elapsedRealtime(), -1);
}
- mNetd = netd;
+ mContext = ctx;
}
public NetworkStats readBpfNetworkStatsDev() throws IOException {
@@ -295,11 +293,12 @@
}
@GuardedBy("mPersistentDataLock")
- private void requestSwapActiveStatsMapLocked() throws RemoteException {
- // Ask netd to do a active map stats swap. When the binder call successfully returns,
+ private void requestSwapActiveStatsMapLocked() {
+ // Do a active map stats swap. When the binder call successfully returns,
// the system server should be able to safely read and clean the inactive map
// without race problem.
- mNetd.trafficSwapActiveStatsMap();
+ final ConnectivityManager cm = mContext.getSystemService(ConnectivityManager.class);
+ cm.swapActiveStatsMap();
}
/**
@@ -327,7 +326,7 @@
if (mUseBpfStats) {
try {
requestSwapActiveStatsMapLocked();
- } catch (RemoteException e) {
+ } catch (RuntimeException e) {
throw new IOException(e);
}
// Stats are always read from the inactive map, so they must be read after the
@@ -469,6 +468,19 @@
}
/**
+ * Convert {@code /proc/} tag format to {@link Integer}. Assumes incoming
+ * format like {@code 0x7fffffff00000000}.
+ */
+ public static int kernelToTag(String string) {
+ int length = string.length();
+ if (length > 10) {
+ return Long.decode(string.substring(0, length - 8)).intValue();
+ } else {
+ return 0;
+ }
+ }
+
+ /**
* Parse statistics from file into given {@link NetworkStats} object. Values
* are expected to monotonically increase since device boot.
*/
diff --git a/service-t/src/com/android/server/net/NetworkStatsObservers.java b/service-t/src/com/android/server/net/NetworkStatsObservers.java
index b57a4f9..1953624 100644
--- a/service-t/src/com/android/server/net/NetworkStatsObservers.java
+++ b/service-t/src/com/android/server/net/NetworkStatsObservers.java
@@ -26,13 +26,12 @@
import android.net.NetworkStatsCollection;
import android.net.NetworkStatsHistory;
import android.net.NetworkTemplate;
-import android.os.Bundle;
+import android.net.netstats.IUsageCallback;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
-import android.os.Messenger;
import android.os.Process;
import android.os.RemoteException;
import android.util.ArrayMap;
@@ -75,10 +74,10 @@
*
* @return the normalized request wrapped within {@link RequestInfo}.
*/
- public DataUsageRequest register(DataUsageRequest inputRequest, Messenger messenger,
- IBinder binder, int callingUid, @NetworkStatsAccess.Level int accessLevel) {
- DataUsageRequest request = buildRequest(inputRequest);
- RequestInfo requestInfo = buildRequestInfo(request, messenger, binder, callingUid,
+ public DataUsageRequest register(DataUsageRequest inputRequest, IUsageCallback callback,
+ int callingUid, @NetworkStatsAccess.Level int accessLevel) {
+ DataUsageRequest request = buildRequest(inputRequest, callingUid);
+ RequestInfo requestInfo = buildRequestInfo(request, callback, callingUid,
accessLevel);
if (LOGV) Log.v(TAG, "Registering observer for " + request);
@@ -195,10 +194,12 @@
}
}
- private DataUsageRequest buildRequest(DataUsageRequest request) {
- // Cap the minimum threshold to a safe default to avoid too many callbacks
- long thresholdInBytes = Math.max(MIN_THRESHOLD_BYTES, request.thresholdInBytes);
- if (thresholdInBytes < request.thresholdInBytes) {
+ private DataUsageRequest buildRequest(DataUsageRequest request, int callingUid) {
+ // For non-system uid, cap the minimum threshold to a safe default to avoid too
+ // many callbacks.
+ long thresholdInBytes = (callingUid == Process.SYSTEM_UID ? request.thresholdInBytes
+ : Math.max(MIN_THRESHOLD_BYTES, request.thresholdInBytes));
+ if (thresholdInBytes > request.thresholdInBytes) {
Log.w(TAG, "Threshold was too low for " + request
+ ". Overriding to a safer default of " + thresholdInBytes + " bytes");
}
@@ -206,11 +207,10 @@
request.template, thresholdInBytes);
}
- private RequestInfo buildRequestInfo(DataUsageRequest request,
- Messenger messenger, IBinder binder, int callingUid,
- @NetworkStatsAccess.Level int accessLevel) {
+ private RequestInfo buildRequestInfo(DataUsageRequest request, IUsageCallback callback,
+ int callingUid, @NetworkStatsAccess.Level int accessLevel) {
if (accessLevel <= NetworkStatsAccess.Level.USER) {
- return new UserUsageRequestInfo(this, request, messenger, binder, callingUid,
+ return new UserUsageRequestInfo(this, request, callback, callingUid,
accessLevel);
} else {
// Safety check in case a new access level is added and we forgot to update this
@@ -218,7 +218,7 @@
throw new IllegalArgumentException(
"accessLevel " + accessLevel + " is less than DEVICESUMMARY.");
}
- return new NetworkUsageRequestInfo(this, request, messenger, binder, callingUid,
+ return new NetworkUsageRequestInfo(this, request, callback, callingUid,
accessLevel);
}
}
@@ -230,25 +230,23 @@
private abstract static class RequestInfo implements IBinder.DeathRecipient {
private final NetworkStatsObservers mStatsObserver;
protected final DataUsageRequest mRequest;
- private final Messenger mMessenger;
- private final IBinder mBinder;
+ private final IUsageCallback mCallback;
protected final int mCallingUid;
protected final @NetworkStatsAccess.Level int mAccessLevel;
protected NetworkStatsRecorder mRecorder;
protected NetworkStatsCollection mCollection;
RequestInfo(NetworkStatsObservers statsObserver, DataUsageRequest request,
- Messenger messenger, IBinder binder, int callingUid,
+ IUsageCallback callback, int callingUid,
@NetworkStatsAccess.Level int accessLevel) {
mStatsObserver = statsObserver;
mRequest = request;
- mMessenger = messenger;
- mBinder = binder;
+ mCallback = callback;
mCallingUid = callingUid;
mAccessLevel = accessLevel;
try {
- mBinder.linkToDeath(this, 0);
+ mCallback.asBinder().linkToDeath(this, 0);
} catch (RemoteException e) {
binderDied();
}
@@ -257,7 +255,7 @@
@Override
public void binderDied() {
if (LOGV) {
- Log.v(TAG, "RequestInfo binderDied(" + mRequest + ", " + mBinder + ")");
+ Log.v(TAG, "RequestInfo binderDied(" + mRequest + ", " + mCallback + ")");
}
mStatsObserver.unregister(mRequest, Process.SYSTEM_UID);
callCallback(NetworkStatsManager.CALLBACK_RELEASED);
@@ -270,9 +268,7 @@
}
private void unlinkDeathRecipient() {
- if (mBinder != null) {
- mBinder.unlinkToDeath(this, 0);
- }
+ mCallback.asBinder().unlinkToDeath(this, 0);
}
/**
@@ -294,17 +290,19 @@
}
private void callCallback(int callbackType) {
- Bundle bundle = new Bundle();
- bundle.putParcelable(DataUsageRequest.PARCELABLE_KEY, mRequest);
- Message msg = Message.obtain();
- msg.what = callbackType;
- msg.setData(bundle);
try {
if (LOGV) {
Log.v(TAG, "sending notification " + callbackTypeToName(callbackType)
+ " for " + mRequest);
}
- mMessenger.send(msg);
+ switch (callbackType) {
+ case NetworkStatsManager.CALLBACK_LIMIT_REACHED:
+ mCallback.onThresholdReached(mRequest);
+ break;
+ case NetworkStatsManager.CALLBACK_RELEASED:
+ mCallback.onCallbackReleased(mRequest);
+ break;
+ }
} catch (RemoteException e) {
// May occur naturally in the race of binder death.
