2 * Copyright (C) 2008 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.server.location;
19 import android.app.AlarmManager;
20 import android.app.AppOpsManager;
21 import android.app.PendingIntent;
22 import android.content.BroadcastReceiver;
23 import android.content.Context;
24 import android.content.Intent;
25 import android.content.IntentFilter;
26 import android.content.pm.PackageManager;
27 import android.database.Cursor;
28 import android.hardware.location.GeofenceHardware;
29 import android.hardware.location.GeofenceHardwareImpl;
30 import android.location.Criteria;
31 import android.location.FusedBatchOptions;
32 import android.location.GnssStatus;
33 import android.location.IGnssStatusListener;
34 import android.location.IGnssStatusProvider;
35 import android.location.GnssMeasurementsEvent;
36 import android.location.GnssNavigationMessage;
37 import android.location.IGpsGeofenceHardware;
38 import android.location.ILocationManager;
39 import android.location.INetInitiatedListener;
40 import android.location.Location;
41 import android.location.LocationListener;
42 import android.location.LocationManager;
43 import android.location.LocationProvider;
44 import android.location.LocationRequest;
45 import android.net.ConnectivityManager;
46 import android.net.Network;
47 import android.net.NetworkCapabilities;
48 import android.net.NetworkInfo;
49 import android.net.NetworkRequest;
50 import android.net.Uri;
51 import android.os.AsyncTask;
52 import android.os.PowerSaveState;
53 import android.os.BatteryStats;
54 import android.os.Binder;
55 import android.os.Bundle;
56 import android.os.PersistableBundle;
57 import android.os.Handler;
58 import android.os.Looper;
59 import android.os.Message;
60 import android.os.PowerManager;
61 import android.os.RemoteException;
62 import android.os.ServiceManager;
63 import android.os.SystemClock;
64 import android.os.SystemProperties;
65 import android.os.UserHandle;
66 import android.os.WorkSource;
67 import android.provider.Settings;
68 import android.provider.Telephony.Carriers;
69 import android.provider.Telephony.Sms.Intents;
70 import android.telephony.SubscriptionManager;
71 import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener;
72 import android.telephony.TelephonyManager;
73 import android.telephony.CarrierConfigManager;
74 import android.telephony.gsm.GsmCellLocation;
75 import android.text.TextUtils;
76 import android.util.Log;
77 import android.util.NtpTrustedTime;
79 import com.android.internal.app.IAppOpsService;
80 import com.android.internal.app.IBatteryStats;
81 import com.android.internal.location.gnssmetrics.GnssMetrics;
82 import com.android.internal.location.GpsNetInitiatedHandler;
83 import com.android.internal.location.GpsNetInitiatedHandler.GpsNiNotification;
84 import com.android.internal.location.ProviderProperties;
85 import com.android.internal.location.ProviderRequest;
87 import com.android.server.power.BatterySaverPolicy;
88 import com.android.server.power.BatterySaverPolicy.ServiceType;
90 import libcore.io.IoUtils;
93 import java.io.FileDescriptor;
94 import java.io.FileInputStream;
95 import java.io.IOException;
96 import java.io.PrintWriter;
97 import java.net.InetAddress;
98 import java.net.UnknownHostException;
99 import java.util.ArrayList;
100 import java.util.Arrays;
101 import java.util.Date;
102 import java.util.List;
103 import java.util.Map.Entry;
104 import java.util.Properties;
105 import java.util.Map;
106 import java.util.HashMap;
109 * A GNSS implementation of LocationProvider used by LocationManager.
113 public class GnssLocationProvider implements LocationProviderInterface {
115 private static final String TAG = "GnssLocationProvider";
117 private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
118 private static final boolean VERBOSE = Log.isLoggable(TAG, Log.VERBOSE);
120 private static final ProviderProperties PROPERTIES = new ProviderProperties(
121 true, true, false, false, true, true, true,
122 Criteria.POWER_HIGH, Criteria.ACCURACY_FINE);
124 // these need to match GnssPositionMode enum in IGnss.hal
125 private static final int GPS_POSITION_MODE_STANDALONE = 0;
126 private static final int GPS_POSITION_MODE_MS_BASED = 1;
127 private static final int GPS_POSITION_MODE_MS_ASSISTED = 2;
129 // these need to match GnssPositionRecurrence enum in IGnss.hal
130 private static final int GPS_POSITION_RECURRENCE_PERIODIC = 0;
131 private static final int GPS_POSITION_RECURRENCE_SINGLE = 1;
133 // these need to match GnssStatusValue enum in IGnssCallback.hal
134 private static final int GPS_STATUS_NONE = 0;
135 private static final int GPS_STATUS_SESSION_BEGIN = 1;
136 private static final int GPS_STATUS_SESSION_END = 2;
137 private static final int GPS_STATUS_ENGINE_ON = 3;
138 private static final int GPS_STATUS_ENGINE_OFF = 4;
140 // these need to match AGnssStatusValue enum in IAGnssCallback.hal
141 /** AGPS status event values. */
142 private static final int GPS_REQUEST_AGPS_DATA_CONN = 1;
143 private static final int GPS_RELEASE_AGPS_DATA_CONN = 2;
144 private static final int GPS_AGPS_DATA_CONNECTED = 3;
145 private static final int GPS_AGPS_DATA_CONN_DONE = 4;
146 private static final int GPS_AGPS_DATA_CONN_FAILED = 5;
148 // these need to match GnssLocationFlags enum in types.hal
149 private static final int LOCATION_INVALID = 0;
150 private static final int LOCATION_HAS_LAT_LONG = 1;
151 private static final int LOCATION_HAS_ALTITUDE = 2;
152 private static final int LOCATION_HAS_SPEED = 4;
153 private static final int LOCATION_HAS_BEARING = 8;
154 private static final int LOCATION_HAS_HORIZONTAL_ACCURACY = 16;
155 private static final int LOCATION_HAS_VERTICAL_ACCURACY = 32;
156 private static final int LOCATION_HAS_SPEED_ACCURACY = 64;
157 private static final int LOCATION_HAS_BEARING_ACCURACY = 128;
160 // IMPORTANT - the GPS_DELETE_* symbols here must match GnssAidingData enum in IGnss.hal
161 private static final int GPS_DELETE_EPHEMERIS = 0x0001;
162 private static final int GPS_DELETE_ALMANAC = 0x0002;
163 private static final int GPS_DELETE_POSITION = 0x0004;
164 private static final int GPS_DELETE_TIME = 0x0008;
165 private static final int GPS_DELETE_IONO = 0x0010;
166 private static final int GPS_DELETE_UTC = 0x0020;
167 private static final int GPS_DELETE_HEALTH = 0x0040;
168 private static final int GPS_DELETE_SVDIR = 0x0080;
169 private static final int GPS_DELETE_SVSTEER = 0x0100;
170 private static final int GPS_DELETE_SADATA = 0x0200;
171 private static final int GPS_DELETE_RTI = 0x0400;
172 private static final int GPS_DELETE_CELLDB_INFO = 0x8000;
173 private static final int GPS_DELETE_ALL = 0xFFFF;
175 // The GPS_CAPABILITY_* flags must match Capabilities enum in IGnssCallback.hal
176 private static final int GPS_CAPABILITY_SCHEDULING = 0x0000001;
177 private static final int GPS_CAPABILITY_MSB = 0x0000002;
178 private static final int GPS_CAPABILITY_MSA = 0x0000004;
179 private static final int GPS_CAPABILITY_SINGLE_SHOT = 0x0000008;
180 private static final int GPS_CAPABILITY_ON_DEMAND_TIME = 0x0000010;
181 private static final int GPS_CAPABILITY_GEOFENCING = 0x0000020;
182 private static final int GPS_CAPABILITY_MEASUREMENTS = 0x0000040;
183 private static final int GPS_CAPABILITY_NAV_MESSAGES = 0x0000080;
185 // The AGPS SUPL mode
186 private static final int AGPS_SUPL_MODE_MSA = 0x02;
187 private static final int AGPS_SUPL_MODE_MSB = 0x01;
189 // these need to match AGnssType enum in IAGnssCallback.hal
190 private static final int AGPS_TYPE_SUPL = 1;
191 private static final int AGPS_TYPE_C2K = 2;
193 // these must match the ApnIpType enum in IAGnss.hal
194 private static final int APN_INVALID = 0;
195 private static final int APN_IPV4 = 1;
196 private static final int APN_IPV6 = 2;
197 private static final int APN_IPV4V6 = 3;
199 // for mAGpsDataConnectionState
200 private static final int AGPS_DATA_CONNECTION_CLOSED = 0;
201 private static final int AGPS_DATA_CONNECTION_OPENING = 1;
202 private static final int AGPS_DATA_CONNECTION_OPEN = 2;
205 private static final int CHECK_LOCATION = 1;
206 private static final int ENABLE = 2;
207 private static final int SET_REQUEST = 3;
208 private static final int UPDATE_NETWORK_STATE = 4;
209 private static final int INJECT_NTP_TIME = 5;
210 private static final int DOWNLOAD_XTRA_DATA = 6;
211 private static final int UPDATE_LOCATION = 7;
212 private static final int ADD_LISTENER = 8;
213 private static final int REMOVE_LISTENER = 9;
214 private static final int INJECT_NTP_TIME_FINISHED = 10;
215 private static final int DOWNLOAD_XTRA_DATA_FINISHED = 11;
216 private static final int SUBSCRIPTION_OR_SIM_CHANGED = 12;
217 private static final int INITIALIZE_HANDLER = 13;
218 private static final int REQUEST_SUPL_CONNECTION = 14;
219 private static final int RELEASE_SUPL_CONNECTION = 15;
222 private static final int AGPS_RIL_REQUEST_SETID_IMSI = 1;
223 private static final int AGPS_RIL_REQUEST_SETID_MSISDN = 2;
225 //TODO(b/33112647): Create gps_debug.conf with commented career parameters.
226 private static final String DEBUG_PROPERTIES_FILE = "/etc/gps_debug.conf";
228 // ref. location info
229 private static final int AGPS_REF_LOCATION_TYPE_GSM_CELLID = 1;
230 private static final int AGPS_REF_LOCATION_TYPE_UMTS_CELLID = 2;
233 private static final int AGPS_SETID_TYPE_NONE = 0;
234 private static final int AGPS_SETID_TYPE_IMSI = 1;
235 private static final int AGPS_SETID_TYPE_MSISDN = 2;
237 private static final int GPS_GEOFENCE_UNAVAILABLE = 1<<0L;
238 private static final int GPS_GEOFENCE_AVAILABLE = 1<<1L;
240 // GPS Geofence errors. Should match GeofenceStatus enum in IGnssGeofenceCallback.hal.
241 private static final int GPS_GEOFENCE_OPERATION_SUCCESS = 0;
242 private static final int GPS_GEOFENCE_ERROR_TOO_MANY_GEOFENCES = 100;
243 private static final int GPS_GEOFENCE_ERROR_ID_EXISTS = -101;
244 private static final int GPS_GEOFENCE_ERROR_ID_UNKNOWN = -102;
245 private static final int GPS_GEOFENCE_ERROR_INVALID_TRANSITION = -103;
246 private static final int GPS_GEOFENCE_ERROR_GENERIC = -149;
249 // Valid TCP/UDP port range is (0, 65535].
