2019-04-21 18:50:56 +02:00
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/* Copyright (C) 2015-2019 Andreas Böhler, Andreas Shimokawa, Carsten
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2019-11-23 21:52:46 +01:00
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Pfeiffer, Cre3per, Daniele Gobbetti, Sergey Trofimov, Uwe Hermann
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2017-03-10 14:53:19 +01:00
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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2015-08-03 23:09:49 +02:00
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package nodomain.freeyourgadget.gadgetbridge.service.btle;
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2015-04-19 02:37:29 +02:00
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2015-04-20 23:45:34 +02:00
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.bluetooth.BluetoothGatt;
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import android.bluetooth.BluetoothGattCallback;
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import android.bluetooth.BluetoothGattCharacteristic;
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2015-05-24 14:39:36 +02:00
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import android.bluetooth.BluetoothGattDescriptor;
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2019-01-29 11:00:58 +01:00
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import android.bluetooth.BluetoothGattServer;
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import android.bluetooth.BluetoothGattServerCallback;
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2015-04-20 23:45:34 +02:00
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import android.bluetooth.BluetoothGattService;
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2019-01-29 11:00:58 +01:00
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import android.bluetooth.BluetoothManager;
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2015-04-20 23:45:34 +02:00
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import android.bluetooth.BluetoothProfile;
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import android.content.Context;
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2018-09-06 18:21:21 +02:00
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import android.os.Handler;
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import android.os.Looper;
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2015-05-12 06:28:11 +02:00
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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2015-04-19 11:28:03 +02:00
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2016-09-20 23:09:42 +02:00
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import java.util.ArrayList;
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2015-04-26 00:53:48 +02:00
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import java.util.Collections;
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import java.util.List;
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2019-01-29 11:00:58 +01:00
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import java.util.Set;
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2019-02-27 09:21:41 +01:00
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import java.util.concurrent.BlockingQueue;
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2015-04-26 00:53:48 +02:00
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import java.util.concurrent.CountDownLatch;
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2019-02-27 09:21:41 +01:00
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import java.util.concurrent.LinkedBlockingQueue;
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2015-04-26 00:53:48 +02:00
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2019-01-26 15:52:40 +01:00
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import androidx.annotation.Nullable;
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2018-09-06 18:21:21 +02:00
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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2017-10-19 21:52:38 +02:00
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import nodomain.freeyourgadget.gadgetbridge.Logging;
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2015-08-03 23:09:49 +02:00
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice.State;
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2015-08-05 23:24:58 +02:00
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import nodomain.freeyourgadget.gadgetbridge.service.DeviceSupport;
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2019-11-19 14:40:20 +01:00
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import nodomain.freeyourgadget.gadgetbridge.service.receivers.AutoConnectIntervalReceiver;
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2015-04-26 00:53:48 +02:00
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2015-04-19 02:37:29 +02:00
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/**
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* One queue/thread per connectable device.
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*/
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public final class BtLEQueue {
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2015-05-12 06:28:11 +02:00
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private static final Logger LOG = LoggerFactory.getLogger(BtLEQueue.class);
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2015-04-19 11:28:03 +02:00
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2015-11-23 22:46:12 +01:00
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private final Object mGattMonitor = new Object();
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2015-11-23 23:04:46 +01:00
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private final GBDevice mGbDevice;
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private final BluetoothAdapter mBluetoothAdapter;
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2015-04-19 02:37:29 +02:00
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private BluetoothGatt mBluetoothGatt;
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2019-01-29 11:00:58 +01:00
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private BluetoothGattServer mBluetoothGattServer;
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private final Set<BluetoothGattService> mSupportedServerServices;
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2015-07-13 21:54:46 +02:00
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2019-02-27 09:21:41 +01:00
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private final BlockingQueue<AbstractTransaction> mTransactions = new LinkedBlockingQueue<>();
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2015-04-19 02:37:29 +02:00
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private volatile boolean mDisposed;
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2015-04-25 23:47:28 +02:00
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private volatile boolean mCrashed;
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2015-04-19 02:37:29 +02:00
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private volatile boolean mAbortTransaction;
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2019-01-29 11:00:58 +01:00
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private volatile boolean mAbortServerTransaction;
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2015-04-19 11:28:03 +02:00
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2015-11-23 23:04:46 +01:00
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private final Context mContext;
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2015-04-19 02:37:29 +02:00
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private CountDownLatch mWaitForActionResultLatch;
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2019-01-29 11:00:58 +01:00
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private CountDownLatch mWaitForServerActionResultLatch;
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2015-04-19 02:37:29 +02:00
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private CountDownLatch mConnectionLatch;
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private BluetoothGattCharacteristic mWaitCharacteristic;
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2015-08-05 23:24:58 +02:00
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private final InternalGattCallback internalGattCallback;
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2019-01-29 11:00:58 +01:00
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private final InternalGattServerCallback internalGattServerCallback;
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2016-04-28 23:17:13 +02:00
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private boolean mAutoReconnect;
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2015-04-19 11:28:03 +02:00
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2016-12-01 17:28:51 +01:00
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private Thread dispatchThread = new Thread("Gadgetbridge GATT Dispatcher") {
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2015-04-19 02:37:29 +02:00
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2015-04-20 23:45:34 +02:00
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@Override
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2015-04-19 02:37:29 +02:00
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public void run() {
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2015-05-12 06:28:11 +02:00
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LOG.debug("Queue Dispatch Thread started.");
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2015-04-25 23:47:28 +02:00
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while (!mDisposed && !mCrashed) {
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2015-04-19 11:28:03 +02:00
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try {
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2019-02-27 09:21:41 +01:00
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AbstractTransaction qTransaction = mTransactions.take();
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2015-08-05 23:24:58 +02:00
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2015-04-19 11:28:03 +02:00
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if (!isConnected()) {
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2016-02-18 23:35:55 +01:00
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LOG.debug("not connected, waiting for connection...");
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2015-04-19 11:28:03 +02:00
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// TODO: request connection and initialization from the outside and wait until finished
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2015-09-10 00:00:52 +02:00
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internalGattCallback.reset();
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2015-04-19 11:28:03 +02:00
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// wait until the connection succeeds before running the actions
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// Note that no automatic connection is performed. This has to be triggered
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// on the outside typically by the DeviceSupport. The reason is that
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// devices have different kinds of initializations and this class has no
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// idea about them.
