Struct ConditionalRequest 

pub struct ConditionalRequest {
    pub last_modified: Option<SimpleDateTime>,
    pub etag: Option<String>,
    pub content_length: Option<u64>,
    pub not_modified: bool,
}

Manages HTTP conditional headers for smart resume and unchanged-file detection.

Fields

last_modified: Option<SimpleDateTime>

etag: Option<String>

content_length: Option<u64>

not_modified: bool

Track whether server returned 304 Not Modified in last request

Implementations

impl ConditionalRequest

pub fn new() -> Self

Create a new empty ConditionalRequest

impl ConditionalRequest

pub fn to_headers(&self) -> Vec<(String, String)>

Build headers for conditional request. If both Last-Modified and ETag present, prefer ETag (stronger validation).

pub fn update_from_response( &mut self, status: u16, headers: &[(String, String)], )

Parse response headers to update state for next request.

pub fn should_skip(&self) -> bool

Should we skip this download? (304 Not Modified)

pub fn can_resume(&self, local_file_size: u64) -> bool

Is resume possible? (have partial data + server supports Range)

pub fn needs_full_redownload(&self) -> bool

Need full re-download? (416 or no range support detected)

Trait Implementations

impl Default for ConditionalRequest

fn default() -> Self

Returns the “default value” for a type.