Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | //#define LOG_NDEBUG 0 |
| 18 | #define LOG_TAG "android_os_HwParcel" |
| 19 | #include <android-base/logging.h> |
| 20 | |
| 21 | #include "android_os_HwParcel.h" |
| 22 | |
Ytai Ben-Tsvi | 4659e18 | 2019-11-06 09:53:34 -0800 | [diff] [blame] | 23 | #include "android_os_HidlMemory.h" |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 24 | #include "android_os_HwBinder.h" |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 25 | #include "android_os_HwBlob.h" |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 26 | #include "android_os_NativeHandle.h" |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 27 | #include "android_os_HwRemoteBinder.h" |
| 28 | |
Steven Moreland | 2279b25 | 2017-07-19 09:50:45 -0700 | [diff] [blame] | 29 | #include <nativehelper/JNIHelp.h> |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 30 | #include <android_runtime/AndroidRuntime.h> |
Ytai Ben-Tsvi | 4659e18 | 2019-11-06 09:53:34 -0800 | [diff] [blame] | 31 | #include <hidl/HidlBinderSupport.h> |
| 32 | #include <hidl/HidlSupport.h> |
Yifan Hong | ddf31f6 | 2016-11-15 16:02:40 -0800 | [diff] [blame] | 33 | #include <hidl/HidlTransportSupport.h> |
Martijn Coenen | aa2c32f | 2016-09-01 01:37:05 +0200 | [diff] [blame] | 34 | #include <hidl/Status.h> |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 35 | #include <nativehelper/ScopedLocalRef.h> |
| 36 | |
| 37 | #include "core_jni_helpers.h" |
| 38 | |
| 39 | using android::AndroidRuntime; |
| 40 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 41 | using ::android::hardware::hidl_handle; |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 42 | using ::android::hardware::hidl_string; |
| 43 | using ::android::hardware::hidl_vec; |
| 44 | |
| 45 | #define PACKAGE_PATH "android/os" |
| 46 | #define CLASS_NAME "HwParcel" |
| 47 | #define CLASS_PATH PACKAGE_PATH "/" CLASS_NAME |
| 48 | |
| 49 | namespace android { |
| 50 | |
| 51 | static struct fields_t { |
| 52 | jfieldID contextID; |
| 53 | jmethodID constructID; |
| 54 | |
| 55 | } gFields; |
| 56 | |
Steven Moreland | e62b1f3 | 2016-12-20 15:55:48 -0800 | [diff] [blame] | 57 | void signalExceptionForError(JNIEnv *env, status_t err, bool canThrowRemoteException) { |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 58 | switch (err) { |
| 59 | case OK: |
| 60 | break; |
| 61 | |
| 62 | case NO_MEMORY: |
| 63 | { |
| 64 | jniThrowException(env, "java/lang/OutOfMemoryError", NULL); |
| 65 | break; |
| 66 | } |
| 67 | |
| 68 | case INVALID_OPERATION: |
| 69 | { |
| 70 | jniThrowException( |
| 71 | env, "java/lang/UnsupportedOperationException", NULL); |
| 72 | break; |
| 73 | } |
| 74 | |
| 75 | case BAD_VALUE: |
| 76 | { |
| 77 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 78 | break; |
| 79 | } |
| 80 | |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 81 | case -ERANGE: |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 82 | case BAD_INDEX: |
| 83 | { |
| 84 | jniThrowException(env, "java/lang/IndexOutOfBoundsException", NULL); |
| 85 | break; |
| 86 | } |
| 87 | |
| 88 | case BAD_TYPE: |
| 89 | { |
| 90 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 91 | break; |
| 92 | } |
| 93 | |
| 94 | case NAME_NOT_FOUND: |
| 95 | { |
| 96 | jniThrowException(env, "java/util/NoSuchElementException", NULL); |
| 97 | break; |
| 98 | } |
| 99 | |
| 100 | case PERMISSION_DENIED: |
| 101 | { |
| 102 | jniThrowException(env, "java/lang/SecurityException", NULL); |
| 103 | break; |
| 104 | } |
| 105 | |
| 106 | case NO_INIT: |
| 107 | { |
| 108 | jniThrowException( |
| 109 | env, "java/lang/RuntimeException", "Not initialized"); |
| 110 | break; |
| 111 | } |
| 112 | |
| 113 | case ALREADY_EXISTS: |
| 114 | { |
| 115 | jniThrowException( |
| 116 | env, "java/lang/RuntimeException", "Item already exists"); |
| 117 | break; |
| 118 | } |
| 119 | |
| 120 | default: |
| 121 | { |
Steven Moreland | e62b1f3 | 2016-12-20 15:55:48 -0800 | [diff] [blame] | 122 | std::stringstream ss; |
| 123 | ss << "HwBinder Error: (" << err << ")"; |
| 124 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 125 | jniThrowException( |
Steven Moreland | e62b1f3 | 2016-12-20 15:55:48 -0800 | [diff] [blame] | 126 | env, |
| 127 | canThrowRemoteException ? "android/os/RemoteException" : "java/lang/RuntimeException", |
| 128 | ss.str().c_str()); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 129 | |
| 130 | break; |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | // static |
| 136 | void JHwParcel::InitClass(JNIEnv *env) { |
| 137 | ScopedLocalRef<jclass> clazz( |
| 138 | env, FindClassOrDie(env, CLASS_PATH)); |
| 139 | |
| 140 | gFields.contextID = |
| 141 | GetFieldIDOrDie(env, clazz.get(), "mNativeContext", "J"); |
| 142 | |
| 143 | gFields.constructID = GetMethodIDOrDie(env, clazz.get(), "<init>", "(Z)V"); |
| 144 | } |
| 145 | |
| 146 | // static |
| 147 | sp<JHwParcel> JHwParcel::SetNativeContext( |
| 148 | JNIEnv *env, jobject thiz, const sp<JHwParcel> &context) { |
| 149 | sp<JHwParcel> old = (JHwParcel *)env->GetLongField(thiz, gFields.contextID); |
| 150 | |
| 151 | if (context != NULL) { |
| 152 | context->incStrong(NULL /* id */); |
| 153 | } |
| 154 | |
| 155 | if (old != NULL) { |
| 156 | old->decStrong(NULL /* id */); |
| 157 | } |
| 158 | |
| 159 | env->SetLongField(thiz, gFields.contextID, (long)context.get()); |
| 160 | |
| 161 | return old; |
| 162 | } |
| 163 | |
| 164 | // static |
| 165 | sp<JHwParcel> JHwParcel::GetNativeContext(JNIEnv *env, jobject thiz) { |
| 166 | return (JHwParcel *)env->GetLongField(thiz, gFields.contextID); |
| 167 | } |
| 168 | |
| 169 | JHwParcel::JHwParcel(JNIEnv *env, jobject thiz) |
| 170 | : mParcel(NULL), |
| 171 | mOwnsParcel(false), |
| 172 | mTransactCallback(nullptr), |
| 173 | mWasSent(false) { |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | JHwParcel::~JHwParcel() { |
| 177 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| 178 | |
| 179 | mStorage.release(env); |
| 180 | |
| 181 | setParcel(NULL, false /* assumeOwnership */); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | hardware::Parcel *JHwParcel::getParcel() { |
| 185 | return mParcel; |
| 186 | } |
| 187 | |
| 188 | EphemeralStorage *JHwParcel::getStorage() { |
| 189 | return &mStorage; |
| 190 | } |
| 191 | |
| 192 | void JHwParcel::setParcel(hardware::Parcel *parcel, bool assumeOwnership) { |
