Change-Id: If7a4a38004f50b4d43a2fae4781f541fe322c249gugelfrei
Sungtak Lee
6 years ago
parent
4cc873cc1d
commit
c7f9e2c21a
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Observer.h"
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namespace android {
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namespace hardware {
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namespace media {
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namespace bufferpool {
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namespace V2_0 {
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namespace implementation {
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Observer::Observer() {
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}
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Observer::~Observer() {
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}
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// Methods from ::android::hardware::media::bufferpool::V2_0::IObserver follow.
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Return<void> Observer::onMessage(int64_t connectionId, uint32_t msgId) {
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std::unique_lock<std::mutex> lock(mLock);
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auto it = mClients.find(connectionId);
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if (it != mClients.end()) {
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const std::shared_ptr<BufferPoolClient> client = it->second.lock();
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if (!client) {
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mClients.erase(it);
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} else {
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lock.unlock();
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client->receiveInvalidation(msgId);
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}
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}
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return Void();
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}
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void Observer::addClient(ConnectionId connectionId,
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const std::weak_ptr<BufferPoolClient> &wclient) {
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std::lock_guard<std::mutex> lock(mLock);
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for (auto it = mClients.begin(); it != mClients.end();) {
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if (!it->second.lock() || it->first == connectionId) {
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it = mClients.erase(it);
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} else {
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++it;
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}
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}
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mClients.insert(std::make_pair(connectionId, wclient));
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}
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void Observer::delClient(ConnectionId connectionId) {
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std::lock_guard<std::mutex> lock(mLock);
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mClients.erase(connectionId);
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}
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} // namespace implementation
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} // namespace V2_0
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} // namespace bufferpool
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} // namespace media
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} // namespace hardware
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} // namespace android
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@ -0,0 +1,67 @@
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_MEDIA_BUFFERPOOL_V2_0_OBSERVER_H
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#define ANDROID_HARDWARE_MEDIA_BUFFERPOOL_V2_0_OBSERVER_H
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#include <android/hardware/media/bufferpool/2.0/IObserver.h>
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#include <hidl/MQDescriptor.h>
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#include <hidl/Status.h>
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#include "BufferPoolClient.h"
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namespace android {
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namespace hardware {
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namespace media {
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namespace bufferpool {
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namespace V2_0 {
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namespace implementation {
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using ::android::hardware::hidl_array;
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using ::android::hardware::hidl_memory;
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::sp;
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struct Observer : public IObserver {
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// Methods from ::android::hardware::media::bufferpool::V2_0::IObserver follow.
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Return<void> onMessage(int64_t connectionId, uint32_t msgId) override;
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~Observer();
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void addClient(ConnectionId connectionId,
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const std::weak_ptr<BufferPoolClient> &wclient);
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void delClient(ConnectionId connectionId);
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private:
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Observer();
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friend struct ClientManager;
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std::mutex mLock;
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std::map<ConnectionId, const std::weak_ptr<BufferPoolClient>> mClients;
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};
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} // namespace implementation
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} // namespace V2_0
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} // namespace bufferpool
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} // namespace media
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} // namespace hardware
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} // namespace android
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#endif // ANDROID_HARDWARE_MEDIA_BUFFERPOOL_V2_0_OBSERVER_H
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