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mConnectionLatch = new CountDownLatch(1);
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mConnectionLatch.await();
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mConnectionLatch = null;
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}
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2019-02-27 09:21:41 +01:00
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if(qTransaction instanceof ServerTransaction) {
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ServerTransaction serverTransaction = (ServerTransaction)qTransaction;
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2019-01-29 11:00:58 +01:00
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internalGattServerCallback.setTransactionGattCallback(serverTransaction.getGattCallback());
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mAbortServerTransaction = false;
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for (BtLEServerAction action : serverTransaction.getActions()) {
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if (mAbortServerTransaction) { // got disconnected
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LOG.info("Aborting running transaction");
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break;
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}
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if (LOG.isDebugEnabled()) {
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LOG.debug("About to run action: " + action);
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}
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if (action.run(mBluetoothGattServer)) {
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// check again, maybe due to some condition, action did not need to write, so we can't wait
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boolean waitForResult = action.expectsResult();
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if (waitForResult) {
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mWaitForServerActionResultLatch.await();
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mWaitForServerActionResultLatch = null;
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if (mAbortServerTransaction) {
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break;
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}
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}
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} else {
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LOG.error("Action returned false: " + action);
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break; // abort the transaction
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}
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2018-09-14 20:11:27 +02:00
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}
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2019-01-29 11:00:58 +01:00
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}
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2019-02-27 09:21:41 +01:00
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if(qTransaction instanceof Transaction) {
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Transaction transaction = (Transaction)qTransaction;
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2019-01-29 11:00:58 +01:00
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internalGattCallback.setTransactionGattCallback(transaction.getGattCallback());
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mAbortTransaction = false;
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// Run all actions of the transaction until one doesn't succeed
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for (BtLEAction action : transaction.getActions()) {
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if (mAbortTransaction) { // got disconnected
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LOG.info("Aborting running transaction");
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break;
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}
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mWaitCharacteristic = action.getCharacteristic();
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mWaitForActionResultLatch = new CountDownLatch(1);
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if (LOG.isDebugEnabled()) {
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LOG.debug("About to run action: " + action);
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}
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if (action instanceof GattListenerAction) {
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// this special action overwrites the transaction gatt listener (if any), it must
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// always be the last action in the transaction
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internalGattCallback.setTransactionGattCallback(((GattListenerAction) action).getGattCallback());
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}
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if (action.run(mBluetoothGatt)) {
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// check again, maybe due to some condition, action did not need to write, so we can't wait
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boolean waitForResult = action.expectsResult();
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if (waitForResult) {
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mWaitForActionResultLatch.await();
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mWaitForActionResultLatch = null;
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if (mAbortTransaction) {
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break;
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}
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2015-05-17 21:55:02 +02:00
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}
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2019-01-29 11:00:58 +01:00
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} else {
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LOG.error("Action returned false: " + action);
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break; // abort the transaction
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2015-04-19 11:28:03 +02:00
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}
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}
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}
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} catch (InterruptedException ignored) {
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mConnectionLatch = null;
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2015-05-12 06:28:11 +02:00
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LOG.debug("Thread interrupted");
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2015-04-25 23:47:28 +02:00
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} catch (Throwable ex) {
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2015-10-18 22:08:52 +02:00
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LOG.error("Queue Dispatch Thread died: " + ex.getMessage(), ex);
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2015-04-25 23:47:28 +02:00
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mCrashed = true;
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mConnectionLatch = null;
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2015-04-19 11:28:03 +02:00
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} finally {
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2015-05-28 00:26:41 +02:00
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mWaitForActionResultLatch = null;
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2015-04-19 11:28:03 +02:00
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mWaitCharacteristic = null;
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}
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}
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2015-05-12 06:28:11 +02:00
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LOG.info("Queue Dispatch Thread terminated.");
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2015-04-19 11:28:03 +02:00
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}
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2015-04-19 02:37:29 +02:00
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};
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2019-01-29 11:00:58 +01:00
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public BtLEQueue(BluetoothAdapter bluetoothAdapter, GBDevice gbDevice, GattCallback externalGattCallback, GattServerCallback externalGattServerCallback, Context context, Set<BluetoothGattService> supportedServerServices) {
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2015-04-19 02:37:29 +02:00
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mBluetoothAdapter = bluetoothAdapter;
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mGbDevice = gbDevice;
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2015-08-05 23:24:58 +02:00
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internalGattCallback = new InternalGattCallback(externalGattCallback);
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2019-01-29 11:00:58 +01:00
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internalGattServerCallback = new InternalGattServerCallback(externalGattServerCallback);
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2015-04-19 02:37:29 +02:00
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mContext = context;
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2019-01-29 11:00:58 +01:00
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mSupportedServerServices = supportedServerServices;
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2015-04-19 11:28:03 +02:00
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2015-04-19 02:37:29 +02:00
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dispatchThread.start();
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}
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2015-04-19 11:28:03 +02:00
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2016-04-28 23:17:13 +02:00
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public void setAutoReconnect(boolean enable) {
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mAutoReconnect = enable;
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}
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2015-04-19 02:37:29 +02:00
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protected boolean isConnected() {
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return mGbDevice.isConnected();
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}
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/**
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* Connects to the given remote device. Note that this does not perform any device
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* specific initialization. This should be done in the specific {@link DeviceSupport}
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* class.
