Sequentially handle enable and disable (ef2b72fd) · Commits · e / os / android_packages_modules_Bluetooth

service/java/com/android/server/bluetooth/BluetoothManagerService.java

+116 −11

Original line number	Original line	Diff line number	Diff line
	@@ -106,9 +106,13 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	private static final int USER_SWITCHED_TIME_MS = 200;		private static final int USER_SWITCHED_TIME_MS = 200;
	// Delay for the addProxy function in msec		// Delay for the addProxy function in msec
	private static final int ADD_PROXY_DELAY_MS = 100;		private static final int ADD_PROXY_DELAY_MS = 100;
			// Delay for retrying enable and disable in msec
			private static final int ENABLE_DISABLE_DELAY_MS = 300;

	private static final int MESSAGE_ENABLE = 1;		private static final int MESSAGE_ENABLE = 1;
	private static final int MESSAGE_DISABLE = 2;		private static final int MESSAGE_DISABLE = 2;
			private static final int MESSAGE_HANDLE_ENABLE_DELAYED = 3;
			private static final int MESSAGE_HANDLE_DISABLE_DELAYED = 4;
	private static final int MESSAGE_REGISTER_ADAPTER = 20;		private static final int MESSAGE_REGISTER_ADAPTER = 20;
	private static final int MESSAGE_UNREGISTER_ADAPTER = 21;		private static final int MESSAGE_UNREGISTER_ADAPTER = 21;
	private static final int MESSAGE_REGISTER_STATE_CHANGE_CALLBACK = 30;		private static final int MESSAGE_REGISTER_STATE_CHANGE_CALLBACK = 30;
	@@ -130,6 +134,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	private static final int RESTORE_SETTING_TO_OFF = 0;		private static final int RESTORE_SETTING_TO_OFF = 0;

	private static final int MAX_ERROR_RESTART_RETRIES = 6;		private static final int MAX_ERROR_RESTART_RETRIES = 6;
			private static final int MAX_WAIT_FOR_ENABLE_DISABLE_RETRIES = 10;

	// Bluetooth persisted setting is off		// Bluetooth persisted setting is off
	private static final int BLUETOOTH_OFF = 0;		private static final int BLUETOOTH_OFF = 0;
	@@ -160,6 +165,8 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	private final ReentrantReadWriteLock mBluetoothLock = new ReentrantReadWriteLock();		private final ReentrantReadWriteLock mBluetoothLock = new ReentrantReadWriteLock();
	private boolean mBinding;		private boolean mBinding;
	private boolean mUnbinding;		private boolean mUnbinding;
			private int mWaitForEnableRetry;
			private int mWaitForDisableRetry;

	private BluetoothAirplaneModeListener mBluetoothAirplaneModeListener;		private BluetoothAirplaneModeListener mBluetoothAirplaneModeListener;

	@@ -1597,8 +1604,18 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	break;		break;

	case MESSAGE_ENABLE:		case MESSAGE_ENABLE:
			int quietEnable = msg.arg1;
			if (mHandler.hasMessages(MESSAGE_HANDLE_DISABLE_DELAYED)
			\|\| mHandler.hasMessages(MESSAGE_HANDLE_ENABLE_DELAYED)) {
			// We are handling enable or disable right now, wait for it.
			mHandler.sendMessageDelayed(mHandler.obtainMessage(MESSAGE_ENABLE,
			quietEnable, 0), ENABLE_DISABLE_DELAY_MS);
			break;
			}

	if (DBG) {		if (DBG) {
	Slog.d(TAG, "MESSAGE_ENABLE(" + msg.arg1 + "): mBluetooth = " + mBluetooth);		Slog.d(TAG, "MESSAGE_ENABLE(" + quietEnable + "): mBluetooth = "
			+ mBluetooth);
	}		}
	mHandler.removeMessages(MESSAGE_RESTART_BLUETOOTH_SERVICE);		mHandler.removeMessages(MESSAGE_RESTART_BLUETOOTH_SERVICE);
	mEnable = true;		mEnable = true;
	@@ -1621,7 +1638,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	mBluetoothLock.readLock().unlock();		mBluetoothLock.readLock().unlock();
	}		}