250 private static final int TCP_MIN_PORT = 0;
251 private static final int TCP_MAX_PORT = 0xffff;
253 /** simpler wrapper for ProviderRequest + Worksource */
254 private static class GpsRequest {
255 public ProviderRequest request;
256 public WorkSource source;
257 public GpsRequest(ProviderRequest request, WorkSource source) {
258 this.request = request;
259 this.source = source;
263 private Object mLock = new Object();
266 private int mStatus = LocationProvider.TEMPORARILY_UNAVAILABLE;
268 // time for last status update
269 private long mStatusUpdateTime = SystemClock.elapsedRealtime();
271 // turn off GPS fix icon if we haven't received a fix in 10 seconds
272 private static final long RECENT_FIX_TIMEOUT = 10 * 1000;
274 // stop trying if we do not receive a fix within 60 seconds
275 private static final int NO_FIX_TIMEOUT = 60 * 1000;
277 // if the fix interval is below this we leave GPS on,
278 // if above then we cycle the GPS driver.
279 // Typical hot TTTF is ~5 seconds, so 10 seconds seems sane.
280 private static final int GPS_POLLING_THRESHOLD_INTERVAL = 10 * 1000;
282 // how often to request NTP time, in milliseconds
283 // current setting 24 hours
284 private static final long NTP_INTERVAL = 24*60*60*1000;
285 // how long to wait if we have a network error in NTP or XTRA downloading
286 // the initial value of the exponential backoff
287 // current setting - 5 minutes
288 private static final long RETRY_INTERVAL = 5*60*1000;
289 // how long to wait if we have a network error in NTP or XTRA downloading
290 // the max value of the exponential backoff
291 // current setting - 4 hours
292 private static final long MAX_RETRY_INTERVAL = 4*60*60*1000;
294 // Timeout when holding wakelocks for downloading XTRA data.
295 private static final long DOWNLOAD_XTRA_DATA_TIMEOUT_MS = 60 * 1000;
297 private BackOff mNtpBackOff = new BackOff(RETRY_INTERVAL, MAX_RETRY_INTERVAL);
298 private BackOff mXtraBackOff = new BackOff(RETRY_INTERVAL, MAX_RETRY_INTERVAL);
300 // true if we are enabled, protected by this
301 private boolean mEnabled;
303 // states for injecting ntp and downloading xtra data
304 private static final int STATE_PENDING_NETWORK = 0;
305 private static final int STATE_DOWNLOADING = 1;
306 private static final int STATE_IDLE = 2;
308 // flags to trigger NTP or XTRA data download when network becomes available
309 // initialized to true so we do NTP and XTRA when the network comes up after booting
310 private int mInjectNtpTimePending = STATE_PENDING_NETWORK;
311 private int mDownloadXtraDataPending = STATE_PENDING_NETWORK;
313 // set to true if the GPS engine requested on-demand NTP time requests
314 private boolean mOnDemandTimeInjection;
316 // true if GPS is navigating
317 private boolean mNavigating;
319 // true if GPS engine is on
320 private boolean mEngineOn;
322 // requested frequency of fixes, in milliseconds
323 private int mFixInterval = 1000;
325 // true if we started navigation
326 private boolean mStarted;
328 // true if single shot request is in progress
329 private boolean mSingleShot;
331 // capabilities of the GPS engine
332 private int mEngineCapabilities;
334 // true if XTRA is supported
335 private boolean mSupportsXtra;
337 // for calculating time to first fix
338 private long mFixRequestTime = 0;
339 // time to first fix for most recent session
340 private int mTimeToFirstFix = 0;
341 // time we received our last fix
342 private long mLastFixTime;
344 private int mPositionMode;
346 // Current request from underlying location clients.
347 private ProviderRequest mProviderRequest = null;
348 // Current list of underlying location clients.
349 private WorkSource mWorkSource = null;
350 // True if gps should be disabled (used to support battery saver mode in settings).
351 private boolean mDisableGps = false;
354 * Properties loaded from PROPERTIES_FILE.
355 * It must be accessed only inside {@link #mHandler}.
357 private Properties mProperties;
359 private String mSuplServerHost;
360 private int mSuplServerPort = TCP_MIN_PORT;
361 private String mC2KServerHost;
362 private int mC2KServerPort;
363 private boolean mSuplEsEnabled = false;
365 private final Context mContext;
366 private final NtpTrustedTime mNtpTime;
367 private final ILocationManager mILocationManager;
368 private Location mLocation = new Location(LocationManager.GPS_PROVIDER);
369 private Bundle mLocationExtras = new Bundle();
370 private final GnssStatusListenerHelper mListenerHelper;
371 private final GnssMeasurementsProvider mGnssMeasurementsProvider;
372 private final GnssNavigationMessageProvider mGnssNavigationMessageProvider;
374 // Handler for processing events
375 private Handler mHandler;
377 /** It must be accessed only inside {@link #mHandler}. */
378 private int mAGpsDataConnectionState;
379 /** It must be accessed only inside {@link #mHandler}. */
380 private InetAddress mAGpsDataConnectionIpAddr;
382 private final ConnectivityManager mConnMgr;
383 private final GpsNetInitiatedHandler mNIHandler;
386 private final static String WAKELOCK_KEY = "GnssLocationProvider";
387 private final PowerManager.WakeLock mWakeLock;
388 private static final String DOWNLOAD_EXTRA_WAKELOCK_KEY = "GnssLocationProviderXtraDownload";
389 private final PowerManager.WakeLock mDownloadXtraWakeLock;
392 private final static String ALARM_WAKEUP = "com.android.internal.location.ALARM_WAKEUP";
393 private final static String ALARM_TIMEOUT = "com.android.internal.location.ALARM_TIMEOUT";
396 private final static String SIM_STATE_CHANGED = "android.intent.action.SIM_STATE_CHANGED";
398 // Persist property for LPP_PROFILE
399 private final static String LPP_PROFILE = "persist.sys.gps.lpp";
403 private final PowerManager mPowerManager;
404 private final AlarmManager mAlarmManager;
405 private final PendingIntent mWakeupIntent;
406 private final PendingIntent mTimeoutIntent;
408 private final IAppOpsService mAppOpsService;
409 private final IBatteryStats mBatteryStats;
411 // only modified on handler thread
412 private WorkSource mClientSource = new WorkSource();
414 private GeofenceHardwareImpl mGeofenceHardwareImpl;
415 private int mYearOfHardware = 0;
417 // Set lower than the current ITAR limit of 600m/s to allow this to trigger even if GPS HAL
418 // stops output right at 600m/s, depriving this of the information of a device that reaches
419 // greater than 600m/s, and higher than the speed of sound to avoid impacting most use cases.
420 private static final float ITAR_SPEED_LIMIT_METERS_PER_SECOND = 400.0F;
421 private boolean mItarSpeedLimitExceeded = false;
424 private GnssMetrics mGnssMetrics;
426 private final IGnssStatusProvider mGnssStatusProvider = new IGnssStatusProvider.Stub() {
428 public void registerGnssStatusCallback(IGnssStatusListener callback) {
429 mListenerHelper.addListener(callback);
433 public void unregisterGnssStatusCallback(IGnssStatusListener callback) {
434 mListenerHelper.removeListener(callback);
438 public IGnssStatusProvider getGnssStatusProvider() {
439 return mGnssStatusProvider;
442 public IGpsGeofenceHardware getGpsGeofenceProxy() {
443 return mGpsGeofenceBinder;
446 public GnssMeasurementsProvider getGnssMeasurementsProvider() {
447 return mGnssMeasurementsProvider;
450 public GnssNavigationMessageProvider getGnssNavigationMessageProvider() {
451 return mGnssNavigationMessageProvider;
455 * Callback used to listen for data connectivity changes.
457 private final ConnectivityManager.NetworkCallback mNetworkConnectivityCallback =
458 new ConnectivityManager.NetworkCallback() {
460 public void onAvailable(Network network) {
461 if (mInjectNtpTimePending == STATE_PENDING_NETWORK) {
464 if (mDownloadXtraDataPending == STATE_PENDING_NETWORK) {
465 xtraDownloadRequest();
467 // Always on, notify HAL so it can get data it needs
468 sendMessage(UPDATE_NETWORK_STATE, 0 /*arg*/, network);
472 public void onLost(Network network) {
473 sendMessage(UPDATE_NETWORK_STATE, 0 /*arg*/, network);
478 * Callback used to listen for availability of a requested SUPL connection.
479 * It is kept as a separate instance from {@link #mNetworkConnectivityCallback} to be able to
480 * manage the registration/un-registration lifetimes separate.
482 private final ConnectivityManager.NetworkCallback mSuplConnectivityCallback =
483 new ConnectivityManager.NetworkCallback() {
485 public void onAvailable(Network network) {
486 // Specific to a change to a SUPL enabled network becoming ready
487 sendMessage(UPDATE_NETWORK_STATE, 0 /*arg*/, network);
491 public void onLost(Network network) {
492 releaseSuplConnection(GPS_RELEASE_AGPS_DATA_CONN);
496 private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
497 @Override public void onReceive(Context context, Intent intent) {
498 String action = intent.getAction();
499 if (DEBUG) Log.d(TAG, "receive broadcast intent, action: " + action);
500 if (action == null) {
504 if (action.equals(ALARM_WAKEUP)) {
505 startNavigating(false);
506 } else if (action.equals(ALARM_TIMEOUT)) {
508 } else if (PowerManager.ACTION_POWER_SAVE_MODE_CHANGED.equals(action)
509 || PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED.equals(action)
510 || Intent.ACTION_SCREEN_OFF.equals(action)
511 || Intent.ACTION_SCREEN_ON.equals(action)) {
512 updateLowPowerMode();
513 } else if (action.equals(SIM_STATE_CHANGED)) {
514 subscriptionOrSimChanged(context);
519 private final OnSubscriptionsChangedListener mOnSubscriptionsChangedListener =
520 new OnSubscriptionsChangedListener() {
522 public void onSubscriptionsChanged() {
523 sendMessage(SUBSCRIPTION_OR_SIM_CHANGED, 0, null);
527 private void subscriptionOrSimChanged(Context context) {
528 if (DEBUG) Log.d(TAG, "received SIM related action: ");
529 TelephonyManager phone = (TelephonyManager)
530 mContext.getSystemService(Context.TELEPHONY_SERVICE);
531 CarrierConfigManager configManager = (CarrierConfigManager)
532 mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE);
533 String mccMnc = phone.getSimOperator();
534 boolean isKeepLppProfile = false;
535 if (!TextUtils.isEmpty(mccMnc)) {
536 if (DEBUG) Log.d(TAG, "SIM MCC/MNC is available: " + mccMnc);
537 synchronized (mLock) {
538 if (configManager != null) {
539 PersistableBundle b = configManager.getConfig();
540 isKeepLppProfile = b.getBoolean(CarrierConfigManager.KEY_PERSIST_LPP_MODE_BOOL);
542 if (isKeepLppProfile) {
543 // load current properties for the carrier
544 loadPropertiesFromResource(context, mProperties);
545 String lpp_profile = mProperties.getProperty("LPP_PROFILE");
546 // set the persist property LPP_PROFILE for the value
547 if (lpp_profile != null) {
548 SystemProperties.set(LPP_PROFILE, lpp_profile);
551 // reset the persist property
552 SystemProperties.set(LPP_PROFILE, "");
554 reloadGpsProperties(context, mProperties);
555 mNIHandler.setSuplEsEnabled(mSuplEsEnabled);
558 if (DEBUG) Log.d(TAG, "SIM MCC/MNC is still not available");
562 private void updateLowPowerMode() {
563 // Disable GPS if we are in device idle mode.
564 boolean disableGps = mPowerManager.isDeviceIdleMode();
565 final PowerSaveState result =
566 mPowerManager.getPowerSaveState(ServiceType.GPS);
567 switch (result.gpsMode) {
568 case BatterySaverPolicy.GPS_MODE_DISABLED_WHEN_SCREEN_OFF:
569 // If we are in battery saver mode and the screen is off, disable GPS.
