// PD (Prefill-Decode) gRPC Router Implementation // TODO: Implement gRPC-based PD router for disaggregated prefill-decode systems use crate::routers::{RouterTrait, WorkerManagement}; use async_trait::async_trait; use axum::{ body::Body, extract::Request, http::{HeaderMap, StatusCode}, response::{IntoResponse, Response}, }; /// Placeholder for gRPC PD router #[derive(Debug)] pub struct GrpcPDRouter; impl GrpcPDRouter { pub async fn new() -> Result { // TODO: Implement gRPC PD router initialization Err("gRPC PD router not yet implemented".to_string()) } } #[async_trait] impl RouterTrait for GrpcPDRouter { fn as_any(&self) -> &dyn std::any::Any { self } async fn health(&self, _req: Request) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn health_generate(&self, _req: Request) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn get_server_info(&self, _req: Request) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn get_models(&self, _req: Request) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn get_model_info(&self, _req: Request) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn route_generate( &self, _headers: Option<&HeaderMap>, _body: &crate::protocols::spec::GenerateRequest, ) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn route_chat( &self, _headers: Option<&HeaderMap>, _body: &crate::protocols::spec::ChatCompletionRequest, ) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn route_completion( &self, _headers: Option<&HeaderMap>, _body: &crate::protocols::spec::CompletionRequest, ) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn route_embeddings(&self, _headers: Option<&HeaderMap>, _body: Body) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn route_rerank(&self, _headers: Option<&HeaderMap>, _body: Body) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn flush_cache(&self) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } async fn get_worker_loads(&self) -> Response { (StatusCode::NOT_IMPLEMENTED).into_response() } fn router_type(&self) -> &'static str { "grpc_pd" } fn readiness(&self) -> Response { (StatusCode::SERVICE_UNAVAILABLE).into_response() } } #[async_trait] impl WorkerManagement for GrpcPDRouter { async fn add_worker(&self, _worker_url: &str) -> Result { Err("Not implemented".to_string()) } fn remove_worker(&self, _worker_url: &str) {} fn get_worker_urls(&self) -> Vec { vec![] } }