#!/bin/bash
# 看设备上隧道现在的配比 + 连接数（判断 relay-stability 有没有在跑对照）
set -u

echo "  ── 两个隧道单元的配置 ──"
for s in lanremote-tunnel lanremote-tunnel-h2; do
    if [ -f "/etc/systemd/system/$s.service" ]; then
        cfg=$(grep -oE -- '--protocol [a-z0-9]+|--ha-connections [0-9]+|--metrics [0-9.:]+' \
              "/etc/systemd/system/$s.service" | tr '\n' ' ')
        printf "  %-24s %s  (%s)\n" "$s" "$cfg" "$(systemctl is-active $s 2>/dev/null)"
    else
        printf "  %-24s （不存在）\n" "$s"
    fi
done

echo
echo "  ── 实时连接数 ──"
for p in 20241 20242; do
    n=$(curl -s --max-time 4 "http://127.0.0.1:$p/metrics" 2>/dev/null \
        | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')
    printf "    端口 %s -> %s 条\n" "$p" "${n:-读不到}"
done

echo
echo "  ── 公网自检 ──"
curl -s --max-time 20 -o /dev/null -w '    HTTP %{http_code}  %{time_total}s\n' \
    -H 'User-Agent: LanRemote/1.8.2' https://relay.xxmxxs.top/v1/health

echo
echo "  ── relay-stability 的测量进程 ──"
pgrep -af 'rp_|longstab|bench' 2>/dev/null | head -5 | sed 's/^/    /' || echo "    （没有在跑）"

echo
echo "  ── 它最近写的文件 ──"
ls -la --time-style=+%H:%M:%S /root/rp_* /root/*.tsv 2>/dev/null | tail -8 | sed 's/^/    /' || true