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2015-04-19 11:28:03 +02:00
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*
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2015-04-25 23:47:28 +02:00
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* @return <code>true</code> whether the connection attempt was successfully triggered and <code>false</code> if that failed or if there is already a connection
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2015-04-19 02:37:29 +02:00
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*/
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public boolean connect() {
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2015-04-25 23:47:28 +02:00
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if (isConnected()) {
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2015-05-12 06:28:11 +02:00
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LOG.warn("Ingoring connect() because already connected.");
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2015-04-25 23:47:28 +02:00
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return false;
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2015-04-19 02:37:29 +02:00
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}
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2015-05-22 23:15:45 +02:00
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synchronized (mGattMonitor) {
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if (mBluetoothGatt != null) {
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2016-12-01 20:18:36 +01:00
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// Tribal knowledge says you're better off not reusing existing BluetoothGatt connections,
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2015-05-22 23:15:45 +02:00
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// so create a new one.
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LOG.info("connect() requested -- disconnecting previous connection: " + mGbDevice.getName());
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disconnect();
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}
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}
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2015-05-12 06:28:11 +02:00
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LOG.info("Attempting to connect to " + mGbDevice.getName());
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2015-11-01 23:32:25 +01:00
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mBluetoothAdapter.cancelDiscovery();
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2015-04-19 02:37:29 +02:00
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BluetoothDevice remoteDevice = mBluetoothAdapter.getRemoteDevice(mGbDevice.getAddress());
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2019-01-29 11:00:58 +01:00
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if(!mSupportedServerServices.isEmpty()) {
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BluetoothManager bluetoothManager = (BluetoothManager) mContext.getSystemService(Context.BLUETOOTH_SERVICE);
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if (bluetoothManager == null) {
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LOG.error("Error getting bluetoothManager");
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return false;
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}
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mBluetoothGattServer = bluetoothManager.openGattServer(mContext, internalGattServerCallback);
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if (mBluetoothGattServer == null) {
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LOG.error("Error opening Gatt Server");
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return false;
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}
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for(BluetoothGattService service : mSupportedServerServices) {
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mBluetoothGattServer.addService(service);
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}
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}
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2019-10-08 13:37:25 +02:00
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2015-05-22 23:15:45 +02:00
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synchronized (mGattMonitor) {
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2016-04-09 09:53:03 +02:00
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// connectGatt with true doesn't really work ;( too often connection problems
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2018-09-06 18:21:21 +02:00
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if (GBApplication.isRunningMarshmallowOrLater()) {
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mBluetoothGatt = remoteDevice.connectGatt(mContext, false, internalGattCallback, BluetoothDevice.TRANSPORT_LE);
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} else {
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mBluetoothGatt = remoteDevice.connectGatt(mContext, false, internalGattCallback);
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}
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2015-05-22 23:15:45 +02:00
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}
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2016-04-09 09:53:03 +02:00
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boolean result = mBluetoothGatt != null;
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2015-10-22 00:32:16 +02:00
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if (result) {
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setDeviceConnectionState(State.CONNECTING);
