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xmz7891
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琚帶绔?- 淇 MTU 闂锛氬す MSS + 璺緞 MTU 鎺㈡祴锛堝叕缃戝彲鐢ㄧ巼 48% -> 100%锛?- 澶嶇敤 HTTP 杩炴帴锛堝厤鎺夋瘡娆℃柊寤?TLS 鐨?30% 鎻℃墜澶辫触锛?- 姣忓垎閽熷洖澶存壘灞€鍩熺綉锛岃嚜鍔ㄥ垏鍥炲揩 400 鍊嶇殑璺緞 - 鐢婚潰蹇冭烦甯э細闈欐鏃剁渷娴侀噺锛屽鎴风浠嶇煡閬撴祦鏄椿鐨?- 閿佸睆鏃剁粰鍑哄彲鎿嶄綔鐨勬彁绀? 鎵嬭〃绔?- 鍐呯疆 GTS Root R4 / GlobalSign Root CA锛屼慨 SSLHandshakeException - 杩炴帴閿欒缈昏瘧鎴愪汉璇濓紙璇佷功/鏃堕棿/瑙ｆ瀽/瓒呮椂鍒嗗埆鎻愮ず锛?- 缁忎腑杞繛涓婂悗鐢ㄦ湇鍔″櫒鎶ョ殑鍦板潃鍒锋柊宸查厤瀵硅褰?- 鏂板灞€鍩熺綉杩炴帴椤甸潰銆佹湇鍔″櫒寤惰繜妫€娴? 鏈嶅姟鍣ㄧ - 鏀寔 chunked 璇锋眰浣擄紙淇瘡 16 绉掍竴娆＄殑杩炴帴閿欎贡涓庡ぇ闈㈢Н 502锛?- 缃戠粶璋冧紭鑴氭湰 net-tune.sh锛堝紑鏈鸿嚜鍔ㄥ簲鐢級 - 绠＄悊椤碉細鎵归噺鍒犻櫎銆佺綉缁滀綋妫€銆佷笅杞藉尯 - 闅ч亾鏀?HTTP/2 + 鍙岃繛鎺? 鏂囨。 - 璁稿彲鍗忚 / 瀹夎鍓嶅繀璇?/ 瀹夎鍚庨』鐭ワ紙浣滆€咃細灏忛害瀛愶級
75 lines
2.9 KiB
Bash
75 lines
2.9 KiB
Bash
#!/bin/bash
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# 诊断隧道当前状态（e2e 连续失败）。
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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. 三个服务 ====="
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for s in lanremote-relay lanremote-tunnel lanremote-watchdog.timer; do
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printf " %-30s %-10s %s\n" "$s" \
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"$(systemctl is-active $s 2>/dev/null)" \
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"$(systemctl is-enabled $s 2>/dev/null)"
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done
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echo
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echo "===== 2. cloudflared 连接数 ====="
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echo -n " ha_connections = "
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curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null \
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| grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}'
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echo -n " TCP 会话 = "
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curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null \
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| grep '^cloudflared_tcp_active_sessions' | awk '{print $2}'
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echo -n " 请求总数 = "
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curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null \
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| grep '^cloudflared_tunnel_total_requests' | awk '{print $2}'
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echo
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echo "===== 3. 隧道进程 ====="
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pgrep -a -f 'cloudflared tunnel' | head -3 | sed 's/^/ /' || echo " 没有进程"
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echo
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echo "===== 4. 日志统计 ====="
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echo " 注册成功: $(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' $RELAY_DIR/tunnel.log 2>/dev/null || echo 0)"
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echo
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echo " 日志最近 8 行："
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tail -8 "$RELAY_DIR/tunnel.log" 2>/dev/null | sed 's/^/ /'
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echo
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echo "===== 5. 看门狗最近动作 ====="
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tail -8 "$RELAY_DIR/watchdog.log" 2>/dev/null | sed 's/^/ /' || echo " （没日志）"
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echo -n " 看门狗状态: "
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cat "$RELAY_DIR/watchdog.state" 2>/dev/null | tr '\n' ' '
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echo
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echo
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echo "===== 6. 源站（本地）====="
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echo " /v1/health: HTTP $(timeout 8 curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:8080/v1/health)"
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echo " / (管理页): HTTP $(timeout 8 curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:8080/)"
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echo -n " 中转内存: "
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curl -s --max-time 5 http://127.0.0.1:8080/v1/health | python3 -c 'import json,sys;print(str(json.load(sys.stdin)["memoryKB"]//1024)+" MB")' 2>/dev/null || echo "?"
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echo
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echo "===== 7. 公网可达性（连打 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}' \
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-H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
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[ "$C" = "200" ] && { OK=$((OK+1)); M="✓"; } || M="✗"
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printf " %2d: %s %s\n" "$i" "$M" "${C:-超时}"
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sleep 2
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done
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echo " 公网 $OK / 10"
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echo
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echo "===== 8. 诊断结论 ====="
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CONNS=$(curl -s --max-time 5 http://127.0.0.1:20241/metrics 2>/dev/null | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')
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if [ "${CONNS:-0}" = "0" ]; then
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echo " 0 条连接 —— cloudflared 到边缘的链路断了，正在退避重连"
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echo " 看门狗应该会在 30-60 秒内把它重启"
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else
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echo " 有 $CONNS 条连接，但公网只有 $OK/10 —— 链路质量差"
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fi
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