570 disableGps |= result.batterySaverEnabled && !mPowerManager.isInteractive();
573 if (disableGps != mDisableGps) {
574 mDisableGps = disableGps;
575 updateRequirements();
579 public static boolean isSupported() {
580 return native_is_supported();
583 interface SetCarrierProperty {
584 public boolean set(int value);
587 private void reloadGpsProperties(Context context, Properties properties) {
588 if (DEBUG) Log.d(TAG, "Reset GPS properties, previous size = " + properties.size());
589 loadPropertiesFromResource(context, properties);
591 String lpp_prof = SystemProperties.get(LPP_PROFILE);
592 if (!TextUtils.isEmpty(lpp_prof)) {
593 // override default value of this if lpp_prof is not empty
594 properties.setProperty("LPP_PROFILE", lpp_prof);
597 * Overlay carrier properties from a debug configuration file.
599 loadPropertiesFromFile(DEBUG_PROPERTIES_FILE, properties);
600 // TODO: we should get rid of C2K specific setting.
601 setSuplHostPort(properties.getProperty("SUPL_HOST"),
602 properties.getProperty("SUPL_PORT"));
603 mC2KServerHost = properties.getProperty("C2K_HOST");
604 String portString = properties.getProperty("C2K_PORT");
605 if (mC2KServerHost != null && portString != null) {
607 mC2KServerPort = Integer.parseInt(portString);
608 } catch (NumberFormatException e) {
609 Log.e(TAG, "unable to parse C2K_PORT: " + portString);
612 if (native_is_gnss_configuration_supported()) {
613 Map<String, SetCarrierProperty> map = new HashMap<String, SetCarrierProperty>() {
615 put("SUPL_VER", (val) -> native_set_supl_version(val));
616 put("SUPL_MODE", (val) -> native_set_supl_mode(val));
617 put("SUPL_ES", (val) -> native_set_supl_es(val));
618 put("LPP_PROFILE", (val) -> native_set_lpp_profile(val));
619 put("A_GLONASS_POS_PROTOCOL_SELECT", (val) -> native_set_gnss_pos_protocol_select(val));
620 put("USE_EMERGENCY_PDN_FOR_EMERGENCY_SUPL", (val) -> native_set_emergency_supl_pdn(val));
621 put("GPS_LOCK", (val) -> native_set_gps_lock(val));
625 for(Entry<String, SetCarrierProperty> entry : map.entrySet()) {
626 String propertyName = entry.getKey();
627 String propertyValueString = properties.getProperty(propertyName);
628 if (propertyValueString != null) {
630 int propertyValueInt = Integer.decode(propertyValueString);
631 boolean result = entry.getValue().set(propertyValueInt);
632 if (result == false) {
633 Log.e(TAG, "Unable to set " + propertyName);
635 } catch (NumberFormatException e) {
636 Log.e(TAG, "unable to parse propertyName: " + propertyValueString);
641 Log.d(TAG, "Skipped configuration update because GNSS configuration in GPS HAL is not"
645 // SUPL_ES configuration.
646 String suplESProperty = mProperties.getProperty("SUPL_ES");
647 if (suplESProperty != null) {
649 mSuplEsEnabled = (Integer.parseInt(suplESProperty) == 1);
650 } catch (NumberFormatException e) {
651 Log.e(TAG, "unable to parse SUPL_ES: " + suplESProperty);
656 private void loadPropertiesFromResource(Context context,
657 Properties properties) {
658 String[] configValues = context.getResources().getStringArray(
659 com.android.internal.R.array.config_gpsParameters);
660 for (String item : configValues) {
661 if (DEBUG) Log.d(TAG, "GpsParamsResource: " + item);
662 // We need to support "KEY =", but not "=VALUE".
663 String[] split = item.split("=");
664 if (split.length == 2) {
665 properties.setProperty(split[0].trim().toUpperCase(), split[1]);
667 Log.w(TAG, "malformed contents: " + item);
672 private boolean loadPropertiesFromFile(String filename,
673 Properties properties) {
675 File file = new File(filename);
676 FileInputStream stream = null;
678 stream = new FileInputStream(file);
679 properties.load(stream);
681 IoUtils.closeQuietly(stream);
684 } catch (IOException e) {
685 if (DEBUG) Log.d(TAG, "Could not open GPS configuration file " + filename);
691 public GnssLocationProvider(Context context, ILocationManager ilocationManager,
694 mNtpTime = NtpTrustedTime.getInstance(context);
695 mILocationManager = ilocationManager;
697 mLocation.setExtras(mLocationExtras);
699 // Create a wake lock
700 mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
701 mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, WAKELOCK_KEY);
702 mWakeLock.setReferenceCounted(true);
704 // Create a separate wake lock for xtra downloader as it may be released due to timeout.
705 mDownloadXtraWakeLock = mPowerManager.newWakeLock(
706 PowerManager.PARTIAL_WAKE_LOCK, DOWNLOAD_EXTRA_WAKELOCK_KEY);
707 mDownloadXtraWakeLock.setReferenceCounted(true);
709 mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE);
710 mWakeupIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_WAKEUP), 0);
711 mTimeoutIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_TIMEOUT), 0);
713 mConnMgr = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
715 // App ops service to keep track of who is accessing the GPS
716 mAppOpsService = IAppOpsService.Stub.asInterface(ServiceManager.getService(
717 Context.APP_OPS_SERVICE));
719 // Battery statistics service to be notified when GPS turns on or off
720 mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService(
721 BatteryStats.SERVICE_NAME));
723 // Construct internal handler
724 mHandler = new ProviderHandler(looper);
726 // Load GPS configuration and register listeners in the background:
727 // some operations, such as opening files and registering broadcast receivers, can take a
728 // relative long time, so the ctor() is kept to create objects needed by this instance,
729 // while IO initialization and registration is delegated to our internal handler
730 // this approach is just fine because events are posted to our handler anyway
731 mProperties = new Properties();
732 sendMessage(INITIALIZE_HANDLER, 0, null);
734 // Create a GPS net-initiated handler.
735 mNIHandler = new GpsNetInitiatedHandler(context,
736 mNetInitiatedListener,
739 mListenerHelper = new GnssStatusListenerHelper(mHandler) {
741 protected boolean isAvailableInPlatform() {
742 return isSupported();
746 protected boolean isGpsEnabled() {
751 mGnssMeasurementsProvider = new GnssMeasurementsProvider(mHandler) {
753 public boolean isAvailableInPlatform() {
754 return native_is_measurement_supported();
758 protected boolean registerWithService() {
759 return native_start_measurement_collection();
763 protected void unregisterFromService() {
764 native_stop_measurement_collection();
768 protected boolean isGpsEnabled() {
773 mGnssNavigationMessageProvider = new GnssNavigationMessageProvider(mHandler) {
775 protected boolean isAvailableInPlatform() {
776 return native_is_navigation_message_supported();
780 protected boolean registerWithService() {
781 return native_start_navigation_message_collection();
785 protected void unregisterFromService() {
786 native_stop_navigation_message_collection();
790 protected boolean isGpsEnabled() {
794 mGnssMetrics = new GnssMetrics();
797 * A cycle of native_init() and native_cleanup() is needed so that callbacks are registered
798 * after bootup even when location is disabled. This will allow Emergency SUPL to work even
799 * when location is disabled before device restart.
801 boolean isInitialized = native_init();
803 Log.d(TAG, "Failed to initialize at bootup");
810 * Returns the name of this provider.
813 public String getName() {
814 return LocationManager.GPS_PROVIDER;
818 public ProviderProperties getProperties() {
822 private void handleUpdateNetworkState(Network network) {
823 // retrieve NetworkInfo for this UID
824 NetworkInfo info = mConnMgr.getNetworkInfo(network);
826 boolean networkAvailable = false;
827 boolean isConnected = false;
828 int type = ConnectivityManager.TYPE_NONE;
829 boolean isRoaming = false;
830 String apnName = null;
833 networkAvailable = info.isAvailable() && TelephonyManager.getDefault().getDataEnabled();
834 isConnected = info.isConnected();
835 type = info.getType();
836 isRoaming = info.isRoaming();
837 apnName = info.getExtraInfo();
841 String message = String.format(
842 "UpdateNetworkState, state=%s, connected=%s, info=%s, capabilities=%S",
843 agpsDataConnStateAsString(),
846 mConnMgr.getNetworkCapabilities(network));
850 if (native_is_agps_ril_supported()) {
851 String defaultApn = getSelectedApn();
852 if (defaultApn == null) {
853 defaultApn = "dummy-apn";
856 native_update_network_state(
864 Log.d(TAG, "Skipped network state update because GPS HAL AGPS-RIL is not supported");
867 if (mAGpsDataConnectionState == AGPS_DATA_CONNECTION_OPENING) {
869 if (apnName == null) {
870 // assign a dummy value in the case of C2K as otherwise we will have a runtime
871 // exception in the following call to native_agps_data_conn_open
872 apnName = "dummy-apn";
874 int apnIpType = getApnIpType(apnName);
877 String message = String.format(
878 "native_agps_data_conn_open: mAgpsApn=%s, mApnIpType=%s",
883 native_agps_data_conn_open(apnName, apnIpType);
884 mAGpsDataConnectionState = AGPS_DATA_CONNECTION_OPEN;
886 handleReleaseSuplConnection(GPS_AGPS_DATA_CONN_FAILED);
891 private void handleRequestSuplConnection(InetAddress address) {
893 String message = String.format(
894 "requestSuplConnection, state=%s, address=%s",
895 agpsDataConnStateAsString(),
900 if (mAGpsDataConnectionState != AGPS_DATA_CONNECTION_CLOSED) {
903 mAGpsDataConnectionIpAddr = address;
904 mAGpsDataConnectionState = AGPS_DATA_CONNECTION_OPENING;
906 NetworkRequest.Builder requestBuilder = new NetworkRequest.Builder();
907 requestBuilder.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR);
908 requestBuilder.addCapability(NetworkCapabilities.NET_CAPABILITY_SUPL);
909 NetworkRequest request = requestBuilder.build();
910 mConnMgr.requestNetwork(
912 mSuplConnectivityCallback);
915 private void handleReleaseSuplConnection(int agpsDataConnStatus) {
917 String message = String.format(
918 "releaseSuplConnection, state=%s, status=%s",
919 agpsDataConnStateAsString(),
920 agpsDataConnStatusAsString(agpsDataConnStatus));
924 if (mAGpsDataConnectionState == AGPS_DATA_CONNECTION_CLOSED) {
927 mAGpsDataConnectionState = AGPS_DATA_CONNECTION_CLOSED;
929 mConnMgr.unregisterNetworkCallback(mSuplConnectivityCallback);
930 switch (agpsDataConnStatus) {
931 case GPS_AGPS_DATA_CONN_FAILED:
932 native_agps_data_conn_failed();
934 case GPS_RELEASE_AGPS_DATA_CONN:
935 native_agps_data_conn_closed();
938 Log.e(TAG, "Invalid status to release SUPL connection: " + agpsDataConnStatus);
942 private void handleInjectNtpTime() {
943 if (mInjectNtpTimePending == STATE_DOWNLOADING) {
944 // already downloading data
947 if (!isDataNetworkConnected()) {
948 // try again when network is up
949 mInjectNtpTimePending = STATE_PENDING_NETWORK;
952 mInjectNtpTimePending = STATE_DOWNLOADING;
954 // hold wake lock while task runs
956 Log.i(TAG, "WakeLock acquired by handleInjectNtpTime()");
957 AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
962 // force refresh NTP cache when outdated
963 boolean refreshSuccess = true;
964 if (mNtpTime.getCacheAge() >= NTP_INTERVAL) {
965 refreshSuccess = mNtpTime.forceRefresh();
968 // only update when NTP time is fresh
969 if (mNtpTime.getCacheAge() < NTP_INTERVAL) {
970 long time = mNtpTime.getCachedNtpTime();
971 long timeReference = mNtpTime.getCachedNtpTimeReference();
972 long certainty = mNtpTime.getCacheCertainty();
975 long now = System.currentTimeMillis();
976 Log.d(TAG, "NTP server returned: "
977 + time + " (" + new Date(time)
978 + ") reference: " + timeReference
979 + " certainty: " + certainty
980 + " system time offset: " + (time - now));
983 native_inject_time(time, timeReference, (int) certainty);
984 delay = NTP_INTERVAL;
987 Log.e(TAG, "requestTime failed");
988 delay = mNtpBackOff.nextBackoffMillis();
991 sendMessage(INJECT_NTP_TIME_FINISHED, 0, null);
994 String message = String.format(
995 "onDemandTimeInjection=%s, refreshSuccess=%s, delay=%s",
996 mOnDemandTimeInjection,
1001 if (mOnDemandTimeInjection || !refreshSuccess) {
1002 // send delayed message for next NTP injection
1003 // since this is delayed and not urgent we do not hold a wake lock here
1004 mHandler.sendEmptyMessageDelayed(INJECT_NTP_TIME, delay);
1007 // release wake lock held by task
1008 mWakeLock.release();
1009 Log.i(TAG, "WakeLock released by handleInjectNtpTime()");
1014 private void handleDownloadXtraData() {
1015 if (!mSupportsXtra) {
1016 // native code reports xtra not supported, don't try
1017 Log.d(TAG, "handleDownloadXtraData() called when Xtra not supported");
1020 if (mDownloadXtraDataPending == STATE_DOWNLOADING) {
1021 // already downloading data
1024 if (!isDataNetworkConnected()) {
1025 // try again when network is up
1026 mDownloadXtraDataPending = STATE_PENDING_NETWORK;
1029 mDownloadXtraDataPending = STATE_DOWNLOADING;
1031 // hold wake lock while task runs
1032 mDownloadXtraWakeLock.acquire(DOWNLOAD_XTRA_DATA_TIMEOUT_MS);
1033 Log.i(TAG, "WakeLock acquired by handleDownloadXtraData()");
1034 AsyncTask.THREAD_POOL_EXECUTOR.execute(new Runnable() {
1037 GpsXtraDownloader xtraDownloader = new GpsXtraDownloader(mProperties);
1038 byte[] data = xtraDownloader.downloadXtraData();
1040 if (DEBUG) Log.d(TAG, "calling native_inject_xtra_data");
1041 native_inject_xtra_data(data, data.length);
1042 mXtraBackOff.reset();
1045 sendMessage(DOWNLOAD_XTRA_DATA_FINISHED, 0, null);
1049 // since this is delayed and not urgent we do not hold a wake lock here
1050 mHandler.sendEmptyMessageDelayed(DOWNLOAD_XTRA_DATA,
1051 mXtraBackOff.nextBackoffMillis());
1054 // Release wake lock held by task, synchronize on mLock in case multiple
1055 // download tasks overrun.
