Create SatelliteServiceController and SateliteServiceConnection (c5daef5b) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/CommandsInterface.java

+1 −1

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		@@ -3171,7 +3171,7 @@ public interface CommandsInterface {
		default void isSatelliteCommunicationAllowedForCurrentLocation(Message result) {}

		/**
		* Get the time after which the satellite will next be visible.
		* Get the time after which the satellite will be visible.
		*
		* @param result Message that will be sent back to the requester.
		*/

src/java/com/android/internal/telephony/Phone.java

+1 −1

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		@@ -5499,7 +5499,7 @@ public abstract class Phone extends Handler implements PhoneInternalInterface {
		}

		/**
		* Get the time after which the satellite will next be visible.
		* Get the time after which the satellite will be visible.
		* @param result The Message to send the result of the operation to.
		*/
		public void requestTimeForNextSatelliteVisibility(Message result) {

src/java/com/android/internal/telephony/SatelliteIndication.java

+2 −4

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		@@ -28,7 +28,6 @@ import static com.android.internal.telephony.RILConstants.RIL_UNSOL_SATELLITE_RA

		import android.hardware.radio.satellite.IRadioSatelliteIndication;
		import android.os.AsyncResult;
		import android.telephony.satellite.stub.SatelliteImplBase;

		/**
		* Interface declaring unsolicited radio indications for Satellite APIs.
		@@ -129,7 +128,7 @@ public class SatelliteIndication extends IRadioSatelliteIndication.Stub {
		* @param indicationType Type of radio indication
		* @param mode The current mode of the satellite modem.
		*/
		public void onSatelliteModeChanged(int indicationType, @SatelliteImplBase.Mode int mode) {
		public void onSatelliteModeChanged(int indicationType, int mode) {
		mRil.processIndication(HAL_SERVICE_SATELLITE, indicationType);

		if (mRil.isLogOrTrace()) mRil.unsljLog(RIL_UNSOL_SATELLITE_MODE_CHANGED);
		@@ -146,8 +145,7 @@ public class SatelliteIndication extends IRadioSatelliteIndication.Stub {
		* @param indicationType Type of radio indication
		* @param technology The current technology of the satellite modem.
		*/
		public void onSatelliteRadioTechnologyChanged(int indicationType,
		@SatelliteImplBase.NTRadioTechnology int technology) {
		public void onSatelliteRadioTechnologyChanged(int indicationType, int technology) {
		mRil.processIndication(HAL_SERVICE_SATELLITE, indicationType);

		if (mRil.isLogOrTrace()) mRil.unsljLog(RIL_UNSOL_SATELLITE_RADIO_TECHNOLOGY_CHANGED);

src/java/com/android/internal/telephony/SatelliteResponse.java

+1 −4

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		@@ -22,7 +22,6 @@ import android.hardware.radio.RadioError;
		import android.hardware.radio.RadioResponseInfo;
		import android.hardware.radio.satellite.IRadioSatelliteResponse;
		import android.telephony.satellite.SatelliteCapabilities;
		import android.telephony.satellite.stub.SatelliteImplBase;

		/**
		* Interface declaring response functions to solicited radio requests for Satellite APIs.
		@@ -145,9 +144,7 @@ public class SatelliteResponse extends IRadioSatelliteResponse.Stub {
		* @param mode Current Mode of the satellite modem.
		* @param technology The current technology of the satellite modem.
		*/
		public void getSatelliteModeResponse(
		RadioResponseInfo responseInfo, @SatelliteImplBase.Mode int mode,
		@SatelliteImplBase.NTRadioTechnology int technology) {
		public void getSatelliteModeResponse(RadioResponseInfo responseInfo, int mode, int technology) {
		RILRequest rr = mRil.processResponse(HAL_SERVICE_SATELLITE, responseInfo);

		if (rr != null) {

src/java/com/android/internal/telephony/satellite/SatelliteServiceController.java

0 → 100644

+185 −0

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		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.internal.telephony.satellite;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.ServiceConnection;
		import android.os.IBinder;
		import android.os.Looper;
		import android.telephony.Rlog;
		import android.telephony.satellite.stub.ISatellite;
		import android.telephony.satellite.stub.SatelliteService;
		import android.text.TextUtils;

		import com.android.internal.telephony.ExponentialBackoff;

		/**
		* Satellite service controller to manage connections with the satellite service.
		*/
		public class SatelliteServiceController {
		private static final String TAG = "SatelliteServiceController";
		private static final long REBIND_INITIAL_DELAY = 2 * 1000; // 2 seconds
		private static final long REBIND_MAXIMUM_DELAY = 64 * 1000; // 1 minute
		private static final int REBIND_MULTIPLIER = 2;

