Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 1 | /** |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 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 |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 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. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.broadcastradio.hal2; |
| 18 | |
| 19 | import android.annotation.NonNull; |
| 20 | import android.annotation.Nullable; |
Tomasz Wasilczyk | 3b4465e | 2018-01-14 21:47:44 -0800 | [diff] [blame] | 21 | import android.graphics.Bitmap; |
| 22 | import android.graphics.BitmapFactory; |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 23 | import android.hardware.broadcastradio.V2_0.AmFmRegionConfig; |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 24 | import android.hardware.broadcastradio.V2_0.Announcement; |
Tomasz Wasilczyk | 58f3406 | 2018-01-13 08:25:17 -0800 | [diff] [blame] | 25 | import android.hardware.broadcastradio.V2_0.DabTableEntry; |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 26 | import android.hardware.broadcastradio.V2_0.IAnnouncementListener; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 27 | import android.hardware.broadcastradio.V2_0.IBroadcastRadio; |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 28 | import android.hardware.broadcastradio.V2_0.ICloseHandle; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 29 | import android.hardware.broadcastradio.V2_0.ITunerCallback; |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 30 | import android.hardware.broadcastradio.V2_0.ITunerSession; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 31 | import android.hardware.broadcastradio.V2_0.ProgramInfo; |
| 32 | import android.hardware.broadcastradio.V2_0.ProgramListChunk; |
| 33 | import android.hardware.broadcastradio.V2_0.ProgramSelector; |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 34 | import android.hardware.broadcastradio.V2_0.Result; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 35 | import android.hardware.broadcastradio.V2_0.VendorKeyValue; |
George Lu | 5af72432 | 2019-03-13 17:11:21 -0700 | [diff] [blame] | 36 | import android.hardware.radio.RadioManager; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 37 | import android.os.DeadObjectException; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 38 | import android.os.RemoteException; |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 39 | import android.util.MutableInt; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 40 | import android.util.Slog; |
| 41 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 42 | import com.android.internal.annotations.GuardedBy; |
| 43 | |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 44 | import java.util.ArrayList; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 45 | import java.util.HashSet; |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 46 | import java.util.List; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 47 | import java.util.Objects; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 48 | import java.util.Set; |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 49 | import java.util.stream.Collectors; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 50 | |
| 51 | class RadioModule { |
| 52 | private static final String TAG = "BcRadio2Srv.module"; |
| 53 | |
| 54 | @NonNull private final IBroadcastRadio mService; |
| 55 | @NonNull public final RadioManager.ModuleProperties mProperties; |
| 56 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 57 | private final Object mLock = new Object(); |
| 58 | |
| 59 | @GuardedBy("mLock") |
| 60 | private ITunerSession mHalTunerSession; |
| 61 | |
| 62 | // Tracks antenna state reported by HAL (if any). |
| 63 | @GuardedBy("mLock") |
| 64 | private Boolean mAntennaConnected = null; |
| 65 | |
| 66 | @GuardedBy("mLock") |
| 67 | private RadioManager.ProgramInfo mProgramInfo = null; |
| 68 | |
| 69 | // Callback registered with the HAL to relay callbacks to AIDL clients. |
| 70 | private final ITunerCallback mHalTunerCallback = new ITunerCallback.Stub() { |
| 71 | @Override |
| 72 | public void onTuneFailed(int result, ProgramSelector programSelector) { |
| 73 | fanoutAidlCallback(cb -> cb.onTuneFailed(result, Convert.programSelectorFromHal( |
| 74 | programSelector))); |
| 75 | } |
| 76 | |
| 77 | @Override |
| 78 | public void onCurrentProgramInfoChanged(ProgramInfo halProgramInfo) { |
| 79 | RadioManager.ProgramInfo programInfo = Convert.programInfoFromHal(halProgramInfo); |
| 80 | synchronized (mLock) { |
| 81 | mProgramInfo = programInfo; |
| 82 | fanoutAidlCallbackLocked(cb -> cb.onCurrentProgramInfoChanged(programInfo)); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | @Override |