1056 synchronized (mLock) {
1057 if (mDownloadXtraWakeLock.isHeld()) {
1058 // This wakelock may have time-out, if a timeout was specified.
1059 // Catch (and ignore) any timeout exceptions.
1061 mDownloadXtraWakeLock.release();
1062 if (DEBUG) Log.d(TAG, "WakeLock released by handleDownloadXtraData()");
1063 } catch (Exception e) {
1064 Log.i(TAG, "Wakelock timeout & release race exception in "
1065 + "handleDownloadXtraData()", e);
1068 Log.e(TAG, "WakeLock expired before release in "
1069 + "handleDownloadXtraData()");
1076 private void handleUpdateLocation(Location location) {
1077 if (location.hasAccuracy()) {
1078 native_inject_location(location.getLatitude(), location.getLongitude(),
1079 location.getAccuracy());
1084 * Enables this provider. When enabled, calls to getStatus()
1085 * must be handled. Hardware may be started up
1086 * when the provider is enabled.
1089 public void enable() {
1090 synchronized (mLock) {
1091 if (mEnabled) return;
1095 sendMessage(ENABLE, 1, null);
1098 private void setSuplHostPort(String hostString, String portString) {
1099 if (hostString != null) {
1100 mSuplServerHost = hostString;
1102 if (portString != null) {
1104 mSuplServerPort = Integer.parseInt(portString);
1105 } catch (NumberFormatException e) {
1106 Log.e(TAG, "unable to parse SUPL_PORT: " + portString);
1109 if (mSuplServerHost != null
1110 && mSuplServerPort > TCP_MIN_PORT
1111 && mSuplServerPort <= TCP_MAX_PORT) {
1112 native_set_agps_server(AGPS_TYPE_SUPL, mSuplServerHost, mSuplServerPort);
1117 * Checks what SUPL mode to use, according to the AGPS mode as well as the
1118 * allowed mode from properties.
1120 * @param properties GPS properties
1121 * @param agpsEnabled whether AGPS is enabled by settings value
1122 * @param singleShot whether "singleshot" is needed
1123 * @return SUPL mode (MSA vs MSB vs STANDALONE)
1125 private int getSuplMode(Properties properties, boolean agpsEnabled, boolean singleShot) {
1127 String modeString = properties.getProperty("SUPL_MODE");
1129 if (!TextUtils.isEmpty(modeString)) {
1131 suplMode = Integer.parseInt(modeString);
1132 } catch (NumberFormatException e) {
1133 Log.e(TAG, "unable to parse SUPL_MODE: " + modeString);
1134 return GPS_POSITION_MODE_STANDALONE;
1137 // MS-Based is the preferred mode for Assisted-GPS position computation, so we favor
1138 // such mode when it is available
1139 if (hasCapability(GPS_CAPABILITY_MSB) && (suplMode & AGPS_SUPL_MODE_MSB) != 0) {
1140 return GPS_POSITION_MODE_MS_BASED;
1142 // for now, just as the legacy code did, we fallback to MS-Assisted if it is available,
1143 // do fallback only for single-shot requests, because it is too expensive to do for
1144 // periodic requests as well
1146 && hasCapability(GPS_CAPABILITY_MSA)
1147 && (suplMode & AGPS_SUPL_MODE_MSA) != 0) {
1148 return GPS_POSITION_MODE_MS_ASSISTED;
1151 return GPS_POSITION_MODE_STANDALONE;
1154 private void handleEnable() {
1155 if (DEBUG) Log.d(TAG, "handleEnable");
1157 boolean enabled = native_init();
1160 mSupportsXtra = native_supports_xtra();
1162 // TODO: remove the following native calls if we can make sure they are redundant.
1163 if (mSuplServerHost != null) {
1164 native_set_agps_server(AGPS_TYPE_SUPL, mSuplServerHost, mSuplServerPort);
1166 if (mC2KServerHost != null) {
1167 native_set_agps_server(AGPS_TYPE_C2K, mC2KServerHost, mC2KServerPort);
1170 mGnssMeasurementsProvider.onGpsEnabledChanged();
1171 mGnssNavigationMessageProvider.onGpsEnabledChanged();
1174 synchronized (mLock) {
1177 Log.w(TAG, "Failed to enable location provider");
1182 * Disables this provider. When disabled, calls to getStatus()
1183 * need not be handled. Hardware may be shut
1184 * down while the provider is disabled.
1187 public void disable() {
1188 synchronized (mLock) {
1189 if (!mEnabled) return;
1193 sendMessage(ENABLE, 0, null);
1196 private void handleDisable() {
1197 if (DEBUG) Log.d(TAG, "handleDisable");
1199 updateClientUids(new WorkSource());
1201 mAlarmManager.cancel(mWakeupIntent);
1202 mAlarmManager.cancel(mTimeoutIntent);
1205 // do this before releasing wakelock
1208 mGnssMeasurementsProvider.onGpsEnabledChanged();
1209 mGnssNavigationMessageProvider.onGpsEnabledChanged();
1213 public boolean isEnabled() {
1214 synchronized (mLock) {
1220 public int getStatus(Bundle extras) {
1221 setLocationExtras(extras);
1225 private void updateStatus(int status, int svCount, int meanCn0, int maxCn0) {
1226 if (status != mStatus || svCount != mSvCount || meanCn0 != mMeanCn0 || maxCn0 != mMaxCn0 ) {
1231 setLocationExtras(mLocationExtras);
1232 mStatusUpdateTime = SystemClock.elapsedRealtime();
1236 private void setLocationExtras(Bundle extras) {
1237 if (extras != null) {
1238 extras.putInt("satellites", mSvCount);
1239 extras.putInt("meanCn0", mMeanCn0);
1240 extras.putInt("maxCn0", mMaxCn0);
1245 public long getStatusUpdateTime() {
1246 return mStatusUpdateTime;
1250 public void setRequest(ProviderRequest request, WorkSource source) {
1251 sendMessage(SET_REQUEST, 0, new GpsRequest(request, source));
1254 private void handleSetRequest(ProviderRequest request, WorkSource source) {
1255 mProviderRequest = request;
1256 mWorkSource = source;
1257 updateRequirements();
1260 // Called when the requirements for GPS may have changed
1261 private void updateRequirements() {
1262 if (mProviderRequest == null || mWorkSource == null) {
1266 boolean singleShot = false;
1268 // see if the request is for a single update
1269 if (mProviderRequest.locationRequests != null
1270 && mProviderRequest.locationRequests.size() > 0) {
1271 // if any request has zero or more than one updates
1272 // requested, then this is not single-shot mode
1275 for (LocationRequest lr : mProviderRequest.locationRequests) {
1276 if (lr.getNumUpdates() != 1) {
1282 if (DEBUG) Log.d(TAG, "setRequest " + mProviderRequest);
1283 if (mProviderRequest.reportLocation && !mDisableGps && isEnabled()) {
1284 // update client uids
1285 updateClientUids(mWorkSource);
1287 mFixInterval = (int) mProviderRequest.interval;
1289 // check for overflow
1290 if (mFixInterval != mProviderRequest.interval) {
1291 Log.w(TAG, "interval overflow: " + mProviderRequest.interval);
1292 mFixInterval = Integer.MAX_VALUE;
1295 // apply request to GPS engine
1296 if (mStarted && hasCapability(GPS_CAPABILITY_SCHEDULING)) {
1298 if (!native_set_position_mode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC,
1299 mFixInterval, 0, 0)) {
1300 Log.e(TAG, "set_position_mode failed in setMinTime()");
1302 } else if (!mStarted) {
1304 startNavigating(singleShot);
1307 updateClientUids(new WorkSource());
1310 mAlarmManager.cancel(mWakeupIntent);
1311 mAlarmManager.cancel(mTimeoutIntent);
1315 private void updateClientUids(WorkSource source) {
1316 // Update work source.
1317 WorkSource[] changes = mClientSource.setReturningDiffs(source);
1318 if (changes == null) {
1321 WorkSource newWork = changes[0];
1322 WorkSource goneWork = changes[1];
1324 // Update sources that were not previously tracked.
1325 if (newWork != null) {
1327 for (int i=0; i<newWork.size(); i++) {
1329 int uid = newWork.get(i);
1330 mAppOpsService.startOperation(AppOpsManager.getToken(mAppOpsService),
1331 AppOpsManager.OP_GPS, uid, newWork.getName(i));
1332 if (uid != lastuid) {
1334 mBatteryStats.noteStartGps(uid);
1336 } catch (RemoteException e) {
1337 Log.w(TAG, "RemoteException", e);
1342 // Update sources that are no longer tracked.
