mirror of
https://github.com/openharmony/distributed_hardware_fwk.git
synced 2026-07-21 09:05:23 -04:00
tangfan
89 lines
2.8 KiB
C++
89 lines
2.8 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_COMPONENT_LOADER_H
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#define OHOS_DISTRIBUTED_HARDWARE_COMPONENT_LOADER_H
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#include <atomic>
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#include <map>
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#include <vector>
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#include "single_instance.h"
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#include "distributed_hardware_errno.h"
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#include "device_type.h"
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#include "ihardware_handler.h"
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#include "idistributed_hardware_sink.h"
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#include "idistributed_hardware_source.h"
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#include "utils/impl_utils.h"
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namespace OHOS {
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namespace DistributedHardware {
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struct CompConfig {
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std::string name;
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DHType type;
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std::string compHandlerLoc;
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std::string compHandlerVersion;
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std::string compSourceLoc;
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std::string compSourceVersion;
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std::string compSinkLoc;
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std::string compSinkVersion;
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};
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struct CompHandler {
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void *sourceHandler;
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void *sinkHandler;
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void *hardwareHandler;
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};
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const std::string COMPONENTSLOAD_DISTRIBUTED_COMPONENTS = "distributed_components";
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class ComponentLoader {
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DECLARE_SINGLE_INSTANCE_BASE(ComponentLoader);
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public:
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ComponentLoader() : isLocalVersionInit_(false) {}
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~ComponentLoader() {}
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public:
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int32_t Init();
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int32_t GetHardwareHandler(const DHType dhType, IHardwareHandler *&hardwareHandlerPtr);
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int32_t GetSource(const DHType dhType, IDistributedHardwareSource *&sourcePtr);
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int32_t GetSink(const DHType dhType, IDistributedHardwareSink *&sinkPtr);
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int32_t UnInit();
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int32_t ReleaseHardwareHandler(const DHType dhType);
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int32_t ReleaseSource(const DHType dhType);
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int32_t ReleaseSink(const DHType dhType);
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std::vector<DHType> GetAllCompTypes();
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int32_t GetLocalDHVersion(DHVersion &dhVersion);
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private:
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void *GetHandler(const std::string &soName);
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void GetAllHandler(std::map<DHType, CompConfig> &dhtypeMap);
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int32_t ReleaseHandler(void *&handler);
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int32_t GetCompPathAndVersion(const std::string &jsonStr, std::map<DHType, CompConfig> &dhtypeMap);
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CompVersion GetCompVersionFromComConfig(const CompConfig& cCfg);
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int32_t ParseConfig();
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bool IsDHTypeExist(DHType dhType);
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std::string Readfile(const std::string &filePath);
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private:
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DHVersion localDHVersion_;
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std::map<DHType, CompHandler> compHandlerMap_;
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std::atomic<bool> isLocalVersionInit_;
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};
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} // namespace DistributedHardware
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} // namespace OHOS
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#endif
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