| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.location; |
| |
| import android.app.AlarmManager; |
| import android.app.AppOpsManager; |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.database.ContentObserver; |
| import android.hardware.location.GeofenceHardware; |
| import android.hardware.location.GeofenceHardwareImpl; |
| import android.location.Criteria; |
| import android.location.FusedBatchOptions; |
| import android.location.GnssMeasurementsEvent; |
| import android.location.GnssNavigationMessage; |
| import android.location.GnssStatus; |
| import android.location.IGpsGeofenceHardware; |
| import android.location.INetInitiatedListener; |
| import android.location.Location; |
| import android.location.LocationListener; |
| import android.location.LocationManager; |
| import android.location.LocationProvider; |
| import android.location.LocationRequest; |
| import android.os.AsyncTask; |
| import android.os.BatteryStats; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.PersistableBundle; |
| import android.os.PowerManager; |
| import android.os.PowerManager.ServiceType; |
| import android.os.PowerSaveState; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.os.WorkSource; |
| import android.os.WorkSource.WorkChain; |
| import android.provider.Settings; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener; |
| import android.telephony.TelephonyManager; |
| import android.telephony.gsm.GsmCellLocation; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.StatsLog; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.app.IBatteryStats; |
| import com.android.internal.location.GpsNetInitiatedHandler; |
| import com.android.internal.location.GpsNetInitiatedHandler.GpsNiNotification; |
| import com.android.internal.location.ProviderProperties; |
| import com.android.internal.location.ProviderRequest; |
| import com.android.internal.location.gnssmetrics.GnssMetrics; |
| import com.android.server.location.GnssSatelliteBlacklistHelper.GnssSatelliteBlacklistCallback; |
| import com.android.server.location.NtpTimeHelper.InjectNtpTimeCallback; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * A GNSS implementation of LocationProvider used by LocationManager. |
| * |
| * {@hide} |
| */ |
| public class GnssLocationProvider extends AbstractLocationProvider implements |
| InjectNtpTimeCallback, |
| GnssSatelliteBlacklistCallback { |
| |
| /** |
| * Indicates that this method is a native entry point. Useful purely for IDEs which can |
| * understand entry points, and thus eliminate incorrect warnings about methods not used. |
| */ |
| @Target(ElementType.METHOD) |
| @Retention(RetentionPolicy.SOURCE) |
| private @interface NativeEntryPoint { |
| } |
| |
| private static final String TAG = "GnssLocationProvider"; |
| |
| private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| private static final boolean VERBOSE = Log.isLoggable(TAG, Log.VERBOSE); |
| |
| private static final ProviderProperties PROPERTIES = new ProviderProperties( |
| true, true, false, false, true, true, true, |
| Criteria.POWER_HIGH, Criteria.ACCURACY_FINE); |
| |
| // these need to match GnssPositionMode enum in IGnss.hal |
| private static final int GPS_POSITION_MODE_STANDALONE = 0; |
| private static final int GPS_POSITION_MODE_MS_BASED = 1; |
| private static final int GPS_POSITION_MODE_MS_ASSISTED = 2; |
| |
| // these need to match GnssPositionRecurrence enum in IGnss.hal |
| private static final int GPS_POSITION_RECURRENCE_PERIODIC = 0; |
| private static final int GPS_POSITION_RECURRENCE_SINGLE = 1; |
| |
| // these need to match GnssStatusValue enum in IGnssCallback.hal |
| private static final int GPS_STATUS_NONE = 0; |
| private static final int GPS_STATUS_SESSION_BEGIN = 1; |
| private static final int GPS_STATUS_SESSION_END = 2; |
| private static final int GPS_STATUS_ENGINE_ON = 3; |
| private static final int GPS_STATUS_ENGINE_OFF = 4; |
| |
| // these need to match GnssLocationFlags enum in types.hal |
| private static final int LOCATION_INVALID = 0; |
| private static final int LOCATION_HAS_LAT_LONG = 1; |
| private static final int LOCATION_HAS_ALTITUDE = 2; |
| private static final int LOCATION_HAS_SPEED = 4; |
| private static final int LOCATION_HAS_BEARING = 8; |
| private static final int LOCATION_HAS_HORIZONTAL_ACCURACY = 16; |
| private static final int LOCATION_HAS_VERTICAL_ACCURACY = 32; |
| private static final int LOCATION_HAS_SPEED_ACCURACY = 64; |
| private static final int LOCATION_HAS_BEARING_ACCURACY = 128; |
| |
| // these need to match ElapsedRealtimeFlags enum in types.hal |
| private static final int ELAPSED_REALTIME_HAS_TIMESTAMP_NS = 1; |
| private static final int ELAPSED_REALTIME_HAS_TIME_UNCERTAINTY_NS = 2; |
| |
| // IMPORTANT - the GPS_DELETE_* symbols here must match GnssAidingData enum in IGnss.hal |
| private static final int GPS_DELETE_EPHEMERIS = 0x0001; |
| private static final int GPS_DELETE_ALMANAC = 0x0002; |
| private static final int GPS_DELETE_POSITION = 0x0004; |
| private static final int GPS_DELETE_TIME = 0x0008; |
| private static final int GPS_DELETE_IONO = 0x0010; |
| private static final int GPS_DELETE_UTC = 0x0020; |
| private static final int GPS_DELETE_HEALTH = 0x0040; |
| private static final int GPS_DELETE_SVDIR = 0x0080; |
| private static final int GPS_DELETE_SVSTEER = 0x0100; |
| private static final int GPS_DELETE_SADATA = 0x0200; |
| private static final int GPS_DELETE_RTI = 0x0400; |
| private static final int GPS_DELETE_CELLDB_INFO = 0x8000; |
| private static final int GPS_DELETE_ALL = 0xFFFF; |
| |
| // The GPS_CAPABILITY_* flags must match Capabilities enum in IGnssCallback.hal |
| private static final int GPS_CAPABILITY_SCHEDULING = 0x0000001; |
| private static final int GPS_CAPABILITY_MSB = 0x0000002; |
| private static final int GPS_CAPABILITY_MSA = 0x0000004; |
| private static final int GPS_CAPABILITY_SINGLE_SHOT = 0x0000008; |
| private static final int GPS_CAPABILITY_ON_DEMAND_TIME = 0x0000010; |
| |
| // The following three capability flags are removed in IGnssCallback.hal@2.0 and their values |
| // are marked reserved and not reused in 2.0 to avoid confusion with prior versions. |
| public static final int GPS_CAPABILITY_GEOFENCING = 0x0000020; |
| public static final int GPS_CAPABILITY_MEASUREMENTS = 0x0000040; |
| public static final int GPS_CAPABILITY_NAV_MESSAGES = 0x0000080; |
| |
| private static final int GPS_CAPABILITY_LOW_POWER_MODE = 0x0000100; |
| private static final int GPS_CAPABILITY_SATELLITE_BLACKLIST = 0x0000200; |
| |
| // The AGPS SUPL mode |
| private static final int AGPS_SUPL_MODE_MSA = 0x02; |
| private static final int AGPS_SUPL_MODE_MSB = 0x01; |
| |
| private static final int SET_REQUEST = 3; |
| private static final int INJECT_NTP_TIME = 5; |
| private static final int DOWNLOAD_XTRA_DATA = 6; |
| private static final int UPDATE_LOCATION = 7; // Handle external location from network listener |
| private static final int DOWNLOAD_XTRA_DATA_FINISHED = 11; |
| private static final int SUBSCRIPTION_OR_CARRIER_CONFIG_CHANGED = 12; |
| private static final int INITIALIZE_HANDLER = 13; |
| private static final int REQUEST_LOCATION = 16; |
| private static final int REPORT_LOCATION = 17; // HAL reports location |
| private static final int REPORT_SV_STATUS = 18; // HAL reports SV status |
| |
| // Request setid |
| private static final int AGPS_RIL_REQUEST_SETID_IMSI = 1; |
| private static final int AGPS_RIL_REQUEST_SETID_MSISDN = 2; |
| |
| // ref. location info |
| private static final int AGPS_REF_LOCATION_TYPE_GSM_CELLID = 1; |
| private static final int AGPS_REF_LOCATION_TYPE_UMTS_CELLID = 2; |
| |
| // set id info |
| private static final int AGPS_SETID_TYPE_NONE = 0; |
| private static final int AGPS_SETID_TYPE_IMSI = 1; |
| private static final int AGPS_SETID_TYPE_MSISDN = 2; |
| |
| private static final int GPS_GEOFENCE_UNAVAILABLE = 1 << 0L; |
| private static final int GPS_GEOFENCE_AVAILABLE = 1 << 1L; |
| |
| // GPS Geofence errors. Should match GeofenceStatus enum in IGnssGeofenceCallback.hal. |
| private static final int GPS_GEOFENCE_OPERATION_SUCCESS = 0; |
| private static final int GPS_GEOFENCE_ERROR_TOO_MANY_GEOFENCES = 100; |
| private static final int GPS_GEOFENCE_ERROR_ID_EXISTS = -101; |
| private static final int GPS_GEOFENCE_ERROR_ID_UNKNOWN = -102; |
| private static final int GPS_GEOFENCE_ERROR_INVALID_TRANSITION = -103; |
| private static final int GPS_GEOFENCE_ERROR_GENERIC = -149; |
| |
| // TCP/IP constants. |
| // Valid TCP/UDP port range is (0, 65535]. |
| private static final int TCP_MIN_PORT = 0; |
| private static final int TCP_MAX_PORT = 0xffff; |
| |
| // 1 second, or 1 Hz frequency. |
| private static final long LOCATION_UPDATE_MIN_TIME_INTERVAL_MILLIS = 1000; |
| // Default update duration in milliseconds for REQUEST_LOCATION. |
| private static final long LOCATION_UPDATE_DURATION_MILLIS = 10 * 1000; |
| |
| /** simpler wrapper for ProviderRequest + Worksource */ |
| private static class GpsRequest { |
| public ProviderRequest request; |
| public WorkSource source; |
| |
| public GpsRequest(ProviderRequest request, WorkSource source) { |
| this.request = request; |
| this.source = source; |
| } |
| } |
| |
| // Threadsafe class to hold stats reported in the Extras Bundle |
| private static class LocationExtras { |
| private int mSvCount; |
| private int mMeanCn0; |
| private int mMaxCn0; |
| private final Bundle mBundle; |
| |
| public LocationExtras() { |
| mBundle = new Bundle(); |
| } |
| |
| public void set(int svCount, int meanCn0, int maxCn0) { |
| synchronized (this) { |
| mSvCount = svCount; |
| mMeanCn0 = meanCn0; |