1343 if (goneWork != null) {
1345 for (int i=0; i<goneWork.size(); i++) {
1347 int uid = goneWork.get(i);
1348 mAppOpsService.finishOperation(AppOpsManager.getToken(mAppOpsService),
1349 AppOpsManager.OP_GPS, uid, goneWork.getName(i));
1350 if (uid != lastuid) {
1352 mBatteryStats.noteStopGps(uid);
1354 } catch (RemoteException e) {
1355 Log.w(TAG, "RemoteException", e);
1362 public boolean sendExtraCommand(String command, Bundle extras) {
1364 long identity = Binder.clearCallingIdentity();
1365 boolean result = false;
1367 if ("delete_aiding_data".equals(command)) {
1368 result = deleteAidingData(extras);
1369 } else if ("force_time_injection".equals(command)) {
1372 } else if ("force_xtra_injection".equals(command)) {
1373 if (mSupportsXtra) {
1374 xtraDownloadRequest();
1378 Log.w(TAG, "sendExtraCommand: unknown command " + command);
1381 Binder.restoreCallingIdentity(identity);
1385 private IGpsGeofenceHardware mGpsGeofenceBinder = new IGpsGeofenceHardware.Stub() {
1386 public boolean isHardwareGeofenceSupported() {
1387 return native_is_geofence_supported();
1390 public boolean addCircularHardwareGeofence(int geofenceId, double latitude,
1391 double longitude, double radius, int lastTransition, int monitorTransitions,
1392 int notificationResponsiveness, int unknownTimer) {
1393 return native_add_geofence(geofenceId, latitude, longitude, radius,
1394 lastTransition, monitorTransitions, notificationResponsiveness, unknownTimer);
1397 public boolean removeHardwareGeofence(int geofenceId) {
1398 return native_remove_geofence(geofenceId);
1401 public boolean pauseHardwareGeofence(int geofenceId) {
1402 return native_pause_geofence(geofenceId);
1405 public boolean resumeHardwareGeofence(int geofenceId, int monitorTransition) {
1406 return native_resume_geofence(geofenceId, monitorTransition);
1410 private boolean deleteAidingData(Bundle extras) {
1413 if (extras == null) {
1414 flags = GPS_DELETE_ALL;
1417 if (extras.getBoolean("ephemeris")) flags |= GPS_DELETE_EPHEMERIS;
1418 if (extras.getBoolean("almanac")) flags |= GPS_DELETE_ALMANAC;
1419 if (extras.getBoolean("position")) flags |= GPS_DELETE_POSITION;
1420 if (extras.getBoolean("time")) flags |= GPS_DELETE_TIME;
1421 if (extras.getBoolean("iono")) flags |= GPS_DELETE_IONO;
1422 if (extras.getBoolean("utc")) flags |= GPS_DELETE_UTC;
1423 if (extras.getBoolean("health")) flags |= GPS_DELETE_HEALTH;
1424 if (extras.getBoolean("svdir")) flags |= GPS_DELETE_SVDIR;
1425 if (extras.getBoolean("svsteer")) flags |= GPS_DELETE_SVSTEER;
1426 if (extras.getBoolean("sadata")) flags |= GPS_DELETE_SADATA;
1427 if (extras.getBoolean("rti")) flags |= GPS_DELETE_RTI;
1428 if (extras.getBoolean("celldb-info")) flags |= GPS_DELETE_CELLDB_INFO;
1429 if (extras.getBoolean("all")) flags |= GPS_DELETE_ALL;
1433 native_delete_aiding_data(flags);
1440 private void startNavigating(boolean singleShot) {
1442 if (DEBUG) Log.d(TAG, "startNavigating, singleShot is " + singleShot);
1443 mTimeToFirstFix = 0;
1446 mSingleShot = singleShot;
1447 mPositionMode = GPS_POSITION_MODE_STANDALONE;
1448 // Notify about suppressed output, if speed limit was previously exceeded.
1449 // Elsewhere, we check again with every speed output reported.
1450 if (mItarSpeedLimitExceeded) {
1451 Log.i(TAG, "startNavigating with ITAR limit in place. Output limited " +
1452 "until slow enough speed reported.");
1455 boolean agpsEnabled =
1456 (Settings.Global.getInt(mContext.getContentResolver(),
1457 Settings.Global.ASSISTED_GPS_ENABLED, 1) != 0);
1458 mPositionMode = getSuplMode(mProperties, agpsEnabled, singleShot);
1463 switch(mPositionMode) {
1464 case GPS_POSITION_MODE_STANDALONE:
1465 mode = "standalone";
1467 case GPS_POSITION_MODE_MS_ASSISTED:
1468 mode = "MS_ASSISTED";
1470 case GPS_POSITION_MODE_MS_BASED:
1477 Log.d(TAG, "setting position_mode to " + mode);
1480 int interval = (hasCapability(GPS_CAPABILITY_SCHEDULING) ? mFixInterval : 1000);
1481 if (!native_set_position_mode(mPositionMode, GPS_POSITION_RECURRENCE_PERIODIC,
1484 Log.e(TAG, "set_position_mode failed in startNavigating()");
1487 if (!native_start()) {
1489 Log.e(TAG, "native_start failed in startNavigating()");
1493 // reset SV count to zero
1494 updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0, 0, 0);
1495 mFixRequestTime = SystemClock.elapsedRealtime();
1496 if (!hasCapability(GPS_CAPABILITY_SCHEDULING)) {
1497 // set timer to give up if we do not receive a fix within NO_FIX_TIMEOUT
1498 // and our fix interval is not short
1499 if (mFixInterval >= NO_FIX_TIMEOUT) {
1500 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
1501 SystemClock.elapsedRealtime() + NO_FIX_TIMEOUT, mTimeoutIntent);
1507 private void stopNavigating() {
1508 if (DEBUG) Log.d(TAG, "stopNavigating");
1511 mSingleShot = false;
1513 mTimeToFirstFix = 0;
1516 // reset SV count to zero
1517 updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, 0, 0, 0);
1521 private void hibernate() {
1522 // stop GPS until our next fix interval arrives
1524 mAlarmManager.cancel(mTimeoutIntent);
1525 mAlarmManager.cancel(mWakeupIntent);
1526 long now = SystemClock.elapsedRealtime();
1527 mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, now + mFixInterval, mWakeupIntent);
1530 private boolean hasCapability(int capability) {
1531 return ((mEngineCapabilities & capability) != 0);
1536 * called from native code to update our position.
1538 private void reportLocation(boolean hasLatLong, Location location) {
1539 if (location.hasSpeed()) {
1540 mItarSpeedLimitExceeded = location.getSpeed() > ITAR_SPEED_LIMIT_METERS_PER_SECOND;
1543 if (mItarSpeedLimitExceeded) {
1544 Log.i(TAG, "Hal reported a speed in excess of ITAR limit." +
1545 " GPS/GNSS Navigation output blocked.");
1546 mGnssMetrics.logReceivedLocationStatus(false);
1547 return; // No output of location allowed
1550 if (VERBOSE) Log.v(TAG, "reportLocation " + location.toString());
1552 synchronized (mLocation) {
1553 mLocation = location;
1554 // It would be nice to push the elapsed real-time timestamp
1555 // further down the stack, but this is still useful
1556 mLocation.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
1557 mLocation.setExtras(mLocationExtras);
1560 mILocationManager.reportLocation(mLocation, false);
1561 } catch (RemoteException e) {
1562 Log.e(TAG, "RemoteException calling reportLocation");
1566 mGnssMetrics.logReceivedLocationStatus(hasLatLong);
1568 if (location.hasAccuracy()) {
1569 mGnssMetrics.logPositionAccuracyMeters(location.getAccuracy());
1571 if (mTimeToFirstFix > 0) {
1572 int timeBetweenFixes = (int) (SystemClock.elapsedRealtime() - mLastFixTime);
1573 mGnssMetrics.logMissedReports(mFixInterval, timeBetweenFixes);
1577 mLastFixTime = SystemClock.elapsedRealtime();
1578 // report time to first fix
1579 if (mTimeToFirstFix == 0 && hasLatLong) {
1580 mTimeToFirstFix = (int)(mLastFixTime - mFixRequestTime);
1581 if (DEBUG) Log.d(TAG, "TTFF: " + mTimeToFirstFix);
1582 mGnssMetrics.logTimeToFirstFixMilliSecs(mTimeToFirstFix);
1584 // notify status listeners
1585 mListenerHelper.onFirstFix(mTimeToFirstFix);
1592 if (mStarted && mStatus != LocationProvider.AVAILABLE) {
1593 // we want to time out if we do not receive a fix
1594 // within the time out and we are requesting infrequent fixes
1595 if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mFixInterval < NO_FIX_TIMEOUT) {
1596 mAlarmManager.cancel(mTimeoutIntent);
1599 // send an intent to notify that the GPS is receiving fixes.
1600 Intent intent = new Intent(LocationManager.GPS_FIX_CHANGE_ACTION);
1601 intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, true);
1602 mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
1603 updateStatus(LocationProvider.AVAILABLE, mSvCount, mMeanCn0, mMaxCn0);
1606 if (!hasCapability(GPS_CAPABILITY_SCHEDULING) && mStarted &&
1607 mFixInterval > GPS_POLLING_THRESHOLD_INTERVAL) {
1608 if (DEBUG) Log.d(TAG, "got fix, hibernating");
1614 * called from native code to update our status
1616 private void reportStatus(int status) {
1617 if (DEBUG) Log.v(TAG, "reportStatus status: " + status);
1619 boolean wasNavigating = mNavigating;
1621 case GPS_STATUS_SESSION_BEGIN:
1625 case GPS_STATUS_SESSION_END:
1626 mNavigating = false;
1628 case GPS_STATUS_ENGINE_ON:
1631 case GPS_STATUS_ENGINE_OFF:
1633 mNavigating = false;
1637 if (wasNavigating != mNavigating) {
1638 mListenerHelper.onStatusChanged(mNavigating);
1640 // send an intent to notify that the GPS has been enabled or disabled
1641 Intent intent = new Intent(LocationManager.GPS_ENABLED_CHANGE_ACTION);
1642 intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, mNavigating);
1643 mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
1648 * called from native code to update SV info
1650 private void reportSvStatus() {
1651 int svCount = native_read_sv_status(mSvidWithFlags,
1656 mListenerHelper.onSvStatusChanged(
1664 // Log CN0 as part of GNSS metrics
1665 mGnssMetrics.logCn0(mCn0s, svCount);
1668 Log.v(TAG, "SV count: " + svCount);
1670 // Calculate number of satellites used in fix.
1671 int usedInFixCount = 0;
1674 for (int i = 0; i < svCount; i++) {
1675 if ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_USED_IN_FIX) != 0) {
1677 if (mCn0s[i] > maxCn0) {
1678 maxCn0 = (int)mCn0s[i];
1680 meanCn0 += mCn0s[i];
1683 Log.v(TAG, "svid: " + (mSvidWithFlags[i] >> GnssStatus.SVID_SHIFT_WIDTH) +
1684 " cn0: " + mCn0s[i] +
1685 " elev: " + mSvElevations[i] +
1686 " azimuth: " + mSvAzimuths[i] +
1687 " carrier frequency: " + mSvCarrierFreqs[i] +
1688 ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_HAS_EPHEMERIS_DATA) == 0
1690 ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_HAS_ALMANAC_DATA) == 0
1692 ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_USED_IN_FIX) == 0
1694 ((mSvidWithFlags[i] & GnssStatus.GNSS_SV_FLAGS_HAS_CARRIER_FREQUENCY) == 0
1698 if (usedInFixCount > 0) {
1699 meanCn0 /= usedInFixCount;
1701 // return number of sats used in fix instead of total reported
1702 updateStatus(mStatus, usedInFixCount, meanCn0, maxCn0);
1704 if (mNavigating && mStatus == LocationProvider.AVAILABLE && mLastFixTime > 0 &&
1705 SystemClock.elapsedRealtime() - mLastFixTime > RECENT_FIX_TIMEOUT) {
1706 // send an intent to notify that the GPS is no longer receiving fixes.
