Struct AppState

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pub struct AppState {
    pub db: PgPool,
    pub config: Arc<AppConfig>,
    pub http_client: Client,
    pub redis: RedisCache,
    pub collaboration: Arc<CollaborationRegistry>,
    pub rss_file_lock: Arc<RssFileLock>,
    pub started_at: Instant,
}

Expand description

共享应用状态，注入到各 handler

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§db: PgPool

数据库连接池

§config: Arc<AppConfig>

运行时配置

§http_client: Client

出站 HTTP 客户端

§redis: RedisCache

Redis 缓存与协作状态后端（启动时必连，连接失败进程退出）

§collaboration: Arc<CollaborationRegistry>

在线翻译协作连接注册表（本节点 WebSocket 连接）

§rss_file_lock: Arc<RssFileLock>

RSS 文件 per-file 互斥锁

§started_at: Instant

进程启动时刻

Implementations§

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impl AppState

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pub async fn new(config: AppConfig) -> Result<Self>

根据配置初始化数据库连接池

Trait Implementations§

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impl Clone for AppState

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fn clone(&self) -> AppState

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

Auto Trait Implementations§

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impl !UnwindSafe for AppState

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.

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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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