Merge "[MS06] Add carrier template fields into cloud backup/restore"
diff --git a/core/java/android/net/nsd/INsdManager.aidl b/core/java/android/net/nsd/INsdManager.aidl
index e9e8935..89e9cdb 100644
--- a/core/java/android/net/nsd/INsdManager.aidl
+++ b/core/java/android/net/nsd/INsdManager.aidl
@@ -1,5 +1,5 @@
/**
- * Copyright (c) 2012, The Android Open Source Project
+ * 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.
@@ -16,16 +16,15 @@
package android.net.nsd;
+import android.net.nsd.INsdManagerCallback;
+import android.net.nsd.INsdServiceConnector;
import android.os.Messenger;
/**
- * Interface that NsdService implements
+ * Interface that NsdService implements to connect NsdManager clients.
*
* {@hide}
*/
-interface INsdManager
-{
- @UnsupportedAppUsage(maxTargetSdk = 30, trackingBug = 170729553)
- Messenger getMessenger();
- void setEnabled(boolean enable);
+interface INsdManager {
+ INsdServiceConnector connect(INsdManagerCallback cb);
}
diff --git a/core/java/android/net/nsd/INsdManagerCallback.aidl b/core/java/android/net/nsd/INsdManagerCallback.aidl
new file mode 100644
index 0000000..1a262ec
--- /dev/null
+++ b/core/java/android/net/nsd/INsdManagerCallback.aidl
@@ -0,0 +1,39 @@
+/**
+ * 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.nsd;
+
+import android.os.Messenger;
+import android.net.nsd.NsdServiceInfo;
+
+/**
+ * Callbacks from NsdService to NsdManager
+ * @hide
+ */
+oneway interface INsdManagerCallback {
+ void onDiscoverServicesStarted(int listenerKey, in NsdServiceInfo info);
+ void onDiscoverServicesFailed(int listenerKey, int error);
+ void onServiceFound(int listenerKey, in NsdServiceInfo info);
+ void onServiceLost(int listenerKey, in NsdServiceInfo info);
+ void onStopDiscoveryFailed(int listenerKey, int error);
+ void onStopDiscoverySucceeded(int listenerKey);
+ void onRegisterServiceFailed(int listenerKey, int error);
+ void onRegisterServiceSucceeded(int listenerKey, in NsdServiceInfo info);
+ void onUnregisterServiceFailed(int listenerKey, int error);
+ void onUnregisterServiceSucceeded(int listenerKey);
+ void onResolveServiceFailed(int listenerKey, int error);
+ void onResolveServiceSucceeded(int listenerKey, in NsdServiceInfo info);
+}
diff --git a/core/java/android/net/nsd/INsdServiceConnector.aidl b/core/java/android/net/nsd/INsdServiceConnector.aidl
new file mode 100644
index 0000000..b06ae55
--- /dev/null
+++ b/core/java/android/net/nsd/INsdServiceConnector.aidl
@@ -0,0 +1,35 @@
+/**
+ * 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.nsd;
+
+import android.net.nsd.INsdManagerCallback;
+import android.net.nsd.NsdServiceInfo;
+import android.os.Messenger;
+
+/**
+ * Interface that NsdService implements for each NsdManager client.
+ *
+ * {@hide}
+ */
+interface INsdServiceConnector {
+ void registerService(int listenerKey, in NsdServiceInfo serviceInfo);
+ void unregisterService(int listenerKey);
+ void discoverServices(int listenerKey, in NsdServiceInfo serviceInfo);
+ void stopDiscovery(int listenerKey);
+ void resolveService(int listenerKey, in NsdServiceInfo serviceInfo);
+ void startDaemon();
+}
\ No newline at end of file
diff --git a/core/java/android/net/nsd/NsdManager.java b/core/java/android/net/nsd/NsdManager.java
index ae8d010..6c597e2 100644
--- a/core/java/android/net/nsd/NsdManager.java
+++ b/core/java/android/net/nsd/NsdManager.java
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2012 The Android Open Source Project
+ * 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.
@@ -31,17 +31,13 @@
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
-import android.os.Messenger;
import android.os.RemoteException;
import android.util.Log;
import android.util.SparseArray;
import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.AsyncChannel;
import com.android.internal.util.Protocol;
-import java.util.concurrent.CountDownLatch;
-
/**
* The Network Service Discovery Manager class provides the API to discover services
* on a network. As an example, if device A and device B are connected over a Wi-Fi
@@ -234,6 +230,11 @@
/** @hide */
public static final int NATIVE_DAEMON_EVENT = BASE + 26;
+ /** @hide */
+ public static final int REGISTER_CLIENT = BASE + 27;
+ /** @hide */
+ public static final int UNREGISTER_CLIENT = BASE + 28;
+
/** Dns based service discovery protocol */
public static final int PROTOCOL_DNS_SD = 0x0001;
@@ -274,7 +275,7 @@
private static final int FIRST_LISTENER_KEY = 1;
- private final INsdManager mService;
+ private final INsdServiceConnector mService;
private final Context mContext;
private int mListenerKey = FIRST_LISTENER_KEY;
@@ -282,9 +283,7 @@
private final SparseArray<NsdServiceInfo> mServiceMap = new SparseArray<>();
private final Object mMapLock = new Object();
- private final AsyncChannel mAsyncChannel = new AsyncChannel();
- private ServiceHandler mHandler;
- private final CountDownLatch mConnected = new CountDownLatch(1);
+ private final ServiceHandler mHandler;
/**
* Create a new Nsd instance. Applications use
@@ -295,18 +294,108 @@
* is a system private class.
*/
public NsdManager(Context context, INsdManager service) {
- mService = service;
mContext = context;
- init();
+
+ HandlerThread t = new HandlerThread("NsdManager");
+ t.start();
+ mHandler = new ServiceHandler(t.getLooper());
+
+ try {
+ mService = service.connect(new NsdCallbackImpl(mHandler));
+ } catch (RemoteException e) {
+ throw new RuntimeException("Failed to connect to NsdService");
+ }
+
+ // Only proactively start the daemon if the target SDK < S, otherwise the internal service
+ // would automatically start/stop the native daemon as needed.