Log.w(TAG, "RemoteException caught trying to send a callback msg for " + mRequest);
@@ -334,9 +332,9 @@
private static class NetworkUsageRequestInfo extends RequestInfo {
NetworkUsageRequestInfo(NetworkStatsObservers statsObserver, DataUsageRequest request,
- Messenger messenger, IBinder binder, int callingUid,
+ IUsageCallback callback, int callingUid,
@NetworkStatsAccess.Level int accessLevel) {
- super(statsObserver, request, messenger, binder, callingUid, accessLevel);
+ super(statsObserver, request, callback, callingUid, accessLevel);
}
@Override
@@ -376,9 +374,9 @@
private static class UserUsageRequestInfo extends RequestInfo {
UserUsageRequestInfo(NetworkStatsObservers statsObserver, DataUsageRequest request,
- Messenger messenger, IBinder binder, int callingUid,
+ IUsageCallback callback, int callingUid,
@NetworkStatsAccess.Level int accessLevel) {
- super(statsObserver, request, messenger, binder, callingUid, accessLevel);
+ super(statsObserver, request, callback, callingUid, accessLevel);
}
@Override
diff --git a/service-t/src/com/android/server/net/NetworkStatsService.java b/service-t/src/com/android/server/net/NetworkStatsService.java
index 97281ed..b193623 100644
--- a/service-t/src/com/android/server/net/NetworkStatsService.java
+++ b/service-t/src/com/android/server/net/NetworkStatsService.java
@@ -19,12 +19,13 @@
import static android.Manifest.permission.NETWORK_STATS_PROVIDER;
import static android.Manifest.permission.READ_NETWORK_USAGE_HISTORY;
import static android.Manifest.permission.UPDATE_DEVICE_STATS;
+import static android.app.usage.NetworkStatsManager.PREFIX_DEV;
import static android.content.Intent.ACTION_SHUTDOWN;
import static android.content.Intent.ACTION_UID_REMOVED;
import static android.content.Intent.ACTION_USER_REMOVED;
import static android.content.Intent.EXTRA_UID;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
-import static android.net.NetworkIdentity.SUBTYPE_COMBINED;
+import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
import static android.net.NetworkStats.DEFAULT_NETWORK_ALL;
import static android.net.NetworkStats.IFACE_ALL;
import static android.net.NetworkStats.IFACE_VT;
@@ -44,25 +45,13 @@
import static android.net.NetworkTemplate.buildTemplateWifiWildcard;
import static android.net.TrafficStats.KB_IN_BYTES;
import static android.net.TrafficStats.MB_IN_BYTES;
+import static android.net.TrafficStats.UID_TETHERING;
import static android.net.TrafficStats.UNSUPPORTED;
+import static android.net.netstats.NetworkStatsDataMigrationUtils.PREFIX_UID;
+import static android.net.netstats.NetworkStatsDataMigrationUtils.PREFIX_UID_TAG;
+import static android.net.netstats.NetworkStatsDataMigrationUtils.PREFIX_XT;
import static android.os.Trace.TRACE_TAG_NETWORK;
-import static android.provider.Settings.Global.NETSTATS_AUGMENT_ENABLED;
-import static android.provider.Settings.Global.NETSTATS_COMBINE_SUBTYPE_ENABLED;
-import static android.provider.Settings.Global.NETSTATS_DEV_BUCKET_DURATION;
-import static android.provider.Settings.Global.NETSTATS_DEV_DELETE_AGE;
-import static android.provider.Settings.Global.NETSTATS_DEV_PERSIST_BYTES;
-import static android.provider.Settings.Global.NETSTATS_DEV_ROTATE_AGE;
-import static android.provider.Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES;
-import static android.provider.Settings.Global.NETSTATS_POLL_INTERVAL;
-import static android.provider.Settings.Global.NETSTATS_SAMPLE_ENABLED;
-import static android.provider.Settings.Global.NETSTATS_UID_BUCKET_DURATION;
-import static android.provider.Settings.Global.NETSTATS_UID_DELETE_AGE;
-import static android.provider.Settings.Global.NETSTATS_UID_PERSIST_BYTES;
-import static android.provider.Settings.Global.NETSTATS_UID_ROTATE_AGE;
-import static android.provider.Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION;
-import static android.provider.Settings.Global.NETSTATS_UID_TAG_DELETE_AGE;
-import static android.provider.Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES;
-import static android.provider.Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE;
+import static android.system.OsConstants.ENOENT;
import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
import static android.text.format.DateUtils.DAY_IN_MILLIS;
import static android.text.format.DateUtils.HOUR_IN_MILLIS;
@@ -70,9 +59,7 @@
import static android.text.format.DateUtils.SECOND_IN_MILLIS;
import static com.android.net.module.util.NetworkCapabilitiesUtils.getDisplayTransport;
-import static com.android.server.NetworkManagementService.LIMIT_GLOBAL_ALERT;
-import static com.android.server.NetworkManagementSocketTagger.resetKernelUidStats;
-import static com.android.server.NetworkManagementSocketTagger.setKernelCounterSet;
+import static com.android.net.module.util.NetworkStatsUtils.LIMIT_GLOBAL_ALERT;
import android.annotation.NonNull;
import android.annotation.Nullable;
@@ -89,13 +76,13 @@
import android.database.ContentObserver;
import android.net.DataUsageRequest;
import android.net.INetd;
-import android.net.INetworkManagementEventObserver;
import android.net.INetworkStatsService;
import android.net.INetworkStatsSession;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkIdentity;
import android.net.NetworkIdentitySet;
+import android.net.NetworkPolicyManager;
import android.net.NetworkSpecifier;
import android.net.NetworkStack;
import android.net.NetworkStateSnapshot;
@@ -106,10 +93,12 @@
import android.net.NetworkStatsHistory;
import android.net.NetworkTemplate;
import android.net.TelephonyNetworkSpecifier;
+import android.net.TetherStatsParcel;
import android.net.TetheringManager;
import android.net.TrafficStats;
import android.net.UnderlyingNetworkInfo;
import android.net.Uri;
+import android.net.netstats.IUsageCallback;
import android.net.netstats.provider.INetworkStatsProvider;
import android.net.netstats.provider.INetworkStatsProviderCallback;
import android.net.netstats.provider.NetworkStatsProvider;
@@ -117,15 +106,13 @@
import android.os.DropBoxManager;
import android.os.Environment;
import android.os.Handler;
-import android.os.HandlerExecutor;
import android.os.HandlerThread;
import android.os.IBinder;
-import android.os.INetworkManagementService;
import android.os.Looper;
import android.os.Message;
-import android.os.Messenger;
import android.os.PowerManager;
import android.os.RemoteException;
+import android.os.ServiceSpecificException;
import android.os.SystemClock;
import android.os.Trace;
import android.os.UserHandle;
@@ -133,6 +120,7 @@
import android.provider.Settings.Global;
import android.service.NetworkInterfaceProto;
import android.service.NetworkStatsServiceDumpProto;
+import android.system.ErrnoException;
import android.telephony.PhoneStateListener;
import android.telephony.SubscriptionPlan;
import android.text.TextUtils;
@@ -148,13 +136,17 @@
import com.android.internal.annotations.GuardedBy;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.util.FileRotator;
+import com.android.net.module.util.BaseNetdUnsolicitedEventListener;
import com.android.net.module.util.BestClock;
import com.android.net.module.util.BinderUtils;
+import com.android.net.module.util.BpfMap;
import com.android.net.module.util.CollectionUtils;
+import com.android.net.module.util.IBpfMap;
+import com.android.net.module.util.LocationPermissionChecker;
import com.android.net.module.util.NetworkStatsUtils;
import com.android.net.module.util.PermissionUtils;
-import com.android.server.EventLogTags;
-import com.android.server.LocalServices;
+import com.android.net.module.util.Struct.U32;
+import com.android.net.module.util.Struct.U8;
import java.io.File;
import java.io.FileDescriptor;
@@ -207,8 +199,31 @@
private static final String TAG_NETSTATS_ERROR = "netstats_error";
+ /**
+ * EventLog tags used when logging into the event log. Note the values must be sync with
+ * frameworks/base/services/core/java/com/android/server/EventLogTags.logtags to get correct
+ * name translation.
+ */
+ private static final int LOG_TAG_NETSTATS_MOBILE_SAMPLE = 51100;
+ private static final int LOG_TAG_NETSTATS_WIFI_SAMPLE = 51101;
+
+ // TODO: Replace the hardcoded string and move it into ConnectivitySettingsManager.
+ private static final String NETSTATS_COMBINE_SUBTYPE_ENABLED =
+ "netstats_combine_subtype_enabled";
+
+ // This is current path but may be changed soon.
+ private static final String UID_COUNTERSET_MAP_PATH =
+ "/sys/fs/bpf/map_netd_uid_counterset_map";
+ private static final String COOKIE_TAG_MAP_PATH =
+ "/sys/fs/bpf/map_netd_cookie_tag_map";
+ private static final String APP_UID_STATS_MAP_PATH =
+ "/sys/fs/bpf/map_netd_app_uid_stats_map";
+ private static final String STATS_MAP_A_PATH =
+ "/sys/fs/bpf/map_netd_stats_map_A";
+ private static final String STATS_MAP_B_PATH =
+ "/sys/fs/bpf/map_netd_stats_map_B";
+
private final Context mContext;
- private final INetworkManagementService mNetworkManager;
private final NetworkStatsFactory mStatsFactory;
private final AlarmManager mAlarmManager;
private final Clock mClock;
@@ -223,6 +238,9 @@
private final ContentObserver mContentObserver;
private final ContentResolver mContentResolver;
+ protected INetd mNetd;
+ private final AlertObserver mAlertObserver = new AlertObserver();
+
@VisibleForTesting
public static final String ACTION_NETWORK_STATS_POLL =
"com.android.server.action.NETWORK_STATS_POLL";
@@ -231,11 +249,6 @@
private PendingIntent mPollIntent;
- private static final String PREFIX_DEV = "dev";
- private static final String PREFIX_XT = "xt";
- private static final String PREFIX_UID = "uid";
- private static final String PREFIX_UID_TAG = "uid_tag";
-
/**
* Settings that can be changed externally.