| 87 | public void onProgramListUpdated(ProgramListChunk programListChunk) { |
| 88 | // TODO: Cache per-AIDL client filters, send union of filters to HAL, use filters to fan |
| 89 | // back out to clients. |
| 90 | fanoutAidlCallback(cb -> cb.onProgramListUpdated(Convert.programListChunkFromHal( |
| 91 | programListChunk))); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public void onAntennaStateChange(boolean connected) { |
| 96 | synchronized (mLock) { |
| 97 | mAntennaConnected = connected; |
| 98 | fanoutAidlCallbackLocked(cb -> cb.onAntennaState(connected)); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public void onParametersUpdated(ArrayList<VendorKeyValue> parameters) { |
| 104 | fanoutAidlCallback(cb -> cb.onParametersUpdated(Convert.vendorInfoFromHal(parameters))); |
| 105 | } |
| 106 | }; |
| 107 | |
| 108 | // Collection of active AIDL tuner sessions created through openSession(). |
| 109 | @GuardedBy("mLock") |
| 110 | private final Set<TunerSession> mAidlTunerSessions = new HashSet<>(); |
| 111 | |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 112 | private RadioModule(@NonNull IBroadcastRadio service, |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 113 | @NonNull RadioManager.ModuleProperties properties) throws RemoteException { |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 114 | mProperties = Objects.requireNonNull(properties); |
| 115 | mService = Objects.requireNonNull(service); |
| 116 | } |
| 117 | |
| 118 | public static @Nullable RadioModule tryLoadingModule(int idx, @NonNull String fqName) { |
| 119 | try { |
Tomasz Wasilczyk | d0ac0bc | 2018-03-01 08:21:55 -0800 | [diff] [blame] | 120 | IBroadcastRadio service = IBroadcastRadio.getService(fqName); |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 121 | if (service == null) return null; |
| 122 | |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 123 | Mutable<AmFmRegionConfig> amfmConfig = new Mutable<>(); |
Tomasz Wasilczyk | 58f3406 | 2018-01-13 08:25:17 -0800 | [diff] [blame] | 124 | service.getAmFmRegionConfig(false, (result, config) -> { |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 125 | if (result == Result.OK) amfmConfig.value = config; |
| 126 | }); |
| 127 | |
Tomasz Wasilczyk | 58f3406 | 2018-01-13 08:25:17 -0800 | [diff] [blame] | 128 | Mutable<List<DabTableEntry>> dabConfig = new Mutable<>(); |
| 129 | service.getDabRegionConfig((result, config) -> { |
| 130 | if (result == Result.OK) dabConfig.value = config; |
| 131 | }); |
| 132 | |
| 133 | RadioManager.ModuleProperties prop = Convert.propertiesFromHal(idx, fqName, |
| 134 | service.getProperties(), amfmConfig.value, dabConfig.value); |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 135 | |
| 136 | return new RadioModule(service, prop); |
| 137 | } catch (RemoteException ex) { |
| 138 | Slog.e(TAG, "failed to load module " + fqName, ex); |
| 139 | return null; |
| 140 | } |
| 141 | } |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 142 | |
George Lu | 5af72432 | 2019-03-13 17:11:21 -0700 | [diff] [blame] | 143 | public @NonNull IBroadcastRadio getService() { |
| 144 | return mService; |
| 145 | } |
| 146 | |
Tomasz Wasilczyk | 436128f | 2018-01-08 16:46:09 -0800 | [diff] [blame] | 147 | public @NonNull TunerSession openSession(@NonNull android.hardware.radio.ITunerCallback userCb) |
| 148 | throws RemoteException { |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 149 | synchronized (mLock) { |
| 150 | if (mHalTunerSession == null) { |
| 151 | Mutable<ITunerSession> hwSession = new Mutable<>(); |
| 152 | mService.openSession(mHalTunerCallback, (result, session) -> { |
| 153 | Convert.throwOnError("openSession", result); |
| 154 | hwSession.value = session; |
| 155 | }); |
| 156 | mHalTunerSession = Objects.requireNonNull(hwSession.value); |
| 157 | } |
| 158 | TunerSession tunerSession = new TunerSession(this, mHalTunerSession, userCb); |
| 159 | mAidlTunerSessions.add(tunerSession); |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 160 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 161 | // Propagate state to new client. Note: These callbacks are invoked while holding mLock |
| 162 | // to prevent race conditions with new callbacks from the HAL. |
| 163 | if (mAntennaConnected != null) { |
| 164 | userCb.onAntennaState(mAntennaConnected); |
| 165 | } |
| 166 | if (mProgramInfo != null) { |
| 167 | userCb.onCurrentProgramInfoChanged(mProgramInfo); |
| 168 | } |
| 169 | |
| 170 | return tunerSession; |
Tomasz Wasilczyk | 3b4465e | 2018-01-14 21:47:44 -0800 | [diff] [blame] | 171 | } |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 172 | } |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 173 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 174 | public void closeSessions(Integer error) { |
