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ykxmz 1.5.0:修复手表端 TLS 证书校验 + MTU 修复网络稳定性
被控端 - 修复 MTU 问题:夹 MSS + 路径 MTU 探测(公网可用率 48% -> 100%) - 复用 HTTP 连接(免掉每次新建 TLS 的 30% 握手失败) - 每分钟回头找局域网,自动切回快 400 倍的路径 - 画面心跳帧:静止时省流量,客户端仍知道流是活的 - 锁屏时给出可操作的提示 手表端 - 内置 GTS Root R4 / GlobalSign Root CA,修 SSLHandshakeException - 连接错误翻译成人话(证书/时间/解析/超时分别提示) - 经中转连上后用服务器报的地址刷新已配对记录 - 新增局域网连接页面、服务器延迟检测 服务器端 - 支持 chunked 请求体(修每 16 秒一次的连接错乱与大面积 502) - 网络调优脚本 net-tune.sh(开机自动应用) - 管理页:批量删除、网络体检、下载区 - 隧道改 HTTP/2 + 双连接 文档 - 许可协议 / 安装前必读 / 安装后须知(作者:小麦子)
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#!/bin/bash
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# 查为什么轻负载 OK、密集请求就 502/530。
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#
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# 现象:
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# 每 2 秒打一次健康检查 -> 15/15 全通
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# e2e 测试(密集请求 + 长轮询 + 256KB)-> 全 502/530
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#
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# 502 = Cloudflare 到不了源站;530 = 源站 DNS 错误。
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# 但源站就是本机 127.0.0.1:8080 —— 那说明 cloudflared 自己的连接掉了。
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set -u
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RELAY_DIR=/root/lanremote-relay
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URL=https://relay.xxmxxs.top
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echo "===== 1. 隧道当前状态 ====="
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echo " 服务: $(systemctl is-active lanremote-tunnel)"
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echo " 已注册连接: $(grep -c 'Registered tunnel connection' $RELAY_DIR/tunnel.log 2>/dev/null || echo 0)"
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echo " 连接断开: $(grep -c 'Connection terminated' $RELAY_DIR/tunnel.log 2>/dev/null || echo 0)"
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echo " quic 错误: $(grep -c 'Failed to dial a quic' $RELAY_DIR/tunnel.log 2>/dev/null || echo 0)"
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echo
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echo " 日志最近 6 行:"
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tail -6 "$RELAY_DIR/tunnel.log" 2>/dev/null | sed 's/^/ /'
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echo
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echo "===== 2. 轻负载(每 2 秒一次,10 次)====="
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OK=0
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for i in $(seq 1 10); do
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C=$(timeout 20 curl -4 -s -o /dev/null -w '%{http_code}' -H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
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[ "$C" = "200" ] && OK=$((OK+1))
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printf " %2d: %s\n" "$i" "${C:-超时}"
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sleep 2
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done
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echo " 轻负载 $OK/10"
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echo
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echo "===== 3. 密集负载(不间隔,20 次)====="
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DOK=0
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for i in $(seq 1 20); do
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C=$(timeout 20 curl -4 -s -o /dev/null -w '%{http_code}' -H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
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[ "$C" = "200" ] && DOK=$((DOK+1))
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printf " %2d: %s\n" "$i" "${C:-超时}"
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done
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echo " 密集负载 $DOK/20"
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echo
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echo "===== 4. 大包(256KB 上传)====="
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head -c 262144 /dev/zero | tr '\0' 'A' > /tmp/big.bin
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C=$(timeout 60 curl -4 -s -o /dev/null -w '%{http_code}' \
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-H 'User-Agent: LanRemote/1.4.0' \
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-X POST --data-binary @/tmp/big.bin "$URL/v1/admin/devices" 2>/dev/null)
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echo " 256KB POST: HTTP ${C:-超时}"
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rm -f /tmp/big.bin
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echo
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echo "===== 5. 大包之后隧道还活着吗 ====="
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echo " 已注册连接: $(grep -c 'Registered tunnel connection' $RELAY_DIR/tunnel.log 2>/dev/null || echo 0)"
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echo " 连接断开: $(grep -c 'Connection terminated' $RELAY_DIR/tunnel.log 2>/dev/null || echo 0)"
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echo
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echo " 日志最近 8 行:"
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tail -8 "$RELAY_DIR/tunnel.log" 2>/dev/null | sed 's/^/ /'
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echo
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echo "===== 6. 源站(本地)在同一时刻的表现 ====="
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LOK=0
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for i in $(seq 1 20); do
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C=$(timeout 8 curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:8080/v1/health)
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[ "$C" = "200" ] && LOK=$((LOK+1))
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done
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echo " 本地源站 $LOK/20"
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echo
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echo "===== 7. 结论 ====="
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echo " 轻负载 $OK/10 密集 $DOK/20 本地 $LOK/20"
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if [ "$LOK" -ge 19 ] && [ "$DOK" -lt 10 ]; then
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echo " -> 源站没问题,是**隧道在密集请求下扛不住**"
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echo " 这条 4G 线路的带宽/丢包撑不住高并发。"
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echo " 客户端本身的失败重试就是关键(被控端/手表都有)。"
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elif [ "$LOK" -lt 15 ]; then
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echo " -> 源站也有问题,去看 relay.log"
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fi
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