qiniu_download

Struct RangeReaderBuilder

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pub struct RangeReaderBuilder(/* private fields */);
Expand description

对象范围下载构建器

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impl RangeReaderBuilder

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pub fn new( bucket: impl Into<String>, key: impl Into<String>, credential: Credential, io_urls: Vec<String>, ) -> Self

创建对象范围下载构建器

§Arguments
  • bucket - 存储空间
  • key - 对象名称
  • credential - 存储空间所在账户的凭证
  • io_urls - 七牛 IO 服务器 URL 列表
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pub fn uc_urls(self, urls: Vec<String>) -> Self

设置七牛 UC 服务器 URL 列表

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pub fn monitor_urls(self, urls: Vec<String>) -> Self

设置七牛监控服务器 URL 列表

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pub fn io_tries(self, tries: usize) -> Self

设置对象下载最大尝试次数

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pub fn uc_tries(self, tries: usize) -> Self

设置 UC 查询的最大尝试次数

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pub fn dot_tries(self, tries: usize) -> Self

设置打点记录上传的最大尝试次数

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pub fn update_interval(self, interval: Duration) -> Self

设置 UC 查询的频率

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pub fn punish_duration(self, duration: Duration) -> Self

设置域名访问失败后的惩罚时长

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pub fn base_timeout(self, timeout: Duration) -> Self

设置域名访问的基础超时时长

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pub fn connect_timeout(self, timeout: Duration) -> Self

设置域名访问的连接时长

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pub fn max_punished_times(self, max_times: usize) -> Self

设置失败域名的最大重试次数

一旦一个域名的被惩罚次数超过限制，则域名选择器不会选择该域名，除非被惩罚的域名比例超过上限，或惩罚时长超过指定时长

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pub fn max_punished_hosts_percent(self, percent: u8) -> Self

设置被惩罚的域名最大比例

域名选择器在搜索域名时，一旦被跳过的域名比例大于该值，则下一个域名将被选中，不管该域名是否也被惩罚。一旦该域名成功，则惩罚将立刻被取消

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pub fn use_getfile_api(self, use_getfile_api: bool) -> Self

设置是否使用 getfile API 下载

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pub fn normalize_key(self, normalize_key: bool) -> Self

设置是否对 key 进行格式化

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pub fn private_url_lifetime( self, private_url_lifetime: Option<Duration>, ) -> Self

设置私有空间下载 URL 有效期，如果为 None，则使用公开空间下载 URL

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pub fn dot_interval(self, dot_interval: Duration) -> Self

设置打点记录上传频率

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pub fn max_dot_buffer_size(self, max_dot_buffer_size: u64) -> Self

设置打点记录本地缓存文件尺寸上限

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pub fn max_retry_concurrency(self, max_retry_concurrency: u32) -> Self

设置最大并行重试次数，如果设置为 0 则表示禁止并行重试功能

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pub fn use_https(self, use_https: bool) -> Self

设置是否使用 HTTPS 协议来访问 IO 服务器

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pub fn build(self) -> RangeReader

构建范围下载器

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pub fn from_config(key: impl Into<String>, config: &Config) -> Self

从配置创建范围下载构建器

§Arguments
  • key - 对象名称
  • config - 下载配置
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pub fn from_env(key: impl Into<String>) -> Option<Self>

从环境变量创建范围下载构建器

§Arguments
  • key - 对象名称

Trait Implementations§

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impl Debug for RangeReaderBuilder

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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