| mMaxCn0 = maxCn0; |
| } |
| setBundle(mBundle); |
| } |
| |
| public void reset() { |
| set(0, 0, 0); |
| } |
| |
| // Also used by outside methods to add to other bundles |
| public void setBundle(Bundle extras) { |
| if (extras != null) { |
| synchronized (this) { |
| extras.putInt("satellites", mSvCount); |
| extras.putInt("meanCn0", mMeanCn0); |
| extras.putInt("maxCn0", mMaxCn0); |
| } |
| } |
| } |
| |
| public Bundle getBundle() { |
| synchronized (this) { |
| return new Bundle(mBundle); |
| } |
| } |
| } |
| |
| private final Object mLock = new Object(); |
| |
| // current status |
| private int mStatus = LocationProvider.TEMPORARILY_UNAVAILABLE; |
| |
| // time for last status update |
| private long mStatusUpdateTime = SystemClock.elapsedRealtime(); |
| |
| // turn off GPS fix icon if we haven't received a fix in 10 seconds |
| private static final long RECENT_FIX_TIMEOUT = 10 * 1000; |
| |
| // stop trying if we do not receive a fix within 60 seconds |
| private static final int NO_FIX_TIMEOUT = 60 * 1000; |
| |
| // if the fix interval is below this we leave GPS on, |
| // if above then we cycle the GPS driver. |
| // Typical hot TTTF is ~5 seconds, so 10 seconds seems sane. |
| private static final int GPS_POLLING_THRESHOLD_INTERVAL = 10 * 1000; |
| |
| // how long to wait if we have a network error in NTP or XTRA downloading |
| // the initial value of the exponential backoff |
| // current setting - 5 minutes |
| private static final long RETRY_INTERVAL = 5 * 60 * 1000; |
| // how long to wait if we have a network error in NTP or XTRA downloading |
| // the max value of the exponential backoff |
| // current setting - 4 hours |
| private static final long MAX_RETRY_INTERVAL = 4 * 60 * 60 * 1000; |
| |
| // Timeout when holding wakelocks for downloading XTRA data. |
| private static final long DOWNLOAD_XTRA_DATA_TIMEOUT_MS = 60 * 1000; |
| |
| private final ExponentialBackOff mXtraBackOff = new ExponentialBackOff(RETRY_INTERVAL, |
| MAX_RETRY_INTERVAL); |
| |
| // true if we are enabled, protected by this |
| private boolean mEnabled; |
| |
| private boolean mShutdown; |
| |
| // states for injecting ntp and downloading xtra data |
| private static final int STATE_PENDING_NETWORK = 0; |
| private static final int STATE_DOWNLOADING = 1; |
| private static final int STATE_IDLE = 2; |
| |
| // flags to trigger NTP or XTRA data download when network becomes available |
| // initialized to true so we do NTP and XTRA when the network comes up after booting |
| private int mDownloadXtraDataPending = STATE_PENDING_NETWORK; |
| |
| // true if GPS is navigating |
| private boolean mNavigating; |
| |
| // requested frequency of fixes, in milliseconds |
| private int mFixInterval = 1000; |
| |
| // true if low power mode for the GNSS chipset is part of the latest request. |
| private boolean mLowPowerMode = false; |
| |
| // true if we started navigation |
| private boolean mStarted; |
| |
| // capabilities of the GPS engine |
| private volatile int mEngineCapabilities; |
| |
| // true if XTRA is supported |
| private boolean mSupportsXtra; |
| |
| // for calculating time to first fix |
| private long mFixRequestTime = 0; |
| // time to first fix for most recent session |
| private int mTimeToFirstFix = 0; |
| // time we received our last fix |
| private long mLastFixTime; |
| |
| private int mPositionMode; |
| private GnssPositionMode mLastPositionMode; |
| |
| // Current request from underlying location clients. |
| private ProviderRequest mProviderRequest; |
| // The WorkSource associated with the most recent client request (i.e, most recent call to |
| // setRequest). |
| private WorkSource mWorkSource = null; |
| // True if gps should be disabled (used to support battery saver mode in settings). |
| private boolean mDisableGps = false; |
| |
| /** |
| * Properties loaded from PROPERTIES_FILE. |
| * It must be accessed only inside {@link #mHandler}. |
| */ |
| private GnssConfiguration mGnssConfiguration; |
| |
| private String mSuplServerHost; |
| private int mSuplServerPort = TCP_MIN_PORT; |
| private String mC2KServerHost; |
| private int mC2KServerPort; |
| private boolean mSuplEsEnabled = false; |
| |
| private final Looper mLooper; |
| private final LocationExtras mLocationExtras = new LocationExtras(); |
| private final GnssStatusListenerHelper mGnssStatusListenerHelper; |
| private final GnssMeasurementsProvider mGnssMeasurementsProvider; |
| private final GnssMeasurementCorrectionsProvider mGnssMeasurementCorrectionsProvider; |
| private final GnssNavigationMessageProvider mGnssNavigationMessageProvider; |
| private final LocationChangeListener mNetworkLocationListener = new NetworkLocationListener(); |
| private final LocationChangeListener mFusedLocationListener = new FusedLocationListener(); |
| private final NtpTimeHelper mNtpTimeHelper; |
| private final GnssBatchingProvider mGnssBatchingProvider; |
| private final GnssGeofenceProvider mGnssGeofenceProvider; |
| // Available only on GNSS HAL 2.0 implementations and later. |
| private GnssVisibilityControl mGnssVisibilityControl; |
| |
| // Handler for processing events |
| private Handler mHandler; |
| |
| private final GnssNetworkConnectivityHandler mNetworkConnectivityHandler; |
| private final GpsNetInitiatedHandler mNIHandler; |
| |
| // Wakelocks |
| private final static String WAKELOCK_KEY = "GnssLocationProvider"; |
| private final PowerManager.WakeLock mWakeLock; |
| private static final String DOWNLOAD_EXTRA_WAKELOCK_KEY = "GnssLocationProviderXtraDownload"; |
| private final PowerManager.WakeLock mDownloadXtraWakeLock; |
| |
| // Alarms |
| private final static String ALARM_WAKEUP = "com.android.internal.location.ALARM_WAKEUP"; |
| private final static String ALARM_TIMEOUT = "com.android.internal.location.ALARM_TIMEOUT"; |
| |
| private final PowerManager mPowerManager; |
| private final AlarmManager mAlarmManager; |
| private final PendingIntent mWakeupIntent; |
| private final PendingIntent mTimeoutIntent; |
| |
| private final AppOpsManager mAppOps; |
| private final IBatteryStats mBatteryStats; |
| |
| // Current list of underlying location clients. |
| // only modified on handler thread |
| private WorkSource mClientSource = new WorkSource(); |
| |
| private GeofenceHardwareImpl mGeofenceHardwareImpl; |
| |
| // Volatile for simple inter-thread sync on these values. |
| private volatile int mHardwareYear = 0; |
| private volatile String mHardwareModelName; |
| |
| // Set lower than the current ITAR limit of 600m/s to allow this to trigger even if GPS HAL |
| // stops output right at 600m/s, depriving this of the information of a device that reaches |
| // greater than 600m/s, and higher than the speed of sound to avoid impacting most use cases. |
| private static final float ITAR_SPEED_LIMIT_METERS_PER_SECOND = 400.0F; |
| |
| private volatile boolean mItarSpeedLimitExceeded = false; |
| |
| // GNSS Metrics |
| private GnssMetrics mGnssMetrics; |
| |
| public GnssStatusListenerHelper getGnssStatusProvider() { |
| return mGnssStatusListenerHelper; |
| } |
| |
| public IGpsGeofenceHardware getGpsGeofenceProxy() { |
| return mGnssGeofenceProvider; |
| } |
| |
| public GnssMeasurementsProvider getGnssMeasurementsProvider() { |
| return mGnssMeasurementsProvider; |
| } |
| |
| public GnssMeasurementCorrectionsProvider getGnssMeasurementCorrectionsProvider() { |
| return mGnssMeasurementCorrectionsProvider; |
| } |
| |
| public GnssNavigationMessageProvider getGnssNavigationMessageProvider() { |
| return mGnssNavigationMessageProvider; |
| } |
| private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (DEBUG) Log.d(TAG, "receive broadcast intent, action: " + action); |
| if (action == null) { |
| return; |
| } |
| |
| switch (action) { |
| case ALARM_WAKEUP: |
| startNavigating(); |
| break; |
| case ALARM_TIMEOUT: |
| hibernate(); |
| break; |
| case PowerManager.ACTION_POWER_SAVE_MODE_CHANGED: |
| case PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED: |
| case Intent.ACTION_SCREEN_OFF: |
| case Intent.ACTION_SCREEN_ON: |
| updateLowPowerMode(); |
| break; |
| case CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED: |
| subscriptionOrCarrierConfigChanged(context); |
| break; |
| } |
| } |
| }; |
| |
| // TODO: replace OnSubscriptionsChangedListener with ACTION_DEFAULT_DATA_SUBSCRIPTION_CHANGED |
| // broadcast receiver. |
| private final OnSubscriptionsChangedListener mOnSubscriptionsChangedListener = |
| new OnSubscriptionsChangedListener() { |
| @Override |
| public void onSubscriptionsChanged() { |
| sendMessage(SUBSCRIPTION_OR_CARRIER_CONFIG_CHANGED, 0, null); |
| } |
| }; |
| |
| /** |
| * Implements {@link GnssSatelliteBlacklistCallback#onUpdateSatelliteBlacklist}. |
| */ |
| @Override |
| public void onUpdateSatelliteBlacklist(int[] constellations, int[] svids) { |
| mHandler.post(() -> mGnssConfiguration.setSatelliteBlacklist(constellations, svids)); |
| } |
| |
| private void subscriptionOrCarrierConfigChanged(Context context) { |
| if (DEBUG) Log.d(TAG, "received SIM related action: "); |
| TelephonyManager phone = (TelephonyManager) |
| mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| CarrierConfigManager configManager = (CarrierConfigManager) |
| mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE); |
| String mccMnc = phone.getSimOperator(); |
| boolean isKeepLppProfile = false; |
| if (!TextUtils.isEmpty(mccMnc)) { |
| if (DEBUG) Log.d(TAG, "SIM MCC/MNC is available: " + mccMnc); |
| synchronized (mLock) { |
| if (configManager != null) { |
| PersistableBundle b = configManager.getConfig(); |
| if (b != null) { |
| isKeepLppProfile = |
