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use rmcp::handler::server::router::tool::ToolRouter;
use rmcp::handler::server::wrapper::Parameters;
use std::sync::Arc;
use rmcp::model::{
CallToolResult, ListResourceTemplatesResult, PaginatedRequestParams, ReadResourceRequestParams,
ReadResourceResponse, ServerConfig, SubscriptionFilter,
};
use rmcp::service::{RequestContext, SubscriptionContext};
use rmcp::transport::stdio;
use rmcp::{tool, tool_handler, tool_router, ServerHandler, ServiceExt};
use rmcp::{ErrorData, RoleServer};
use super::service::KcpServiceHandle;
use super::watch::{self, WatchHub};
use super::{spec, tools};
#[derive(Clone)]
pub struct ReadonlyServer {
tool_router: ToolRouter<Self>,
service: KcpServiceHandle,
watches: Arc<WatchHub>,
}
impl ReadonlyServer {
pub fn new(service: KcpServiceHandle) -> Self {
Self {
tool_router: Self::tool_router(),
service,
watches: Arc::default(),
}
}
}
#[tool_router]
impl ReadonlyServer {
#[tool(description = spec::LIST_KCPS, output_schema = spec::kcp_report(), annotations(read_only_hint = true))]
pub async fn list_kcps(
&self,
Parameters(request): Parameters<tools::ListKcpsRequest>,
) -> CallToolResult {
tools::list_kcps(&self.service, request).await
}
#[tool(description = spec::LIST_WORKSPACES, output_schema = spec::workspaces(), annotations(read_only_hint = true))]
pub async fn list_workspaces(
&self,
Parameters(request): Parameters<tools::ListWorkspacesRequest>,
) -> CallToolResult {
tools::list_workspaces(&self.service, request).await
}
#[tool(description = spec::GET_API_RESOURCES, output_schema = spec::api_resources(), annotations(read_only_hint = true))]
pub async fn get_api_resources(
&self,
Parameters(request): Parameters<tools::KcpWorkspaceRequest>,
) -> CallToolResult {
tools::get_api_resources(&self.service, request).await
}
#[tool(description = spec::LIST_OBJECTS, output_schema = spec::kube_list(), annotations(read_only_hint = true))]
pub async fn list_objects(
&self,
Parameters(request): Parameters<tools::ListObjectsRequest>,
) -> CallToolResult {
tools::list_objects(&self.service, request).await
}
#[tool(description = spec::GET_OBJECT, output_schema = spec::kube_object(), annotations(read_only_hint = true))]
pub async fn get_object(
&self,
Parameters(request): Parameters<tools::GetObjectRequest>,
) -> CallToolResult {
tools::get_object(&self.service, request).await
}
#[tool(description = spec::GET_LOGS, annotations(read_only_hint = true))]
pub async fn get_logs(
&self,
Parameters(request): Parameters<tools::GetLogsRequest>,
) -> CallToolResult {
tools::get_logs(&self.service, request).await
}
#[tool(description = spec::GET_EVENTS, output_schema = spec::event_list(), annotations(read_only_hint = true))]
pub async fn get_events(
&self,
Parameters(request): Parameters<tools::GetEventsRequest>,
) -> CallToolResult {
tools::get_events(&self.service, request).await
}
#[tool(description = spec::READONLY_CREDENTIALS, output_schema = spec::credential(), annotations(read_only_hint = true))]
pub async fn readonly_credentials(
&self,
Parameters(request): Parameters<tools::ReadonlyCredentialsRequest>,
) -> CallToolResult {
tools::readonly_credentials(&self.service, request).await
}
}
#[tool_handler(router = self.tool_router)]
impl ServerHandler for ReadonlyServer {
fn get_info(&self) -> ServerConfig {
watch::server_info()
}
async fn list_resource_templates(
&self,
_request: Option<PaginatedRequestParams>,
_context: RequestContext<RoleServer>,
) -> Result<ListResourceTemplatesResult, ErrorData> {
Ok(watch::resource_templates())
}
async fn read_resource(
&self,
request: ReadResourceRequestParams,
_context: RequestContext<RoleServer>,
) -> Result<ReadResourceResponse, ErrorData> {
watch::read_resource(&self.watches, &self.service, &request.uri).await
}
fn accepted_subscription_filter(
&self,
requested: &SubscriptionFilter,
) -> Option<SubscriptionFilter> {
watch::accepted_subscriptions(requested)
}
async fn listen(&self, context: SubscriptionContext) -> Result<(), ErrorData> {
watch::listen(&self.watches, &self.service, context).await
}
}
pub async fn serve_stdio(service: KcpServiceHandle) -> Result<(), Box<dyn std::error::Error>> {
let service = ReadonlyServer::new(service).serve(stdio()).await?;
service.waiting().await?;
Ok(())
}
