45 lines
1.9 KiB
TypeScript
45 lines
1.9 KiB
TypeScript
import 'reflect-metadata';
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import { NestFactory } from '@nestjs/core';
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import { createServer } from 'node:http';
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import type { NestExpressApplication } from '@nestjs/platform-express';
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import { GatewayCallbackModule } from './gateway-callback.module';
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import { configureHttpBodyParsers } from './http-body-limits';
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import { MetricsService } from './metrics/metrics.service';
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Object.defineProperty(BigInt.prototype, 'toJSON', {
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configurable: true,
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value(this: bigint) {
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const result = Number(this);
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if (!Number.isSafeInteger(result)) throw new RangeError('金额超过 JavaScript 安全整数范围');
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return result;
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},
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});
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async function bootstrap() {
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if (process.env.CMPP_PROCESS_ROLE !== 'callback') {
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throw new Error('gateway-callback requires CMPP_PROCESS_ROLE=callback');
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}
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const app = await NestFactory.create<NestExpressApplication>(GatewayCallbackModule, { rawBody: true, bodyParser: false });
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app.setGlobalPrefix('api');
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configureHttpBodyParsers(app);
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app.enableShutdownHooks();
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const host = process.env.API_CALLBACK_HOST?.trim() || '127.0.0.1';
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const port = Number(process.env.API_CALLBACK_PORT ?? 3001);
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await app.listen(port, host);
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const metrics = app.get(MetricsService);
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const metricsHost = process.env.API_CALLBACK_METRICS_HOST?.trim() || '127.0.0.1';
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const metricsPort = Number(process.env.API_CALLBACK_METRICS_PORT ?? 9468);
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const metricsServer = createServer((request, response) => {
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if (request.method !== 'GET' || request.url !== '/metrics') return void response.writeHead(404).end();
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response.writeHead(200, { 'Content-Type': 'text/plain; version=0.0.4; charset=utf-8', 'Cache-Control': 'no-store' });
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response.end(metrics.render());
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});
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await new Promise<void>((resolve, reject) => {
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metricsServer.once('error', reject);
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metricsServer.listen(metricsPort, metricsHost, resolve);
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});
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}
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void bootstrap();
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