| b.getBoolean(CarrierConfigManager.Gps.KEY_PERSIST_LPP_MODE_BOOL); |
| } |
| } |
| if (isKeepLppProfile) { |
| // load current properties for the carrier |
| mGnssConfiguration.loadPropertiesFromCarrierConfig(); |
| String lpp_profile = mGnssConfiguration.getLppProfile(); |
| // set the persist property LPP_PROFILE for the value |
| if (lpp_profile != null) { |
| SystemProperties.set(GnssConfiguration.LPP_PROFILE, lpp_profile); |
| } |
| } else { |
| // reset the persist property |
| SystemProperties.set(GnssConfiguration.LPP_PROFILE, ""); |
| } |
| reloadGpsProperties(); |
| mNIHandler.setSuplEsEnabled(mSuplEsEnabled); |
| } |
| } else { |
| if (DEBUG) Log.d(TAG, "SIM MCC/MNC is still not available"); |
| } |
| } |
| |
| private void updateLowPowerMode() { |
| // Disable GPS if we are in device idle mode. |
| boolean disableGps = mPowerManager.isDeviceIdleMode(); |
| final PowerSaveState result = |
| mPowerManager.getPowerSaveState(ServiceType.LOCATION); |
| switch (result.locationMode) { |
| case PowerManager.LOCATION_MODE_GPS_DISABLED_WHEN_SCREEN_OFF: |
| case PowerManager.LOCATION_MODE_ALL_DISABLED_WHEN_SCREEN_OFF: |
| // If we are in battery saver mode and the screen is off, disable GPS. |
| disableGps |= result.batterySaverEnabled && !mPowerManager.isInteractive(); |
| break; |
| } |
| if (disableGps != mDisableGps) { |
| mDisableGps = disableGps; |
| updateEnabled(); |
| updateRequirements(); |
| } |
| } |
| |
| public static boolean isSupported() { |
| return native_is_supported(); |
| } |
| |
| private void reloadGpsProperties() { |
| mGnssConfiguration.reloadGpsProperties(); |
| setSuplHostPort(); |
| // TODO: we should get rid of C2K specific setting. |
| mC2KServerHost = mGnssConfiguration.getC2KHost(); |
| mC2KServerPort = mGnssConfiguration.getC2KPort(TCP_MIN_PORT); |
| mNIHandler.setEmergencyExtensionSeconds(mGnssConfiguration.getEsExtensionSec()); |
| mSuplEsEnabled = mGnssConfiguration.getSuplEs(0) == 1; |
| if (mGnssVisibilityControl != null) { |
| mGnssVisibilityControl.updateProxyApps(mGnssConfiguration.getProxyApps()); |
| } |
| } |
| |
| public GnssLocationProvider(Context context, LocationProviderManager locationProviderManager, |
| Looper looper) { |
| super(context, locationProviderManager); |
| |
| mLooper = looper; |
| |
| // Create a wake lock |
| mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, WAKELOCK_KEY); |
| mWakeLock.setReferenceCounted(true); |
| |
| // Create a separate wake lock for xtra downloader as it may be released due to timeout. |
| mDownloadXtraWakeLock = mPowerManager.newWakeLock( |
| PowerManager.PARTIAL_WAKE_LOCK, DOWNLOAD_EXTRA_WAKELOCK_KEY); |
| mDownloadXtraWakeLock.setReferenceCounted(true); |
| |
| mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); |
| mWakeupIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_WAKEUP), 0); |
| mTimeoutIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_TIMEOUT), 0); |
| |
| mNetworkConnectivityHandler = new GnssNetworkConnectivityHandler( |
| context, |
| GnssLocationProvider.this::onNetworkAvailable, |
| looper); |
| |
| // App ops service to keep track of who is accessing the GPS |
| mAppOps = mContext.getSystemService(AppOpsManager.class); |
| |
| // Battery statistics service to be notified when GPS turns on or off |
| mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService( |
| BatteryStats.SERVICE_NAME)); |
| |
| // Construct internal handler |
| mHandler = new ProviderHandler(looper); |
| |
| // Load GPS configuration and register listeners in the background: |
| // some operations, such as opening files and registering broadcast receivers, can take a |
| // relative long time, so the ctor() is kept to create objects needed by this instance, |
| // while IO initialization and registration is delegated to our internal handler |
| // this approach is just fine because events are posted to our handler anyway |
| mGnssConfiguration = new GnssConfiguration(mContext); |
| // Create a GPS net-initiated handler (also needed by handleInitialize) |
| mNIHandler = new GpsNetInitiatedHandler(context, |
| mNetInitiatedListener, |
| mSuplEsEnabled); |
| sendMessage(INITIALIZE_HANDLER, 0, null); |
| |
| mGnssStatusListenerHelper = new GnssStatusListenerHelper(mContext, mHandler) { |
| @Override |
| protected boolean isAvailableInPlatform() { |
| return isSupported(); |
| } |
| |
| @Override |
| protected boolean isGpsEnabled() { |
| return isEnabled(); |
| } |
| }; |
| |
| mGnssMeasurementsProvider = new GnssMeasurementsProvider(mContext, mHandler) { |
| @Override |
| protected boolean isGpsEnabled() { |
| return isEnabled(); |
| } |
| }; |
| |
| mGnssMeasurementCorrectionsProvider = new GnssMeasurementCorrectionsProvider(mHandler); |
| |
| mGnssNavigationMessageProvider = new GnssNavigationMessageProvider(mContext, mHandler) { |
| @Override |
| protected boolean isGpsEnabled() { |
| return isEnabled(); |
| } |
| }; |
| |
| mGnssMetrics = new GnssMetrics(mBatteryStats); |
| mNtpTimeHelper = new NtpTimeHelper(mContext, looper, this); |
| GnssSatelliteBlacklistHelper gnssSatelliteBlacklistHelper = |
| new GnssSatelliteBlacklistHelper(mContext, |
| looper, this); |
| mHandler.post(gnssSatelliteBlacklistHelper::updateSatelliteBlacklist); |
| mGnssBatchingProvider = new GnssBatchingProvider(); |
| mGnssGeofenceProvider = new GnssGeofenceProvider(); |
| |
| mContext.registerReceiverAsUser(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (getSendingUserId() == UserHandle.USER_ALL) { |
| mShutdown = true; |
| updateEnabled(); |
| } |
| } |
| }, UserHandle.ALL, new IntentFilter(Intent.ACTION_SHUTDOWN), null, mHandler); |
| |
| mContext.getContentResolver().registerContentObserver( |
| Settings.Secure.getUriFor(Settings.Secure.LOCATION_MODE), |
| true, |
| new ContentObserver(mHandler) { |
| @Override |
| public void onChange(boolean selfChange) { |
| updateEnabled(); |
| } |
| }, UserHandle.USER_ALL); |
| |
| setProperties(PROPERTIES); |
| setEnabled(true); |
| } |
| |
| /** |
| * Implements {@link InjectNtpTimeCallback#injectTime} |
| */ |
| @Override |
| public void injectTime(long time, long timeReference, int uncertainty) { |
| native_inject_time(time, timeReference, uncertainty); |
| } |
| |
| /** |
| * Implements {@link GnssNetworkConnectivityHandler.GnssNetworkListener#onNetworkAvailable()} |
| */ |
| private void onNetworkAvailable() { |
| mNtpTimeHelper.onNetworkAvailable(); |
| if (mDownloadXtraDataPending == STATE_PENDING_NETWORK) { |
| if (mSupportsXtra) { |
| // Download only if supported, (prevents an unnecessary on-boot download) |
| xtraDownloadRequest(); |
| } |
| } |
| } |
| |
| private void handleRequestLocation(boolean independentFromGnss, boolean isUserEmergency) { |
| if (isRequestLocationRateLimited()) { |
| if (DEBUG) { |
| Log.d(TAG, "RequestLocation is denied due to too frequent requests."); |
| } |
| return; |
| } |
| ContentResolver resolver = mContext.getContentResolver(); |
| long durationMillis = Settings.Global.getLong( |
| resolver, |
| Settings.Global.GNSS_HAL_LOCATION_REQUEST_DURATION_MILLIS, |
| LOCATION_UPDATE_DURATION_MILLIS); |
| if (durationMillis == 0) { |
| Log.i(TAG, "GNSS HAL location request is disabled by Settings."); |
| return; |
| } |
| |
| LocationManager locationManager = (LocationManager) mContext.getSystemService( |
| Context.LOCATION_SERVICE); |
| String provider; |
| LocationChangeListener locationListener; |
| |
| if (independentFromGnss) { |
| // For fast GNSS TTFF |
| provider = LocationManager.NETWORK_PROVIDER; |
| locationListener = mNetworkLocationListener; |
| } else { |
| // For Device-Based Hybrid (E911) |
| provider = LocationManager.FUSED_PROVIDER; |
| locationListener = mFusedLocationListener; |
| } |
| |
| Log.i(TAG, |
| String.format( |
| "GNSS HAL Requesting location updates from %s provider for %d millis.", |
| provider, durationMillis)); |
| |
| LocationRequest locationRequest = LocationRequest.createFromDeprecatedProvider(provider, |
| LOCATION_UPDATE_MIN_TIME_INTERVAL_MILLIS, /* minDistance= */ 0, |
| /* singleShot= */ false); |
| |
| // Ignore location settings if in emergency mode. |
| if (isUserEmergency && mNIHandler.getInEmergency()) { |
| locationRequest.setLocationSettingsIgnored(true); |
| } |
| try { |
| locationManager.requestLocationUpdates(locationRequest, |
| locationListener, mHandler.getLooper()); |
| locationListener.mNumLocationUpdateRequest++; |
| mHandler.postDelayed(() -> { |
| if (--locationListener.mNumLocationUpdateRequest == 0) { |
| Log.i(TAG, |
| String.format("Removing location updates from %s provider.", provider)); |
| locationManager.removeUpdates(locationListener); |
| } |
| }, durationMillis); |
| } catch (IllegalArgumentException e) { |
| Log.w(TAG, "Unable to request location.", e); |
| } |
| } |
| |
| private void injectBestLocation(Location location) { |
| int gnssLocationFlags = LOCATION_HAS_LAT_LONG | |
| (location.hasAltitude() ? LOCATION_HAS_ALTITUDE : 0) | |
| (location.hasSpeed() ? LOCATION_HAS_SPEED : 0) | |
| (location.hasBearing() ? LOCATION_HAS_BEARING : 0) | |
| (location.hasAccuracy() ? LOCATION_HAS_HORIZONTAL_ACCURACY : 0) | |
| (location.hasVerticalAccuracy() ? LOCATION_HAS_VERTICAL_ACCURACY : 0) | |
| (location.hasSpeedAccuracy() ? LOCATION_HAS_SPEED_ACCURACY : 0) | |
| (location.hasBearingAccuracy() ? LOCATION_HAS_BEARING_ACCURACY : 0); |
| |
| double latitudeDegrees = location.getLatitude(); |
| double longitudeDegrees = location.getLongitude(); |
| double altitudeMeters = location.getAltitude(); |
| float speedMetersPerSec = location.getSpeed(); |
| float bearingDegrees = location.getBearing(); |
| float horizontalAccuracyMeters = location.getAccuracy(); |
