Enum DeviceStateWatcherRequest 

pub enum DeviceStateWatcherRequest {
    WatchDeviceState {
        responder: DeviceStateWatcherWatchDeviceStateResponder,
    },
    #[non_exhaustive]
    _UnknownMethod {
        ordinal: u64,
        control_handle: DeviceStateWatcherControlHandle,
        method_type: MethodType,
    },
}

An interface to watch for updates to the USB device state.

Variants

WatchDeviceState

Notify a client of an updated device state value via a hanging get. The first time this is called, it will return right away with the current state. Subsequent calls will hang until there is a change to report. Returns a table containing the updated device state.

Fields

responder: DeviceStateWatcherWatchDeviceStateResponder

#[non_exhaustive]

_UnknownMethod

An interaction was received which does not match any known method.

Fields

Non-exhaustive enum variants could have additional fields added in future. Therefore, non-exhaustive enum variants cannot be constructed in external crates and cannot be matched against.

ordinal: u64

Ordinal of the method that was called.

control_handle: DeviceStateWatcherControlHandle

method_type: MethodType

Implementations

impl DeviceStateWatcherRequest

pub fn into_watch_device_state( self, ) -> Option<DeviceStateWatcherWatchDeviceStateResponder>

pub fn method_name(&self) -> &'static str

Name of the method defined in FIDL

Trait Implementations

impl Debug for DeviceStateWatcherRequest

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.