Enum EventType

#[repr(u32)]
pub enum EventType {
    CapabilityRequested = 1,
    DirectoryReady = 2,
    Discovered = 3,
    Destroyed = 4,
    Resolved = 5,
    Started = 6,
    Stopped = 7,
    DebugStarted = 8,
    Unresolved = 9,
}

These EventTypes are used for the EventStream protocol. They are FIDL versions of the EventType enum in hooks.rs and have the same meaning.

Variants

CapabilityRequested = 1

A capability provided by this component has been requested. The event payload carries the request channel.

DirectoryReady = 2

A directory exposed to the framework by a component is available.

Discovered = 3

A component instance was discovered. This is the first stage in the lifecycle of components. Dispatched for dynamic children when they’re created, for static children when their parent is resolved, and for the root when the component manager starts.

Destroyed = 4

The instance is destroyed and no longer exists.

Resolved = 5

An instance’s declaration was resolved successfully for the first time.

Started = 6

This instance has started, according to component manager. However, if this is an executable component, the runner has further work to do to launch the component.

Stopped = 7

An instance was stopped successfully.

DebugStarted = 8

Similar to STARTED, except the payload will carry an eventpair that the subscriber could use to defer the launch of the component. This allows, e.g., a debugger to perform some setup before any processes are created.

Unresolved = 9

An instance was unresolved successfully.

Implementations

impl EventType

pub fn from_primitive(prim: u32) -> Option<Self>

pub const fn into_primitive(self) -> u32

pub fn is_unknown(&self) -> bool

👎Deprecated: Strict enums should not use is_unknown

Trait Implementations

impl Clone for EventType

fn clone(&self) -> EventType

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EventType

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

Formats the value using the given formatter.

impl<D: ResourceDialect> Decode<EventType, D> for EventType

fn new_empty() -> Self

Creates a valid instance of Self. The specific value does not matter, since it will be overwritten by decode.

unsafe fn decode( &mut self, decoder: &mut Decoder<'_, D>, offset: usize, _depth: Depth, ) -> Result<()>

Decodes an object of type T from the decoder’s buffers into self.

impl<D: ResourceDialect> Encode<EventType, D> for EventType

unsafe fn encode( self, encoder: &mut Encoder<'_, D>, offset: usize, _depth: Depth, ) -> Result<()>

Encodes the object into the encoder’s buffers. Any handles stored in the object are swapped for Handle::INVALID.

impl Hash for EventType

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for EventType

fn cmp(&self, other: &EventType) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for EventType

fn eq(&self, other: &EventType) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for EventType

fn partial_cmp(&self, other: &EventType) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl TypeMarker for EventType

type Owned = EventType

The owned Rust type which this FIDL type decodes into.

fn inline_align(_context: Context) -> usize

Returns the minimum required alignment of the inline portion of the encoded object. It must be a (nonzero) power of two.

fn inline_size(_context: Context) -> usize

Returns the size of the inline portion of the encoded object, including padding for alignment. Must be a multiple of inline_align.

fn encode_is_copy() -> bool

Returns true if the memory layout of Self::Owned matches the FIDL wire format and encoding requires no validation. When true, we can optimize encoding arrays and vectors of Self::Owned to a single memcpy.

fn decode_is_copy() -> bool

Returns true if the memory layout of Self::Owned matches the FIDL wire format and decoding requires no validation. When true, we can optimize decoding arrays and vectors of Self::Owned to a single memcpy.

impl ValueTypeMarker for EventType

type Borrowed<'a> = EventType

The Rust type to use for encoding. This is a particular Encode<Self> type cheaply obtainable from &Self::Owned. There are three cases:

fn borrow(value: &<Self as TypeMarker>::Owned) -> Self::Borrowed<'_>

Cheaply converts from &Self::Owned to Self::Borrowed.

impl Copy for EventType

impl Eq for EventType

impl StructuralPartialEq for EventType