Ok(())
}
- fn sweep_old_files(&self, dir: &Path) {
-
- let mut handle = match nix::dir::Dir::open(
- dir, nix::fcntl::OFlag::O_RDONLY, nix::sys::stat::Mode::empty()) {
- Ok(h) => h,
- Err(_) => return,
- };
+ fn sweep_old_files(&self, handle: &mut nix::dir::Dir) {
let rawfd = handle.as_raw_fd();
pub fn sweep_used_chunks(&mut self) -> Result<(), Error> {
+ let mut base_handle = match nix::dir::Dir::open(
+ &self.chunk_dir, nix::fcntl::OFlag::O_RDONLY, nix::sys::stat::Mode::empty()) {
+ Ok(h) => h,
+ Err(err) => bail!("unable to open base chunk dir {:?} - {}", self.chunk_dir, err),
+ };
+
+ let base_fd = base_handle.as_raw_fd();
+
for i in 0..4096 {
- let mut l1path = self.chunk_dir.clone();
- l1path.push(format!("{:03x}", i));
- for j in 0..256 {
- let mut l2path = l1path.clone();
- l2path.push(format!("{:02x}", j));
- self.sweep_old_files(&l2path);
+ let l1name = PathBuf::from(format!("{:03x}", i));
+ let mut l1_handle = match nix::dir::Dir::openat(
+ base_fd, &l1name, nix::fcntl::OFlag::O_RDONLY, nix::sys::stat::Mode::empty()) {
+ Ok(h) => h,
+ Err(err) => bail!("unable to open l1 chunk dir {:?}/{:?} - {}", self.chunk_dir, l1name, err),
+ };
+
+ let l1_fd = l1_handle.as_raw_fd();
+
+ for l1_entry in l1_handle.iter() {
+ match l1_entry {
+ Ok(l1_entry) => {
+ if let Some(file_type) = l1_entry.file_type() {
+ if file_type == nix::dir::Type::Directory {
+ let l2name = l1_entry.file_name();
+ if l2name.to_bytes_with_nul()[0] == b'.' { continue; }
+ let mut l2_handle = match nix::dir::Dir::openat(
+ l1_fd, l2name, nix::fcntl::OFlag::O_RDONLY, nix::sys::stat::Mode::empty()) {
+ Ok(h) => h,
+ Err(err) => bail!("unable to open l2 chunk dir {:?}/{:?}/{:?} - {}", self.chunk_dir, l1name, l2name, err),
+ };
+
+ self.sweep_old_files(&mut l2_handle);
+ }
+ }
+ }
+ Err(_) => { /* ignore */ }
+ }
}
}