Backend: Match-Lobbys, Map-Veto, Echtzeit und CS2-Serveradapter
Express + Socket.IO + SQLite. Veto-Engine mit konfigurierbaren Map-Pools und validierten Abläufen, rollenbasierte Berechtigungen, Server-Lebenszyklus mit Demo-, Docker- und Static-Pool-Adapter (RCON), automatisches Herunterfahren.
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import { buildMapCommands } from './cs2Config.js';
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import { HttpError, CLOSED_STATUSES } from '../matchService.js';
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import { randomPassword } from '../security.js';
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export const SERVER_STATUS = {
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starting: 'Server startet',
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ready: 'Server bereit – wartet auf Veto',
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configuring: 'Server wird konfiguriert',
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configured: 'Server konfiguriert',
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start_failed: 'Serverstart fehlgeschlagen',
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config_failed: 'Konfiguration fehlgeschlagen',
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failed: 'Server ausgefallen',
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stopped: 'Server gestoppt',
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};
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const ACTIVE = ['starting', 'ready', 'configuring', 'configured', 'config_failed', 'failed'];
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const SLOW_POLL_MS = 30_000;
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/**
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* Steuert den Lebenszyklus der Match-Server. Kennt nur die Adapter-Schnittstelle
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* (start/status/configure/stop) und speichert alle Zugangsdaten ausschließlich in der Datenbank.
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*/
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export class ServerManager {
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constructor({ db, service, adapter, config, logger = console }) {
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Object.assign(this, { db, service, adapter, config, logger });
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this.busy = new Set();
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this.lastPoll = new Map();
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this.timers = [];
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}
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init() {
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this.service.on('created', (id) => this.provision(id).catch((err) => this.logger.error(err)));
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this.service.on('vetoFinished', (id) => this.maybeConfigure(id));
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this.service.on('closed', (id) => this.stop(id, 'Match beendet').catch((err) => this.logger.error(err)));
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}
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/** Nach einem Neustart des Backends: unterbrochene Vorgänge aufräumen und fortsetzen. */
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async resume() {
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const rows = this.db.prepare(`SELECT * FROM servers WHERE status IN ('starting','configuring')`).all();
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for (const row of rows) {
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if (row.status === 'starting' && !row.handle) {
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this.update(row.match_id, { status: 'start_failed', message: 'Start wurde durch einen Neustart des Backends unterbrochen' });
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} else if (row.status === 'configuring') {
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this.update(row.match_id, { status: 'ready', message: 'Konfiguration wurde unterbrochen und wird wiederholt' });
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this.maybeConfigure(row.match_id);
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}
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}
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}
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startLoops() {
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this.timers.push(setInterval(() => this.poll().catch((e) => this.logger.error(e)), this.config.statusPollSeconds * 1000));
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this.timers.push(setInterval(() => this.reap().catch((e) => this.logger.error(e)), this.config.reaperIntervalSeconds * 1000));
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}
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stopLoops() {
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this.timers.forEach(clearInterval);
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this.timers = [];
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}
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row(matchId) {
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return this.db.prepare('SELECT * FROM servers WHERE match_id = ?').get(matchId) ?? null;
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}
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update(matchId, fields) {
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const entries = { ...fields, updated_at: Date.now() };
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const sets = Object.keys(entries).map((k) => `${k} = @${k}`).join(', ');
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this.db.prepare(`UPDATE servers SET ${sets} WHERE match_id = @match_id`).run({ ...entries, match_id: matchId });
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this.service.changed(matchId);
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}
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usedPorts() {
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const used = new Set();
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for (const r of this.db.prepare(`SELECT host, port, tv_port FROM servers WHERE status != 'stopped' AND port IS NOT NULL`).all()) {
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used.add(r.port);
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used.add(r.tv_port);
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used.add(`${r.host}:${r.port}`);
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}
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return used;
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}
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// ---------- Start ----------
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async provision(matchId) {
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if (this.busy.has(matchId)) throw new HttpError(409, 'Für diesen Server läuft bereits eine Aktion', 'busy');
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this.busy.add(matchId);
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try {
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const previous = this.row(matchId);
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const secrets = {
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rconPassword: randomPassword(24),
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serverPassword: randomPassword(10),