| 175 | // Copy the contents of mAidlTunerSessions into a local array because TunerSession.close() |
| 176 | // must be called without mAidlTunerSessions locked because it can call |
| 177 | // onTunerSessionClosed(). |
| 178 | TunerSession[] tunerSessions; |
| 179 | synchronized (mLock) { |
| 180 | tunerSessions = new TunerSession[mAidlTunerSessions.size()]; |
| 181 | mAidlTunerSessions.toArray(tunerSessions); |
| 182 | mAidlTunerSessions.clear(); |
| 183 | } |
| 184 | for (TunerSession tunerSession : tunerSessions) { |
| 185 | tunerSession.close(error); |
| 186 | } |
| 187 | } |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 188 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 189 | void onTunerSessionClosed(TunerSession tunerSession) { |
| 190 | synchronized (mLock) { |
| 191 | mAidlTunerSessions.remove(tunerSession); |
| 192 | if (mAidlTunerSessions.isEmpty() && mHalTunerSession != null) { |
| 193 | Slog.v(TAG, "closing HAL tuner session"); |
| 194 | try { |
| 195 | mHalTunerSession.close(); |
| 196 | } catch (RemoteException ex) { |
| 197 | Slog.e(TAG, "mHalTunerSession.close() failed: ", ex); |
| 198 | } |
| 199 | mHalTunerSession = null; |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | interface AidlCallbackRunnable { |
| 205 | void run(android.hardware.radio.ITunerCallback callback) throws RemoteException; |
| 206 | } |
| 207 | |
| 208 | // Invokes runnable with each TunerSession currently open. |
| 209 | void fanoutAidlCallback(AidlCallbackRunnable runnable) { |
| 210 | synchronized (mLock) { |
| 211 | fanoutAidlCallbackLocked(runnable); |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | private void fanoutAidlCallbackLocked(AidlCallbackRunnable runnable) { |
| 216 | for (TunerSession tunerSession : mAidlTunerSessions) { |
| 217 | try { |
| 218 | runnable.run(tunerSession.mCallback); |
| 219 | } catch (DeadObjectException ex) { |
| 220 | // The other side died without calling close(), so just purge it from our |
| 221 | // records. |
| 222 | Slog.e(TAG, "Removing dead TunerSession"); |
| 223 | mAidlTunerSessions.remove(tunerSession); |
| 224 | } catch (RemoteException ex) { |
| 225 | Slog.e(TAG, "Failed to invoke ITunerCallback: ", ex); |
| 226 | } |
| 227 | } |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 228 | } |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 229 | |
| 230 | public android.hardware.radio.ICloseHandle addAnnouncementListener(@NonNull int[] enabledTypes, |
| 231 | @NonNull android.hardware.radio.IAnnouncementListener listener) throws RemoteException { |
| 232 | ArrayList<Byte> enabledList = new ArrayList<>(); |
| 233 | for (int type : enabledTypes) { |
| 234 | enabledList.add((byte)type); |
| 235 | } |
| 236 | |
| 237 | MutableInt halResult = new MutableInt(Result.UNKNOWN_ERROR); |
| 238 | Mutable<ICloseHandle> hwCloseHandle = new Mutable<>(); |
| 239 | IAnnouncementListener hwListener = new IAnnouncementListener.Stub() { |
| 240 | public void onListUpdated(ArrayList<Announcement> hwAnnouncements) |
| 241 | throws RemoteException { |
| 242 | listener.onListUpdated(hwAnnouncements.stream(). |
| 243 | map(a -> Convert.announcementFromHal(a)).collect(Collectors.toList())); |
| 244 | } |
| 245 | }; |
Tomasz Wasilczyk | 3b4465e | 2018-01-14 21:47:44 -0800 | [diff] [blame] | 246 | |
| 247 | synchronized (mService) { |
| 248 | mService.registerAnnouncementListener(enabledList, hwListener, (result, closeHnd) -> { |
| 249 | halResult.value = result; |
| 250 | hwCloseHandle.value = closeHnd; |
| 251 | }); |
| 252 | } |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 253 | Convert.throwOnError("addAnnouncementListener", halResult.value); |
| 254 | |
| 255 | return new android.hardware.radio.ICloseHandle.Stub() { |
| 256 | public void close() { |
| 257 | try { |
| 258 | hwCloseHandle.value.close(); |
| 259 | } catch (RemoteException ex) { |
| 260 | Slog.e(TAG, "Failed closing announcement listener", ex); |
| 261 | } |
| 262 | } |
| 263 | }; |
| 264 | } |
Tomasz Wasilczyk | 3b4465e | 2018-01-14 21:47:44 -0800 | [diff] [blame] | 265 | |
| 266 | Bitmap getImage(int id) { |
| 267 | if (id == 0) throw new IllegalArgumentException("Image ID is missing"); |
| 268 | |
| 269 | byte[] rawImage; |
| 270 | synchronized (mService) { |
| 271 | List<Byte> rawList = Utils.maybeRethrow(() -> mService.getImage(id)); |
| 272 | rawImage = new byte[rawList.size()]; |
| 273 | for (int i = 0; i < rawList.size(); i++) { |
| 274 | rawImage[i] = rawList.get(i); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | if (rawImage == null || rawImage.length == 0) return null; |
| 279 | |
| 280 | return BitmapFactory.decodeByteArray(rawImage, 0, rawImage.length); |
| 281 | } |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 282 | } |