| float verticalAccuracyMeters = location.getVerticalAccuracyMeters(); |
| float speedAccuracyMetersPerSecond = location.getSpeedAccuracyMetersPerSecond(); |
| float bearingAccuracyDegrees = location.getBearingAccuracyDegrees(); |
| long timestamp = location.getTime(); |
| |
| int elapsedRealtimeFlags = ELAPSED_REALTIME_HAS_TIMESTAMP_NS |
| | (location.hasElapsedRealtimeUncertaintyNanos() |
| ? ELAPSED_REALTIME_HAS_TIME_UNCERTAINTY_NS : 0); |
| long elapsedRealtimeNanos = location.getElapsedRealtimeNanos(); |
| long elapsedRealtimeUncertaintyNanos = location.getElapsedRealtimeUncertaintyNanos(); |
| |
| native_inject_best_location( |
| gnssLocationFlags, latitudeDegrees, longitudeDegrees, |
| altitudeMeters, speedMetersPerSec, bearingDegrees, |
| horizontalAccuracyMeters, verticalAccuracyMeters, |
| speedAccuracyMetersPerSecond, bearingAccuracyDegrees, timestamp, |
| elapsedRealtimeFlags, elapsedRealtimeNanos, elapsedRealtimeUncertaintyNanos); |
| } |
| |
| /** Returns true if the location request is too frequent. */ |
| private boolean isRequestLocationRateLimited() { |
| // TODO: implement exponential backoff. |
| return false; |
| } |
| |
| private void handleDownloadXtraData() { |
| if (!mSupportsXtra) { |
| // native code reports xtra not supported, don't try |
| Log.d(TAG, "handleDownloadXtraData() called when Xtra not supported"); |
| return; |
| } |
| if (mDownloadXtraDataPending == STATE_DOWNLOADING) { |
| // already downloading data |
| return; |
| } |
| if (!mNetworkConnectivityHandler.isDataNetworkConnected()) { |
| // try again when network is up |
| mDownloadXtraDataPending = STATE_PENDING_NETWORK; |
| return; |
| } |
| mDownloadXtraDataPending = STATE_DOWNLOADING; |
| |
| // hold wake lock while task runs |
| mDownloadXtraWakeLock.acquire(DOWNLOAD_XTRA_DATA_TIMEOUT_MS); |
| Log.i(TAG, "WakeLock acquired by handleDownloadXtraData()"); |
| AsyncTask.THREAD_POOL_EXECUTOR.execute(() -> { |
| GpsXtraDownloader xtraDownloader = new GpsXtraDownloader( |
| mGnssConfiguration.getProperties()); |
| byte[] data = xtraDownloader.downloadXtraData(); |
| if (data != null) { |
| if (DEBUG) Log.d(TAG, "calling native_inject_xtra_data"); |
| native_inject_xtra_data(data, data.length); |
| mXtraBackOff.reset(); |
| } |
| |
| sendMessage(DOWNLOAD_XTRA_DATA_FINISHED, 0, null); |
| |
| if (data == null) { |
| // try again later |
| // since this is delayed and not urgent we do not hold a wake lock here |
| mHandler.sendEmptyMessageDelayed(DOWNLOAD_XTRA_DATA, |
| mXtraBackOff.nextBackoffMillis()); |
| } |
| |
| // Release wake lock held by task, synchronize on mLock in case multiple |
| // download tasks overrun. |
| synchronized (mLock) { |
| if (mDownloadXtraWakeLock.isHeld()) { |
| // This wakelock may have time-out, if a timeout was specified. |
| // Catch (and ignore) any timeout exceptions. |
| try { |
| mDownloadXtraWakeLock.release(); |
| if (DEBUG) Log.d(TAG, "WakeLock released by handleDownloadXtraData()"); |
| } catch (Exception e) { |
| Log.i(TAG, "Wakelock timeout & release race exception in " |
| + "handleDownloadXtraData()", e); |
| } |
| } else { |
| Log.e(TAG, "WakeLock expired before release in " |
| + "handleDownloadXtraData()"); |
| } |
| } |
| }); |
| } |
| |
| private void handleUpdateLocation(Location location) { |
| if (location.hasAccuracy()) { |
| native_inject_location(location.getLatitude(), location.getLongitude(), |
| location.getAccuracy()); |
| } |
| } |
| |
| private void setSuplHostPort() { |
| mSuplServerHost = mGnssConfiguration.getSuplHost(); |
| mSuplServerPort = mGnssConfiguration.getSuplPort(TCP_MIN_PORT); |
| if (mSuplServerHost != null |
| && mSuplServerPort > TCP_MIN_PORT |
| && mSuplServerPort <= TCP_MAX_PORT) { |
| native_set_agps_server(GnssNetworkConnectivityHandler.AGPS_TYPE_SUPL, |
| mSuplServerHost, mSuplServerPort); |
| } |
| } |
| |
| /** |
| * Checks what SUPL mode to use, according to the AGPS mode as well as the |
| * allowed mode from properties. |
| * |
| * @param agpsEnabled whether AGPS is enabled by settings value |
| * @return SUPL mode (MSA vs MSB vs STANDALONE) |
| */ |
| private int getSuplMode(boolean agpsEnabled) { |
| if (agpsEnabled) { |
| int suplMode = mGnssConfiguration.getSuplMode(0); |
| if (suplMode == 0) { |
| return GPS_POSITION_MODE_STANDALONE; |
| } |
| |
| // MS-Based is the preferred mode for Assisted-GPS position computation, so we favor |
| // such mode when it is available |
| if (hasCapability(GPS_CAPABILITY_MSB) && (suplMode & AGPS_SUPL_MODE_MSB) != 0) { |
| return GPS_POSITION_MODE_MS_BASED; |
| } |
| } |
| return GPS_POSITION_MODE_STANDALONE; |
| } |
| |
| @GuardedBy("mLock") |
| private void handleEnableLocked() { |
| if (DEBUG) Log.d(TAG, "handleEnableLocked"); |
| |
| boolean inited = native_init(); |
| |
| if (inited) { |
| mEnabled = true; |
| mSupportsXtra = native_supports_xtra(); |
| |
| // TODO: remove the following native calls if we can make sure they are redundant. |
| if (mSuplServerHost != null) { |
| native_set_agps_server(GnssNetworkConnectivityHandler.AGPS_TYPE_SUPL, |
| mSuplServerHost, mSuplServerPort); |
| } |
| if (mC2KServerHost != null) { |
| native_set_agps_server(GnssNetworkConnectivityHandler.AGPS_TYPE_C2K, |
| mC2KServerHost, mC2KServerPort); |
| } |
| |
| mGnssMeasurementsProvider.onGpsEnabledChanged(); |
| mGnssNavigationMessageProvider.onGpsEnabledChanged(); |
| mGnssBatchingProvider.enable(); |
| } else { |
| mEnabled = false; |
| Log.w(TAG, "Failed to enable location provider"); |
| } |
| } |
| |
| @GuardedBy("mLock") |
| private void handleDisableLocked() { |
| if (DEBUG) Log.d(TAG, "handleDisableLocked"); |
| |
| mEnabled = false; |
| updateClientUids(new WorkSource()); |
| stopNavigating(); |
| mAlarmManager.cancel(mWakeupIntent); |
| mAlarmManager.cancel(mTimeoutIntent); |
| |
| mGnssBatchingProvider.disable(); |
| // do this before releasing wakelock |
| native_cleanup(); |
| |
| mGnssMeasurementsProvider.onGpsEnabledChanged(); |
| mGnssNavigationMessageProvider.onGpsEnabledChanged(); |
| } |
| |
| private void updateEnabled() { |
| synchronized (mLock) { |
| boolean enabled = |
| ((mProviderRequest != null && mProviderRequest.reportLocation |
| && mProviderRequest.locationSettingsIgnored) || ( |
| mContext.getSystemService(LocationManager.class).isLocationEnabled() |
| && !mDisableGps)) && !mShutdown; |
| if (enabled == mEnabled) { |
| return; |
| } |
| |
| if (enabled) { |
| handleEnableLocked(); |
| } else { |
| handleDisableLocked(); |
| } |
| } |
| } |
| |
| public boolean isEnabled() { |
| synchronized (mLock) { |
| return mEnabled; |
| } |
| } |
| |
| @Override |
| public int getStatus(Bundle extras) { |
| mLocationExtras.setBundle(extras); |
| return mStatus; |
| } |
| |
| private void updateStatus(int status) { |
| if (status != mStatus) { |
| mStatus = status; |
| mStatusUpdateTime = SystemClock.elapsedRealtime(); |
| } |
| } |
| |
| @Override |
| public long getStatusUpdateTime() { |
| return mStatusUpdateTime; |
| } |
| |
| @Override |
| public void setRequest(ProviderRequest request, WorkSource source) { |
| sendMessage(SET_REQUEST, 0, new GpsRequest(request, source)); |
| } |
| |
| private void handleSetRequest(ProviderRequest request, WorkSource source) { |
| mProviderRequest = request; |
| mWorkSource = source; |
| updateEnabled(); |
| updateRequirements(); |
| } |
| |
| // Called when the requirements for GPS may have changed |
| private void updateRequirements() { |
| if (mProviderRequest == null || mWorkSource == null) { |
| return; |
| } |
| |
| if (DEBUG) Log.d(TAG, "setRequest " + mProviderRequest); |
| if (mProviderRequest.reportLocation && isEnabled()) { |
| // update client uids |
| updateClientUids(mWorkSource); |
| |
| mFixInterval = (int) mProviderRequest.interval; |
| mLowPowerMode = mProviderRequest.lowPowerMode; |
| // check for overflow |
| if (mFixInterval != mProviderRequest.interval) { |
| Log.w(TAG, "interval overflow: " + mProviderRequest.interval); |
| mFixInterval = Integer.MAX_VALUE; |
| } |
| |
| // apply request to GPS engine |
| if (mStarted && hasCapability(GPS_CAPABILITY_SCHEDULING)) { |
| // change period and/or lowPowerMode |
| if (!setPositionMode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC, |
| mFixInterval, 0, 0, mLowPowerMode)) { |
| Log.e(TAG, "set_position_mode failed in updateRequirements"); |
| } |
| } else if (!mStarted) { |
| // start GPS |
| startNavigating(); |
| } else { |
| // GNSS Engine is already ON, but no GPS_CAPABILITY_SCHEDULING |
| mAlarmManager.cancel(mTimeoutIntent); |
| if (mFixInterval >= NO_FIX_TIMEOUT) { |
| // set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT |
| // and our fix interval is not short |
| mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, |
| SystemClock.elapsedRealtime() + NO_FIX_TIMEOUT, mTimeoutIntent); |
| } |
| } |
| } else { |
| updateClientUids(new WorkSource()); |
| |
| stopNavigating(); |
| mAlarmManager.cancel(mWakeupIntent); |
| mAlarmManager.cancel(mTimeoutIntent); |
| } |
| } |
| |
| private boolean setPositionMode(int mode, int recurrence, int minInterval, |
| int preferredAccuracy, int preferredTime, boolean lowPowerMode) { |
| GnssPositionMode positionMode = new GnssPositionMode(mode, recurrence, minInterval, |
| preferredAccuracy, preferredTime, lowPowerMode); |
| if (mLastPositionMode != null && mLastPositionMode.equals(positionMode)) { |
| return true; |
| } |
| |
| boolean result = native_set_position_mode(mode, recurrence, minInterval, |
| preferredAccuracy, preferredTime, lowPowerMode); |
| if (result) { |
| mLastPositionMode = positionMode; |
| } else { |
| mLastPositionMode = null; |
| } |
| return result; |
| } |
| |