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tvPassword: randomPassword(10),
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};
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const now = Date.now();
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this.db
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.prepare(
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`INSERT INTO servers (match_id, adapter, simulated, status, message, handle, host, port, tv_port,
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rcon_password, server_password, tv_password, config_key, attempts, started_at, updated_at)
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VALUES (@match_id, @adapter, @simulated, 'starting', @message, NULL, NULL, NULL, NULL,
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@rcon, @server, @tv, @key, @attempts, @now, @now)
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ON CONFLICT(match_id) DO UPDATE SET adapter = excluded.adapter, simulated = excluded.simulated,
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status = 'starting', message = excluded.message, handle = NULL, host = NULL, port = NULL, tv_port = NULL,
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rcon_password = excluded.rcon_password, server_password = excluded.server_password,
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tv_password = excluded.tv_password, config_key = excluded.config_key, attempts = excluded.attempts,
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started_at = excluded.started_at, ready_at = NULL, configured_at = NULL, stopped_at = NULL,
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player_count = NULL, last_player_seen_at = NULL, updated_at = excluded.updated_at`,
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)
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.run({
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match_id: matchId,
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adapter: this.adapter.name,
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simulated: this.adapter.simulated ? 1 : 0,
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message: this.adapter.simulated ? 'Demo-Modus: es wird kein echter Server gestartet' : 'Server wird angefordert',
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rcon: secrets.rconPassword,
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server: secrets.serverPassword,
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tv: secrets.tvPassword,
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key: randomPassword(24),
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attempts: (previous?.attempts ?? 0) + 1,
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now,
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});
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this.service.changed(matchId);
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this.service.log(matchId, 'server', this.adapter.simulated ? 'Demo-Server (Simulation) wird vorbereitet' : 'Server wird gestartet');
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const match = this.service.getMatch(matchId);
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try {
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const result = await this.adapter.start({ matchId, mode: match.mode, secrets });
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this.update(matchId, {
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handle: JSON.stringify(result.handle),
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host: result.host,
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port: result.port,
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tv_port: result.tvPort,
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message: this.adapter.simulated ? 'Simulierter Start läuft' : 'Server fährt hoch',
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});
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} catch (err) {
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this.update(matchId, { status: 'start_failed', message: err.message });
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this.service.log(matchId, 'server', `Serverstart fehlgeschlagen: ${err.message}`);
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}
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} finally {
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this.busy.delete(matchId);
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}
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}
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// ---------- Status ----------
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async poll() {
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const rows = this.db
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.prepare(`SELECT * FROM servers WHERE status IN ('starting','ready','configured','config_failed') AND handle IS NOT NULL`)
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.all();
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await Promise.all(rows.map((row) => this.pollOne(row)));
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}
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async pollOne(row) {
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const matchId = row.match_id;
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if (this.busy.has(matchId)) return;
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const last = this.lastPoll.get(matchId) ?? 0;
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if (row.status !== 'starting' && Date.now() - last < SLOW_POLL_MS) return;
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this.lastPoll.set(matchId, Date.now());
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let status;
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try {
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status = await this.adapter.status(JSON.parse(row.handle));
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} catch (err) {
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status = { state: row.status === 'starting' ? 'starting' : 'running', message: `Statusabfrage fehlgeschlagen: ${err.message}` };
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}
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const current = this.row(matchId);
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if (!current || current.status !== row.status) return; // zwischenzeitlich geändert
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const fields = {};
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if (status.playerCount !== undefined && status.playerCount !== current.player_count) fields.player_count = status.playerCount;
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if (status.playerCount > 0) fields.last_player_seen_at = Date.now();
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if (status.state === 'running' && current.status === 'starting') {
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Object.assign(fields, { status: 'ready', ready_at: Date.now(), message: status.message ?? 'Server ist erreichbar' });
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this.service.log(matchId, 'server', this.adapter.simulated ? 'Demo-Server (Simulation) bereit' : 'Server ist hochgefahren');
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} else if (status.state === 'failed') {
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Object.assign(fields, { status: current.status === 'starting' ? 'start_failed' : 'failed', message: status.message });
