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Description: add dinput config
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# **分布式输入组件**
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## **简介**
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分布式输入组件提供了设备间输入外设的跨设备调用能力，使一台设备可以使用另一台设备的输入外设（如鼠标，键盘等）作为本设备的外设使用，在另一台设备上的操作作用于本设备。
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其系统架构图如下图所示：
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**分布式输入被控端(DInputSink)**：提供本地键鼠外设供其他设备使用的设备，称为分布式输入被控端，物理键鼠连接在分布式输入被控端。
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**分布式输入主控端(DInputSource)**：使用周边其他设备键鼠输入能力的设备，称为分布式输入主控端，周边其他设备键鼠事件可以在主控端生效。
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**分布式输入SDK(DistributedInputSDK)**：分布式输入组件对外提供的SDK，包括InnerSDK和LocalSDK。InnerSDK用于供多模输入(multimodalinput_input)调用分布式输入内部API，调用分布式输入能力；LocalSDK实现了分布式硬件管理框架(distributed_hardware_fwk)定义的组件扩展接口，供分布式硬件管理框架调度分布式输入组件能力。
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**分布式输入驱动管理(DInputDriverMgr)**：管理分布式输入驱动，提供分布式输入驱动的添加和删除能力。
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**事件过滤(EventFilter)**：提供组合键过滤能力。部分组合键适合在本地生效，例如锁屏键；如果开启了分布式输入能力，被控端键鼠控制主控端设备，被控端锁屏键被多模输入识别后，通过过滤模块判断是否要在本地生效，如果在白名单中，则在本地生效，远端不生效。
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**事件采集(EventCollector)**：用于从输入驱动采集键鼠原始事件。
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**事件发送(EventSender)**：用于将事件采集模块采集到的原始事件发送到主控端。
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**事件接收(EventReceiver)**：用于接收事件发送模块发送的键鼠原始事件。
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**事件注入(EventInject)**：用于将被控端发送的键鼠原始事件注入虚拟键鼠驱动
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**本地键鼠驱动(Local KeyBoard/Mouse)**：被控端键鼠在驱动层对应的驱动节点。
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**虚拟键鼠驱动(Virtual KeyBoard/Mouse)**：被控端键鼠信息通过分布式硬件管理框架同步信息到主控端后，主控端分布式硬件管理框架调用分布式输入驱动管理功能，在主控端为对应的被控端键鼠创建的虚拟键鼠驱动节点，和被控端键鼠节点对应。
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## **目录**
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```
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/foundation/distributedhardware/distributedinput
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├── common # 分布式输入常量定义和公共函数
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├── frameworks # 分布式输入innerkit接口使用到的回调函数定义
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├── inputdevicehandler # 分布式输入实现分布式硬件管理框架定义的能力查询接口实现
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├── sa_profile # 分布式输入的SA配置信息
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├── services # 分布式输入的SA具体实现
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│ └── common # 分布式输入实现用到的公共常量定义
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│ └── sink # 分布式输入的sink侧SA实现
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│ │ ├── inputcollector # 分布式输入的输入驱动原始事件获取
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│ │ ├── sinkmanager # 分布式输入sink侧业务管理，响应主控端相关业务调用
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│ │ └── transport # 分布式输入sink侧事件发送
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│ └── source # 分布式输入的source侧SA实现
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│ ├── inputinject # 分布式输入的原始事件注入
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│ ├── sourcemanager # 分布式输入的source侧业务管理，实现外部相关接口
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│ └── transport # 分布式输入source侧事件接收
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├── sinkhandler # 分布式输入实现的分布式硬件管理框架定义的sink侧部件接入接口
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├── sourcehandler # 分布式输入实现的分布式硬件管理框架定义的source侧部件接入接口
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└── test # 分布式输入的外部接口UT用例
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```
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## **约束**
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**语言限制**：C++语言。
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**组网环境**：必须确保设备在同一个局域网中。
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**操作系统限制**：OpenHarmony操作系统。
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## **说明**
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### **接口说明**
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1.分布式输入不提供北向接口，由多模输入子系统提供接口供开发者调用分布式输入的能力。
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### **流程说明**
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#### **1. 分布式输入初始化**
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分布式硬件管理框架启动后，查询本机分布式输入的组件配置，如果发现有相关配置，通过配置加载分布式输入实现的组件接入so，进行本地输入外设的信息查询，以及分布式输入source侧和sink侧的初始化；分布式硬件管理框架将查询到的本地外设信息记录到分布式数据库，在可信设备之间同步。
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#### **2. 分布式输入驱动的准备**
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分布式硬件管理框架监听数据库数据变化，如果从分布式数据获取到上线的其他设备同步的输入外设信息，会调用分布式输入主控端注册分布式输入驱动接口，为对端设备外设在本地注册对应的分布式外设，作为对端设备外设的代理；本地新注册的分布式输入外设，会被多模输入管理起来，并供外部应用调用。
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#### **3. 使用分布式输入能力**
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(1) 应用可以通过多模输入接口查询到对端设备具有的分布式输入能力。
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(2) 应用调用多模输入准备使用分布式输入接口，用于在设备间进行分布式输入能力的资源准备，包括网络连接的建立，相关资源线程的启动等。
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(3) 应用调用多模输入开始使用分布式输入接口，通知系统开始使用对端设备的输入外设，此时被控端设备的分布式输入服务采集到输入外设原始事件并回传到主控端，主控端分布式输入接收到事件并注入到对应的分布式输入驱动，多模输入驱动获取到注入的被控端外设事件，进行事件处理后在本地生效，从而实现了主控端对被控端输入外设的使用。
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(4) 如果不需要使用被控端输入能力，应用调用多模输入停止使用分布式输入接口，通知被控端分布式输入不再回传被控端外设事件，被控端外设事件在被控端本地生效。
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(5) 如果业务方停止使用分布式输入能力，应用调用多模输入取消准备分布式输入接口，停止主控端和被控端相关资源线程，断开设备间网络连接。
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备注：关于多模输入分布式输入相关接口的使用，参见多模输入相关文档。
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#### **4. 设备下线**
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设备下线后，分布式硬件管理框架去使能下线设备的输入外设，移除分布式输入驱动，此时下线设备的分布式输入外设不可用。
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## **涉及仓**
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****
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**分布式硬件子系统：**
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设备管理
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[device_manager](https://gitee.com/openharmony/device_manager)
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分步式硬件管理框架
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[distributed_hardware_fwk](https://gitee.com/openharmony/distributed_hardware_fwk)
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分布式相机
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[distributed_camera](https://gitee.com/openharmony/distributed_camera)
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分布式屏幕
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[distributed_screen](https://gitee.com/openharmony/distributed_screen)
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**分布式输入
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[distributed_input](https://gitee.com/openharmony-sig/distributed_input)**
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{
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"name":"@ohos/distributed_input",
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"description":"distributed hardware input",
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"version":"3.1",
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"author":{},
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"repository":"https://gitee.com/openharmony/distributed_input",
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"license":"Apache License 2.0",
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"publishAs":"code-segment",
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"segment":{
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"destPath":"foundation/distributedhardware/distributedinput/"
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},
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"dirs":{},
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"scripts":{},
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"component":{
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"name":"distributed_input",
