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Code Issues Releases Wiki Activity

Fixed deadlock in uploader

This commit is contained in:
Dennis Schwerdel 2017-04-12 10:32:46 +02:00
parent 1e4831bb27
commit dc973c0313
1 changed files with 8 additions and 4 deletions
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12
src/bundledb/uploader.rs
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@ -44,8 +44,10 @@ impl BundleUploader {
pub fn queue(&self, local_path: PathBuf, remote_path: PathBuf) -> Result<(), BundleDbError> {
while self.waiting.load(Ordering::SeqCst) >= self.capacity {
debug!("Upload queue is full, waiting for slots");
let _ = self.wait.0.wait(self.wait.1.lock().unwrap()).unwrap();
}
trace!("Adding to upload queue: {:?}", local_path);
if !self.error_present.load(Ordering::SeqCst) {
self.waiting.fetch_add(1, Ordering::SeqCst);
self.queue.push(Some((local_path, remote_path)));
@ -66,12 +68,14 @@ impl BundleUploader {
fn worker_thread_inner(&self) -> Result<(), BundleDbError> {
while let Some((src_path, dst_path)) = self.queue.pop() {
trace!("Uploading {:?} to {:?}", src_path, dst_path);
self.waiting.fetch_sub(1, Ordering::SeqCst);
self.wait.0.notify_all();
let folder = dst_path.parent().unwrap();
try!(fs::create_dir_all(&folder).context(&folder as &Path));
if fs::rename(&src_path, &dst_path).is_err() {
try!(fs::copy(&src_path, &dst_path).context(&dst_path as &Path));
try!(fs::remove_file(&src_path).context(&src_path as &Path));
}
try!(fs::copy(&src_path, &dst_path).context(&dst_path as &Path));
try!(fs::remove_file(&src_path).context(&src_path as &Path));
debug!("Uploaded {:?} to {:?}", src_path, dst_path);
}
Ok(())
}