Struct qiniu_download::RangeReader

pub struct RangeReader { /* fields omitted */ }

Implementations

impl RangeReader

pub fn new(urls: &[String], tries: usize) -> Self

pub fn new_from_key(
    key: impl AsRef<str>,
    urls: &[String],
    credential: &Credential,
    lifetime: Duration,
    tries: usize
) -> Result<Self, SystemTimeError>

pub fn new_from_bucket_and_key(
    bucket: impl AsRef<str>,
    key: impl AsRef<str>,
    uc_urls: &[String],
    credential: &Credential,
    lifetime: Duration,
    tries: usize,
    use_https: bool
) -> IOResult<Self>

impl RangeReader

pub fn read_multi_range(&self, range: &[(u64, u64)]) -> IOResult<Vec<RangePart>>

pub fn exist(&self) -> IOResult<bool>

pub fn file_size(&self) -> IOResult<u64>

pub fn download(&self) -> IOResult<Vec<u8>>

pub fn download_to(
    &self,
    writer: &mut dyn WriteSeek,
    max_size: Option<u64>
) -> IOResult<u64>

pub fn flash_download_to(
    &self,
    writer: &mut (dyn WriteSeek + Send),
    max_size: Option<u64>,
    part_size: u64,
    concurrency: Option<usize>
) -> IOResult<u64>

pub fn read_last_bytes(&self, buf: &mut [u8]) -> IOResult<(u64, u64)>

Trait Implementations

impl Debug for RangeReader

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

Formats the value using the given formatter.

impl ReadAt for RangeReader

pub fn read_at(&self, pos: u64, buf: &mut [u8]) -> IOResult<usize>

Read bytes from an offset in this source into a buffer, returning how many bytes were read.

pub fn read_exact_at(&self, pos: u64, buf: &mut [u8]) -> Result<(), Error>

Read the exact number of bytes required to fill buf, from an offset.