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Commit b390728b authored by Jaikumar Ganesh's avatar Jaikumar Ganesh Committed by Android Git Automerger
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am a224f70b: Fix interaction between BluetoothEventLoop and BluetoothService. 

Merge commit 'a224f70b' into gingerbread-plus-aosp

* commit 'a224f70b':
  Fix interaction between BluetoothEventLoop and BluetoothService.
parents ca83c25d a224f70b

core/java/android/server/BluetoothEventLoop.java

+17 −88
Original line number Diff line number Diff line
@@ -57,22 +57,14 @@ class BluetoothEventLoop { 
    // from remote device when Android is in Suspend state.

    private PowerManager.WakeLock mWakeLock;



    private static final int EVENT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 1;

    private static final int EVENT_RESTART_BLUETOOTH = 2;

    private static final int EVENT_PAIRING_CONSENT_DELAYED_ACCEPT = 3;

    private static final int EVENT_AGENT_CANCEL = 4;

    private static final int EVENT_RESTART_BLUETOOTH = 1;

    private static final int EVENT_PAIRING_CONSENT_DELAYED_ACCEPT = 2;

    private static final int EVENT_AGENT_CANCEL = 3;



    private static final int CREATE_DEVICE_ALREADY_EXISTS = 1;

    private static final int CREATE_DEVICE_SUCCESS = 0;

    private static final int CREATE_DEVICE_FAILED = -1;



    // The time (in millisecs) to delay the pairing attempt after the first

    // auto pairing attempt fails. We use an exponential delay with

    // INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY as the initial value and

    // MAX_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY as the max value.

    private static final long INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 3000;

    private static final long MAX_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 12000;



    private static final String BLUETOOTH_ADMIN_PERM = android.Manifest.permission.BLUETOOTH_ADMIN;

    private static final String BLUETOOTH_PERM = android.Manifest.permission.BLUETOOTH;
@@ -81,13 +73,6 @@ class BluetoothEventLoop { 
        public void handleMessage(Message msg) {

            String address = null;

            switch (msg.what) {

            case EVENT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY:

                address = (String)msg.obj;

                if (address != null) {

                    mBluetoothService.createBond(address);

                    return;

                }

                break;

            case EVENT_RESTART_BLUETOOTH:

                mBluetoothService.restart();

                break;
@@ -100,8 +85,7 @@ class BluetoothEventLoop { 
            case EVENT_AGENT_CANCEL:

                // Set the Bond State to BOND_NONE.

                // We always have only 1 device in BONDING state.

                String[] devices =

                    mBluetoothService.getBondState().listInState(BluetoothDevice.BOND_BONDING);

                String[] devices = mBluetoothService.listInState(BluetoothDevice.BOND_BONDING);

                if (devices.length == 0) {

                    break;

                } else if (devices.length > 1) {
@@ -109,7 +93,7 @@ class BluetoothEventLoop { 
                    break;

                }

                address = devices[0];

                mBluetoothService.getBondState().setBondState(address,

                mBluetoothService.setBondState(address,

                        BluetoothDevice.BOND_NONE,

                        BluetoothDevice.UNBOND_REASON_REMOTE_AUTH_CANCELED);

                break;
@@ -120,7 +104,7 @@ class BluetoothEventLoop { 
    static { classInitNative(); }

    private static native void classInitNative();



    /* pacakge */ BluetoothEventLoop(Context context, BluetoothAdapter adapter,

    /* package */ BluetoothEventLoop(Context context, BluetoothAdapter adapter,

            BluetoothService bluetoothService) {

        mBluetoothService = bluetoothService;

        mContext = context;
@@ -219,55 +203,7 @@ class BluetoothEventLoop { 


    private void onCreatePairedDeviceResult(String address, int result) {

        address = address.toUpperCase();

        if (result == BluetoothDevice.BOND_SUCCESS) {

            mBluetoothService.getBondState().setBondState(address, BluetoothDevice.BOND_BONDED);

            if (mBluetoothService.getBondState().isAutoPairingAttemptsInProgress(address)) {

                mBluetoothService.getBondState().clearPinAttempts(address);

            }

        } else if (result == BluetoothDevice.UNBOND_REASON_AUTH_FAILED &&

                mBluetoothService.getBondState().getAttempt(address) == 1) {

            mBluetoothService.getBondState().addAutoPairingFailure(address);

            pairingAttempt(address, result);

        } else if (result == BluetoothDevice.UNBOND_REASON_REMOTE_DEVICE_DOWN &&

                mBluetoothService.getBondState().isAutoPairingAttemptsInProgress(address)) {

            pairingAttempt(address, result);

        } else {

            mBluetoothService.getBondState().setBondState(address,

                                                          BluetoothDevice.BOND_NONE, result);

            if (mBluetoothService.getBondState().isAutoPairingAttemptsInProgress(address)) {

                mBluetoothService.getBondState().clearPinAttempts(address);

            }

        }

    }



    private void pairingAttempt(String address, int result) {

        // This happens when our initial guess of "0000" as the pass key

        // fails. Try to create the bond again and display the pin dialog

        // to the user. Use back-off while posting the delayed

        // message. The initial value is

        // INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY and the max value is

        // MAX_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY. If the max value is

