Struct StoreData 

pub struct StoreData {
    pub engine_access: *const dyn EngineAccess,
    pub now: f64,
    pub injected_actions: Vec<ActionWire>,
    pub injected_action_bytes: usize,
    pub program_name: String,
    pub log_messages_forwarded: usize,
    pub log_messages_dropped: usize,
    pub provider_events: Vec<RawProviderEvent>,
    pub provider_event_bytes: usize,
    pub provider_events_enabled: bool,
    pub limits: StoreLimits,
}

Data stored in each wasmtime Store.

Uses a raw pointer for EngineAccess because Linker<T> requires T without lifetime parameters. The Store is cached across calls for instance persistence, but engine_access is refreshed each call via reset_per_call and must only be dereferenced during the active call.

Fields

engine_access: *const dyn EngineAccess

now: f64

injected_actions: Vec<ActionWire>

injected_action_bytes: usize

Total payload bytes of injected_actions in the current call.

program_name: String

Name of the program owning this store, used to tag forwarded log lines.

log_messages_forwarded: usize

Log messages forwarded to the host logger in the current call.

log_messages_dropped: usize

Log messages dropped in the current call because the per-call cap was reached.

provider_events: Vec<RawProviderEvent>

provider_event_bytes: usize

Total bytes (type + payload) of provider_events in the current call.

provider_events_enabled: bool

limits: StoreLimits

Resource limits (memory size, instance/table/memory counts) for the store.

Implementations

impl StoreData

pub fn new( program_name: String, engine_access: *const dyn EngineAccess, now: f64, provider_events_enabled: bool, max_memory: usize, ) -> Self

Create store data for one program with resource limits capping linear memory at max_memory bytes.

pub unsafe fn engine(&self) -> &dyn EngineAccess

Access the engine through the raw pointer.

Safety

The caller must ensure the pointer is still valid.

pub fn reset_per_call( &mut self, engine_access: *const dyn EngineAccess, now: f64, provider_events_enabled: bool, )

Reset per-call fields while preserving the store (and WASM linear memory).

Trait Implementations

impl Send for StoreData

Available on crate feature wasm only.

impl Sync for StoreData

Available on crate feature wasm only.