Struct CratesDocsHandler 

pub struct CratesDocsHandler { /* private fields */ }

MCP 服务器处理器

实现标准 MCP 协议处理器接口，处理客户端请求。

字段

• server: 服务器实例的 Arc 引用

Implementations

impl CratesDocsHandler

pub fn new(server: Arc<CratesDocsServer>) -> Self

创建新的处理器

参数

• server - 服务器实例

示例

use std::sync::Arc;
use crates_docs::server::{CratesDocsServer, CratesDocsHandler};
use crates_docs::AppConfig;

let config = AppConfig::default();
let server = Arc::new(CratesDocsServer::new(config).unwrap());
let handler = CratesDocsHandler::new(server);

Trait Implementations

impl ServerHandler for CratesDocsHandler

fn handle_list_tools_request<'life0, 'async_trait>( &'life0 self, _request: Option<PaginatedRequestParams>, _runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<ListToolsResult, RpcError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Handle list tools request

fn handle_call_tool_request<'life0, 'async_trait>( &'life0 self, params: CallToolRequestParams, _runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<CallToolResult, CallToolError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Handle call tool request

fn handle_list_resources_request<'life0, 'async_trait>( &'life0 self, _request: Option<PaginatedRequestParams>, _runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<ListResourcesResult, RpcError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Handle list resources request

fn handle_read_resource_request<'life0, 'async_trait>( &'life0 self, _params: ReadResourceRequestParams, _runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<ReadResourceResult, RpcError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Handle read resource request

fn handle_list_prompts_request<'life0, 'async_trait>( &'life0 self, _request: Option<PaginatedRequestParams>, _runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<ListPromptsResult, RpcError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Handle list prompts request

fn handle_get_prompt_request<'life0, 'async_trait>( &'life0 self, _params: GetPromptRequestParams, _runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<GetPromptResult, RpcError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Handle get prompt request

fn on_initialized<'life0, 'async_trait>( &'life0 self, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Invoked when the server finishes initialization and receives an initialized_notification from the client.

fn handle_initialize_request<'life0, 'async_trait>( &'life0 self, params: InitializeRequestParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<InitializeResult, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles the InitializeRequest from a client.

fn handle_ping_request<'life0, 'async_trait>( &'life0 self, _params: Option<RequestParams>, _runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<Result, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles ping requests from clients.

fn handle_list_resource_templates_request<'life0, 'async_trait>( &'life0 self, params: Option<PaginatedRequestParams>, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<ListResourceTemplatesResult, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles requests to list resource templates.

fn handle_subscribe_request<'life0, 'async_trait>( &'life0 self, params: SubscribeRequestParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<Result, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles subscription requests from clients.

fn handle_unsubscribe_request<'life0, 'async_trait>( &'life0 self, params: UnsubscribeRequestParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<Result, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles unsubscribe requests from clients.

fn handle_task_augmented_tool_call<'life0, 'async_trait>( &'life0 self, params: CallToolRequestParams, task_creator: TaskCreator<ClientJsonrpcRequest, ResultFromServer>, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<CreateTaskResult, CallToolError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles requests to call a task-augmented tool. you need to returns a CreateTaskResult containing task data. The actual operation result becomes available later through tasks/result after the task completes.

fn handle_set_level_request<'life0, 'async_trait>( &'life0 self, params: SetLevelRequestParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<Result, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles requests to enable or adjust logging level.

fn handle_complete_request<'life0, 'async_trait>( &'life0 self, params: CompleteRequestParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<CompleteResult, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles completion requests from clients.

fn handle_get_task_request<'life0, 'async_trait>( &'life0 self, params: GetTaskParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<GetTaskResult, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles a request to retrieve the state of a task.

fn handle_get_task_payload_request<'life0, 'async_trait>( &'life0 self, params: GetTaskPayloadParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<GetTaskPayloadResult, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles a request to retrieve the result of a completed task.

fn handle_cancel_task_request<'life0, 'async_trait>( &'life0 self, params: CancelTaskParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<CancelTaskResult, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles a request to cancel a task.

fn handle_list_task_request<'life0, 'async_trait>( &'life0 self, params: Option<PaginatedRequestParams>, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<ListTasksResult, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles a request to retrieve a list of tasks.

fn handle_custom_request<'life0, 'async_trait>( &'life0 self, request: CustomRequest, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<Result, RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles custom requests not defined in the standard protocol.

fn handle_initialized_notification<'life0, 'async_trait>( &'life0 self, params: Option<NotificationParams>, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<(), RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles initialized notifications from clients. Customize this function in your specific handler to implement behavior tailored to your MCP server’s capabilities and requirements.

fn handle_cancelled_notification<'life0, 'async_trait>( &'life0 self, params: CancelledNotificationParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<(), RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles cancelled operation notifications. Customize this function in your specific handler to implement behavior tailored to your MCP server’s capabilities and requirements.

fn handle_progress_notification<'life0, 'async_trait>( &'life0 self, params: ProgressNotificationParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<(), RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles progress update notifications. Customize this function in your specific handler to implement behavior tailored to your MCP server’s capabilities and requirements.

fn handle_roots_list_changed_notification<'life0, 'async_trait>( &'life0 self, params: Option<NotificationParams>, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<(), RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles notifications received from the client indicating that the list of roots has changed Customize this function in your specific handler to implement behavior tailored to your MCP server’s capabilities and requirements.

fn handle_task_status_notification<'life0, 'async_trait>( &'life0 self, params: TaskStatusNotificationParams, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<(), RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

handles a notification from the receiver to the requestor, informing them that a task’s status has changed.

fn handle_custom_notification<'life0, 'async_trait>( &'life0 self, notification: CustomRequest, ) -> Pin<Box<dyn Future<Output = Result<(), RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, Self: 'async_trait,

Handles custom notifications not defined in the standard protocol. Customize this function in your specific handler to implement behavior tailored to your MCP server’s capabilities and requirements.

fn handle_error<'life0, 'life1, 'async_trait>( &'life0 self, error: &'life1 RpcError, runtime: Arc<dyn McpServer>, ) -> Pin<Box<dyn Future<Output = Result<(), RpcError>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Handles server errors that occur during operation.