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#![deny(missing_docs)]
#![deny(warnings)]
#![deny(missing_debug_implementations)]
#![doc(html_root_url = "https://docs.rs/futures-fs/0.0.3")]
extern crate bytes;
#[macro_use]
extern crate futures;
extern crate futures_cpupool;
use std::{fmt, fs, io};
use std::path::Path;
use futures::{Future, Poll};
use futures_cpupool::{CpuPool, CpuFuture};
pub use self::read::FsReadStream;
pub use self::write::FsWriteSink;
pub use self::write::WriteOptions;
mod read;
mod write;
#[derive(Clone)]
pub struct FsPool {
cpu_pool: CpuPool,
}
impl FsPool {
pub fn new(threads: usize) -> FsPool {
FsPool {
cpu_pool: CpuPool::new(threads),
}
}
pub fn read<P: AsRef<Path> + Send + 'static>(&self, path: P) -> FsReadStream {
::read::new(self, path)
}
pub fn write<P: AsRef<Path> + Send + 'static>(&self, path: P, opts: WriteOptions) -> FsWriteSink {
::write::new(self, path, opts)
}
pub fn delete<P: AsRef<Path> + Send + 'static>(&self, path: P) -> FsFuture<()> {
fs(self.cpu_pool.spawn_fn(move || {
fs::remove_file(path)
}))
}
}
impl Default for FsPool {
fn default() -> FsPool {
FsPool::new(4)
}
}
impl fmt::Debug for FsPool {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("FsPool")
.finish()
}
}
pub struct FsFuture<T> {
inner: CpuFuture<T, io::Error>,
}
fn fs<T: Send>(cpu: CpuFuture<T, io::Error>) -> FsFuture<T> {
FsFuture {
inner: cpu,
}
}
impl<T: Send + 'static> Future for FsFuture<T> {
type Item = T;
type Error = io::Error;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
self.inner.poll()
}
}
impl<T> fmt::Debug for FsFuture<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("FsFuture")
.finish()
}
}