Struct BatchBuilder 

pub struct BatchBuilder { /* private fields */ }

Builder for downloading multiple URLs concurrently.

Create one via crate::batch().

Implementations

impl BatchBuilder

pub fn new(urls: impl IntoIterator<Item = impl Into<String>>) -> Self

Create a batch builder from any iterator of URL strings.

pub fn concurrency(self, n: usize) -> Self

Maximum number of simultaneous downloads. Default: 4.

pub fn output_dir(self, dir: impl Into<String>) -> Self

Directory where all files are saved. Default: current directory.

pub fn speed_limit(self, bps: u64) -> Self

Speed limit applied to each individual download (bytes/s).

pub fn proxy(self, url: impl Into<String>) -> Self

HTTP proxy URL shared by all downloads.

pub fn proxy_auth( self, user: impl Into<String>, pass: impl Into<String>, ) -> Self

Proxy credentials.

pub fn header(self, name: impl Into<String>, value: impl Into<String>) -> Self

Add a custom HTTP header sent with every download.

pub fn retry(self, config: RetryConfig) -> Self

Retry policy for each individual download.

pub fn quiet(self, q: bool) -> Self

Suppress per-download progress output.

pub fn download_all(self) -> Vec<BatchResult>

Run all downloads with bounded concurrency and return one result per URL.

Uses a Rayon thread pool sized to concurrency.