	mQuietEnable = (msg.arg1 == 1);		mQuietEnable = (quietEnable == 1);
	if (mBluetooth == null) {		if (mBluetooth == null) {
	handleEnable(mQuietEnable);		handleEnable(mQuietEnable);
	} else {		} else {
	@@ -1630,7 +1647,8 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	// the previous Bluetooth process has exited. The		// the previous Bluetooth process has exited. The
	// waiting period has three components:		// waiting period has three components:
	// (a) Wait until the local state is STATE_OFF. This		// (a) Wait until the local state is STATE_OFF. This
	// is accomplished by "waitForOnOff(false, true)".		// is accomplished by sending delay a message
			// MESSAGE_HANDLE_ENABLE_DELAYED
	// (b) Wait until the STATE_OFF state is updated to		// (b) Wait until the STATE_OFF state is updated to
	// all components.		// all components.
	// (c) Wait until the Bluetooth process exits, and		// (c) Wait until the Bluetooth process exits, and
	@@ -1640,28 +1658,108 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	// message. The delay time is backed off if Bluetooth		// message. The delay time is backed off if Bluetooth
	// continuously failed to turn on itself.		// continuously failed to turn on itself.
	//		//
	waitForOnOff(false, true);		mWaitForEnableRetry = 0;
	Message restartMsg =		Message enableDelayedMsg =
	mHandler.obtainMessage(MESSAGE_RESTART_BLUETOOTH_SERVICE);		mHandler.obtainMessage(MESSAGE_HANDLE_ENABLE_DELAYED);
	mHandler.sendMessageDelayed(restartMsg, getServiceRestartMs());		mHandler.sendMessageDelayed(enableDelayedMsg, ENABLE_DISABLE_DELAY_MS);
	}		}
	break;		break;

	case MESSAGE_DISABLE:		case MESSAGE_DISABLE:
			if (mHandler.hasMessages(MESSAGE_HANDLE_DISABLE_DELAYED) \|\| mBinding
			\|\| mHandler.hasMessages(MESSAGE_HANDLE_ENABLE_DELAYED)) {
			// We are handling enable or disable right now, wait for it.
			mHandler.sendMessageDelayed(mHandler.obtainMessage(MESSAGE_DISABLE),
			ENABLE_DISABLE_DELAY_MS);
			break;
			}

	if (DBG) {		if (DBG) {
	Slog.d(TAG, "MESSAGE_DISABLE: mBluetooth = " + mBluetooth);		Slog.d(TAG, "MESSAGE_DISABLE: mBluetooth = " + mBluetooth
			+ ", mBinding = " + mBinding);
	}		}
	mHandler.removeMessages(MESSAGE_RESTART_BLUETOOTH_SERVICE);		mHandler.removeMessages(MESSAGE_RESTART_BLUETOOTH_SERVICE);

	if (mEnable && mBluetooth != null) {		if (mEnable && mBluetooth != null) {
	waitForOnOff(true, false);		mWaitForDisableRetry = 0;
			Message disableDelayedMsg =
			mHandler.obtainMessage(MESSAGE_HANDLE_DISABLE_DELAYED, 0, 0);
			mHandler.sendMessageDelayed(disableDelayedMsg, ENABLE_DISABLE_DELAY_MS);
			} else {
	mEnable = false;		mEnable = false;
	handleDisable();		handleDisable();
	waitForOnOff(false, false);		}
			break;

			case MESSAGE_HANDLE_ENABLE_DELAYED: {
			// The Bluetooth is turning off, wait for STATE_OFF
			if (mState != BluetoothAdapter.STATE_OFF) {
			if (mWaitForEnableRetry < MAX_WAIT_FOR_ENABLE_DISABLE_RETRIES) {
			mWaitForEnableRetry++;
			Message enableDelayedMsg =
			mHandler.obtainMessage(MESSAGE_HANDLE_ENABLE_DELAYED);
			mHandler.sendMessageDelayed(enableDelayedMsg, ENABLE_DISABLE_DELAY_MS);
			break;
	} else {		} else {
			Slog.e(TAG, "Wait for STATE_OFF timeout");
			}
			}
			// Either state is changed to STATE_OFF or reaches the maximum retry, we
			// should move forward to the next step.
			mWaitForEnableRetry = 0;
			Message restartMsg =
			mHandler.obtainMessage(MESSAGE_RESTART_BLUETOOTH_SERVICE);
			mHandler.sendMessageDelayed(restartMsg, getServiceRestartMs());
			Slog.d(TAG, "Handle enable is finished");
			break;
			}

