#!/bin/bash
# 查出隧道「双协议」到底是什么状态 —— 文档要照着实际写，不能猜。
set -u

echo "════════ 1. 所有隧道相关服务 ════════"
for s in lanremote-tunnel lanremote-tunnel-h2 lanremote-tunnel-http2; do
    if systemctl list-unit-files 2>/dev/null | grep -q "^$s.service"; then
        printf "  %-26s enabled=%-9s active=%s\n" "$s" \
            "$(systemctl is-enabled $s 2>/dev/null)" \
            "$(systemctl is-active $s 2>/dev/null)"
    else
        printf "  %-26s （不存在）\n" "$s"
    fi
done

echo
echo "════════ 2. 每个服务的完整配置 ════════"
for s in lanremote-tunnel lanremote-tunnel-h2 lanremote-tunnel-http2; do
    if systemctl list-unit-files 2>/dev/null | grep -q "^$s.service"; then
        echo "  ── $s ──"
        systemctl cat $s 2>/dev/null | grep -E 'ExecStart|Description' | sed 's/^/      /'
    fi
done

echo
echo "════════ 3. 实际在跑的 cloudflared 进程 ════════"
ps -eo pid,etime,cmd 2>/dev/null | grep '[c]loudflared' | sed 's/^/  /'

echo
echo "════════ 4. 连接数（metrics）════════"
for p in 20241 20242 20243 20244; do
    n=$(curl -s --max-time 3 "http://127.0.0.1:$p/metrics" 2>/dev/null \
        | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')
    [ -n "${n:-}" ] && echo "  端口 $p: $n 条连接"
done

echo
echo "════════ 5. 每个连接用的协议 ════════"
for p in 20241 20242; do
    out=$(curl -s --max-time 3 "http://127.0.0.1:$p/metrics" 2>/dev/null \
          | grep -oE 'protocol="[a-z0-9]+"' | sort | uniq -c)
    [ -n "${out:-}" ] && { echo "  端口 $p:"; echo "$out" | sed 's/^/      /'; }
done

echo
echo "════════ 6. 服务端 zip 里有哪些部署脚本 ════════"
ls -1 /root/lanremote-relay/*.sh 2>/dev/null | sed 's/^/  /'

echo
echo "════════ 7. deploy.sh 里对隧道服务的处理（关键行）════════"
grep -nE 'lanremote-tunnel|tunnel-h2|--protocol|ha-connections' \
     /root/lanremote-relay/deploy.sh 2>/dev/null | head -30 | sed 's/^/  /'

echo
echo "════════ 8. deploy-tune.sh 里对隧道/MTU 的处理 ════════"
grep -nE 'mtu|MSS|mss|protocol|quic|keepalive' \
     /root/lanremote-relay/deploy-tune.sh 2>/dev/null | head -25 | sed 's/^/  /'