        // reached, display an error to the user.

        int attempt = mBluetoothService.getBondState().getAttempt(address);

        if (attempt * INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY >

                    MAX_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY) {

            mBluetoothService.getBondState().clearPinAttempts(address);

            mBluetoothService.getBondState().setBondState(address,

                    BluetoothDevice.BOND_NONE, result);

            return;

        }



        Message message = mHandler.obtainMessage(EVENT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY);

        message.obj = address;

        boolean postResult =  mHandler.sendMessageDelayed(message,

                                        attempt * INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY);

        if (!postResult) {

            mBluetoothService.getBondState().clearPinAttempts(address);

            mBluetoothService.getBondState().setBondState(address,

                    BluetoothDevice.BOND_NONE, result);

            return;

        }

        mBluetoothService.getBondState().attempt(address);

        mBluetoothService.onCreatePairedDeviceResult(address, result);

    }



    private void onDeviceCreated(String deviceObjectPath) {
@@ -285,8 +221,8 @@ class BluetoothEventLoop { 
    private void onDeviceRemoved(String deviceObjectPath) {

        String address = mBluetoothService.getAddressFromObjectPath(deviceObjectPath);

        if (address != null) {

            mBluetoothService.getBondState().setBondState(address.toUpperCase(),

                    BluetoothDevice.BOND_NONE, BluetoothDevice.UNBOND_REASON_REMOVED);

            mBluetoothService.setBondState(address.toUpperCase(), BluetoothDevice.BOND_NONE,

                BluetoothDevice.UNBOND_REASON_REMOVED);

            mBluetoothService.setRemoteDeviceProperty(address, "UUIDs", null);

        }

    }
@@ -417,13 +353,11 @@ class BluetoothEventLoop { 
                // If locally initiated pairing, we will

                // not go to BOND_BONDED state until we have received a

                // successful return value in onCreatePairedDeviceResult

                if (null == mBluetoothService.getBondState().getPendingOutgoingBonding()) {

                    mBluetoothService.getBondState().setBondState(address,

                            BluetoothDevice.BOND_BONDED);

                if (null == mBluetoothService.getPendingOutgoingBonding()) {

                    mBluetoothService.setBondState(address, BluetoothDevice.BOND_BONDED);

                }

            } else {

                mBluetoothService.getBondState().setBondState(address,

                        BluetoothDevice.BOND_NONE);

                mBluetoothService.setBondState(address, BluetoothDevice.BOND_NONE);

                mBluetoothService.setRemoteDeviceProperty(address, "Trusted", "false");

            }

        } else if (name.equals("Trusted")) {
@@ -453,8 +387,8 @@ class BluetoothEventLoop { 
        // Also set it only when the state is not already Bonded, we can sometimes

        // get an authorization request from the remote end if it doesn't have the link key

        // while we still have it.

        if (mBluetoothService.getBondState().getBondState(address) != BluetoothDevice.BOND_BONDED)

            mBluetoothService.getBondState().setBondState(address, BluetoothDevice.BOND_BONDING);

        if (mBluetoothService.getBondState(address) != BluetoothDevice.BOND_BONDED)

            mBluetoothService.setBondState(address, BluetoothDevice.BOND_BONDING);

        return address;

    }
@@ -468,7 +402,7 @@ class BluetoothEventLoop { 
         * so we may get this request many times. Also if we respond immediately,

         * the other end is unable to handle it. Delay sending the message.

         */

        if (mBluetoothService.getBondState().getBondState(address) == BluetoothDevice.BOND_BONDED) {

        if (mBluetoothService.getBondState(address) == BluetoothDevice.BOND_BONDED) {

            Message message = mHandler.obtainMessage(EVENT_PAIRING_CONSENT_DELAYED_ACCEPT);

            message.obj = address;

            mHandler.sendMessageDelayed(message, 1500);
@@ -522,7 +456,7 @@ class BluetoothEventLoop { 
        if (address == null) return;



        String pendingOutgoingAddress =

                mBluetoothService.getBondState().getPendingOutgoingBonding();

                mBluetoothService.getPendingOutgoingBonding();

        if (address.equals(pendingOutgoingAddress)) {

            // we initiated the bonding
@@ -543,12 +477,7 @@ class BluetoothEventLoop { 
            case BluetoothClass.Device.AUDIO_VIDEO_PORTABLE_AUDIO:

            case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO:

            case BluetoothClass.Device.AUDIO_VIDEO_HIFI_AUDIO:

                if (!mBluetoothService.getBondState().hasAutoPairingFailed(address) &&

                    !mBluetoothService.getBondState().isAutoPairingBlacklisted(address)) {

                    mBluetoothService.getBondState().attempt(address);

                    mBluetoothService.setPin(address, BluetoothDevice.convertPinToBytes("0000"));

                    return;

                }

                if (mBluetoothService.attemptAutoPair(address)) return;