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}
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return result;
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2015-04-19 02:37:29 +02:00
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}
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2015-04-19 11:28:03 +02:00
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2015-04-19 02:37:29 +02:00
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private void setDeviceConnectionState(State newState) {
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2016-02-18 23:35:55 +01:00
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LOG.debug("new device connection state: " + newState);
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2019-10-08 13:37:25 +02:00
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2015-04-19 02:37:29 +02:00
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mGbDevice.setState(newState);
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mGbDevice.sendDeviceUpdateIntent(mContext);
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2016-02-18 23:35:55 +01:00
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if (mConnectionLatch != null && newState == State.CONNECTED) {
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2015-04-19 02:37:29 +02:00
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mConnectionLatch.countDown();
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}
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}
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public void disconnect() {
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2015-05-22 23:15:45 +02:00
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synchronized (mGattMonitor) {
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2016-02-18 23:35:55 +01:00
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LOG.debug("disconnect()");
|
2015-08-14 00:23:01 +02:00
|
|
|
BluetoothGatt gatt = mBluetoothGatt;
|
|
|
|
if (gatt != null) {
|
2015-05-22 23:15:45 +02:00
|
|
|
mBluetoothGatt = null;
|
2015-08-14 00:23:01 +02:00
|
|
|
LOG.info("Disconnecting BtLEQueue from GATT device");
|
|
|
|
gatt.disconnect();
|
|
|
|
gatt.close();
|
2015-06-07 15:31:42 +02:00
|
|
|
setDeviceConnectionState(State.NOT_CONNECTED);
|
2015-05-22 23:15:45 +02:00
|
|
|
}
|
2019-01-29 11:00:58 +01:00
|
|
|
BluetoothGattServer gattServer = mBluetoothGattServer;
|
|
|
|
if (gattServer != null) {
|
|
|
|
mBluetoothGattServer = null;
|
|
|
|
gattServer.clearServices();
|
|
|
|
gattServer.close();
|
|
|
|
}
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-07-13 21:54:46 +02:00
|
|
|
private void handleDisconnected(int status) {
|
2016-02-18 23:35:55 +01:00
|
|
|
LOG.debug("handleDisconnected: " + status);
|
2015-08-18 00:08:22 +02:00
|
|
|
internalGattCallback.reset();
|
2015-04-19 02:37:29 +02:00
|
|
|
mTransactions.clear();
|
2015-08-14 00:23:01 +02:00
|
|
|
mAbortTransaction = true;
|
2019-01-29 11:00:58 +01:00
|
|
|
mAbortServerTransaction = true;
|
2015-04-19 02:37:29 +02:00
|
|
|
if (mWaitForActionResultLatch != null) {
|
|
|
|
mWaitForActionResultLatch.countDown();
|
|
|
|
}
|
2019-01-29 11:00:58 +01:00
|
|
|
if (mWaitForServerActionResultLatch != null) {
|
|
|
|
mWaitForServerActionResultLatch.countDown();
|
|
|
|
}
|
2019-02-27 09:21:41 +01:00
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
setDeviceConnectionState(State.NOT_CONNECTED);
|
2015-07-13 21:54:46 +02:00
|
|
|
|
2015-05-22 23:15:45 +02:00
|
|
|
// either we've been disconnected because the device is out of range
|
|
|
|
// or because of an explicit @{link #disconnect())
|
|
|
|
// To support automatic reconnection, we keep the mBluetoothGatt instance
|
2015-07-13 21:54:46 +02:00
|
|
|
// alive (we do not close() it). Unfortunately we sometimes have problems
|
|
|
|
// reconnecting automatically, so we try to fix this by re-creating mBluetoothGatt.
|
2015-08-14 00:23:01 +02:00
|
|
|
// Not sure if this actually works without re-initializing the device...
|
2017-04-20 23:00:43 +02:00
|
|
|
if (mBluetoothGatt != null) {
|
2019-11-19 14:40:20 +01:00
|
|
|
if (!maybeReconnect()) {
|
2015-08-14 00:23:01 +02:00
|
|
|
disconnect(); // ensure that we start over cleanly next time
|
|
|
|
}
|
2015-07-13 21:54:46 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-08-14 00:23:01 +02:00
|
|
|
/**
|
|
|
|
* Depending on certain criteria, connects to the BluetoothGatt.
|
2015-09-24 14:45:21 +02:00
|
|
|
*
|
2015-08-14 00:23:01 +02:00
|
|
|
* @return true if a reconnection attempt was made, or false otherwise
|
|
|
|
*/
|
|
|
|
private boolean maybeReconnect() {
|
2016-04-28 23:17:13 +02:00
|
|
|
if (mAutoReconnect && mBluetoothGatt != null) {
|
|
|
|
LOG.info("Enabling automatic ble reconnect...");
|
2016-05-26 23:48:05 +02:00
|
|
|
boolean result = mBluetoothGatt.connect();
|
|
|
|
if (result) {
|
|
|
|
setDeviceConnectionState(State.WAITING_FOR_RECONNECT);
|
|
|
|
}
|
|
|
|
return result;
|
2015-07-13 21:54:46 +02:00
|
|
|
}
|
2015-08-14 00:23:01 +02:00
|
|
|
return false;
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
2015-04-19 11:28:03 +02:00
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
public void dispose() {
|
|
|
|
if (mDisposed) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
mDisposed = true;
|
|
|
|
// try {
|
2015-04-19 11:28:03 +02:00
|
|
|
disconnect();
|
|
|
|
dispatchThread.interrupt();
|
|
|
|
dispatchThread = null;
|
2015-04-19 02:37:29 +02:00
|
|
|
// dispatchThread.join();
|
|
|
|
// } catch (InterruptedException ex) {
|
2015-05-12 06:28:11 +02:00
|
|
|
// LOG.error("Exception while disposing BtLEQueue", ex);
|
2015-04-19 02:37:29 +02:00
|
|
|
// }
|
|
|
|
}
|
2015-04-19 11:28:03 +02:00
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
/**
|
|
|
|
* Adds a transaction to the end of the queue.
