mirror of
https://github.com/shy3130/tick-stock-panel.git
synced 2026-11-02 02:16:13 +00:00
fix(dev): 启动器输出改文件重定向, 修复长时间运行内存叠加
dev.ps1 用 Start-Job + 每 150ms Receive-Job 中转子进程输出。Start-Job 会把 每行原生输出包装成带 job/runspace 元数据的 PSObject 存进 job 输出集合, 生产快于消费 (窗口最小化/RDP 断开/日志量突增) 时持续堆积且不及时释放 —— 实测开盘跑到中午, 启动器单个 powershell.exe 可占十几 GB。 - dev.ps1: 改用 Start-Process + 重定向到 data/logs/*.log, PowerShell 只持 PID; 控制台改为有界 StreamReader tail, 内存占用与日志总量无关 - dev.ps1: 新增单实例守卫 (默认拒绝启动, -Force 才结束) 与 -NoReload; 退出时 taskkill /T 结束整棵树, 覆盖 reloader 父进程与 server 子进程 - dev.sh: free_port 只杀监听者会让 reloader 父进程重生子进程 —— 改为先按 仓库 venv 路径结束同端口整组后端; cleanup 改递归 kill_tree, 不再留孤儿 - dev.sh: 只处理同端口实例, 换端口调试的实例只提示不误杀 验证: dev.sh bash -n 通过; kill_repo_backends / kill_tree 用真实进程做了 隔离测试 (8888/9999 端口不误杀、三级进程树无孤儿); dev.ps1 花括号平衡与 无残留 Start-Job 调用, 本机无 PowerShell 未做实际运行验证。
This commit is contained in:
shy3130
@@ -3,9 +3,12 @@
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# Usage:
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# .\dev.ps1
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# .\dev.ps1 -BackendPort 8000 -FrontendPort 5173
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# .\dev.ps1 -NoReload # 内测/长时间运行: 不启用 uvicorn --reload
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# .\dev.ps1 -Force # 已有实例时先结束它再启动
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# $env:BACKEND_PORT='8000'; .\dev.ps1
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#
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# Ctrl-C closes both processes.
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# 进程输出直接重定向到 data\logs\*.log, 启动器只做有界 tail, 内存占用恒定。
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# 停止请用 Ctrl-C (会结束整棵进程树); 直接点窗口 X 不会走到清理逻辑。
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#
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# If you see "running scripts is disabled":
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# Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy RemoteSigned
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@@ -13,7 +16,12 @@
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[CmdletBinding()]
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param(
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[int]$BackendPort = 0,
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[int]$FrontendPort = 0
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[int]$FrontendPort = 0,
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# 检测到已有后端实例时强制结束它再启动。默认拒绝启动, 避免多实例叠加。
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[switch]$Force,
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# 不启用 uvicorn --reload。内测/长时间运行时建议开启: 改文件不再触发
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# 进程重启, 也就不会反复做 1GB+ 的 enriched 全量预热。
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[switch]$NoReload
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)
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$ErrorActionPreference = 'Stop'
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@@ -56,6 +64,38 @@ if ($BackendPort -le 0) {
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}
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if ($FrontendPort -le 0) { $FrontendPort = if ($env:FRONTEND_PORT) { [int]$env:FRONTEND_PORT } else { 3011 } }
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# 单实例守卫: 重复运行 dev.ps1 会各自拉起一套后端, 每个实例常驻 1GB+;
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# 靠端口检测杀不干净 (--reload 的父进程持有 socket 并会重生子进程), 因此改为
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# 启动前显式识别已有实例: 默认拒绝启动, -Force 时才整树结束。
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# 只匹配本仓库的 venv 解释器, 避免误伤其他项目里同名模块 app.main:app 的进程。
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function Stop-ExistingInstance {
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$venvPython = Join-Path $BackendDir '.venv\Scripts\python.exe'
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$existing = @(Get-CimInstance Win32_Process -ErrorAction SilentlyContinue |
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Where-Object {
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$_.ProcessId -ne $PID -and
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$_.CommandLine -and
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$_.CommandLine -like '*uvicorn*app.main:app*' -and
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($_.CommandLine -like "*$venvPython*" -or
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($_.CommandLine -like '*.venv\Scripts\python*' -and
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$_.ExecutablePath -like "$BackendDir*"))
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})
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if ($existing.Count -eq 0) { return $true }
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$ids = @($existing | ForEach-Object { $_.ProcessId })
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if (-not $Force) {
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Log-Warn "检测到已有后端实例 (PID: $($ids -join ', ')), 本次启动取消"
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Log-Warn '如需重启, 重新运行并加 -Force, 或先执行:'
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Log-Warn " Stop-Process -Id $($ids -join ',') -Force"
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return $false
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}
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Log-Warn "结束已有后端实例 (PID: $($ids -join ', '))"
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foreach ($p in $ids) {
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$null = & cmd /c "taskkill /F /T /PID $p 2>nul"
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try { Stop-Process -Id $p -Force -ErrorAction SilentlyContinue } catch {}
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}
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Start-Sleep -Milliseconds 500
