复制 local 代码到 serve
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# tickflow-stock-panel - one-shot launcher for backend + frontend (Windows / PowerShell)
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#
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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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# $env:BACKEND_PORT='8000'; .\dev.ps1
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#
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# Ctrl-C closes both processes.
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#
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# If you see "running scripts is disabled":
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# Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy RemoteSigned
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[CmdletBinding()]
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param(
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[int]$BackendPort = 0,
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[int]$FrontendPort = 0
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)
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$ErrorActionPreference = 'Stop'
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# Port precedence: CLI arg > env var > default
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if ($BackendPort -le 0) { $BackendPort = if ($env:BACKEND_PORT) { [int]$env:BACKEND_PORT } else { 3018 } }
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if ($FrontendPort -le 0) { $FrontendPort = if ($env:FRONTEND_PORT) { [int]$env:FRONTEND_PORT } else { 3011 } }
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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 $false
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$OutputEncoding = New-Object System.Text.UTF8Encoding $false
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} catch {}
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$Root = Split-Path -Parent $MyInvocation.MyCommand.Path
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$BackendDir = Join-Path $Root 'backend'
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$FrontendDir = Join-Path $Root 'frontend'
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function Log-Info($m) { Write-Host "[dev] $m" -ForegroundColor DarkGray }
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function Log-Ok ($m) { Write-Host "[dev] $m" -ForegroundColor Green }
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function Log-Warn($m) { Write-Host "[dev] $m" -ForegroundColor Yellow }
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function Log-Err ($m) { Write-Host "[dev] $m" -ForegroundColor Red }
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# ===== 1. Dependency check =====
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function Require-Cmd($cmd, $hint) {
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if (-not (Get-Command $cmd -ErrorAction SilentlyContinue)) {
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Log-Err "$cmd not found"
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Write-Host " install via: $hint"
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exit 1
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}
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}
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Require-Cmd 'uv' 'powershell -c "irm https://astral.sh/uv/install.ps1 | iex" OR winget install --id=astral-sh.uv'
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Require-Cmd 'pnpm' 'npm i -g pnpm OR corepack enable; corepack prepare pnpm@9 --activate'
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# ===== 2. Port check - kill anything listening on the target ports =====
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function Free-Port($name, $port) {
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$conns = Get-NetTCPConnection -State Listen -LocalPort $port -ErrorAction SilentlyContinue
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if (-not $conns) { return }
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$pids = @($conns.OwningProcess | Where-Object { $_ -gt 0 } | Sort-Object -Unique)
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if ($pids.Count -eq 0) { return }
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# Filter to PIDs that still exist as running processes.
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# A zombie TCP endpoint can linger after the process is already dead.
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$alive = @($pids | Where-Object {
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try { [System.Diagnostics.Process]::GetProcessById($_) | Out-Null; $true }
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catch { $false }
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})
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if ($alive.Count -eq 0) {
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# All processes are dead but kernel still holds the socket (zombie endpoint).
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# On Windows this can linger for minutes, but uvicorn/vite can still bind
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# via SO_REUSEADDR — no point waiting, just proceed.
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Log-Warn "port ${port} (${name}) - zombie socket (processes gone), starting anyway"
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return
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}
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Log-Warn "port $port ($name) is in use, killing PID: $($alive -join ', ')"
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# Use taskkill /F /T to kill the entire process tree (parent + children),
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# not just the parent. Stop-Process only kills one process, leaving child
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# processes (e.g. uvicorn spawned by uv) as orphans holding the socket.
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foreach ($p in $alive) {
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# Suppress stderr properly for Windows PowerShell (5.x)
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$null = & cmd /c "taskkill /F /T /PID $p 2>nul"
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# Fallback: if taskkill failed, try Stop-Process
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try { Stop-Process -Id $p -Force -ErrorAction SilentlyContinue } catch {}
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}
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# Wait up to 5 seconds for the kernel to release the TCP endpoint
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for ($i = 0; $i -lt 10; $i++) {
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Start-Sleep -Milliseconds 500
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$still = Get-NetTCPConnection -State Listen -LocalPort $port -ErrorAction SilentlyContinue
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if (-not $still) {
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Log-Ok "port $port freed"
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return
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}
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}
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# Port still stuck — process might be dead with zombie socket
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$anyAlive = $still | Where-Object {
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try { [System.Diagnostics.Process]::GetProcessById($_.OwningProcess) | Out-Null; $true }
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catch { $false }
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}
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if ($anyAlive.Count -eq 0) {
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Log-Warn "port ${port} - processes gone but socket lingers, starting anyway"
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} else {
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Log-Err "port ${port} still in use by live process(es). Inspect: Get-NetTCPConnection -LocalPort ${port}"
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exit 1
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}
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}
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Free-Port 'backend' $BackendPort
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Free-Port 'frontend' $FrontendPort
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# ===== 3. First-time dependency install =====
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if (-not (Test-Path (Join-Path $BackendDir '.venv'))) {
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Log-Info 'first run - installing Python deps (1-2 min)...'
