# keepalive-nextcloud.ps1
# 每 30s 一次 curl https://127.0.0.1:14443/status.php
# 目的：让 PHP-CGI 4 worker 永远保持热，避免公网 nc.gvsds.com 第一次 60-90s cold start 撞 frpc 60s 超时
# 用法：Start-Process powershell -WindowStyle Hidden -FilePath D:\SMANAGE\php\keepalive-nextcloud.ps1
# 停止：Stop-Process -Name powershell -Filter "CommandLine -like 'keepalive-nextcloud*'"

$ErrorActionPreference = 'SilentlyContinue'
$url = 'https://127.0.0.1:14443/status.php'
$intervalSec = 30
$logDir = 'D:\SMANAGE\logs'
if (-not (Test-Path $logDir)) { New-Item -ItemType Directory -Path $logDir -Force | Out-Null }
$logFile = Join-Path $logDir 'keepalive-nextcloud.log'

function Log($msg) {
    $ts = Get-Date -Format 'yyyy-MM-dd HH:mm:ss'
    "$ts  $msg" | Out-File -FilePath $logFile -Append -Encoding UTF8
}

Log '=== keepalive-nextcloud 启动 ==='
Log "target: $url  interval: ${intervalSec}s"

# 让 curl 跳过证书验证（自签/通配证书）
$env:CURL_CA_BUNDLE = ''
$skipCert = '-k'

while ($true) {
    $sw = [System.Diagnostics.Stopwatch]::StartNew()
    $out = & curl.exe $skipCert -s -o $null --max-time 60 -w 'code=%{http_code} time=%{time_total}s' $url 2>&1
    $sw.Stop()
    $ms = [int]$sw.ElapsedMilliseconds
    if ($ms -gt 1500 -or $LASTEXITCODE -ne 0) {
        Log "  SLOW/FAIL  $out  wall=${ms}ms  exit=$LASTEXITCODE"
    }
    Start-Sleep -Seconds $intervalSec
}