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return $true
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}
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# Force UTF-8 console output so child process logs aren't garbled
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try {
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[Console]::OutputEncoding = New-Object System.Text.UTF8Encoding $false
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@@ -135,6 +175,8 @@ function Free-Port($name, $port) {
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}
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}
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if (-not (Stop-ExistingInstance)) { exit 1 }
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Free-Port 'backend' $BackendPort
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Free-Port 'frontend' $FrontendPort
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@@ -185,51 +227,46 @@ Write-Host '| Ctrl-C closes both |' -ForegroundColor B
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Write-Host '+----------------------------------------------+' -ForegroundColor Blue
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Write-Host ''
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# ===== 5. Launch jobs =====
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# Each job writes its $PID to a temp file so the main thread can find the
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# child powershell.exe and taskkill /T the whole process tree on exit.
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$backendPidFile = [System.IO.Path]::GetTempFileName()
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$frontendPidFile = [System.IO.Path]::GetTempFileName()
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# ===== 5. Launch processes =====
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# 输出由操作系统直接重定向到日志文件, PowerShell 只持有 PID, 不参与数据搬运。
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#
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# 旧实现用 Start-Job + 每 150ms Receive-Job 轮询: Start-Job 会把每一行原生输出
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# 包装成带 job/runspace 元数据的 PSObject 存进 job 输出集合。当生产快于消费
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# (控制台滚动缓冲、窗口最小化、RDP 断开、日志音量突增) 时对象持续堆积且不及时
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# 释放 —— 实测开盘跑到中午, 启动器单个 powershell.exe 可占十几 GB。改为文件
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# 重定向后, 启动器内存与日志总量无关; 控制台只做「读新增字节」的有界 tail。
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$LogDir = Join-Path $Root 'data\logs'
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New-Item -ItemType Directory -Force -Path $LogDir | Out-Null
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$BackendOutLog = Join-Path $LogDir 'backend.out.log'
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$BackendErrLog = Join-Path $LogDir 'backend.err.log'
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$FrontendOutLog = Join-Path $LogDir 'frontend.out.log'
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$FrontendErrLog = Join-Path $LogDir 'frontend.err.log'
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$backendJob = Start-Job -Name 'backend' -ScriptBlock {
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param($pidFile, $dir, $envFile, $bindAddress, $port)
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# Start-Job 开的是全新 powershell.exe 子进程, 不继承主进程的 UTF-8 设置,
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# 默认用系统 ANSI (中文 Windows = GBK/cp936) 解码后端 UTF-8 输出 → 中文乱码。
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# 这里强制子进程用 UTF-8, 与 app/__init__.py 的 stdout/stderr 编码对齐。
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[Console]::OutputEncoding = New-Object System.Text.UTF8Encoding $false
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$OutputEncoding = New-Object System.Text.UTF8Encoding $false
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$PID | Out-File -FilePath $pidFile -Encoding ascii -Force
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$env:PYTHONUNBUFFERED = '1'
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Set-Location $dir
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$envArgs = if (Test-Path $envFile) { @('--env-file', $envFile) } else { @() }
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& .\.venv\Scripts\python.exe -m uvicorn app.main:app @envArgs --reload --host $bindAddress --port $port 2>&1
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} -ArgumentList $backendPidFile, $BackendDir, $EnvFile, $BindAddress, $BackendPort
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# 每次启动重置本会话日志 (后端自身的 data/backend.log 已有轮转, 这里只放转发副本)
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foreach ($f in @($BackendOutLog, $BackendErrLog, $FrontendOutLog, $FrontendErrLog)) {
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Remove-Item $f -Force -ErrorAction SilentlyContinue
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}
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$frontendJob = Start-Job -Name 'frontend' -ScriptBlock {
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param($pidFile, $dir, $bindAddress, $backendPort, $port)
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# 同上: job 子进程默认 GBK, pnpm/前端工具链也是 UTF-8 输出, 需对齐。
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[Console]::OutputEncoding = New-Object System.Text.UTF8Encoding $false
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$OutputEncoding = New-Object System.Text.UTF8Encoding $false
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$PID | Out-File -FilePath $pidFile -Encoding ascii -Force
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Set-Location $dir
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$env:BACKEND_HOST = $bindAddress
