DO NOT MERGE - Merge PPRL.190405.003 into stage-aosp-master (a0fbeb57) · Commits · e / os / android_packages_modules_Bluetooth

android/app/src/com/android/bluetooth/a2dp/A2dpService.java

+10 −16

Original line number	Diff line number	Diff line
		@@ -351,24 +351,18 @@ public class A2dpService extends ProfileService {
		return false;
		}
		// Check priority and accept or reject the connection.
		// Note: Logic can be simplified, but keeping it this way for readability
		int priority = getPriority(device);
		int bondState = mAdapterService.getBondState(device);
		// If priority is undefined, it is likely that service discovery has not completed and peer
		// initiated the connection. Allow this connection only if the device is bonded or bonding
		boolean serviceDiscoveryPending = (priority == BluetoothProfile.PRIORITY_UNDEFINED)
		&& (bondState == BluetoothDevice.BOND_BONDING
		\|\| bondState == BluetoothDevice.BOND_BONDED);
		// Also allow connection when device is bonded/bonding and priority is ON/AUTO_CONNECT.
		boolean isEnabled = (priority == BluetoothProfile.PRIORITY_ON
		\|\| priority == BluetoothProfile.PRIORITY_AUTO_CONNECT)
		&& (bondState == BluetoothDevice.BOND_BONDED
		\|\| bondState == BluetoothDevice.BOND_BONDING);
		if (!serviceDiscoveryPending && !isEnabled) {
		// Otherwise, reject the connection if no service discovery is pending and priority is
		// neither PRIORITY_ON nor PRIORITY_AUTO_CONNECT
		Log.w(TAG, "okToConnect: return false, priority=" + priority + ", bondState="
		+ bondState);
		// Allow this connection only if the device is bonded. Any attempt to connect while
		// bonding would potentially lead to an unauthorized connection.
		if (bondState != BluetoothDevice.BOND_BONDED) {
		Log.w(TAG, "okToConnect: return false, bondState=" + bondState);
		return false;
		} else if (priority != BluetoothProfile.PRIORITY_UNDEFINED
		&& priority != BluetoothProfile.PRIORITY_ON
		&& priority != BluetoothProfile.PRIORITY_AUTO_CONNECT) {
		// Otherwise, reject the connection if priority is not valid.
		Log.w(TAG, "okToConnect: return false, priority=" + priority);
		return false;
		}
		return true;

android/app/src/com/android/bluetooth/btservice/AdapterProperties.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -40,10 +40,13 @@ import android.content.IntentFilter;
		import android.os.ParcelUuid;
		import android.os.SystemProperties;
		import android.os.UserHandle;
		import android.provider.Settings.Secure;
		import android.util.Log;
		import android.util.Pair;
		import android.util.StatsLog;

		import androidx.annotation.VisibleForTesting;

		import com.android.bluetooth.Utils;
		import com.android.bluetooth.btservice.RemoteDevices.DeviceProperties;

		@@ -503,6 +506,7 @@ class AdapterProperties {

		// This function shall be invoked from BondStateMachine whenever the bond
		// state changes.
		@VisibleForTesting
		void onBondStateChanged(BluetoothDevice device, int state) {
		if (device == null) {
		Log.w(TAG, "onBondStateChanged, device is null");

android/app/src/com/android/bluetooth/btservice/AdapterService.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -2046,6 +2046,18 @@ public class AdapterService extends Service {
		}
		}

		/**
		* Update device UUID changed to {@link BondStateMachine}
		*
		* @param device remote device of interest
		*/
		public void deviceUuidUpdated(BluetoothDevice device) {
		// Notify BondStateMachine for SDP complete / UUID changed.
		Message msg = mBondStateMachine.obtainMessage(BondStateMachine.UUID_UPDATE);
		msg.obj = device;
		mBondStateMachine.sendMessage(msg);
		}

		boolean cancelBondProcess(BluetoothDevice device) {
		enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM, "Need BLUETOOTH ADMIN permission");
		byte[] addr = Utils.getBytesFromAddress(device.getAddress());

android/app/src/com/android/bluetooth/btservice/BondStateMachine.java

+46 −2

Original line number	Diff line number	Diff line
		@@ -36,11 +36,14 @@ import com.android.bluetooth.hfp.HeadsetService;
		import com.android.bluetooth.hfpclient.HeadsetClientService;
		import com.android.bluetooth.hid.HidHostService;
		import com.android.bluetooth.pbapclient.PbapClientService;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.util.State;
		import com.android.internal.util.StateMachine;

		import java.util.ArrayList;
		import java.util.Objects;
		import java.util.HashSet;
		import java.util.Set;

		/**
		* This state machine handles Bluetooth Adapter State.
		@@ -60,6 +63,7 @@ final class BondStateMachine extends StateMachine {
		static final int BONDING_STATE_CHANGE = 4;
		static final int SSP_REQUEST = 5;
		static final int PIN_REQUEST = 6;
		static final int UUID_UPDATE = 10;
		static final int BOND_STATE_NONE = 0;
		static final int BOND_STATE_BONDING = 1;
		static final int BOND_STATE_BONDED = 2;
		@@ -74,6 +78,8 @@ final class BondStateMachine extends StateMachine {

		public static final String OOBDATA = "oobdata";