+ if (!CompatChanges.isChangeEnabled(RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)) {
+ try {
+ mService.startDaemon();
+ } catch (RemoteException e) {
+ Log.e(TAG, "Failed to proactively start daemon");
+ // Continue: the daemon can still be started on-demand later
+ }
+ }
}
- /**
- * @hide
- */
- @VisibleForTesting
- public void disconnect() {
- mAsyncChannel.disconnect();
- mHandler.getLooper().quitSafely();
+ private static class NsdCallbackImpl extends INsdManagerCallback.Stub {
+ private final Handler mServHandler;
+
+ NsdCallbackImpl(Handler serviceHandler) {
+ mServHandler = serviceHandler;
+ }
+
+ private void sendInfo(int message, int listenerKey, NsdServiceInfo info) {
+ mServHandler.sendMessage(mServHandler.obtainMessage(message, 0, listenerKey, info));
+ }
+
+ private void sendError(int message, int listenerKey, int error) {
+ mServHandler.sendMessage(mServHandler.obtainMessage(message, error, listenerKey));
+ }
+
+ private void sendNoArg(int message, int listenerKey) {
+ mServHandler.sendMessage(mServHandler.obtainMessage(message, 0, listenerKey));
+ }
+
+ @Override
+ public void onDiscoverServicesStarted(int listenerKey, NsdServiceInfo info) {
+ sendInfo(DISCOVER_SERVICES_STARTED, listenerKey, info);
+ }
+
+ @Override
+ public void onDiscoverServicesFailed(int listenerKey, int error) {
+ sendError(DISCOVER_SERVICES_FAILED, listenerKey, error);
+ }
+
+ @Override
+ public void onServiceFound(int listenerKey, NsdServiceInfo info) {
+ sendInfo(SERVICE_FOUND, listenerKey, info);
+ }
+
+ @Override
+ public void onServiceLost(int listenerKey, NsdServiceInfo info) {
+ sendInfo(SERVICE_LOST, listenerKey, info);
+ }
+
+ @Override
+ public void onStopDiscoveryFailed(int listenerKey, int error) {
+ sendError(STOP_DISCOVERY_FAILED, listenerKey, error);
+ }
+
+ @Override
+ public void onStopDiscoverySucceeded(int listenerKey) {
+ sendNoArg(STOP_DISCOVERY_SUCCEEDED, listenerKey);
+ }
+
+ @Override
+ public void onRegisterServiceFailed(int listenerKey, int error) {
+ sendError(REGISTER_SERVICE_FAILED, listenerKey, error);
+ }
+
+ @Override
+ public void onRegisterServiceSucceeded(int listenerKey, NsdServiceInfo info) {
+ sendInfo(REGISTER_SERVICE_SUCCEEDED, listenerKey, info);
+ }
+
+ @Override
+ public void onUnregisterServiceFailed(int listenerKey, int error) {
+ sendError(UNREGISTER_SERVICE_FAILED, listenerKey, error);
+ }
+
+ @Override
+ public void onUnregisterServiceSucceeded(int listenerKey) {
+ sendNoArg(UNREGISTER_SERVICE_SUCCEEDED, listenerKey);
+ }
+
+ @Override
+ public void onResolveServiceFailed(int listenerKey, int error) {
+ sendError(RESOLVE_SERVICE_FAILED, listenerKey, error);
+ }
+
+ @Override
+ public void onResolveServiceSucceeded(int listenerKey, NsdServiceInfo info) {
+ sendInfo(RESOLVE_SERVICE_SUCCEEDED, listenerKey, info);
+ }
}
/**
@@ -376,19 +465,6 @@
public void handleMessage(Message message) {
final int what = message.what;
final int key = message.arg2;
- switch (what) {
- case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED:
- mAsyncChannel.sendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION);
- return;
- case AsyncChannel.CMD_CHANNEL_FULLY_CONNECTED:
- mConnected.countDown();
- return;
- case AsyncChannel.CMD_CHANNEL_DISCONNECTED:
- Log.e(TAG, "Channel lost");
- return;
- default:
- break;
- }
final Object listener;
final NsdServiceInfo ns;
synchronized (mMapLock) {
@@ -504,36 +580,6 @@
}
/**
- * Initialize AsyncChannel
- */
- private void init() {
- final Messenger messenger = getMessenger();
- if (messenger == null) {
- fatal("Failed to obtain service Messenger");
- }
- HandlerThread t = new HandlerThread("NsdManager");
- t.start();
- mHandler = new ServiceHandler(t.getLooper());
- mAsyncChannel.connect(mContext, mHandler, messenger);
- try {
- mConnected.await();
- } catch (InterruptedException e) {
- fatal("Interrupted wait at init");
- }
- if (CompatChanges.isChangeEnabled(RUN_NATIVE_NSD_ONLY_IF_LEGACY_APPS)) {
- return;
- }
- // Only proactively start the daemon if the target SDK < S, otherwise the internal service
- // would automatically start/stop the native daemon as needed.
- mAsyncChannel.sendMessage(DAEMON_STARTUP);
- }
-
- private static void fatal(String msg) {
- Log.e(TAG, msg);
- throw new RuntimeException(msg);
- }
-
- /**
* Register a service to be discovered by other services.