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this.service.log(matchId, 'server', `Server-Fehler: ${status.message}`);
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} else if (status.state === 'stopped') {
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Object.assign(fields, { status: 'stopped', stopped_at: Date.now(), message: status.message ?? 'Server wurde extern beendet' });
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this.service.log(matchId, 'server', 'Server wurde außerhalb der Anwendung beendet');
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} else if (status.message && status.message !== current.message && current.status === 'starting') {
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fields.message = status.message;
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}
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if (Object.keys(fields).length) this.update(matchId, fields);
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if (fields.status === 'ready') this.maybeConfigure(matchId);
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}
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// ---------- Konfiguration ----------
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maybeConfigure(matchId) {
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const match = this.service.getMatch(matchId);
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const row = this.row(matchId);
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if (match.status === 'server_setup' && row?.status === 'ready') {
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this.configure(matchId).catch((err) => this.logger.error(err));
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}
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}
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async configure(matchId) {
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const row = this.row(matchId);
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if (!row?.handle) throw new HttpError(409, 'Es gibt noch keinen gestarteten Server', 'no_server');
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if (!['ready', 'configured', 'config_failed'].includes(row.status)) {
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throw new HttpError(409, `Server kann im Zustand „${SERVER_STATUS[row.status]}" nicht konfiguriert werden`, 'wrong_state');
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}
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if (this.busy.has(matchId)) throw new HttpError(409, 'Für diesen Server läuft bereits eine Aktion', 'busy');
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this.busy.add(matchId);
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try {
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const match = this.service.getMatch(matchId);
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const pool = this.service.poolFor(match);
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const seriesMap = this.service
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.seriesMaps(matchId)
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.find((m) => m.number === match.current_map_number);
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if (!seriesMap) throw new HttpError(409, 'Das Veto ist noch nicht abgeschlossen', 'veto_pending');
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const mapName = pool.maps.find((m) => m.id === seriesMap.map)?.name ?? seriesMap.map;
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this.update(matchId, { status: 'configuring', message: `Lade Map ${seriesMap.number}: ${mapName}` });
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this.service.log(matchId, 'server', `Konfiguration für Map ${seriesMap.number} (${mapName}) gestartet`);
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const plan = buildMapCommands({
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match,
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pool,
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seriesMap: { map: seriesMap.map, ctTeam: seriesMap.ct_team },
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secrets: { serverPassword: row.server_password, tvPassword: row.tv_password },
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settings: this.config.match,
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});
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try {
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await this.adapter.configure(JSON.parse(row.handle), { map: seriesMap.map, ...plan });
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} catch (err) {
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this.update(matchId, { status: 'config_failed', message: err.message });
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this.service.log(matchId, 'server', `Konfiguration fehlgeschlagen: ${err.message}`);
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return;
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}
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this.update(matchId, {
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status: 'configured',
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configured_at: Date.now(),
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message: this.adapter.simulated
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? `Simuliert: ${mapName} wäre jetzt geladen – kein echter Server`
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: `${mapName} geladen – Aufwärmphase läuft`,
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});
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this.service.markCurrentMapLive(matchId);
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if (this.service.getMatch(matchId).status === 'server_setup') this.service.setStatus(matchId, 'live');
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this.service.log(matchId, 'server', `Map ${seriesMap.number} (${mapName}) ist eingerichtet`);
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} finally {
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this.busy.delete(matchId);
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}
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}
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// ---------- Aktionen des Organisators ----------
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async retry(viewer) {
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this.service.require(viewer, 'organizer');
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const matchId = viewer.matchId;
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const match = this.service.getMatch(matchId);
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if (CLOSED_STATUSES.includes(match.status)) throw new HttpError(409, 'Das Match ist bereits beendet', 'match_closed');
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const row = this.row(matchId);
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if (this.busy.has(matchId)) throw new HttpError(409, 'Für diesen Server läuft bereits eine Aktion', 'busy');
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if (!row || ['start_failed', 'failed', 'stopped'].includes(row.status)) {
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if (row?.handle) await this.safeStop(row);
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this.service.log(matchId, 'server', 'Organisator startet den Server neu');
