207 lines
5.5 KiB
Rust
207 lines
5.5 KiB
Rust
//! Router implementations
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use std::fmt::Debug;
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use async_trait::async_trait;
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use axum::{
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body::Body,
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extract::Request,
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http::{HeaderMap, StatusCode},
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response::{IntoResponse, Response},
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};
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use crate::protocols::{
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chat::ChatCompletionRequest,
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classify::ClassifyRequest,
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completion::CompletionRequest,
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embedding::EmbeddingRequest,
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generate::GenerateRequest,
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rerank::RerankRequest,
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responses::{ResponsesGetParams, ResponsesRequest},
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};
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pub mod conversations;
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pub mod error;
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pub mod factory;
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pub mod grpc;
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pub mod header_utils;
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pub mod http;
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pub mod mcp_utils;
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pub mod mesh;
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pub mod openai;
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pub mod parse;
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pub mod persistence_utils;
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pub mod router_manager;
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pub mod tokenize;
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pub use factory::RouterFactory;
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// Re-export HTTP routers for convenience
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pub use http::{pd_router, pd_types, router};
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/// Core trait for all router implementations
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///
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/// This trait provides a unified interface for routing requests,
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/// regardless of whether it's a regular router or PD router.
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#[async_trait]
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pub trait RouterTrait: Send + Sync + Debug {
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/// Get a reference to self as Any for downcasting
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fn as_any(&self) -> &dyn std::any::Any;
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/// Route a health generate request
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async fn health_generate(&self, _req: Request<Body>) -> Response {
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(
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StatusCode::NOT_IMPLEMENTED,
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"Health generate not implemented",
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)
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.into_response()
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}
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/// Get server information
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async fn get_server_info(&self, _req: Request<Body>) -> Response {
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(StatusCode::NOT_IMPLEMENTED, "Server info not implemented").into_response()
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}
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/// Get available models
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async fn get_models(&self, _req: Request<Body>) -> Response {
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(StatusCode::NOT_IMPLEMENTED, "Get models not implemented").into_response()
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}
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/// Get model information
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async fn get_model_info(&self, _req: Request<Body>) -> Response {
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(
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StatusCode::NOT_IMPLEMENTED,
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"Get model info not implemented",
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)
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.into_response()
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}
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/// Route a generate request
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async fn route_generate(
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&self,
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_headers: Option<&HeaderMap>,
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_body: &GenerateRequest,
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_model_id: Option<&str>,
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) -> Response {
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(
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StatusCode::NOT_IMPLEMENTED,
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"Generate endpoint not implemented",
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)
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.into_response()
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}
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/// Route a chat completion request
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async fn route_chat(
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&self,
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headers: Option<&HeaderMap>,
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body: &ChatCompletionRequest,
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model_id: Option<&str>,
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) -> Response;
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/// Route a completion request
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async fn route_completion(
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&self,
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_headers: Option<&HeaderMap>,
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_body: &CompletionRequest,
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_model_id: Option<&str>,
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) -> Response {
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(
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StatusCode::NOT_IMPLEMENTED,
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"Completion endpoint not implemented",
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)
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.into_response()
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}
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/// Route a responses request
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async fn route_responses(
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&self,
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_headers: Option<&HeaderMap>,
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_body: &ResponsesRequest,
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_model_id: Option<&str>,
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) -> Response {
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(
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StatusCode::NOT_IMPLEMENTED,
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"Responses endpoint not implemented",
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)
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.into_response()
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}
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/// Retrieve a stored/background response by id
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async fn get_response(
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&self,
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_headers: Option<&HeaderMap>,
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_response_id: &str,
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_params: &ResponsesGetParams,
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) -> Response {
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(StatusCode::NOT_IMPLEMENTED, "Get response not implemented").into_response()
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}
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/// Cancel a background response by id
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async fn cancel_response(&self, _headers: Option<&HeaderMap>, _response_id: &str) -> Response {
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(
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StatusCode::NOT_IMPLEMENTED,
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"Cancel response not implemented",
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)
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.into_response()
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}
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/// Delete a response by id
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async fn delete_response(&self, _headers: Option<&HeaderMap>, _response_id: &str) -> Response {
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(
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StatusCode::NOT_IMPLEMENTED,
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"Responses delete endpoint not implemented",
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)
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.into_response()
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}
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/// List input items of a response by id
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async fn list_response_input_items(
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&self,
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_headers: Option<&HeaderMap>,
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_response_id: &str,
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) -> Response {
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(
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StatusCode::NOT_IMPLEMENTED,
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"Responses list input items endpoint not implemented",
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)
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.into_response()
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}
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/// Route embedding requests (OpenAI-compatible /v1/embeddings)
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async fn route_embeddings(
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&self,
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_headers: Option<&HeaderMap>,
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_body: &EmbeddingRequest,
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_model_id: Option<&str>,
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) -> Response {
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(StatusCode::NOT_IMPLEMENTED, "Embeddings not implemented").into_response()
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}
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/// Route classification requests (OpenAI-compatible /v1/classify)
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async fn route_classify(
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&self,
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_headers: Option<&HeaderMap>,
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_body: &ClassifyRequest,
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_model_id: Option<&str>,
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) -> Response {
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(StatusCode::NOT_IMPLEMENTED, "Classify not implemented").into_response()
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}
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/// Route rerank requests
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async fn route_rerank(
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&self,
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_headers: Option<&HeaderMap>,
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_body: &RerankRequest,
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_model_id: Option<&str>,
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) -> Response {
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(StatusCode::NOT_IMPLEMENTED, "Rerank not implemented").into_response()
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}
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/// Get router type name
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fn router_type(&self) -> &'static str;
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/// Check if this is a PD router
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fn is_pd_mode(&self) -> bool {
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self.router_type() == "pd"
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}
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}
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