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xmz7891
b705216e4a
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
64 lines
2.4 KiB
Bash
64 lines
2.4 KiB
Bash
#!/bin/bash
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# 长轮询为什么跑着跑着就全挂？
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#
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# 实测：60 次长轮询，前 18 次成功，之后全失败（502）。
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# 每次耗时 15.6 秒（长轮询 hold 15 秒）。
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#
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# 查：隧道是不是在这期间死了 / 连接数掉了 / 看门狗干了什么。
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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. 服务 ====="
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for s in lanremote-relay lanremote-tunnel lanremote-watchdog.timer; do
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printf " %-26s %s\n" "$s" "$(systemctl is-active "$s" 2>/dev/null)"
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done
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echo
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echo "===== 2. 隧道连接数 / 注册 / 断开 ====="
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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 " 注册 $(grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
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echo " 断开 $(grep -c 'Connection terminated' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
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echo " Lost $(grep -c 'Lost connection with the edge' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
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echo " 502 $(grep -ci '502\|bad gateway' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0) 次"
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echo
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echo "===== 3. 隧道日志最近 15 行 ====="
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tail -15 "$RELAY_DIR/tunnel.log" 2>/dev/null | sed 's/^/ /'
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echo
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echo "===== 4. 看门狗最近 8 条 ====="
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tail -8 "$RELAY_DIR/watchdog.log" 2>/dev/null | sed 's/^/ /'
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echo
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echo "===== 5. relay 收到的请求数 / 内存 ====="
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curl -s --max-time 8 http://127.0.0.1:8080/v1/health 2>/dev/null \
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| python3 -c 'import json,sys; d=json.load(sys.stdin); print(f" totalRequests={d[\"totalRequests\"]} memory={d[\"memoryKB\"]//1024}MB uptime={d[\"uptimeSeconds\"]}s")' \
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2>/dev/null || echo " 读不到"
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echo
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echo "===== 6. relay 的线程数（长轮询会不会堆线程）====="
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PID=$(systemctl show lanremote-relay -p MainPID --value 2>/dev/null)
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if [ -n "$PID" ] && [ "$PID" != "0" ]; then
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echo " PID=$PID 线程数=$(ls /proc/$PID/task 2>/dev/null | wc -l)"
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echo " 打开的文件数=$(ls /proc/$PID/fd 2>/dev/null | wc -l)"
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else
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echo " 拿不到 PID"
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fi
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echo
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echo "===== 7. 现在公网（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 15 curl -4 -s -o /dev/null -w '%{http_code}' \
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-H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
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printf "%s " "${c:-000}"
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[ "$c" = "200" ] && ok=$((ok+1))
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sleep 1
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done
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echo
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echo " 公网 $ok/10"
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