Examples with Subscription com.eveningoutpost.dexdrip.utils.bt.Subscription used on opensource projects

Example 6 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip by NightscoutFoundation.

the class PendiqService method connect_to_device.

private synchronized void connect_to_device(boolean auto) {
    if ((state == CONNECT) || (state == STATE.CONNECT_NOW)) {
        // TODO check mac
        if (address != null) {
            // msg("Connect request");
            if (state == STATE.CONNECT_NOW) {
                if (connection_linger != null)
                    JoH.releaseWakeLock(connection_linger);
                connection_linger = JoH.getWakeLock("jam-pendiq-pconnect", 60000);
            }
            // if (d)
            // UserError.Log.d(TAG, "Local bonding state: " + (isDeviceLocallyBonded() ? "BONDED" : "NOT Bonded"));
            stopConnect();
            bleDevice = rxBleClient.getBleDevice(address);
            // / / Listen for connection state changes
            stateSubscription = new Subscription(bleDevice.observeConnectionStateChanges().subscribeOn(Schedulers.io()).subscribe(this::onConnectionStateChange, throwable -> {
                UserError.Log.wtf(TAG, "Got Error from state subscription: " + throwable);
            }));
            // Attempt to establish a connection
            connectionSubscription = new Subscription(bleDevice.establishConnection(auto).timeout(7, TimeUnit.MINUTES).subscribeOn(Schedulers.io()).subscribe(this::onConnectionReceived, this::onConnectionFailure));
        } else {
            UserError.Log.wtf(TAG, "No transmitter mac address!");
            changeState(SCAN);
        // state = STATE.SCAN;
        // backoff_automata(); // note backoff
        }
    } else {
        UserError.Log.wtf(TAG, "Attempt to connect when not in CONNECT state");
    }
}

Example 7 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip by NightscoutFoundation.

the class Ob1G5CollectionService method scan_for_device.

private synchronized void scan_for_device() {
    if (state == SCAN) {
        msg(gs(R.string.scanning));
        stopScan();
        // did we already find it?
        tryLoadingSavedMAC();
        if (always_scan || scan_next_run || (transmitterMAC == null) || (!transmitterID.equals(transmitterIDmatchingMAC)) || (static_last_timestamp < 1)) {
            // reset if set
            scan_next_run = false;
            // reset if set
            transmitterMAC = null;
            last_scan_started = JoH.tsl();
            scanWakeLock = JoH.getWakeLock("xdrip-jam-g5-scan", (int) Constants.MINUTE_IN_MS * 7);
            // "" if unset
            historicalTransmitterMAC = PersistentStore.getString(OB1G5_MACSTORE + transmitterID);
            ScanFilter filter;
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && historicalTransmitterMAC.length() > 5) {
                filter = new ScanFilter.Builder().setDeviceAddress(historicalTransmitterMAC).build();
            } else {
                final String localTransmitterID = transmitterID;
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && localTransmitterID != null && localTransmitterID.length() > 4) {
                    filter = new ScanFilter.Builder().setDeviceName(getTransmitterBluetoothName()).build();
                } else {
                    filter = new ScanFilter.Builder().build();
                }
            }
            scanSubscription = new Subscription(rxBleClient.scanBleDevices(new ScanSettings.Builder().setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES).setScanMode(android_wear ? ScanSettings.SCAN_MODE_BALANCED : minimize_scanning ? ScanSettings.SCAN_MODE_BALANCED : ScanSettings.SCAN_MODE_LOW_LATENCY).build(), // scan filter doesn't work reliable on android sdk 23+
            filter).subscribeOn(Schedulers.io()).subscribe(this::onScanResult, this::onScanFailure));
            if (minimize_scanning) {
                // Must be less than fail over timeout
                Inevitable.task(STOP_SCAN_TASK_ID, 320 * Constants.SECOND_IN_MS, this::stopScanWithTimeoutAndReschedule);
            }
            UserError.Log.d(TAG, "Scanning for: " + getTransmitterBluetoothName());
        } else {
            UserError.Log.d(TAG, "Transmitter mac already known: " + transmitterMAC);
            changeState(CONNECT);
        }
    } else {
        UserError.Log.wtf(TAG, "Attempt to scan when not in SCAN state");
    }
}

Example 8 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip-plus by jamorham.

the class MiBandService method enableNotification.

@SuppressLint("CheckResult")
private void enableNotification() {
    if (d)
        UserError.Log.d(TAG, "enableNotifications called");
    if (I.connection == null) {
        if (d)
            UserError.Log.d(TAG, "Cannot enable as connection is null!");
        return;
    }
    enableHeartRateNotification();
    if (I.isNotificationEnabled) {
        if (d)
            UserError.Log.d(TAG, "Notifications already enabled");
        changeNextState();
        return;
    }
    if (notifSubscriptionDeviceEvent != null) {
        notifSubscriptionDeviceEvent.unsubscribe();
    }
    if (notifSubscriptionHeartRateMeasurement != null) {
        notifSubscriptionHeartRateMeasurement.unsubscribe();
    }
    if (d)
        UserError.Log.d(TAG, "Requesting to enable device event notifications");
    I.connection.requestMtu(PREFERRED_MTU_SIZE).subscribe();
    notifSubscriptionDeviceEvent = new Subscription(I.connection.setupNotification(Const.UUID_CHARACTERISTIC_DEVICEEVENT).doOnNext(notificationObservable -> {
        I.isNotificationEnabled = true;
        changeNextState();
    }).flatMap(notificationObservable -> notificationObservable).observeOn(Schedulers.newThread()).subscribe(bytes -> {
        // incoming notifications
        if (d)
            UserError.Log.d(TAG, "Received device notification bytes: " + bytesToHex(bytes));
        handleDeviceEvent(bytes);
    }, throwable -> {
        UserError.Log.d(TAG, "Throwable in Record Notification: " + throwable);
        I.isNotificationEnabled = false;
        if (throwable instanceof BleCharacteristicNotFoundException) {
            // maybe legacy - ignore for now but needs better handling
            UserError.Log.d(TAG, "Characteristic not found for notification");
            changeNextState();
        } else {
            UserError.Log.d(TAG, "Disconnected exception");
            isNeedToAuthenticate = true;
            messageQueue.clear();
            changeState(CLOSE);
        }
    }));
}

