| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_FRAMEWORKS_BUFFERHUB_V1_0_BUFFER_CLIENT_H |
| #define ANDROID_FRAMEWORKS_BUFFERHUB_V1_0_BUFFER_CLIENT_H |
| |
| #include <mutex> |
| |
| #include <android/frameworks/bufferhub/1.0/IBufferClient.h> |
| #include <bufferhub/BufferNode.h> |
| |
| namespace android { |
| namespace frameworks { |
| namespace bufferhub { |
| namespace V1_0 { |
| namespace implementation { |
| |
| using hardware::hidl_handle; |
| using hardware::Return; |
| |
| // Forward declaration to avoid circular dependency |
| class BufferHubService; |
| |
| class BufferClient : public IBufferClient { |
| public: |
| // Creates a server-side buffer client from an existing BufferNode. Note that |
| // this function takes ownership of the shared_ptr. |
| // Returns a raw pointer to the BufferClient on success, nullptr on failure. |
| static BufferClient* create(BufferHubService* service, const std::shared_ptr<BufferNode>& node); |
| |
| // Creates a BufferClient from an existing BufferClient. Will share the same BufferNode. |
| explicit BufferClient(const BufferClient& other) |
| : mService(other.mService), mBufferNode(other.mBufferNode) {} |
| ~BufferClient(); |
| |
| Return<BufferHubStatus> close() override; |
| Return<void> duplicate(duplicate_cb _hidl_cb) override; |
| |
| // Non-binder functions |
| const std::shared_ptr<BufferNode>& getBufferNode() const { return mBufferNode; } |
| |
| private: |
| BufferClient(wp<BufferHubService> service, const std::shared_ptr<BufferNode>& node) |
| : mService(service), mBufferNode(node) {} |
| |
| sp<BufferHubService> getService(); |
| |
| wp<BufferHubService> mService; |
| |
| std::mutex mClosedMutex; |
| bool mClosed GUARDED_BY(mClosedMutex) = false; |
| |
| std::shared_ptr<BufferNode> mBufferNode; |
| }; |
| |
| } // namespace implementation |
| } // namespace V1_0 |
| } // namespace bufferhub |
| } // namespace frameworks |
| } // namespace android |
| |
| #endif |