*
* <p> The function call immediately returns after sending a request to register service
@@ -556,7 +602,11 @@
checkServiceInfo(serviceInfo);
checkProtocol(protocolType);
int key = putListener(listener, serviceInfo);
- mAsyncChannel.sendMessage(REGISTER_SERVICE, 0, key, serviceInfo);
+ try {
+ mService.registerService(key, serviceInfo);
+ } catch (RemoteException e) {
+ e.rethrowFromSystemServer();
+ }
}
/**
@@ -574,7 +624,11 @@
*/
public void unregisterService(RegistrationListener listener) {
int id = getListenerKey(listener);
- mAsyncChannel.sendMessage(UNREGISTER_SERVICE, 0, id);
+ try {
+ mService.unregisterService(id);
+ } catch (RemoteException e) {
+ e.rethrowFromSystemServer();
+ }
}
/**
@@ -613,7 +667,11 @@
s.setServiceType(serviceType);
int key = putListener(listener, s);
- mAsyncChannel.sendMessage(DISCOVER_SERVICES, 0, key, s);
+ try {
+ mService.discoverServices(key, s);
+ } catch (RemoteException e) {
+ e.rethrowFromSystemServer();
+ }
}
/**
@@ -634,7 +692,11 @@
*/
public void stopServiceDiscovery(DiscoveryListener listener) {
int id = getListenerKey(listener);
- mAsyncChannel.sendMessage(STOP_DISCOVERY, 0, id);
+ try {
+ mService.stopDiscovery(id);
+ } catch (RemoteException e) {
+ e.rethrowFromSystemServer();
+ }
}
/**
@@ -649,29 +711,10 @@
public void resolveService(NsdServiceInfo serviceInfo, ResolveListener listener) {
checkServiceInfo(serviceInfo);
int key = putListener(listener, serviceInfo);
- mAsyncChannel.sendMessage(RESOLVE_SERVICE, 0, key, serviceInfo);
- }
-
- /** Internal use only @hide */
- public void setEnabled(boolean enabled) {
try {
- mService.setEnabled(enabled);
+ mService.resolveService(key, serviceInfo);
} catch (RemoteException e) {
- throw e.rethrowFromSystemServer();
- }
- }
-
- /**
- * Get a reference to NsdService handler. This is used to establish
- * an AsyncChannel communication with the service
- *
- * @return Messenger pointing to the NsdService handler
- */
- private Messenger getMessenger() {
- try {
- return mService.getMessenger();
- } catch (RemoteException e) {
- throw e.rethrowFromSystemServer();
+ e.rethrowFromSystemServer();
}
}
diff --git a/core/java/android/net/nsd/NsdServiceInfo.aidl b/core/java/android/net/nsd/NsdServiceInfo.aidl
new file mode 100644
index 0000000..657bdd1
--- /dev/null
+++ b/core/java/android/net/nsd/NsdServiceInfo.aidl
@@ -0,0 +1,19 @@
+/*
+ * 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.nsd;
+
+@JavaOnlyStableParcelable parcelable NsdServiceInfo;
\ No newline at end of file
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index c9608a5..3e02084 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2010 The Android Open Source Project
+ * 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.
@@ -20,24 +20,27 @@
import android.content.Context;
import android.content.Intent;
import android.database.ContentObserver;
-import android.net.NetworkStack;
import android.net.Uri;
import android.net.nsd.INsdManager;
+import android.net.nsd.INsdManagerCallback;
+import android.net.nsd.INsdServiceConnector;
import android.net.nsd.NsdManager;
import android.net.nsd.NsdServiceInfo;
import android.os.Handler;
import android.os.HandlerThread;
+import android.os.IBinder;
import android.os.Message;
-import android.os.Messenger;
+import android.os.RemoteException;
import android.os.UserHandle;
import android.provider.Settings;
import android.util.Base64;
+import android.util.Log;
+import android.util.Pair;
import android.util.Slog;
import android.util.SparseArray;
import android.util.SparseIntArray;
import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.AsyncChannel;
import com.android.internal.util.DumpUtils;
import com.android.internal.util.State;
import com.android.internal.util.StateMachine;
@@ -72,12 +75,11 @@
/**
* Clients receiving asynchronous messages
*/
- private final HashMap<Messenger, ClientInfo> mClients = new HashMap<>();
+ private final HashMap<NsdServiceConnector, ClientInfo> mClients = new HashMap<>();
/* A map from unique id to client info */
private final SparseArray<ClientInfo> mIdToClientInfoMap= new SparseArray<>();
- private final AsyncChannel mReplyChannel = new AsyncChannel();
private final long mCleanupDelayMs;
private static final int INVALID_ID = 0;
@@ -149,65 +151,66 @@
class DefaultState extends State {
@Override
public boolean processMessage(Message msg) {
- ClientInfo cInfo = null;
+ final ClientInfo cInfo;
+ final int clientId = msg.arg2;
switch (msg.what) {
- case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED:
- if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) {
- AsyncChannel c = (AsyncChannel) msg.obj;
- if (DBG) Slog.d(TAG, "New client listening to asynchronous messages");
- c.sendMessage(AsyncChannel.CMD_CHANNEL_FULLY_CONNECTED);
- cInfo = new ClientInfo(c, msg.replyTo);
- mClients.put(msg.replyTo, cInfo);
- } else {
- Slog.e(TAG, "Client connection failure, error=" + msg.arg1);
+ case NsdManager.REGISTER_CLIENT:
+ final Pair<NsdServiceConnector, INsdManagerCallback> arg =
+ (Pair<NsdServiceConnector, INsdManagerCallback>) msg.obj;
+ final INsdManagerCallback cb = arg.second;
+ try {
+ cb.asBinder().linkToDeath(arg.first, 0);
+ cInfo = new ClientInfo(cb);
+ mClients.put(arg.first, cInfo);
+ } catch (RemoteException e) {
+ Log.w(TAG, "Client " + clientId + " has already died");
}
break;
- case AsyncChannel.CMD_CHANNEL_DISCONNECTED:
- switch (msg.arg1) {
- case AsyncChannel.STATUS_SEND_UNSUCCESSFUL:
- Slog.e(TAG, "Send failed, client connection lost");
- break;
- case AsyncChannel.STATUS_REMOTE_DISCONNECTION:
- if (DBG) Slog.d(TAG, "Client disconnected");
- break;
- default:
- if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1);
- break;
- }
-
- cInfo = mClients.get(msg.replyTo);
+ case NsdManager.UNREGISTER_CLIENT:
+ final NsdServiceConnector connector = (NsdServiceConnector) msg.obj;
+ cInfo = mClients.remove(connector);
if (cInfo != null) {
cInfo.expungeAllRequests();
- mClients.remove(msg.replyTo);
if (cInfo.isLegacy()) {
mLegacyClientCount -= 1;
}
}
maybeScheduleStop();
break;
- case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION:
- AsyncChannel ac = new AsyncChannel();
- ac.connect(mContext, getHandler(), msg.replyTo);
- break;
case NsdManager.DISCOVER_SERVICES:
- replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ cInfo = getClientInfoForReply(msg);
+ if (cInfo != null) {
+ cInfo.onDiscoverServicesFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
+ }
break;
case NsdManager.STOP_DISCOVERY:
- replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ cInfo = getClientInfoForReply(msg);
+ if (cInfo != null) {
+ cInfo.onStopDiscoveryFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
+ }
break;
case NsdManager.REGISTER_SERVICE:
- replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ cInfo = getClientInfoForReply(msg);
+ if (cInfo != null) {
+ cInfo.onRegisterServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
+ }
break;
case NsdManager.UNREGISTER_SERVICE:
- replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ cInfo = getClientInfoForReply(msg);
+ if (cInfo != null) {
+ cInfo.onUnregisterServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
+ }
break;
case NsdManager.RESOLVE_SERVICE:
- replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ cInfo = getClientInfoForReply(msg);
+ if (cInfo != null) {
+ cInfo.onResolveServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
+ }
break;
case NsdManager.DAEMON_CLEANUP:
mDaemon.maybeStop();
@@ -215,7 +218,7 @@
// This event should be only sent by the legacy (target SDK < S) clients.
