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Handle cache full situation

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johannesd3 2021-01-31 10:00:02 +01:00
parent fd1f049572
commit efedc678d0
1 changed files with 27 additions and 7 deletions
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34
core/src/cache.rs
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@ -131,15 +131,35 @@ impl Cache {
}
pub fn save_file<F: Read>(&self, file: FileId, contents: &mut F) {
if let Some(path) = self.file_path(file) {
let parent = path.parent().unwrap();
let result = fs::create_dir_all(parent)
.and_then(|_| File::create(path))
.and_then(|mut file| io::copy(contents, &mut file));
let path = if let Some(path) = self.file_path(file) {
path
} else {
return;
};
let parent = path.parent().unwrap();
if let Err(e) = result {
warn!("Cannot save file to cache: {}", e)
let result = fs::create_dir_all(parent)
.and_then(|_| File::create(&path))
.and_then(|mut file| io::copy(contents, &mut file));
if let Err(e) = result {
if e.kind() == ErrorKind::Other {
// Perhaps there's no space left in the cache
// TODO: try to narrow down the error (platform-dependently)
info!("An error occured while writing to cache, trying to flush the cache");
if fs::remove_dir_all(self.audio_location.as_ref().unwrap())
.and_then(|_| fs::create_dir_all(parent))
.and_then(|_| File::create(&path))
.and_then(|mut file| io::copy(contents, &mut file))
.is_ok()
{
// It worked, there's no need to print a warning
return;
}
}
warn!("Cannot save file to cache: {}", e)
}
}
}