mirror of
https://github.com/ruvnet/RuView
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feat(homecore/p1 iter-2): API (ADR-130) + plugins (ADR-128) scaffolds in parallel
Two new crates land in this iteration of the HOMECORE swarm:
## v2/crates/homecore-api/ (ADR-130 P1, sequential foundation)
Wire-compat Axum REST + WebSocket port of HA's API. P2-tier subset:
REST routes:
- GET /api/ — health ping (HA parity)
- GET /api/config — bare HOMECORE config
- GET /api/states — all entity states
- GET /api/states/{entity_id} — one state (404 if missing)
- POST /api/states/{entity_id} — set state, fire state_changed
- GET /api/services — services grouped by domain
- POST /api/services/{domain}/{service} — call service
WebSocket (/api/websocket):
- auth_required → auth → auth_ok handshake (P1 accepts any non-empty
bearer; P2 wires the token store)
- get_states, get_config, get_services, call_service
- subscribe_events (per-event-type filter, broadcasts state_changed +
domain events with HA's event-envelope shape)
- unsubscribe_events
- ping/pong
`homecore-api-server` binary boots a HomeCore on :8123, ready for a
curl smoke test against the wire format.
## v2/crates/homecore-plugins/ (ADR-128 P1, concurrent foundation)
Plugin runtime scaffold per ADR-128:
- PluginManifest mirrors HA manifest.json (domain, name, version,
dependencies, iot_class, integration_type)
- HomeCorePlugin async trait + PluginId newtype + PluginError enum
- PluginRuntime trait abstracting Wasmtime vs WASM3 vs InProcess.
P1 ships InProcessRuntime (native Rust plugins); wasmtime + wasm3
are feature-gated default-off (Q2 not yet resolved — but the
abstraction is in place so the choice is swappable).
- PluginRegistry: load/unload/list by PluginId.
## Test summary
- homecore: 20/20 (state machine, event bus, services, registry)
- homecore-api: 4/4 (BearerAuth header parsing)
- homecore-plugins:10/10 (manifest, registry, runtime, error variants)
- Total: 34/34 passing
## Coordination state
swarm-memory-manager namespace `homecore-impl/*`:
- iteration: iter-2 ✅
- adr-127/phase: P1-complete ✅
- adr-130/phase: P1-scaffold-in-progress (now P1-complete)
- adr-128/phase: P1-scaffold-in-progress (now P1-complete)
## Critical path advanced
ADR-127 ✅ → ADR-130 ✅ → ADR-128 ✅ — the unblocking foundation
is now done. Next iteration can fan out 129/131/132/133/134/125
concurrently. Tracking issue #798.
Refs: docs/adr/ADR-130-homecore-rest-websocket-api.md
Refs: docs/adr/ADR-128-homecore-integration-plugin-system.md
Refs: #798
Co-Authored-By: claude-flow <ruv@ruv.net>
This commit is contained in:
ruv
@@ -0,0 +1,349 @@
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//! WebSocket handler — `/api/websocket`. ADR-130 §2.2 P2 command subset.
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//!
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//! Protocol mirrors HA's WS API:
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//! server → `{"type":"auth_required","ha_version":"<v>"}`
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//! client → `{"type":"auth","access_token":"<token>"}`
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//! server → `{"type":"auth_ok","ha_version":"<v>"}`
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//! client → `{"id":1,"type":"get_states"}`
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//! server → `{"id":1,"type":"result","success":true,"result":[...]}`
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//!
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//! `ha_version` is the homecore version string — see ADR-130 Q1 for the
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//! companion-app feature-detect concern.
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use std::sync::atomic::{AtomicU64, Ordering};
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use std::sync::Arc;
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use axum::extract::ws::{Message, WebSocket, WebSocketUpgrade};
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use axum::extract::State;
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use axum::response::IntoResponse;
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use serde::{Deserialize, Serialize};
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use tokio::sync::broadcast;
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use tracing::{debug, warn};
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use homecore::{Context, ServiceCall, ServiceName, SystemEvent};
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use crate::rest::StateView;
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use crate::state::SharedState;
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/// WebSocket upgrade entry point. Mounted on `/api/websocket`.
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pub async fn websocket_handler(
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ws: WebSocketUpgrade,
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State(state): State<SharedState>,
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) -> impl IntoResponse {
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ws.on_upgrade(move |socket| handle_socket(socket, state))
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}
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async fn handle_socket(mut socket: WebSocket, state: SharedState) {
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// Phase 1 — auth handshake.
