garage/src/block/layout.rs

57 lines
1.2 KiB
Rust

use std::path::PathBuf;
use serde::{Deserialize, Serialize};
use garage_util::config::DataDirEnum;
use garage_util::data::Hash;
use garage_util::migrate::*;
pub const DRIVE_NPART: usize = 1024;
#[derive(Serialize, Deserialize, Debug, Clone)]
pub(crate) struct DataLayout {
pub(crate) data_dirs: Vec<DataDir>,
pub(crate) partitions: Vec<Partition>,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub(crate) struct DataDir {
pub(crate) path: PathBuf,
pub(crate) state: DataDirState,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub(crate) enum DataDirState {
Active { capacity: u64 },
ReadOnly,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub(crate) struct Partition {
pub(crate) prim: usize,
pub(crate) sec: Vec<usize>,
}
impl DataLayout {
pub(crate) fn initialize(dirs: &DataDirEnum) -> Self {
todo!()
}
pub(crate) fn update(&mut self, dirs: &DataDirEnum) -> Self {
todo!()
}
pub(crate) fn data_dir(&self, hash: &Hash) -> PathBuf {
todo!()
/*
let mut path = self.data_dir.clone();
path.push(hex::encode(&hash.as_slice()[0..1]));
path.push(hex::encode(&hash.as_slice()[1..2]));
path
*/
}
}
impl InitialFormat for DataLayout {
const VERSION_MARKER: &'static [u8] = b"G09bmdl";
}