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feat: добавлены функции для работы с PID sing-box

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This commit is contained in:
Dmitriy Petrov
2026-05-08 19:41:17 +03:00
parent 8476ab16e5
commit 0cd898d1c1
5 changed files with 203 additions and 48 deletions
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165
src/server/index.js
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@@ -17,6 +17,8 @@ const APPLY_HISTORY_LIMIT = 10;
fs.mkdirSync(settings.dataDir, { recursive: true });
const SINGBOX_PID_FILE = path.join(settings.dataDir, 'singbox.pid');
let singboxProcess = null;
let singboxStartedAt = null;
const LOG_BUFFER_SIZE = 500;
@@ -47,6 +49,61 @@ function parseSingboxLevel(line, fallback) {
return l; // trace, debug, info, error
}
// ─── PID helpers ────────────────────────────────────────────────────────────
function saveSingboxPid(pid) {
try { fs.writeFileSync(SINGBOX_PID_FILE, String(pid), 'utf8'); } catch {}
}
function readSingboxPid() {
try {
const pid = parseInt(fs.readFileSync(SINGBOX_PID_FILE, 'utf8').trim(), 10);
return Number.isFinite(pid) && pid > 0 ? pid : null;
} catch { return null; }
}
function removeSingboxPid() {
try { fs.unlinkSync(SINGBOX_PID_FILE); } catch {}
}
function isPidAlive(pid) {
if (!pid) return false;
try { process.kill(pid, 0); return true; }
catch { return false; }
}
/**
* Подхватывает уже запущенный sing-box по PID — без перезапуска.
* Логи недоступны (процесс запущен раньше), но kill/stop работает.
*/
function attachExistingSingbox(pid) {
const stateData = readJson(settings.statePath, {});
singboxStartedAt = stateData.appliedAt || new Date().toISOString();
let exitCb = null;
singboxProcess = {
pid,
kill: (sig = 'SIGTERM') => { try { process.kill(pid, sig); } catch {} },
once: (event, cb) => { if (event === 'exit') exitCb = cb; },
};
// Периодически проверяем, что процесс ещё жив
const watcher = setInterval(() => {
if (!isPidAlive(pid)) {
clearInterval(watcher);
if (singboxProcess?.pid === pid) {
singboxProcess = null;
singboxStartedAt = null;
removeSingboxPid();
pushLog('warning', `sing-box (pid=${pid}) завершился`);
}
if (exitCb) { exitCb(null, null); exitCb = null; }
}
}, 2000);
pushLog('info', `sing-box подхвачен при старте (pid=${pid})`);
}
function captureStream(stream, fallbackLevel) {
let remainder = "";
stream.setEncoding("utf8");
@@ -167,6 +224,7 @@ async function startSingbox() {
stdio: ["ignore", "pipe", "pipe"],
});
singboxStartedAt = new Date().toISOString();
saveSingboxPid(singboxProcess.pid);
pushLog("info", `sing-box запущен (pid=${singboxProcess.pid})`);
captureStream(singboxProcess.stdout, "info");
@@ -176,6 +234,7 @@ async function startSingbox() {
pushLog("info", `sing-box завершён: code=${code} signal=${signal}`);
singboxProcess = null;
singboxStartedAt = null;
removeSingboxPid();
});
return true;
@@ -250,9 +309,17 @@ async function applySelectedServer(selectedTag) {
const prevState = readJson(settings.statePath, {});
const now = new Date().toISOString();
const previousTag = prevState.selectedTag && prevState.selectedTag !== selectedTag ? prevState.selectedTag : prevState.previousTag || null;
const history = Array.isArray(prevState.appliedHistory) ? prevState.appliedHistory : [];
const nextHistory = [{ tag: selectedTag, at: now }, ...history.filter((h) => h.tag !== selectedTag)].slice(0, APPLY_HISTORY_LIMIT);
const previousTag =
prevState.selectedTag && prevState.selectedTag !== selectedTag
? prevState.selectedTag
: prevState.previousTag || null;
const history = Array.isArray(prevState.appliedHistory)
? prevState.appliedHistory
: [];
const nextHistory = [
{ tag: selectedTag, at: now },
...history.filter((h) => h.tag !== selectedTag),
].slice(0, APPLY_HISTORY_LIMIT);
writeJson(settings.statePath, {
...prevState,
@@ -332,18 +399,27 @@ async function handleApi(req, res) {
if (req.method === "GET" && req.url === "/api/rules/conflicts") {
const rules = readJson(settings.customRulesPath, []);
return sendJson(res, 200, { success: true, conflicts: detectRuleConflicts(rules) });
return sendJson(res, 200, {
success: true,
conflicts: detectRuleConflicts(rules),
});
}
if (req.method === "POST" && req.url === "/api/route/check") {
const body = await readBody(req);
const host = String(body.host || "").trim();
let ip = String(body.ip || "").trim();
const port = body.port !== undefined && body.port !== "" ? Number(body.port) : undefined;
const port =
body.port !== undefined && body.port !== ""
? Number(body.port)