1707 Intent intent = new Intent(LocationManager.GPS_FIX_CHANGE_ACTION);
1708 intent.putExtra(LocationManager.EXTRA_GPS_ENABLED, false);
1709 mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
1710 updateStatus(LocationProvider.TEMPORARILY_UNAVAILABLE, mSvCount, mMeanCn0, mMaxCn0);
1715 * called from native code to update AGPS status
1717 private void reportAGpsStatus(int type, int status, byte[] ipaddr) {
1719 case GPS_REQUEST_AGPS_DATA_CONN:
1720 if (DEBUG) Log.d(TAG, "GPS_REQUEST_AGPS_DATA_CONN");
1721 Log.v(TAG, "Received SUPL IP addr[]: " + Arrays.toString(ipaddr));
1722 InetAddress connectionIpAddress = null;
1723 if (ipaddr != null) {
1725 connectionIpAddress = InetAddress.getByAddress(ipaddr);
1726 if (DEBUG) Log.d(TAG, "IP address converted to: " + connectionIpAddress);
1727 } catch (UnknownHostException e) {
1728 Log.e(TAG, "Bad IP Address: " + ipaddr, e);
1731 sendMessage(REQUEST_SUPL_CONNECTION, 0 /*arg*/, connectionIpAddress);
1733 case GPS_RELEASE_AGPS_DATA_CONN:
1734 if (DEBUG) Log.d(TAG, "GPS_RELEASE_AGPS_DATA_CONN");
1735 releaseSuplConnection(GPS_RELEASE_AGPS_DATA_CONN);
1737 case GPS_AGPS_DATA_CONNECTED:
1738 if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONNECTED");
1740 case GPS_AGPS_DATA_CONN_DONE:
1741 if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONN_DONE");
1743 case GPS_AGPS_DATA_CONN_FAILED:
1744 if (DEBUG) Log.d(TAG, "GPS_AGPS_DATA_CONN_FAILED");
1747 if (DEBUG) Log.d(TAG, "Received Unknown AGPS status: " + status);
1751 private void releaseSuplConnection(int connStatus) {
1752 sendMessage(RELEASE_SUPL_CONNECTION, connStatus, null /*obj*/);
1756 * called from native code to report NMEA data received
1758 private void reportNmea(long timestamp) {
1759 if (!mItarSpeedLimitExceeded) {
1760 int length = native_read_nmea(mNmeaBuffer, mNmeaBuffer.length);
1761 String nmea = new String(mNmeaBuffer, 0 /* offset */, length);
1762 mListenerHelper.onNmeaReceived(timestamp, nmea);
1767 * called from native code - GNSS measurements callback
1769 private void reportMeasurementData(GnssMeasurementsEvent event) {
1770 if (!mItarSpeedLimitExceeded) {
1771 // send to handler to allow native to return quickly
1772 mHandler.post(new Runnable() {
1775 mGnssMeasurementsProvider.onMeasurementsAvailable(event);
1782 * called from native code - GNSS navigation message callback
1784 private void reportNavigationMessage(GnssNavigationMessage event) {
1785 if (!mItarSpeedLimitExceeded) {
1786 // send to handler to allow native to return quickly
1787 mHandler.post(new Runnable() {
1790 mGnssNavigationMessageProvider.onNavigationMessageAvailable(event);
1797 * called from native code to inform us what the GPS engine capabilities are
1799 private void setEngineCapabilities(int capabilities) {
1800 mEngineCapabilities = capabilities;
1802 if (hasCapability(GPS_CAPABILITY_ON_DEMAND_TIME)) {
1803 mOnDemandTimeInjection = true;
1807 mGnssMeasurementsProvider.onCapabilitiesUpdated(
1808 (capabilities & GPS_CAPABILITY_MEASUREMENTS) == GPS_CAPABILITY_MEASUREMENTS);
1809 mGnssNavigationMessageProvider.onCapabilitiesUpdated(
1810 (capabilities & GPS_CAPABILITY_NAV_MESSAGES) == GPS_CAPABILITY_NAV_MESSAGES);
1814 * Called from native code to inform us the hardware information.
1816 private void setGnssYearOfHardware(int yearOfHardware) {
1817 if (DEBUG) Log.d(TAG, "setGnssYearOfHardware called with " + yearOfHardware);
1818 mYearOfHardware = yearOfHardware;
1821 public interface GnssSystemInfoProvider {
1823 * Returns the year of GPS hardware.
1825 int getGnssYearOfHardware();
1831 public GnssSystemInfoProvider getGnssSystemInfoProvider() {
1832 return new GnssSystemInfoProvider() {
1834 public int getGnssYearOfHardware() {
1835 return mYearOfHardware;
1840 public interface GnssBatchingProvider {
1842 * Returns the GNSS batching size
1846 * Starts the hardware batching operation
1848 boolean start(long periodNanos, boolean wakeOnFifoFull);
1850 * Forces a flush of existing locations from the hardware batching
1854 * Stops the batching operation
1862 public GnssBatchingProvider getGnssBatchingProvider() {
1863 return new GnssBatchingProvider() {
1865 public int getSize() {
1866 return native_get_batch_size();
1869 public boolean start(long periodNanos, boolean wakeOnFifoFull) {
1870 if (periodNanos <= 0) {
1871 Log.e(TAG, "Invalid periodNanos " + periodNanos +
1872 "in batching request, not started");
1875 return native_start_batch(periodNanos, wakeOnFifoFull);
1878 public void flush() {
1879 native_flush_batch();
1882 public boolean stop() {
1883 return native_stop_batch();
1888 public interface GnssMetricsProvider {
1890 * Returns GNSS metrics as proto string
1892 String getGnssMetricsAsProtoString();
1898 public GnssMetricsProvider getGnssMetricsProvider() {
1899 return new GnssMetricsProvider() {
1901 public String getGnssMetricsAsProtoString() {
1902 return mGnssMetrics.dumpGnssMetricsAsProtoString();
1908 * Initialize Batching if enabled
1910 private void enableBatching() {
1911 if (!native_init_batching()) {
1912 Log.e(TAG, "Failed to initialize GNSS batching");
1919 private void disableBatching() {
1920 native_stop_batch();
1921 native_cleanup_batching();
1925 * called from native code - GNSS location batch callback
1927 private void reportLocationBatch(Location[] locationArray) {
1928 List<Location> locations = new ArrayList<>(Arrays.asList(locationArray));
1929 if(DEBUG) { Log.d(TAG, "Location batch of size " + locationArray.length + "reported"); }
1931 mILocationManager.reportLocationBatch(locations);
1932 } catch (RemoteException e) {
1933 Log.e(TAG, "RemoteException calling reportLocationBatch");
1938 * called from native code to request XTRA data
1940 private void xtraDownloadRequest() {
1941 if (DEBUG) Log.d(TAG, "xtraDownloadRequest");
1942 sendMessage(DOWNLOAD_XTRA_DATA, 0, null);
1946 * Converts the GPS HAL status to the internal Geofence Hardware status.
1948 private int getGeofenceStatus(int status) {
1950 case GPS_GEOFENCE_OPERATION_SUCCESS:
1951 return GeofenceHardware.GEOFENCE_SUCCESS;
1952 case GPS_GEOFENCE_ERROR_GENERIC:
1953 return GeofenceHardware.GEOFENCE_FAILURE;
1954 case GPS_GEOFENCE_ERROR_ID_EXISTS:
1955 return GeofenceHardware.GEOFENCE_ERROR_ID_EXISTS;
1956 case GPS_GEOFENCE_ERROR_INVALID_TRANSITION:
1957 return GeofenceHardware.GEOFENCE_ERROR_INVALID_TRANSITION;
1958 case GPS_GEOFENCE_ERROR_TOO_MANY_GEOFENCES:
1959 return GeofenceHardware.GEOFENCE_ERROR_TOO_MANY_GEOFENCES;
1960 case GPS_GEOFENCE_ERROR_ID_UNKNOWN:
1961 return GeofenceHardware.GEOFENCE_ERROR_ID_UNKNOWN;
1968 * Called from native to report GPS Geofence transition
1969 * All geofence callbacks are called on the same thread
1971 private void reportGeofenceTransition(int geofenceId, Location location, int transition,
1972 long transitionTimestamp) {
1973 if (mGeofenceHardwareImpl == null) {
1974 mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext);
1977 mGeofenceHardwareImpl.reportGeofenceTransition(
1981 transitionTimestamp,
1982 GeofenceHardware.MONITORING_TYPE_GPS_HARDWARE,
1983 FusedBatchOptions.SourceTechnologies.GNSS);
1987 * called from native code to report GPS status change.
1989 private void reportGeofenceStatus(int status, Location location) {
1990 if (mGeofenceHardwareImpl == null) {
1991 mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext);
1993 int monitorStatus = GeofenceHardware.MONITOR_CURRENTLY_UNAVAILABLE;
1994 if(status == GPS_GEOFENCE_AVAILABLE) {
1995 monitorStatus = GeofenceHardware.MONITOR_CURRENTLY_AVAILABLE;
1997 mGeofenceHardwareImpl.reportGeofenceMonitorStatus(
1998 GeofenceHardware.MONITORING_TYPE_GPS_HARDWARE,
2001 FusedBatchOptions.SourceTechnologies.GNSS);
2005 * called from native code - Geofence Add callback
2007 private void reportGeofenceAddStatus(int geofenceId, int status) {
2008 if (mGeofenceHardwareImpl == null) {
2009 mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext);
2011 mGeofenceHardwareImpl.reportGeofenceAddStatus(geofenceId, getGeofenceStatus(status));
2015 * called from native code - Geofence Remove callback
2017 private void reportGeofenceRemoveStatus(int geofenceId, int status) {
2018 if (mGeofenceHardwareImpl == null) {
2019 mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext);
2021 mGeofenceHardwareImpl.reportGeofenceRemoveStatus(geofenceId, getGeofenceStatus(status));
2025 * called from native code - Geofence Pause callback
2027 private void reportGeofencePauseStatus(int geofenceId, int status) {
2028 if (mGeofenceHardwareImpl == null) {
2029 mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext);
2031 mGeofenceHardwareImpl.reportGeofencePauseStatus(geofenceId, getGeofenceStatus(status));
2035 * called from native code - Geofence Resume callback
2037 private void reportGeofenceResumeStatus(int geofenceId, int status) {
2038 if (mGeofenceHardwareImpl == null) {
2039 mGeofenceHardwareImpl = GeofenceHardwareImpl.getInstance(mContext);
2041 mGeofenceHardwareImpl.reportGeofenceResumeStatus(geofenceId, getGeofenceStatus(status));
2044 //=============================================================
2045 // NI Client support
2046 //=============================================================
2047 private final INetInitiatedListener mNetInitiatedListener = new INetInitiatedListener.Stub() {
2048 // Sends a response for an NI request to HAL.
2050 public boolean sendNiResponse(int notificationId, int userResponse)
2052 // TODO Add Permission check
2054 if (DEBUG) Log.d(TAG, "sendNiResponse, notifId: " + notificationId +
2055 ", response: " + userResponse);
2056 native_send_ni_response(notificationId, userResponse);
2061 public INetInitiatedListener getNetInitiatedListener() {
2062 return mNetInitiatedListener;
2065 // Called by JNI function to report an NI request.