| 193 | if (mParcel && mOwnsParcel) { |
| 194 | delete mParcel; |
| 195 | } |
| 196 | |
| 197 | mParcel = parcel; |
| 198 | mOwnsParcel = assumeOwnership; |
| 199 | } |
| 200 | |
| 201 | // static |
| 202 | jobject JHwParcel::NewObject(JNIEnv *env) { |
| 203 | ScopedLocalRef<jclass> clazz(env, FindClassOrDie(env, CLASS_PATH)); |
| 204 | |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 205 | jmethodID constructID = |
| 206 | GetMethodIDOrDie(env, clazz.get(), "<init>", "(Z)V"); |
| 207 | |
| 208 | return env->NewObject(clazz.get(), constructID, false /* allocate */); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | void JHwParcel::setTransactCallback( |
| 212 | ::android::hardware::IBinder::TransactCallback cb) { |
| 213 | mTransactCallback = cb; |
| 214 | } |
| 215 | |
| 216 | void JHwParcel::send() { |
| 217 | CHECK(mTransactCallback != nullptr); |
| 218 | CHECK(mParcel != nullptr); |
| 219 | |
| 220 | mTransactCallback(*mParcel); |
| 221 | mTransactCallback = nullptr; |
| 222 | |
| 223 | mWasSent = true; |
| 224 | } |
| 225 | |
| 226 | bool JHwParcel::wasSent() const { |
| 227 | return mWasSent; |
| 228 | } |
| 229 | |
| 230 | } // namespace android |
| 231 | |
| 232 | //////////////////////////////////////////////////////////////////////////////// |
| 233 | |
| 234 | using namespace android; |
| 235 | |
| 236 | static void releaseNativeContext(void *nativeContext) { |
| 237 | sp<JHwParcel> parcel = (JHwParcel *)nativeContext; |
| 238 | |
| 239 | if (parcel != NULL) { |
| 240 | parcel->decStrong(NULL /* id */); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | static jlong JHwParcel_native_init(JNIEnv *env) { |
| 245 | JHwParcel::InitClass(env); |
| 246 | |
| 247 | return reinterpret_cast<jlong>(&releaseNativeContext); |
| 248 | } |
| 249 | |
| 250 | static void JHwParcel_native_setup( |
| 251 | JNIEnv *env, jobject thiz, jboolean allocate) { |
| 252 | sp<JHwParcel> context = new JHwParcel(env, thiz); |
| 253 | |
| 254 | if (allocate) { |
| 255 | context->setParcel(new hardware::Parcel, true /* assumeOwnership */); |
| 256 | } |
| 257 | |
| 258 | JHwParcel::SetNativeContext(env, thiz, context); |
| 259 | } |
| 260 | |
| 261 | static void JHwParcel_native_writeInterfaceToken( |
| 262 | JNIEnv *env, jobject thiz, jstring interfaceNameObj) { |
| 263 | if (interfaceNameObj == NULL) { |
| 264 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 265 | return; |
| 266 | } |
| 267 | |
| 268 | const jchar *interfaceName = env->GetStringCritical(interfaceNameObj, NULL); |
| 269 | if (interfaceName) { |
Steven Moreland | ab2fca2 | 2016-11-11 12:33:41 -0800 | [diff] [blame] | 270 | String8 nameCopy = String8(String16( |
Andreas Huber | 9f02686 | 2016-11-03 15:46:04 -0700 | [diff] [blame] | 271 | reinterpret_cast<const char16_t *>(interfaceName), |
Steven Moreland | ab2fca2 | 2016-11-11 12:33:41 -0800 | [diff] [blame] | 272 | env->GetStringLength(interfaceNameObj))); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 273 | |
| 274 | env->ReleaseStringCritical(interfaceNameObj, interfaceName); |
| 275 | interfaceName = NULL; |
| 276 | |
Andreas Huber | 9f02686 | 2016-11-03 15:46:04 -0700 | [diff] [blame] | 277 | hardware::Parcel *parcel = |
| 278 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 279 | |
Steven Moreland | ab2fca2 | 2016-11-11 12:33:41 -0800 | [diff] [blame] | 280 | status_t err = parcel->writeInterfaceToken(nameCopy.string()); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 281 | signalExceptionForError(env, err); |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | static void JHwParcel_native_enforceInterface( |
| 286 | JNIEnv *env, jobject thiz, jstring interfaceNameObj) { |
| 287 | // XXX original binder Parcel enforceInterface implementation does some |
| 288 | // mysterious things regarding strictModePolicy(), figure out if we need |
| 289 | // that here as well. |
| 290 | if (interfaceNameObj == NULL) { |
| 291 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 292 | return; |
| 293 | } |
| 294 | |
| 295 | const jchar *interfaceName = env->GetStringCritical(interfaceNameObj, NULL); |
| 296 | if (interfaceName) { |
Steven Moreland | ab2fca2 | 2016-11-11 12:33:41 -0800 | [diff] [blame] | 297 | String8 interfaceNameCopy = String8(String16( |
Andreas Huber | 9f02686 | 2016-11-03 15:46:04 -0700 | [diff] [blame] | 298 | reinterpret_cast<const char16_t *>(interfaceName), |
Steven Moreland | ab2fca2 | 2016-11-11 12:33:41 -0800 | [diff] [blame] | 299 | env->GetStringLength(interfaceNameObj))); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 300 | |
| 301 | env->ReleaseStringCritical(interfaceNameObj, interfaceName); |
| 302 | interfaceName = NULL; |
| 303 | |
Andreas Huber | 9f02686 | 2016-11-03 15:46:04 -0700 | [diff] [blame] | 304 | hardware::Parcel *parcel = |
| 305 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 306 | |
Steven Moreland | ab2fca2 | 2016-11-11 12:33:41 -0800 | [diff] [blame] | 307 | bool valid = parcel->enforceInterface(interfaceNameCopy.string()); |
Andreas Huber | 9f02686 | 2016-11-03 15:46:04 -0700 | [diff] [blame] | 308 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 309 | if (!valid) { |
| 310 | jniThrowException( |
| 311 | env, |
| 312 | "java/lang/SecurityException", |
| 313 | "HWBinder invocation to an incorrect interface"); |
| 314 | } |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | #define DEFINE_PARCEL_WRITER(Suffix,Type) \ |
| 319 | static void JHwParcel_native_write ## Suffix( \ |
| 320 | JNIEnv *env, jobject thiz, Type val) { \ |
| 321 | hardware::Parcel *parcel = \ |
| 322 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); \ |
| 323 | \ |
| 324 | status_t err = parcel->write ## Suffix(val); \ |
| 325 | signalExceptionForError(env, err); \ |
| 326 | } |
| 327 | |
| 328 | #define DEFINE_PARCEL_READER(Suffix,Type) \ |
| 329 | static Type JHwParcel_native_read ## Suffix( \ |
| 330 | JNIEnv *env, jobject thiz) { \ |
| 331 | hardware::Parcel *parcel = \ |
| 332 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); \ |
| 333 | \ |
| 334 | Type val; \ |
| 335 | status_t err = parcel->read ## Suffix(&val); \ |
| 336 | signalExceptionForError(env, err); \ |
| 337 | \ |
| 338 | return val; \ |
| 339 | } |
| 340 | |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 341 | DEFINE_PARCEL_WRITER(Bool,jboolean) |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 342 | DEFINE_PARCEL_WRITER(Int8,jbyte) |
