Merge "rename vendor proprietary name XTRA to PSDS" into qt-dev (79b56f76) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/location/GnssLocationProvider.java

+62 −61

Original line number	Diff line number	Diff line
		@@ -180,9 +180,10 @@ public class GnssLocationProvider extends AbstractLocationProvider implements

		private static final int SET_REQUEST = 3;
		private static final int INJECT_NTP_TIME = 5;
		private static final int DOWNLOAD_XTRA_DATA = 6;
		// PSDS stands for Predicted Satellite Data Service
		private static final int DOWNLOAD_PSDS_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 DOWNLOAD_PSDS_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;
		@@ -295,19 +296,19 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		// 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
		// how long to wait if we have a network error in NTP or PSDS 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
		// how long to wait if we have a network error in NTP or PSDS 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;
		// Timeout when holding wakelocks for downloading PSDS data.
		private static final long DOWNLOAD_PSDS_DATA_TIMEOUT_MS = 60 * 1000;

		private final ExponentialBackOff mXtraBackOff = new ExponentialBackOff(RETRY_INTERVAL,
		private final ExponentialBackOff mPsdsBackOff = new ExponentialBackOff(RETRY_INTERVAL,
		MAX_RETRY_INTERVAL);

		// true if we are enabled, protected by this
		@@ -315,14 +316,14 @@ public class GnssLocationProvider extends AbstractLocationProvider implements

		private boolean mShutdown;

		// states for injecting ntp and downloading xtra data
		// states for injecting ntp and downloading psds 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;
		// flags to trigger NTP or PSDS data download when network becomes available
		// initialized to true so we do NTP and PSDS when the network comes up after booting
		private int mDownloadPsdsDataPending = STATE_PENDING_NETWORK;

		// true if GPS is navigating
		private boolean mNavigating;
		@@ -346,8 +347,8 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		// capabilities reported through the top level IGnssCallback.hal
		private volatile int mTopHalCapabilities;

		// true if XTRA is supported
		private boolean mSupportsXtra;
		// true if PSDS is supported
		private boolean mSupportsPsds;

		// for calculating time to first fix
		private long mFixRequestTime = 0;
		@@ -404,8 +405,8 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		// 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;
		private static final String DOWNLOAD_EXTRA_WAKELOCK_KEY = "GnssLocationProviderPsdsDownload";
		private final PowerManager.WakeLock mDownloadPsdsWakeLock;

		// Alarms
		private final static String ALARM_WAKEUP = "com.android.internal.location.ALARM_WAKEUP";
		@@ -592,10 +593,10 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		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(
		// Create a separate wake lock for psds downloader as it may be released due to timeout.
		mDownloadPsdsWakeLock = mPowerManager.newWakeLock(
		PowerManager.PARTIAL_WAKE_LOCK, DOWNLOAD_EXTRA_WAKELOCK_KEY);
		mDownloadXtraWakeLock.setReferenceCounted(true);
		mDownloadPsdsWakeLock.setReferenceCounted(true);

		mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);
		mWakeupIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(ALARM_WAKEUP), 0);
		@@ -701,10 +702,10 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		*/
		private void onNetworkAvailable() {
		mNtpTimeHelper.onNetworkAvailable();
		if (mDownloadXtraDataPending == STATE_PENDING_NETWORK) {
		if (mSupportsXtra) {
		if (mDownloadPsdsDataPending == STATE_PENDING_NETWORK) {
		if (mSupportsPsds) {
		// Download only if supported, (prevents an unnecessary on-boot download)
		xtraDownloadRequest();
		psdsDownloadRequest();
		}
		}
		}
		@@ -811,61 +812,61 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		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");
		private void handleDownloadPsdsData() {
		if (!mSupportsPsds) {
		// native code reports psds not supported, don't try
		Log.d(TAG, "handleDownloadPsdsData() called when PSDS not supported");
		return;
		}
		if (mDownloadXtraDataPending == STATE_DOWNLOADING) {
		if (mDownloadPsdsDataPending == STATE_DOWNLOADING) {
		// already downloading data
		return;
		}
		if (!mNetworkConnectivityHandler.isDataNetworkConnected()) {
		// try again when network is up
		mDownloadXtraDataPending = STATE_PENDING_NETWORK;
		mDownloadPsdsDataPending = STATE_PENDING_NETWORK;
		return;
		}
		mDownloadXtraDataPending = STATE_DOWNLOADING;
		mDownloadPsdsDataPending = STATE_DOWNLOADING;