| private void updateClientUids(WorkSource source) { |
| if (source.equals(mClientSource)) { |
| return; |
| } |
| |
| // (1) Inform BatteryStats that the list of IDs we're tracking changed. |
| try { |
| mBatteryStats.noteGpsChanged(mClientSource, source); |
| } catch (RemoteException e) { |
| Log.w(TAG, "RemoteException", e); |
| } |
| |
| // (2) Inform AppOps service about the list of changes to UIDs. |
| |
| List<WorkChain>[] diffs = WorkSource.diffChains(mClientSource, source); |
| if (diffs != null) { |
| List<WorkChain> newChains = diffs[0]; |
| List<WorkChain> goneChains = diffs[1]; |
| |
| if (newChains != null) { |
| for (WorkChain newChain : newChains) { |
| mAppOps.startOpNoThrow(AppOpsManager.OP_GPS, newChain.getAttributionUid(), |
| newChain.getAttributionTag()); |
| } |
| } |
| |
| if (goneChains != null) { |
| for (WorkChain goneChain : goneChains) { |
| mAppOps.finishOp(AppOpsManager.OP_GPS, goneChain.getAttributionUid(), |
| goneChain.getAttributionTag()); |
| } |
| } |
| |
| mClientSource.transferWorkChains(source); |
| } |
| |
| // Update the flat UIDs and names list and inform app-ops of all changes. |
| WorkSource[] changes = mClientSource.setReturningDiffs(source); |
| if (changes != null) { |
| WorkSource newWork = changes[0]; |
| WorkSource goneWork = changes[1]; |
| |
| // Update sources that were not previously tracked. |
| if (newWork != null) { |
| for (int i = 0; i < newWork.size(); i++) { |
| mAppOps.startOpNoThrow(AppOpsManager.OP_GPS, |
| newWork.get(i), newWork.getName(i)); |
| } |
| } |
| |
| // Update sources that are no longer tracked. |
| if (goneWork != null) { |
| for (int i = 0; i < goneWork.size(); i++) { |
| mAppOps.finishOp(AppOpsManager.OP_GPS, goneWork.get(i), goneWork.getName(i)); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void sendExtraCommand(String command, Bundle extras) { |
| |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| if ("delete_aiding_data".equals(command)) { |
| deleteAidingData(extras); |
| } else if ("force_time_injection".equals(command)) { |
| requestUtcTime(); |
| } else if ("force_xtra_injection".equals(command)) { |
| if (mSupportsXtra) { |
| xtraDownloadRequest(); |
| } |
| } else { |
| Log.w(TAG, "sendExtraCommand: unknown command " + command); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| |
| private void deleteAidingData(Bundle extras) { |
| int flags; |
| |
| if (extras == null) { |
| flags = GPS_DELETE_ALL; |
| } else { |
| flags = 0; |
| if (extras.getBoolean("ephemeris")) flags |= GPS_DELETE_EPHEMERIS; |
| if (extras.getBoolean("almanac")) flags |= GPS_DELETE_ALMANAC; |
| if (extras.getBoolean("position")) flags |= GPS_DELETE_POSITION; |
| if (extras.getBoolean("time")) flags |= GPS_DELETE_TIME; |
| if (extras.getBoolean("iono")) flags |= GPS_DELETE_IONO; |
| if (extras.getBoolean("utc")) flags |= GPS_DELETE_UTC; |
| if (extras.getBoolean("health")) flags |= GPS_DELETE_HEALTH; |
| if (extras.getBoolean("svdir")) flags |= GPS_DELETE_SVDIR; |
| if (extras.getBoolean("svsteer")) flags |= GPS_DELETE_SVSTEER; |
| if (extras.getBoolean("sadata")) flags |= GPS_DELETE_SADATA; |
| if (extras.getBoolean("rti")) flags |= GPS_DELETE_RTI; |
| if (extras.getBoolean("celldb-info")) flags |= GPS_DELETE_CELLDB_INFO; |
| if (extras.getBoolean("all")) flags |= GPS_DELETE_ALL; |
| } |
| |
| if (flags != 0) { |
| native_delete_aiding_data(flags); |
| } |
| } |
| |
| private void startNavigating() { |
| if (!mStarted) { |
| if (DEBUG) Log.d(TAG, "startNavigating"); |
| mTimeToFirstFix = 0; |
| mLastFixTime = 0; |
| mStarted = true; |
| mPositionMode = GPS_POSITION_MODE_STANDALONE; |
| // Notify about suppressed output, if speed limit was previously exceeded. |
| // Elsewhere, we check again with every speed output reported. |
| if (mItarSpeedLimitExceeded) { |
| Log.i(TAG, "startNavigating with ITAR limit in place. Output limited " + |
| "until slow enough speed reported."); |
| } |
| |
| boolean agpsEnabled = |
| (Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.ASSISTED_GPS_ENABLED, 1) != 0); |
| mPositionMode = getSuplMode(agpsEnabled); |
| |
| if (DEBUG) { |
| String mode; |
| |
| switch (mPositionMode) { |
| case GPS_POSITION_MODE_STANDALONE: |
| mode = "standalone"; |
| break; |
| case GPS_POSITION_MODE_MS_ASSISTED: |
| mode = "MS_ASSISTED"; |
| break; |
| case GPS_POSITION_MODE_MS_BASED: |
| mode = "MS_BASED"; |
| break; |
| default: |
| mode = "unknown"; |
| break; |
| } |
| Log.d(TAG, "setting position_mode to " + mode); |
| } |
| |
| int interval = (hasCapability(GPS_CAPABILITY_SCHEDULING) ? mFixInterval : 1000); |
| mLowPowerMode = mProviderRequest.lowPowerMode; |
| if (!setPositionMode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC, |
| interval, 0, 0, mLowPowerMode)) { |
| mStarted = false; |
| Log.e(TAG, "set_position_mode failed in startNavigating()"); |
| return; |
| } |
| if (!native_start()) { |
| mStarted = false; |
| Log.e(TAG, "native_start failed in startNavigating()"); |
| return; |
| } |
| |
| // reset SV count to zero |
| updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE); |
| mLocationExtras.reset(); |
| mFixRequestTime = SystemClock.elapsedRealtime(); |
| if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) { |
| // set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT |
| // and our fix interval is not short |
| if (mFixInterval >= NO_FIX_TIMEOUT) { |
| mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, |
| SystemClock.elapsedRealtime() + NO_FIX_TIMEOUT, mTimeoutIntent); |
| } |
| } |
| } |
| } |
| |
| private void stopNavigating() { |
| if (DEBUG) Log.d(TAG, "stopNavigating"); |
| if (mStarted) { |
| mStarted = false; |
| native_stop(); |
| mLastFixTime = 0; |
| // native_stop() may reset the position mode in hardware. |
| mLastPositionMode = null; |
| |
| // reset SV count to zero |
| updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE); |
| mLocationExtras.reset(); |
| } |
| } |
| |
| private void hibernate() { |
| // stop GPS until our next fix interval arrives |
| stopNavigating(); |
| mAlarmManager.cancel(mTimeoutIntent); |
| mAlarmManager.cancel(mWakeupIntent); |
| long now = SystemClock.elapsedRealtime(); |
| mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, now + mFixInterval, mWakeupIntent); |
| } |
| |
| public int getGnssCapabilities() { |
| return mEngineCapabilities; |
| } |
| |
| private boolean hasCapability(int capability) { |
| return ((mEngineCapabilities & capability) != 0); |
| } |
| |
| @NativeEntryPoint |
| private void reportLocation(boolean hasLatLong, Location location) { |
| sendMessage(REPORT_LOCATION, hasLatLong ? 1 : 0, location); |
| } |
| |
| private void handleReportLocation(boolean hasLatLong, Location location) { |
| if (location.hasSpeed()) { |
| mItarSpeedLimitExceeded = location.getSpeed() > ITAR_SPEED_LIMIT_METERS_PER_SECOND; |
| } |
| |
| if (mItarSpeedLimitExceeded) { |
| Log.i(TAG, "Hal reported a speed in excess of ITAR limit." + |
| " GPS/GNSS Navigation output blocked."); |
| if (mStarted) { |
| mGnssMetrics.logReceivedLocationStatus(false); |
| } |
| return; // No output of location allowed |
| } |
| |
| if (VERBOSE) Log.v(TAG, "reportLocation " + location.toString()); |
| |
| location.setExtras(mLocationExtras.getBundle()); |
| |
| reportLocation(location); |
| |
| if (mStarted) { |
| mGnssMetrics.logReceivedLocationStatus(hasLatLong); |
| if (hasLatLong) { |
| if (location.hasAccuracy()) { |
| mGnssMetrics.logPositionAccuracyMeters(location.getAccuracy()); |
| } |
| if (mTimeToFirstFix > 0) { |
| int timeBetweenFixes = (int) (SystemClock.elapsedRealtime() - mLastFixTime); |
| mGnssMetrics.logMissedReports(mFixInterval, timeBetweenFixes); |
| } |
| } |
| } |
| |
| mLastFixTime = SystemClock.elapsedRealtime(); |
| // report time to first fix |
| if (mTimeToFirstFix == 0 && hasLatLong) { |
| mTimeToFirstFix = (int) (mLastFixTime - mFixRequestTime); |
| if (DEBUG) Log.d(TAG, "TTFF: " + mTimeToFirstFix); |
| if (mStarted) { |
| mGnssMetrics.logTimeToFirstFixMilliSecs(mTimeToFirstFix); |
| } |
| |
| // notify status listeners |
| mGnssStatusListenerHelper.onFirstFix(mTimeToFirstFix); |
| } |
| |
| if (mStarted && mStatus != LocationProvider.AVAILABLE) { |
| // For devices that use framework scheduling, a timer may be set to ensure we don't |
| // spend too much power searching for a location, when the requested update rate is |
| // slow. |
| // As we just recievied a location, we'll cancel that timer. |
| if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mFixInterval < NO_FIX_TIMEOUT) { |
| mAlarmManager.cancel(mTimeoutIntent); |
| } |
| |
| updateStatus(LocationProvider.AVAILABLE); |
| } |
| |
| if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mStarted && |
| mFixInterval > GPS_POLLING_THRESHOLD_INTERVAL) { |
| if (DEBUG) Log.d(TAG, "got fix, hibernating"); |
| hibernate(); |
| } |
| } |
| |
| @NativeEntryPoint |
| private void reportStatus(int status) { |
| if (DEBUG) Log.v(TAG, "reportStatus status: " + status); |
| |
| boolean wasNavigating = mNavigating; |
| switch (status) { |
| case GPS_STATUS_SESSION_BEGIN: |
| mNavigating = true; |
| break; |
| case GPS_STATUS_SESSION_END: |
| mNavigating = false; |
| break; |
| case GPS_STATUS_ENGINE_ON: |
| break; |
| case GPS_STATUS_ENGINE_OFF: |
| mNavigating = false; |
| break; |
| } |
| |
| if (wasNavigating != mNavigating) { |
| mGnssStatusListenerHelper.onStatusChanged(mNavigating); |
| } |
| } |
| |
| // Helper class to carry data to handler for reportSvStatus |
| private static class SvStatusInfo { |
| private int mSvCount; |
| private int[] mSvidWithFlags; |
| private float[] mCn0s; |
| private float[] mSvElevations; |
