Split gateway control and dataplane into separate services

src/server/dataplane.js

@@ -0,0 +1,70 @@
+import fs from 'node:fs';
+import http from 'node:http';
+import path from 'node:path';
+import { settings } from './config.js';
+import { createSingboxRuntime } from './singboxRuntime.js';
+
+const socketPath = settings.dataplaneSocket;
+const runtime = createSingboxRuntime({
+  configPath: settings.configPath,
+  gateway: true,
+  tproxyChain: settings.tproxyChain,
+});
+let ready = false;
+
+function sendJson(res, statusCode, payload) {
+  res.writeHead(statusCode, { 'content-type': 'application/json; charset=utf-8' });
+  res.end(JSON.stringify(payload));
+}
+
+const server = http.createServer(async (req, res) => {
+  try {
+    if (req.method === 'GET' && req.url === '/status') {
+      return sendJson(res, ready ? 200 : 503, {
+        ...await runtime.refresh(),
+        ready,
+      });
+    }
+    if (req.method === 'POST' && req.url === '/apply') {
+      return sendJson(res, 200, await runtime.apply());
+    }
+    if (req.method === 'POST' && req.url === '/restart') {
+      return sendJson(res, 200, await runtime.restart());
+    }
+    if (req.method === 'POST' && req.url === '/stop') {
+      return sendJson(res, 200, await runtime.stop());
+    }
+    return sendJson(res, 404, { error: 'Не найдено' });
+  } catch (error) {
+    return sendJson(res, 500, { error: error.message || String(error) });
+  }
+});
+
+fs.mkdirSync(path.dirname(socketPath), { recursive: true });
+fs.rmSync(socketPath, { force: true });
+server.listen(socketPath, async () => {
+  fs.chmodSync(socketPath, 0o660);
+  try {
+    await runtime.apply();
+  } catch (error) {
+    console.warn(`[dataplane] sing-box не запущен: ${error.message}`);
+  } finally {
+    ready = true;
+    console.log(`[dataplane] control socket: ${socketPath}`);
+  }
+});
+
+let shuttingDown = false;
+async function shutdown() {
+  if (shuttingDown) return;
+  shuttingDown = true;
+  ready = false;
+  await runtime.shutdown();
+  server.close(() => {
+    fs.rmSync(socketPath, { force: true });
+    process.exit(0);
+  });
+}
+
+process.on('SIGTERM', shutdown);
+process.on('SIGINT', shutdown);