			case MESSAGE_HANDLE_DISABLE_DELAYED: {
			boolean disabling = (msg.arg1 == 1);
			Slog.d(TAG, "MESSAGE_HANDLE_DISABLE_DELAYED: disabling:" + disabling);
			if (!disabling) {
			// The Bluetooth is turning on, wait for STATE_ON
			if (mState != BluetoothAdapter.STATE_ON) {
			if (mWaitForDisableRetry < MAX_WAIT_FOR_ENABLE_DISABLE_RETRIES) {
			mWaitForDisableRetry++;
			Message disableDelayedMsg = mHandler.obtainMessage(
			MESSAGE_HANDLE_DISABLE_DELAYED, 0, 0);
			mHandler.sendMessageDelayed(disableDelayedMsg,
			ENABLE_DISABLE_DELAY_MS);
			break;
			} else {
			Slog.e(TAG, "Wait for STATE_ON timeout");
			}
			}
			// Either state is changed to STATE_ON or reaches the maximum retry, we
			// should move forward to the next step.
			mWaitForDisableRetry = 0;
	mEnable = false;		mEnable = false;
	handleDisable();		handleDisable();
			// Wait for state exiting STATE_ON
			Message disableDelayedMsg =
			mHandler.obtainMessage(MESSAGE_HANDLE_DISABLE_DELAYED, 1, 0);
			mHandler.sendMessageDelayed(disableDelayedMsg, ENABLE_DISABLE_DELAY_MS);
			} else {
			// The Bluetooth is turning off, wait for exiting STATE_ON
			if (mState == BluetoothAdapter.STATE_ON) {
			if (mWaitForDisableRetry < MAX_WAIT_FOR_ENABLE_DISABLE_RETRIES) {
			mWaitForDisableRetry++;
			Message disableDelayedMsg = mHandler.obtainMessage(
			MESSAGE_HANDLE_DISABLE_DELAYED, 1, 0);
			mHandler.sendMessageDelayed(disableDelayedMsg,
			ENABLE_DISABLE_DELAY_MS);
			break;
			} else {
			Slog.e(TAG, "Wait for exiting STATE_ON timeout");
			}
			}
			// Either state is exited from STATE_ON or reaches the maximum retry, we
			// should move forward to the next step.
			Slog.d(TAG, "Handle disable is finished");
	}		}
	break;		break;
			}

	case MESSAGE_RESTORE_USER_SETTING:		case MESSAGE_RESTORE_USER_SETTING:
	if ((msg.arg1 == RESTORE_SETTING_TO_OFF) && mEnable) {		if ((msg.arg1 == RESTORE_SETTING_TO_OFF) && mEnable) {
	@@ -2031,6 +2129,7 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	try {		try {
	mBluetoothLock.writeLock().lock();		mBluetoothLock.writeLock().lock();
	if ((mBluetooth == null) && (!mBinding)) {		if ((mBluetooth == null) && (!mBinding)) {
			Slog.d(TAG, "binding Bluetooth service");
	//Start bind timeout and bind		//Start bind timeout and bind
	Message timeoutMsg = mHandler.obtainMessage(MESSAGE_TIMEOUT_BIND);		Message timeoutMsg = mHandler.obtainMessage(MESSAGE_TIMEOUT_BIND);
	mHandler.sendMessageDelayed(timeoutMsg, TIMEOUT_BIND_MS);		mHandler.sendMessageDelayed(timeoutMsg, TIMEOUT_BIND_MS);
	@@ -2418,6 +2517,12 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
	writer.println(" " + app.getPackageName());		writer.println(" " + app.getPackageName());
	}		}

			writer.println("\nBluetoothManagerService:");
			writer.println(" mEnable:" + mEnable);
			writer.println(" mQuietEnable:" + mQuietEnable);
			writer.println(" mEnableExternal:" + mEnableExternal);
			writer.println(" mQuietEnableExternal:" + mQuietEnableExternal);

	writer.println("");		writer.println("");
	writer.flush();		writer.flush();
	if (args.length == 0) {		if (args.length == 0) {