| 343 | DEFINE_PARCEL_WRITER(Int16,jshort) |
| 344 | DEFINE_PARCEL_WRITER(Int32,jint) |
| 345 | DEFINE_PARCEL_WRITER(Int64,jlong) |
| 346 | DEFINE_PARCEL_WRITER(Float,jfloat) |
| 347 | DEFINE_PARCEL_WRITER(Double,jdouble) |
| 348 | |
| 349 | DEFINE_PARCEL_READER(Int8,jbyte) |
| 350 | DEFINE_PARCEL_READER(Int16,jshort) |
| 351 | DEFINE_PARCEL_READER(Int32,jint) |
| 352 | DEFINE_PARCEL_READER(Int64,jlong) |
| 353 | DEFINE_PARCEL_READER(Float,jfloat) |
| 354 | DEFINE_PARCEL_READER(Double,jdouble) |
| 355 | |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 356 | static jboolean JHwParcel_native_readBool(JNIEnv *env, jobject thiz) { |
| 357 | hardware::Parcel *parcel = |
| 358 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 359 | |
| 360 | bool val; |
| 361 | status_t err = parcel->readBool(&val); |
| 362 | signalExceptionForError(env, err); |
| 363 | |
| 364 | return (jboolean)val; |
| 365 | } |
| 366 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 367 | static void JHwParcel_native_writeStatus( |
| 368 | JNIEnv *env, jobject thiz, jint statusCode) { |
| 369 | using hardware::Status; |
| 370 | |
| 371 | Status status; |
| 372 | switch (statusCode) { |
| 373 | case 0: // kStatusSuccess |
| 374 | status = Status::ok(); |
| 375 | break; |
| 376 | case -1: // kStatusError |
| 377 | status = Status::fromStatusT(UNKNOWN_ERROR); |
| 378 | break; |
| 379 | default: |
| 380 | CHECK(!"Should not be here"); |
| 381 | } |
| 382 | |
| 383 | hardware::Parcel *parcel = |
| 384 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 385 | |
Yifan Hong | ddf31f6 | 2016-11-15 16:02:40 -0800 | [diff] [blame] | 386 | status_t err = ::android::hardware::writeToParcel(status, parcel); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 387 | signalExceptionForError(env, err); |
| 388 | } |
| 389 | |
| 390 | static void JHwParcel_native_verifySuccess(JNIEnv *env, jobject thiz) { |
| 391 | using hardware::Status; |
| 392 | |
| 393 | hardware::Parcel *parcel = |
| 394 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 395 | |
| 396 | Status status; |
Yifan Hong | ddf31f6 | 2016-11-15 16:02:40 -0800 | [diff] [blame] | 397 | status_t err = ::android::hardware::readFromParcel(&status, *parcel); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 398 | signalExceptionForError(env, err); |
Steven Moreland | 2ef0cbd | 2018-01-17 13:26:35 -0800 | [diff] [blame] | 399 | |
| 400 | if (!status.isOk()) { |
| 401 | signalExceptionForError(env, UNKNOWN_ERROR, true /* canThrowRemoteException */); |
| 402 | } |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 403 | } |
| 404 | |
Martijn Coenen | 3d726d1 | 2017-03-16 18:46:42 +0100 | [diff] [blame] | 405 | static void JHwParcel_native_release( |
| 406 | JNIEnv *env, jobject thiz) { |
| 407 | JHwParcel::GetNativeContext(env, thiz)->setParcel(NULL, false /* assumeOwnership */); |
| 408 | } |
| 409 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 410 | static void JHwParcel_native_releaseTemporaryStorage( |
| 411 | JNIEnv *env, jobject thiz) { |
| 412 | JHwParcel::GetNativeContext(env, thiz)->getStorage()->release(env); |
| 413 | } |
| 414 | |
| 415 | static void JHwParcel_native_send(JNIEnv *env, jobject thiz) { |
| 416 | JHwParcel::GetNativeContext(env, thiz)->send(); |
| 417 | } |
| 418 | |
| 419 | static void JHwParcel_native_writeString( |
| 420 | JNIEnv *env, jobject thiz, jstring valObj) { |
| 421 | if (valObj == NULL) { |
| 422 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 423 | return; |
| 424 | } |
| 425 | |
| 426 | sp<JHwParcel> impl = JHwParcel::GetNativeContext(env, thiz); |
| 427 | |
| 428 | const hidl_string *s = |
| 429 | impl->getStorage()->allocTemporaryString(env, valObj); |
| 430 | |
| 431 | hardware::Parcel *parcel = impl->getParcel(); |
| 432 | |
| 433 | size_t parentHandle; |
| 434 | status_t err = parcel->writeBuffer(s, sizeof(*s), &parentHandle); |
| 435 | |
| 436 | if (err == OK) { |
Yifan Hong | 3bb6578 | 2016-11-11 17:20:54 -0800 | [diff] [blame] | 437 | err = ::android::hardware::writeEmbeddedToParcel( |
| 438 | *s, parcel, parentHandle, 0 /* parentOffset */); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | signalExceptionForError(env, err); |
| 442 | } |
| 443 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 444 | static void JHwParcel_native_writeNativeHandle(JNIEnv *env, jobject thiz, jobject valObj) { |
| 445 | sp<JHwParcel> impl = JHwParcel::GetNativeContext(env, thiz); |
| 446 | |
| 447 | EphemeralStorage *storage = impl->getStorage(); |
| 448 | native_handle_t *handle = JNativeHandle::MakeCppNativeHandle(env, valObj, storage); |
| 449 | |
| 450 | hardware::Parcel *parcel = impl->getParcel(); |
| 451 | status_t err = parcel->writeNativeHandleNoDup(handle); |
| 452 | |
| 453 | signalExceptionForError(env, err); |
| 454 | } |
| 455 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 456 | #define DEFINE_PARCEL_VECTOR_WRITER(Suffix,Type) \ |
| 457 | static void JHwParcel_native_write ## Suffix ## Vector( \ |
| 458 | JNIEnv *env, jobject thiz, Type ## Array valObj) { \ |
| 459 | if (valObj == NULL) { \ |
| 460 | jniThrowException(env, "java/lang/NullPointerException", NULL); \ |
| 461 | return; \ |
| 462 | } \ |
| 463 | \ |
| 464 | sp<JHwParcel> impl = JHwParcel::GetNativeContext(env, thiz); \ |
| 465 | \ |
| 466 | const hidl_vec<Type> *vec = \ |
| 467 | impl->getStorage()->allocTemporary ## Suffix ## Vector(env, valObj); \ |
| 468 | \ |
| 469 | hardware::Parcel *parcel = impl->getParcel(); \ |
| 470 | \ |
| 471 | size_t parentHandle; \ |
| 472 | status_t err = parcel->writeBuffer(vec, sizeof(*vec), &parentHandle); \ |
| 473 | \ |
| 474 | if (err == OK) { \ |
| 475 | size_t childHandle; \ |
| 476 | \ |
Yifan Hong | 3bb6578 | 2016-11-11 17:20:54 -0800 | [diff] [blame] | 477 | err = ::android::hardware::writeEmbeddedToParcel( \ |
| 478 | *vec, \ |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 479 | parcel, \ |
| 480 | parentHandle, \ |
| 481 | 0 /* parentOffset */, \ |
| 482 | &childHandle); \ |
| 483 | } \ |
| 484 | \ |
| 485 | signalExceptionForError(env, err); \ |
| 486 | } |
| 487 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 488 | DEFINE_PARCEL_VECTOR_WRITER(Int8,jbyte) |
| 489 | DEFINE_PARCEL_VECTOR_WRITER(Int16,jshort) |
| 490 | DEFINE_PARCEL_VECTOR_WRITER(Int32,jint) |