		// hold wake lock while task runs
		mDownloadXtraWakeLock.acquire(DOWNLOAD_XTRA_DATA_TIMEOUT_MS);
		Log.i(TAG, "WakeLock acquired by handleDownloadXtraData()");
		mDownloadPsdsWakeLock.acquire(DOWNLOAD_PSDS_DATA_TIMEOUT_MS);
		Log.i(TAG, "WakeLock acquired by handleDownloadPsdsData()");
		AsyncTask.THREAD_POOL_EXECUTOR.execute(() -> {
		GpsXtraDownloader xtraDownloader = new GpsXtraDownloader(
		GpsPsdsDownloader psdsDownloader = new GpsPsdsDownloader(
		mGnssConfiguration.getProperties());
		byte[] data = xtraDownloader.downloadXtraData();
		byte[] data = psdsDownloader.downloadPsdsData();
		if (data != null) {
		if (DEBUG) Log.d(TAG, "calling native_inject_xtra_data");
		native_inject_xtra_data(data, data.length);
		mXtraBackOff.reset();
		if (DEBUG) Log.d(TAG, "calling native_inject_psds_data");
		native_inject_psds_data(data, data.length);
		mPsdsBackOff.reset();
		}

		sendMessage(DOWNLOAD_XTRA_DATA_FINISHED, 0, null);
		sendMessage(DOWNLOAD_PSDS_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());
		mHandler.sendEmptyMessageDelayed(DOWNLOAD_PSDS_DATA,
		mPsdsBackOff.nextBackoffMillis());
		}

		// Release wake lock held by task, synchronize on mLock in case multiple
		// download tasks overrun.
		synchronized (mLock) {
		if (mDownloadXtraWakeLock.isHeld()) {
		if (mDownloadPsdsWakeLock.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()");
		mDownloadPsdsWakeLock.release();
		if (DEBUG) Log.d(TAG, "WakeLock released by handleDownloadPsdsData()");
		} catch (Exception e) {
		Log.i(TAG, "Wakelock timeout & release race exception in "
		+ "handleDownloadXtraData()", e);
		+ "handleDownloadPsdsData()", e);
		}
		} else {
		Log.e(TAG, "WakeLock expired before release in "
		+ "handleDownloadXtraData()");
		+ "handleDownloadPsdsData()");
		}
		}
		});
		@@ -920,7 +921,7 @@ public class GnssLocationProvider extends AbstractLocationProvider implements

		if (inited) {
		mEnabled = true;
		mSupportsXtra = native_supports_xtra();
		mSupportsPsds = native_supports_psds();

		// TODO: remove the following native calls if we can make sure they are redundant.
		if (mSuplServerHost != null) {
		@@ -1162,9 +1163,9 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		deleteAidingData(extras);
		} else if ("force_time_injection".equals(command)) {
		requestUtcTime();
		} else if ("force_xtra_injection".equals(command)) {
		if (mSupportsXtra) {
		xtraDownloadRequest();
		} else if ("force_psds_injection".equals(command)) {
		if (mSupportsPsds) {
		psdsDownloadRequest();
		}
		} else {
		Log.w(TAG, "sendExtraCommand: unknown command " + command);
		@@ -1677,9 +1678,9 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		}

		@NativeEntryPoint
		private void xtraDownloadRequest() {
		if (DEBUG) Log.d(TAG, "xtraDownloadRequest");
		sendMessage(DOWNLOAD_XTRA_DATA, 0, null);
		private void psdsDownloadRequest() {
		if (DEBUG) Log.d(TAG, "psdsDownloadRequest");
		sendMessage(DOWNLOAD_PSDS_DATA, 0, null);
		}

		/**
		@@ -2012,11 +2013,11 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		case REQUEST_LOCATION:
		handleRequestLocation(msg.arg1 == 1, (boolean) msg.obj);
		break;
		case DOWNLOAD_XTRA_DATA:
		handleDownloadXtraData();
		case DOWNLOAD_PSDS_DATA:
		handleDownloadPsdsData();
		break;
		case DOWNLOAD_XTRA_DATA_FINISHED:
		mDownloadXtraDataPending = STATE_IDLE;
		case DOWNLOAD_PSDS_DATA_FINISHED:
		mDownloadPsdsDataPending = STATE_IDLE;
		break;
		case UPDATE_LOCATION:
		handleUpdateLocation((Location) msg.obj);
		@@ -2166,10 +2167,10 @@ public class GnssLocationProvider extends AbstractLocationProvider implements
		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 DOWNLOAD_PSDS_DATA:
		return "DOWNLOAD_PSDS_DATA";
		case DOWNLOAD_PSDS_DATA_FINISHED:
		return "DOWNLOAD_PSDS_DATA_FINISHED";
		case UPDATE_LOCATION:
		return "UPDATE_LOCATION";
		case SUBSCRIPTION_OR_CARRIER_CONFIG_CHANGED:
		@@ -2266,12 +2267,12 @@ public class GnssLocationProvider extends AbstractLocationProvider implements

		private native void native_inject_location(double latitude, double longitude, float accuracy);

