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