: undefined;
const network = String(body.network || "").trim() || undefined;
if (!host && !ip) {
return sendJson(res, 400, { success: false, error: "Укажите домен или IP" });
return sendJson(res, 400, {
success: false,
error: "Укажите домен или IP",
});
}
let resolvedFrom = null;
@@ -359,13 +435,17 @@ async function handleApi(req, res) {
const cached = readJson(settings.subscriptionCachePath, null);
const state = readJson(settings.statePath, {});
const vpnTag = state.selectedTag || "vpn-out";
const result = matchRoute(
{ host, ip, port, network },
rules,
{ routingRuDirect: settings.routingRuDirect, vpnTag },
);
const result = matchRoute({ host, ip, port, network }, rules, {
routingRuDirect: settings.routingRuDirect,
vpnTag,
});
return sendJson(res, 200, { success: true, result, resolvedIp: ip || null, resolvedFrom });
return sendJson(res, 200, {
success: true,
result,
resolvedIp: ip || null,
resolvedFrom,
});
}
if (req.method === "POST" && req.url === "/api/servers/ping") {
@@ -373,7 +453,10 @@ async function handleApi(req, res) {
const host = String(body.host || "").trim();
const port = Number(body.port);
if (!host || !Number.isInteger(port) || port <= 0 || port > 65535) {
return sendJson(res, 400, { success: false, error: "Требуются host и port" });
return sendJson(res, 400, {
success: false,
error: "Требуются host и port",
});
}
const result = await tcpPing(host, port, Number(body.timeout) || 3000);
return sendJson(res, 200, { success: true, ...result });
@@ -386,7 +469,11 @@ async function handleApi(req, res) {
const results = await Promise.all(
servers.map(async (server) => {
const ping = await tcpPing(server.server, server.server_port, 3000);
return { tag: server.tag, ...ping, checkedAt: new Date().toISOString() };
return {
tag: server.tag,
...ping,
checkedAt: new Date().toISOString(),
};
}),
);
return sendJson(res, 200, { success: true, results });
@@ -399,16 +486,28 @@ async function handleApi(req, res) {
const tag = stateData.selectedTag;
if (!cached?.config) {
return sendJson(res, 200, { success: true, valid: false, error: "Подписка не загружена" });
return sendJson(res, 200, {
success: true,
valid: false,
error: "Подписка не загружена",
});
}
if (!tag) {
return sendJson(res, 200, { success: true, valid: false, error: "Сервер не выбран" });
return sendJson(res, 200, {
success: true,
valid: false,
error: "Сервер не выбран",
});
}
try {
buildGatewayConfig({ ...cached.config, customRules }, tag);
} catch (err) {
return sendJson(res, 200, { success: true, valid: false, error: err.message });
return sendJson(res, 200, {
success: true,
valid: false,
error: err.message,
});
}
if (fs.existsSync(settings.configPath)) {
@@ -416,17 +515,28 @@ async function handleApi(req, res) {
checkSingboxConfig();
return sendJson(res, 200, { success: true, valid: true });
} catch (err) {
return sendJson(res, 200, { success: true, valid: false, error: err.message });
return sendJson(res, 200, {
success: true,
valid: false,
error: err.message,
});
}
}
return sendJson(res, 200, { success: true, valid: true, note: "Конфиг собирается без ошибок (sing-box check не выполнен — нет файла)" });
return sendJson(res, 200, {
success: true,
valid: true,
note: "Конфиг собирается без ошибок (sing-box check не выполнен — нет файла)",
});
}
if (req.method === "POST" && req.url === "/api/apply/rollback") {
const stateData = readJson(settings.statePath, {});
const target = stateData.previousTag;
if (!target) {
return sendJson(res, 400, { success: false, error: "Нет предыдущего сервера для отката" });
return sendJson(res, 400, {
success: false,
error: "Нет предыдущего сервера для отката",
});
}
await applySelectedServer(target);
return sendJson(res, 200, { success: true, selectedTag: target });
@@ -583,10 +693,17 @@ process.on("SIGINT", async () => {
process.exit(0);
});
await startSingbox().catch((error) => {
console.warn(`[control] sing-box не запущен: ${error.message}`);
pushLog("error", `sing-box не запущен при старте: ${error.message}`);
});
// При старте пробуем подхватить уже запущенный sing-box
const existingPid = readSingboxPid();
if (existingPid && isPidAlive(existingPid)) {
attachExistingSingbox(existingPid);
} else {
removeSingboxPid();
await startSingbox().catch((error) => {
console.warn(`[control] sing-box не запущен: ${error.message}`);
pushLog("error", `sing-box не запущен при старте: ${error.message}`);
});
}
server.listen(settings.port, "0.0.0.0", () => {
console.log(`[control] gateway UI слушает :${settings.port}`);