68 lines
2.0 KiB
JavaScript
68 lines
2.0 KiB
JavaScript
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const express = require('express');
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const fs = require('fs-extra');
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const moment = require('moment');
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const path = require('path');
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const config = require('./config.json');
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// 初始化Express应用
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const app = express();
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// 记录服务启动时间
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const startTime = moment();
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// 统计已处理事件数和最后一次事件时间
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let eventsProcessed = 0;
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let lastEventTime = null;
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// 确保事件日志文件存在，不存在则创建空数组
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if (!fs.existsSync(config.eventLogFile)) {
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fs.writeJSONSync(config.eventLogFile, [], { spaces: 2 });
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}
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// 👉 验收项0-4：请求日志中间件 - 记录所有请求的时间/方法/路径/状态码
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app.use((req, res, next) => {
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const now = moment().format('YYYY-MM-DD HH:mm:ss');
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const { method, originalUrl } = req;
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// 响应完成后在终端输出格式化日志
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res.on('finish', () => {
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const statusCode = res.statusCode;
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console.log(`[${now}] ${method} ${originalUrl} - ${statusCode}`);
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});
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next();
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});
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// 解析JSON请求体，支持最大1MB的请求数据
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app.use(express.json({ limit: '1mb' }));
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// 👉 验收项0-2：根路径GET / - 返回模块身份信息JSON
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app.get('/', (req, res) => {
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// 计算服务运行时长
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const uptime = moment.duration(moment().diff(startTime)).humanize();
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res.json({
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module: config.module,
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version: config.version,
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uptime: uptime,
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status: "running",
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timestamp: moment().format('YYYY-MM-DD HH:mm:ss')
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});
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});
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// 👉 验收项0-1：启动服务，监听配置文件中的3020端口
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const server = app.listen(config.port, () => {
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console.log(`✅ M-BRIDGE中继桥接服务启动成功`);
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console.log(`📡 监听端口：${config.port} | 访问地址：http://localhost:${config.port}`);
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});
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// 暴露全局变量，供后续环节1/2的接口使用
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global.MBRIDGE = {
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app,
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config,
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startTime,
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eventsProcessed,
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lastEventTime,
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fs,
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moment,
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path
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};
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// 导出应用和服务，支持后续扩展
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module.exports = { app, server };
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