           }

        }

        // Acquire wakelock during PIN code request to bring up LCD display

core/java/android/server/BluetoothService.java

+90 −2
Original line number Diff line number Diff line
@@ -104,6 +104,14 @@ public class BluetoothService extends IBluetooth.Stub { 
    private static final int MESSAGE_FINISH_DISABLE = 2;

    private static final int MESSAGE_UUID_INTENT = 3;

    private static final int MESSAGE_DISCOVERABLE_TIMEOUT = 4;

    private static final int MESSAGE_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 5;



    // The time (in millisecs) to delay the pairing attempt after the first

    // auto pairing attempt fails. We use an exponential delay with

    // INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY as the initial value and

    // MAX_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY as the max value.

    private static final long INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 3000;

    private static final long MAX_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 12000;



    // The timeout used to sent the UUIDs Intent

    // This timeout should be greater than the page timeout
@@ -502,6 +510,13 @@ public class BluetoothService extends IBluetooth.Stub { 
                    setScanMode(BluetoothAdapter.SCAN_MODE_CONNECTABLE, -1);

                }

                break;

            case MESSAGE_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY:

                address = (String)msg.obj;

                if (address != null) {

                    createBond(address);

                    return;

                }

                break;

            }

        }

    };
@@ -591,8 +606,68 @@ public class BluetoothService extends IBluetooth.Stub { 
        Binder.restoreCallingIdentity(origCallerIdentityToken);

    }



    /* package */ BondState getBondState() {

        return mBondState;

    /*package*/ synchronized boolean attemptAutoPair(String address) {

        if (!mBondState.hasAutoPairingFailed(address) &&

                !mBondState.isAutoPairingBlacklisted(address)) {

            mBondState.attempt(address);

            setPin(address, BluetoothDevice.convertPinToBytes("0000"));

            return true;

        }

        return false;

    }



    /*package*/ synchronized void onCreatePairedDeviceResult(String address, int result) {

        if (result == BluetoothDevice.BOND_SUCCESS) {

            setBondState(address, BluetoothDevice.BOND_BONDED);

            if (mBondState.isAutoPairingAttemptsInProgress(address)) {

                mBondState.clearPinAttempts(address);

            }

        } else if (result == BluetoothDevice.UNBOND_REASON_AUTH_FAILED &&

                mBondState.getAttempt(address) == 1) {

            mBondState.addAutoPairingFailure(address);

            pairingAttempt(address, result);

        } else if (result == BluetoothDevice.UNBOND_REASON_REMOTE_DEVICE_DOWN &&

              mBondState.isAutoPairingAttemptsInProgress(address)) {

            pairingAttempt(address, result);

        } else {

            setBondState(address, BluetoothDevice.BOND_NONE, result);

            if (mBondState.isAutoPairingAttemptsInProgress(address)) {

                mBondState.clearPinAttempts(address);

            }

        }

    }



    /*package*/ synchronized String getPendingOutgoingBonding() {

        return mBondState.getPendingOutgoingBonding();

    }



    private void pairingAttempt(String address, int result) {

        // This happens when our initial guess of "0000" as the pass key

        // fails. Try to create the bond again and display the pin dialog

        // to the user. Use back-off while posting the delayed

        // message. The initial value is

        // INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY and the max value is

        // MAX_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY. If the max value is

        // reached, display an error to the user.

        int attempt = mBondState.getAttempt(address);

        if (attempt * INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY >

                    MAX_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY) {

            mBondState.clearPinAttempts(address);

            setBondState(address, BluetoothDevice.BOND_NONE, result);

            return;

        }



        Message message = mHandler.obtainMessage(MESSAGE_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY);

        message.obj = address;

        boolean postResult =  mHandler.sendMessageDelayed(message,

                                        attempt * INIT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY);

        if (!postResult) {

            mBondState.clearPinAttempts(address);

            setBondState(address,

                    BluetoothDevice.BOND_NONE, result);

            return;

        }

        mBondState.attempt(address);

    }



    /** local cache of bonding state.
@@ -1259,6 +1334,10 @@ public class BluetoothService extends IBluetooth.Stub { 
        return mBondState.listInState(BluetoothDevice.BOND_BONDED);

    }



    /*package*/ synchronized String[] listInState(int state) {

      return mBondState.listInState(state);

    }



    public synchronized int getBondState(String address) {

        mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM, "Need BLUETOOTH permission");

        if (!BluetoothAdapter.checkBluetoothAddress(address)) {
@@ -1267,6 +1346,15 @@ public class BluetoothService extends IBluetooth.Stub { 
        return mBondState.getBondState(address.toUpperCase());

    }



    /*package*/ synchronized boolean setBondState(String address, int state) {

        return setBondState(address, state, 0);

    }



    /*package*/ synchronized boolean setBondState(String address, int state, int reason) {

        mBondState.setBondState(address.toUpperCase(), state);

        return true;

    }



    public synchronized boolean isBluetoothDock(String address) {

        SharedPreferences sp = mContext.getSharedPreferences(SHARED_PREFERENCES_NAME,

                mContext.MODE_PRIVATE);