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"subsystem":"distributedhardware",
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"syscap":[
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"SystemCapability.distributedhardware.distributed_input"
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],
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"features":[],
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"adapted_system_type":[
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"standard"
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],
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"rom":"2000k",
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"ram":"6M",
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"deps":{
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"components":[
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"appexecfwk_standard",
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"eventhandler",
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"hiviewdfx_hilog_native",
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"ipc",
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"safwk",
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"samgr_standard",
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"dsoftbus_standard",
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"utils_base",
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"distributed_hardware_fwk"
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],
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"third_party":[
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"jsoncpp",
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"googletest",
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"libcrypto_static"
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]
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},
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"build":{
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"sub_component":[
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"//foundation/distributedhardware/distributedinput/interfaces/inner_kits:libdinput_sdk",
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"//foundation/distributedhardware/distributedinput/sa_profile:distributed_input_source_sa_profile",
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"//foundation/distributedhardware/distributedinput/sa_profile:distributed_input_sink_sa_profile",
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"//foundation/distributedhardware/distributedinput/services/source/sourcemanager:libdinput_source",
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"//foundation/distributedhardware/distributedinput/services/source/transport:libdinput_source_trans",
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"//foundation/distributedhardware/distributedinput/services/source/inputinject:libdinput_inject",
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"//foundation/distributedhardware/distributedinput/services/sink/sinkmanager:libdinput_sink",
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"//foundation/distributedhardware/distributedinput/services/sink/transport:libdinput_sink_trans",
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"//foundation/distributedhardware/distributedinput/services/sink/inputcollector:libdinput_collector",
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"//foundation/distributedhardware/distributedinput/sourcehandler:libdinput_source_handler",
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"//foundation/distributedhardware/distributedinput/sinkhandler:libdinput_sink_handler",
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"//foundation/distributedhardware/distributedinput/inputdevicehandler:libdinput_handler"
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],
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"inner_kits":[
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{
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"type": "so",
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"name": "//foundation/distributedhardware/distributedinput/interfaces/inner_kits:libdinput_sdk",
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"header": {
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"header_base": "//foundation/distributedhardware/distributedinput/interfaces/inner_kits/include",
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"header_files": [
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"distributed_input_kit.h"
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]
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}
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}
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],
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"test":[
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"//foundation/distributedhardware/distributedinput/interfaces/inner_kits/test:test",
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"//foundation/distributedhardware/distributedinput/sourcehandler/test:test",
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"//foundation/distributedhardware/distributedinput/sinkhandler/test:test",
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"//foundation/distributedhardware/distributedinput/test:test",
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"//foundation/distributedhardware/distributedinput/services/sink/transport/test:test",
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"//foundation/distributedhardware/distributedinput/services/source/transport/test:test",
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"//foundation/distributedhardware/distributedinput/common/include/test:test",
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"//foundation/distributedhardware/distributedinput/services/source/inputinject/test:test",
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"//foundation/distributedhardware/distributedinput/services/source/sourcemanager/test:test",
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"//foundation/distributedhardware/distributedinput/services/sink/sinkmanager/test:test"
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]
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}
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}
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}
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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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distributedinput_path = "//foundation/distributedhardware/distributedinput"
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distributedhardwarefwk_path = "//foundation/distributedhardware/distributedhardwarefwk"
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common_path = "${distributedinput_path}/common"
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utils_path = "${distributedinput_path}/utils"
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services_source_path = "${distributedinput_path}/services/source"
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services_sink_path = "${distributedinput_path}/services/sink"
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innerkits_path = "${distributedinput_path}/interfaces/inner_kits"
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ipc_path = "${distributedinput_path}/interfaces/ipc"
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frameworks_path = "${distributedinput_path}/frameworks"
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service_common = "${distributedinput_path}/services/common"
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fwk_common_path = "${distributedhardwarefwk_path}/common"
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fwk_utils_path = "${distributedhardwarefwk_path}/utils"
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distributedinput_ldflags = [ "-lpthread" ]
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