// Mark the sending client as legacy.
case NsdManager.DAEMON_STARTUP:
- cInfo = mClients.get(msg.replyTo);
+ cInfo = getClientInfoForReply(msg);
if (cInfo != null) {
cancelStop();
cInfo.setLegacy();
@@ -230,6 +233,11 @@
}
return HANDLED;
}
+
+ private ClientInfo getClientInfoForReply(Message msg) {
+ final ListenerArgs args = (ListenerArgs) msg.obj;
+ return mClients.get(args.connector);
+ }
}
class DisabledState extends State {
@@ -289,122 +297,119 @@
@Override
public boolean processMessage(Message msg) {
- ClientInfo clientInfo;
- NsdServiceInfo servInfo;
- int id;
+ final ClientInfo clientInfo;
+ final int id;
+ final int clientId = msg.arg2;
+ final ListenerArgs args;
switch (msg.what) {
- case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED:
- return NOT_HANDLED;
- case AsyncChannel.CMD_CHANNEL_DISCONNECTED:
- return NOT_HANDLED;
case NsdManager.DISABLE:
//TODO: cleanup clients
transitionTo(mDisabledState);
break;
case NsdManager.DISCOVER_SERVICES:
if (DBG) Slog.d(TAG, "Discover services");
- servInfo = (NsdServiceInfo) msg.obj;
- clientInfo = mClients.get(msg.replyTo);
+ args = (ListenerArgs) msg.obj;
+ clientInfo = mClients.get(args.connector);
if (requestLimitReached(clientInfo)) {
- replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED,
- NsdManager.FAILURE_MAX_LIMIT);
+ clientInfo.onDiscoverServicesFailed(
+ clientId, NsdManager.FAILURE_MAX_LIMIT);
break;
}
maybeStartDaemon();
id = getUniqueId();
- if (discoverServices(id, servInfo.getServiceType())) {
+ if (discoverServices(id, args.serviceInfo.getServiceType())) {
if (DBG) {
Slog.d(TAG, "Discover " + msg.arg2 + " " + id +
- servInfo.getServiceType());
+ args.serviceInfo.getServiceType());
}
- storeRequestMap(msg.arg2, id, clientInfo, msg.what);
- replyToMessage(msg, NsdManager.DISCOVER_SERVICES_STARTED, servInfo);
+ storeRequestMap(clientId, id, clientInfo, msg.what);
+ clientInfo.onDiscoverServicesStarted(clientId, args.serviceInfo);
} else {
stopServiceDiscovery(id);
- replyToMessage(msg, NsdManager.DISCOVER_SERVICES_FAILED,
+ clientInfo.onDiscoverServicesFailed(clientId,
NsdManager.FAILURE_INTERNAL_ERROR);
}
break;
case NsdManager.STOP_DISCOVERY:
if (DBG) Slog.d(TAG, "Stop service discovery");
- clientInfo = mClients.get(msg.replyTo);
+ args = (ListenerArgs) msg.obj;
+ clientInfo = mClients.get(args.connector);
try {
- id = clientInfo.mClientIds.get(msg.arg2);
+ id = clientInfo.mClientIds.get(clientId);
} catch (NullPointerException e) {
- replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ clientInfo.onStopDiscoveryFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
break;
}
- removeRequestMap(msg.arg2, id, clientInfo);
+ removeRequestMap(clientId, id, clientInfo);
if (stopServiceDiscovery(id)) {
- replyToMessage(msg, NsdManager.STOP_DISCOVERY_SUCCEEDED);
+ clientInfo.onStopDiscoverySucceeded(clientId);
} else {
- replyToMessage(msg, NsdManager.STOP_DISCOVERY_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ clientInfo.onStopDiscoveryFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
}
break;
case NsdManager.REGISTER_SERVICE:
if (DBG) Slog.d(TAG, "Register service");
- clientInfo = mClients.get(msg.replyTo);
+ args = (ListenerArgs) msg.obj;
+ clientInfo = mClients.get(args.connector);
if (requestLimitReached(clientInfo)) {
- replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED,
- NsdManager.FAILURE_MAX_LIMIT);
+ clientInfo.onRegisterServiceFailed(
+ clientId, NsdManager.FAILURE_MAX_LIMIT);
break;
}
maybeStartDaemon();
id = getUniqueId();
- if (registerService(id, (NsdServiceInfo) msg.obj)) {
- if (DBG) Slog.d(TAG, "Register " + msg.arg2 + " " + id);
- storeRequestMap(msg.arg2, id, clientInfo, msg.what);
+ if (registerService(id, args.serviceInfo)) {
+ if (DBG) Slog.d(TAG, "Register " + clientId + " " + id);
+ storeRequestMap(clientId, id, clientInfo, msg.what);
// Return success after mDns reports success
} else {
unregisterService(id);
- replyToMessage(msg, NsdManager.REGISTER_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ clientInfo.onRegisterServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
}
break;
case NsdManager.UNREGISTER_SERVICE:
if (DBG) Slog.d(TAG, "unregister service");
- clientInfo = mClients.get(msg.replyTo);
- try {
- id = clientInfo.mClientIds.get(msg.arg2);
- } catch (NullPointerException e) {
- replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ args = (ListenerArgs) msg.obj;
+ clientInfo = mClients.get(args.connector);
+ if (clientInfo == null) {
+ Slog.e(TAG, "Unknown connector in unregistration");
break;
}
- removeRequestMap(msg.arg2, id, clientInfo);
+ id = clientInfo.mClientIds.get(clientId);
+ removeRequestMap(clientId, id, clientInfo);
if (unregisterService(id)) {
- replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_SUCCEEDED);
+ clientInfo.onUnregisterServiceSucceeded(clientId);
} else {
- replyToMessage(msg, NsdManager.UNREGISTER_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ clientInfo.onUnregisterServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
