harmony 鸿蒙Network Management Overview
Network Management Overview
Network management functions include:
- HTTP data request: Initiates a data request through HTTP.
- WebSocket connection: Establishes a bidirectional connection between the server and client through WebSocket.
- Socket connection: Transmits data through Socket.
- Network sharing: Shares a device’s Internet connection with other connected devices by means of Wi-Fi hotspot, Bluetooth, and USB sharing, and queries the network sharing state and shared mobile data volume.
- Ethernet connection: Provides wired network capabilities, which allow you to set the IP address, subnet mask, gateway, and Domain Name System (DNS) server of a wired network.
- Network connection management: Provides basic network management capabilities, including management of Wi-Fi/cellular/Ethernet connection priorities, network quality evaluation, subscription to network connection status changes, query of network connection information, and DNS resolution.
- mDNS management: provides Multicast DNS (mDNS) management capabilities, such as adding, removing, discovering, and resolving local services on a LAN.
Constraints
To use the functions of the network management module, you must obtain the permissions listed in the following table.
Permission | Description |
---|---|
ohos.permission.GET_NETWORK_INFO | Allows an application to obtain the network connection information. |
ohos.permission.SET_NETWORK_INFO | Allows an application to modify the network connection state. |
ohos.permission.INTERNET | Allows an application to open network sockets to connect to the network. |
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