*/
@@ -245,9 +258,9 @@
boolean getSampleEnabled();
boolean getAugmentEnabled();
/**
- * When enabled, all mobile data is reported under {@link NetworkIdentity#SUBTYPE_COMBINED}.
- * When disabled, mobile data is broken down by a granular subtype representative of the
- * actual subtype. {@see NetworkTemplate#getCollapsedRatType}.
+ * When enabled, all mobile data is reported under {@link NetworkTemplate#NETWORK_TYPE_ALL}.
+ * When disabled, mobile data is broken down by a granular ratType representative of the
+ * actual ratType. {@see android.app.usage.NetworkStatsManager#getCollapsedRatType}.
* Enabling this decreases the level of detail but saves performance, disk space and
* amount of data logged.
*/
@@ -294,6 +307,9 @@
/** Set of any ifaces associated with mobile networks since boot. */
private volatile String[] mMobileIfaces = new String[0];
+ /** Set of any ifaces associated with wifi networks since boot. */
+ private volatile String[] mWifiIfaces = new String[0];
+
/** Set of all ifaces currently used by traffic that does not explicitly specify a Network. */
@GuardedBy("mStatsLock")
private Network[] mDefaultNetworks = new Network[0];
@@ -325,8 +341,18 @@
@GuardedBy("mStatsLock")
private NetworkStatsCollection mXtStatsCached;
- /** Current counter sets for each UID. */
+ /**
+ * Current counter sets for each UID.
+ * TODO: maybe remove mActiveUidCounterSet and read UidCouneterSet value from mUidCounterSetMap
+ * directly ? But if mActiveUidCounterSet would be accessed very frequently, maybe keep
+ * mActiveUidCounterSet to avoid accessing kernel too frequently.
+ */
private SparseIntArray mActiveUidCounterSet = new SparseIntArray();
+ private final IBpfMap<U32, U8> mUidCounterSetMap;
+ private final IBpfMap<CookieTagMapKey, CookieTagMapValue> mCookieTagMap;
+ private final IBpfMap<StatsMapKey, StatsMapValue> mStatsMapA;
+ private final IBpfMap<StatsMapKey, StatsMapValue> mStatsMapB;
+ private final IBpfMap<UidStatsMapKey, StatsMapValue> mAppUidStatsMap;
/** Data layer operation counters for splicing into other structures. */
private NetworkStats mUidOperations = new NetworkStats(0L, 10);
@@ -354,6 +380,12 @@
@NonNull
private final NetworkStatsSubscriptionsMonitor mNetworkStatsSubscriptionsMonitor;
+ @NonNull
+ private final LocationPermissionChecker mLocationPermissionChecker;
+
+ @NonNull
+ private final BpfInterfaceMapUpdater mInterfaceMapUpdater;
+
private static @NonNull File getDefaultSystemDir() {
return new File(Environment.getDataDirectory(), "system");
}
@@ -405,20 +437,20 @@
}
}
- public static NetworkStatsService create(Context context,
- INetworkManagementService networkManager) {
+ /** Creates a new NetworkStatsService */
+ public static NetworkStatsService create(Context context) {
AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
PowerManager.WakeLock wakeLock =
powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
final INetd netd = INetd.Stub.asInterface(
(IBinder) context.getSystemService(Context.NETD_SERVICE));
- final NetworkStatsService service = new NetworkStatsService(context, networkManager,
+ final NetworkStatsService service = new NetworkStatsService(context,
+ INetd.Stub.asInterface((IBinder) context.getSystemService(Context.NETD_SERVICE)),
alarmManager, wakeLock, getDefaultClock(),
- new DefaultNetworkStatsSettings(context), new NetworkStatsFactory(netd),
+ new DefaultNetworkStatsSettings(), new NetworkStatsFactory(context),
new NetworkStatsObservers(), getDefaultSystemDir(), getDefaultBaseDir(),
new Dependencies());
- service.registerLocalService();
return service;
}
@@ -426,14 +458,12 @@
// This must not be called outside of tests, even within the same package, as this constructor
// does not register the local service. Use the create() helper above.
@VisibleForTesting
- NetworkStatsService(Context context, INetworkManagementService networkManager,
- AlarmManager alarmManager, PowerManager.WakeLock wakeLock, Clock clock,
- NetworkStatsSettings settings, NetworkStatsFactory factory,
- NetworkStatsObservers statsObservers, File systemDir, File baseDir,
- @NonNull Dependencies deps) {
+ NetworkStatsService(Context context, INetd netd, AlarmManager alarmManager,
+ PowerManager.WakeLock wakeLock, Clock clock, NetworkStatsSettings settings,
+ NetworkStatsFactory factory, NetworkStatsObservers statsObservers, File systemDir,
+ File baseDir, @NonNull Dependencies deps) {
mContext = Objects.requireNonNull(context, "missing Context");
- mNetworkManager = Objects.requireNonNull(networkManager,
- "missing INetworkManagementService");
+ mNetd = Objects.requireNonNull(netd, "missing Netd");
mAlarmManager = Objects.requireNonNull(alarmManager, "missing AlarmManager");
mClock = Objects.requireNonNull(clock, "missing Clock");
mSettings = Objects.requireNonNull(settings, "missing NetworkStatsSettings");
@@ -448,10 +478,18 @@
handlerThread.start();
mHandler = new NetworkStatsHandler(handlerThread.getLooper());
mNetworkStatsSubscriptionsMonitor = deps.makeSubscriptionsMonitor(mContext,
- new HandlerExecutor(mHandler), this);
+ (command) -> mHandler.post(command) , this);
mContentResolver = mContext.getContentResolver();
mContentObserver = mDeps.makeContentObserver(mHandler, mSettings,
mNetworkStatsSubscriptionsMonitor);
+ mLocationPermissionChecker = mDeps.makeLocationPermissionChecker(mContext);
+ mInterfaceMapUpdater = mDeps.makeBpfInterfaceMapUpdater(mContext, mHandler);
+ mInterfaceMapUpdater.start();
+ mUidCounterSetMap = mDeps.getUidCounterSetMap();
+ mCookieTagMap = mDeps.getCookieTagMap();
+ mStatsMapA = mDeps.getStatsMapA();
+ mStatsMapB = mDeps.getStatsMapB();
+ mAppUidStatsMap = mDeps.getAppUidStatsMap();
}
/**
@@ -499,11 +537,95 @@
}
};
}
+
+ /**
+ * @see LocationPermissionChecker
+ */
+ public LocationPermissionChecker makeLocationPermissionChecker(final Context context) {
+ return new LocationPermissionChecker(context);
+ }
+
+ /** Create BpfInterfaceMapUpdater to update bpf interface map. */
+ @NonNull
+ public BpfInterfaceMapUpdater makeBpfInterfaceMapUpdater(
+ @NonNull Context ctx, @NonNull Handler handler) {
+ return new BpfInterfaceMapUpdater(ctx, handler);
+ }
+
+ /** Get counter sets map for each UID. */
+ public IBpfMap<U32, U8> getUidCounterSetMap() {
+ try {
+ return new BpfMap<U32, U8>(UID_COUNTERSET_MAP_PATH, BpfMap.BPF_F_RDWR,
+ U32.class, U8.class);
+ } catch (ErrnoException e) {
+ Log.wtf(TAG, "Cannot create uid counter set map: " + e);
+ return null;
+ }
+ }
+
+ /** Gets the cookie tag map */
+ public IBpfMap<CookieTagMapKey, CookieTagMapValue> getCookieTagMap() {
+ try {
+ return new BpfMap<CookieTagMapKey, CookieTagMapValue>(COOKIE_TAG_MAP_PATH,
+ BpfMap.BPF_F_RDWR, CookieTagMapKey.class, CookieTagMapValue.class);
+ } catch (ErrnoException e) {
+ Log.wtf(TAG, "Cannot create cookie tag map: " + e);
+ return null;
+ }
+ }
+
+ /** Gets stats map A */
+ public IBpfMap<StatsMapKey, StatsMapValue> getStatsMapA() {
+ try {
+ return new BpfMap<StatsMapKey, StatsMapValue>(STATS_MAP_A_PATH,
+ BpfMap.BPF_F_RDWR, StatsMapKey.class, StatsMapValue.class);
+ } catch (ErrnoException e) {
+ Log.wtf(TAG, "Cannot create stats map A: " + e);
+ return null;
+ }
+ }
+
+ /** Gets stats map B */
+ public IBpfMap<StatsMapKey, StatsMapValue> getStatsMapB() {
+ try {
+ return new BpfMap<StatsMapKey, StatsMapValue>(STATS_MAP_B_PATH,
+ BpfMap.BPF_F_RDWR, StatsMapKey.class, StatsMapValue.class);
+ } catch (ErrnoException e) {
+ Log.wtf(TAG, "Cannot create stats map B: " + e);
+ return null;
+ }
+ }
+
+ /** Gets the uid stats map */
+ public IBpfMap<UidStatsMapKey, StatsMapValue> getAppUidStatsMap() {
+ try {
+ return new BpfMap<UidStatsMapKey, StatsMapValue>(APP_UID_STATS_MAP_PATH,
+ BpfMap.BPF_F_RDWR, UidStatsMapKey.class, StatsMapValue.class);
+ } catch (ErrnoException e) {
+ Log.wtf(TAG, "Cannot create app uid stats map: " + e);
+ return null;
+ }
+ }
}
- private void registerLocalService() {
- LocalServices.addService(NetworkStatsManagerInternal.class,
- new NetworkStatsManagerInternalImpl());
+ /**
+ * Observer that watches for {@link INetdUnsolicitedEventListener} alerts.
