#!/bin/bash
# 查隧道为什么只有 1 条连接
set -u

echo "===== 1. 服务状态 ====="
systemctl is-active lanremote-tunnel
systemctl show lanremote-tunnel -p ExecMainStartTimestamp --value | sed 's/^/  启动于: /'

echo
echo "===== 2. metrics 全部隧道指标 ====="
curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null \
    | grep -E '^cloudflared_tunnel' | sed 's/^/  /'

echo
echo "===== 3. 最近注册的连接 ====="
grep -E 'Registered tunnel connection' /root/lanremote-relay/tunnel.log 2>/dev/null | tail -6 \
    | sed 's/.*\(connIndex=[0-9]*\).*\(location=[a-z0-9]*\).*\(protocol=[a-z0-9]*\).*/  \1 \2 \3/'

echo
echo "===== 4. 有没有注册失败 ====="
grep -iE 'failed|error|retry' /root/lanremote-relay/tunnel.log 2>/dev/null | tail -6 | sed 's/^/  /'

echo
echo "===== 5. HA 连接数设置 ====="
grep -o 'ha-connections [0-9]*' /etc/systemd/system/lanremote-tunnel.service | sed 's/^/  /'

echo
echo "===== 6. 日志里 Initial protocol 的次数（每次重启会打）====="
grep -c 'Initial protocol' /root/lanremote-relay/tunnel.log 2>/dev/null | sed 's/^/  /'
echo "  最近 3 条:"
grep 'Initial protocol' /root/lanremote-relay/tunnel.log 2>/dev/null | tail -3 | sed 's/^/    /'

echo
echo "===== 7. 进程 ====="
ps aux 2>/dev/null | grep -c '[c]loudflared' | sed 's/^/  cloudflared 进程数: /'