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$env:BACKEND_PORT = [string]$backendPort
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& pnpm dev --host $bindAddress --port $port 2>&1
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} -ArgumentList $frontendPidFile, $FrontendDir, $BindAddress, $BackendPort, $FrontendPort
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$env:PYTHONUNBUFFERED = '1'
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# Start-Process 的 -ArgumentList 按空格拼接, 含空格的路径必须自带引号
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function Quote-Arg($value) {
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if ($value -match '[\s"]') { return '"' + ($value -replace '"', '\"') + '"' }
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return $value
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}
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# Wait up to 5 seconds for the PID files to materialise
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function Read-JobPid($file) {
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for ($i = 0; $i -lt 50; $i++) {
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try {
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$c = (Get-Content $file -ErrorAction SilentlyContinue) -as [string]
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if ($c -and $c.Trim()) { return [int]$c.Trim() }
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} catch {}
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Start-Sleep -Milliseconds 100
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}
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return $null
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$BackendArgs = @('-m', 'uvicorn', 'app.main:app')
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if (Test-Path $EnvFile) { $BackendArgs += @('--env-file', (Quote-Arg $EnvFile)) }
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if (-not $NoReload) { $BackendArgs += '--reload' }
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$BackendArgs += @('--host', $BindAddress, '--port', [string]$BackendPort)
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$env:BACKEND_HOST = $BindAddress
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$env:BACKEND_PORT = [string]$BackendPort
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$pnpmExe = (Get-Command 'pnpm.cmd' -ErrorAction SilentlyContinue).Source
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if (-not $pnpmExe) { $pnpmExe = (Get-Command 'pnpm' -ErrorAction SilentlyContinue).Source }
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if (-not $pnpmExe) {
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Log-Err 'pnpm not found'
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exit 1
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}
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$backendChildPid = Read-JobPid $backendPidFile
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$frontendChildPid = Read-JobPid $frontendPidFile
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# ===== 6. Cleanup =====
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$script:cleaning = $false
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@@ -239,28 +276,110 @@ function Cleanup-All {
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Write-Host ''
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Log-Info 'shutting down...'
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foreach ($p in @($backendChildPid, $frontendChildPid)) {
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if ($p) {
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# /T kills the whole process tree (the job's powershell + uvicorn/vite)
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$null = & cmd /c "taskkill /F /T /PID $p 2>nul"
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# /T 结束整棵树 (uvicorn --reload 的父进程 + server 子进程 / pnpm + vite + esbuild)
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foreach ($proc in @($backendProc, $frontendProc)) {
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if ($proc -and -not $proc.HasExited) {
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$null = & cmd /c "taskkill /F /T /PID $($proc.Id) 2>nul"
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}
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}
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foreach ($j in @($backendJob, $frontendJob)) {
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if ($j) {
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Stop-Job $j -ErrorAction SilentlyContinue
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Remove-Job $j -Force -ErrorAction SilentlyContinue
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if ($script:tails) {
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foreach ($state in @($script:tails.Values)) {
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if ($state -and $state.Reader) {
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try { $state.Reader.Dispose() } catch {}
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}
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}
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}
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foreach ($f in @($backendPidFile, $frontendPidFile)) {
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Remove-Item $f -Force -ErrorAction SilentlyContinue
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}
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Log-Ok 'bye'
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Log-Ok "bye (logs: $LogDir)"
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}
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# ===== 7. Main loop - pump output, handle Ctrl-C =====
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# Treat Ctrl-C as input so try/finally is guaranteed to run.