+ */
+ @VisibleForTesting
+ public class AlertObserver extends BaseNetdUnsolicitedEventListener {
+ @Override
+ public void onQuotaLimitReached(@NonNull String alertName, @NonNull String ifName) {
+ PermissionUtils.enforceNetworkStackPermission(mContext);
+
+ if (LIMIT_GLOBAL_ALERT.equals(alertName)) {
+ // kick off background poll to collect network stats unless there is already
+ // such a call pending; UID stats are handled during normal polling interval.
+ if (!mHandler.hasMessages(MSG_PERFORM_POLL_REGISTER_ALERT)) {
+ mHandler.sendEmptyMessageDelayed(MSG_PERFORM_POLL_REGISTER_ALERT,
+ mSettings.getPollDelay());
+ }
+ }
+ }
}
public void systemReady() {
@@ -532,7 +654,7 @@
// watch for tethering changes
final TetheringManager tetheringManager = mContext.getSystemService(TetheringManager.class);
tetheringManager.registerTetheringEventCallback(
- new HandlerExecutor(mHandler), mTetherListener);
+ (command) -> mHandler.post(command), mTetherListener);
// listen for periodic polling events
final IntentFilter pollFilter = new IntentFilter(ACTION_NETWORK_STATS_POLL);
@@ -551,9 +673,9 @@
mContext.registerReceiver(mShutdownReceiver, shutdownFilter);
try {
- mNetworkManager.registerObserver(mAlertObserver);
- } catch (RemoteException e) {
- // ignored; service lives in system_server
+ mNetd.registerUnsolicitedEventListener(mAlertObserver);
+ } catch (RemoteException | ServiceSpecificException e) {
+ Log.wtf(TAG, "Error registering event listener :", e);
}
// schedule periodic pall alarm based on {@link NetworkStatsSettings#getPollInterval()}.
@@ -566,13 +688,13 @@
mSettings.getPollInterval(), pollIntent);
mContentResolver.registerContentObserver(Settings.Global
- .getUriFor(Settings.Global.NETSTATS_COMBINE_SUBTYPE_ENABLED),
+ .getUriFor(NETSTATS_COMBINE_SUBTYPE_ENABLED),
false /* notifyForDescendants */, mContentObserver);
// Post a runnable on handler thread to call onChange(). It's for getting current value of
// NETSTATS_COMBINE_SUBTYPE_ENABLED to decide start or stop monitoring RAT type changes.
mHandler.post(() -> mContentObserver.onChange(false, Settings.Global
- .getUriFor(Settings.Global.NETSTATS_COMBINE_SUBTYPE_ENABLED)));
+ .getUriFor(NETSTATS_COMBINE_SUBTYPE_ENABLED)));
registerGlobalAlert();
}
@@ -641,13 +763,13 @@
}
/**
- * Register for a global alert that is delivered through {@link INetworkManagementEventObserver}
+ * Register for a global alert that is delivered through {@link AlertObserver}
* or {@link NetworkStatsProviderCallback#onAlertReached()} once a threshold amount of data has
* been transferred.
*/
private void registerGlobalAlert() {
try {
- mNetworkManager.setGlobalAlert(mGlobalAlertBytes);
+ mNetd.bandwidthSetGlobalAlert(mGlobalAlertBytes);
} catch (IllegalStateException e) {
Log.w(TAG, "problem registering for global alert: " + e);
} catch (RemoteException e) {
@@ -683,12 +805,25 @@
return now - lastCallTime < POLL_RATE_LIMIT_MS;
}
- private INetworkStatsSession openSessionInternal(final int flags, final String callingPackage) {
+ private int restrictFlagsForCaller(int flags) {
+ // All non-privileged callers are not allowed to turn off POLL_ON_OPEN.
+ final boolean isPrivileged = PermissionUtils.checkAnyPermissionOf(mContext,
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK);
+ if (!isPrivileged) {
+ flags |= NetworkStatsManager.FLAG_POLL_ON_OPEN;
+ }
+ // Non-system uids are rate limited for POLL_ON_OPEN.
final int callingUid = Binder.getCallingUid();
- final int usedFlags = isRateLimitedForPoll(callingUid)
+ flags = isRateLimitedForPoll(callingUid)
? flags & (~NetworkStatsManager.FLAG_POLL_ON_OPEN)
: flags;
- if ((usedFlags & (NetworkStatsManager.FLAG_POLL_ON_OPEN
+ return flags;
+ }
+
+ private INetworkStatsSession openSessionInternal(final int flags, final String callingPackage) {
+ final int restrictedFlags = restrictFlagsForCaller(flags);
+ if ((restrictedFlags & (NetworkStatsManager.FLAG_POLL_ON_OPEN
| NetworkStatsManager.FLAG_POLL_FORCE)) != 0) {
final long ident = Binder.clearCallingIdentity();
try {
@@ -702,7 +837,7 @@
// for its lifetime; when caller closes only weak references remain.
return new INetworkStatsSession.Stub() {
- private final int mCallingUid = callingUid;
+ private final int mCallingUid = Binder.getCallingUid();
private final String mCallingPackage = callingPackage;
private final @NetworkStatsAccess.Level int mAccessLevel = checkAccessLevel(
callingPackage);
@@ -736,26 +871,41 @@
@Override
public NetworkStats getDeviceSummaryForNetwork(
NetworkTemplate template, long start, long end) {
- return internalGetSummaryForNetwork(template, usedFlags, start, end, mAccessLevel,
- mCallingUid);
+ enforceTemplatePermissions(template, callingPackage);
+ return internalGetSummaryForNetwork(template, restrictedFlags, start, end,
+ mAccessLevel, mCallingUid);
}
@Override
public NetworkStats getSummaryForNetwork(
NetworkTemplate template, long start, long end) {
- return internalGetSummaryForNetwork(template, usedFlags, start, end, mAccessLevel,
- mCallingUid);
+ enforceTemplatePermissions(template, callingPackage);
+ return internalGetSummaryForNetwork(template, restrictedFlags, start, end,
+ mAccessLevel, mCallingUid);
+ }
+
+ // TODO: Remove this after all callers are removed.
+ @Override
+ public NetworkStatsHistory getHistoryForNetwork(NetworkTemplate template, int fields) {
+ enforceTemplatePermissions(template, callingPackage);
+ return internalGetHistoryForNetwork(template, restrictedFlags, fields,
+ mAccessLevel, mCallingUid, Long.MIN_VALUE, Long.MAX_VALUE);
}
@Override
- public NetworkStatsHistory getHistoryForNetwork(NetworkTemplate template, int fields) {
- return internalGetHistoryForNetwork(template, usedFlags, fields, mAccessLevel,
- mCallingUid);
+ public NetworkStatsHistory getHistoryIntervalForNetwork(NetworkTemplate template,
+ int fields, long start, long end) {
+ enforceTemplatePermissions(template, callingPackage);
+ // TODO(b/200768422): Redact returned history if the template is location
+ // sensitive but the caller is not privileged.
+ return internalGetHistoryForNetwork(template, restrictedFlags, fields,
+ mAccessLevel, mCallingUid, start, end);
}
@Override
public NetworkStats getSummaryForAllUid(
NetworkTemplate template, long start, long end, boolean includeTags) {
+ enforceTemplatePermissions(template, callingPackage);
try {
final NetworkStats stats = getUidComplete()
.getSummary(template, start, end, mAccessLevel, mCallingUid);
@@ -766,8 +916,19 @@
}
return stats;
} catch (NullPointerException e) {
- // TODO: Track down and fix the cause of this crash and remove this catch block.
