[优化] 工具整理

atsf_server/utils/network.go

@@ -0,0 +1,34 @@
+package utils
+
+import (
+	"log/slog"
+	"net"
+	"strings"
+)
+
+func GetIp() (ip string) {
+	ips, err := net.InterfaceAddrs()
+	if err != nil {
+		slog.Error("get interface addresses failed", "error", err)
+		return ip
+	}
+
+	for _, a := range ips {
+		if ipNet, ok := a.(*net.IPNet); ok && !ipNet.IP.IsLoopback() {
+			if ipNet.IP.To4() != nil {
+				ip = ipNet.IP.String()
+				if strings.HasPrefix(ip, "10") {
+					return
+				}
+				if strings.HasPrefix(ip, "172") {
+					return
+				}
+				if strings.HasPrefix(ip, "192.168") {
+					return
+				}
+				ip = ""
+			}
+		}
+	}
+	return
+}