|
2015-04-19 11:28:03 +02:00
|
|
|
*
|
2015-04-19 02:37:29 +02:00
|
|
|
* @param transaction
|
|
|
|
*/
|
|
|
|
public void add(Transaction transaction) {
|
2015-05-12 06:28:11 +02:00
|
|
|
LOG.debug("about to add: " + transaction);
|
2015-04-19 02:37:29 +02:00
|
|
|
if (!transaction.isEmpty()) {
|
|
|
|
mTransactions.add(transaction);
|
2019-01-29 11:00:58 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Adds a serverTransaction to the end of the queue
|
|
|
|
*
|
|
|
|
* @param transaction
|
|
|
|
*/
|
|
|
|
public void add(ServerTransaction transaction) {
|
|
|
|
LOG.debug("about to add: " + transaction);
|
|
|
|
if(!transaction.isEmpty()) {
|
2019-02-27 09:21:41 +01:00
|
|
|
mTransactions.add(transaction);
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
}
|
2015-04-19 11:28:03 +02:00
|
|
|
|
2016-09-20 23:09:42 +02:00
|
|
|
/**
|
|
|
|
* Adds a transaction to the beginning of the queue.
|
|
|
|
* Note that actions of the *currently executing* transaction
|
|
|
|
* will still be executed before the given transaction.
|
|
|
|
*
|
|
|
|
* @param transaction
|
|
|
|
*/
|
|
|
|
public void insert(Transaction transaction) {
|
|
|
|
LOG.debug("about to insert: " + transaction);
|
|
|
|
if (!transaction.isEmpty()) {
|
2019-02-27 09:21:41 +01:00
|
|
|
List<AbstractTransaction> tail = new ArrayList<>(mTransactions.size() + 2);
|
2019-01-29 11:00:58 +01:00
|
|
|
//mTransactions.drainTo(tail);
|
2019-02-27 09:21:41 +01:00
|
|
|
for( AbstractTransaction t : mTransactions) {
|
2019-01-29 11:00:58 +01:00
|
|
|
tail.add(t);
|
|
|
|
}
|
|
|
|
mTransactions.clear();
|
2016-09-20 23:09:42 +02:00
|
|
|
mTransactions.add(transaction);
|
|
|
|
mTransactions.addAll(tail);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
public void clear() {
|
|
|
|
mTransactions.clear();
|
|
|
|
}
|
2015-04-19 11:28:03 +02:00
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
/**
|
|
|
|
* Retrieves a list of supported GATT services on the connected device. This should be
|
|
|
|
* invoked only after {@code BluetoothGatt#discoverServices()} completes successfully.
|
|
|
|
*
|
|
|
|
* @return A {@code List} of supported services.
|
|
|
|
*/
|
|
|
|
public List<BluetoothGattService> getSupportedGattServices() {
|
|
|
|
if (mBluetoothGatt == null) {
|
2015-05-12 06:28:11 +02:00
|
|
|
LOG.warn("BluetoothGatt is null => no services available.");
|
2015-04-19 02:37:29 +02:00
|
|
|
return Collections.emptyList();
|
|
|
|
}
|
|
|
|
return mBluetoothGatt.getServices();
|
|
|
|
}
|
|
|
|
|
2015-05-22 23:15:45 +02:00
|
|
|
private boolean checkCorrectGattInstance(BluetoothGatt gatt, String where) {
|
2016-02-13 00:09:35 +01:00
|
|
|
if (gatt != mBluetoothGatt && mBluetoothGatt != null) {
|
|
|
|
LOG.info("Ignoring event from wrong BluetoothGatt instance: " + where + "; " + gatt);
|
2015-05-22 23:15:45 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2019-01-29 11:00:58 +01:00
|
|
|
private boolean checkCorrectBluetoothDevice(BluetoothDevice device) {
|
|
|
|
//BluetoothDevice clientDevice = mBluetoothAdapter.getRemoteDevice(mGbDevice.getAddress());
|
|
|
|
|
|
|
|
if(!device.getAddress().equals(mGbDevice.getAddress())) { // != clientDevice && clientDevice != null) {
|
|
|
|
LOG.info("Ignoring request from wrong Bluetooth device: " + device.getAddress());
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
// Implements callback methods for GATT events that the app cares about. For example,
|
|
|
|
// connection change and services discovered.
|
2015-08-05 23:24:58 +02:00
|
|
|
private final class InternalGattCallback extends BluetoothGattCallback {
|
2015-09-24 14:45:21 +02:00
|
|
|
private
|
|
|
|
@Nullable
|
|
|
|
GattCallback mTransactionGattCallback;
|
2015-11-23 23:04:46 +01:00
|
|
|
private final GattCallback mExternalGattCallback;
|
2015-08-05 23:24:58 +02:00
|
|
|
|
|
|
|
public InternalGattCallback(GattCallback externalGattCallback) {
|
|
|
|
mExternalGattCallback = externalGattCallback;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void setTransactionGattCallback(@Nullable GattCallback callback) {
|
|
|
|
mTransactionGattCallback = callback;
|
|
|
|
}
|
|
|
|
|
|
|
|
private GattCallback getCallbackToUse() {
|
|
|
|
if (mTransactionGattCallback != null) {
|
|
|
|
return mTransactionGattCallback;
|
|
|
|
}
|
|
|
|
return mExternalGattCallback;
|
|
|
|
}
|
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
@Override
|
|
|
|
public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
|
2015-05-25 23:14:02 +02:00
|
|
|
LOG.debug("connection state change, newState: " + newState + getStatusString(status));
|
2015-05-24 23:12:54 +02:00
|
|
|
|
2016-05-26 19:03:38 +02:00
|
|
|
synchronized (mGattMonitor) {
|
|
|
|
if (mBluetoothGatt == null) {
|
|
|
|
mBluetoothGatt = gatt;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-05-22 23:15:45 +02:00
|
|
|
if (!checkCorrectGattInstance(gatt, "connection state event")) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2015-05-24 23:12:54 +02:00
|
|
|
if (status != BluetoothGatt.GATT_SUCCESS) {
|
2015-05-28 23:26:17 +02:00
|
|
|
LOG.warn("connection state event with error status " + status);
|
2015-05-24 23:12:54 +02:00
|
|
|
}
|
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
switch (newState) {
|
2015-04-19 11:28:03 +02:00
|
|
|
case BluetoothProfile.STATE_CONNECTED:
|
2015-05-12 06:28:11 +02:00
|
|
|
LOG.info("Connected to GATT server.");
|
2015-04-19 11:28:03 +02:00
|
|
|
setDeviceConnectionState(State.CONNECTED);
|
|
|
|
// Attempts to discover services after successful connection.