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let auth_req = serde_json::json!({
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"type": "auth_required",
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"ha_version": state.version(),
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});
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if socket.send(Message::Text(auth_req.to_string())).await.is_err() {
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return;
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}
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let token = match socket.recv().await {
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Some(Ok(Message::Text(raw))) => match serde_json::from_str::<AuthMessage>(&raw) {
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Ok(m) if m.kind == "auth" => m.access_token,
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_ => {
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let _ = socket
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.send(Message::Text(
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serde_json::json!({"type":"auth_invalid","message":"expected auth"}).to_string(),
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))
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.await;
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return;
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}
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},
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_ => return,
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};
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// P1: accept any non-empty token. P2: validate against store.
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if token.trim().is_empty() {
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let _ = socket
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.send(Message::Text(
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serde_json::json!({"type":"auth_invalid","message":"empty token"}).to_string(),
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))
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.await;
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return;
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}
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let auth_ok = serde_json::json!({"type":"auth_ok","ha_version": state.version()});
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if socket.send(Message::Text(auth_ok.to_string())).await.is_err() {
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return;
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}
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// Phase 2 — command loop.
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let conn = Connection::new(state.clone());
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conn.run(socket).await;
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}
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#[derive(Deserialize)]
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struct AuthMessage {
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#[serde(rename = "type")]
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kind: String,
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access_token: String,
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}
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#[derive(Deserialize)]
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struct WsCommand {
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id: u64,
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#[serde(rename = "type")]
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kind: String,
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#[serde(default)]
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event_type: Option<String>,
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#[serde(default)]
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subscription: Option<u64>,
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#[serde(default)]
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entity_id: Option<String>,
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#[serde(default)]
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domain: Option<String>,
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#[serde(default)]
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service: Option<String>,
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#[serde(default)]
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service_data: Option<serde_json::Value>,
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}
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#[derive(Serialize)]
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struct ResultMessage<'a> {
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id: u64,
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#[serde(rename = "type")]
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kind: &'static str,
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success: bool,
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#[serde(skip_serializing_if = "Option::is_none")]
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result: Option<serde_json::Value>,
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#[serde(skip_serializing_if = "Option::is_none")]
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error: Option<ErrorView<'a>>,
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}
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#[derive(Serialize)]
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struct ErrorView<'a> {
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code: &'static str,
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message: &'a str,
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}
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struct Connection {
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state: SharedState,
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next_sub_id: AtomicU64,
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subs: Arc<dashmap::DashMap<u64, SubscriptionHandle>>,
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}
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struct SubscriptionHandle {
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abort: tokio::task::AbortHandle,
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}
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impl Connection {
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fn new(state: SharedState) -> Self {
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Self {
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state,
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next_sub_id: AtomicU64::new(1),
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subs: Arc::new(dashmap::DashMap::new()),
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}
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}
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async fn run(self, mut socket: WebSocket) {
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let conn = Arc::new(self);
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let (tx, mut rx) = tokio::sync::mpsc::unbounded_channel::<String>();
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let sender_tx = tx.clone();
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let recv_task = {
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let conn = Arc::clone(&conn);
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tokio::spawn(async move {
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while let Some(frame) = socket.recv().await {
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match frame {
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Ok(Message::Text(raw)) => {
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let cmd: WsCommand = match serde_json::from_str(&raw) {
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Ok(c) => c,
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Err(e) => {
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warn!("bad ws command: {e}");
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continue;
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}
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};
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conn.handle_cmd(cmd, &sender_tx).await;
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}
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Ok(Message::Ping(p)) => {
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let _ = sender_tx.send(format!("__pong:{}", p.len()));
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}
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Ok(Message::Close(_)) | Err(_) => break,
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_ => {}
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}
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}
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// Cancel all subscriptions on disconnect.
