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 | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 38 | import android.os.Handler; |
| 39 | import android.os.Looper; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 40 | import android.os.RemoteException; |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 41 | import android.util.MutableInt; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 42 | import android.util.Slog; |
| 43 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 44 | import com.android.internal.annotations.GuardedBy; |
| 45 | |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 46 | import java.util.ArrayList; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 47 | import java.util.HashSet; |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 48 | import java.util.List; |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 49 | import java.util.Map; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 50 | import java.util.Objects; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 51 | import java.util.Set; |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 52 | import java.util.stream.Collectors; |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 53 | |
| 54 | class RadioModule { |
| 55 | private static final String TAG = "BcRadio2Srv.module"; |
| 56 | |
| 57 | @NonNull private final IBroadcastRadio mService; |
| 58 | @NonNull public final RadioManager.ModuleProperties mProperties; |
| 59 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 60 | private final Object mLock = new Object(); |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 61 | @NonNull private final Handler mHandler; |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 62 | |
| 63 | @GuardedBy("mLock") |
| 64 | private ITunerSession mHalTunerSession; |
| 65 | |
| 66 | // Tracks antenna state reported by HAL (if any). |
| 67 | @GuardedBy("mLock") |
| 68 | private Boolean mAntennaConnected = null; |
| 69 | |
| 70 | @GuardedBy("mLock") |
| 71 | private RadioManager.ProgramInfo mProgramInfo = null; |
| 72 | |
| 73 | // Callback registered with the HAL to relay callbacks to AIDL clients. |
| 74 | private final ITunerCallback mHalTunerCallback = new ITunerCallback.Stub() { |
| 75 | @Override |
| 76 | public void onTuneFailed(int result, ProgramSelector programSelector) { |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 77 | lockAndFireLater(() -> { |
| 78 | android.hardware.radio.ProgramSelector csel = |
| 79 | Convert.programSelectorFromHal(programSelector); |
| 80 | fanoutAidlCallbackLocked(cb -> cb.onTuneFailed(result, csel)); |
| 81 | }); |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public void onCurrentProgramInfoChanged(ProgramInfo halProgramInfo) { |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 86 | lockAndFireLater(() -> { |
| 87 | mProgramInfo = Convert.programInfoFromHal(halProgramInfo); |
| 88 | fanoutAidlCallbackLocked(cb -> cb.onCurrentProgramInfoChanged(mProgramInfo)); |
| 89 | }); |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public void onProgramListUpdated(ProgramListChunk programListChunk) { |
| 94 | // TODO: Cache per-AIDL client filters, send union of filters to HAL, use filters to fan |
| 95 | // back out to clients. |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 96 | lockAndFireLater(() -> { |
| 97 | android.hardware.radio.ProgramList.Chunk chunk = |
| 98 | Convert.programListChunkFromHal(programListChunk); |
| 99 | fanoutAidlCallbackLocked(cb -> cb.onProgramListUpdated(chunk)); |
| 100 | }); |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public void onAntennaStateChange(boolean connected) { |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 105 | lockAndFireLater(() -> { |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 106 | mAntennaConnected = connected; |
| 107 | fanoutAidlCallbackLocked(cb -> cb.onAntennaState(connected)); |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 108 | }); |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | @Override |
| 112 | public void onParametersUpdated(ArrayList<VendorKeyValue> parameters) { |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 113 | lockAndFireLater(() -> { |
| 114 | Map<String, String> cparam = Convert.vendorInfoFromHal(parameters); |
| 115 | fanoutAidlCallbackLocked(cb -> cb.onParametersUpdated(cparam)); |
| 116 | }); |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 117 | } |
| 118 | }; |
| 119 | |
| 120 | // Collection of active AIDL tuner sessions created through openSession(). |
| 121 | @GuardedBy("mLock") |