		// XTRA Support
		// PSDS Support
		private native void native_inject_time(long time, long timeReference, int uncertainty);

		private native boolean native_supports_xtra();
		private native boolean native_supports_psds();

		private native void native_inject_xtra_data(byte[] data, int length);
		private native void native_inject_psds_data(byte[] data, int length);

		// DEBUG Support
		private native String native_get_internal_state();

services/core/java/com/android/server/location/GpsXtraDownloader.java→services/core/java/com/android/server/location/GpsPsdsDownloader.java

+20 −20

Original line number	Diff line number	Diff line
		@@ -32,26 +32,26 @@ import java.util.Random;
		import java.util.concurrent.TimeUnit;

		/**
		* A class for downloading GPS XTRA data.
		* A class for downloading GPS PSDS data.
		*
		* {@hide}
		*/
		public class GpsXtraDownloader {
		public class GpsPsdsDownloader {

		private static final String TAG = "GpsXtraDownloader";
		private static final String TAG = "GpsPsdsDownloader";
		private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
		private static final long MAXIMUM_CONTENT_LENGTH_BYTES = 1000000; // 1MB.
		private static final String DEFAULT_USER_AGENT = "Android";
		private static final int CONNECTION_TIMEOUT_MS = (int) TimeUnit.SECONDS.toMillis(30);
		private static final int READ_TIMEOUT_MS = (int) TimeUnit.SECONDS.toMillis(60);

		private final String[] mXtraServers;
		private final String[] mPsdsServers;
		// to load balance our server requests
		private int mNextServerIndex;
		private final String mUserAgent;

		GpsXtraDownloader(Properties properties) {
		// read XTRA servers from the Properties object
		GpsPsdsDownloader(Properties properties) {
		// read PSDS servers from the Properties object
		int count = 0;
		String server1 = properties.getProperty("XTRA_SERVER_1");
		String server2 = properties.getProperty("XTRA_SERVER_2");
		@@ -69,14 +69,14 @@ public class GpsXtraDownloader {
		}

		if (count == 0) {
		Log.e(TAG, "No XTRA servers were specified in the GPS configuration");
		mXtraServers = null;
		Log.e(TAG, "No PSDS servers were specified in the GPS configuration");
		mPsdsServers = null;
		} else {
		mXtraServers = new String[count];
		mPsdsServers = new String[count];
		count = 0;
		if (server1 != null) mXtraServers[count++] = server1;
		if (server2 != null) mXtraServers[count++] = server2;
		if (server3 != null) mXtraServers[count++] = server3;
		if (server1 != null) mPsdsServers[count++] = server1;
		if (server2 != null) mPsdsServers[count++] = server2;
		if (server3 != null) mPsdsServers[count++] = server3;

		// randomize first server
		Random random = new Random();
		@@ -84,11 +84,11 @@ public class GpsXtraDownloader {
		}
		}

		byte[] downloadXtraData() {
		byte[] downloadPsdsData() {
		byte[] result = null;
		int startIndex = mNextServerIndex;

		if (mXtraServers == null) {
		if (mPsdsServers == null) {
		return null;
		}

		@@ -97,14 +97,14 @@ public class GpsXtraDownloader {
		final int oldTag = TrafficStats.getAndSetThreadStatsTag(
		TrafficStatsConstants.TAG_SYSTEM_GPS);
		try {
		result = doDownload(mXtraServers[mNextServerIndex]);
		result = doDownload(mPsdsServers[mNextServerIndex]);
		} finally {
		TrafficStats.setThreadStatsTag(oldTag);
		}

		// increment mNextServerIndex and wrap around if necessary
		mNextServerIndex++;
		if (mNextServerIndex == mXtraServers.length) {
		if (mNextServerIndex == mPsdsServers.length) {
		mNextServerIndex = 0;
		}
		// break if we have tried all the servers
		@@ -115,7 +115,7 @@ public class GpsXtraDownloader {
		}

		protected byte[] doDownload(String url) {
		if (DEBUG) Log.d(TAG, "Downloading XTRA data from " + url);
		if (DEBUG) Log.d(TAG, "Downloading PSDS data from " + url);

		HttpURLConnection connection = null;
		try {
		@@ -132,7 +132,7 @@ public class GpsXtraDownloader {
		connection.connect();
		int statusCode = connection.getResponseCode();
		if (statusCode != HttpURLConnection.HTTP_OK) {
		if (DEBUG) Log.d(TAG, "HTTP error downloading gps XTRA: " + statusCode);
		if (DEBUG) Log.d(TAG, "HTTP error downloading gps PSDS: " + statusCode);
		return null;
		}

