tamakyi
3db3ce570a
已实现：HTTP/TCP/Banner 探测、90 天可用率、表格/卡片视图、 数据源过滤、UptimeRobot 双向兼容、服务端驱动的刷新节奏、 刷新接口滥用防护与信息泄露控制。
19 lines
726 B
JavaScript
19 lines
726 B
JavaScript
import net from 'node:net';
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export function probeTcp(monitor) {
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const started = Date.now();
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const timeoutMs = (monitor.timeout ?? 10) * 1000;
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return new Promise((resolve) => {
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const socket = net.createConnection({ host: monitor.host, port: monitor.port });
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const finish = (status, detail) => {
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socket.destroy();
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resolve({ status, latency: Date.now() - started, code: null, detail });
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};
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socket.setTimeout(timeoutMs, () => finish('down', 'TCP 连接超时'));
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socket.once('error', (err) =>
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finish('down', err.code === 'ECONNREFUSED' ? '连接被拒绝（端口关闭）' : (err.code || err.message))
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);
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socket.once('connect', () => finish('up', '端口可连接'));
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});
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}
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