| private float[] mSvAzimuths; |
| private float[] mSvCarrierFreqs; |
| } |
| |
| @NativeEntryPoint |
| private void reportSvStatus(int svCount, int[] svidWithFlags, float[] cn0s, |
| float[] svElevations, float[] svAzimuths, float[] svCarrierFreqs) { |
| SvStatusInfo svStatusInfo = new SvStatusInfo(); |
| svStatusInfo.mSvCount = svCount; |
| svStatusInfo.mSvidWithFlags = svidWithFlags; |
| svStatusInfo.mCn0s = cn0s; |
| svStatusInfo.mSvElevations = svElevations; |
| svStatusInfo.mSvAzimuths = svAzimuths; |
| svStatusInfo.mSvCarrierFreqs = svCarrierFreqs; |
| |
| sendMessage(REPORT_SV_STATUS, 0, svStatusInfo); |
| } |
| |
| private void handleReportSvStatus(SvStatusInfo info) { |
| mGnssStatusListenerHelper.onSvStatusChanged( |
| info.mSvCount, |
| info.mSvidWithFlags, |
| info.mCn0s, |
| info.mSvElevations, |
| info.mSvAzimuths, |
| info.mSvCarrierFreqs); |
| |
| // Log CN0 as part of GNSS metrics |
| mGnssMetrics.logCn0(info.mCn0s, info.mSvCount); |
| |
| if (VERBOSE) { |
| Log.v(TAG, "SV count: " + info.mSvCount); |
| } |
| // Calculate number of satellites used in fix. |
| int usedInFixCount = 0; |
| int maxCn0 = 0; |
| int meanCn0 = 0; |
| for (int i = 0; i < info.mSvCount; i++) { |
| if ((info.mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_USED_IN_FIX) != 0) { |
| ++usedInFixCount; |
| if (info.mCn0s[i] > maxCn0) { |
| maxCn0 = (int) info.mCn0s[i]; |
| } |
| meanCn0 += info.mCn0s[i]; |
| } |
| if (VERBOSE) { |
| Log.v(TAG, "svid: " + (info.mSvidWithFlags[i] >> GnssStatus.SVID_SHIFT_WIDTH) + |
| " cn0: " + info.mCn0s[i] + |
| " elev: " + info.mSvElevations[i] + |
| " azimuth: " + info.mSvAzimuths[i] + |
| " carrier frequency: " + info.mSvCarrierFreqs[i] + |
| ((info.mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_HAS_EPHEMERIS_DATA) == 0 |
| ? " " : " E") + |
| ((info.mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_HAS_ALMANAC_DATA) == 0 |
| ? " " : " A") + |
| ((info.mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_USED_IN_FIX) == 0 |
| ? "" : "U") + |
| ((info.mSvidWithFlags[i] & |
| GnssStatus.GNSS_SV_FLAGS_HAS_CARRIER_FREQUENCY) == 0 |
| ? "" : "F")); |
| } |
| } |
| if (usedInFixCount > 0) { |
| meanCn0 /= usedInFixCount; |
| } |
| // return number of sats used in fix instead of total reported |
| mLocationExtras.set(usedInFixCount, meanCn0, maxCn0); |
| |
| if (mNavigating && mStatus == LocationProvider.AVAILABLE && mLastFixTime > 0 && |
| SystemClock.elapsedRealtime() - mLastFixTime > RECENT_FIX_TIMEOUT) { |
| updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE); |
| } |
| } |
| |
| @NativeEntryPoint |
| private void reportAGpsStatus(int agpsType, int agpsStatus, byte[] suplIpAddr) { |
| mNetworkConnectivityHandler.onReportAGpsStatus(agpsType, agpsStatus, suplIpAddr); |
| } |
| |
| @NativeEntryPoint |
| private void reportNmea(long timestamp) { |
| if (!mItarSpeedLimitExceeded) { |
| int length = native_read_nmea(mNmeaBuffer, mNmeaBuffer.length); |
| String nmea = new String(mNmeaBuffer, 0 /* offset */, length); |
| mGnssStatusListenerHelper.onNmeaReceived(timestamp, nmea); |
| } |
| } |
| |
| @NativeEntryPoint |
| private void reportMeasurementData(GnssMeasurementsEvent event) { |
| if (!mItarSpeedLimitExceeded) { |
| // send to handler to allow native to return quickly |
| mHandler.post(() -> mGnssMeasurementsProvider.onMeasurementsAvailable(event)); |
| } |
| } |
| |
| @NativeEntryPoint |
| private void reportNavigationMessage(GnssNavigationMessage event) { |
| if (!mItarSpeedLimitExceeded) { |
| // send to handler to allow native to return quickly |
| mHandler.post(() -> mGnssNavigationMessageProvider.onNavigationMessageAvailable(event)); |
| } |
| } |
| |
| @NativeEntryPoint |
| private void setEngineCapabilities(final int capabilities, boolean hasSubHalCapabilityFlags) { |
| // send to handler thread for fast native return, and in-order handling |
| mHandler.post(() -> { |
| mEngineCapabilities = capabilities; |
| |
| if (hasCapability(GPS_CAPABILITY_ON_DEMAND_TIME)) { |
| mNtpTimeHelper.enablePeriodicTimeInjection(); |
| requestUtcTime(); |
| } |
| |
| mGnssMeasurementsProvider.onCapabilitiesUpdated(capabilities, hasSubHalCapabilityFlags); |
| mGnssNavigationMessageProvider.onCapabilitiesUpdated(capabilities, |
| hasSubHalCapabilityFlags); |
| restartRequests(); |
| }); |
| } |
| |
| @NativeEntryPoint |
| private void setMeasurementCorrectionsCapabilities(final int capabilities) { |
| mHandler.post(() -> mGnssMeasurementCorrectionsProvider.onCapabilitiesUpdated( |
| capabilities)); |
| } |
| |
| private void restartRequests() { |
| Log.i(TAG, "restartRequests"); |
| |
| restartLocationRequest(); |
| mGnssMeasurementsProvider.resumeIfStarted(); |
| mGnssNavigationMessageProvider.resumeIfStarted(); |
| mGnssBatchingProvider.resumeIfStarted(); |
| mGnssGeofenceProvider.resumeIfStarted(); |
| } |
| |
| private void restartLocationRequest() { |
| if (DEBUG) Log.d(TAG, "restartLocationRequest"); |
| mStarted = false; |
| updateRequirements(); |
| } |
| |
| @NativeEntryPoint |
| private void setGnssYearOfHardware(final int yearOfHardware) { |
| // mHardwareYear is simply set here, to be read elsewhere, and is volatile for safe sync |
| if (DEBUG) Log.d(TAG, "setGnssYearOfHardware called with " + yearOfHardware); |
| mHardwareYear = yearOfHardware; |
| } |
| |
| @NativeEntryPoint |
| private void setGnssHardwareModelName(final String modelName) { |
| // mHardwareModelName is simply set here, to be read elsewhere, and volatile for safe sync |
| if (DEBUG) Log.d(TAG, "setGnssModelName called with " + modelName); |
| mHardwareModelName = modelName; |
| } |
| |
| @NativeEntryPoint |
| private void reportGnssServiceDied() { |
| if (DEBUG) Log.d(TAG, "reportGnssServiceDied"); |
| mHandler.post(() -> { |
| class_init_native(); |
| native_init_once(); |
| if (isEnabled()) { |
| synchronized (mLock) { |
| mEnabled = false; |
| } |
| updateEnabled(); |
| |
| // resend configuration into the restarted HAL service. |
| reloadGpsProperties(); |
| } |
| }); |
| } |
| |
| public interface GnssSystemInfoProvider { |
| /** |
| * Returns the year of underlying GPS hardware. |
| */ |
| int getGnssYearOfHardware(); |
| |
| /** |
| * Returns the model name of underlying GPS hardware. |
| */ |
| String getGnssHardwareModelName(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public GnssSystemInfoProvider getGnssSystemInfoProvider() { |
| return new GnssSystemInfoProvider() { |
| @Override |
| public int getGnssYearOfHardware() { |
| return mHardwareYear; |
| } |
| |
| @Override |
| public String getGnssHardwareModelName() { |
| return mHardwareModelName; |
| } |
| }; |
| } |
| |
| /** |
| * @hide |
| */ |
| public GnssBatchingProvider getGnssBatchingProvider() { |
| return mGnssBatchingProvider; |
| } |
| |
| public interface GnssMetricsProvider { |
| /** |
| * Returns GNSS metrics as proto string |
| */ |
| String getGnssMetricsAsProtoString(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public GnssMetricsProvider getGnssMetricsProvider() { |
| return () -> mGnssMetrics.dumpGnssMetricsAsProtoString(); |
| } |
| |
| @NativeEntryPoint |
| private void reportLocationBatch(Location[] locationArray) { |
| List<Location> locations = new ArrayList<>(Arrays.asList(locationArray)); |
| if (DEBUG) { |
| Log.d(TAG, "Location batch of size " + locationArray.length + " reported"); |
| } |
| reportLocation(locations); |
| } |
| |
| @NativeEntryPoint |
| private void xtraDownloadRequest() { |
| if (DEBUG) Log.d(TAG, "xtraDownloadRequest"); |
| sendMessage(DOWNLOAD_XTRA_DATA, 0, null); |
| } |
| |
| /** |
| * Converts the GPS HAL status to the internal Geofence Hardware status. |
| */ |
| private static int getGeofenceStatus(int status) { |
| switch (status) { |
| case GPS_GEOFENCE_OPERATION_SUCCESS: |
| return GeofenceHardware.GEOFENCE_SUCCESS; |
| case GPS_GEOFENCE_ERROR_GENERIC: |
| return GeofenceHardware.GEOFENCE_FAILURE; |
| case GPS_GEOFENCE_ERROR_ID_EXISTS: |
| return GeofenceHardware.GEOFENCE_ERROR_ID_EXISTS; |
| case GPS_GEOFENCE_ERROR_INVALID_TRANSITION: |
| return GeofenceHardware.GEOFENCE_ERROR_INVALID_TRANSITION; |
| case GPS_GEOFENCE_ERROR_TOO_MANY_GEOFENCES: |
| return GeofenceHardware.GEOFENCE_ERROR_TOO_MANY_GEOFENCES; |
| case GPS_GEOFENCE_ERROR_ID_UNKNOWN: |
| return GeofenceHardware.GEOFENCE_ERROR_ID_UNKNOWN; |
| default: |
| return -1; |
| } |
| } |
| |
| @NativeEntryPoint |
| private void reportGeofenceTransition(int geofenceId, Location location, int transition, |
| long transitionTimestamp) { |
| mHandler.post(() -> { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| |
| mGeofenceHardwareImpl.reportGeofenceTransition( |
| geofenceId, |
| location, |
| transition, |
| transitionTimestamp, |
| GeofenceHardware.MONITORING_TYPE_GPS_HARDWARE, |
| FusedBatchOptions.SourceTechnologies.GNSS); |
| }); |
| } |
| |
| @NativeEntryPoint |
| private void reportGeofenceStatus(int status, Location location) { |
| mHandler.post(() -> { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| int monitorStatus = GeofenceHardware.MONITOR_CURRENTLY_UNAVAILABLE; |
| if (status == GPS_GEOFENCE_AVAILABLE) { |
| monitorStatus = GeofenceHardware.MONITOR_CURRENTLY_AVAILABLE; |
| } |
| mGeofenceHardwareImpl.reportGeofenceMonitorStatus( |
| GeofenceHardware.MONITORING_TYPE_GPS_HARDWARE, |
| monitorStatus, |
| location, |
| FusedBatchOptions.SourceTechnologies.GNSS); |
| }); |
| } |
| |
| @NativeEntryPoint |
| private void reportGeofenceAddStatus(int geofenceId, int status) { |
| mHandler.post(() -> { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| mGeofenceHardwareImpl.reportGeofenceAddStatus(geofenceId, getGeofenceStatus(status)); |
| }); |
| } |
| |
