72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
//
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// Copyright (C) 2020 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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#include "host/frontend/webrtc_operator/device_registry.h"
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#include <android-base/logging.h>
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#include "host/frontend/webrtc_operator/device_handler.h"
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namespace cuttlefish {
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bool DeviceRegistry::RegisterDevice(
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const std::string& device_id,
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std::weak_ptr<DeviceHandler> device_handler) {
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if (devices_.count(device_id) > 0) {
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LOG(ERROR) << "Device '" << device_id << "' is already registered";
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return false;
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}
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devices_.try_emplace(device_id, device_handler);
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LOG(INFO) << "Registered device: '" << device_id << "'";
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return true;
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}
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void DeviceRegistry::UnRegisterDevice(const std::string& device_id) {
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auto record = devices_.find(device_id);
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if (record == devices_.end()) {
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LOG(WARNING) << "Requested to unregister an unkwnown device: '" << device_id
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<< "'";
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return;
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}
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devices_.erase(record);
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LOG(INFO) << "Unregistered device: '" << device_id << "'";
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}
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std::shared_ptr<DeviceHandler> DeviceRegistry::GetDevice(
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const std::string& device_id) {
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if (devices_.count(device_id) == 0) {
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LOG(INFO) << "Requested device (" << device_id << ") is not registered";
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return nullptr;
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}
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auto device_handler = devices_[device_id].lock();
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if (!device_handler) {
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LOG(WARNING) << "Destroyed device handler detected for device '"
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<< device_id << "'";
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UnRegisterDevice(device_id);
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}
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return device_handler;
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}
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std::vector<std::string> DeviceRegistry::ListDeviceIds() const {
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std::vector<std::string> ret;
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for (const auto& entry: devices_) {
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ret.push_back(entry.first);
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}
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return ret;
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}
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} // namespace cuttlefish
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