mamm / src /server.js
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Upload server.js
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const express = require('express')
const cors = require('cors')
const { SERVER_CONFIG } = require('./config')
const modelRouter = require('./router/model')
const chatRouter = require('./router/chat')
const logger = require('./lib/logger')
const app = express()
app.use(cors())
// 增加请求体积限制,设置为128MB
app.use(express.json({ limit: '128mb' }))
app.use(express.urlencoded({ extended: true, limit: '128mb' }))
app.use(express.raw({ limit: '128mb' }))
// 注册路由
app.use('/v1/models', modelRouter)
app.use('/v1/chat', chatRouter)
// 健康检查端点
app.get('/health', (req, res) => {
res.json({
status: 'ok',
timestamp: new Date().toISOString(),
uptime: process.uptime()
})
})
// 全局错误处理中间件
app.use((error, req, res, next) => {
logger.logGlobalError('UNHANDLED_ERROR', error.message, {
stack: error.stack,
url: req.url,
method: req.method
})
res.status(500).json({
error: {
message: '服务器内部错误',
type: 'server_error'
}
})
})
// 全局异常捕获
process.on('uncaughtException', (error) => {
logger.logGlobalError('UNCAUGHT_EXCEPTION', error.message, {
stack: error.stack
})
console.error('未捕获的异常:', error)
process.exit(1)
})
process.on('unhandledRejection', (reason, promise) => {
logger.logGlobalError('UNHANDLED_REJECTION', String(reason), {
promise: promise.toString()
})
console.error('未处理的 Promise 拒绝:', reason)
})
// 优雅关闭处理
process.on('SIGTERM', () => {
console.log('收到 SIGTERM 信号,开始优雅关闭...')
process.exit(0)
})
process.on('SIGINT', () => {
console.log('收到 SIGINT 信号,开始优雅关闭...')
process.exit(0)
})
// 启动服务器
const server = app.listen(SERVER_CONFIG.PORT, () => {
logger.logInfo('服务器启动', '服务器启动成功', {
端口: SERVER_CONFIG.PORT,
地址: `http://localhost:${SERVER_CONFIG.PORT}`,
Node版本: process.version,
操作系统: process.platform
})
console.log(`服务已启动在 http://localhost:${SERVER_CONFIG.PORT}`)
})
module.exports = { app, server }