fix: 补 .gitattributes(CRLF for .bat) + README 端口 19540 + 提交 console 锁文件
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@@ -14,6 +14,17 @@ const STATE_LABEL = {
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crashed: '异常退出'
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}
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// 优雅关闭握手:POST server.shutdownPath,让服务端自己走 signal.NotifyContext
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// 的关闭流程;请求失败或接口未实现时回退到进程信号。
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const DEFAULT_SHUTDOWN_PATH = '/api/shutdown'
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const SHUTDOWN_REQUEST_TIMEOUT_MS = 2000
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// 服务端 srv.Shutdown 的超时是 10s,客户端必须留足余量再强杀
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const DEFAULT_SHUTDOWN_TIMEOUT_MS = 12000
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// 握手不可用时信号已能结束进程,不必再等满超时
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const FALLBACK_FORCE_KILL_MS = 1500
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// 连续健康这么久才认为崩溃计数可以清零
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const HEALTHY_RESET_MS = 60000
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// 服务端守护:拉起 scoreboard.exe、转发日志、健康探测、崩溃自动重启。
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// 现场无人值守,所以「崩了自动拉起」比「暴露复杂控制」更重要。
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class ServiceSupervisor extends EventEmitter {
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@@ -33,6 +44,7 @@ class ServiceSupervisor extends EventEmitter {
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this.lastError = null
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this.stopRequested = false
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this.healthySince = null
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this.healthTimer = null
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this.restartTimer = null
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this.forceKillTimer = null
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@@ -90,6 +102,7 @@ class ServiceSupervisor extends EventEmitter {
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const cwd = path.dirname(this.exePath)
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this.lastError = null
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this.healthySince = null
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this.startedAt = new Date().toISOString()
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this.setState('starting')
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this.log.push('console', `启动服务端:${this.exePath} ${args.join(' ')}(cwd=${cwd})`)
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@@ -140,6 +153,7 @@ class ServiceSupervisor extends EventEmitter {
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this.child = null
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this.pid = null
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this.healthy = false
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this.healthySince = null
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const reason = signal ? `信号 ${signal}` : `退出码 ${code}`
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if (this.stopRequested) {
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@@ -187,25 +201,80 @@ class ServiceSupervisor extends EventEmitter {
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this.log.push('console', '正在停止服务端…')
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child.once('exit', () => resolve())
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try {
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child.kill()
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} catch (err) {
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this.log.push('console', `发送停止信号失败:${err.message}`)
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}
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// Go 服务端有 10s 优雅关闭窗口,超过 5s 仍未退出就强杀,避免 Console 退不干净
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this.forceKillTimer = setTimeout(() => {
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if (this.child && this.pid) {
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this.log.push('console', '服务端未在 5 秒内退出,强制结束')
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try {
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this.child.kill('SIGKILL')
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} catch {
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// 进程可能已经没了
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}
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const timeoutMs = Number(this.server.shutdownTimeoutMs) || DEFAULT_SHUTDOWN_TIMEOUT_MS
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// 先按最坏情况挂强杀兜底,握手成功后也不撤:服务端可能卡在关闭流程里
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this.armForceKill(timeoutMs)
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this.requestShutdown().then((accepted) => {
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if (this.child !== child) return
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if (accepted) {
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this.log.push('console', `服务端已接受关闭请求,最多等待 ${Math.round(timeoutMs / 1000)} 秒`)
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return
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}
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}, 5000)
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// 握手不可用:服务端还没实现该接口,或进程已无响应。
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// 退回进程信号;Windows 上 Node 的 kill() 等同强杀,所以这条路只是兜底,
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// 真正的优雅关闭依赖服务端补上 shutdownPath 接口。
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this.log.push('console', '关闭接口不可用,退回进程信号')
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this.armForceKill(FALLBACK_FORCE_KILL_MS)
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try {
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child.kill()
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} catch (err) {
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this.log.push('console', `发送停止信号失败:${err.message}`)
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}
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})
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})
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}
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// 优雅关闭握手:让服务端自己走 signal.NotifyContext → srv.Shutdown 的流程,
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// 10s 内落盘退出。接口按回环地址访问、不鉴权,只在本机有意义。
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// 依赖:服务端实现 POST <server.shutdownPath>(2xx 表示已受理)。
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requestShutdown() {
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return new Promise((resolve) => {
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const body = Buffer.from('{}')
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const request = http.request(
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{
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host: this.healthHost(),
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port: this.server.port,
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path: this.server.shutdownPath || DEFAULT_SHUTDOWN_PATH,
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method: 'POST',
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timeout: SHUTDOWN_REQUEST_TIMEOUT_MS,
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headers: {
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'Content-Type': 'application/json',
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'Content-Length': body.length,
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Connection: 'close'
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}
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},
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(response) => {
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response.resume()
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const accepted = response.statusCode >= 200 && response.statusCode < 300
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if (!accepted) this.log.push('console', `关闭接口返回 HTTP ${response.statusCode}`)
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resolve(accepted)
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}
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)
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request.on('timeout', () => request.destroy(new Error('请求超时')))
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request.on('error', (err) => {
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this.log.push('console', `关闭接口请求失败:${err.message}`)
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resolve(false)
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})
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request.end(body)
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})
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}
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armForceKill(ms) {
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if (this.forceKillTimer) clearTimeout(this.forceKillTimer)
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this.forceKillTimer = setTimeout(() => {
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this.forceKillTimer = null
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if (!this.child || !this.pid) return
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this.log.push('console', `服务端未在 ${Math.round(ms / 1000)} 秒内退出,强制结束`)
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try {
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this.child.kill('SIGKILL')
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} catch {
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// 进程可能已经没了
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}
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}, ms)
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}
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async restart() {
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await this.stop()
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this.restarts = 0
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@@ -247,10 +316,30 @@ class ServiceSupervisor extends EventEmitter {
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}
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setHealthy(ok) {
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if (this.healthy === ok) return
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const changed = this.healthy !== ok
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if (ok) {
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if (!this.healthySince) this.healthySince = Date.now()
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} else {
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this.healthySince = null
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}
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this.healthy = ok
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this.log.push('console', ok ? '服务端健康检查通过' : '服务端健康检查失败(等待重试)')
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this.emitStatus()
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if (changed) {
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this.log.push('console', ok ? '服务端健康检查通过' : '服务端健康检查失败(等待重试)')
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}
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// 连续健康一段时间后清零崩溃计数:否则长时间赛事里历史崩溃会耗尽
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// maxRestarts 配额,之后真崩了反而不自动拉起
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let reset = false
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if (ok && this.restarts > 0) {
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const resetAfter = Number(this.server.healthyResetMs) || HEALTHY_RESET_MS
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if (Date.now() - this.healthySince >= resetAfter) {
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this.restarts = 0
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reset = true
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this.log.push('console', '服务端持续健康,崩溃计数已清零')
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}
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}
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if (changed || reset) this.emitStatus()
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}
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dispose() {
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