Struct CrawlTrace 

pub struct CrawlTrace {
    pub depth: usize,
    pub parent: Option<String>,
    pub score: Option<f32>,
    pub attachment_of: Option<String>,
}

PageSift extensions inside metadata.pagesift. 带查询的爬取里一页的来历（metadata.pagesift.crawl）。

Fields

depth: usize

从种子页算起的深度；种子是 0。

parent: Option<String>

发现这个链接的页面；种子和 sitemap 里的 URL 没有。

score: Option<f32>

链接入队时的分数（越高越先抓）；种子没有。

attachment_of: Option<String>

附件（PDF、Office 文档）的来源页；普通页面没有。

Trait Implementations

impl Clone for CrawlTrace

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CrawlTrace

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

Formats the value using the given formatter.

impl Default for CrawlTrace

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for CrawlTrace

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for CrawlTrace

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for CrawlTrace

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for CrawlTrace