| 122 | private final Set<TunerSession> mAidlTunerSessions = new HashSet<>(); |
| 123 | |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 124 | private RadioModule(@NonNull IBroadcastRadio service, |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 125 | @NonNull RadioManager.ModuleProperties properties) throws RemoteException { |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 126 | mProperties = Objects.requireNonNull(properties); |
| 127 | mService = Objects.requireNonNull(service); |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 128 | mHandler = new Handler(Looper.getMainLooper()); |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | public static @Nullable RadioModule tryLoadingModule(int idx, @NonNull String fqName) { |
| 132 | try { |
Tomasz Wasilczyk | d0ac0bc | 2018-03-01 08:21:55 -0800 | [diff] [blame] | 133 | IBroadcastRadio service = IBroadcastRadio.getService(fqName); |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 134 | if (service == null) return null; |
| 135 | |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 136 | Mutable<AmFmRegionConfig> amfmConfig = new Mutable<>(); |
Tomasz Wasilczyk | 58f3406 | 2018-01-13 08:25:17 -0800 | [diff] [blame] | 137 | service.getAmFmRegionConfig(false, (result, config) -> { |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 138 | if (result == Result.OK) amfmConfig.value = config; |
| 139 | }); |
| 140 | |
Tomasz Wasilczyk | 58f3406 | 2018-01-13 08:25:17 -0800 | [diff] [blame] | 141 | Mutable<List<DabTableEntry>> dabConfig = new Mutable<>(); |
| 142 | service.getDabRegionConfig((result, config) -> { |
| 143 | if (result == Result.OK) dabConfig.value = config; |
| 144 | }); |
| 145 | |
| 146 | RadioManager.ModuleProperties prop = Convert.propertiesFromHal(idx, fqName, |
| 147 | service.getProperties(), amfmConfig.value, dabConfig.value); |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 148 | |
| 149 | return new RadioModule(service, prop); |
| 150 | } catch (RemoteException ex) { |
| 151 | Slog.e(TAG, "failed to load module " + fqName, ex); |
| 152 | return null; |
| 153 | } |
| 154 | } |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 155 | |
George Lu | 5af72432 | 2019-03-13 17:11:21 -0700 | [diff] [blame] | 156 | public @NonNull IBroadcastRadio getService() { |
| 157 | return mService; |
| 158 | } |
| 159 | |
Tomasz Wasilczyk | 436128f | 2018-01-08 16:46:09 -0800 | [diff] [blame] | 160 | public @NonNull TunerSession openSession(@NonNull android.hardware.radio.ITunerCallback userCb) |
| 161 | throws RemoteException { |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 162 | synchronized (mLock) { |
| 163 | if (mHalTunerSession == null) { |
| 164 | Mutable<ITunerSession> hwSession = new Mutable<>(); |
| 165 | mService.openSession(mHalTunerCallback, (result, session) -> { |
| 166 | Convert.throwOnError("openSession", result); |
| 167 | hwSession.value = session; |
| 168 | }); |
| 169 | mHalTunerSession = Objects.requireNonNull(hwSession.value); |
| 170 | } |
| 171 | TunerSession tunerSession = new TunerSession(this, mHalTunerSession, userCb); |
| 172 | mAidlTunerSessions.add(tunerSession); |
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 | // Propagate state to new client. Note: These callbacks are invoked while holding mLock |
| 175 | // to prevent race conditions with new callbacks from the HAL. |
| 176 | if (mAntennaConnected != null) { |
| 177 | userCb.onAntennaState(mAntennaConnected); |
| 178 | } |
| 179 | if (mProgramInfo != null) { |
| 180 | userCb.onCurrentProgramInfoChanged(mProgramInfo); |
| 181 | } |
| 182 | |
| 183 | return tunerSession; |
Tomasz Wasilczyk | 3b4465e | 2018-01-14 21:47:44 -0800 | [diff] [blame] | 184 | } |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 185 | } |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 186 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 187 | public void closeSessions(Integer error) { |
| 188 | // Copy the contents of mAidlTunerSessions into a local array because TunerSession.close() |
| 189 | // must be called without mAidlTunerSessions locked because it can call |
| 190 | // onTunerSessionClosed(). |
| 191 | TunerSession[] tunerSessions; |
| 192 | synchronized (mLock) { |
| 193 | tunerSessions = new TunerSession[mAidlTunerSessions.size()]; |
| 194 | mAidlTunerSessions.toArray(tunerSessions); |
| 195 | mAidlTunerSessions.clear(); |
| 196 | } |
| 197 | for (TunerSession tunerSession : tunerSessions) { |
| 198 | tunerSession.close(error); |
| 199 | } |
| 200 | } |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 201 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 202 | void onTunerSessionClosed(TunerSession tunerSession) { |
