mirror of
https://github.com/openharmony/distributed_hardware_fwk.git
synced 2026-07-01 20:24:00 -04:00
hwzhangchuang
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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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 OHOS_DISTRIBUTED_HARDWARE_DHCONTEXT_H
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#define OHOS_DISTRIBUTED_HARDWARE_DHCONTEXT_H
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#include <memory>
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#include <string>
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#include <unordered_set>
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#include <shared_mutex>
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#include "device_type.h"
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#include "event_bus.h"
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#include "single_instance.h"
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namespace OHOS {
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namespace DistributedHardware {
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class DHContext {
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DECLARE_SINGLE_INSTANCE_BASE(DHContext);
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public:
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DHContext();
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~DHContext();
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std::shared_ptr<EventBus> GetEventBus();
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const DeviceInfo& GetDeviceInfo();
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/* Save online device UUID and networkId when devices online */
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void AddOnlineDevice(const std::string &devId, const std::string &networkId);
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void RemoveOnlineDevice(const std::string &devId);
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bool IsDeviceOnline(const std::string &devId);
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size_t GetOnlineCount();
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std::string GetNetworkIdByUUID(const std::string &devId);
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private:
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std::shared_ptr<EventBus> eventBus_;
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DeviceInfo devInfo_ { "", "", 0 };
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std::mutex devMutex_;
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/* Save online device UUID and networkId */
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std::unordered_map<std::string, std::string> onlineDeviceMap_;
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std::shared_mutex onlineDevMutex_;
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};
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}
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}
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#endif |