#!/bin/bash
# 长测结束后，把所有数据汇总成一份可直接引用的报告
set -u

echo "################################################################"
echo "#  中转稳定性最终数据汇总"
echo "#  生成时间: $(date '+%Y-%m-%d %H:%M:%S')"
echo "################################################################"

echo
echo "════════════════════ 一、最终配置 ════════════════════"
echo "  ── 隧道实例 ──"
for svc in lanremote-tunnel lanremote-tunnel-h2; do
    echo "  $svc:"
    systemctl cat "$svc" 2>/dev/null \
        | grep -oE '\-\-metrics [0-9.:]+|\-\-protocol [a-z0-9]+|\-\-ha-connections [0-9]+|\-\-edge-ip-version [0-9]+|\-\-retries [0-9]+' \
        | sed 's/^/      /'
done
echo "  ── 网络层 ──"
echo "      wlan0 MTU: $(cat /sys/class/net/wlan0/mtu)"
iptables -t mangle -S OUTPUT 2>/dev/null | grep TCPMSS | sed 's/^/      /'
echo "      keepalive: time=$(sysctl -n net.ipv4.tcp_keepalive_time) intvl=$(sysctl -n net.ipv4.tcp_keepalive_intvl) probes=$(sysctl -n net.ipv4.tcp_keepalive_probes)"
echo "  ── 中转 ──"
echo "      长轮询: $(grep -oE 'RELAY_POLL=[0-9]+' /etc/systemd/system/lanremote-relay.service 2>/dev/null)"
curl -s --max-time 10 http://127.0.0.1:8080/v1/health | head -c 120 | sed 's/^/      /'
echo
echo "  ── watchdog ──"
echo "      $(systemctl is-active lanremote-watchdog.timer) / $(wc -l < /root/lanremote-relay/watchdog.sh) 行"

echo
echo "════════════════════ 二、长测结果 ════════════════════"

# ---- 设备侧健康 ----
H=/root/long2h_health.tsv
if [ -f "$H" ]; then
    n=$(grep -c . "$H")
    ok=$(awk -F'\t' '$2=="200"' "$H" | wc -l)
    echo "  ── 设备侧公网可用率（含设备自己的 4G 那一段，偏悲观）──"
    echo "      样本 $n  成功 $ok  = $(awk -v a="$ok" -v b="$n" 'BEGIN{printf "%.1f", a*100/b}')%"
    awk -F'\t' '$2=="200"{print $3}' "$H" | sort -n | awk '{a[NR]=$1} END{
        if(NR==0){print "      无数据"; exit}
        printf "      耗时: 最小 %d  中位 %d  P90 %d  P99 %d  最大 %d ms\n",
            a[1], a[int(NR/2)+1], a[int(NR*0.9)+1], a[int(NR*0.99)+1], a[NR]}'
    echo "      状态码分布:"
    awk -F'\t' '{print $2}' "$H" | sort | uniq -c | sort -rn | sed 's/^/        /'
    echo "      失败时刻（全部）:"
    awk -F'\t' '$2!="200"{print "        " $1 "  码=" $2 "  " $3 "ms"}' "$H"
fi

# ---- 轮询 ----
P=/root/rp_poll30.tsv
if [ -f "$P" ]; then
    n=$(grep -c . "$P")
    ok=$(awk -F'\t' '$2=="200"' "$P" | wc -l)
    echo
    echo "  ── 长轮询（30 次，每次挂 60 秒）──"
    echo "      $ok/$n = $(awk -v a="$ok" -v b="$n" 'BEGIN{printf "%.1f", a*100/b}')%"
    awk -F'\t' '$2=="200"{print $3}' "$P" | sort -n | awk '{a[NR]=$1} END{
        if(NR==0){print "      无数据"; exit}
        printf "      最小 %d  P50 %d  P90 %d  P99 %d  最大 %d ms（理想 ≈ 61000）\n",
            a[1], a[int(NR/2)+1], a[int(NR*0.9)+1], a[int(NR*0.99)+1], a[NR]}'
    echo "      超过 90000ms 的样本（会打到客户端 120 秒超时的边缘）:"
    awk -F'\t' '$3>90000{print "        #" $1 "  " $3 "ms  开始 " $4}' "$P"
fi

# ---- 连接数 ----
C=/root/long2h_conns.tsv
if [ -f "$C" ]; then
    echo
    echo "  ── 连接数波动 ──"
    awk -F'\t' 'NR>1 && $2 ~ /^[0-9]+$/ {if(min==""||$2<min)min=$2; if($2>max)max=$2}
                NR>1 && $3 ~ /^[0-9]+$/ {if(min2==""||$3<min2)min2=$3; if($3>max2)max2=$3}
                END{
                    printf "      quic:  %s ~ %s\n", min, max
                    printf "      http2: %s ~ %s\n", min2, max2}'
    echo "      出现过的组合（次数 top 8）:"
    awk -F'\t' 'NR>1{print "quic="$2" http2="$3}' "$C" | sort | uniq -c | sort -rn | head -8 | sed 's/^/        /'
    echo "      总连接数掉到 3 以下的时刻:"
    awk -F'\t' 'NR>1 && $2 ~ /^[0-9]+$/ && $3 ~ /^[0-9]+$/ && $2+$3<3 {print "        " $1 "  quic="$2" http2="$3}' "$C"
fi

# ---- PC 侧 ----
PC=/root/../dev/null
echo
echo "  ── PC 侧（真实用户视角，只有回源那一跳走 4G）──"
echo "      （数据在本地 _build/rp_pc_long.tsv，见报告正文）"

echo
echo "════════════════════ 三、隧道事件增量 ════════════════════"
echo "  ── QUIC 实例（tunnel.log 全量）──"
for kw in 'Registered tunnel connection' 'Failed to dial' 'Lost connection' 'i/o timeout' 'no recent network activity'; do
    printf "      %-34s %s\n" "$kw" "$(grep -c "$kw" /root/lanremote-relay/tunnel.log 2>/dev/null)"
done
echo "  ── HTTP/2 实例（tunnel-h2.log 全量）──"
for kw in 'Registered tunnel connection' 'Failed to dial' 'Lost connection' 'i/o timeout'; do
    printf "      %-34s %s\n" "$kw" "$(grep -c "$kw" /root/lanremote-relay/tunnel-h2.log 2>/dev/null)"
done

echo
echo "════════════════════ 四、watchdog 处置记录 ════════════════════"
grep -E '重启|无响应|建齐' /root/lanremote-relay/watchdog.log 2>/dev/null | tail -15 | sed 's/^/  /'

echo
echo "════════════════════ 五、中转自身 ════════════════════"
echo "  BrokenPipeError 次数: $(grep -c 'BrokenPipeError' /root/lanremote-relay/relay.log 2>/dev/null)"
echo "  下载中断次数: $(grep -c '下载中断' /root/lanremote-relay/relay.log 2>/dev/null)"
echo "  内存占用: $(systemctl show lanremote-relay -p MemoryCurrent --value | awk '{printf "%.1f MB", $1/1024/1024}')"
echo "  运行时长: $(systemctl show lanremote-relay -p ActiveEnterTimestamp --value)"