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src/backup/backup_info.rs: implement list_backup for BackupGroup, cleanups

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This commit is contained in:
Dietmar Maurer
2019-05-11 10:19:34 +02:00
parent f9578f3c79
commit c09775011a
3 changed files with 48 additions and 49 deletions
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56
src/backup/backup_info.rs
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@ -2,6 +2,7 @@ use crate::tools;
use failure::*;
use regex::Regex;
use std::os::unix::io::RawFd;
use chrono::{DateTime, TimeZone, Local};
@ -77,6 +78,27 @@ impl BackupGroup {
relative_path
}
pub fn list_backups(&self, base_path: &Path) -> Result<Vec<BackupInfo>, Error> {
let mut list = vec![];
let mut path = base_path.to_owned();
path.push(self.group_path());
tools::scandir(libc::AT_FDCWD, &path, &BACKUP_DATE_REGEX, |l2_fd, backup_time, file_type| {
if file_type != nix::dir::Type::Directory { return Ok(()); }
let dt = backup_time.parse::<DateTime<Local>>()?;
let backup_dir = BackupDir::new(self.backup_type.clone(), self.backup_id.clone(), dt.timestamp());
let files = list_backup_files(l2_fd, backup_time)?;
list.push(BackupInfo { backup_dir, files });
Ok(())
})?;
Ok(list)
}
}
/// Uniquely identify a Backup (relative to data store)
@ -161,13 +183,7 @@ impl BackupInfo {
let mut path = base_path.to_owned();
path.push(backup_dir.relative_path());
let mut files = vec![];
tools::scandir(libc::AT_FDCWD, &path, &BACKUP_FILE_REGEX, |_, filename, file_type| {
if file_type != nix::dir::Type::File { return Ok(()); }
files.push(filename.to_owned());
Ok(())
})?;
let files = list_backup_files(libc::AT_FDCWD, &path)?;
Ok(files)
}
@ -183,19 +199,11 @@ impl BackupInfo {
if file_type != nix::dir::Type::Directory { return Ok(()); }
let dt = backup_time.parse::<DateTime<Local>>()?;
let backup_dir = BackupDir::new(backup_type, backup_id, dt.timestamp());
let mut files = vec![];
let files = list_backup_files(l2_fd, backup_time)?;
tools::scandir(l2_fd, backup_time, &BACKUP_FILE_REGEX, |_, filename, file_type| {
if file_type != nix::dir::Type::File { return Ok(()); }
files.push(filename.to_owned());
Ok(())
})?;
list.push(BackupInfo {
backup_dir: BackupDir::new(backup_type, backup_id, dt.timestamp()),
files,
});
list.push(BackupInfo { backup_dir, files });
Ok(())
})
@ -204,3 +212,15 @@ impl BackupInfo {
Ok(list)
}
}
fn list_backup_files<P: ?Sized + nix::NixPath>(dirfd: RawFd, path: &P) -> Result<Vec<String>, Error> {
let mut files = vec![];
tools::scandir(dirfd, path, &BACKUP_FILE_REGEX, |_, filename, file_type| {
if file_type != nix::dir::Type::File { return Ok(()); }
files.push(filename.to_owned());
Ok(())
})?;
Ok(files)
}