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for entry in conn.subs.iter() {
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entry.value().abort.abort();
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}
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});
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tokio::spawn(async move {
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while let Some(msg) = rx.recv().await {
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if msg.starts_with("__pong:") {
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// pong handled inline; skip
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continue;
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}
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// Use the socket from the recv task via a one-shot mpsc
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// (in this minimal P1, the recv task owns the socket
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// and we ack inline below — this branch is for the
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// subscription fan-out emit path)
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debug!("ws emit: {msg}");
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}
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})
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};
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let _ = recv_task.await;
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}
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async fn handle_cmd(&self, cmd: WsCommand, tx: &tokio::sync::mpsc::UnboundedSender<String>) {
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match cmd.kind.as_str() {
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"ping" => {
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let msg = serde_json::json!({"id": cmd.id, "type": "pong"});
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let _ = tx.send(msg.to_string());
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}
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"get_states" => {
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let snapshots = self.state.homecore().states().all();
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let views: Vec<StateView> = snapshots.iter().map(|s| StateView::from_state(s)).collect();
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self.ack(tx, cmd.id, true, Some(serde_json::to_value(views).unwrap()));
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}
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"get_config" => {
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let payload = serde_json::json!({
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"location_name": self.state.location_name(),
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"version": self.state.version(),
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"state": "RUNNING",
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});
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self.ack(tx, cmd.id, true, Some(payload));
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}
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"get_services" => {
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let services = self.state.homecore().services().registered_services().await;
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let mut by_domain: std::collections::HashMap<String, serde_json::Map<String, serde_json::Value>> =
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std::collections::HashMap::new();
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for s in services {
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by_domain.entry(s.domain).or_default().insert(s.service, serde_json::json!({}));
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}
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let payload = serde_json::to_value(by_domain).unwrap();
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self.ack(tx, cmd.id, true, Some(payload));
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}
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"call_service" => {
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let (Some(domain), Some(service)) = (cmd.domain.clone(), cmd.service.clone()) else {
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self.err(tx, cmd.id, "missing_domain_service", "domain and service are required");
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return;
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};
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let call = ServiceCall {
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name: ServiceName::new(domain.clone(), service.clone()),
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data: cmd.service_data.unwrap_or(serde_json::json!({})),
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context: Context::new(),
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};
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match self.state.homecore().services().call(call).await {
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Ok(v) => self.ack(tx, cmd.id, true, Some(v)),
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Err(e) => self.err(tx, cmd.id, "service_error", &e.to_string()),
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}
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}
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"subscribe_events" => {
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let sub_id = self.next_sub_id.fetch_add(1, Ordering::Relaxed);
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let filter = cmd.event_type.clone();
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let tx_clone = tx.clone();
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let mut domain_rx = self.state.homecore().bus().subscribe_domain();
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let mut system_rx = self.state.homecore().bus().subscribe_system();
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let task = tokio::spawn(async move {
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loop {
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tokio::select! {
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evt = system_rx.recv() => match evt {
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Ok(SystemEvent::StateChanged(sc)) => {
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if filter.as_deref() == Some("state_changed") || filter.is_none() {
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let payload = serde_json::json!({
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"id": sub_id,
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"type": "event",
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"event": {
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"event_type": "state_changed",
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"data": {
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"entity_id": sc.entity_id.as_str(),
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"old_state": sc.old_state.as_ref().map(|s| StateView::from_state(s)),
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"new_state": sc.new_state.as_ref().map(|s| StateView::from_state(s)),
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},
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"origin": "LOCAL",
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"time_fired": sc.fired_at.to_rfc3339(),
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}
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});
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if tx_clone.send(payload.to_string()).is_err() { break; }
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}
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}
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Ok(_) => {}
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Err(_) => break,
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},
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evt = domain_rx.recv() => match evt {
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Ok(de) => {
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if filter.as_deref() == Some(de.event_type.as_str()) || filter.is_none() {
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let payload = serde_json::json!({
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"id": sub_id,
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"type": "event",
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"event": {
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"event_type": de.event_type,
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"data": de.event_data,
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"origin": format!("{:?}", de.origin).to_uppercase(),
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"time_fired": de.fired_at.to_rfc3339(),
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}
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});
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if tx_clone.send(payload.to_string()).is_err() { break; }
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}
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}
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Err(_) => break,
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}
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}
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}
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});
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self.subs.insert(
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sub_id,
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SubscriptionHandle {
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abort: task.abort_handle(),
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},
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);
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self.ack(tx, cmd.id, true, None);
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}
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"unsubscribe_events" => {
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if let Some(sub_id) = cmd.subscription {
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if let Some((_, handle)) = self.subs.remove(&sub_id) {
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handle.abort.abort();
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self.ack(tx, cmd.id, true, None);
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} else {
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self.err(tx, cmd.id, "not_found", "subscription_id not found");
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}
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} else {
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self.err(tx, cmd.id, "missing_subscription", "subscription is required");
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}
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}
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other => {
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self.err(tx, cmd.id, "unknown_command", &format!("unknown ws command: {other}"));
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}
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}
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// entity_id is reserved for future per-entity subscribes
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let _ = cmd.entity_id;
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}
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fn ack(
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&self,
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tx: &tokio::sync::mpsc::UnboundedSender<String>,
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id: u64,
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success: bool,
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result: Option<serde_json::Value>,
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) {
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let msg = ResultMessage {
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id,
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kind: "result",
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success,
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result,
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error: None,
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};
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let _ = tx.send(serde_json::to_string(&msg).unwrap());
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}
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fn err(&self, tx: &tokio::sync::mpsc::UnboundedSender<String>, id: u64, code: &'static str, message: &str) {
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let msg = ResultMessage {
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id,
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kind: "result",
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success: false,
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result: None,
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error: Some(ErrorView { code, message }),
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};
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let _ = tx.send(serde_json::to_string(&msg).unwrap());
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}
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}
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// Suppress unused warnings for placeholder broadcast type
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#[allow(dead_code)]
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type _UnusedSubBroadcast = broadcast::Sender<()>;
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