- Log.wtf(TAG, "NullPointerException in getSummaryForAllUid", e);
+ throw e;
+ }
+ }
+
+ @Override
+ public NetworkStats getTaggedSummaryForAllUid(
+ NetworkTemplate template, long start, long end) {
+ enforceTemplatePermissions(template, callingPackage);
+ try {
+ final NetworkStats tagStats = getUidTagComplete()
+ .getSummary(template, start, end, mAccessLevel, mCallingUid);
+ return tagStats;
+ } catch (NullPointerException e) {
throw e;
}
}
@@ -775,6 +936,7 @@
@Override
public NetworkStatsHistory getHistoryForUid(
NetworkTemplate template, int uid, int set, int tag, int fields) {
+ enforceTemplatePermissions(template, callingPackage);
// NOTE: We don't augment UID-level statistics
if (tag == TAG_NONE) {
return getUidComplete().getHistory(template, null, uid, set, tag, fields,
@@ -789,6 +951,9 @@
public NetworkStatsHistory getHistoryIntervalForUid(
NetworkTemplate template, int uid, int set, int tag, int fields,
long start, long end) {
+ enforceTemplatePermissions(template, callingPackage);
+ // TODO(b/200768422): Redact returned history if the template is location
+ // sensitive but the caller is not privileged.
// NOTE: We don't augment UID-level statistics
if (tag == TAG_NONE) {
return getUidComplete().getHistory(template, null, uid, set, tag, fields,
@@ -810,6 +975,26 @@
};
}
+ private void enforceTemplatePermissions(@NonNull NetworkTemplate template,
+ @NonNull String callingPackage) {
+ // For a template with wifi network keys, it is possible for a malicious
+ // client to track the user locations via querying data usage. Thus, enforce
+ // fine location permission check.
+ if (!template.getWifiNetworkKeys().isEmpty()) {
+ final boolean canAccessFineLocation = mLocationPermissionChecker
+ .checkCallersLocationPermission(callingPackage,
+ null /* featureId */,
+ Binder.getCallingUid(),
+ false /* coarseForTargetSdkLessThanQ */,
+ null /* message */);
+ if (!canAccessFineLocation) {
+ throw new SecurityException("Access fine location is required when querying"
+ + " with wifi network keys, make sure the app has the necessary"
+ + "permissions and the location toggle is on.");
+ }
+ }
+ }
+
private @NetworkStatsAccess.Level int checkAccessLevel(String callingPackage) {
return NetworkStatsAccess.checkAccessLevel(
mContext, Binder.getCallingPid(), Binder.getCallingUid(), callingPackage);
@@ -827,7 +1012,7 @@
if (LOGD) Log.d(TAG, "Resolving plan for " + template);
final long token = Binder.clearCallingIdentity();
try {
- plan = LocalServices.getService(NetworkPolicyManagerInternal.class)
+ plan = mContext.getSystemService(NetworkPolicyManager.class)
.getSubscriptionPlan(template);
} finally {
Binder.restoreCallingIdentity(token);
@@ -846,7 +1031,7 @@
// We've been using pure XT stats long enough that we no longer need to
// splice DEV and XT together.
final NetworkStatsHistory history = internalGetHistoryForNetwork(template, flags, FIELD_ALL,
- accessLevel, callingUid);
+ accessLevel, callingUid, start, end);
final long now = System.currentTimeMillis();
final NetworkStatsHistory.Entry entry = history.getValues(start, end, now, null);
@@ -863,14 +1048,14 @@
* appropriate.
*/
private NetworkStatsHistory internalGetHistoryForNetwork(NetworkTemplate template,
- int flags, int fields, @NetworkStatsAccess.Level int accessLevel, int callingUid) {
+ int flags, int fields, @NetworkStatsAccess.Level int accessLevel, int callingUid,
+ long start, long end) {
// We've been using pure XT stats long enough that we no longer need to
// splice DEV and XT together.
final SubscriptionPlan augmentPlan = resolveSubscriptionPlan(template, flags);
synchronized (mStatsLock) {
return mXtStatsCached.getHistory(template, augmentPlan,
- UID_ALL, SET_ALL, TAG_NONE, fields, Long.MIN_VALUE, Long.MAX_VALUE,
- accessLevel, callingUid);
+ UID_ALL, SET_ALL, TAG_NONE, fields, start, end, accessLevel, callingUid);
}
}
@@ -901,8 +1086,17 @@
}
// TODO: switch to data layer stats once kernel exports
- // for now, read network layer stats and flatten across all ifaces
- final NetworkStats networkLayer = readNetworkStatsUidDetail(uid, INTERFACES_ALL, TAG_ALL);
+ // for now, read network layer stats and flatten across all ifaces.
+ // This function is used to query NeworkStats for calle's uid. The only caller method
+ // TrafficStats#getDataLayerSnapshotForUid alrady claim no special permission to query
+ // its own NetworkStats.
+ final long ident = Binder.clearCallingIdentity();
+ final NetworkStats networkLayer;
+ try {
+ networkLayer = readNetworkStatsUidDetail(uid, INTERFACES_ALL, TAG_ALL);
+ } finally {
+ Binder.restoreCallingIdentity(ident);
+ }
// splice in operation counts
networkLayer.spliceOperationsFrom(mUidOperations);
@@ -921,10 +1115,15 @@
}
@Override
- public NetworkStats getDetailedUidStats(String[] requiredIfaces) {
+ public NetworkStats getUidStatsForTransport(int transport) {
+ enforceAnyPermissionOf(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK);
try {
+ final String[] relevantIfaces =
+ transport == TRANSPORT_WIFI ? mWifiIfaces : mMobileIfaces;
+ // TODO(b/215633405) : mMobileIfaces and mWifiIfaces already contain the stacked
+ // interfaces, so this is not useful, remove it.
final String[] ifacesToQuery =
- mStatsFactory.augmentWithStackedInterfaces(requiredIfaces);
+ mStatsFactory.augmentWithStackedInterfaces(relevantIfaces);
return getNetworkStatsUidDetail(ifacesToQuery);
} catch (RemoteException e) {
Log.wtf(TAG, "Error compiling UID stats", e);
@@ -964,8 +1163,32 @@
}
}
+ private void setKernelCounterSet(int uid, int set) {
+ if (mUidCounterSetMap == null) {
+ Log.wtf(TAG, "Fail to set UidCounterSet: Null bpf map");
+ return;
+ }
+
+ if (set == SET_DEFAULT) {
+ try {
+ mUidCounterSetMap.deleteEntry(new U32(uid));
+ } catch (ErrnoException e) {
+ Log.w(TAG, "UidCounterSetMap.deleteEntry(" + uid + ") failed with errno: " + e);
+ }
+ return;
+ }
+
+ try {
+ mUidCounterSetMap.updateEntry(new U32(uid), new U8((short) set));
+ } catch (ErrnoException e) {
+ Log.w(TAG, "UidCounterSetMap.updateEntry(" + uid + ", " + set
+ + ") failed with errno: " + e);
+ }
+ }
+
@VisibleForTesting
- void setUidForeground(int uid, boolean uidForeground) {
+ public void setUidForeground(int uid, boolean uidForeground) {
+ PermissionUtils.enforceNetworkStackPermission(mContext);
synchronized (mStatsLock) {
final int set = uidForeground ? SET_FOREGROUND : SET_DEFAULT;
final int oldSet = mActiveUidCounterSet.get(uid, SET_DEFAULT);
@@ -1001,7 +1224,7 @@
@Override
public void forceUpdate() {
- mContext.enforceCallingOrSelfPermission(READ_NETWORK_USAGE_HISTORY, TAG);
+ PermissionUtils.enforceNetworkStackPermission(mContext);
final long token = Binder.clearCallingIdentity();
try {
@@ -1011,7 +1234,9 @@
}
}
- private void advisePersistThreshold(long thresholdBytes) {
+ /** Advise persistence threshold; may be overridden internally. */
+ public void advisePersistThreshold(long thresholdBytes) {
+ PermissionUtils.enforceNetworkStackPermission(mContext);
// clamp threshold into safe range
mPersistThreshold = NetworkStatsUtils.constrain(thresholdBytes,
128 * KB_IN_BYTES, 2 * MB_IN_BYTES);
@@ -1041,21 +1266,20 @@
}
@Override
- public DataUsageRequest registerUsageCallback(String callingPackage,
- DataUsageRequest request, Messenger messenger, IBinder binder) {
+ public DataUsageRequest registerUsageCallback(@NonNull String callingPackage,
+ @NonNull DataUsageRequest request, @NonNull IUsageCallback callback) {
Objects.requireNonNull(callingPackage, "calling package is null");
Objects.requireNonNull(request, "DataUsageRequest is null");
Objects.requireNonNull(request.template, "NetworkTemplate is null");
- Objects.requireNonNull(messenger, "messenger is null");
- Objects.requireNonNull(binder, "binder is null");
+ Objects.requireNonNull(callback, "callback is null");
int callingUid = Binder.getCallingUid();
@NetworkStatsAccess.Level int accessLevel = checkAccessLevel(callingPackage);
DataUsageRequest normalizedRequest;
final long token = Binder.clearCallingIdentity();
try {
- normalizedRequest = mStatsObservers.register(request, messenger, binder,
- callingUid, accessLevel);
+ normalizedRequest = mStatsObservers.register(
+ request, callback, callingUid, accessLevel);
} finally {
Binder.restoreCallingIdentity(token);
}
@@ -1226,26 +1450,6 @@
};
/**
- * Observer that watches for {@link INetworkManagementService} alerts.
