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Drop locks as soon as possible

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Roderick van Domburg 2021-12-27 00:11:07 +01:00
parent 059e17dca5
commit 8aa23ed0c6
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GPG key ID: A9EF5222A26F0451
2 changed files with 21 additions and 18 deletions
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37
audio/src/fetch/receive.rs
View file

@ -106,12 +106,12 @@ async fn receive_data(
drop(request.streamer);
if request_length > 0 {
let missing_range = Range::new(data_offset, request_length);
let mut download_status = shared.download_status.lock();
download_status.requested.subtract_range(&missing_range);
shared.cond.notify_all();
{
let missing_range = Range::new(data_offset, request_length);
let mut download_status = shared.download_status.lock();
download_status.requested.subtract_range(&missing_range);
shared.cond.notify_all();
}
}
shared
@ -172,14 +172,18 @@ impl AudioFileFetch {
let mut ranges_to_request = RangeSet::new();
ranges_to_request.add_range(&Range::new(offset, length));
// The iteration that follows spawns streamers fast, without awaiting them,
// so holding the lock for the entire scope of this function should be faster
// then locking and unlocking multiple times.
let mut download_status = self.shared.download_status.lock();
ranges_to_request.subtract_range_set(&download_status.downloaded);
ranges_to_request.subtract_range_set(&download_status.requested);
for range in ranges_to_request.iter() {
let url = self.shared.cdn_url.try_get_url()?;
// Likewise, checking for the URL expiry once will guarantee validity long enough.
let url = self.shared.cdn_url.try_get_url()?;
for range in ranges_to_request.iter() {
let streamer = self
.session
.spclient()
@ -219,7 +223,6 @@ impl AudioFileFetch {
missing_data.add_range(&Range::new(0, self.shared.file_size));
{
let download_status = self.shared.download_status.lock();
missing_data.subtract_range_set(&download_status.downloaded);
missing_data.subtract_range_set(&download_status.requested);
}
@ -306,16 +309,16 @@ impl AudioFileFetch {
None => return Err(AudioFileError::Output.into()),
}
let mut download_status = self.shared.download_status.lock();
let received_range = Range::new(data.offset, data.data.len());
download_status.downloaded.add_range(&received_range);
self.shared.cond.notify_all();
let full = download_status.downloaded.contained_length_from_value(0)
>= self.shared.file_size;
let full = {
let mut download_status = self.shared.download_status.lock();
download_status.downloaded.add_range(&received_range);
self.shared.cond.notify_all();
drop(download_status);
download_status.downloaded.contained_length_from_value(0)
>= self.shared.file_size
};
if full {
self.finish()?;
@ -380,8 +383,8 @@ pub(super) async fn audio_file_fetch(
initial_request.offset,
initial_request.offset + initial_request.length,
);
let mut download_status = shared.download_status.lock();
let mut download_status = shared.download_status.lock();
download_status.requested.add_range(&requested_range);
}

2
core/src/cache.rs
View file

@ -189,7 +189,7 @@ impl FsSizeLimiter {
}
fn add(&self, file: &Path, size: u64) {
self.limiter.lock().add(file, size, SystemTime::now());
self.limiter.lock().add(file, size, SystemTime::now())
}
fn touch(&self, file: &Path) -> bool {