| 491 | DEFINE_PARCEL_VECTOR_WRITER(Int64,jlong) |
| 492 | DEFINE_PARCEL_VECTOR_WRITER(Float,jfloat) |
| 493 | DEFINE_PARCEL_VECTOR_WRITER(Double,jdouble) |
| 494 | |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 495 | static void JHwParcel_native_writeBoolVector( |
| 496 | JNIEnv *env, jobject thiz, jbooleanArray valObj) { |
| 497 | if (valObj == NULL) { |
| 498 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 499 | return; |
| 500 | } |
| 501 | |
| 502 | sp<JHwParcel> impl = JHwParcel::GetNativeContext(env, thiz); |
| 503 | |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 504 | void *vecPtr = |
| 505 | impl->getStorage()->allocTemporaryStorage(sizeof(hidl_vec<bool>)); |
| 506 | |
| 507 | hidl_vec<bool> *vec = new (vecPtr) hidl_vec<bool>; |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 508 | |
| 509 | jsize len = env->GetArrayLength(valObj); |
| 510 | |
| 511 | jboolean *src = env->GetBooleanArrayElements(valObj, nullptr); |
| 512 | |
| 513 | bool *dst = |
| 514 | (bool *)impl->getStorage()->allocTemporaryStorage(len * sizeof(bool)); |
| 515 | |
| 516 | for (jsize i = 0; i < len; ++i) { |
| 517 | dst[i] = src[i]; |
| 518 | } |
| 519 | |
| 520 | env->ReleaseBooleanArrayElements(valObj, src, 0 /* mode */); |
| 521 | src = nullptr; |
| 522 | |
| 523 | vec->setToExternal(dst, len); |
| 524 | |
| 525 | hardware::Parcel *parcel = impl->getParcel(); |
| 526 | |
| 527 | size_t parentHandle; |
| 528 | status_t err = parcel->writeBuffer(vec, sizeof(*vec), &parentHandle); |
| 529 | |
| 530 | if (err == OK) { |
| 531 | size_t childHandle; |
| 532 | |
Yifan Hong | 3bb6578 | 2016-11-11 17:20:54 -0800 | [diff] [blame] | 533 | err = ::android::hardware::writeEmbeddedToParcel( |
| 534 | *vec, |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 535 | parcel, |
| 536 | parentHandle, |
| 537 | 0 /* parentOffset */, |
| 538 | &childHandle); |
| 539 | } |
| 540 | |
| 541 | signalExceptionForError(env, err); |
| 542 | } |
| 543 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 544 | template<typename T> |
| 545 | static void WriteHidlVector(JNIEnv *env, jobject thiz, const hidl_vec<T> &vec) { |
| 546 | hardware::Parcel *parcel = JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 547 | |
| 548 | size_t parentHandle; |
| 549 | status_t err = parcel->writeBuffer(&vec, sizeof(vec), &parentHandle); |
| 550 | |
| 551 | if (err == OK) { |
| 552 | size_t childHandle; |
| 553 | err = ::android::hardware::writeEmbeddedToParcel( |
| 554 | vec, |
| 555 | parcel, |
| 556 | parentHandle, |
| 557 | 0 /* parentOffset */, |
| 558 | &childHandle); |
| 559 | |
| 560 | for (size_t i = 0; (err == OK) && (i < vec.size()); ++i) { |
| 561 | err = ::android::hardware::writeEmbeddedToParcel( |
| 562 | vec[i], |
| 563 | parcel, |
| 564 | childHandle, |
| 565 | i * sizeof(T)); |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | signalExceptionForError(env, err); |
| 570 | } |
| 571 | |
| 572 | static void JHwParcel_native_writeStringVector( |
| 573 | JNIEnv *env, jobject thiz, jobjectArray arrayObj) { |
| 574 | if (arrayObj == nullptr) { |
| 575 | jniThrowException(env, "java/lang/NullPointerException", nullptr); |
| 576 | return; |
| 577 | } |
| 578 | |
| 579 | sp<JHwParcel> impl = JHwParcel::GetNativeContext(env, thiz); |
| 580 | EphemeralStorage *storage = impl->getStorage(); |
| 581 | |
| 582 | void *vecPtr = storage->allocTemporaryStorage(sizeof(hidl_vec<hidl_string>)); |
| 583 | hidl_vec<hidl_string> *vec = new (vecPtr) hidl_vec<hidl_string>(); |
| 584 | |
| 585 | jsize len = env->GetArrayLength(arrayObj); |
| 586 | hidl_string *strings = storage->allocStringArray(len); |
| 587 | vec->setToExternal(strings, len, false /* shouldOwn */); |
| 588 | |
| 589 | for (jsize i = 0; i < len; ++i) { |
| 590 | ScopedLocalRef<jstring> stringObj(env, (jstring) env->GetObjectArrayElement(arrayObj, i)); |
| 591 | |
| 592 | const hidl_string *s = storage->allocTemporaryString(env, stringObj.get()); |
| 593 | strings[i].setToExternal(s->c_str(), s->size()); |
| 594 | } |
| 595 | |
| 596 | WriteHidlVector(env, thiz, *vec); |
| 597 | } |
| 598 | |
| 599 | static void JHwParcel_native_writeNativeHandleVector( |
| 600 | JNIEnv *env, jobject thiz, jobjectArray jHandleArray) { |
| 601 | if (jHandleArray == nullptr) { |
| 602 | jniThrowException(env, "java/lang/NullPointerException", nullptr); |
| 603 | return; |
| 604 | } |
| 605 | |
| 606 | sp<JHwParcel> impl = JHwParcel::GetNativeContext(env, thiz); |
| 607 | EphemeralStorage *storage = impl->getStorage(); |
| 608 | |
| 609 | void *vecPtr = storage->allocTemporaryStorage(sizeof(hidl_vec<hidl_handle>)); |
| 610 | hidl_vec<hidl_handle> *vec = new (vecPtr) hidl_vec<hidl_handle>(); |
| 611 | |
| 612 | jsize len = env->GetArrayLength(jHandleArray); |
| 613 | hidl_handle *handles = static_cast<hidl_handle *>( |
| 614 | storage->allocTemporaryStorage(len * sizeof(hidl_handle))); |
| 615 | |
| 616 | vec->setToExternal(handles, len, false /* shouldOwn */); |
| 617 | for (jsize i = 0; i < len; i++) { |
| 618 | ScopedLocalRef<jobject> jHandle(env, env->GetObjectArrayElement(jHandleArray, i)); |
| 619 | |
| 620 | native_handle_t* handle = JNativeHandle::MakeCppNativeHandle(env, jHandle.get(), storage); |
| 621 | |
| 622 | new (&(handles[i])) hidl_handle(); |
| 623 | handles[i].setTo(handle, false /* shouldOwn */); |
| 624 | } |
| 625 | |
| 626 | WriteHidlVector(env, thiz, *vec); |
| 627 | } |
| 628 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 629 | static void JHwParcel_native_writeStrongBinder( |
| 630 | JNIEnv *env, jobject thiz, jobject binderObj) { |
| 631 | sp<hardware::IBinder> binder; |
| 632 | if (binderObj != NULL) { |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 633 | ScopedLocalRef<jclass> hwBinderKlass(env, FindClassOrDie(env, PACKAGE_PATH "/HwBinder")); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 634 | |
| 635 | ScopedLocalRef<jclass> hwRemoteBinderKlass( |
| 636 | env, FindClassOrDie(env, PACKAGE_PATH "/HwRemoteBinder")); |
| 637 | |
| 638 | if (env->IsInstanceOf(binderObj, hwBinderKlass.get())) { |
Andreas Huber | 56bdb8a | 2017-06-16 14:56:12 -0700 | [diff] [blame] | 639 | binder = JHwBinder::GetNativeBinder(env, binderObj); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 640 | } else if (env->IsInstanceOf(binderObj, hwRemoteBinderKlass.get())) { |
| 641 | binder = JHwRemoteBinder::GetNativeContext( |
