Trait external_storage_export::export::ExternalStorage

pub trait ExternalStorage: 'static + Send + Sync {
    pub fn name(&self) -> &'static str;
    pub fn url(&self) -> Result<Url, Error>;
    pub fn write(
        &self, 
        name: &str, 
        reader: Box<dyn AsyncRead + 'static + Send + Unpin, Global>, 
        content_length: u64
    ) -> Result<(), Error>;
    pub fn read(&self, name: &str) -> Box<dyn AsyncRead + Unpin, Global>;

    pub fn restore(
        &self, 
        storage_name: &str, 
        restore_name: PathBuf, 
        expected_length: u64, 
        speed_limiter: &Limiter<CoarseClock>
    ) -> Result<(), Error> { ... }
}

An abstraction of an external storage.

Required methods

pub fn name(&self) -> &'static str

pub fn url(&self) -> Result<Url, Error>

pub fn write(
    &self,
    name: &str,
    reader: Box<dyn AsyncRead + 'static + Send + Unpin, Global>,
    content_length: u64
) -> Result<(), Error>

Write all contents of the read to the given path.

pub fn read(&self, name: &str) -> Box<dyn AsyncRead + Unpin, Global>

Read all contents of the given path.

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Provided methods

pub fn restore(
    &self,
    storage_name: &str,
    restore_name: PathBuf,
    expected_length: u64,
    speed_limiter: &Limiter<CoarseClock>
) -> Result<(), Error>

Read from external storage and restore to the given path

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Implementations on Foreign Types

impl ExternalStorage for Box<dyn ExternalStorage + 'static, Global>

pub fn name(&self) -> &'static str

pub fn url(&self) -> Result<Url, Error>

pub fn write(
    &self,
    name: &str,
    reader: Box<dyn AsyncRead + 'static + Send + Unpin, Global>,
    content_length: u64
) -> Result<(), Error>

pub fn read(&self, name: &str) -> Box<dyn AsyncRead + Unpin, Global>

impl ExternalStorage for Arc<dyn ExternalStorage + 'static>

pub fn name(&self) -> &'static str

pub fn url(&self) -> Result<Url, Error>

pub fn write(
    &self,
    name: &str,
    reader: Box<dyn AsyncRead + 'static + Send + Unpin, Global>,
    content_length: u64
) -> Result<(), Error>

pub fn read(&self, name: &str) -> Box<dyn AsyncRead + Unpin, Global>

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Implementors

impl ExternalStorage for EncryptedExternalStorage

fn name(&self) -> &'static str

fn url(&self) -> Result<Url>

fn write(
    &self,
    name: &str,
    reader: Box<dyn AsyncRead + Send + Unpin>,
    content_length: u64
) -> Result<()>

fn read(&self, name: &str) -> Box<dyn AsyncRead + Unpin>

fn restore(
    &self,
    storage_name: &str,
    restore_name: PathBuf,
    expected_length: u64,
    speed_limiter: &Limiter
) -> Result<()>

impl ExternalStorage for LocalStorage

pub fn name(&self) -> &'static str

pub fn url(&self) -> Result<Url, Error>

pub fn write(
    &self,
    name: &str,
    reader: Box<dyn AsyncRead + 'static + Send + Unpin, Global>,
    _content_length: u64
) -> Result<(), Error>

pub fn read(&self, name: &str) -> Box<dyn AsyncRead + 'static + Unpin, Global>

impl ExternalStorage for NoopStorage

pub fn name(&self) -> &'static str

pub fn url(&self) -> Result<Url, Error>

pub fn write(
    &self,
    _name: &str,
    reader: Box<dyn AsyncRead + 'static + Send + Unpin, Global>,
    _content_length: u64
) -> Result<(), Error>

pub fn read(&self, _name: &str) -> Box<dyn AsyncRead + 'static + Unpin, Global>

impl<Blob: BlobStorage> ExternalStorage for BlobStore<Blob>

fn name(&self) -> &'static str

fn url(&self) -> Result<Url>

fn write(
    &self,
    name: &str,
    reader: Box<dyn AsyncRead + Send + Unpin>,
    content_length: u64
) -> Result<()>

fn read(&self, name: &str) -> Box<dyn AsyncRead + Unpin>

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