}
break;
case NsdManager.RESOLVE_SERVICE:
if (DBG) Slog.d(TAG, "Resolve service");
- servInfo = (NsdServiceInfo) msg.obj;
- clientInfo = mClients.get(msg.replyTo);
-
+ args = (ListenerArgs) msg.obj;
+ clientInfo = mClients.get(args.connector);
if (clientInfo.mResolvedService != null) {
- replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED,
- NsdManager.FAILURE_ALREADY_ACTIVE);
+ clientInfo.onResolveServiceFailed(
+ clientId, NsdManager.FAILURE_ALREADY_ACTIVE);
break;
}
maybeStartDaemon();
id = getUniqueId();
- if (resolveService(id, servInfo)) {
+ if (resolveService(id, args.serviceInfo)) {
clientInfo.mResolvedService = new NsdServiceInfo();
- storeRequestMap(msg.arg2, id, clientInfo, msg.what);
+ storeRequestMap(clientId, id, clientInfo, msg.what);
} else {
- replyToMessage(msg, NsdManager.RESOLVE_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR);
+ clientInfo.onResolveServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
}
break;
case NsdManager.NATIVE_DAEMON_EVENT:
@@ -449,30 +454,27 @@
case NativeResponseCode.SERVICE_FOUND:
/* NNN uniqueId serviceName regType domain */
servInfo = new NsdServiceInfo(cooked[2], cooked[3]);
- clientInfo.mChannel.sendMessage(NsdManager.SERVICE_FOUND, 0,
- clientId, servInfo);
+ clientInfo.onServiceFound(clientId, servInfo);
break;
case NativeResponseCode.SERVICE_LOST:
/* NNN uniqueId serviceName regType domain */
servInfo = new NsdServiceInfo(cooked[2], cooked[3]);
- clientInfo.mChannel.sendMessage(NsdManager.SERVICE_LOST, 0,
- clientId, servInfo);
+ clientInfo.onServiceLost(clientId, servInfo);
break;
case NativeResponseCode.SERVICE_DISCOVERY_FAILED:
/* NNN uniqueId errorCode */
- clientInfo.mChannel.sendMessage(NsdManager.DISCOVER_SERVICES_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR, clientId);
+ clientInfo.onDiscoverServicesFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
break;
case NativeResponseCode.SERVICE_REGISTERED:
/* NNN regId serviceName regType */
servInfo = new NsdServiceInfo(cooked[2], null);
- clientInfo.mChannel.sendMessage(NsdManager.REGISTER_SERVICE_SUCCEEDED,
- id, clientId, servInfo);
+ clientInfo.onRegisterServiceSucceeded(clientId, servInfo);
break;
case NativeResponseCode.SERVICE_REGISTRATION_FAILED:
/* NNN regId errorCode */
- clientInfo.mChannel.sendMessage(NsdManager.REGISTER_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR, clientId);
+ clientInfo.onRegisterServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
break;
case NativeResponseCode.SERVICE_UPDATED:
/* NNN regId */
@@ -511,8 +513,8 @@
if (getAddrInfo(id2, cooked[3])) {
storeRequestMap(clientId, id2, clientInfo, NsdManager.RESOLVE_SERVICE);
} else {
- clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR, clientId);
+ clientInfo.onResolveServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
clientInfo.mResolvedService = null;
}
break;
@@ -521,26 +523,26 @@
stopResolveService(id);
removeRequestMap(clientId, id, clientInfo);
clientInfo.mResolvedService = null;
- clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR, clientId);
+ clientInfo.onResolveServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
break;
case NativeResponseCode.SERVICE_GET_ADDR_FAILED:
/* NNN resolveId errorCode */
stopGetAddrInfo(id);
removeRequestMap(clientId, id, clientInfo);
clientInfo.mResolvedService = null;
- clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR, clientId);
+ clientInfo.onResolveServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
break;
case NativeResponseCode.SERVICE_GET_ADDR_SUCCESS:
/* NNN resolveId hostname ttl addr */
try {
clientInfo.mResolvedService.setHost(InetAddress.getByName(cooked[4]));
- clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_SUCCEEDED,
- 0, clientId, clientInfo.mResolvedService);
+ clientInfo.onResolveServiceSucceeded(
+ clientId, clientInfo.mResolvedService);
} catch (java.net.UnknownHostException e) {
- clientInfo.mChannel.sendMessage(NsdManager.RESOLVE_SERVICE_FAILED,
- NsdManager.FAILURE_INTERNAL_ERROR, clientId);
+ clientInfo.onResolveServiceFailed(
+ clientId, NsdManager.FAILURE_INTERNAL_ERROR);
}
stopGetAddrInfo(id);
removeRequestMap(clientId, id, clientInfo);
@@ -601,15 +603,71 @@
return service;
}
- public Messenger getMessenger() {
+ @Override
+ public INsdServiceConnector connect(INsdManagerCallback cb) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INTERNET, "NsdService");
- return new Messenger(mNsdStateMachine.getHandler());
+ final INsdServiceConnector connector = new NsdServiceConnector();
+ mNsdStateMachine.sendMessage(mNsdStateMachine.obtainMessage(
+ NsdManager.REGISTER_CLIENT, new Pair<>(connector, cb)));
+ return connector;
}
- public void setEnabled(boolean isEnabled) {
- NetworkStack.checkNetworkStackPermission(mContext);
- mNsdSettings.putEnabledStatus(isEnabled);
- notifyEnabled(isEnabled);
+ private static class ListenerArgs {
+ public final NsdServiceConnector connector;