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# ===== 7. Bounded log tail =====
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# 每个日志文件一个 StreamReader, 每轮只消费「上次之后新增的内容」。
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# 内存占用 = StreamReader 解码缓冲 + 一行待拼接文本, 与日志总量无关。
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# StreamReader 负责 UTF-8 解码, 多字节字符跨读边界也不会被截断成乱码。
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$script:tails = @{}
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foreach ($p in @($BackendOutLog, $BackendErrLog, $FrontendOutLog, $FrontendErrLog)) {
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$script:tails[$p] = @{ Reader = $null; LastLength = 0L; Pending = '' }
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}
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$MaxPending = 64KB
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function Open-LogTail($path) {
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$fs = [System.IO.File]::Open($path, [System.IO.FileMode]::Open,
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[System.IO.FileAccess]::Read,
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[System.IO.FileShare]::ReadWrite -bor [System.IO.FileShare]::Delete)
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return New-Object System.IO.StreamReader(
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$fs, (New-Object System.Text.UTF8Encoding($false)))
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}
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function Read-NewLogLines($path, $prefix, $color) {
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$state = $script:tails[$path]
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if (-not $state) { return }
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try {
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if ($null -eq $state.Reader) {
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if (-not (Test-Path $path)) { return }
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$state.Reader = Open-LogTail $path
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} elseif ($state.Reader.BaseStream.Length -lt $state.LastLength) {
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# 文件被重置/替换 → 从头重新跟随
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$state.Reader.Dispose()
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$state.Reader = Open-LogTail $path
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$state.Pending = ''
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}
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$state.LastLength = $state.Reader.BaseStream.Length
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# ReadToEnd: 从当前位置读到末尾, 只取新增部分
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$chunk = $state.Reader.ReadToEnd()
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if ([string]::IsNullOrEmpty($chunk)) { return }
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$text = $state.Pending + $chunk
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$complete = $text.EndsWith("`n")
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$lines = $text -split "`n"
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if ($complete) {
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$state.Pending = ''
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if ($lines.Count -gt 0) { $lines = $lines[0..($lines.Count - 2)] }
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} else {
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# 末尾没有换行 = 这行可能还没写完, 留到下一轮
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$state.Pending = $lines[-1]
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$lines = if ($lines.Count -gt 1) { $lines[0..($lines.Count - 2)] } else { @() }
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if ($state.Pending.Length -gt $MaxPending) {
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Write-Host $prefix -NoNewline -ForegroundColor $color
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Write-Host ($state.Pending.Substring(0, $MaxPending) + ' ...[truncated]')
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$state.Pending = ''
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}
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}
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foreach ($line in $lines) {
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Write-Host $prefix -NoNewline -ForegroundColor $color
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Write-Host $line.TrimEnd("`r")
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}
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} catch {
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# 日志读取失败绝不能拖垮启动器
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}
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}
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# ===== 8. Launch + main loop =====
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# 启动与主循环同处一个 try/finally: 任一 Start-Process 失败或 Ctrl-C 都会走
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# Cleanup-All, 不留下半套进程。
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$prevCtrlC = [Console]::TreatControlCAsInput
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try {
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$backendProc = Start-Process `
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-FilePath (Join-Path $BackendDir '.venv\Scripts\python.exe') `
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-ArgumentList $BackendArgs `
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-WorkingDirectory $BackendDir `
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-RedirectStandardOutput $BackendOutLog `
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-RedirectStandardError $BackendErrLog `
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-NoNewWindow -PassThru
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# .cmd 不是可执行文件: 关闭 shell 执行 (重定向输出时必须) 后要走 cmd.exe /c。
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# 整条命令作为一个参数交给 cmd 解析, 避免 Start-Process 自行拼接时加错引号。
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$cmdExe = if ($env:ComSpec) { $env:ComSpec } else { 'cmd.exe' }
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$frontendCmd = '"{0}" dev --host {1} --port {2}' -f $pnpmExe, $BindAddress, $FrontendPort
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$frontendProc = Start-Process `
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-FilePath $cmdExe `
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-ArgumentList @('/c', $frontendCmd) `
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-WorkingDirectory $FrontendDir `
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-RedirectStandardOutput $FrontendOutLog `
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-RedirectStandardError $FrontendErrLog `
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-NoNewWindow -PassThru
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# Treat Ctrl-C as input so try/finally is guaranteed to run.
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[Console]::TreatControlCAsInput = $true
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while ($true) {
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@@ -271,28 +390,17 @@ try {
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}
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}
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$bOut = Receive-Job $backendJob -ErrorAction SilentlyContinue
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if ($bOut) {
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foreach ($line in $bOut) {
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Write-Host '[backend ] ' -NoNewline -ForegroundColor Blue
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Write-Host $line
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}
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}
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Read-NewLogLines $BackendOutLog '[backend ] ' Blue
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Read-NewLogLines $BackendErrLog '[backend ] ' Blue
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Read-NewLogLines $FrontendOutLog '[frontend] ' Green
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Read-NewLogLines $FrontendErrLog '[frontend] ' Green
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$fOut = Receive-Job $frontendJob -ErrorAction SilentlyContinue
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if ($fOut) {
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foreach ($line in $fOut) {
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Write-Host '[frontend] ' -NoNewline -ForegroundColor Green
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Write-Host $line
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}
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}
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if ($backendJob.State -ne 'Running' -or $frontendJob.State -ne 'Running') {
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if ($backendProc.HasExited -or $frontendProc.HasExited) {
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Log-Warn 'one of the processes exited; closing the other...'
