#!/bin/bash
# 分析 530 的性质：中转收到了吗？还是 Cloudflare 边缘就没送进来？
set -u

echo "════════ 1. 中转日志在 17:31 前后的记录 ════════"
awk '/\[10-07 17:2[89]|\[10-07 17:3[0-4]/' /root/lanremote-relay/relay.log 2>/dev/null \
    | tail -40 | sed 's/^/  /'

echo
echo "════════ 2. 中转日志里有没有"健康检查"级别的记录 ════════"
echo "  说明：中转对 /v1/health 不写日志（太频繁）。"
echo "  所以"中转没记录"不能证明它没收到 —— 得靠 totalRequests 增量判断。"

echo
echo "════════ 3. 当前 totalRequests 和运行时长 ════════"
curl -s --max-time 10 http://127.0.0.1:8080/v1/health \
    | python3 -c "
import sys, json
d = json.load(sys.stdin)
print('  totalRequests:', d.get('totalRequests'))
print('  uptimeSeconds:', d.get('uptimeSeconds'))
print('  平均每秒请求数: %.3f' % (d.get('totalRequests', 0) / max(d.get('uptimeSeconds', 1), 1)))
print('  devices:', len(d.get('devices', [])), ' sessions:', d.get('sessions'))
"

echo
echo "════════ 4. HTTP 5xx 都是什么时候出现的（从长测数据）════════"
awk -F'\t' 'NR>1 && $2!="200" {print "  " $1 "  码=" $2 "  " $3 "ms"}' /root/long2h_health.tsv 2>/dev/null

echo
echo "════════ 5. 这些失败时刻，连接数是多少（对齐最近一次采样）════════"
awk -F'\t' '
    NR==FNR { if (FNR>1 && $2!="200") bad[NR]=$1; next }
    { lines[++n]=$0 }
    END {
        for (k in bad) {
            t=bad[k]
            best=""
            for (i=1;i<=n;i++) {
                split(lines[i], f, "\t")
                if (f[1] <= t) best=lines[i]
            }
            print "  失败 " t "  <- 最近采样: " best
        }
    }' /root/long2h_health.tsv /root/long2h_conns.tsv | sort | sed 's/^/  /'

echo
echo "════════ 6. 两个 tunnel 日志里，17:28~17:35 的事件 ════════"
echo "  ── QUIC ──"
grep -E '2026-10-07T09:(2[89]|3[0-5])' /root/lanremote-relay/tunnel.log 2>/dev/null \
    | grep -E 'Registered|Lost|Failed|Unregistered' | tail -12 | sed 's/^/    /'
echo "  ── HTTP/2 ──"
grep -E '2026-10-07T09:(2[89]|3[0-5])' /root/lanremote-relay/tunnel-h2.log 2>/dev/null \
    | grep -E 'Registered|Lost|Failed|Unregistered' | tail -12 | sed 's/^/    /'

echo
echo "════════ 7. watchdog 在这段时间的处置 ════════"
grep -E '17:2[89]|17:3[0-5]' /root/lanremote-relay/watchdog.log 2>/dev/null | sed 's/^/  /'