Function getRandomIPv6s

main.go:597–633

(ipList []string)

}

func getRandomIPv6s(ipList []string) []string {
	var randomIPs []string
	for _, subnet := range ipList {
		subnet = strings.TrimSpace(subnet)
		if subnet == "" {
			continue
		}
		if idx := strings.Index(subnet, "/"); idx >= 0 {
			subnet = subnet[:idx]
		}
		// 展开 :: 压缩，确保有 8 段
		if strings.Contains(subnet, "::") {
			parts := strings.Split(subnet, "::")
			left := strings.Split(parts[0], ":")
			var right []string
			if len(parts) > 1 && parts[1] != "" {
				right = strings.Split(parts[1], ":")
			}
			missing := 8 - len(left) - len(right)
			sections := left
			for range missing {
				sections = append(sections, "0")
			}
			sections = append(sections, right...)
			subnet = strings.Join(sections, ":")
		}
		sections := strings.Split(subnet, ":")
		if len(sections) >= 3 {
			sections = sections[:3]
			for i := 3; i < 8; i++ {
				sections = append(sections, fmt.Sprintf("%x", nextRandomIntn(65536)))
			}
			randomIPs = append(randomIPs, strings.Join(sections, ":"))
		}
	}
	return randomIPs
}

// downloadAllData 确保所有数据文件存在，缺失则自动下载
func downloadAllData() {