Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -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 | #ifndef ANDROID_OS_HW_BLOB_H |
| 18 | #define ANDROID_OS_HW_BLOB_H |
| 19 | |
| 20 | #include <android-base/macros.h> |
| 21 | #include <jni.h> |
| 22 | #include <hidl/HidlSupport.h> |
Yifan Hong | ddf31f6 | 2016-11-15 16:02:40 -0800 | [diff] [blame] | 23 | #include <hwbinder/Parcel.h> |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 24 | #include <utils/RefBase.h> |
| 25 | #include <utils/Vector.h> |
| 26 | |
| 27 | namespace android { |
| 28 | |
| 29 | struct JHwBlob : public RefBase { |
| 30 | static void InitClass(JNIEnv *env); |
| 31 | |
| 32 | static sp<JHwBlob> SetNativeContext( |
| 33 | JNIEnv *env, jobject thiz, const sp<JHwBlob> &context); |
| 34 | |
| 35 | static sp<JHwBlob> GetNativeContext(JNIEnv *env, jobject thiz); |
| 36 | |
| 37 | static jobject NewObject(JNIEnv *env, const void *ptr, size_t handle); |
| 38 | static jobject NewObject(JNIEnv *env, size_t size); |
| 39 | |
| 40 | JHwBlob(JNIEnv *env, jobject thiz, size_t size); |
| 41 | |
| 42 | void setTo(const void *ptr, size_t handle); |
| 43 | |
| 44 | status_t getHandle(size_t *handle) const; |
| 45 | |
| 46 | status_t read(size_t offset, void *data, size_t size) const; |
| 47 | status_t write(size_t offset, const void *data, size_t size); |
| 48 | |
| 49 | status_t getString( |
| 50 | size_t offset, const android::hardware::hidl_string **s) const; |
| 51 | |
| 52 | const void *data() const; |
| 53 | size_t size() const; |
| 54 | |
| 55 | status_t putBlob(size_t offset, const sp<JHwBlob> &blob); |
| 56 | |
| 57 | status_t writeToParcel(hardware::Parcel *parcel) const; |
| 58 | |
| 59 | status_t writeEmbeddedToParcel( |
| 60 | hardware::Parcel *parcel, |
| 61 | size_t parentHandle, |
| 62 | size_t parentOffset) const; |
| 63 | |
| 64 | protected: |
| 65 | virtual ~JHwBlob(); |
| 66 | |
| 67 | private: |
| 68 | struct BlobInfo { |
| 69 | size_t mOffset; |
| 70 | sp<JHwBlob> mBlob; |
| 71 | }; |
| 72 | |
Andreas Huber | 9266f99 | 2016-08-25 11:21:21 -0700 | [diff] [blame] | 73 | void *mBuffer; |
| 74 | size_t mSize; |
| 75 | bool mOwnsBuffer; |
| 76 | |
| 77 | size_t mHandle; |
| 78 | |
| 79 | Vector<BlobInfo> mSubBlobs; |
| 80 | |
| 81 | DISALLOW_COPY_AND_ASSIGN(JHwBlob); |
| 82 | }; |
| 83 | |
| 84 | int register_android_os_HwBlob(JNIEnv *env); |
| 85 | |
| 86 | } // namespace android |
| 87 | |
| 88 | #endif // ANDROID_OS_HW_BLOB_H |
| 89 | |