		@VisibleForTesting Set<BluetoothDevice> mPendingBondedDevices = new HashSet<>();

		private BondStateMachine(AdapterService service, AdapterProperties prop,
		RemoteDevices remoteDevices) {
		super("BondStateMachine:");
		@@ -147,7 +153,11 @@ final class BondStateMachine extends StateMachine {
		+ state2str(newState));
		}
		break;

		case UUID_UPDATE:
		if (mPendingBondedDevices.contains(dev)) {
		sendIntent(dev, BluetoothDevice.BOND_BONDED, 0);
		}
		break;
		case CANCEL_BOND:
		default:
		Log.e(TAG, "Received unhandled state: " + msg.what);
		@@ -348,12 +358,31 @@ final class BondStateMachine extends StateMachine {
		mAdapterService.sendOrderedBroadcast(intent, mAdapterService.BLUETOOTH_ADMIN_PERM);
		}

		private void sendIntent(BluetoothDevice device, int newState, int reason) {
		@VisibleForTesting
		void sendIntent(BluetoothDevice device, int newState, int reason) {
		DeviceProperties devProp = mRemoteDevices.getDeviceProperties(device);
		int oldState = BluetoothDevice.BOND_NONE;
		if (newState != BluetoothDevice.BOND_NONE
		&& newState != BluetoothDevice.BOND_BONDING
		&& newState != BluetoothDevice.BOND_BONDED) {
		infoLog("Invalid bond state " + newState);
		return;
		}
		if (devProp != null) {
		oldState = devProp.getBondState();
		}
		if (mPendingBondedDevices.contains(device)) {
		mPendingBondedDevices.remove(device);
		if (oldState == BluetoothDevice.BOND_BONDED) {
		if (newState == BluetoothDevice.BOND_BONDING) {
		mAdapterProperties.onBondStateChanged(device, newState);
		}
		oldState = BluetoothDevice.BOND_BONDING;
		} else {
		// Should not enter here.
		throw new IllegalArgumentException("Invalid old state " + oldState);
		}
		}
		if (oldState == newState) {
		return;
		}
		@@ -362,6 +391,21 @@ final class BondStateMachine extends StateMachine {
		newState, BluetoothProtoEnums.BOND_SUB_STATE_UNKNOWN, reason);
		mAdapterProperties.onBondStateChanged(device, newState);

		if ((devProp.getDeviceType() == BluetoothDevice.DEVICE_TYPE_CLASSIC
		\|\| devProp.getDeviceType() == BluetoothDevice.DEVICE_TYPE_DUAL)
		&& newState == BluetoothDevice.BOND_BONDED && devProp.getUuids() == null) {
		infoLog(device + " is bonded, wait for SDP complete to broadcast bonded intent");
		if (!mPendingBondedDevices.contains(device)) {
		mPendingBondedDevices.add(device);
		}
		if (oldState == BluetoothDevice.BOND_NONE) {
		// Broadcast NONE->BONDING for NONE->BONDED case.
		newState = BluetoothDevice.BOND_BONDING;
		} else {
		return;
		}
		}

		Intent intent = new Intent(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
		intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
		intent.putExtra(BluetoothDevice.EXTRA_BOND_STATE, newState);

android/app/src/com/android/bluetooth/btservice/RemoteDevices.java

+5 −4

Original line number	Diff line number	Diff line
		@@ -179,6 +179,7 @@ final class RemoteDevices {
		return prop.getDevice();
		}

		@VisibleForTesting
		DeviceProperties addDeviceProperties(byte[] address) {
		synchronized (mDevices) {
		DeviceProperties prop = new DeviceProperties();
		@@ -209,13 +210,13 @@ final class RemoteDevices {
		private byte[] mAddress;
		private int mBluetoothClass = BluetoothClass.Device.Major.UNCATEGORIZED;
		private short mRssi;
		private ParcelUuid[] mUuids;
		private int mDeviceType;
		private String mAlias;
		private int mBondState;
		private BluetoothDevice mDevice;
		private boolean mIsBondingInitiatedLocally;
		private int mBatteryLevel = BluetoothDevice.BATTERY_LEVEL_UNKNOWN;
		@VisibleForTesting int mBondState;
		@VisibleForTesting int mDeviceType;
		@VisibleForTesting ParcelUuid[] mUuids;

		DeviceProperties() {
		mBondState = BluetoothDevice.BOND_NONE;
		@@ -274,7 +275,6 @@ final class RemoteDevices {
		return mRssi;
		}
		}

		/**
		* @return mDeviceType
		*/
		@@ -547,6 +547,7 @@ final class RemoteDevices {
		}
		device.mUuids = newUuids;
		if (sAdapterService.getState() == BluetoothAdapter.STATE_ON) {
		sAdapterService.deviceUuidUpdated(bdDevice);
		sendUuidIntent(bdDevice, device);
		}
		break;