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datastore: add generic open_index

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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2019-02-28 10:21:56 +01:00
parent 7bc1d72778
commit 5de2bced2d
1 changed files with 15 additions and 0 deletions
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15
src/backup/datastore.rs
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@ -13,6 +13,7 @@ use crate::config::datastore;
use super::chunk_store::*;
use super::fixed_index::*;
use super::dynamic_index::*;
use super::index::*;
use chrono::{Utc, TimeZone};
@ -134,6 +135,20 @@ impl DataStore {
Ok(index)
}
pub fn open_index<P>(&self, filename: P) -> Result<Box<dyn IndexFile + Send>, Error>
where
P: AsRef<Path>,
{
let filename = filename.as_ref();
let out: Box<dyn IndexFile + Send> =
match filename.extension().and_then(|ext| ext.to_str()) {
Some("didx") => Box::new(self.open_dynamic_reader(filename)?),
Some("fidx") => Box::new(self.open_fixed_reader(filename)?),
_ => bail!("cannot open index file of unknown type: {:?}", filename),
};
Ok(out)
}
pub fn base_path(&self) -> PathBuf {
self.chunk_store.base_path()
}