rust_analyzer_cli/daemon/
server.rs1use crate::cargo::run_cargo_check;
2use crate::daemon::state::AppState;
3use crate::lsp::types::*;
4use axum::{
5 extract::State,
6 http::StatusCode,
7 routing::{get, post},
8 Json, Router,
9};
10use std::net::SocketAddr;
11use std::path::PathBuf;
12use std::sync::Arc;
13use tracing::info;
14
15pub async fn start_daemon_server(workspace_root: PathBuf, port: u16) -> anyhow::Result<()> {
16 let state = Arc::new(AppState::new(workspace_root));
17
18 let app = Router::new()
19 .route("/status", get(handle_status))
20 .route("/refresh", post(handle_refresh))
21 .route("/api/symbol", post(handle_symbol))
22 .route("/api/outline", post(handle_outline))
23 .route("/api/definition", post(handle_definition))
24 .route("/api/cursor", post(handle_cursor))
25 .route("/api/type-hierarchy", post(handle_type_hierarchy))
26 .route("/api/check", post(handle_check))
27 .with_state(state);
28
29 let addr = SocketAddr::from(([127, 0, 0, 1], port));
30 info!("rust-analyzer-cli daemon listening on http://{}", addr);
31 println!("rust-analyzer-cli daemon started on http://{}", addr);
32
33 let listener = tokio::net::TcpListener::bind(addr).await?;
34 axum::serve(listener, app).await?;
35 Ok(())
36}
37
38async fn handle_status(
39 State(state): State<Arc<AppState>>,
40) -> Result<Json<DaemonStatusResponse>, (StatusCode, String)> {
41 let client_opt = state.lsp_client.read().await;
42 let (ready, pid) = match client_opt.as_ref() {
43 Some(c) => (true, c.process_id),
44 None => (false, 0),
45 };
46
47 Ok(Json(DaemonStatusResponse {
48 ready,
49 indexed_at: Some(chrono_now_str()),
50 workspace_root: state.workspace_root.to_string_lossy().to_string(),
51 process_id: pid,
52 }))
53}
54
55async fn handle_refresh(
56 State(state): State<Arc<AppState>>,
57) -> Result<Json<serde_json::Value>, (StatusCode, String)> {
58 state
59 .refresh_lsp()
60 .await
61 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
62 Ok(Json(serde_json::json!({ "success": true, "message": "LSP session refreshed" })))
63}
64
65async fn handle_symbol(
66 State(state): State<Arc<AppState>>,
67 Json(req): Json<SymbolQueryRequest>,
68) -> Result<Json<Vec<SymbolItem>>, (StatusCode, String)> {
69 let client = state
70 .get_or_start_lsp()
71 .await
72 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
73
74 let items = client
75 .query_symbol(&req.name, &req.kind, req.exact)
76 .await
77 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
78
79 Ok(Json(items))
80}
81
82async fn handle_outline(
83 State(state): State<Arc<AppState>>,
84 Json(req): Json<OutlineQueryRequest>,
85) -> Result<Json<Vec<OutlineItem>>, (StatusCode, String)> {
86 let client = state
87 .get_or_start_lsp()
88 .await
89 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
90
91 let items = client
92 .query_outline(&req.file)
93 .await
94 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
95
96 Ok(Json(items))
97}
98
99async fn handle_definition(
100 State(state): State<Arc<AppState>>,
101 Json(req): Json<DefinitionQueryRequest>,
102) -> Result<Json<Vec<DefinitionItem>>, (StatusCode, String)> {
103 let client = state
104 .get_or_start_lsp()
105 .await
106 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
107
108 let items = client
109 .query_definition(&req.file, req.line, req.col)
110 .await
111 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
112
113 Ok(Json(items))
114}
115
116async fn handle_cursor(
117 State(state): State<Arc<AppState>>,
118 Json(req): Json<CursorQueryRequest>,
119) -> Result<Json<Vec<CursorItem>>, (StatusCode, String)> {
120 let client = state
121 .get_or_start_lsp()
122 .await
123 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
124
125 let items = client
126 .query_cursor(&req.file, req.line, req.col, &req.mode, req.depth)
127 .await
128 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
129
130 Ok(Json(items))
131}
132
133async fn handle_type_hierarchy(
134 State(state): State<Arc<AppState>>,
135 Json(req): Json<TypeHierarchyQueryRequest>,
136) -> Result<Json<Vec<TypeHierarchyItemResult>>, (StatusCode, String)> {
137 let client = state
138 .get_or_start_lsp()
139 .await
140 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
141
142 let items = client
143 .query_type_hierarchy(&req.file, req.line, req.col, &req.mode, req.depth)
144 .await
145 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
146
147 Ok(Json(items))
148}
149
150
151async fn handle_check(
152 State(state): State<Arc<AppState>>,
153 Json(req): Json<CheckQueryRequest>,
154) -> Result<Json<CheckResponse>, (StatusCode, String)> {
155 let res = run_cargo_check(&state.workspace_root, req.target.as_deref())
156 .await
157 .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
158
159 Ok(Json(res))
160}
161
162fn chrono_now_str() -> String {
163 let now = std::time::SystemTime::now();
164 format!("{:?}", now)
165}