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DownloaderBuilder

bytehaul

Struct DownloaderBuilder 

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pub struct DownloaderBuilder { /* private fields */ }
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Builder for Downloader.

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impl DownloaderBuilder

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

Set the default TCP connect timeout for HTTP clients (default: 30 s).

Individual downloads can override this via DownloadSpec::connect_timeout.

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pub fn http_idle_pool( self, max_idle_per_host: usize, idle_timeout: Duration, ) -> Self

Configure the experimental HTTP idle pool for clients built by this downloader.

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

Set the default proxy for all requests built by this downloader.

Individual downloads can override this via DownloadSpec::all_proxy.

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

Set the default proxy used only for plain HTTP requests.

Individual downloads can override this via DownloadSpec::http_proxy.

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

Set the default proxy used only for HTTPS requests.

Individual downloads can override this via DownloadSpec::https_proxy.

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pub fn dns_server(self, server: SocketAddr) -> Self

Add a custom DNS server address.

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pub fn dns_servers<I>(self, servers: I) -> Self
where I: IntoIterator<Item = SocketAddr>,

Replace the DNS server list with the given addresses.

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pub fn doh_server(self, server: impl Into<String>) -> Self

Add a DNS-over-HTTPS (DoH) server URL.

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pub fn doh_servers<I, S>(self, servers: I) -> Self
where I: IntoIterator<Item = S>, S: Into<String>,

Replace the DoH server list with the given URLs.

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pub fn enable_ipv6(self, enabled: bool) -> Self

Enable or disable IPv6 support (default: true).

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pub fn log_level(self, level: LogLevel) -> Self

Set the log verbosity level for download tasks (default: LogLevel::Off).

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pub fn max_concurrent_downloads(self, limit: usize) -> Self

Limit the number of downloads that can run concurrently.

Additional downloads will wait for a semaphore permit.

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pub fn build(self) -> Result<Downloader, DownloadError>

Build the Downloader instance.

Returns an error if the HTTP client cannot be constructed (e.g. an invalid proxy URL).

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