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Commit 1c8b7927 authored by Zach Lee's avatar Zach Lee Committed by William Escande
Browse files

New logs for debugging scan mode issues 

Cherry picked from wear OS

Bug: 263323082
Bug: 187186042
Test: Manual
Change-Id: I89bf79f0827ad3daf77779cd07dfaf754dadc0da
(cherry picked from commit a9dfe7670f4af3ad661be1f3b38310e6b7f63453)
parent aea515f1

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

+30 −4
Original line number Diff line number Diff line
@@ -56,6 +56,8 @@ import com.android.bluetooth.BluetoothStatsLog; 
import com.android.bluetooth.Utils;

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



import com.google.common.collect.EvictingQueue;



import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.util.ArrayList;
@@ -92,6 +94,9 @@ class AdapterProperties { 
    private CopyOnWriteArrayList<BluetoothDevice> mBondedDevices =

            new CopyOnWriteArrayList<BluetoothDevice>();



    private static final int SCAN_MODE_CHANGES_MAX_SIZE = 10;

    private EvictingQueue<String> mScanModeChanges;



    private int mProfilesConnecting, mProfilesConnected, mProfilesDisconnecting;

    private final HashMap<Integer, Pair<Integer, Integer>> mProfileConnectionState =

            new HashMap<>();
@@ -201,6 +206,7 @@ class AdapterProperties { 
    AdapterProperties(AdapterService service) {

        mService = service;

        mAdapter = BluetoothAdapter.getDefaultAdapter();

        mScanModeChanges = EvictingQueue.create(SCAN_MODE_CHANGES_MAX_SIZE);

        invalidateBluetoothCaches();

    }
@@ -255,6 +261,7 @@ class AdapterProperties { 
        }

        mService = null;

        mBondedDevices.clear();

        mScanModeChanges.clear();

        invalidateBluetoothCaches();

    }
@@ -390,15 +397,28 @@ class AdapterProperties { 
    /**

     * Set the local adapter property - scanMode

     *

     * @param scanMode the ScanMode to set

     * @param scanMode the ScanMode to set, valid values are: {

     *     BluetoothAdapter.SCAN_MODE_NONE,

     *     BluetoothAdapter.SCAN_MODE_CONNECTABLE,

     *     BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE,

     *   }

     */

    boolean setScanMode(int scanMode) {

        addScanChangeLog(scanMode);

        synchronized (mObject) {

            return mService.setAdapterPropertyNative(AbstractionLayer.BT_PROPERTY_ADAPTER_SCAN_MODE,

                    Utils.intToByteArray(scanMode));

                    Utils.intToByteArray(AdapterService.convertScanModeToHal(scanMode)));

        }

    }



    private void addScanChangeLog(int scanMode) {

        String time = Utils.getLocalTimeString();

        String uidPid = Utils.getUidPidString();

        String scanModeString = dumpScanMode(scanMode);



        mScanModeChanges.add(time + " (" + uidPid + ") " + scanModeString);

    }



    /**

     * @return the mUuids

     */
@@ -1077,7 +1097,7 @@ class AdapterProperties { 
            mProfilesConnecting = 0;

            mProfilesDisconnecting = 0;

            // adapterPropertyChangedCallback has already been received.  Set the scan mode.

            setScanMode(AbstractionLayer.BT_SCAN_MODE_CONNECTABLE);

            setScanMode(BluetoothAdapter.SCAN_MODE_CONNECTABLE);

            // This keeps NV up-to date on first-boot after flash.

            setDiscoverableTimeout(mDiscoverableTimeout);

        }
@@ -1087,7 +1107,7 @@ class AdapterProperties { 
        // Sequence BLE_ON to STATE_OFF - that is _complete_ OFF state.

        debugLog("onBleDisable");

        // Set the scan_mode to NONE (no incoming connections).

        setScanMode(AbstractionLayer.BT_SCAN_MODE_NONE);

        setScanMode(BluetoothAdapter.SCAN_MODE_NONE);

    }



    void discoveryStateChangeCallback(int state) {
@@ -1141,6 +1161,12 @@ class AdapterProperties { 
            }

        }

        writer.println(sb.toString());



        writer.println("  " + "Scan Mode Changes:");

        for (String log : mScanModeChanges) {

            writer.println("    " + log);

        }



    }



    private String dumpDeviceType(int deviceType) {

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

+3 −3
Original line number Diff line number Diff line
@@ -729,7 +729,7 @@ public class AdapterService extends Service { 
    void stopProfileServices() {

        // Make sure to stop classic background tasks now

        cancelDiscoveryNative();

        mAdapterProperties.setScanMode(AbstractionLayer.BT_SCAN_MODE_NONE);

        mAdapterProperties.setScanMode(BluetoothAdapter.SCAN_MODE_NONE);



        Class[] supportedProfileServices = Config.getSupportedProfiles();

        // TODO(b/228875190): GATT is assumed supported. If we support no profiles then just move on
@@ -2025,7 +2025,7 @@ public class AdapterService extends Service { 
            }

            enforceBluetoothPrivilegedPermission(service);



            return service.mAdapterProperties.setScanMode(convertScanModeToHal(mode))

            return service.mAdapterProperties.setScanMode(mode)

                    ? BluetoothStatusCodes.SUCCESS : BluetoothStatusCodes.ERROR_UNKNOWN;

        }
@@ -5186,7 +5186,7 @@ public class AdapterService extends Service { 
                source.getUid(), source.getPackageName(), deviceAddress);

    }



    private static int convertScanModeToHal(int mode) {

    static int convertScanModeToHal(int mode) {

        switch (mode) {

            case BluetoothAdapter.SCAN_MODE_NONE:

                return AbstractionLayer.BT_SCAN_MODE_NONE;