| @NativeEntryPoint |
| private void reportGeofenceRemoveStatus(int geofenceId, int status) { |
| mHandler.post(() -> { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| mGeofenceHardwareImpl.reportGeofenceRemoveStatus(geofenceId, getGeofenceStatus(status)); |
| }); |
| } |
| |
| @NativeEntryPoint |
| private void reportGeofencePauseStatus(int geofenceId, int status) { |
| mHandler.post(() -> { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| mGeofenceHardwareImpl.reportGeofencePauseStatus(geofenceId, getGeofenceStatus(status)); |
| }); |
| } |
| |
| @NativeEntryPoint |
| private void reportGeofenceResumeStatus(int geofenceId, int status) { |
| mHandler.post(() -> { |
| if (mGeofenceHardwareImpl == null) { |
| mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext); |
| } |
| mGeofenceHardwareImpl.reportGeofenceResumeStatus(geofenceId, getGeofenceStatus(status)); |
| }); |
| } |
| |
| //============================================================= |
| // NI Client support |
| //============================================================= |
| private final INetInitiatedListener mNetInitiatedListener = new INetInitiatedListener.Stub() { |
| // Sends a response for an NI request to HAL. |
| @Override |
| public boolean sendNiResponse(int notificationId, int userResponse) { |
| // TODO Add Permission check |
| |
| if (DEBUG) { |
| Log.d(TAG, "sendNiResponse, notifId: " + notificationId + |
| ", response: " + userResponse); |
| } |
| native_send_ni_response(notificationId, userResponse); |
| |
| StatsLog.write(StatsLog.GNSS_NI_EVENT_REPORTED, |
| StatsLog.GNSS_NI_EVENT_REPORTED__EVENT_TYPE__NI_RESPONSE, |
| notificationId, |
| /* niType= */ 0, |
| /* needNotify= */ false, |
| /* needVerify= */ false, |
| /* privacyOverride= */ false, |
| /* timeout= */ 0, |
| /* defaultResponse= */ 0, |
| /* requestorId= */ null, |
| /* text= */ null, |
| /* requestorIdEncoding= */ 0, |
| /* textEncoding= */ 0, |
| mSuplEsEnabled, |
| isEnabled(), |
| userResponse); |
| |
| return true; |
| } |
| }; |
| |
| public INetInitiatedListener getNetInitiatedListener() { |
| return mNetInitiatedListener; |
| } |
| |
| /** Reports a NI notification. */ |
| @NativeEntryPoint |
| public void reportNiNotification( |
| int notificationId, |
| int niType, |
| int notifyFlags, |
| int timeout, |
| int defaultResponse, |
| String requestorId, |
| String text, |
| int requestorIdEncoding, |
| int textEncoding |
| ) { |
| Log.i(TAG, "reportNiNotification: entered"); |
| Log.i(TAG, "notificationId: " + notificationId + |
| ", niType: " + niType + |
| ", notifyFlags: " + notifyFlags + |
| ", timeout: " + timeout + |
| ", defaultResponse: " + defaultResponse); |
| |
| Log.i(TAG, "requestorId: " + requestorId + |
| ", text: " + text + |
| ", requestorIdEncoding: " + requestorIdEncoding + |
| ", textEncoding: " + textEncoding); |
| |
| GpsNiNotification notification = new GpsNiNotification(); |
| |
| notification.notificationId = notificationId; |
| notification.niType = niType; |
| notification.needNotify = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_NEED_NOTIFY) != 0; |
| notification.needVerify = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_NEED_VERIFY) != 0; |
| notification.privacyOverride = |
| (notifyFlags & GpsNetInitiatedHandler.GPS_NI_PRIVACY_OVERRIDE) != 0; |
| notification.timeout = timeout; |
| notification.defaultResponse = defaultResponse; |
| notification.requestorId = requestorId; |
| notification.text = text; |
| notification.requestorIdEncoding = requestorIdEncoding; |
| notification.textEncoding = textEncoding; |
| |
| mNIHandler.handleNiNotification(notification); |
| StatsLog.write(StatsLog.GNSS_NI_EVENT_REPORTED, |
| StatsLog.GNSS_NI_EVENT_REPORTED__EVENT_TYPE__NI_REQUEST, |
| notification.notificationId, |
| notification.niType, |
| notification.needNotify, |
| notification.needVerify, |
| notification.privacyOverride, |
| notification.timeout, |
| notification.defaultResponse, |
| notification.requestorId, |
| notification.text, |
| notification.requestorIdEncoding, |
| notification.textEncoding, |
| mSuplEsEnabled, |
| isEnabled(), |
| /* userResponse= */ 0); |
| } |
| |
| /** |
| * We should be careful about receiving null string from the TelephonyManager, |
| * because sending null String to JNI function would cause a crash. |
| */ |
| @NativeEntryPoint |
| private void requestSetID(int flags) { |
| TelephonyManager phone = (TelephonyManager) |
| mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| int type = AGPS_SETID_TYPE_NONE; |
| String data = ""; |
| |
| if ((flags & AGPS_RIL_REQUEST_SETID_IMSI) == AGPS_RIL_REQUEST_SETID_IMSI) { |
| String data_temp = phone.getSubscriberId(); |
| if (data_temp == null) { |
| // This means the framework does not have the SIM card ready. |
| } else { |
| // This means the framework has the SIM card. |
| data = data_temp; |
| type = AGPS_SETID_TYPE_IMSI; |
| } |
| } else if ((flags & AGPS_RIL_REQUEST_SETID_MSISDN) == AGPS_RIL_REQUEST_SETID_MSISDN) { |
| String data_temp = phone.getLine1Number(); |
| if (data_temp == null) { |
| // This means the framework does not have the SIM card ready. |
| } else { |
| // This means the framework has the SIM card. |
| data = data_temp; |
| type = AGPS_SETID_TYPE_MSISDN; |
| } |
| } |
| native_agps_set_id(type, data); |
| } |
| |
| @NativeEntryPoint |
| private void requestLocation(boolean independentFromGnss, boolean isUserEmergency) { |
| if (DEBUG) { |
| Log.d(TAG, "requestLocation. independentFromGnss: " + independentFromGnss |
| + ", isUserEmergency: " |
| + isUserEmergency); |
| } |
| sendMessage(REQUEST_LOCATION, independentFromGnss ? 1 : 0, isUserEmergency); |
| } |
| |
| @NativeEntryPoint |
| private void requestUtcTime() { |
| if (DEBUG) Log.d(TAG, "utcTimeRequest"); |
| sendMessage(INJECT_NTP_TIME, 0, null); |
| } |
| |
| @NativeEntryPoint |
| private void requestRefLocation() { |
| TelephonyManager phone = (TelephonyManager) |
| mContext.getSystemService(Context.TELEPHONY_SERVICE); |
| final int phoneType = phone.getPhoneType(); |
| if (phoneType == TelephonyManager.PHONE_TYPE_GSM) { |
| GsmCellLocation gsm_cell = (GsmCellLocation) phone.getCellLocation(); |
| if ((gsm_cell != null) && (phone.getNetworkOperator() != null) |
| && (phone.getNetworkOperator().length() > 3)) { |
| int type; |
| int mcc = Integer.parseInt(phone.getNetworkOperator().substring(0, 3)); |
| int mnc = Integer.parseInt(phone.getNetworkOperator().substring(3)); |
| int networkType = phone.getNetworkType(); |
| if (networkType == TelephonyManager.NETWORK_TYPE_UMTS |
| || networkType == TelephonyManager.NETWORK_TYPE_HSDPA |
| || networkType == TelephonyManager.NETWORK_TYPE_HSUPA |
| || networkType == TelephonyManager.NETWORK_TYPE_HSPA |
| || networkType == TelephonyManager.NETWORK_TYPE_HSPAP) { |
| type = AGPS_REF_LOCATION_TYPE_UMTS_CELLID; |
| } else { |
| type = AGPS_REF_LOCATION_TYPE_GSM_CELLID; |
| } |
| native_agps_set_ref_location_cellid(type, mcc, mnc, |
| gsm_cell.getLac(), gsm_cell.getCid()); |
| } else { |
| Log.e(TAG, "Error getting cell location info."); |
| } |
| } else if (phoneType == TelephonyManager.PHONE_TYPE_CDMA) { |
| Log.e(TAG, "CDMA not supported."); |
| } |
| } |
| |
| // Implements method nfwNotifyCb() in IGnssVisibilityControlCallback.hal. |
| @NativeEntryPoint |
| private void reportNfwNotification(String proxyAppPackageName, byte protocolStack, |
| String otherProtocolStackName, byte requestor, String requestorId, byte responseType, |
| boolean inEmergencyMode, boolean isCachedLocation) { |
| if (mGnssVisibilityControl == null) { |
| Log.e(TAG, "reportNfwNotification: mGnssVisibilityControl is not initialized."); |
| return; |
| } |
| |
| mGnssVisibilityControl.reportNfwNotification(proxyAppPackageName, protocolStack, |
| otherProtocolStackName, requestor, requestorId, responseType, inEmergencyMode, |
| isCachedLocation); |
| } |
| |
| // Implements method isInEmergencySession() in IGnssVisibilityControlCallback.hal. |
| @NativeEntryPoint |
| boolean isInEmergencySession() { |
| return mNIHandler.getInEmergency(); |
| } |
| |
| private void sendMessage(int message, int arg, Object obj) { |
| // hold a wake lock until this message is delivered |
| // note that this assumes the message will not be removed from the queue before |
| // it is handled (otherwise the wake lock would be leaked). |
| mWakeLock.acquire(); |
| if (DEBUG) { |
| Log.d(TAG, "WakeLock acquired by sendMessage(" + messageIdAsString(message) + ", " + arg |
| + ", " + obj + ")"); |
| } |
| mHandler.obtainMessage(message, arg, 1, obj).sendToTarget(); |
| } |
| |
| private final class ProviderHandler extends Handler { |
| public ProviderHandler(Looper looper) { |
| super(looper, null, true /*async*/); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| int message = msg.what; |
| switch (message) { |
| case SET_REQUEST: |
| GpsRequest gpsRequest = (GpsRequest) msg.obj; |
| handleSetRequest(gpsRequest.request, gpsRequest.source); |
| break; |
| case INJECT_NTP_TIME: |
| mNtpTimeHelper.retrieveAndInjectNtpTime(); |
| break; |
| case REQUEST_LOCATION: |
| handleRequestLocation(msg.arg1 == 1, (boolean) msg.obj); |
| break; |
| case DOWNLOAD_XTRA_DATA: |
| handleDownloadXtraData(); |
| break; |
| case DOWNLOAD_XTRA_DATA_FINISHED: |
| mDownloadXtraDataPending = STATE_IDLE; |
| break; |
| case UPDATE_LOCATION: |
| handleUpdateLocation((Location) msg.obj); |
| break; |
| case SUBSCRIPTION_OR_CARRIER_CONFIG_CHANGED: |
| subscriptionOrCarrierConfigChanged(mContext); |
| break; |
| case INITIALIZE_HANDLER: |
| handleInitialize(); |
| break; |
| case REPORT_LOCATION: |
| handleReportLocation(msg.arg1 == 1, (Location) msg.obj); |
