proxmox-backup/src/backup/datastore.rs

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Rust
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2018-12-17 12:00:39 +00:00
use failure::*;
use std::path::Path;
use crate::config::datastore;
use super::chunk_store::*;
use super::image_index::*;
pub struct DataStore {
chunk_store: ChunkStore,
}
impl DataStore {
pub fn open(store_name: &str) -> Result<Self, Error> {
let config = datastore::config()?;
let (_, store_config) = config.sections.get(store_name)
.ok_or(format_err!("no such datastore '{}'", store_name))?;
let path = store_config["path"].as_str().unwrap();
let chunk_store = ChunkStore::open(path)?;
Ok(Self {
chunk_store: chunk_store,
})
}
pub fn create_image_writer<P: AsRef<Path>>(&mut self, filename: P, size: usize) -> Result<ImageIndexWriter, Error> {
let index = ImageIndexWriter::create(&mut self.chunk_store, filename.as_ref(), size)?;
Ok(index)
}
pub fn open_image_reader<P: AsRef<Path>>(&mut self, filename: P) -> Result<ImageIndexReader, Error> {
let index = ImageIndexReader::open(&mut self.chunk_store, filename.as_ref())?;
Ok(index)
}
}