| 203 | synchronized (mLock) { |
| 204 | mAidlTunerSessions.remove(tunerSession); |
| 205 | if (mAidlTunerSessions.isEmpty() && mHalTunerSession != null) { |
| 206 | Slog.v(TAG, "closing HAL tuner session"); |
| 207 | try { |
| 208 | mHalTunerSession.close(); |
| 209 | } catch (RemoteException ex) { |
| 210 | Slog.e(TAG, "mHalTunerSession.close() failed: ", ex); |
| 211 | } |
| 212 | mHalTunerSession = null; |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 217 | // add to mHandler queue, but ensure the runnable holds mLock when it gets executed |
| 218 | private void lockAndFireLater(Runnable r) { |
| 219 | mHandler.post(() -> { |
| 220 | synchronized (mLock) { |
| 221 | r.run(); |
| 222 | } |
| 223 | }); |
| 224 | } |
| 225 | |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 226 | interface AidlCallbackRunnable { |
| 227 | void run(android.hardware.radio.ITunerCallback callback) throws RemoteException; |
| 228 | } |
| 229 | |
| 230 | // Invokes runnable with each TunerSession currently open. |
| 231 | void fanoutAidlCallback(AidlCallbackRunnable runnable) { |
Tomasz Wasilczyk | 8291875 | 2019-08-15 14:50:31 -0700 | [diff] [blame] | 232 | lockAndFireLater(() -> fanoutAidlCallbackLocked(runnable)); |
George Lu | b45cdc7 | 2019-03-29 16:53:51 -0700 | [diff] [blame] | 233 | } |
| 234 | |
| 235 | private void fanoutAidlCallbackLocked(AidlCallbackRunnable runnable) { |
| 236 | for (TunerSession tunerSession : mAidlTunerSessions) { |
| 237 | try { |
| 238 | runnable.run(tunerSession.mCallback); |
| 239 | } catch (DeadObjectException ex) { |
| 240 | // The other side died without calling close(), so just purge it from our |
| 241 | // records. |
| 242 | Slog.e(TAG, "Removing dead TunerSession"); |
| 243 | mAidlTunerSessions.remove(tunerSession); |
| 244 | } catch (RemoteException ex) { |
| 245 | Slog.e(TAG, "Failed to invoke ITunerCallback: ", ex); |
| 246 | } |
| 247 | } |
Tomasz Wasilczyk | f58305d | 2017-12-28 14:03:15 -0800 | [diff] [blame] | 248 | } |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 249 | |
| 250 | public android.hardware.radio.ICloseHandle addAnnouncementListener(@NonNull int[] enabledTypes, |
| 251 | @NonNull android.hardware.radio.IAnnouncementListener listener) throws RemoteException { |
| 252 | ArrayList<Byte> enabledList = new ArrayList<>(); |
| 253 | for (int type : enabledTypes) { |
| 254 | enabledList.add((byte)type); |
| 255 | } |
| 256 | |
| 257 | MutableInt halResult = new MutableInt(Result.UNKNOWN_ERROR); |
| 258 | Mutable<ICloseHandle> hwCloseHandle = new Mutable<>(); |
| 259 | IAnnouncementListener hwListener = new IAnnouncementListener.Stub() { |
| 260 | public void onListUpdated(ArrayList<Announcement> hwAnnouncements) |
| 261 | throws RemoteException { |
| 262 | listener.onListUpdated(hwAnnouncements.stream(). |
| 263 | map(a -> Convert.announcementFromHal(a)).collect(Collectors.toList())); |
| 264 | } |
| 265 | }; |
Tomasz Wasilczyk | 3b4465e | 2018-01-14 21:47:44 -0800 | [diff] [blame] | 266 | |
| 267 | synchronized (mService) { |
| 268 | mService.registerAnnouncementListener(enabledList, hwListener, (result, closeHnd) -> { |
| 269 | halResult.value = result; |
| 270 | hwCloseHandle.value = closeHnd; |
| 271 | }); |
| 272 | } |
Tomasz Wasilczyk | f151a7b | 2018-01-11 16:03:46 -0800 | [diff] [blame] | 273 | Convert.throwOnError("addAnnouncementListener", halResult.value); |
| 274 | |
| 275 | return new android.hardware.radio.ICloseHandle.Stub() { |
| 276 | public void close() { |
| 277 | try { |
| 278 | hwCloseHandle.value.close(); |
| 279 | } catch (RemoteException ex) { |
| 280 | Slog.e(TAG, "Failed closing announcement listener", ex); |
| 281 | } |
| 282 | } |
| 283 | }; |
| 284 | } |
Tomasz Wasilczyk | 3b4465e | 2018-01-14 21:47:44 -0800 | [diff] [blame] | 285 | |
| 286 | Bitmap getImage(int id) { |
| 287 | if (id == 0) throw new IllegalArgumentException("Image ID is missing"); |
| 288 | |
| 289 | byte[] rawImage; |
| 290 | synchronized (mService) { |
| 291 | List<Byte> rawList = Utils.maybeRethrow(() -> mService.getImage(id)); |
| 292 | rawImage = new byte[rawList.size()]; |
| 293 | for (int i = 0; i < rawList.size(); i++) { |
| 294 | rawImage[i] = rawList.get(i); |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | if (rawImage == null || rawImage.length == 0) return null; |
| 299 | |
| 300 | return BitmapFactory.decodeByteArray(rawImage, 0, rawImage.length); |
| 301 | } |
Tomasz Wasilczyk | d65b3ca | 2017-12-13 08:26:25 -0800 | [diff] [blame] | 302 | } |