|
2016-07-08 22:15:36 +02:00
|
|
|
List<BluetoothGattService> cachedServices = gatt.getServices();
|
|
|
|
if (cachedServices != null && cachedServices.size() > 0) {
|
|
|
|
LOG.info("Using cached services, skipping discovery");
|
|
|
|
onServicesDiscovered(gatt, BluetoothGatt.GATT_SUCCESS);
|
|
|
|
} else {
|
2018-09-06 18:21:21 +02:00
|
|
|
LOG.info("Attempting to start service discovery");
|
|
|
|
// discover services in the main thread (appears to fix Samsung connection problems)
|
|
|
|
new Handler(Looper.getMainLooper()).post(new Runnable() {
|
|
|
|
@Override
|
|
|
|
public void run() {
|
|
|
|
if (mBluetoothGatt != null) {
|
|
|
|
mBluetoothGatt.discoverServices();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
});
|
2016-07-08 22:15:36 +02:00
|
|
|
}
|
2015-04-19 11:28:03 +02:00
|
|
|
break;
|
|
|
|
case BluetoothProfile.STATE_DISCONNECTED:
|
2015-05-12 06:28:11 +02:00
|
|
|
LOG.info("Disconnected from GATT server.");
|
2015-07-13 21:54:46 +02:00
|
|
|
handleDisconnected(status);
|
2015-04-19 11:28:03 +02:00
|
|
|
break;
|
|
|
|
case BluetoothProfile.STATE_CONNECTING:
|
2015-05-12 06:28:11 +02:00
|
|
|
LOG.info("Connecting to GATT server...");
|
2015-04-19 11:28:03 +02:00
|
|
|
setDeviceConnectionState(State.CONNECTING);
|
|
|
|
break;
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onServicesDiscovered(BluetoothGatt gatt, int status) {
|
2015-05-25 23:14:02 +02:00
|
|
|
if (!checkCorrectGattInstance(gatt, "services discovered: " + getStatusString(status))) {
|
2015-05-22 23:15:45 +02:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
if (status == BluetoothGatt.GATT_SUCCESS) {
|
2015-08-05 23:24:58 +02:00
|
|
|
if (getCallbackToUse() != null) {
|
2015-04-19 02:37:29 +02:00
|
|
|
// only propagate the successful event
|
2015-08-05 23:24:58 +02:00
|
|
|
getCallbackToUse().onServicesDiscovered(gatt);
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
} else {
|
2015-05-12 06:28:11 +02:00
|
|
|
LOG.warn("onServicesDiscovered received: " + status);
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
|
2015-05-25 23:14:02 +02:00
|
|
|
LOG.debug("characteristic write: " + characteristic.getUuid() + getStatusString(status));
|
2015-05-22 23:15:45 +02:00
|
|
|
if (!checkCorrectGattInstance(gatt, "characteristic write")) {
|
|
|
|
return;
|
|
|
|
}
|
2015-08-05 23:24:58 +02:00
|
|
|
if (getCallbackToUse() != null) {
|
|
|
|
getCallbackToUse().onCharacteristicWrite(gatt, characteristic, status);
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
checkWaitingCharacteristic(characteristic, status);
|
|
|
|
}
|
|
|
|
|
2019-11-14 04:53:19 +01:00
|
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onMtuChanged(BluetoothGatt gatt, int mtu, int status) {
|
|
|
|
super.onMtuChanged(gatt, mtu, status);
|
|
|
|
|
|
|
|
if(getCallbackToUse() != null){
|
|
|
|
getCallbackToUse().onMtuChanged(gatt, mtu, status);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
@Override
|
|
|
|
public void onCharacteristicRead(BluetoothGatt gatt,
|
|
|
|
BluetoothGattCharacteristic characteristic,
|
|
|
|
int status) {
|
2015-05-25 23:14:02 +02:00
|
|
|
LOG.debug("characteristic read: " + characteristic.getUuid() + getStatusString(status));
|
2015-05-22 23:15:45 +02:00
|
|
|
if (!checkCorrectGattInstance(gatt, "characteristic read")) {
|
|
|
|
return;
|
|
|
|
}
|
2015-08-05 23:24:58 +02:00
|
|
|
if (getCallbackToUse() != null) {
|
2015-10-04 00:00:53 +02:00
|
|
|
try {
|
|
|
|
getCallbackToUse().onCharacteristicRead(gatt, characteristic, status);
|
|
|
|
} catch (Throwable ex) {
|
2015-10-18 17:29:41 +02:00
|
|
|
LOG.error("onCharacteristicRead: " + ex.getMessage(), ex);
|
2015-10-04 00:00:53 +02:00
|
|
|
}
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
checkWaitingCharacteristic(characteristic, status);
|
|
|
|
}
|
|
|
|
|
2015-05-24 14:39:36 +02:00
|
|
|
@Override
|
|
|
|
public void onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
|
2015-05-25 23:14:02 +02:00
|
|
|
LOG.debug("descriptor read: " + descriptor.getUuid() + getStatusString(status));
|
2015-05-24 14:39:36 +02:00
|
|
|
if (!checkCorrectGattInstance(gatt, "descriptor read")) {
|
|
|
|
return;
|
|
|
|
}
|
2015-08-05 23:24:58 +02:00
