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2026-10-19 10:40:44 +00:00 · 2026-10-06 19:01:05 +08:00
commit b705216e4a
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+#!/bin/bash
+# 测试 --region：能不能让 cloudflared 连亚洲边缘而不是美西？
+#
+# 现状：连的是 198.41.x.x，落地 lax01/sjc07（美西），ICMP 199~243ms，
+#       丢包 40%，握手经常超时。
+# cloudflared 有个 --region 参数（"Cloudflare Edge region to connect to"）。
+# 如果能把落地换到香港/新加坡/东京，延迟和丢包都会好很多。
+set -u
+
+URL=https://relay.xxmxxs.top
+RELAY_DIR=/root/lanremote-relay
+BASE="--no-autoupdate --edge-ip-version 4 --retries 5 --config /root/.cloudflared/config.yml run lanremote"
+
+try_region() {
+    local region="$1"
+    local label="$2"
+
+    systemctl stop lanremote-tunnel 2>/dev/null || true
+    pkill -f cloudflared 2>/dev/null || true
+    sleep 2
+    : > "$RELAY_DIR/tunnel.log"
+
+    if [ -n "$region" ]; then
+        nohup cloudflared tunnel --region "$region" $BASE \
+            >> "$RELAY_DIR/tunnel.log" 2>&1 &
+    else
+        nohup cloudflared tunnel $BASE >> "$RELAY_DIR/tunnel.log" 2>&1 &
+    fi
+
+    sleep 30
+
+    local conns loc proto
+    conns=$(grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)
+    loc=$(grep -o 'location=[a-z0-9]*' "$RELAY_DIR/tunnel.log" 2>/dev/null | tail -1)
+    proto=$(grep -o 'protocol=[a-z0-9]*' "$RELAY_DIR/tunnel.log" 2>/dev/null | tail -1)
+
+    printf "  %-14s 注册 %-3s %-14s %s\n" "$label" "$conns" "${loc:-?}" "${proto:-?}"
+
+    if [ "$conns" = "0" ]; then
+        echo "      报错："
+        grep -iE 'error|fatal|invalid' "$RELAY_DIR/tunnel.log" 2>/dev/null \
+            | tail -2 | sed 's/^/        /'
+    fi
+
+    # 快速探 10 次
+    local ok=0
+    for i in $(seq 1 10); do
+        c=$(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" = "200" ] && ok=$((ok+1))
+        sleep 2
+    done
+    echo "      公网 $ok/10"
+    echo "$label|$ok|${loc:-?}|$conns" >> /root/region_result.txt
+    pkill -f cloudflared 2>/dev/null || true
+    sleep 2
+}
+
+: > /root/region_result.txt
+
+echo "===== 各 region 的表现 ====="
+try_region ""        "默认(global)"
+try_region "ap"      "ap"
+try_region "us"      "us"
+
+echo
+echo "===== 汇总 ====="
+while IFS='|' read -r label ok loc conns; do
+    printf "  %-16s 公网 %s/10  落地=%s  注册=%s\n" "$label" "$ok" "$loc" "$conns"
+done < /root/region_result.txt
+
+echo
+echo "===== 恢复默认配置 ====="
+cat > /etc/systemd/system/lanremote-tunnel.service <<EOF
+[Unit]
+Description=LanRemote Cloudflare 具名隧道
+After=network-online.target lanremote-relay.service
+Wants=network-online.target lanremote-relay.service
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/cloudflared tunnel --protocol http2 --ha-connections 2 $BASE
+Restart=always
+RestartSec=5
+MemoryMax=160M
+StandardOutput=append:/root/lanremote-relay/tunnel.log
+StandardError=append:/root/lanremote-relay/tunnel.log
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl daemon-reload
+systemctl start lanremote-tunnel
+sleep 30
+echo "  隧道: $(systemctl is-active lanremote-tunnel)"
+echo "  连接数: $(curl -s --max-time 5 http://127.0.0.1:20241/metrics | grep '^cloudflared_tunnel_ha_connections' | awk '{print $2}')"