Struct log_writer::LogWriter

pub struct LogWriter<T: LogWriterCallbacks + Sized + Clone + Debug> { /* private fields */ }

Writes a stream to disk while adhering to the usage limits described in cfg.

When write() is called, the LogWriter will attempt to ensure enough space is available to write the new contents. In some cases, where no more space can be freed, ENOSPC may be returned.

Implementations

impl LogWriter<NoopLogWriterCallbacks>

pub fn new(cfg: LogWriterConfig) -> Result<Self>

impl<T: LogWriterCallbacks + Sized + Clone + Debug> LogWriter<T>

pub fn new_with_callbacks(cfg: LogWriterConfig, callbacks: T) -> Result<Self>

Trait Implementations

impl<T: LogWriterCallbacks + Sized + Clone + Debug> Write for LogWriter<T>

fn write(&mut self, buf: &[u8]) -> Result<usize>

Write a buffer into this writer, returning how many bytes were written.

fn flush(&mut self) -> Result<()>

Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize, Error>

Like write, except that it writes from a slice of buffers.

fn is_write_vectored(&self) -> bool

🔬 This is a nightly-only experimental API. (can_vector)

Determines if this Writer has an efficient write_vectored implementation.

fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>

Attempts to write an entire buffer into this writer.

fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>

🔬 This is a nightly-only experimental API. (write_all_vectored)

Attempts to write multiple buffers into this writer.

fn write_fmt(&mut self, fmt: Arguments<'_>) -> Result<(), Error>

Writes a formatted string into this writer, returning any error encountered.

fn by_ref(&mut self) -> &mut Self

Creates a “by reference” adapter for this instance of Write.