| break; |
| case REPORT_SV_STATUS: |
| handleReportSvStatus((SvStatusInfo) msg.obj); |
| break; |
| } |
| if (msg.arg2 == 1) { |
| // wakelock was taken for this message, release it |
| mWakeLock.release(); |
| if (DEBUG) { |
| Log.d(TAG, "WakeLock released by handleMessage(" + messageIdAsString(message) |
| + ", " + msg.arg1 + ", " + msg.obj + ")"); |
| } |
| } |
| } |
| |
| /** |
| * This method is bound to {@link #GnssLocationProvider(Context, LocationProviderManager, |
| * Looper)}. |
| * It is in charge of loading properties and registering for events that will be posted to |
| * this handler. |
| */ |
| private void handleInitialize() { |
| native_init_once(); |
| |
| /* |
| * A cycle of native_init() and native_cleanup() is needed so that callbacks are |
| * registered after bootup even when location is disabled. |
| * This will allow Emergency SUPL to work even when location is disabled before device |
| * restart. |
| */ |
| boolean isInitialized = native_init(); |
| if (!isInitialized) { |
| Log.w(TAG, "Native initialization failed at bootup"); |
| } else { |
| native_cleanup(); |
| } |
| |
| if (native_is_gnss_visibility_control_supported()) { |
| mGnssVisibilityControl = new GnssVisibilityControl(mContext, mLooper); |
| } |
| |
| // load default GPS configuration |
| // (this configuration might change in the future based on SIM changes) |
| reloadGpsProperties(); |
| |
| // TODO: When this object "finishes" we should unregister by invoking |
| // SubscriptionManager.getInstance(mContext).unregister |
| // (mOnSubscriptionsChangedListener); |
| // This is not strictly necessary because it will be unregistered if the |
| // notification fails but it is good form. |
| |
| // Register for SubscriptionInfo list changes which is guaranteed |
| // to invoke onSubscriptionsChanged the first time. |
| SubscriptionManager.from(mContext) |
| .addOnSubscriptionsChangedListener(mOnSubscriptionsChangedListener); |
| |
| // listen for events |
| IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(ALARM_WAKEUP); |
| intentFilter.addAction(ALARM_TIMEOUT); |
| intentFilter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED); |
| intentFilter.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED); |
| intentFilter.addAction(Intent.ACTION_SCREEN_OFF); |
| intentFilter.addAction(Intent.ACTION_SCREEN_ON); |
| intentFilter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED); |
| mContext.registerReceiver(mBroadcastReceiver, intentFilter, null, this); |
| |
| mNetworkConnectivityHandler.registerNetworkCallbacks(); |
| |
| // listen for PASSIVE_PROVIDER updates |
| LocationManager locManager = |
| (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE); |
| long minTime = 0; |
| float minDistance = 0; |
| LocationRequest request = LocationRequest.createFromDeprecatedProvider( |
| LocationManager.PASSIVE_PROVIDER, |
| minTime, |
| minDistance, |
| false); |
| // Don't keep track of this request since it's done on behalf of other clients |
| // (which are kept track of separately). |
| request.setHideFromAppOps(true); |
| locManager.requestLocationUpdates( |
| request, |
| new NetworkLocationListener(), |
| getLooper()); |
| |
| updateEnabled(); |
| } |
| } |
| |
| private abstract class LocationChangeListener implements LocationListener { |
| private int mNumLocationUpdateRequest; |
| |
| @Override |
| public void onStatusChanged(String provider, int status, Bundle extras) { |
| } |
| |
| @Override |
| public void onProviderEnabled(String provider) { |
| } |
| |
| @Override |
| public void onProviderDisabled(String provider) { |
| } |
| } |
| |
| private final class NetworkLocationListener extends LocationChangeListener { |
| @Override |
| public void onLocationChanged(Location location) { |
| // this callback happens on mHandler looper |
| if (LocationManager.NETWORK_PROVIDER.equals(location.getProvider())) { |
| handleUpdateLocation(location); |
| } |
| } |
| } |
| |
| private final class FusedLocationListener extends LocationChangeListener { |
| @Override |
| public void onLocationChanged(Location location) { |
| if (LocationManager.FUSED_PROVIDER.equals(location.getProvider())) { |
| injectBestLocation(location); |
| } |
| } |
| } |
| |
| /** |
| * @return A string representing the given message ID. |
| */ |
| private String messageIdAsString(int message) { |
| switch (message) { |
| case SET_REQUEST: |
| return "SET_REQUEST"; |
| case INJECT_NTP_TIME: |
| return "INJECT_NTP_TIME"; |
| case REQUEST_LOCATION: |
| return "REQUEST_LOCATION"; |
| case DOWNLOAD_XTRA_DATA: |
| return "DOWNLOAD_XTRA_DATA"; |
| case DOWNLOAD_XTRA_DATA_FINISHED: |
| return "DOWNLOAD_XTRA_DATA_FINISHED"; |
| case UPDATE_LOCATION: |
| return "UPDATE_LOCATION"; |
| case SUBSCRIPTION_OR_CARRIER_CONFIG_CHANGED: |
| return "SUBSCRIPTION_OR_CARRIER_CONFIG_CHANGED"; |
| case INITIALIZE_HANDLER: |
| return "INITIALIZE_HANDLER"; |
| case REPORT_LOCATION: |
| return "REPORT_LOCATION"; |
| case REPORT_SV_STATUS: |
| return "REPORT_SV_STATUS"; |
| default: |
| return "<Unknown>"; |
| } |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| StringBuilder s = new StringBuilder(); |
| s.append(" mStarted=").append(mStarted).append('\n'); |
| s.append(" mFixInterval=").append(mFixInterval).append('\n'); |
| s.append(" mLowPowerMode=").append(mLowPowerMode).append('\n'); |
| s.append(" mGnssMeasurementsProvider.isRegistered()=") |
| .append(mGnssMeasurementsProvider.isRegistered()).append('\n'); |
| s.append(" mGnssNavigationMessageProvider.isRegistered()=") |
| .append(mGnssNavigationMessageProvider.isRegistered()).append('\n'); |
| s.append(" mDisableGps (battery saver mode)=").append(mDisableGps).append('\n'); |
| s.append(" mEngineCapabilities=0x").append(Integer.toHexString(mEngineCapabilities)); |
| s.append(" ( "); |
| if (hasCapability(GPS_CAPABILITY_SCHEDULING)) s.append("SCHEDULING "); |
| if (hasCapability(GPS_CAPABILITY_MSB)) s.append("MSB "); |
| if (hasCapability(GPS_CAPABILITY_MSA)) s.append("MSA "); |
| if (hasCapability(GPS_CAPABILITY_SINGLE_SHOT)) s.append("SINGLE_SHOT "); |
| if (hasCapability(GPS_CAPABILITY_ON_DEMAND_TIME)) s.append("ON_DEMAND_TIME "); |
| if (hasCapability(GPS_CAPABILITY_GEOFENCING)) s.append("GEOFENCING "); |
| if (hasCapability(GPS_CAPABILITY_MEASUREMENTS)) s.append("MEASUREMENTS "); |
| if (hasCapability(GPS_CAPABILITY_NAV_MESSAGES)) s.append("NAV_MESSAGES "); |
| if (hasCapability(GPS_CAPABILITY_LOW_POWER_MODE)) s.append("LOW_POWER_MODE "); |
| if (hasCapability(GPS_CAPABILITY_SATELLITE_BLACKLIST)) s.append("SATELLITE_BLACKLIST "); |
| s.append(")\n"); |
| if (mGnssGeofenceProvider.isHardwareGeofenceSupported()) { |
| s.append(" hasSubHal=GEOFENCING\n"); |
| } |
| if (mGnssMeasurementsProvider.isAvailableInPlatform()) { |
| s.append(" hasSubHal=MEASUREMENTS\n"); |
| } |
| if (mGnssNavigationMessageProvider.isAvailableInPlatform()) { |
| s.append(" hasSubHal=NAV_MESSAGES\n"); |
| } |
| if (mGnssMeasurementCorrectionsProvider.isAvailableInPlatform()) { |
| s.append(" hasSubHal=MEASUREMENT_CORRECTIONS ["); |
| s.append(mGnssMeasurementCorrectionsProvider.toStringCapabilities()); |
| s.append("]\n"); |
| } |
| s.append(mGnssMetrics.dumpGnssMetricsAsText()); |
| s.append(" native internal state: ").append(native_get_internal_state()); |
| s.append("\n"); |
| pw.append(s); |
| } |
| |
| // preallocated to avoid memory allocation in reportNmea() |
| private byte[] mNmeaBuffer = new byte[120]; |
| |
| static { |
| class_init_native(); |
| } |
| |
| private static native void class_init_native(); |
| |
| private static native boolean native_is_supported(); |
| |
| private static native boolean native_is_gnss_visibility_control_supported(); |
| |
| private static native void native_init_once(); |
| |
| private native boolean native_init(); |
| |
| private native void native_cleanup(); |
| |
| private native boolean native_set_position_mode(int mode, int recurrence, int min_interval, |
| int preferred_accuracy, int preferred_time, boolean lowPowerMode); |
| |
| private native boolean native_start(); |
| |
| private native boolean native_stop(); |
| |
| private native void native_delete_aiding_data(int flags); |
| |
| private native int native_read_nmea(byte[] buffer, int bufferSize); |
| |
| private native void native_inject_best_location( |
| int gnssLocationFlags, double latitudeDegrees, double longitudeDegrees, |
| double altitudeMeters, float speedMetersPerSec, float bearingDegrees, |
| float horizontalAccuracyMeters, float verticalAccuracyMeters, |
| float speedAccuracyMetersPerSecond, float bearingAccuracyDegrees, |
| long timestamp, int elapsedRealtimeFlags, long elapsedRealtimeNanos, |
| long elapsedRealtimeUncertaintyNanos); |
| |
| private native void native_inject_location(double latitude, double longitude, float accuracy); |
| |
| // XTRA Support |
| private native void native_inject_time(long time, long timeReference, int uncertainty); |
| |
| private native boolean native_supports_xtra(); |
| |
| private native void native_inject_xtra_data(byte[] data, int length); |
| |
| // DEBUG Support |
| private native String native_get_internal_state(); |
| |
| // AGPS Support |
| private native void native_agps_ni_message(byte[] msg, int length); |
| |
| private native void native_set_agps_server(int type, String hostname, int port); |
| |
| // Network-initiated (NI) Support |
| private native void native_send_ni_response(int notificationId, int userResponse); |
| |
| // AGPS ril support |
| private native void native_agps_set_ref_location_cellid(int type, int mcc, int mnc, |
| int lac, int cid); |
| |
| private native void native_agps_set_id(int type, String setid); |
| } |