Struct LifecyclePollingNodeCtx 

pub struct LifecyclePollingNodeCtx { /* private fields */ }

Lifecycle state machine with unsafe fn(*mut c_void) -> TransitionResult callbacks.

Thin counterpart to LifecyclePollingNode for bridging the C FFI: each callback slot stores a pointer to extern "C" user code plus a single shared *mut c_void context that is passed on every invocation. The core state machine logic comes from nros_core::lifecycle, same as LifecyclePollingNode.

Implementations

impl LifecyclePollingNodeCtx

pub const fn new() -> LifecyclePollingNodeCtx

Create a new standalone lifecycle state machine. Starts in Unconfigured.

pub const fn state(&self) -> LifecycleState

Get the current lifecycle state.

pub fn set_context(&mut self, ctx: *mut c_void)

Set the user context pointer passed to every callback.

pub fn context(&self) -> *mut c_void

Get the user context pointer.

pub fn register( &mut self, slot: LifecycleCallbackSlot, cb: Option<unsafe extern "C" fn(*mut c_void) -> u8>, )

Register / clear the callback for a given transition slot.

pub fn clear_callbacks(&mut self)

Clear every registered callback. Used on fini.

pub fn finalize(&mut self)

Force the state to Finalized. Used on fini.

pub unsafe fn trigger_transition( &mut self, transition: LifecycleTransition, ) -> Result<LifecycleState, LifecycleError>

Trigger a lifecycle transition.

Safety

The registered callback (if any) is called via a raw unsafe fn pointer with the stored *mut c_void context. The caller must guarantee that any registered callback / context pair remains valid.

Trait Implementations

impl Default for LifecyclePollingNodeCtx

fn default() -> LifecyclePollingNodeCtx

Returns the “default value” for a type.