2066 public void reportNiNotification(
2071 int defaultResponse,
2074 int requestorIdEncoding,
2078 Log.i(TAG, "reportNiNotification: entered");
2079 Log.i(TAG, "notificationId: " + notificationId +
2080 ", niType: " + niType +
2081 ", notifyFlags: " + notifyFlags +
2082 ", timeout: " + timeout +
2083 ", defaultResponse: " + defaultResponse);
2085 Log.i(TAG, "requestorId: " + requestorId +
2087 ", requestorIdEncoding: " + requestorIdEncoding +
2088 ", textEncoding: " + textEncoding);
2090 GpsNiNotification notification = new GpsNiNotification();
2092 notification.notificationId = notificationId;
2093 notification.niType = niType;
2094 notification.needNotify = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_NEED_NOTIFY) != 0;
2095 notification.needVerify = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_NEED_VERIFY) != 0;
2096 notification.privacyOverride = (notifyFlags & GpsNetInitiatedHandler.GPS_NI_PRIVACY_OVERRIDE) != 0;
2097 notification.timeout = timeout;
2098 notification.defaultResponse = defaultResponse;
2099 notification.requestorId = requestorId;
2100 notification.text = text;
2101 notification.requestorIdEncoding = requestorIdEncoding;
2102 notification.textEncoding = textEncoding;
2104 mNIHandler.handleNiNotification(notification);
2108 * Called from native code to request set id info.
2109 * We should be careful about receiving null string from the TelephonyManager,
2110 * because sending null String to JNI function would cause a crash.
2113 private void requestSetID(int flags) {
2114 TelephonyManager phone = (TelephonyManager)
2115 mContext.getSystemService(Context.TELEPHONY_SERVICE);
2116 int type = AGPS_SETID_TYPE_NONE;
2119 if ((flags & AGPS_RIL_REQUEST_SETID_IMSI) == AGPS_RIL_REQUEST_SETID_IMSI) {
2120 String data_temp = phone.getSubscriberId();
2121 if (data_temp == null) {
2122 // This means the framework does not have the SIM card ready.
2124 // This means the framework has the SIM card.
2126 type = AGPS_SETID_TYPE_IMSI;
2129 else if ((flags & AGPS_RIL_REQUEST_SETID_MSISDN) == AGPS_RIL_REQUEST_SETID_MSISDN) {
2130 String data_temp = phone.getLine1Number();
2131 if (data_temp == null) {
2132 // This means the framework does not have the SIM card ready.
2134 // This means the framework has the SIM card.
2136 type = AGPS_SETID_TYPE_MSISDN;
2139 native_agps_set_id(type, data);
2143 * Called from native code to request utc time info
2145 private void requestUtcTime() {
2146 if (DEBUG) Log.d(TAG, "utcTimeRequest");
2147 sendMessage(INJECT_NTP_TIME, 0, null);
2151 * Called from native code to request reference location info
2154 private void requestRefLocation() {
2155 TelephonyManager phone = (TelephonyManager)
2156 mContext.getSystemService(Context.TELEPHONY_SERVICE);
2157 final int phoneType = phone.getPhoneType();
2158 if (phoneType == TelephonyManager.PHONE_TYPE_GSM) {
2159 GsmCellLocation gsm_cell = (GsmCellLocation) phone.getCellLocation();
2160 if ((gsm_cell != null) && (phone.getNetworkOperator() != null)
2161 && (phone.getNetworkOperator().length() > 3)) {
2163 int mcc = Integer.parseInt(phone.getNetworkOperator().substring(0,3));
2164 int mnc = Integer.parseInt(phone.getNetworkOperator().substring(3));
2165 int networkType = phone.getNetworkType();
2166 if (networkType == TelephonyManager.NETWORK_TYPE_UMTS
2167 || networkType == TelephonyManager.NETWORK_TYPE_HSDPA
2168 || networkType == TelephonyManager.NETWORK_TYPE_HSUPA
2169 || networkType == TelephonyManager.NETWORK_TYPE_HSPA
2170 || networkType == TelephonyManager.NETWORK_TYPE_HSPAP) {
2171 type = AGPS_REF_LOCATION_TYPE_UMTS_CELLID;
2173 type = AGPS_REF_LOCATION_TYPE_GSM_CELLID;
2175 native_agps_set_ref_location_cellid(type, mcc, mnc,
2176 gsm_cell.getLac(), gsm_cell.getCid());
2178 Log.e(TAG,"Error getting cell location info.");
2180 } else if (phoneType == TelephonyManager.PHONE_TYPE_CDMA) {
2181 Log.e(TAG, "CDMA not supported.");
2185 private void sendMessage(int message, int arg, Object obj) {
2186 // hold a wake lock until this message is delivered
2187 // note that this assumes the message will not be removed from the queue before
2188 // it is handled (otherwise the wake lock would be leaked).
2189 mWakeLock.acquire();
2190 if (Log.isLoggable(TAG, Log.INFO)) {
2191 Log.i(TAG, "WakeLock acquired by sendMessage(" + messageIdAsString(message) + ", " + arg
2192 + ", " + obj + ")");
2194 mHandler.obtainMessage(message, arg, 1, obj).sendToTarget();
2197 private final class ProviderHandler extends Handler {
2198 public ProviderHandler(Looper looper) {
2199 super(looper, null, true /*async*/);
2203 public void handleMessage(Message msg) {
2204 int message = msg.what;
2207 if (msg.arg1 == 1) {
2214 GpsRequest gpsRequest = (GpsRequest) msg.obj;
2215 handleSetRequest(gpsRequest.request, gpsRequest.source);
2217 case UPDATE_NETWORK_STATE:
2218 handleUpdateNetworkState((Network) msg.obj);
2220 case REQUEST_SUPL_CONNECTION:
2221 handleRequestSuplConnection((InetAddress) msg.obj);
2223 case RELEASE_SUPL_CONNECTION:
2224 handleReleaseSuplConnection(msg.arg1);
2226 case INJECT_NTP_TIME:
2227 handleInjectNtpTime();
2229 case DOWNLOAD_XTRA_DATA:
2230 handleDownloadXtraData();
2232 case INJECT_NTP_TIME_FINISHED:
2233 mInjectNtpTimePending = STATE_IDLE;
2235 case DOWNLOAD_XTRA_DATA_FINISHED:
2236 mDownloadXtraDataPending = STATE_IDLE;
2238 case UPDATE_LOCATION:
2239 handleUpdateLocation((Location) msg.obj);
2241 case SUBSCRIPTION_OR_SIM_CHANGED:
2242 subscriptionOrSimChanged(mContext);
2244 case INITIALIZE_HANDLER:
2248 if (msg.arg2 == 1) {
2249 // wakelock was taken for this message, release it
2250 mWakeLock.release();
2251 if (Log.isLoggable(TAG, Log.INFO)) {
2252 Log.i(TAG, "WakeLock released by handleMessage(" + messageIdAsString(message)
2253 + ", " + msg.arg1 + ", " + msg.obj + ")");
2259 * This method is bound to {@link #GnssLocationProvider(Context, ILocationManager, Looper)}.
2260 * It is in charge of loading properties and registering for events that will be posted to
2263 private void handleInitialize() {
2264 // load default GPS configuration
2265 // (this configuration might change in the future based on SIM changes)
2266 reloadGpsProperties(mContext, mProperties);
2268 // TODO: When this object "finishes" we should unregister by invoking
2269 // SubscriptionManager.getInstance(mContext).unregister(mOnSubscriptionsChangedListener);
2270 // This is not strictly necessary because it will be unregistered if the
2271 // notification fails but it is good form.
2273 // Register for SubscriptionInfo list changes which is guaranteed
2274 // to invoke onSubscriptionsChanged the first time.
2275 SubscriptionManager.from(mContext)
2276 .addOnSubscriptionsChangedListener(mOnSubscriptionsChangedListener);
2278 // listen for events
2279 IntentFilter intentFilter;
2280 if (native_is_agps_ril_supported()) {
2281 intentFilter = new IntentFilter();
2282 intentFilter.addAction(Intents.DATA_SMS_RECEIVED_ACTION);
2283 intentFilter.addDataScheme("sms");
2284 intentFilter.addDataAuthority("localhost", "7275");
2285 mContext.registerReceiver(mBroadcastReceiver, intentFilter, null, this);
2287 intentFilter = new IntentFilter();
2288 intentFilter.addAction(Intents.WAP_PUSH_RECEIVED_ACTION);
2290 intentFilter.addDataType("application/vnd.omaloc-supl-init");
2291 } catch (IntentFilter.MalformedMimeTypeException e) {
2292 Log.w(TAG, "Malformed SUPL init mime type");
2294 mContext.registerReceiver(mBroadcastReceiver, intentFilter, null, this);
2296 Log.d(TAG, "Skipped registration for SMS/WAP-PUSH messages because AGPS Ril in GPS"
2297 + " HAL is not supported");
2300 intentFilter = new IntentFilter();
2301 intentFilter.addAction(ALARM_WAKEUP);
2302 intentFilter.addAction(ALARM_TIMEOUT);
2303 intentFilter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED);
2304 intentFilter.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED);
2305 intentFilter.addAction(Intent.ACTION_SCREEN_OFF);
2306 intentFilter.addAction(Intent.ACTION_SCREEN_ON);
2307 intentFilter.addAction(SIM_STATE_CHANGED);
2308 mContext.registerReceiver(mBroadcastReceiver, intentFilter, null, this);
2310 // register for connectivity change events, this is equivalent to the deprecated way of
2311 // registering for CONNECTIVITY_ACTION broadcasts
2312 NetworkRequest.Builder networkRequestBuilder = new NetworkRequest.Builder();
2313 networkRequestBuilder.addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR);
2314 networkRequestBuilder.addTransportType(NetworkCapabilities.TRANSPORT_WIFI);
2315 // On watches, Bluetooth is the most important network type.
2317 mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WATCH);
2319 networkRequestBuilder.addTransportType(NetworkCapabilities.TRANSPORT_BLUETOOTH);
2321 NetworkRequest networkRequest = networkRequestBuilder.build();
2322 mConnMgr.registerNetworkCallback(networkRequest, mNetworkConnectivityCallback);
2324 // listen for PASSIVE_PROVIDER updates
2325 LocationManager locManager =
2326 (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE);
2328 float minDistance = 0;
2329 boolean oneShot = false;
2330 LocationRequest request = LocationRequest.createFromDeprecatedProvider(
2331 LocationManager.PASSIVE_PROVIDER,
2335 // Don't keep track of this request since it's done on behalf of other clients
2336 // (which are kept track of separately).