		@@ -143,14 +143,14 @@ public class GpsXtraDownloader {
		while ((count = in.read(buffer)) != -1) {
		bytes.write(buffer, 0, count);
		if (bytes.size() > MAXIMUM_CONTENT_LENGTH_BYTES) {
		if (DEBUG) Log.d(TAG, "XTRA file too large");
		if (DEBUG) Log.d(TAG, "PSDS file too large");
		return null;
		}
		}
		return bytes.toByteArray();
		}
		} catch (IOException ioe) {
		if (DEBUG) Log.d(TAG, "Error downloading gps XTRA: ", ioe);
		if (DEBUG) Log.d(TAG, "Error downloading gps PSDS: ", ioe);
		} finally {
		if (connection != null) {
		connection.disconnect();

services/core/jni/com_android_server_location_GnssLocationProvider.cpp

+9 −9

Original line number	Diff line number	Diff line
		@@ -62,7 +62,7 @@ static jmethodID method_reportNmea;
		static jmethodID method_setTopHalCapabilities;
		static jmethodID method_setGnssYearOfHardware;
		static jmethodID method_setGnssHardwareModelName;
		static jmethodID method_xtraDownloadRequest;
		static jmethodID method_psdsDownloadRequest;
		static jmethodID method_reportNiNotification;
		static jmethodID method_requestLocation;
		static jmethodID method_requestRefLocation;
		@@ -802,7 +802,7 @@ class GnssXtraCallback : public IGnssXtraCallback {
		*/
		Return<void> GnssXtraCallback::downloadRequestCb() {
		JNIEnv* env = getJniEnv();
		env->CallVoidMethod(mCallbacksObj, method_xtraDownloadRequest);
		env->CallVoidMethod(mCallbacksObj, method_psdsDownloadRequest);
		checkAndClearExceptionFromCallback(env, __FUNCTION__);
		return Void();
		}
		@@ -1525,7 +1525,7 @@ static void android_location_GnssLocationProvider_init_once(JNIEnv* env, jclass
		method_setGnssYearOfHardware = env->GetMethodID(clazz, "setGnssYearOfHardware", "(I)V");
		method_setGnssHardwareModelName = env->GetMethodID(clazz, "setGnssHardwareModelName",
		"(Ljava/lang/String;)V");
		method_xtraDownloadRequest = env->GetMethodID(clazz, "xtraDownloadRequest", "()V");
		method_psdsDownloadRequest = env->GetMethodID(clazz, "psdsDownloadRequest", "()V");
		method_reportNiNotification = env->GetMethodID(clazz, "reportNiNotification",
		"(IIIIILjava/lang/String;Ljava/lang/String;II)V");
		method_requestLocation = env->GetMethodID(clazz, "requestLocation", "(ZZ)V");
		@@ -2190,12 +2190,12 @@ static void android_location_GnssLocationProvider_inject_location(JNIEnv* /* env
		}
		}

		static jboolean android_location_GnssLocationProvider_supports_xtra(
		static jboolean android_location_GnssLocationProvider_supports_psds(
		JNIEnv* /* env /, jobject / obj */) {
		return (gnssXtraIface != nullptr) ? JNI_TRUE : JNI_FALSE;
		}

		static void android_location_GnssLocationProvider_inject_xtra_data(JNIEnv* env, jobject /* obj */,
		static void android_location_GnssLocationProvider_inject_psds_data(JNIEnv* env, jobject /* obj */,
		jbyteArray data, jint length) {
		if (gnssXtraIface == nullptr) {
		ALOGE("XTRA Interface not supported");
		@@ -3047,10 +3047,10 @@ static const JNINativeMethod sMethods[] = {
		android_location_GnssLocationProvider_inject_best_location)},
		{"native_inject_location", "(DDF)V", reinterpret_cast<void *>(
		android_location_GnssLocationProvider_inject_location)},
		{"native_supports_xtra", "()Z", reinterpret_cast<void *>(
		android_location_GnssLocationProvider_supports_xtra)},
		{"native_inject_xtra_data", "([BI)V", reinterpret_cast<void *>(
		android_location_GnssLocationProvider_inject_xtra_data)},
		{"native_supports_psds", "()Z", reinterpret_cast<void *>(
		android_location_GnssLocationProvider_supports_psds)},
		{"native_inject_psds_data", "([BI)V", reinterpret_cast<void *>(
		android_location_GnssLocationProvider_inject_psds_data)},
		{"native_agps_set_id", "(ILjava/lang/String;)V", reinterpret_cast<void *>(
		android_location_GnssLocationProvider_agps_set_id)},
		{"native_agps_set_ref_location_cellid", "(IIIII)V", reinterpret_cast<void *>(