| 642 | env, binderObj)->getBinder(); |
| 643 | } else { |
| 644 | signalExceptionForError(env, INVALID_OPERATION); |
| 645 | return; |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | hardware::Parcel *parcel = |
| 650 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 651 | |
| 652 | status_t err = parcel->writeStrongBinder(binder); |
| 653 | signalExceptionForError(env, err); |
| 654 | } |
| 655 | |
Ytai Ben-Tsvi | 4659e18 | 2019-11-06 09:53:34 -0800 | [diff] [blame] | 656 | static void JHwParcel_native_writeHidlMemory( |
| 657 | JNIEnv *env, jobject thiz, jobject jmem) { |
| 658 | |
| 659 | if (jmem == nullptr) { |
| 660 | jniThrowException(env, "java/lang/NullPointerException", nullptr); |
| 661 | return; |
| 662 | } |
| 663 | |
| 664 | status_t err = OK; |
| 665 | |
| 666 | // Convert the Java object to its C++ counterpart. |
| 667 | const hardware::hidl_memory* cmem = JHidlMemory::fromJava(env, jmem); |
| 668 | if (cmem == nullptr) { |
| 669 | err = BAD_VALUE; |
| 670 | } |
| 671 | |
| 672 | if (err == OK) { |
| 673 | // Write it to the parcel. |
| 674 | hardware::Parcel* parcel = |
| 675 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 676 | |
| 677 | size_t parentHandle; |
| 678 | err = parcel->writeBuffer(cmem, sizeof(*cmem), &parentHandle); |
| 679 | if (err == OK) { |
| 680 | err = hardware::writeEmbeddedToParcel(*cmem, parcel, parentHandle, 0); |
| 681 | } |
| 682 | } |
| 683 | signalExceptionForError(env, err); |
| 684 | } |
| 685 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 686 | static jstring MakeStringObjFromHidlString(JNIEnv *env, const hidl_string &s) { |
| 687 | String16 utf16String(s.c_str(), s.size()); |
| 688 | |
| 689 | return env->NewString( |
| 690 | reinterpret_cast<const jchar *>(utf16String.string()), |
| 691 | utf16String.size()); |
| 692 | } |
| 693 | |
| 694 | static jstring JHwParcel_native_readString(JNIEnv *env, jobject thiz) { |
| 695 | hardware::Parcel *parcel = |
| 696 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 697 | |
| 698 | size_t parentHandle; |
| 699 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 700 | const hidl_string *s; |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 701 | status_t err = parcel->readBuffer(sizeof(*s), &parentHandle, |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 702 | reinterpret_cast<const void**>(&s)); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 703 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 704 | if (err != OK) { |
| 705 | signalExceptionForError(env, err); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 706 | return NULL; |
| 707 | } |
| 708 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 709 | err = ::android::hardware::readEmbeddedFromParcel( |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 710 | const_cast<hidl_string &>(*s), |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 711 | *parcel, parentHandle, 0 /* parentOffset */); |
| 712 | |
| 713 | if (err != OK) { |
| 714 | signalExceptionForError(env, err); |
| 715 | return NULL; |
| 716 | } |
| 717 | |
| 718 | return MakeStringObjFromHidlString(env, *s); |
| 719 | } |
| 720 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 721 | static jobject ReadNativeHandle(JNIEnv *env, jobject thiz, jboolean embedded, |
| 722 | jlong parentHandle, jlong offset) { |
| 723 | hardware::Parcel *parcel = |
| 724 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 725 | |
| 726 | const native_handle_t *handle = nullptr; |
| 727 | status_t err = OK; |
| 728 | |
| 729 | if (embedded) { |
| 730 | err = parcel->readNullableEmbeddedNativeHandle(parentHandle, offset, &handle); |
| 731 | } else { |
| 732 | err = parcel->readNullableNativeHandleNoDup(&handle); |
| 733 | } |
| 734 | |
| 735 | if (err != OK) { |
| 736 | signalExceptionForError(env, err); |
| 737 | return nullptr; |
| 738 | } |
| 739 | |
| 740 | return JNativeHandle::MakeJavaNativeHandleObj(env, handle); |
| 741 | } |
| 742 | |
| 743 | static jobject JHwParcel_native_readNativeHandle(JNIEnv *env, jobject thiz) { |
| 744 | return ReadNativeHandle(env, thiz, false /*embedded*/, 0L /*parentHandle*/, 0L /*offset*/); |
| 745 | } |
| 746 | |
| 747 | static jobject JHwParcel_native_readEmbeddedNativeHandle( |
| 748 | JNIEnv *env, jobject thiz, jlong parentHandle, jlong offset) { |
| 749 | return ReadNativeHandle(env, thiz, true /*embedded*/, parentHandle, offset); |
| 750 | } |
| 751 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 752 | #define DEFINE_PARCEL_VECTOR_READER(Suffix,Type,NewType) \ |
| 753 | static Type ## Array JHwParcel_native_read ## Suffix ## Vector( \ |
| 754 | JNIEnv *env, jobject thiz) { \ |
| 755 | hardware::Parcel *parcel = \ |
| 756 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); \ |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 757 | size_t parentHandle; \ |
| 758 | \ |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 759 | const hidl_vec<Type> *vec; \ |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 760 | status_t err = parcel->readBuffer(sizeof(*vec), &parentHandle, \ |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 761 | reinterpret_cast<const void**>(&vec)); \ |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 762 | \ |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 763 | if (err != OK) { \ |
| 764 | signalExceptionForError(env, err); \ |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 765 | return NULL; \ |
| 766 | } \ |
| 767 | \ |
| 768 | size_t childHandle; \ |
| 769 | \ |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 770 | err = ::android::hardware::readEmbeddedFromParcel( \ |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 771 | const_cast<hidl_vec<Type> &>(*vec), \ |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 772 | *parcel, \ |
| 773 | parentHandle, \ |
| 774 | 0 /* parentOffset */, \ |
| 775 | &childHandle); \ |
| 776 | \ |
| 777 | if (err != OK) { \ |
| 778 | signalExceptionForError(env, err); \ |
| 779 | return NULL; \ |
| 780 | } \ |
| 781 | \ |
| 782 | Type ## Array valObj = env->New ## NewType ## Array(vec->size()); \ |
| 783 | env->Set ## NewType ## ArrayRegion(valObj, 0, vec->size(), &(*vec)[0]); \ |
| 784 | \ |
| 785 | return valObj; \ |
| 786 | } |
| 787 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 788 | DEFINE_PARCEL_VECTOR_READER(Int8,jbyte,Byte) |