- */
- private final INetworkManagementEventObserver mAlertObserver = new BaseNetworkObserver() {
- @Override
- public void limitReached(String limitName, String iface) {
- // only someone like NMS should be calling us
- PermissionUtils.enforceNetworkStackPermission(mContext);
-
- if (LIMIT_GLOBAL_ALERT.equals(limitName)) {
- // kick off background poll to collect network stats unless there is already
- // such a call pending; UID stats are handled during normal polling interval.
- if (!mHandler.hasMessages(MSG_PERFORM_POLL_REGISTER_ALERT)) {
- mHandler.sendEmptyMessageDelayed(MSG_PERFORM_POLL_REGISTER_ALERT,
- mSettings.getPollDelay());
- }
- }
- }
- };
-
- /**
* Handle collapsed RAT type changed event.
*/
@VisibleForTesting
@@ -1300,16 +1504,18 @@
final boolean combineSubtypeEnabled = mSettings.getCombineSubtypeEnabled();
final ArraySet<String> mobileIfaces = new ArraySet<>();
+ final ArraySet<String> wifiIfaces = new ArraySet<>();
for (NetworkStateSnapshot snapshot : snapshots) {
final int displayTransport =
getDisplayTransport(snapshot.getNetworkCapabilities().getTransportTypes());
final boolean isMobile = (NetworkCapabilities.TRANSPORT_CELLULAR == displayTransport);
+ final boolean isWifi = (NetworkCapabilities.TRANSPORT_WIFI == displayTransport);
final boolean isDefault = CollectionUtils.contains(
mDefaultNetworks, snapshot.getNetwork());
- final int subType = combineSubtypeEnabled ? SUBTYPE_COMBINED
- : getSubTypeForStateSnapshot(snapshot);
+ final int ratType = combineSubtypeEnabled ? NetworkTemplate.NETWORK_TYPE_ALL
+ : getRatTypeForStateSnapshot(snapshot);
final NetworkIdentity ident = NetworkIdentity.buildNetworkIdentity(mContext, snapshot,
- isDefault, subType);
+ isDefault, ratType);
// Traffic occurring on the base interface is always counted for
// both total usage and UID details.
@@ -1324,12 +1530,12 @@
// VT is considered always metered in framework's layer. If VT is not metered
// per carrier's policy, modem will report 0 usage for VT calls.
if (snapshot.getNetworkCapabilities().hasCapability(
- NetworkCapabilities.NET_CAPABILITY_IMS) && !ident.getMetered()) {
+ NetworkCapabilities.NET_CAPABILITY_IMS) && !ident.isMetered()) {
// Copy the identify from IMS one but mark it as metered.
NetworkIdentity vtIdent = new NetworkIdentity(ident.getType(),
- ident.getSubType(), ident.getSubscriberId(), ident.getNetworkId(),
- ident.getRoaming(), true /* metered */,
+ ident.getRatType(), ident.getSubscriberId(), ident.getWifiNetworkKey(),
+ ident.isRoaming(), true /* metered */,
true /* onDefaultNetwork */, ident.getOemManaged());
final String ifaceVt = IFACE_VT + getSubIdForMobile(snapshot);
findOrCreateNetworkIdentitySet(mActiveIfaces, ifaceVt).add(vtIdent);
@@ -1339,6 +1545,9 @@
if (isMobile) {
mobileIfaces.add(baseIface);
}
+ if (isWifi) {
+ wifiIfaces.add(baseIface);
+ }
}
// Traffic occurring on stacked interfaces is usually clatd.
@@ -1380,6 +1589,9 @@
if (isMobile) {
mobileIfaces.add(iface);
}
+ if (isWifi) {
+ wifiIfaces.add(iface);
+ }
mStatsFactory.noteStackedIface(iface, baseIface);
}
@@ -1387,11 +1599,16 @@
}
mMobileIfaces = mobileIfaces.toArray(new String[0]);
+ mWifiIfaces = wifiIfaces.toArray(new String[0]);
// TODO (b/192758557): Remove debug log.
if (CollectionUtils.contains(mMobileIfaces, null)) {
throw new NullPointerException(
"null element in mMobileIfaces: " + Arrays.toString(mMobileIfaces));
}
+ if (CollectionUtils.contains(mWifiIfaces, null)) {
+ throw new NullPointerException(
+ "null element in mWifiIfaces: " + Arrays.toString(mWifiIfaces));
+ }
}
private static int getSubIdForMobile(@NonNull NetworkStateSnapshot state) {
@@ -1409,11 +1626,11 @@
}
/**
- * For networks with {@code TRANSPORT_CELLULAR}, get subType that was obtained through
+ * For networks with {@code TRANSPORT_CELLULAR}, get ratType that was obtained through
* {@link PhoneStateListener}. Otherwise, return 0 given that other networks with different
* transport types do not actually fill this value.
*/
- private int getSubTypeForStateSnapshot(@NonNull NetworkStateSnapshot state) {
+ private int getRatTypeForStateSnapshot(@NonNull NetworkStateSnapshot state) {
if (!state.getNetworkCapabilities().hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
return 0;
}
@@ -1610,7 +1827,7 @@
xtTotal = mXtRecorder.getTotalSinceBootLocked(template);
uidTotal = mUidRecorder.getTotalSinceBootLocked(template);
- EventLogTags.writeNetstatsMobileSample(
+ EventLog.writeEvent(LOG_TAG_NETSTATS_MOBILE_SAMPLE,
devTotal.rxBytes, devTotal.rxPackets, devTotal.txBytes, devTotal.txPackets,
xtTotal.rxBytes, xtTotal.rxPackets, xtTotal.txBytes, xtTotal.txPackets,
uidTotal.rxBytes, uidTotal.rxPackets, uidTotal.txBytes, uidTotal.txPackets,
@@ -1622,13 +1839,76 @@
xtTotal = mXtRecorder.getTotalSinceBootLocked(template);
uidTotal = mUidRecorder.getTotalSinceBootLocked(template);
- EventLogTags.writeNetstatsWifiSample(
+ EventLog.writeEvent(LOG_TAG_NETSTATS_WIFI_SAMPLE,
devTotal.rxBytes, devTotal.rxPackets, devTotal.txBytes, devTotal.txPackets,
xtTotal.rxBytes, xtTotal.rxPackets, xtTotal.txBytes, xtTotal.txPackets,
uidTotal.rxBytes, uidTotal.rxPackets, uidTotal.txBytes, uidTotal.txPackets,
currentTime);
}
+ // deleteKernelTagData can ignore ENOENT; otherwise we should log an error
+ private void logErrorIfNotErrNoent(final ErrnoException e, final String msg) {
+ if (e.errno != ENOENT) Log.e(TAG, msg, e);
+ }
+
+ private <K extends StatsMapKey, V extends StatsMapValue> void deleteStatsMapTagData(
+ IBpfMap<K, V> statsMap, int uid) {
+ try {
+ statsMap.forEach((key, value) -> {
+ if (key.uid == uid) {
+ try {
+ statsMap.deleteEntry(key);
+ } catch (ErrnoException e) {
+ logErrorIfNotErrNoent(e, "Failed to delete data(uid = " + key.uid + ")");
+ }
+ }
+ });
+ } catch (ErrnoException e) {
+ Log.e(TAG, "FAILED to delete tag data from stats map", e);
+ }
+ }
+
+ /**
+ * Deletes uid tag data from CookieTagMap, StatsMapA, StatsMapB, and UidStatsMap
+ * @param uid
+ */
+ private void deleteKernelTagData(int uid) {
+ try {
+ mCookieTagMap.forEach((key, value) -> {
+ // If SkDestroyListener deletes the socket tag while this code is running,
+ // forEach will either restart iteration from the beginning or return null,
+ // depending on when the deletion happens.
+ // If it returns null, continue iteration to delete the data and in fact it would
+ // just iterate from first key because BpfMap#getNextKey would return first key
+ // if the current key is not exist.