2337 request.setHideFromAppOps(true);
2338 locManager.requestLocationUpdates(
2340 new NetworkLocationListener(),
2345 private final class NetworkLocationListener implements LocationListener {
2347 public void onLocationChanged(Location location) {
2348 // this callback happens on mHandler looper
2349 if (LocationManager.NETWORK_PROVIDER.equals(location.getProvider())) {
2350 handleUpdateLocation(location);
2354 public void onStatusChanged(String provider, int status, Bundle extras) { }
2356 public void onProviderEnabled(String provider) { }
2358 public void onProviderDisabled(String provider) { }
2361 private String getSelectedApn() {
2362 Uri uri = Uri.parse("content://telephony/carriers/preferapn");
2363 Cursor cursor = null;
2365 cursor = mContext.getContentResolver().query(
2367 new String[] { "apn" },
2368 null /* selection */,
2369 null /* selectionArgs */,
2370 Carriers.DEFAULT_SORT_ORDER);
2371 if (cursor != null && cursor.moveToFirst()) {
2372 return cursor.getString(0);
2374 Log.e(TAG, "No APN found to select.");
2376 } catch (Exception e) {
2377 Log.e(TAG, "Error encountered on selecting the APN.", e);
2379 if (cursor != null) {
2387 private int getApnIpType(String apn) {
2388 ensureInHandlerThread();
2393 String selection = String.format("current = 1 and apn = '%s' and carrier_enabled = 1", apn);
2394 Cursor cursor = null;
2396 cursor = mContext.getContentResolver().query(
2397 Carriers.CONTENT_URI,
2398 new String[] { Carriers.PROTOCOL },
2401 Carriers.DEFAULT_SORT_ORDER);
2403 if (null != cursor && cursor.moveToFirst()) {
2404 return translateToApnIpType(cursor.getString(0), apn);
2406 Log.e(TAG, "No entry found in query for APN: " + apn);
2408 } catch (Exception e) {
2409 Log.e(TAG, "Error encountered on APN query for: " + apn, e);
2411 if (cursor != null) {
2419 private int translateToApnIpType(String ipProtocol, String apn) {
2420 if ("IP".equals(ipProtocol)) {
2423 if ("IPV6".equals(ipProtocol)) {
2426 if ("IPV4V6".equals(ipProtocol)) {
2430 // we hit the default case so the ipProtocol is not recognized
2431 String message = String.format("Unknown IP Protocol: %s, for APN: %s", ipProtocol, apn);
2432 Log.e(TAG, message);
2436 private void setRouting() {
2437 if (mAGpsDataConnectionIpAddr == null) {
2441 // TODO: replace the use of this deprecated API
2442 boolean result = mConnMgr.requestRouteToHostAddress(
2443 ConnectivityManager.TYPE_MOBILE_SUPL,
2444 mAGpsDataConnectionIpAddr);
2447 Log.e(TAG, "Error requesting route to host: " + mAGpsDataConnectionIpAddr);
2449 Log.d(TAG, "Successfully requested route to host: " + mAGpsDataConnectionIpAddr);
2454 * @return {@code true} if there is a data network available for outgoing connections,
2455 * {@code false} otherwise.
2457 private boolean isDataNetworkConnected() {
2458 NetworkInfo activeNetworkInfo = mConnMgr.getActiveNetworkInfo();
2459 return activeNetworkInfo != null && activeNetworkInfo.isConnected();
2463 * Ensures the calling function is running in the thread associated with {@link #mHandler}.
2465 private void ensureInHandlerThread() {
2466 if (mHandler != null && Looper.myLooper() == mHandler.getLooper()) {
2469 throw new RuntimeException("This method must run on the Handler thread.");
2473 * @return A string representing the current state stored in {@link #mAGpsDataConnectionState}.
2475 private String agpsDataConnStateAsString() {
2476 switch(mAGpsDataConnectionState) {
2477 case AGPS_DATA_CONNECTION_CLOSED:
2479 case AGPS_DATA_CONNECTION_OPEN:
2481 case AGPS_DATA_CONNECTION_OPENING:
2489 * @return A string representing the given GPS_AGPS_DATA status.
2491 private String agpsDataConnStatusAsString(int agpsDataConnStatus) {
2492 switch (agpsDataConnStatus) {
2493 case GPS_AGPS_DATA_CONNECTED:
2495 case GPS_AGPS_DATA_CONN_DONE:
2497 case GPS_AGPS_DATA_CONN_FAILED:
2499 case GPS_RELEASE_AGPS_DATA_CONN:
2501 case GPS_REQUEST_AGPS_DATA_CONN:
2509 * @return A string representing the given message ID.
2511 private String messageIdAsString(int message) {
2516 return "SET_REQUEST";
2517 case UPDATE_NETWORK_STATE:
2518 return "UPDATE_NETWORK_STATE";
2519 case REQUEST_SUPL_CONNECTION:
2520 return "REQUEST_SUPL_CONNECTION";
2521 case RELEASE_SUPL_CONNECTION:
2522 return "RELEASE_SUPL_CONNECTION";
2523 case INJECT_NTP_TIME:
2524 return "INJECT_NTP_TIME";
2525 case DOWNLOAD_XTRA_DATA:
2526 return "DOWNLOAD_XTRA_DATA";
2527 case INJECT_NTP_TIME_FINISHED:
2528 return "INJECT_NTP_TIME_FINISHED";
2529 case DOWNLOAD_XTRA_DATA_FINISHED:
2530 return "DOWNLOAD_XTRA_DATA_FINISHED";
2531 case UPDATE_LOCATION:
2532 return "UPDATE_LOCATION";
2533 case SUBSCRIPTION_OR_SIM_CHANGED:
2534 return "SUBSCRIPTION_OR_SIM_CHANGED";
2535 case INITIALIZE_HANDLER:
2536 return "INITIALIZE_HANDLER";
2545 public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
2546 StringBuilder s = new StringBuilder();
2547 s.append(" mStarted=").append(mStarted).append('\n');
2548 s.append(" mFixInterval=").append(mFixInterval).append('\n');
2549 s.append(" mDisableGps (battery saver mode)=").append(mDisableGps).append('\n');
2550 s.append(" mEngineCapabilities=0x").append(Integer.toHexString(mEngineCapabilities));
2552 if (hasCapability(GPS_CAPABILITY_SCHEDULING)) s.append("SCHEDULING ");
2553 if (hasCapability(GPS_CAPABILITY_MSB)) s.append("MSB ");
2554 if (hasCapability(GPS_CAPABILITY_MSA)) s.append("MSA ");
2555 if (hasCapability(GPS_CAPABILITY_SINGLE_SHOT)) s.append("SINGLE_SHOT ");
2556 if (hasCapability(GPS_CAPABILITY_ON_DEMAND_TIME)) s.append("ON_DEMAND_TIME ");
2557 if (hasCapability(GPS_CAPABILITY_GEOFENCING)) s.append("GEOFENCING ");
2558 if (hasCapability(GPS_CAPABILITY_MEASUREMENTS)) s.append("MEASUREMENTS ");
2559 if (hasCapability(GPS_CAPABILITY_NAV_MESSAGES)) s.append("NAV_MESSAGES ");
2561 s.append(mGnssMetrics.dumpGnssMetricsAsText());
2562 s.append(" native internal state: ").append(native_get_internal_state());
2568 * A simple implementation of exponential backoff.
2570 private static final class BackOff {
2571 private static final int MULTIPLIER = 2;
2572 private final long mInitIntervalMillis;
2573 private final long mMaxIntervalMillis;
2574 private long mCurrentIntervalMillis;
2576 public BackOff(long initIntervalMillis, long maxIntervalMillis) {
2577 mInitIntervalMillis = initIntervalMillis;
2578 mMaxIntervalMillis = maxIntervalMillis;
2580 mCurrentIntervalMillis = mInitIntervalMillis / MULTIPLIER;
2583 public long nextBackoffMillis() {
2584 if (mCurrentIntervalMillis > mMaxIntervalMillis) {
2585 return mMaxIntervalMillis;
2588 mCurrentIntervalMillis *= MULTIPLIER;
2589 return mCurrentIntervalMillis;
2592 public void reset() {
2593 mCurrentIntervalMillis = mInitIntervalMillis / MULTIPLIER;
2597 // for GPS SV statistics
2598 private static final int MAX_SVS = 64;
2600 // preallocated arrays, to avoid memory allocation in reportStatus()
2601 private int mSvidWithFlags[] = new int[MAX_SVS];
2602 private float mCn0s[] = new float[MAX_SVS];
2603 private float mSvElevations[] = new float[MAX_SVS];
2604 private float mSvAzimuths[] = new float[MAX_SVS];
2605 private float mSvCarrierFreqs[] = new float[MAX_SVS];
2606 private int mSvCount;
2607 private int mMeanCn0;
2608 private int mMaxCn0;
2609 // preallocated to avoid memory allocation in reportNmea()
2610 private byte[] mNmeaBuffer = new byte[120];
2612 static { class_init_native(); }
2613 private static native void class_init_native();
2614 private static native boolean native_is_supported();
2615 private static native boolean native_is_agps_ril_supported();
2616 private static native boolean native_is_gnss_configuration_supported();
2618 private native boolean native_init();
2619 private native void native_cleanup();
2620 private native boolean native_set_position_mode(int mode, int recurrence, int min_interval,
2621 int preferred_accuracy, int preferred_time);
2622 private native boolean native_start();
2623 private native boolean native_stop();
2624 private native void native_delete_aiding_data(int flags);
2625 // returns number of SVs
2626 // mask[0] is ephemeris mask and mask[1] is almanac mask
2627 private native int native_read_sv_status(int[] prnWithFlags, float[] cn0s, float[] elevations,
2628 float[] azimuths, float[] carrierFrequencies);
2629 private native int native_read_nmea(byte[] buffer, int bufferSize);
2630 private native void native_inject_location(double latitude, double longitude, float accuracy);
2633 private native void native_inject_time(long time, long timeReference, int uncertainty);
2634 private native boolean native_supports_xtra();
2635 private native void native_inject_xtra_data(byte[] data, int length);
2638 private native String native_get_internal_state();
2641 private native void native_agps_data_conn_open(String apn, int apnIpType);
2642 private native void native_agps_data_conn_closed();
2643 private native void native_agps_data_conn_failed();
2644 private native void native_agps_ni_message(byte [] msg, int length);
2645 private native void native_set_agps_server(int type, String hostname, int port);
2647 // Network-initiated (NI) Support
2648 private native void native_send_ni_response(int notificationId, int userResponse);
2651 private native void native_agps_set_ref_location_cellid(int type, int mcc, int mnc,
2653 private native void native_agps_set_id(int type, String setid);
2655 private native void native_update_network_state(boolean connected, int type,
2656 boolean roaming, boolean available, String extraInfo, String defaultAPN);
2658 // Hardware Geofence support.
2659 private static native boolean native_is_geofence_supported();
2660 private static native boolean native_add_geofence(int geofenceId, double latitude,
2661 double longitude, double radius, int lastTransition,int monitorTransitions,
2662 int notificationResponsivenes, int unknownTimer);
2663 private static native boolean native_remove_geofence(int geofenceId);
2664 private static native boolean native_resume_geofence(int geofenceId, int transitions);
2665 private static native boolean native_pause_geofence(int geofenceId);
2667 // Gps Hal measurements support.
2668 private static native boolean native_is_measurement_supported();
2669 private native boolean native_start_measurement_collection();
2670 private native boolean native_stop_measurement_collection();
2672 // Gps Navigation message support.
2673 private static native boolean native_is_navigation_message_supported();
2674 private native boolean native_start_navigation_message_collection();
2675 private native boolean native_stop_navigation_message_collection();
2677 // GNSS Configuration
2678 private static native boolean native_set_supl_version(int version);
2679 private static native boolean native_set_supl_mode(int mode);
2680 private static native boolean native_set_supl_es(int es);
2681 private static native boolean native_set_lpp_profile(int lppProfile);
2682 private static native boolean native_set_gnss_pos_protocol_select(int gnssPosProtocolSelect);
2683 private static native boolean native_set_gps_lock(int gpsLock);
2684 private static native boolean native_set_emergency_supl_pdn(int emergencySuplPdn);
2687 private static native int native_get_batch_size();
2688 private static native boolean native_start_batch(long periodNanos, boolean wakeOnFifoFull);
2689 private static native void native_flush_batch();
2690 private static native boolean native_stop_batch();
2691 private static native boolean native_init_batching();
2692 private static native void native_cleanup_batching();