#!/bin/bash
# 查清 watchdog 的调度方式 + 两个 cloudflared 实例的完整参数
set -u

echo "════════ 1. watchdog 怎么被调度的 ════════"
echo "  systemd 单元:"
systemctl list-units --all --no-pager 2>/dev/null | grep -i watchdog | sed 's/^/    /'
echo "  timer:"
systemctl list-timers --all --no-pager 2>/dev/null | grep -i watchdog | sed 's/^/    /'
echo "  cron:"
crontab -l 2>/dev/null | grep -i watchdog | sed 's/^/    /' || echo "    （没有）"
echo "  /etc/cron.d:"
grep -ri watchdog /etc/cron.d/ /etc/cron.daily/ 2>/dev/null | sed 's/^/    /' || echo "    （没有）"
echo "  rc.local:"
grep -i watchdog /etc/rc.local 2>/dev/null | sed 's/^/    /' || echo "    （没有）"
echo "  是否有 watchdog 进程在跑:"
pgrep -af 'watchdog' | sed 's/^/    /' || echo "    （没有）"

echo
echo "════════ 2. /etc/systemd/system 里所有 lanremote 单元 ════════"
ls -la /etc/systemd/system/ 2>/dev/null | grep -iE 'lanremote|watchdog' | sed 's/^/  /'

echo
echo "════════ 3. 两个 cloudflared 进程的完整命令行 ════════"
for p in $(pgrep cloudflared); do
    echo "  ── pid $p ──"
    tr '\0' ' ' < /proc/$p/cmdline 2>/dev/null | sed 's/^/    /'
    echo
    echo "    启动于: $(ps -o lstart= -p $p 2>/dev/null)"
    echo "    内存: $(ps -o rss= -p $p 2>/dev/null) KB"
    echo "    父进程: $(ps -o ppid= -p $p 2>/dev/null | tr -d ' ') -> $(cat /proc/$p/cgroup 2>/dev/null | head -1)"
done

echo
echo "════════ 4. 两个实例的 ExecStart ════════"
echo "  ── 主 (lanremote-tunnel) ──"
systemctl cat lanremote-tunnel 2>/dev/null | grep -E 'ExecStart|StandardOutput|MemoryMax' | sed 's/^/    /'
echo "  ── 副 (lanremote-tunnel-h2) ──"
systemctl cat lanremote-tunnel-h2 2>/dev/null | grep -E 'ExecStart|StandardOutput|MemoryMax' | sed 's/^/    /'

echo
echo "════════ 5. 各自绑的 metrics 端口 ════════"
ss -tlnp 2>/dev/null | grep -E '2024[0-9]' | sed 's/^/  /'
for port in 20240 20241 20242 20243; do
    n=$(curl -s --max-time 3 http://127.0.0.1:$port/metrics 2>/dev/null \
        | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')
    echo "  端口 $port: ha_connections=${n:-（无响应）}"
done

echo
echo "════════ 6. 两个实例各自最近的连接事件 ════════"
echo "  ── 主 (tunnel.log) 最近 8 条 ──"
grep -E 'Registered|Lost|Failed to dial|Unregistered' /root/lanremote-relay/tunnel.log 2>/dev/null | tail -8 | sed 's/^/    /'
echo "  ── 副 (tunnel-h2.log) 最近 8 条 ──"
grep -E 'Registered|Lost|Failed to dial|Unregistered' /root/lanremote-relay/tunnel-h2.log 2>/dev/null | tail -8 | sed 's/^/    /'