+ public final NsdServiceInfo serviceInfo;
+ ListenerArgs(NsdServiceConnector connector, NsdServiceInfo serviceInfo) {
+ this.connector = connector;
+ this.serviceInfo = serviceInfo;
+ }
+ }
+
+ private class NsdServiceConnector extends INsdServiceConnector.Stub
+ implements IBinder.DeathRecipient {
+ @Override
+ public void registerService(int listenerKey, NsdServiceInfo serviceInfo) {
+ mNsdStateMachine.sendMessage(mNsdStateMachine.obtainMessage(
+ NsdManager.REGISTER_SERVICE, 0, listenerKey,
+ new ListenerArgs(this, serviceInfo)));
+ }
+
+ @Override
+ public void unregisterService(int listenerKey) {
+ mNsdStateMachine.sendMessage(mNsdStateMachine.obtainMessage(
+ NsdManager.UNREGISTER_SERVICE, 0, listenerKey,
+ new ListenerArgs(this, null)));
+ }
+
+ @Override
+ public void discoverServices(int listenerKey, NsdServiceInfo serviceInfo) {
+ mNsdStateMachine.sendMessage(mNsdStateMachine.obtainMessage(
+ NsdManager.DISCOVER_SERVICES, 0, listenerKey,
+ new ListenerArgs(this, serviceInfo)));
+ }
+
+ @Override
+ public void stopDiscovery(int listenerKey) {
+ mNsdStateMachine.sendMessage(mNsdStateMachine.obtainMessage(
+ NsdManager.STOP_DISCOVERY, 0, listenerKey, new ListenerArgs(this, null)));
+ }
+
+ @Override
+ public void resolveService(int listenerKey, NsdServiceInfo serviceInfo) {
+ mNsdStateMachine.sendMessage(mNsdStateMachine.obtainMessage(
+ NsdManager.RESOLVE_SERVICE, 0, listenerKey,
+ new ListenerArgs(this, serviceInfo)));
+ }
+
+ @Override
+ public void startDaemon() {
+ mNsdStateMachine.sendMessage(mNsdStateMachine.obtainMessage(
+ NsdManager.DAEMON_STARTUP, new ListenerArgs(this, null)));
+ }
+
+ @Override
+ public void binderDied() {
+ mNsdStateMachine.sendMessage(
+ mNsdStateMachine.obtainMessage(NsdManager.UNREGISTER_CLIENT, this));
+ }
}
private void notifyEnabled(boolean isEnabled) {
@@ -832,43 +890,11 @@
mNsdStateMachine.dump(fd, pw, args);
}
- /* arg2 on the source message has an id that needs to be retained in replies
- * see NsdManager for details */
- private Message obtainMessage(Message srcMsg) {
- Message msg = Message.obtain();
- msg.arg2 = srcMsg.arg2;
- return msg;
- }
-
- private void replyToMessage(Message msg, int what) {
- if (msg.replyTo == null) return;
- Message dstMsg = obtainMessage(msg);
- dstMsg.what = what;
- mReplyChannel.replyToMessage(msg, dstMsg);
- }
-
- private void replyToMessage(Message msg, int what, int arg1) {
- if (msg.replyTo == null) return;
- Message dstMsg = obtainMessage(msg);
- dstMsg.what = what;
- dstMsg.arg1 = arg1;
- mReplyChannel.replyToMessage(msg, dstMsg);
- }
-
- private void replyToMessage(Message msg, int what, Object obj) {
- if (msg.replyTo == null) return;
- Message dstMsg = obtainMessage(msg);
- dstMsg.what = what;
- dstMsg.obj = obj;
- mReplyChannel.replyToMessage(msg, dstMsg);
- }
-
/* Information tracked per client */
private class ClientInfo {
private static final int MAX_LIMIT = 10;
- private final AsyncChannel mChannel;
- private final Messenger mMessenger;
+ private final INsdManagerCallback mCb;
/* Remembers a resolved service until getaddrinfo completes */
private NsdServiceInfo mResolvedService;
@@ -881,17 +907,14 @@
// The target SDK of this client < Build.VERSION_CODES.S
private boolean mIsLegacy = false;
- private ClientInfo(AsyncChannel c, Messenger m) {
- mChannel = c;
- mMessenger = m;
- if (DBG) Slog.d(TAG, "New client, channel: " + c + " messenger: " + m);
+ private ClientInfo(INsdManagerCallback cb) {
+ mCb = cb;
+ if (DBG) Slog.d(TAG, "New client");
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
- sb.append("mChannel ").append(mChannel).append("\n");
- sb.append("mMessenger ").append(mMessenger).append("\n");
sb.append("mResolvedService ").append(mResolvedService).append("\n");
sb.append("mIsLegacy ").append(mIsLegacy).append("\n");
for(int i = 0; i< mClientIds.size(); i++) {
@@ -949,6 +972,102 @@
}
return mClientIds.keyAt(idx);
}
+
+ void onDiscoverServicesStarted(int listenerKey, NsdServiceInfo info) {
+ try {
+ mCb.onDiscoverServicesStarted(listenerKey, info);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onDiscoverServicesStarted", e);
+ }
+ }
+
+ void onDiscoverServicesFailed(int listenerKey, int error) {
+ try {
+ mCb.onDiscoverServicesFailed(listenerKey, error);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onDiscoverServicesFailed", e);
+ }
+ }
+
+ void onServiceFound(int listenerKey, NsdServiceInfo info) {
+ try {
+ mCb.onServiceFound(listenerKey, info);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onServiceFound(", e);
+ }
+ }
+
+ void onServiceLost(int listenerKey, NsdServiceInfo info) {
+ try {
+ mCb.onServiceLost(listenerKey, info);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onServiceLost(", e);
+ }
+ }
+
+ void onStopDiscoveryFailed(int listenerKey, int error) {
+ try {
+ mCb.onStopDiscoveryFailed(listenerKey, error);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onStopDiscoveryFailed", e);
+ }
+ }