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break
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}
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Start-Sleep -Milliseconds 150
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Start-Sleep -Milliseconds 300
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||||
}
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||||
}
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finally {
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@@ -117,6 +117,51 @@ free_port() {
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fi
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ok "端口 $port 已释放"
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}
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# 按本仓库 venv 的绝对路径识别整组后端进程。
|
||||
# uvicorn --reload 的监听 socket 由 reloader 父进程创建并传给 server 子进程:
|
||||
# 只 kill 监听者会让父进程立刻重生一个新子进程, 旧实例根本没退出 —— 每次重启
|
||||
# 就多叠一套常驻 1GB+ 的后端。这里把父、子一起结束。
|
||||
# 只处理同一端口的实例: 换端口再起一个 (如临时开 8000 调试) 不该被顺手杀掉。
|
||||
kill_repo_backends() {
|
||||
local pattern="$BACKEND_DIR/.venv/bin/python -m uvicorn app.main:app"
|
||||
local pids others=""
|
||||
pids=$(pgrep -f "$pattern" 2>/dev/null || true)
|
||||
if [ -z "$pids" ]; then
|
||||
return 0
|
||||
fi
|
||||
local to_kill=""
|
||||
local pid cmd
|
||||
for pid in $pids; do
|
||||
cmd=$(ps -o command= -p "$pid" 2>/dev/null || true)
|
||||
if [[ "$cmd" == *"--port $BACKEND_PORT"* ]]; then
|
||||
to_kill="$to_kill $pid"
|
||||
else
|
||||
others="$others $pid"
|
||||
fi
|
||||
done
|
||||
if [ -n "$others" ]; then
|
||||
warn "检测到其他端口上的本项目后端实例 (PID:$others), 未处理。"
|
||||
warn "如需一并结束: kill$others"
|
||||
fi
|
||||
if [ -z "$to_kill" ]; then
|
||||
return 0
|
||||
fi
|
||||
warn "结束本项目同端口后端实例 PID:$(echo "$to_kill" | xargs)"
|
||||
echo "$to_kill" | xargs kill 2>/dev/null || true
|
||||
sleep 1
|
||||
local left
|
||||
left=$(echo "$to_kill" | xargs -n1 sh -c 'kill -0 "$0" 2>/dev/null && echo "$0"' || true)
|
||||
if [ -n "$left" ]; then
|
||||
echo "$left" | xargs kill -9 2>/dev/null || true
|
||||
sleep 1
|
||||
fi
|
||||
return 0
|
||||
}
|
||||
|
||||
# 先按仓库路径结束整组后端, 再查端口:
|
||||
# 反过来的话 free_port 会先杀掉监听者 (reload 的子进程), 父进程随即重生一个,
|
||||
# 端口检查看到的又是新进程。
|
||||
kill_repo_backends
|
||||
free_port backend "$BACKEND_PORT"
|
||||
free_port frontend "$FRONTEND_PORT"
|
||||
|
||||
@@ -142,12 +187,22 @@ fi
|
||||
# ===== 4. 启动 + 日志前缀 =====
|
||||
PIDS=()
|
||||
|
||||
# 结束整棵子树: 只 kill 子 shell 自己会把 uvicorn/vite 留在原地变成孤儿
|
||||
# (实测存在存活数天的残留 vite)。递归先杀后代再杀父进程。
|
||||
kill_tree() {
|
||||
local pid="$1" child
|
||||
for child in $(pgrep -P "$pid" 2>/dev/null || true); do
|
||||
kill_tree "$child"
|
||||
done
|
||||
kill "$pid" 2>/dev/null || true
|
||||
}
|
||||
|
||||
cleanup() {
|
||||
echo
|
||||
info "关闭服务..."
|
||||
for pid in "${PIDS[@]:-}"; do
|
||||
if [ -n "$pid" ]; then
|
||||
kill "$pid" 2>/dev/null || true
|
||||
kill_tree "$pid"
|
||||
fi
|
||||
done
|
||||
# 等子进程退出,避免孤儿
|
||||
|
||||
Reference in New Issue
Block a user