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/*
* 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.
*/
#include <bufferhub/BufferClient.h>
#include <bufferhub/BufferHubService.h>
#include <hidl/HidlSupport.h>
namespace android {
namespace frameworks {
namespace bufferhub {
namespace V1_0 {
namespace implementation {
using hardware::hidl_handle;
using hardware::Void;
BufferClient* BufferClient::create(BufferHubService* service,
const std::shared_ptr<BufferNode>& node) {
if (!service) {
ALOGE("%s: service cannot be nullptr.", __FUNCTION__);
return nullptr;
} else if (!node) {
ALOGE("%s: node cannot be nullptr.", __FUNCTION__);
return nullptr;
}
return new BufferClient(service, node);
}
Return<void> BufferClient::duplicate(duplicate_cb _hidl_cb) {
if (!mBufferNode) {
// Should never happen
ALOGE("%s: node is missing.", __FUNCTION__);
_hidl_cb(/*token=*/hidl_handle(), /*status=*/BufferHubStatus::BUFFER_FREED);
return Void();
}
sp<BufferHubService> service = mService.promote();
if (service == nullptr) {
// Should never happen. Kill the process.
LOG_FATAL("%s: service died.", __FUNCTION__);
}
const hidl_handle token = service->registerToken(this);
_hidl_cb(/*token=*/token, /*status=*/BufferHubStatus::NO_ERROR);
return Void();
}
} // namespace implementation
} // namespace V1_0
} // namespace bufferhub
} // namespace frameworks
} // namespace android
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