+
+ void onStopDiscoverySucceeded(int listenerKey) {
+ try {
+ mCb.onStopDiscoverySucceeded(listenerKey);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onStopDiscoverySucceeded", e);
+ }
+ }
+
+ void onRegisterServiceFailed(int listenerKey, int error) {
+ try {
+ mCb.onRegisterServiceFailed(listenerKey, error);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onRegisterServiceFailed", e);
+ }
+ }
+
+ void onRegisterServiceSucceeded(int listenerKey, NsdServiceInfo info) {
+ try {
+ mCb.onRegisterServiceSucceeded(listenerKey, info);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onRegisterServiceSucceeded", e);
+ }
+ }
+
+ void onUnregisterServiceFailed(int listenerKey, int error) {
+ try {
+ mCb.onUnregisterServiceFailed(listenerKey, error);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onUnregisterServiceFailed", e);
+ }
+ }
+
+ void onUnregisterServiceSucceeded(int listenerKey) {
+ try {
+ mCb.onUnregisterServiceSucceeded(listenerKey);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onUnregisterServiceSucceeded", e);
+ }
+ }
+
+ void onResolveServiceFailed(int listenerKey, int error) {
+ try {
+ mCb.onResolveServiceFailed(listenerKey, error);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onResolveServiceFailed", e);
+ }
+ }
+
+ void onResolveServiceSucceeded(int listenerKey, NsdServiceInfo info) {
+ try {
+ mCb.onResolveServiceSucceeded(listenerKey, info);
+ } catch (RemoteException e) {
+ Log.e(TAG, "Error calling onResolveServiceSucceeded", e);
+ }
+ }
}
/**
diff --git a/services/core/java/com/android/server/net/NetworkStatsFactory.java b/services/core/java/com/android/server/net/NetworkStatsFactory.java
index 431b009..e6433db 100644
--- a/services/core/java/com/android/server/net/NetworkStatsFactory.java
+++ b/services/core/java/com/android/server/net/NetworkStatsFactory.java
@@ -159,7 +159,7 @@
}
public NetworkStatsFactory() {
- this(new File("/proc/"), new File("/sys/fs/bpf/map_netd_app_uid_stats_map").exists());
+ this(new File("/proc/"), true);
}
@VisibleForTesting
diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index 097b071..c876d41 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -150,6 +150,7 @@
import com.android.internal.util.DumpUtils;
import com.android.internal.util.FileRotator;
import com.android.internal.util.IndentingPrintWriter;
+import com.android.net.module.util.BinderUtils;
import com.android.server.EventLogTags;
import com.android.server.LocalServices;
@@ -215,8 +216,6 @@
private final PowerManager.WakeLock mWakeLock;
- private final boolean mUseBpfTrafficStats;
-
private final ContentObserver mContentObserver;
private final ContentResolver mContentResolver;
@@ -438,7 +437,6 @@
mStatsObservers = Objects.requireNonNull(statsObservers, "missing NetworkStatsObservers");
mSystemDir = Objects.requireNonNull(systemDir, "missing systemDir");
mBaseDir = Objects.requireNonNull(baseDir, "missing baseDir");
- mUseBpfTrafficStats = new File("/sys/fs/bpf/map_netd_app_uid_stats_map").exists();
mDeps = Objects.requireNonNull(deps, "missing Dependencies");
final HandlerThread handlerThread = mDeps.makeHandlerThread();
@@ -1084,13 +1082,13 @@
if (callingUid != android.os.Process.SYSTEM_UID && callingUid != uid) {
return UNSUPPORTED;
}
- return nativeGetUidStat(uid, type, checkBpfStatsEnable());
+ return nativeGetUidStat(uid, type);
}
@Override
public long getIfaceStats(@NonNull String iface, int type) {
Objects.requireNonNull(iface);
- long nativeIfaceStats = nativeGetIfaceStat(iface, type, checkBpfStatsEnable());
+ long nativeIfaceStats = nativeGetIfaceStat(iface, type);
if (nativeIfaceStats == -1) {
return nativeIfaceStats;
} else {
@@ -1104,7 +1102,7 @@
@Override
public long getTotalStats(int type) {
- long nativeTotalStats = nativeGetTotalStat(type, checkBpfStatsEnable());
+ long nativeTotalStats = nativeGetTotalStat(type);
if (nativeTotalStats == -1) {
return nativeTotalStats;
} else {
@@ -1137,10 +1135,6 @@
}
}
- private boolean checkBpfStatsEnable() {
- return mUseBpfTrafficStats;
- }
-
/**
* Update {@link NetworkStatsRecorder} and {@link #mGlobalAlertBytes} to
* reflect current {@link #mPersistThreshold} value. Always defers to
@@ -2104,14 +2098,18 @@
@Override
public void notifyAlertReached() throws RemoteException {
- mAlertObserver.limitReached(LIMIT_GLOBAL_ALERT, null /* unused */);
+ // 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 */));
}
@Override
public void notifyWarningOrLimitReached() {
Log.d(TAG, mTag + ": notifyWarningOrLimitReached");
- LocalServices.getService(NetworkPolicyManagerInternal.class)
- .onStatsProviderWarningOrLimitReached(mTag);
+ BinderUtils.withCleanCallingIdentity(() ->
+ LocalServices.getService(NetworkPolicyManagerInternal.class)
+ .onStatsProviderWarningOrLimitReached(mTag));
}
@Override
@@ -2249,7 +2247,7 @@
}
}
- private static native long nativeGetTotalStat(int type, boolean useBpfStats);
- private static native long nativeGetIfaceStat(String iface, int type, boolean useBpfStats);