+ if (value != null && value.uid == uid) {
+ try {
+ mCookieTagMap.deleteEntry(key);
+ } catch (ErrnoException e) {
+ logErrorIfNotErrNoent(e, "Failed to delete data(cookie = " + key + ")");
+ }
+ }
+ });
+ } catch (ErrnoException e) {
+ Log.e(TAG, "Failed to delete tag data from cookie tag map", e);
+ }
+
+ deleteStatsMapTagData(mStatsMapA, uid);
+ deleteStatsMapTagData(mStatsMapB, uid);
+
+ try {
+ mUidCounterSetMap.deleteEntry(new U32(uid));
+ } catch (ErrnoException e) {
+ logErrorIfNotErrNoent(e, "Failed to delete tag data from uid counter set map");
+ }
+
+ try {
+ mAppUidStatsMap.deleteEntry(new UidStatsMapKey(uid));
+ } catch (ErrnoException e) {
+ logErrorIfNotErrNoent(e, "Failed to delete tag data from app uid stats map");
+ }
+ }
+
/**
* Clean up {@link #mUidRecorder} after UID is removed.
*/
@@ -1644,7 +1924,7 @@
// Clear kernel stats associated with UID
for (int uid : uids) {
- resetKernelUidStats(uid);
+ deleteKernelTagData(uid);
}
}
@@ -1668,52 +1948,19 @@
removeUidsLocked(CollectionUtils.toIntArray(uids));
}
- private class NetworkStatsManagerInternalImpl extends NetworkStatsManagerInternal {
- @Override
- public long getNetworkTotalBytes(NetworkTemplate template, long start, long end) {
- Trace.traceBegin(TRACE_TAG_NETWORK, "getNetworkTotalBytes");
- try {
- return NetworkStatsService.this.getNetworkTotalBytes(template, start, end);
- } finally {
- Trace.traceEnd(TRACE_TAG_NETWORK);
- }
+ /**
+ * Set the warning and limit to all registered custom network stats providers.
+ * Note that invocation of any interface will be sent to all providers.
+ */
+ public void setStatsProviderWarningAndLimitAsync(
+ @NonNull String iface, long warning, long limit) {
+ PermissionUtils.enforceNetworkStackPermission(mContext);
+ if (LOGV) {
+ Log.v(TAG, "setStatsProviderWarningAndLimitAsync("
+ + iface + "," + warning + "," + limit + ")");
}
-
- @Override
- public NetworkStats getNetworkUidBytes(NetworkTemplate template, long start, long end) {
- Trace.traceBegin(TRACE_TAG_NETWORK, "getNetworkUidBytes");
- try {
- return NetworkStatsService.this.getNetworkUidBytes(template, start, end);
- } finally {
- Trace.traceEnd(TRACE_TAG_NETWORK);
- }
- }
-
- @Override
- public void setUidForeground(int uid, boolean uidForeground) {
- NetworkStatsService.this.setUidForeground(uid, uidForeground);
- }
-
- @Override
- public void advisePersistThreshold(long thresholdBytes) {
- NetworkStatsService.this.advisePersistThreshold(thresholdBytes);
- }
-
- @Override
- public void forceUpdate() {
- NetworkStatsService.this.forceUpdate();
- }
-
- @Override
- public void setStatsProviderWarningAndLimitAsync(
- @NonNull String iface, long warning, long limit) {
- if (LOGV) {
- Log.v(TAG, "setStatsProviderWarningAndLimitAsync("
- + iface + "," + warning + "," + limit + ")");
- }
- invokeForAllStatsProviderCallbacks((cb) -> cb.mProvider.onSetWarningAndLimit(iface,
- warning, limit));
- }
+ invokeForAllStatsProviderCallbacks((cb) -> cb.mProvider.onSetWarningAndLimit(iface,
+ warning, limit));
}
@Override
@@ -1956,13 +2203,29 @@
*/
// TODO: Remove this by implementing {@link NetworkStatsProvider} for non-offloaded
// tethering stats.
- private NetworkStats getNetworkStatsTethering(int how) throws RemoteException {
+ private @NonNull NetworkStats getNetworkStatsTethering(int how) throws RemoteException {
+ // We only need to return per-UID stats. Per-device stats are already counted by
+ // interface counters.
+ if (how != STATS_PER_UID) {
+ return new NetworkStats(SystemClock.elapsedRealtime(), 0);
+ }
+
+ final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 1);
try {
- return mNetworkManager.getNetworkStatsTethering(how);
+ final TetherStatsParcel[] tetherStatsParcels = mNetd.tetherGetStats();
+ for (TetherStatsParcel tetherStats : tetherStatsParcels) {
+ try {
+ stats.combineValues(new NetworkStats.Entry(tetherStats.iface, UID_TETHERING,
+ SET_DEFAULT, TAG_NONE, tetherStats.rxBytes, tetherStats.rxPackets,
+ tetherStats.txBytes, tetherStats.txPackets, 0L));
+ } catch (ArrayIndexOutOfBoundsException e) {
+ throw new IllegalStateException("invalid tethering stats " + e);
+ }
+ }
} catch (IllegalStateException e) {
Log.wtf(TAG, "problem reading network stats", e);
- return new NetworkStats(0L, 10);
}
+ return stats;
}
// TODO: It is copied from ConnectivityService, consider refactor these check permission
@@ -2001,10 +2264,12 @@
NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK);
Objects.requireNonNull(provider, "provider is null");
Objects.requireNonNull(tag, "tag is null");
+ final NetworkPolicyManager netPolicyManager = mContext
+ .getSystemService(NetworkPolicyManager.class);
try {
NetworkStatsProviderCallbackImpl callback = new NetworkStatsProviderCallbackImpl(
tag, provider, mStatsProviderSem, mAlertObserver,
- mStatsProviderCbList);
+ mStatsProviderCbList, netPolicyManager);
mStatsProviderCbList.add(callback);
Log.d(TAG, "registerNetworkStatsProvider from " + callback.mTag + " uid/pid="
+ getCallingUid() + "/" + getCallingPid());
@@ -2044,8 +2309,9 @@
@NonNull final INetworkStatsProvider mProvider;
@NonNull private final Semaphore mSemaphore;
- @NonNull final INetworkManagementEventObserver mAlertObserver;
+ @NonNull final AlertObserver mAlertObserver;
@NonNull final CopyOnWriteArrayList<NetworkStatsProviderCallbackImpl> mStatsProviderCbList;
+ @NonNull final NetworkPolicyManager mNetworkPolicyManager;
@NonNull private final Object mProviderStatsLock = new Object();
@@ -2058,8 +2324,9 @@
NetworkStatsProviderCallbackImpl(
@NonNull String tag, @NonNull INetworkStatsProvider provider,
@NonNull Semaphore semaphore,
- @NonNull INetworkManagementEventObserver alertObserver,
- @NonNull CopyOnWriteArrayList<NetworkStatsProviderCallbackImpl> cbList)
+ @NonNull AlertObserver alertObserver,
+ @NonNull CopyOnWriteArrayList<NetworkStatsProviderCallbackImpl> cbList,
+ @NonNull NetworkPolicyManager networkPolicyManager)
throws RemoteException {
mTag = tag;
mProvider = provider;
@@ -2067,6 +2334,7 @@
mSemaphore = semaphore;
mAlertObserver = alertObserver;
mStatsProviderCbList = cbList;
+ mNetworkPolicyManager = networkPolicyManager;
}
@NonNull
@@ -2106,15 +2374,14 @@
// This binder object can only have been obtained by a process that holds
// NETWORK_STATS_PROVIDER. Thus, no additional permission check is required.
BinderUtils.withCleanCallingIdentity(() ->
- mAlertObserver.limitReached(LIMIT_GLOBAL_ALERT, null /* unused */));
+ mAlertObserver.onQuotaLimitReached(LIMIT_GLOBAL_ALERT, null /* unused */));
}
@Override
public void notifyWarningOrLimitReached() {
Log.d(TAG, mTag + ": notifyWarningOrLimitReached");
BinderUtils.withCleanCallingIdentity(() ->
- LocalServices.getService(NetworkPolicyManagerInternal.class)
- .onStatsProviderWarningOrLimitReached(mTag));
+ mNetworkPolicyManager.notifyStatsProviderWarningOrLimitReached());
}
@Override
@@ -2173,24 +2440,11 @@
* {@link android.provider.Settings.Global}.
