Metadata

reth_stages::stages

Struct Metadata 

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pub struct Metadata {
    pub total_size: usize,
    pub downloaded: usize,
    pub chunk_size: usize,
    /* private fields */
}
Expand description

Tracks download progress and manages chunked downloads for resumable file transfers.

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§total_size: usize

Total file size

§downloaded: usize

Total file size

§chunk_size: usize

Download chunk size. Default 150MB.

Implementations§

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impl Metadata

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pub fn builder(data_file: &Path) -> MetadataBuilder

Build a Metadata using a builder.

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pub fn file_path(data_file: &Path) -> PathBuf

Returns the metadata file path of a data file: {data_file}.metadata

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pub fn needed_ranges(&self) -> Vec<RemainingChunkRange>

Returns a list of all chunks with their remaining ranges to be downloaded: RemainingChunkRange.

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pub fn update_chunk( &mut self, index: usize, downloaded_bytes: usize, ) -> Result<(), DownloaderError>

Updates a downloaded chunk.

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pub fn commit(&self) -> Result<(), DownloaderError>

Commits the Metadata to file.

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pub fn load(data_file: &Path) -> Result<Self, DownloaderError>

Loads a Metadata file from disk using the target data file.

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pub fn is_done(&self) -> bool

Returns true if we have downloaded all chunks.

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pub fn delete(self) -> Result<(), DownloaderError>

Deletes Metadata file from disk.

Trait Implementations§

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impl Debug for Metadata

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

Formats the value using the given formatter. Read more

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Size: 72 bytes