Example 9 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip-plus by jamorham.

the class MiBandService method authPhase.

@SuppressLint("CheckResult")
private void authPhase() {
    extendWakeLock(30000);
    RxBleConnection connection = I.connection;
    if (d)
        UserError.Log.d(TAG, "Authorizing");
    if (I.connection == null) {
        if (d)
            UserError.Log.d(TAG, "Cannot enable as connection is null!");
        return;
    }
    String authKey = MiBand.getPersistentAuthKey();
    if (MiBand.getMibandType() == MI_BAND4) {
        if (authKey.isEmpty()) {
            authKey = MiBand.getAuthKey();
            if (authKey.isEmpty()) {
                authKey = AuthMessages.getAuthCodeFromFilesSystem(MiBand.getMac());
            }
            if (!AuthMessages.isValidAuthKey(authKey)) {
                JoH.static_toast_long("Wrong miband authorization key, please recheck a key and try to reconnect again");
                changeState(AUTHORIZE_FAILED);
                return;
            } else {
                MiBand.setAuthKey(authKey);
            }
        }
    }
    if (!AuthMessages.isValidAuthKey(authKey)) {
        authKey = "";
    }
    if (d)
        UserError.Log.d(TAG, "authKey: " + authKey);
    authorisation = new AuthMessages(MiBand.getMibandType(), authKey);
    if (d)
        UserError.Log.d(TAG, "localKey: " + JoH.bytesToHex(authorisation.getLocalKey()));
    authSubscription = new Subscription(connection.setupNotification(authorisation.getCharacteristicUUID()).timeout(20, // WARN
    TimeUnit.SECONDS).doOnNext(notificationObservable -> {
        if (d)
            UserError.Log.d(TAG, "Notification for auth enabled");
        if (MiBand.isAuthenticated()) {
            // get random key from band
            connection.writeCharacteristic(authorisation.getCharacteristicUUID(), authorisation.getAuthKeyRequest()).subscribe(val -> {
                if (d)
                    UserError.Log.d(TAG, "Wrote getAuthKeyRequest: " + JoH.bytesToHex(val));
            }, throwable -> {
                UserError.Log.e(TAG, "Could not getAuthKeyRequest: " + throwable);
            });
        } else {
            connection.writeCharacteristic(authorisation.getCharacteristicUUID(), authorisation.getAuthCommand()).subscribe(characteristicValue -> {
                UserError.Log.d(TAG, "Wrote getAuthCommand, got: " + JoH.bytesToHex(characteristicValue));
            }, throwable -> {
                UserError.Log.e(TAG, "Could not write getAuthCommand: " + throwable);
            });
        }
    }).flatMap(notificationObservable -> notificationObservable).subscribe(bytes -> {
        // incoming notifications
        if (d)
            UserError.Log.d(TAG, "Received auth notification bytes: " + bytesToHex(bytes));
        ProcessAuthCommands(connection, bytes);
    // changeNextState();
    }, throwable -> {
        UserError.Log.d(TAG, "Throwable in Record Notification: " + throwable);
        if (throwable instanceof BleCharacteristicNotFoundException) {
            // maybe legacy - ignore for now but needs better handling
            UserError.Log.d(TAG, "Characteristic not found for notification");
        } else if (throwable instanceof BleCannotSetCharacteristicNotificationException) {
            UserError.Log.e(TAG, "Problems setting notifications - disconnecting");
        } else if (throwable instanceof BleDisconnectedException) {
            UserError.Log.d(TAG, "Disconnected while enabling notifications");
        } else if (throwable instanceof TimeoutException) {
            // check if it is normal timeout
            if (!MiBand.isAuthenticated()) {
                String errorText = "MiBand authentication failed due to authentication timeout. When your Mi Band vibrates and blinks, tap it a few times in a row.";
                UserError.Log.d(TAG, errorText);
                JoH.static_toast_long(errorText);
            }
        }
        if (authSubscription != null) {
            authSubscription.unsubscribe();
        }
        changeState(CLOSE);
    }));
}

Example 10 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip-plus by jamorham.

the class Ob1G5CollectionService method discover_services.

private synchronized void discover_services() {
    if (state == DISCOVER) {
        if (connection != null) {
            if (d)
                UserError.Log.d(TAG, "Local bonding state: " + (isDeviceLocallyBonded() ? "BONDED" : "NOT Bonded"));
            stopDiscover();
            discoverSubscription = new Subscription(connection.discoverServices(10, TimeUnit.SECONDS).subscribe(this::onServicesDiscovered, this::onDiscoverFailed));
        } else {
            UserError.Log.e(TAG, "No connection when in DISCOVER state - reset");
            state = INIT;
            background_automata();
        }
    } else {
        UserError.Log.wtf(TAG, "Attempt to discover when not in DISCOVER state");
    }
}