| 789 | DEFINE_PARCEL_VECTOR_READER(Int16,jshort,Short) |
| 790 | DEFINE_PARCEL_VECTOR_READER(Int32,jint,Int) |
| 791 | DEFINE_PARCEL_VECTOR_READER(Int64,jlong,Long) |
| 792 | DEFINE_PARCEL_VECTOR_READER(Float,jfloat,Float) |
| 793 | DEFINE_PARCEL_VECTOR_READER(Double,jdouble,Double) |
| 794 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 795 | static jbooleanArray JHwParcel_native_readBoolVector(JNIEnv *env, jobject thiz) { |
| 796 | hardware::Parcel *parcel = JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 797 | |
| 798 | size_t parentHandle; |
| 799 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 800 | const hidl_vec<bool> *vec; |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 801 | status_t err = parcel->readBuffer(sizeof(*vec), &parentHandle, |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 802 | reinterpret_cast<const void**>(&vec)); |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 803 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 804 | if (err != OK) { |
| 805 | signalExceptionForError(env, err); |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 806 | return NULL; |
| 807 | } |
| 808 | |
| 809 | size_t childHandle; |
| 810 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 811 | err = ::android::hardware::readEmbeddedFromParcel( |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 812 | const_cast<hidl_vec<bool> &>(*vec), |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 813 | *parcel, |
| 814 | parentHandle, |
| 815 | 0 /* parentOffset */, |
| 816 | &childHandle); |
| 817 | |
| 818 | if (err != OK) { |
| 819 | signalExceptionForError(env, err); |
| 820 | return NULL; |
| 821 | } |
| 822 | |
| 823 | jbooleanArray valObj = env->NewBooleanArray(vec->size()); |
| 824 | |
| 825 | for (size_t i = 0; i < vec->size(); ++i) { |
| 826 | jboolean x = (*vec)[i]; |
| 827 | env->SetBooleanArrayRegion(valObj, i, 1, &x); |
| 828 | } |
| 829 | |
| 830 | return valObj; |
| 831 | } |
| 832 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 833 | static jobjectArray MakeStringArray( |
| 834 | JNIEnv *env, const hidl_string *array, size_t size) { |
| 835 | ScopedLocalRef<jclass> stringKlass( |
| 836 | env, |
| 837 | env->FindClass("java/lang/String")); |
| 838 | |
| 839 | // XXX Why can't I use ScopedLocalRef<> for the arrayObj and the stringObjs? |
| 840 | |
| 841 | jobjectArray arrayObj = env->NewObjectArray(size, stringKlass.get(), NULL); |
| 842 | |
| 843 | for (size_t i = 0; i < size; ++i) { |
| 844 | jstring stringObj = MakeStringObjFromHidlString(env, array[i]); |
| 845 | |
| 846 | env->SetObjectArrayElement( |
| 847 | arrayObj, |
| 848 | i, |
| 849 | stringObj); |
| 850 | } |
| 851 | |
| 852 | return arrayObj; |
| 853 | } |
| 854 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 855 | template<typename T> |
| 856 | static const hidl_vec<T> *ReadHidlVector(JNIEnv *env, jobject thiz) { |
| 857 | const hidl_vec<T> *vec; |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 858 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 859 | hardware::Parcel *parcel = JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 860 | |
| 861 | size_t parentHandle; |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 862 | status_t err = parcel->readBuffer(sizeof(hidl_vec<T>), |
| 863 | &parentHandle, reinterpret_cast<const void **>(&vec)); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 864 | |
| 865 | if (err == OK) { |
| 866 | size_t childHandle; |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 867 | err = ::android::hardware::readEmbeddedFromParcel( |
| 868 | const_cast<hidl_vec<T> &>(*vec), |
| 869 | *parcel, parentHandle, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 870 | 0 /* parentOffset */, |
| 871 | &childHandle); |
| 872 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 873 | for (size_t i = 0; (err == OK) && (i < vec->size()); i++) { |
| 874 | err = android::hardware::readEmbeddedFromParcel( |
| 875 | const_cast<T &>((*vec)[i]), |
| 876 | *parcel, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 877 | childHandle, |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 878 | i * sizeof(T) /* parentOffset */); |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 879 | } |
| 880 | } |
| 881 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 882 | if (err != OK) { |
| 883 | signalExceptionForError(env, err); |
| 884 | return nullptr; |
| 885 | } |
| 886 | |
| 887 | return vec; |
| 888 | } |
| 889 | |
| 890 | static jobjectArray JHwParcel_native_readStringVector( |
| 891 | JNIEnv *env, jobject thiz) { |
| 892 | const hidl_vec<hidl_string> *vec = ReadHidlVector<hidl_string>(env, thiz); |
| 893 | return MakeStringArray(env, &(*vec)[0], vec->size()); |
| 894 | } |
| 895 | |
| 896 | static jobjectArray JHwParcel_native_readNativeHandleVector( |
| 897 | JNIEnv *env, jobject thiz) { |
| 898 | const hidl_vec<hidl_handle> *vec = ReadHidlVector<hidl_handle>(env, thiz); |
| 899 | |
| 900 | jsize length = vec->size(); |
| 901 | jobjectArray objArray = JNativeHandle::AllocJavaNativeHandleObjArray( |
| 902 | env, length); |
| 903 | |
| 904 | for (jsize i = 0; i < length; i++) { |
| 905 | jobject jHandle = JNativeHandle::MakeJavaNativeHandleObj(env, (*vec)[i].getNativeHandle()); |
| 906 | |
| 907 | env->SetObjectArrayElement(objArray, i, jHandle); |
| 908 | } |
| 909 | |
| 910 | return objArray; |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 911 | } |
| 912 | |
Ytai Ben-Tsvi | 4659e18 | 2019-11-06 09:53:34 -0800 | [diff] [blame] | 913 | static status_t readEmbeddedHidlMemory(JNIEnv* env, |
| 914 | hardware::Parcel* parcel, |
| 915 | const hardware::hidl_memory& mem, |
| 916 | size_t parentHandle, |
| 917 | size_t parentOffset, |
| 918 | jobject* result) { |
| 919 | status_t err = hardware::readEmbeddedFromParcel(mem, |
| 920 | *parcel, |
| 921 | parentHandle, |
| 922 | parentOffset); |
| 923 | if (err == OK) { |
| 924 | // Convert to Java. |
| 925 | *result = JHidlMemory::toJava(env, mem); |
| 926 | if (*result == nullptr) { |
| 927 | err = BAD_VALUE; |
| 928 | } |
| 929 | } |
| 930 | return err; |
| 931 | } |
| 932 | |
| 933 | static jobject JHwParcel_native_readHidlMemory( |
| 934 | JNIEnv* env, jobject thiz) { |
| 935 | hardware::Parcel* parcel = |
| 936 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 937 | |
| 938 | jobject result = nullptr; |
| 939 | |
