#!/bin/bash
# 10 分钟长测：确认修复后的可用率稳定。
#
# 对比基线（修之前，同样是这台设备）：
#     QUIC  ha=1        48%
#     HTTP2 ha=1      35~65%
#     HTTP2 ha=2      60~75%
#     长轮询 60 次只成功 18 次（30%），且"跑着跑着全挂"
set -u

RELAY_DIR=/root/lanremote-relay
URL=https://relay.xxmxxs.top

echo "  起点：连接数=$(curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')"

# 清空日志重新计数
: > "$RELAY_DIR/tunnel.log"

echo "  连续探 10 分钟（每 4 秒一次，共 150 次）…"
ok=0; bad=0; consec=0; maxconsec=0
for i in $(seq 1 150); do
    c=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \
        -H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
    c=${c:-000}
    if [ "$c" = "200" ]; then
        ok=$((ok + 1))
        consec=0
    else
        bad=$((bad + 1))
        consec=$((consec + 1))
        [ "$consec" -gt "$maxconsec" ] && maxconsec=$consec
    fi
    sleep 4
done

pct=$((ok * 100 / 150))
echo
echo "===== 结果 ====="
echo "  可用 $ok/150 = ${pct}%"
echo "  最长连续失败 ${maxconsec} 次（约 $((maxconsec * 4)) 秒）"
echo
echo "  隧道这 10 分钟："
echo "    注册 $(grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
echo "    断开 $(grep -c 'Connection terminated' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
echo "    Bad request syntax（那个污染 bug）$(grep -c 'Bad request syntax' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
echo "    Unsolicited response $(grep -c 'Unsolicited response' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
echo
echo "  看门狗动作："
tail -4 "$RELAY_DIR/watchdog.log" 2>/dev/null | sed 's/^/    /'
echo
echo "===== 对比修之前 ====="
echo "    修之前  48% ~ 70%"
echo "    修之后  ${pct}%"
if [ "$pct" -ge 90 ]; then
    echo "    ✓ 达到目标（≥90%）"
else
    echo "    ~ 还没到 90%"
fi