Split gateway control and dataplane into separate services

src/server/dataplaneClient.js

@@ -0,0 +1,43 @@
+import http from 'node:http';
+
+function request(socketPath, pathname, method = 'GET') {
+  return new Promise((resolve, reject) => {
+    const req = http.request({ socketPath, path: pathname, method }, (res) => {
+      const chunks = [];
+      res.on('data', (chunk) => chunks.push(chunk));
+      res.on('end', () => {
+        let body = {};
+        try {
+          body = JSON.parse(Buffer.concat(chunks).toString('utf8') || '{}');
+        } catch {
+          return reject(new Error('Dataplane вернул невалидный JSON'));
+        }
+        if ((res.statusCode || 500) >= 400) {
+          return reject(new Error(body.error || `Dataplane HTTP ${res.statusCode}`));
+        }
+        resolve(body);
+      });
+    });
+    req.on('error', reject);
+    req.setTimeout(6000, () => req.destroy(new Error('Dataplane не ответил за 6 секунд')));
+    req.end();
+  });
+}
+
+export function createDataplaneClient(socketPath, send = request) {
+  let current = { running: false, startedAt: null };
+  const update = async (pathname, method) => {
+    current = await send(socketPath, pathname, method);
+    return current;
+  };
+
+  return {
+    get running() { return Boolean(current.running); },
+    get startedAt() { return current.startedAt || null; },
+    refresh: () => update('/status', 'GET'),
+    apply: () => update('/apply', 'POST'),
+    restart: () => update('/restart', 'POST'),
+    stop: () => update('/stop', 'POST'),
+    shutdown: async () => current,
+  };
+}