| 940 | const hardware::hidl_memory* mem; |
| 941 | size_t parentHandle; |
| 942 | |
| 943 | status_t err = parcel->readBuffer(sizeof(*mem), |
| 944 | &parentHandle, |
| 945 | reinterpret_cast<const void**>(&mem)); |
| 946 | if (err == OK) { |
| 947 | err = readEmbeddedHidlMemory(env, |
| 948 | parcel, |
| 949 | *mem, |
| 950 | parentHandle, |
| 951 | 0, |
| 952 | &result); |
| 953 | } |
| 954 | |
| 955 | signalExceptionForError(env, err); |
| 956 | return result; |
| 957 | } |
| 958 | |
| 959 | static jobject JHwParcel_native_readEmbeddedHidlMemory( |
| 960 | JNIEnv* env, |
| 961 | jobject thiz, |
| 962 | jlong fieldHandle, |
| 963 | jlong parentHandle, |
| 964 | jlong offset) { |
| 965 | hardware::Parcel* parcel = |
| 966 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 967 | |
| 968 | jobject result = nullptr; |
| 969 | const hardware::hidl_memory* mem = |
| 970 | reinterpret_cast<const hardware::hidl_memory*>(fieldHandle); |
| 971 | status_t err = readEmbeddedHidlMemory(env, |
| 972 | parcel, |
| 973 | *mem, |
| 974 | parentHandle, |
| 975 | offset, |
| 976 | &result); |
| 977 | signalExceptionForError(env, err); |
| 978 | return result; |
| 979 | } |
| 980 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 981 | static jobject JHwParcel_native_readStrongBinder(JNIEnv *env, jobject thiz) { |
| 982 | hardware::Parcel *parcel = |
| 983 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 984 | |
| 985 | sp<hardware::IBinder> binder = parcel->readStrongBinder(); |
| 986 | |
Steven Moreland | 47942d9 | 2019-04-08 19:22:11 -0700 | [diff] [blame] | 987 | if (binder == nullptr) { |
| 988 | return nullptr; |
| 989 | } |
| 990 | |
| 991 | if (!validateCanUseHwBinder(binder)) { |
| 992 | return nullptr; |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 993 | } |
| 994 | |
| 995 | return JHwRemoteBinder::NewObject(env, binder); |
| 996 | } |
| 997 | |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 998 | static jobject JHwParcel_native_readBuffer(JNIEnv *env, jobject thiz, |
| 999 | jlong expectedSize) { |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1000 | hardware::Parcel *parcel = |
| 1001 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 1002 | |
| 1003 | size_t handle; |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 1004 | const void *ptr; |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 1005 | |
| 1006 | if (expectedSize < 0) { |
| 1007 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 1008 | return nullptr; |
| 1009 | } |
| 1010 | |
| 1011 | status_t status = parcel->readBuffer(expectedSize, &handle, &ptr); |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1012 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 1013 | if (status != OK) { |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1014 | jniThrowException(env, "java/util/NoSuchElementException", NULL); |
| 1015 | return nullptr; |
| 1016 | } |
| 1017 | |
| 1018 | return JHwBlob::NewObject(env, ptr, handle); |
| 1019 | } |
| 1020 | |
| 1021 | static jobject JHwParcel_native_readEmbeddedBuffer( |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 1022 | JNIEnv *env, jobject thiz, jlong expectedSize, |
| 1023 | jlong parentHandle, jlong offset, jboolean nullable) { |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1024 | hardware::Parcel *parcel = |
| 1025 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 1026 | |
| 1027 | size_t childHandle; |
| 1028 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 1029 | const void *ptr; |
| 1030 | status_t status = |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 1031 | parcel->readNullableEmbeddedBuffer(expectedSize, |
| 1032 | &childHandle, parentHandle, offset, &ptr); |
| 1033 | |
| 1034 | if (expectedSize < 0) { |
| 1035 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 1036 | return nullptr; |
| 1037 | } |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1038 | |
Martijn Coenen | 24c8227 | 2017-01-11 12:35:56 +0100 | [diff] [blame] | 1039 | if (status != OK) { |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1040 | jniThrowException(env, "java/util/NoSuchElementException", NULL); |
| 1041 | return 0; |
Martijn Coenen | 14fae06 | 2017-01-13 11:08:51 +0100 | [diff] [blame] | 1042 | } else if (status == OK && !nullable && ptr == nullptr) { |
| 1043 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 1044 | return 0; |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1045 | } |
| 1046 | |
| 1047 | return JHwBlob::NewObject(env, ptr, childHandle); |
| 1048 | } |
| 1049 | |
| 1050 | static void JHwParcel_native_writeBuffer( |
| 1051 | JNIEnv *env, jobject thiz, jobject blobObj) { |
| 1052 | if (blobObj == nullptr) { |
| 1053 | jniThrowException(env, "java/lang/NullPointerException", NULL); |
| 1054 | return; |
| 1055 | } |
| 1056 | |
| 1057 | hardware::Parcel *parcel = |
| 1058 | JHwParcel::GetNativeContext(env, thiz)->getParcel(); |
| 1059 | |
| 1060 | sp<JHwBlob> blob = JHwBlob::GetNativeContext(env, blobObj); |
| 1061 | status_t err = blob->writeToParcel(parcel); |
| 1062 | |
| 1063 | if (err != OK) { |
| 1064 | signalExceptionForError(env, err); |
| 1065 | } |
| 1066 | } |
| 1067 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1068 | static JNINativeMethod gMethods[] = { |
| 1069 | { "native_init", "()J", (void *)JHwParcel_native_init }, |
| 1070 | { "native_setup", "(Z)V", (void *)JHwParcel_native_setup }, |
| 1071 | |
| 1072 | { "writeInterfaceToken", "(Ljava/lang/String;)V", |
| 1073 | (void *)JHwParcel_native_writeInterfaceToken }, |
| 1074 | |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 1075 | { "writeBool", "(Z)V", (void *)JHwParcel_native_writeBool }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1076 | { "writeInt8", "(B)V", (void *)JHwParcel_native_writeInt8 }, |
| 1077 | { "writeInt16", "(S)V", (void *)JHwParcel_native_writeInt16 }, |
| 1078 | { "writeInt32", "(I)V", (void *)JHwParcel_native_writeInt32 }, |
| 1079 | { "writeInt64", "(J)V", (void *)JHwParcel_native_writeInt64 }, |
| 1080 | { "writeFloat", "(F)V", (void *)JHwParcel_native_writeFloat }, |
| 1081 | { "writeDouble", "(D)V", (void *)JHwParcel_native_writeDouble }, |
| 1082 | |
| 1083 | { "writeString", "(Ljava/lang/String;)V", |
| 1084 | (void *)JHwParcel_native_writeString }, |
| 1085 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 1086 | { "writeNativeHandle", "(L" PACKAGE_PATH "/NativeHandle;)V", |