		@NonNull private static SatelliteServiceController sInstance;
		@NonNull private final Context mContext;
		@NonNull private final ExponentialBackoff mExponentialBackoff;
		@NonNull private final Object mLock = new Object();
		@Nullable private ISatellite mSatelliteService;
		@Nullable private SatelliteServiceConnection mSatelliteServiceConnection;
		private boolean mIsBound;

		/**
		* @return The singleton instance of SatelliteServiceController.
		*/
		public static SatelliteServiceController getInstance() {
		if (sInstance == null) {
		loge("SatelliteServiceController was not yet initialized.");
		}
		return sInstance;
		}

		/**
		* Create the SatelliteServiceController singleton instance.
		* @param context The Context to use to create the SatelliteServiceController.
		*/
		public static void make(@NonNull Context context) {
		if (sInstance == null) {
		sInstance = new SatelliteServiceController(context, Looper.getMainLooper());
		}
		}

		/**
		* Create a SatelliteServiceController to manage connections to the SatelliteService.
		*
		* @param context The Context for the SatelliteServiceController.
		* @param looper The Looper to run binding retry on.
		*/
		private SatelliteServiceController(@NonNull Context context, @NonNull Looper looper) {
		mContext = context;
		mExponentialBackoff = new ExponentialBackoff(REBIND_INITIAL_DELAY, REBIND_MAXIMUM_DELAY,
		REBIND_MULTIPLIER, looper, () -> {
		synchronized (mLock) {
		if (mIsBound) {
		return;
		}
		bindService();
		}
		});
		mExponentialBackoff.start();
		logd("Created SatelliteServiceController. Attempting to bind to SatelliteService.");
		bindService();
		}

		/**
		* Get the SatelliteService interface, if it exists.
		*
		* @return The bound ISatellite, or {@code null} if it is not yet connected.
		*/
		@Nullable public ISatellite getService() {
		return mSatelliteService;
		}

		@NonNull private String getSatellitePackageName() {
		return TextUtils.emptyIfNull(mContext.getResources().getString(
		com.android.internal.R.string.config_satellite_service_package));
		}

		private void bindService() {
		String packageName = getSatellitePackageName();
		if (TextUtils.isEmpty(packageName)) {
		loge("Unable to bind to the satellite service because the package is undefined.");
		// Since the package name comes from static device configs, stop retry because
		// rebind will continue to fail without a valid package name.
		mExponentialBackoff.stop();
		return;
		}
		Intent intent = new Intent(SatelliteService.SERVICE_INTERFACE);
		intent.setPackage(packageName);

		mSatelliteServiceConnection = new SatelliteServiceConnection();
		try {
		boolean success = mContext.bindService(
		intent, mSatelliteServiceConnection, Context.BIND_AUTO_CREATE);
		if (success) {
		logd("Successfully bound to the satellite service.");
		} else {
		mExponentialBackoff.notifyFailed();
		loge("Error binding to the satellite service. Retrying in "
		+ mExponentialBackoff.getCurrentDelay() + " ms.");
		}
		} catch (Exception e) {
		mExponentialBackoff.notifyFailed();
		loge("Exception binding to the satellite service. Retrying in "
		+ mExponentialBackoff.getCurrentDelay() + " ms. Exception: " + e);
		}
		}

		private void unbindService() {
		resetService();
		mContext.unbindService(mSatelliteServiceConnection);
		mSatelliteServiceConnection = null;
		}

		private void resetService() {
		// TODO: clean up any listeners and return failed for pending callbacks
		mSatelliteService = null;
		}

		private class SatelliteServiceConnection implements ServiceConnection {
		@Override
		public void onServiceConnected(ComponentName name, IBinder service) {
		logd("onServiceConnected: ComponentName=" + name);
		synchronized (mLock) {
		mIsBound = true;
		}
		mSatelliteService = ISatellite.Stub.asInterface(service);
		mExponentialBackoff.stop();
		// TODO: register any listeners
		}

		@Override
		public void onServiceDisconnected(ComponentName name) {
		loge("onServiceDisconnected: Waiting for reconnect.");
		// Since we are still technically bound, clear the service and wait for reconnect.
		resetService();
		}

		@Override
		public void onBindingDied(ComponentName name) {
		loge("onBindingDied: Unbinding and rebinding service.");
		synchronized (mLock) {
		mIsBound = false;
		}
		unbindService();
		mExponentialBackoff.start();
		}
		}

		private static void logd(@NonNull String log) {
		Rlog.d(TAG, log);
		}

		private static void loge(@NonNull String log) {
		Rlog.e(TAG, log);
		}
		}