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ServerNotification

tower_mcp::client

Enum ServerNotification

#[non_exhaustive]pub enum ServerNotification {
    Progress(ProgressParams),
    LogMessage(LoggingMessageParams),
    ResourceUpdated {
        uri: String,
    },
    ResourcesListChanged,
    ToolsListChanged,
    PromptsListChanged,
    TaskStatusChanged(TaskStatusParams),
    FinalTaskStatusChanged(TaskStatusNotificationParams),
    SubscriptionAcknowledged {
        subscription_id: RequestId,
        notifications: SubscriptionFilter,
    },
    Subscription {
        subscription_id: RequestId,
        notification: Box<ServerNotification>,
    },
    SubscriptionCancelled {
        subscription_id: RequestId,
        reason: Option<String>,
    },
    Unknown {
        method: String,
        params: Option<Value>,
    },
}

Expand description

Notification sent from the server to the client.

These correspond to the notifications/ methods defined in the MCP spec that flow from server to client.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Progress(ProgressParams)

Progress update for a request (notifications/progress).

LogMessage(LoggingMessageParams)

Log message (notifications/message).

ResourceUpdated

A subscribed resource has been updated (notifications/resources/updated).

Fields

§uri: String

The URI of the updated resource.

ResourcesListChanged

The list of available resources has changed.

ToolsListChanged

The list of available tools has changed.

PromptsListChanged

The list of available prompts has changed.

TaskStatusChanged(TaskStatusParams)

A legacy task changed status (notifications/tasks).

FinalTaskStatusChanged(TaskStatusNotificationParams)

A final-protocol task changed status (notifications/tasks).

SubscriptionAcknowledged

The server acknowledged a subscriptions/listen stream.

Fields

§subscription_id: RequestId

JSON-RPC request ID that identifies the subscription.

§notifications: SubscriptionFilter

Subset of the requested filter the server agreed to honor.

Subscription

A notification delivered on a subscriptions/listen stream.

Fields

§subscription_id: RequestId

JSON-RPC request ID that identifies the subscription.

§notification: Box<ServerNotification>

The ordinary notification carried by this subscription.

SubscriptionCancelled

The server cancelled an active subscription.

Fields

§subscription_id: RequestId

JSON-RPC request ID that identified the subscription.

§reason: Option<String>

Optional diagnostic reason from the server.

Unknown

An unknown or unrecognized notification.

Fields

§method: String

The notification method name.

§params: Option<Value>

The notification parameters, if any.

Trait Implementations§

impl Clone for ServerNotification

fn clone(&self) -> ServerNotification

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

impl Debug for ServerNotification

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for ServerNotification

impl RefUnwindSafe for ServerNotification

impl Send for ServerNotification

impl Sync for ServerNotification

impl Unpin for ServerNotification

impl UnsafeUnpin for ServerNotification

impl UnwindSafe for ServerNotification

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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

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

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

fn __clone_box(&self, _: Private) -> *mut ()

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FromRef<T> for T
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fn from_ref(input: &T) -> T

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

impl<A, B, T> HttpServerConnExec<A, B> for T
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impl<T> Instrument for T

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

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fn into(self) -> U

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

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where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

impl<T> Read<Exclusive, BecauseExclusive> for T
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impl<T> Same for T

type Output = T

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type Owned = T

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type Error = Infallible

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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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type Error = <U as TryFrom<T>>::Error

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