Add Plutonium version checks and scheduled rolling restarts

src/lib/server/integrations/rcon.ts

@@ -3,6 +3,7 @@ import type { Socket } from 'node:dgram';
 import { config, komodoConfigured, rconConfigured } from '../config.js';
 import { getServer, setServerField } from '../fleet/servers.js';
 import { komodoResolveGamePort } from './komodo.js';
+import { parsePlutoniumRevision } from '../../plutonium.js';
 
 // Plutonium/CoD RCON is UDP with a 4-byte 0xff prefix. Requests look like
 //   \xff\xff\xff\xffrcon <password> <command>
@@ -451,3 +452,14 @@ function positiveCapacity(value: string | undefined): number | null {
     const count = Number(value);
     return Number.isInteger(count) && count > 0 ? count : null;
 }
+
+/** Query the running process, not the updater's on-disk files. */
+export async function rconPlutoniumVersion(server: string): Promise<{ revision: number | null; error: string | null }> {
+    const { endpoint } = await endpointFor(server);
+    if (!endpoint) return { revision: null, error: 'No RCON endpoint available.' };
+    const response = await sendRcon(endpoint.host, endpoint.port, 'version');
+    if (!response.ok) return { revision: null, error: response.detail };
+    const body = stripPrefix(response.buf);
+    const revision = body?.trimStart().startsWith('print') ? parsePlutoniumRevision(body) : null;
+    return { revision, error: revision === null ? 'RCON version reply did not identify a Plutonium revision.' : null };
+}