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Push-Location $BackendDir
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try { & uv sync } finally { Pop-Location }
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if ($LASTEXITCODE -ne 0) { Log-Err 'uv sync failed'; exit 1 }
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Log-Ok 'backend deps installed'
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}
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if (-not (Test-Path (Join-Path $FrontendDir 'node_modules'))) {
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Log-Info 'first run - installing Node deps...'
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Push-Location $FrontendDir
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try { & pnpm install } finally { Pop-Location }
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if ($LASTEXITCODE -ne 0) { Log-Err 'pnpm install failed'; exit 1 }
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Log-Ok 'frontend deps installed'
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}
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# ===== 4. Banner (ASCII so it renders on any codepage) =====
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Write-Host ''
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Write-Host '+----------------------------------------------+' -ForegroundColor Blue
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Write-Host '| tickflow-stock-panel |' -ForegroundColor Blue
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Write-Host '| |' -ForegroundColor Blue
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Write-Host "| backend http://localhost:$BackendPort" -ForegroundColor Blue
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Write-Host "| frontend http://localhost:$FrontendPort" -ForegroundColor Blue
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Write-Host '| |' -ForegroundColor Blue
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Write-Host '| Ctrl-C closes both |' -ForegroundColor Blue
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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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$frontendPidFile = [System.IO.Path]::GetTempFileName()
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$backendJob = Start-Job -Name 'backend' -ScriptBlock {
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param($pidFile, $dir, $port)
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$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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& .\.venv\Scripts\python.exe -m uvicorn app.main:app --reload --host 0.0.0.0 --port $port 2>&1
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} -ArgumentList $backendPidFile, $BackendDir, $BackendPort
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$frontendJob = Start-Job -Name 'frontend' -ScriptBlock {
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param($pidFile, $dir, $port)
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$PID | Out-File -FilePath $pidFile -Encoding ascii -Force
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Set-Location $dir
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& pnpm dev --host 0.0.0.0 --port $port 2>&1
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} -ArgumentList $frontendPidFile, $FrontendDir, $FrontendPort
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# Wait up to 5 seconds for the PID files to materialise
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function Read-JobPid($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 $null
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}
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$backendChildPid = Read-JobPid $backendPidFile
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$frontendChildPid = Read-JobPid $frontendPidFile
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# ===== 6. Cleanup =====
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$script:cleaning = $false
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function Cleanup-All {
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if ($script:cleaning) { return }
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$script:cleaning = $true
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Write-Host ''
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Log-Info 'shutting down...'
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foreach ($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 $p 2>nul"
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}
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}
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foreach ($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 $j -Force -ErrorAction SilentlyContinue
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}
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}
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foreach ($f in @($backendPidFile, $frontendPidFile)) {
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Remove-Item $f -Force -ErrorAction SilentlyContinue
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}
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Log-Ok 'bye'
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}
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# ===== 7. Main loop - pump output, handle Ctrl-C =====
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# Treat Ctrl-C as input so try/finally is guaranteed to run.
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$prevCtrlC = [Console]::TreatControlCAsInput
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try {
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[Console]::TreatControlCAsInput = $true
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while ($true) {
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if ([Console]::KeyAvailable) {
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$key = [Console]::ReadKey($true)
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if (($key.Modifiers -band [ConsoleModifiers]::Control) -and $key.Key -eq 'C') {
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break
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}
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}
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$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 $line
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}
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}
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$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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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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}
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}
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finally {
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[Console]::TreatControlCAsInput = $prevCtrlC
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Cleanup-All
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}
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