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await this.provision(matchId);
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return;
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}
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if (row.status === 'config_failed' || (row.status === 'ready' && match.status === 'server_setup')) {
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this.service.log(matchId, 'server', 'Organisator wiederholt die Konfiguration');
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this.configure(matchId).catch((err) => this.logger.error(err));
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return;
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}
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throw new HttpError(409, `Im Zustand „${SERVER_STATUS[row.status]}" ist kein erneuter Versuch nötig`, 'wrong_state');
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}
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async loadNextMap(viewer) {
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this.service.require(viewer, 'organizer');
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const row = this.row(viewer.matchId);
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if (row?.status !== 'configured') throw new HttpError(409, 'Der Server ist nicht bereit für die nächste Map', 'wrong_state');
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this.service.advanceSeries(viewer);
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this.configure(viewer.matchId).catch((err) => this.logger.error(err));
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}
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async endWarmup(viewer) {
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this.service.require(viewer, 'organizer');
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const row = this.row(viewer.matchId);
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if (row?.status !== 'configured') throw new HttpError(409, 'Der Server ist noch nicht konfiguriert', 'wrong_state');
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if (!this.adapter.sendCommands) throw new HttpError(501, 'Dieser Adapter unterstützt keine Befehle', 'unsupported');
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try {
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await this.adapter.sendCommands(JSON.parse(row.handle), ['mp_warmup_pausetimer 0', 'mp_warmup_end']);
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} catch (err) {
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throw new HttpError(502, `Befehl konnte nicht gesendet werden: ${err.message}`, 'server_error');
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}
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this.service.log(viewer.matchId, 'server', this.adapter.simulated ? 'Aufwärmphase beendet (simuliert)' : 'Aufwärmphase beendet – Match startet');
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this.service.changed(viewer.matchId);
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}
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async stopByOrganizer(viewer) {
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this.service.require(viewer, 'organizer');
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await this.stop(viewer.matchId, 'Vom Organisator gestoppt');
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}
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async safeStop(row) {
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try {
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await this.adapter.stop(JSON.parse(row.handle), { resetPassword: randomPassword(16) });
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} catch (err) {
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this.logger.warn(`[server] Stopp für ${row.match_id} fehlgeschlagen: ${err.message}`);
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}
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}
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async stop(matchId, reason) {
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const row = this.row(matchId);
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if (!row || row.status === 'stopped') return;
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if (row.handle) await this.safeStop(row);
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this.update(matchId, { status: 'stopped', stopped_at: Date.now(), message: reason, player_count: null });
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this.service.log(matchId, 'server', `Server gestoppt: ${reason}`);
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}
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// ---------- Automatisches Herunterfahren ----------
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async reap(now = Date.now()) {
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const timeoutMs = this.config.idleTimeoutMinutes * 60_000;
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const rows = this.db.prepare(`SELECT * FROM servers WHERE status IN (${ACTIVE.map(() => '?').join(',')})`).all(...ACTIVE);
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for (const row of rows) {
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if (this.busy.has(row.match_id)) continue;
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const match = this.service.getMatch(row.match_id);
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if (CLOSED_STATUSES.includes(match.status)) {
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await this.stop(row.match_id, 'Match beendet');
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continue;
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}
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if (row.started_at && now - row.started_at > this.config.maxLifetimeHours * 3_600_000) {
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await this.stop(row.match_id, `Maximale Laufzeit von ${this.config.maxLifetimeHours} h erreicht`);
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continue;
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}
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const webActive = this.service.presence(row.match_id).size > 0;
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let lastUse = match.last_activity_at;
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if (row.status === 'configured' && row.player_count !== null) {
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// Echter Server mit bekannter Spielerzahl: entscheidend ist, ob jemand auf dem Server ist.
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if (row.player_count > 0) continue;
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lastUse = Math.max(row.configured_at ?? 0, row.last_player_seen_at ?? 0);
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} else if (webActive) {
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continue;
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}
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if (now - lastUse > timeoutMs) {
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await this.stop(row.match_id, `Automatisch heruntergefahren – ${this.config.idleTimeoutMinutes} Minuten ungenutzt`);
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}
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}
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}
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}
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