*/
private static class DefaultNetworkStatsSettings implements NetworkStatsSettings {
- private final ContentResolver mResolver;
-
- public DefaultNetworkStatsSettings(Context context) {
- mResolver = Objects.requireNonNull(context.getContentResolver());
- // TODO: adjust these timings for production builds
- }
-
- private long getGlobalLong(String name, long def) {
- return Settings.Global.getLong(mResolver, name, def);
- }
- private boolean getGlobalBoolean(String name, boolean def) {
- final int defInt = def ? 1 : 0;
- return Settings.Global.getInt(mResolver, name, defInt) != 0;
- }
+ DefaultNetworkStatsSettings() {}
@Override
public long getPollInterval() {
- return getGlobalLong(NETSTATS_POLL_INTERVAL, 30 * MINUTE_IN_MILLIS);
+ return 30 * MINUTE_IN_MILLIS;
}
@Override
public long getPollDelay() {
@@ -2198,25 +2452,23 @@
}
@Override
public long getGlobalAlertBytes(long def) {
- return getGlobalLong(NETSTATS_GLOBAL_ALERT_BYTES, def);
+ return def;
}
@Override
public boolean getSampleEnabled() {
- return getGlobalBoolean(NETSTATS_SAMPLE_ENABLED, true);
+ return true;
}
@Override
public boolean getAugmentEnabled() {
- return getGlobalBoolean(NETSTATS_AUGMENT_ENABLED, true);
+ return true;
}
@Override
public boolean getCombineSubtypeEnabled() {
- return getGlobalBoolean(NETSTATS_COMBINE_SUBTYPE_ENABLED, false);
+ return false;
}
@Override
public Config getDevConfig() {
- return new Config(getGlobalLong(NETSTATS_DEV_BUCKET_DURATION, HOUR_IN_MILLIS),
- getGlobalLong(NETSTATS_DEV_ROTATE_AGE, 15 * DAY_IN_MILLIS),
- getGlobalLong(NETSTATS_DEV_DELETE_AGE, 90 * DAY_IN_MILLIS));
+ return new Config(HOUR_IN_MILLIS, 15 * DAY_IN_MILLIS, 90 * DAY_IN_MILLIS);
}
@Override
public Config getXtConfig() {
@@ -2224,31 +2476,27 @@
}
@Override
public Config getUidConfig() {
- return new Config(getGlobalLong(NETSTATS_UID_BUCKET_DURATION, 2 * HOUR_IN_MILLIS),
- getGlobalLong(NETSTATS_UID_ROTATE_AGE, 15 * DAY_IN_MILLIS),
- getGlobalLong(NETSTATS_UID_DELETE_AGE, 90 * DAY_IN_MILLIS));
+ return new Config(2 * HOUR_IN_MILLIS, 15 * DAY_IN_MILLIS, 90 * DAY_IN_MILLIS);
}
@Override
public Config getUidTagConfig() {
- return new Config(getGlobalLong(NETSTATS_UID_TAG_BUCKET_DURATION, 2 * HOUR_IN_MILLIS),
- getGlobalLong(NETSTATS_UID_TAG_ROTATE_AGE, 5 * DAY_IN_MILLIS),
- getGlobalLong(NETSTATS_UID_TAG_DELETE_AGE, 15 * DAY_IN_MILLIS));
+ return new Config(2 * HOUR_IN_MILLIS, 5 * DAY_IN_MILLIS, 15 * DAY_IN_MILLIS);
}
@Override
public long getDevPersistBytes(long def) {
- return getGlobalLong(NETSTATS_DEV_PERSIST_BYTES, def);
+ return def;
}
@Override
public long getXtPersistBytes(long def) {
- return getDevPersistBytes(def);
+ return def;
}
@Override
public long getUidPersistBytes(long def) {
- return getGlobalLong(NETSTATS_UID_PERSIST_BYTES, def);
+ return def;
}
@Override
public long getUidTagPersistBytes(long def) {
- return getGlobalLong(NETSTATS_UID_TAG_PERSIST_BYTES, def);
+ return def;
}
}
diff --git a/service-t/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java b/service-t/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
index 4875f1c..5bba0b1 100644
--- a/service-t/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
+++ b/service-t/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
@@ -16,15 +16,14 @@
package com.android.server.net;
-import static android.net.NetworkTemplate.NETWORK_TYPE_5G_NSA;
-import static android.net.NetworkTemplate.getCollapsedRatType;
+import static android.app.usage.NetworkStatsManager.NETWORK_TYPE_5G_NSA;
+import static android.app.usage.NetworkStatsManager.getCollapsedRatType;
import static android.telephony.TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_ADVANCED;
import static android.telephony.TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_NSA;
import static android.telephony.TelephonyManager.NETWORK_TYPE_LTE;
import android.annotation.NonNull;
import android.content.Context;
-import android.telephony.Annotation;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyCallback;
import android.telephony.TelephonyDisplayInfo;
@@ -57,10 +56,9 @@
*
* @param subscriberId IMSI of the subscription.
* @param collapsedRatType collapsed RAT type.
- * @see android.net.NetworkTemplate#getCollapsedRatType(int).
+ * @see android.app.usage.NetworkStatsManager#getCollapsedRatType(int).
*/
- void onCollapsedRatTypeChanged(@NonNull String subscriberId,
- @Annotation.NetworkType int collapsedRatType);
+ void onCollapsedRatTypeChanged(@NonNull String subscriberId, int collapsedRatType);
}
private final Delegate mDelegate;
diff --git a/service-t/src/com/android/server/net/StatsMapKey.java b/service-t/src/com/android/server/net/StatsMapKey.java
new file mode 100644
index 0000000..ea8d836
--- /dev/null
+++ b/service-t/src/com/android/server/net/StatsMapKey.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 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.net;
+
+import com.android.net.module.util.Struct;
+import com.android.net.module.util.Struct.Field;
+import com.android.net.module.util.Struct.Type;
+
+/**
+ * Key for both stats maps.
+ */
+public class StatsMapKey extends Struct {
+ @Field(order = 0, type = Type.U32)
+ public final long uid;
+
+ @Field(order = 1, type = Type.U32)
+ public final long tag;
+
+ @Field(order = 2, type = Type.U32)
+ public final long counterSet;
+
+ @Field(order = 3, type = Type.U32)
+ public final long ifaceIndex;
+
+ public StatsMapKey(final long uid, final long tag, final long counterSet,
+ final long ifaceIndex) {
+ this.uid = uid;
+ this.tag = tag;
+ this.counterSet = counterSet;
+ this.ifaceIndex = ifaceIndex;
+ }
+}
diff --git a/service-t/src/com/android/server/net/StatsMapValue.java b/service-t/src/com/android/server/net/StatsMapValue.java
new file mode 100644
index 0000000..48f26ce
--- /dev/null
+++ b/service-t/src/com/android/server/net/StatsMapValue.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 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.net;
+
+import com.android.net.module.util.Struct;
+import com.android.net.module.util.Struct.Field;
+import com.android.net.module.util.Struct.Type;
+
+/**
+ * Value used for both stats maps and uid stats map.
+ */
+public class StatsMapValue extends Struct {
+ @Field(order = 0, type = Type.U63)
+ public final long rxPackets;
+
+ @Field(order = 1, type = Type.U63)
+ public final long rxBytes;
+
+ @Field(order = 2, type = Type.U63)
+ public final long txPackets;
+
+ @Field(order = 3, type = Type.U63)
+ public final long txBytes;
+
+ public StatsMapValue(final long rxPackets, final long rxBytes, final long txPackets,
+ final long txBytes) {
+ this.rxPackets = rxPackets;
+ this.rxBytes = rxBytes;
+ this.txPackets = txPackets;
+ this.txBytes = txBytes;
+ }
+}
diff --git a/service-t/src/com/android/server/net/UidStatsMapKey.java b/service-t/src/com/android/server/net/UidStatsMapKey.java
new file mode 100644
index 0000000..2849f94
--- /dev/null
+++ b/service-t/src/com/android/server/net/UidStatsMapKey.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2022 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.net;
+
+import com.android.net.module.util.Struct;
+import com.android.net.module.util.Struct.Field;
+import com.android.net.module.util.Struct.Type;
+
+/**
+ * Key for uid stats map.
+ */
+public class UidStatsMapKey extends Struct {
+ @Field(order = 0, type = Type.U32)
+ public final long uid;
+
+ public UidStatsMapKey(final long uid) {
+ this.uid = uid;
+ }
+}
diff --git a/services/core/jni/com_android_server_net_NetworkStatsService.cpp b/services/core/jni/com_android_server_net_NetworkStatsService.cpp
index 5178132..39cbaf7 100644
--- a/services/core/jni/com_android_server_net_NetworkStatsService.cpp
+++ b/services/core/jni/com_android_server_net_NetworkStatsService.cpp
@@ -16,20 +16,18 @@
#define LOG_TAG "NetworkStatsNative"
+#include <cutils/qtaguid.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#include "core_jni_helpers.h"
#include <jni.h>
#include <nativehelper/ScopedUtfChars.h>
-#include <utils/misc.h>
+#include <sys/stat.h>
+#include <sys/types.h>
#include <utils/Log.h>
+#include <utils/misc.h>
-#include "android-base/unique_fd.h"
#include "bpf/BpfUtils.h"
#include "netdbpf/BpfNetworkStats.h"