|
|
|
if (getCallbackToUse() != null) {
|
2015-10-04 00:00:53 +02:00
|
|
|
try {
|
|
|
|
getCallbackToUse().onDescriptorRead(gatt, descriptor, status);
|
|
|
|
} catch (Throwable ex) {
|
|
|
|
LOG.error("onDescriptorRead: " + ex.getMessage(), ex);
|
|
|
|
}
|
2015-05-24 14:39:36 +02:00
|
|
|
}
|
|
|
|
checkWaitingCharacteristic(descriptor.getCharacteristic(), status);
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
|
2015-05-25 23:14:02 +02:00
|
|
|
LOG.debug("descriptor write: " + descriptor.getUuid() + getStatusString(status));
|
2015-05-24 14:39:36 +02:00
|
|
|
if (!checkCorrectGattInstance(gatt, "descriptor write")) {
|
|
|
|
return;
|
|
|
|
}
|
2015-08-05 23:24:58 +02:00
|
|
|
if (getCallbackToUse() != null) {
|
2015-10-04 00:00:53 +02:00
|
|
|
try {
|
|
|
|
getCallbackToUse().onDescriptorWrite(gatt, descriptor, status);
|
|
|
|
} catch (Throwable ex) {
|
|
|
|
LOG.error("onDescriptorWrite: " + ex.getMessage(), ex);
|
|
|
|
}
|
2015-05-24 14:39:36 +02:00
|
|
|
}
|
|
|
|
checkWaitingCharacteristic(descriptor.getCharacteristic(), status);
|
|
|
|
}
|
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
@Override
|
|
|
|
public void onCharacteristicChanged(BluetoothGatt gatt,
|
|
|
|
BluetoothGattCharacteristic characteristic) {
|
2015-10-19 20:48:39 +02:00
|
|
|
if (LOG.isDebugEnabled()) {
|
2017-10-19 21:52:38 +02:00
|
|
|
String content = Logging.formatBytes(characteristic.getValue());
|
2016-02-29 20:54:39 +01:00
|
|
|
LOG.debug("characteristic changed: " + characteristic.getUuid() + " value: " + content);
|
2015-10-19 15:16:21 +02:00
|
|
|
}
|
2015-05-22 23:15:45 +02:00
|
|
|
if (!checkCorrectGattInstance(gatt, "characteristic changed")) {
|
|
|
|
return;
|
|
|
|
}
|
2015-08-05 23:24:58 +02:00
|
|
|
if (getCallbackToUse() != null) {
|
2015-10-04 00:00:53 +02:00
|
|
|
try {
|
|
|
|
getCallbackToUse().onCharacteristicChanged(gatt, characteristic);
|
|
|
|
} catch (Throwable ex) {
|
|
|
|
LOG.error("onCharaceristicChanged: " + ex.getMessage(), ex);
|
|
|
|
}
|
2015-09-09 23:23:38 +02:00
|
|
|
} else {
|
|
|
|
LOG.info("No gattcallback registered, ignoring characteristic change");
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
|
2015-05-25 23:14:02 +02:00
|
|
|
LOG.debug("remote rssi: " + rssi + getStatusString(status));
|
2015-05-22 23:15:45 +02:00
|
|
|
if (!checkCorrectGattInstance(gatt, "remote rssi")) {
|
|
|
|
return;
|
|
|
|
}
|
2015-08-05 23:24:58 +02:00
|
|
|
if (getCallbackToUse() != null) {
|
2015-10-04 00:00:53 +02:00
|
|
|
try {
|
|
|
|
getCallbackToUse().onReadRemoteRssi(gatt, rssi, status);
|
|
|
|
} catch (Throwable ex) {
|
|
|
|
LOG.error("onReadRemoteRssi: " + ex.getMessage(), ex);
|
|
|
|
}
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
}
|
2015-04-19 11:28:03 +02:00
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
private void checkWaitingCharacteristic(BluetoothGattCharacteristic characteristic, int status) {
|
|
|
|
if (status != BluetoothGatt.GATT_SUCCESS) {
|
2018-09-23 11:27:35 +02:00
|
|
|
if (characteristic != null) {
|
|
|
|
LOG.debug("failed btle action, aborting transaction: " + characteristic.getUuid() + getStatusString(status));
|
|
|
|
}
|
2015-04-19 02:37:29 +02:00
|
|
|
mAbortTransaction = true;
|
|
|
|
}
|
|
|
|
if (characteristic != null && BtLEQueue.this.mWaitCharacteristic != null && characteristic.getUuid().equals(BtLEQueue.this.mWaitCharacteristic.getUuid())) {
|
|
|
|
if (mWaitForActionResultLatch != null) {
|
|
|
|
mWaitForActionResultLatch.countDown();
|
|
|
|
}
|
2015-05-17 21:55:02 +02:00
|
|
|
} else {
|
|
|
|
if (BtLEQueue.this.mWaitCharacteristic != null) {
|
2015-11-23 22:46:12 +01:00
|
|
|
LOG.error("checkWaitingCharacteristic: mismatched characteristic received: " + ((characteristic != null && characteristic.getUuid() != null) ? characteristic.getUuid().toString() : "(null)"));
|
2015-05-17 21:55:02 +02:00
|
|
|
}
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|
|
|
|
}
|
2015-05-25 23:14:02 +02:00
|
|
|
|
2015-08-05 23:24:58 +02:00
|
|
|
private String getStatusString(int status) {
|
|
|
|
return status == BluetoothGatt.GATT_SUCCESS ? " (success)" : " (failed: " + status + ")";
|
|
|
|
}
|
|
|
|
|
|
|
|
