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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2025 metamuffin <metamuffin.org>
*/
use std::path::Path;
use crate::backends::KV;
use anyhow::Result;
use rocksdb::DB;
pub struct Rocksdb {
db: DB,
}
impl Rocksdb {
pub fn new(path: &Path) -> Result<Self> {
Ok(Self {
db: DB::open_default(path)?,
})
}
}
impl KV for Rocksdb {
fn set(&self, key: &[u8], value: &[u8]) -> Result<()> {
Ok(self.db.put(key, value)?)
}
fn get<'a>(&'a self, key: &[u8]) -> Result<Option<Vec<u8>>> {
Ok(self.db.get(key)?)
}
fn del(&self, key: &[u8]) -> Result<()> {
Ok(self.db.delete(key)?)
}
fn next(&self, key: &[u8]) -> Result<Option<Vec<u8>>> {
let mut it = self.db.raw_iterator();
it.seek_for_prev(key);
it.next();
Ok(it.key().map(Vec::from))
}
fn prev(&self, key: &[u8]) -> Result<Option<Vec<u8>>> {
let mut it = self.db.raw_iterator();
it.seek(key);
it.prev();
Ok(it.key().map(Vec::from))
}
}
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