- private static native long nativeGetUidStat(int uid, int type, boolean useBpfStats);
+ private static native long nativeGetTotalStat(int type);
+ private static native long nativeGetIfaceStat(String iface, int type);
+ private static native long nativeGetUidStat(int uid, int type);
}
diff --git a/services/core/jni/com_android_server_net_NetworkStatsService.cpp b/services/core/jni/com_android_server_net_NetworkStatsService.cpp
index 10b248a..5178132 100644
--- a/services/core/jni/com_android_server_net_NetworkStatsService.cpp
+++ b/services/core/jni/com_android_server_net_NetworkStatsService.cpp
@@ -38,9 +38,6 @@
namespace android {
-static const char* QTAGUID_IFACE_STATS = "/proc/net/xt_qtaguid/iface_stat_fmt";
-static const char* QTAGUID_UID_STATS = "/proc/net/xt_qtaguid/stats";
-
// NOTE: keep these in sync with TrafficStats.java
static const uint64_t UNKNOWN = -1;
@@ -72,102 +69,17 @@
}
}
-static int parseIfaceStats(const char* iface, Stats* stats) {
- FILE *fp = fopen(QTAGUID_IFACE_STATS, "r");
- if (fp == NULL) {
- return -1;
- }
-
- char buffer[384];
- char cur_iface[32];
- bool foundTcp = false;
- uint64_t rxBytes, rxPackets, txBytes, txPackets, tcpRxPackets, tcpTxPackets;
-
- while (fgets(buffer, sizeof(buffer), fp) != NULL) {
- int matched = sscanf(buffer, "%31s %" SCNu64 " %" SCNu64 " %" SCNu64
- " %" SCNu64 " " "%*u %" SCNu64 " %*u %*u %*u %*u "
- "%*u %" SCNu64 " %*u %*u %*u %*u", cur_iface, &rxBytes,
- &rxPackets, &txBytes, &txPackets, &tcpRxPackets, &tcpTxPackets);
- if (matched >= 5) {
- if (matched == 7) {
- foundTcp = true;
- }
- if (!iface || !strcmp(iface, cur_iface)) {
- stats->rxBytes += rxBytes;
- stats->rxPackets += rxPackets;
- stats->txBytes += txBytes;
- stats->txPackets += txPackets;
- if (matched == 7) {
- stats->tcpRxPackets += tcpRxPackets;
- stats->tcpTxPackets += tcpTxPackets;
- }
- }
- }
- }
-
- if (!foundTcp) {
- stats->tcpRxPackets = UNKNOWN;
- stats->tcpTxPackets = UNKNOWN;
- }
-
- if (fclose(fp) != 0) {
- return -1;
- }
- return 0;
-}
-
-static int parseUidStats(const uint32_t uid, Stats* stats) {
- FILE *fp = fopen(QTAGUID_UID_STATS, "r");
- if (fp == NULL) {
- return -1;
- }
-
- char buffer[384];
- char iface[32];
- uint32_t idx, cur_uid, set;
- uint64_t tag, rxBytes, rxPackets, txBytes, txPackets;
-
- while (fgets(buffer, sizeof(buffer), fp) != NULL) {
- if (sscanf(buffer,
- "%" SCNu32 " %31s 0x%" SCNx64 " %u %u %" SCNu64 " %" SCNu64
- " %" SCNu64 " %" SCNu64 "",
- &idx, iface, &tag, &cur_uid, &set, &rxBytes, &rxPackets,
- &txBytes, &txPackets) == 9) {
- if (uid == cur_uid && tag == 0L) {
- stats->rxBytes += rxBytes;
- stats->rxPackets += rxPackets;
- stats->txBytes += txBytes;
- stats->txPackets += txPackets;
- }
- }
- }
-
- if (fclose(fp) != 0) {
- return -1;
- }
- return 0;
-}
-
-static jlong getTotalStat(JNIEnv* env, jclass clazz, jint type, jboolean useBpfStats) {
+static jlong getTotalStat(JNIEnv* env, jclass clazz, jint type) {
Stats stats = {};
- if (useBpfStats) {
- if (bpfGetIfaceStats(NULL, &stats) == 0) {
- return getStatsType(&stats, (StatsType) type);
- } else {
- return UNKNOWN;
- }
- }
-
- if (parseIfaceStats(NULL, &stats) == 0) {
+ if (bpfGetIfaceStats(NULL, &stats) == 0) {
return getStatsType(&stats, (StatsType) type);
} else {
return UNKNOWN;
}
}
-static jlong getIfaceStat(JNIEnv* env, jclass clazz, jstring iface, jint type,
- jboolean useBpfStats) {
+static jlong getIfaceStat(JNIEnv* env, jclass clazz, jstring iface, jint type) {
ScopedUtfChars iface8(env, iface);
if (iface8.c_str() == NULL) {
return UNKNOWN;
@@ -175,33 +87,17 @@
Stats stats = {};
- if (useBpfStats) {
- if (bpfGetIfaceStats(iface8.c_str(), &stats) == 0) {
- return getStatsType(&stats, (StatsType) type);
- } else {
- return UNKNOWN;
- }
- }
-
- if (parseIfaceStats(iface8.c_str(), &stats) == 0) {
+ if (bpfGetIfaceStats(iface8.c_str(), &stats) == 0) {
return getStatsType(&stats, (StatsType) type);
} else {
return UNKNOWN;
}
}
-static jlong getUidStat(JNIEnv* env, jclass clazz, jint uid, jint type, jboolean useBpfStats) {
+static jlong getUidStat(JNIEnv* env, jclass clazz, jint uid, jint type) {
Stats stats = {};
- if (useBpfStats) {
- if (bpfGetUidStats(uid, &stats) == 0) {
- return getStatsType(&stats, (StatsType) type);
- } else {
- return UNKNOWN;
- }
- }
-
- if (parseUidStats(uid, &stats) == 0) {
+ if (bpfGetUidStats(uid, &stats) == 0) {
return getStatsType(&stats, (StatsType) type);
} else {
return UNKNOWN;
@@ -209,9 +105,9 @@
}
static const JNINativeMethod gMethods[] = {
- {"nativeGetTotalStat", "(IZ)J", (void*) getTotalStat},
- {"nativeGetIfaceStat", "(Ljava/lang/String;IZ)J", (void*) getIfaceStat},
- {"nativeGetUidStat", "(IIZ)J", (void*) getUidStat},
+ {"nativeGetTotalStat", "(I)J", (void*)getTotalStat},
+ {"nativeGetIfaceStat", "(Ljava/lang/String;I)J", (void*)getIfaceStat},
+ {"nativeGetUidStat", "(II)J", (void*)getUidStat},
};
int register_android_server_net_NetworkStatsService(JNIEnv* env) {