rqbit/crates/librqbit/src/storage/mod.rs
2024-05-02 12:29:46 +04:00

52 lines
1.5 KiB
Rust

pub mod example;
pub mod filesystem;
use std::path::Path;
use crate::torrent_state::ManagedTorrentInfo;
pub trait StorageFactory: Send + Sync {
fn init_storage(&self, info: &ManagedTorrentInfo) -> anyhow::Result<Box<dyn TorrentStorage>>;
fn output_folder(&self) -> Option<&Path> {
None
}
}
pub trait TorrentStorage: Send + Sync {
fn pread_exact(&self, file_id: usize, offset: u64, buf: &mut [u8]) -> anyhow::Result<()>;
fn pwrite_all(&self, file_id: usize, offset: u64, buf: &[u8]) -> anyhow::Result<()>;
fn remove_file(&self, file_id: usize, filename: &Path) -> anyhow::Result<()>;
fn ensure_file_length(&self, file_id: usize, length: u64) -> anyhow::Result<()>;
fn take(&self) -> anyhow::Result<Box<dyn TorrentStorage>>;
fn output_folder(&self) -> Option<&Path> {
None
}
}
impl TorrentStorage for Box<dyn TorrentStorage> {
fn pread_exact(&self, file_id: usize, offset: u64, buf: &mut [u8]) -> anyhow::Result<()> {
(**self).pread_exact(file_id, offset, buf)
}
fn pwrite_all(&self, file_id: usize, offset: u64, buf: &[u8]) -> anyhow::Result<()> {
(**self).pwrite_all(file_id, offset, buf)
}
fn remove_file(&self, file_id: usize, filename: &Path) -> anyhow::Result<()> {
(**self).remove_file(file_id, filename)
}
fn ensure_file_length(&self, file_id: usize, length: u64) -> anyhow::Result<()> {
(**self).ensure_file_length(file_id, length)
}
fn take(&self) -> anyhow::Result<Box<dyn TorrentStorage>> {
(**self).take()
}
}