public void reset() {
|
2015-09-09 23:39:57 +02:00
|
|
|
if (LOG.isDebugEnabled()) {
|
|
|
|
LOG.debug("internal gatt callback set to null");
|
|
|
|
}
|
2015-08-05 23:24:58 +02:00
|
|
|
mTransactionGattCallback = null;
|
|
|
|
}
|
2015-09-24 14:45:21 +02:00
|
|
|
}
|
2019-01-29 11:00:58 +01:00
|
|
|
|
|
|
|
// Implements callback methods for GATT server events that the app cares about. For example,
|
|
|
|
// connection change and read/write requests.
|
|
|
|
private final class InternalGattServerCallback extends BluetoothGattServerCallback {
|
|
|
|
private
|
|
|
|
@Nullable
|
|
|
|
GattServerCallback mTransactionGattCallback;
|
|
|
|
private final GattServerCallback mExternalGattServerCallback;
|
|
|
|
|
|
|
|
public InternalGattServerCallback(GattServerCallback externalGattServerCallback) {
|
|
|
|
mExternalGattServerCallback = externalGattServerCallback;
|
|
|
|
}
|
|
|
|
|
|
|
|
public void setTransactionGattCallback(@Nullable GattServerCallback callback) {
|
|
|
|
mTransactionGattCallback = callback;
|
|
|
|
}
|
|
|
|
|
|
|
|
private GattServerCallback getCallbackToUse() {
|
|
|
|
if (mTransactionGattCallback != null) {
|
|
|
|
return mTransactionGattCallback;
|
|
|
|
}
|
|
|
|
return mExternalGattServerCallback;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onConnectionStateChange(BluetoothDevice device, int status, int newState) {
|
|
|
|
LOG.debug("gatt server connection state change, newState: " + newState + getStatusString(status));
|
|
|
|
|
|
|
|
if(!checkCorrectBluetoothDevice(device)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (status != BluetoothGatt.GATT_SUCCESS) {
|
|
|
|
LOG.warn("connection state event with error status " + status);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
private String getStatusString(int status) {
|
|
|
|
return status == BluetoothGatt.GATT_SUCCESS ? " (success)" : " (failed: " + status + ")";
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onCharacteristicReadRequest(BluetoothDevice device, int requestId, int offset, BluetoothGattCharacteristic characteristic) {
|
|
|
|
if(!checkCorrectBluetoothDevice(device)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
LOG.debug("characterstic read request: " + device.getAddress() + " characteristic: " + characteristic.getUuid());
|
|
|
|
if (getCallbackToUse() != null) {
|
|
|
|
getCallbackToUse().onCharacteristicReadRequest(device, requestId, offset, characteristic);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onCharacteristicWriteRequest(BluetoothDevice device, int requestId, BluetoothGattCharacteristic characteristic, boolean preparedWrite, boolean responseNeeded, int offset, byte[] value) {
|
|
|
|
if(!checkCorrectBluetoothDevice(device)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
LOG.debug("characteristic write request: " + device.getAddress() + " characteristic: " + characteristic.getUuid());
|
|
|
|
if (getCallbackToUse() != null) {
|
|
|
|
getCallbackToUse().onCharacteristicWriteRequest(device, requestId, characteristic, preparedWrite, responseNeeded, offset, value);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onDescriptorReadRequest(BluetoothDevice device, int requestId, int offset, BluetoothGattDescriptor descriptor) {
|
|
|
|
if(!checkCorrectBluetoothDevice(device)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
LOG.debug("onDescriptorReadRequest: " + device.getAddress());
|
|
|
|
if(getCallbackToUse() != null) {
|
|
|
|
getCallbackToUse().onDescriptorReadRequest(device, requestId, offset, descriptor);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public void onDescriptorWriteRequest(BluetoothDevice device, int requestId, BluetoothGattDescriptor descriptor, boolean preparedWrite, boolean responseNeeded, int offset, byte[] value) {
|
|
|
|
if(!checkCorrectBluetoothDevice(device)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
LOG.debug("onDescriptorWriteRequest: " + device.getAddress());
|
|
|
|
if(getCallbackToUse() != null) {
|
|
|
|
getCallbackToUse().onDescriptorWriteRequest(device, requestId, descriptor, preparedWrite, responseNeeded, offset, value);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2015-04-19 02:37:29 +02:00
|
|
|
}
|