Don't use new API until flag can guard it (a316500a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/adb/AdbConnectionPortPoller.java

0 → 100644

+89 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2025 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.adb;

		import android.annotation.NonNull;
		import android.os.SystemClock;
		import android.os.SystemProperties;
		import android.util.Slog;

		import java.util.concurrent.atomic.AtomicBoolean;

		/**
		* This class will poll for a period of time for adbd to write the port
		* it connected to.
		*
		* TODO(joshuaduong): The port is being sent via system property because the adbd socket
		* (AdbDebuggingManager) is not created when ro.adb.secure=0. Thus, we must communicate the
		* port through different means. A better fix would be to always start AdbDebuggingManager, but
		* it needs to adjust accordingly on whether ro.adb.secure is set.
		*/

		class AdbConnectionPortPoller extends Thread {

		private static final String TAG = AdbConnectionPortPoller.class.getSimpleName();
		private final String mAdbPortProp = "service.adb.tls.port";
		private final int mDurationSecs = 10;
		private AtomicBoolean mCanceled = new AtomicBoolean(false);

		interface PortChangedCallback {

		void onPortChanged(int port);
		}

		private PortChangedCallback mCallback;

		AdbConnectionPortPoller(@NonNull PortChangedCallback callback) {
		this.mCallback = callback;
		}

		@Override
		public void run() {
		Slog.d(TAG, "Starting TLS port property poller");
		// Once adbwifi is enabled, we poll the service.adb.tls.port
		// system property until we get the port, or -1 on failure.
		// Let's also limit the polling to 10 seconds, just in case
		// something went wrong.
		for (int i = 0; i < mDurationSecs; ++i) {
		if (mCanceled.get()) {
		return;
		}

		// If the property is set to -1, then that means adbd has failed
		// to start the server. Otherwise we should have a valid port.
		int port = SystemProperties.getInt(mAdbPortProp, Integer.MAX_VALUE);
		if (port == -1 \|\| (port > 0 && port <= 65535)) {
		Slog.d(TAG, "System property received TLS port " + port);
		mCallback.onPortChanged(port);
		return;
		}
		SystemClock.sleep(1000);
		}
		Slog.w(TAG, "Failed to receive adb connection port from system property");
		mCallback.onPortChanged(-1);
		}

		public void cancelAndWait() {
		Slog.d(TAG, "Stopping TLS port property poller");
		mCanceled.set(true);
		if (this.isAlive()) {
		try {
		this.join();
		} catch (InterruptedException e) {
		}
		}
		}
		}

services/core/java/com/android/server/adb/AdbDebuggingManager.java

+34 −6

Original line number	Diff line number	Diff line
		@@ -167,7 +167,10 @@ public class AdbDebuggingManager {
		private final Set<String> mWifiConnectedKeys = new HashSet<>();
		// The current info of the adbwifi connection.
		private AdbConnectionInfo mAdbConnectionInfo = new AdbConnectionInfo();

		// Polls for a tls port property when adb wifi is enabled
		private AdbConnectionPortPoller mConnectionPortPoller;

		private final Ticker mTicker;

		public AdbDebuggingManager(Context context) {
		@@ -208,6 +211,27 @@ public class AdbDebuggingManager {
		android.Manifest.permission.MANAGE_DEBUGGING);
		}

		private void startTLSPortPoller() {
		mConnectionPortPoller = new AdbConnectionPortPoller(port -> {
		Slog.d(TAG, "Received tls port from poller =" + port);
		Message msg = mHandler.obtainMessage(port > 0
		? AdbDebuggingHandler.MSG_SERVER_CONNECTED
		: AdbDebuggingHandler.MSG_SERVER_DISCONNECTED);
		msg.obj = port;
		mHandler.sendMessage(msg);
		});
		mConnectionPortPoller.start();
		}

		private void stopTLSPortPoller() {
		if (mConnectionPortPoller == null) {
		return;
		}

		mConnectionPortPoller.cancelAndWait();
		mConnectionPortPoller = null;
		}

		class PairingThread extends Thread implements NsdManager.RegistrationListener {
		private NsdManager mNsdManager;
		@Keep private String mPublicKey;
		@@ -824,15 +848,11 @@ public class AdbDebuggingManager {
		}

		private void startAdbdWifi() {
		if (mThread != null) {
		mThread.sendResponse(MSG_START_ADB_WIFI);
		}
		AdbService.enableADBdWifi();
		}

		private void stopAdbdWifi() {
		if (mThread != null) {
		mThread.sendResponse(MSG_STOP_ADB_WIFI);
		}
		AdbService.disableADBdWifi();
		}

		private void startAdbDebuggingThread() {
		@@ -1073,6 +1093,7 @@ public class AdbDebuggingManager {


		startAdbDebuggingThread();
		startTLSPortPoller();
		startAdbdWifi();
		mAdbWifiEnabled = true;

		@@ -1118,6 +1139,7 @@ public class AdbDebuggingManager {
		mContext.registerReceiver(mBroadcastReceiver, intentFilter);

		startAdbDebuggingThread();
		startTLSPortPoller();
		startAdbdWifi();
		mAdbWifiEnabled = true;

		@@ -1218,14 +1240,20 @@ public class AdbDebuggingManager {
		int port = (int) msg.obj;
		onAdbdWifiServerDisconnected(port);
		stopAdbDebuggingThread();
		stopTLSPortPoller();
		break;
		}
		case MSG_ADBD_SOCKET_CONNECTED: {
		Slog.d(TAG, "adbd socket connected");
		if (mAdbWifiEnabled) {
		// In scenarios where adbd is restarted, the tls port may change.
		startTLSPortPoller();
		}
		break;
		}
		case MSG_ADBD_SOCKET_DISCONNECTED: {
		Slog.d(TAG, "adbd socket disconnected");
		stopTLSPortPoller();
		if (mAdbWifiEnabled) {
		// In scenarios where adbd is restarted, the tls port may change.
		onAdbdWifiServerDisconnected(-1);

services/core/java/com/android/server/adb/AdbService.java

+12 −2

Original line number	Diff line number	Diff line
		@@ -433,6 +433,16 @@ public class AdbService extends IAdbManager.Stub {
		AdbService::setAdbEnabledDoNotCallDirectly, this, enable, transportType));
		}

		static void enableADBdWifi() {
		Slog.d(TAG, "Enabling ADBd Wifi property");
		SystemProperties.set(WIFI_PERSISTENT_CONFIG_PROPERTY, "1");
		}

		static void disableADBdWifi() {
		Slog.d(TAG, "Disabling ADBd Wifi property");
		SystemProperties.set(WIFI_PERSISTENT_CONFIG_PROPERTY, "0");
		}

		private void setAdbEnabledDoNotCallDirectly(boolean enable, byte transportType) {
		Slog.d(TAG, "setAdbEnabled(" + enable + "), mIsAdbUsbEnabled=" + mIsAdbUsbEnabled
		+ ", mIsAdbWifiEnabled=" + mIsAdbWifiEnabled + ", transportType=" + transportType);
		@@ -451,11 +461,11 @@ public class AdbService extends IAdbManager.Stub {
		mIsAdbWifiEnabled = enable;
		if (mIsAdbWifiEnabled) {
		// Start adb over WiFi.
		SystemProperties.set(WIFI_PERSISTENT_CONFIG_PROPERTY, "1");
		enableADBdWifi();
		acquireMulticastLock();
		} else {
		// Stop adb over WiFi.
		SystemProperties.set(WIFI_PERSISTENT_CONFIG_PROPERTY, "0");
		disableADBdWifi();
		releaseMulticastLock();
		}
		break;