| 1087 | (void *)JHwParcel_native_writeNativeHandle }, |
| 1088 | |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 1089 | { "writeBoolVector", "([Z)V", (void *)JHwParcel_native_writeBoolVector }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1090 | { "writeInt8Vector", "([B)V", (void *)JHwParcel_native_writeInt8Vector }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1091 | { "writeInt16Vector", "([S)V", (void *)JHwParcel_native_writeInt16Vector }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1092 | { "writeInt32Vector", "([I)V", (void *)JHwParcel_native_writeInt32Vector }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1093 | { "writeInt64Vector", "([J)V", (void *)JHwParcel_native_writeInt64Vector }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1094 | { "writeFloatVector", "([F)V", (void *)JHwParcel_native_writeFloatVector }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1095 | |
| 1096 | { "writeDoubleVector", "([D)V", |
| 1097 | (void *)JHwParcel_native_writeDoubleVector }, |
| 1098 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1099 | { "writeStringVector", "([Ljava/lang/String;)V", |
| 1100 | (void *)JHwParcel_native_writeStringVector }, |
| 1101 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 1102 | { "writeNativeHandleVector", "([L" PACKAGE_PATH "/NativeHandle;)V", |
| 1103 | (void *)JHwParcel_native_writeNativeHandleVector }, |
| 1104 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1105 | { "writeStrongBinder", "(L" PACKAGE_PATH "/IHwBinder;)V", |
| 1106 | (void *)JHwParcel_native_writeStrongBinder }, |
| 1107 | |
| 1108 | { "enforceInterface", "(Ljava/lang/String;)V", |
| 1109 | (void *)JHwParcel_native_enforceInterface }, |
| 1110 | |
Andreas Huber | 86635bb | 2016-08-24 16:19:03 -0700 | [diff] [blame] | 1111 | { "readBool", "()Z", (void *)JHwParcel_native_readBool }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1112 | { "readInt8", "()B", (void *)JHwParcel_native_readInt8 }, |
| 1113 | { "readInt16", "()S", (void *)JHwParcel_native_readInt16 }, |
| 1114 | { "readInt32", "()I", (void *)JHwParcel_native_readInt32 }, |
| 1115 | { "readInt64", "()J", (void *)JHwParcel_native_readInt64 }, |
| 1116 | { "readFloat", "()F", (void *)JHwParcel_native_readFloat }, |
| 1117 | { "readDouble", "()D", (void *)JHwParcel_native_readDouble }, |
| 1118 | |
| 1119 | { "readString", "()Ljava/lang/String;", |
| 1120 | (void *)JHwParcel_native_readString }, |
| 1121 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 1122 | { "readNativeHandle", "()L" PACKAGE_PATH "/NativeHandle;", |
| 1123 | (void *)JHwParcel_native_readNativeHandle }, |
| 1124 | |
| 1125 | { "readEmbeddedNativeHandle", "(JJ)L" PACKAGE_PATH "/NativeHandle;", |
| 1126 | (void *)JHwParcel_native_readEmbeddedNativeHandle }, |
| 1127 | |
Andreas Huber | ef1a565 | 2016-10-18 09:24:04 -0700 | [diff] [blame] | 1128 | { "readBoolVectorAsArray", "()[Z", |
| 1129 | (void *)JHwParcel_native_readBoolVector }, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1130 | |
Andreas Huber | ef1a565 | 2016-10-18 09:24:04 -0700 | [diff] [blame] | 1131 | { "readInt8VectorAsArray", "()[B", |
| 1132 | (void *)JHwParcel_native_readInt8Vector }, |
| 1133 | |
| 1134 | { "readInt16VectorAsArray", "()[S", |
| 1135 | (void *)JHwParcel_native_readInt16Vector }, |
| 1136 | |
| 1137 | { "readInt32VectorAsArray", "()[I", |
| 1138 | (void *)JHwParcel_native_readInt32Vector }, |
| 1139 | |
| 1140 | { "readInt64VectorAsArray", "()[J", |
| 1141 | (void *)JHwParcel_native_readInt64Vector }, |
| 1142 | |
| 1143 | { "readFloatVectorAsArray", "()[F", |
| 1144 | (void *)JHwParcel_native_readFloatVector }, |
| 1145 | |
| 1146 | { "readDoubleVectorAsArray", "()[D", |
| 1147 | (void *)JHwParcel_native_readDoubleVector }, |
| 1148 | |
| 1149 | { "readStringVectorAsArray", "()[Ljava/lang/String;", |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1150 | (void *)JHwParcel_native_readStringVector }, |
| 1151 | |
Nirav Atre | 9850dd9 | 2018-07-24 17:03:44 -0700 | [diff] [blame] | 1152 | { "readNativeHandleAsArray", "()[L" PACKAGE_PATH "/NativeHandle;", |
| 1153 | (void *)JHwParcel_native_readNativeHandleVector }, |
| 1154 | |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1155 | { "readStrongBinder", "()L" PACKAGE_PATH "/IHwBinder;", |
| 1156 | (void *)JHwParcel_native_readStrongBinder }, |
| 1157 | |
| 1158 | { "writeStatus", "(I)V", (void *)JHwParcel_native_writeStatus }, |
| 1159 | |
| 1160 | { "verifySuccess", "()V", (void *)JHwParcel_native_verifySuccess }, |
| 1161 | |
| 1162 | { "releaseTemporaryStorage", "()V", |
| 1163 | (void *)JHwParcel_native_releaseTemporaryStorage }, |
| 1164 | |
| 1165 | { "send", "()V", (void *)JHwParcel_native_send }, |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1166 | |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 1167 | { "readBuffer", "(J)L" PACKAGE_PATH "/HwBlob;", |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1168 | (void *)JHwParcel_native_readBuffer }, |
| 1169 | |
Martijn Coenen | 7c00639 | 2017-04-18 15:54:43 -0700 | [diff] [blame] | 1170 | { "readEmbeddedBuffer", "(JJJZ)L" PACKAGE_PATH "/HwBlob;", |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 1171 | (void *)JHwParcel_native_readEmbeddedBuffer }, |
| 1172 | |
| 1173 | { "writeBuffer", "(L" PACKAGE_PATH "/HwBlob;)V", |
| 1174 | (void *)JHwParcel_native_writeBuffer }, |
Martijn Coenen | 3d726d1 | 2017-03-16 18:46:42 +0100 | [diff] [blame] | 1175 | |
| 1176 | { "release", "()V", |
| 1177 | (void *)JHwParcel_native_release }, |
| 1178 | |
Ytai Ben-Tsvi | 4659e18 | 2019-11-06 09:53:34 -0800 | [diff] [blame] | 1179 | {"writeHidlMemory", "(L" PACKAGE_PATH "/HidlMemory;)V", |
| 1180 | (void*) JHwParcel_native_writeHidlMemory}, |
| 1181 | |
| 1182 | {"readHidlMemory", "()L" PACKAGE_PATH "/HidlMemory;", |
| 1183 | (void*) JHwParcel_native_readHidlMemory}, |
| 1184 | |
| 1185 | {"readEmbeddedHidlMemory", "(JJJ)L" PACKAGE_PATH "/HidlMemory;", |
| 1186 | (void*) JHwParcel_native_readEmbeddedHidlMemory}, |
Andreas Huber | dab5fc6 | 2016-08-15 09:25:02 -0700 | [diff] [blame] | 1187 | }; |
| 1188 | |
| 1189 | namespace android { |
| 1190 | |
| 1191 | int register_android_os_HwParcel(JNIEnv *env) { |
| 1192 | return RegisterMethodsOrDie(env, CLASS_PATH, gMethods, NELEM(gMethods)); |
| 1193 | } |
| 1194 | |
| 1195 | } // namespace android |