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Fixed the Event of watch dir Deletion #540

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merged 8 commits into from
Nov 1, 2023
Merged

Fixed the Event of watch dir Deletion #540

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f8b529c
bugfix:493_watched_dir_status_File
zeroishero Oct 7, 2023
7b365c3
refactoring
zeroishero Oct 7, 2023
31e2a70
refactors
zeroishero Oct 7, 2023
6e4b4aa
Update notify/src/inotify.rs
zeroishero Oct 7, 2023
59e7d89
refactor: Removed unwrap call
zeroishero Oct 20, 2023
47e6aa0
Removed the extra comment before doc comment.
zeroishero Oct 22, 2023
0f1fc87
remove unnecessary clone
0xpr03 Nov 1, 2023
53b1a00
warn on missing path for DELETE_SELF
0xpr03 Nov 1, 2023
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43 changes: 33 additions & 10 deletions notify/src/inotify.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@ const MESSAGE: mio::Token = mio::Token(1);
// - messages telling it what to do
//
// - events telling it that something has happened on one of the watched files.
//
// - watches HashMap Value tuple (WatchDescriptor, WatchMask, is_recursive, is_dir)
struct EventLoop {
running: bool,
poll: mio::Poll,
Expand All @@ -35,7 +37,7 @@ struct EventLoop {
event_loop_rx: Receiver<EventLoopMsg>,
inotify: Option<Inotify>,
event_handler: Box<dyn EventHandler>,
watches: HashMap<PathBuf, (WatchDescriptor, WatchMask, bool)>,
watches: HashMap<PathBuf, (WatchDescriptor, WatchMask, bool, bool)>,
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paths: HashMap<WatchDescriptor, PathBuf>,
rename_event: Option<Event>,
}
Expand All @@ -58,13 +60,13 @@ enum EventLoopMsg {
fn add_watch_by_event(
path: &Option<PathBuf>,
event: &inotify_sys::Event<&OsStr>,
watches: &HashMap<PathBuf, (WatchDescriptor, WatchMask, bool)>,
watches: &HashMap<PathBuf, (WatchDescriptor, WatchMask, bool, bool)>,
add_watches: &mut Vec<PathBuf>,
) {
if let Some(ref path) = *path {
if event.mask.contains(EventMask::ISDIR) {
if let Some(parent_path) = path.parent() {
if let Some(&(_, _, is_recursive)) = watches.get(parent_path) {
if let Some(&(_, _, is_recursive, _)) = watches.get(parent_path) {
if is_recursive {
add_watches.push(path.to_owned());
}
Expand All @@ -77,7 +79,7 @@ fn add_watch_by_event(
#[inline]
fn remove_watch_by_event(
path: &Option<PathBuf>,
watches: &HashMap<PathBuf, (WatchDescriptor, WatchMask, bool)>,
watches: &HashMap<PathBuf, (WatchDescriptor, WatchMask, bool, bool)>,
remove_watches: &mut Vec<PathBuf>,
) {
if let Some(ref path) = *path {
Expand Down Expand Up @@ -281,9 +283,7 @@ impl EventLoop {
);
add_watch_by_event(&path, &event, &self.watches, &mut add_watches);
}
if event.mask.contains(EventMask::DELETE_SELF)
|| event.mask.contains(EventMask::DELETE)
{
if event.mask.contains(EventMask::DELETE) {
evs.push(
Event::new(EventKind::Remove(
if event.mask.contains(EventMask::ISDIR) {
Expand All @@ -296,6 +296,28 @@ impl EventLoop {
);
remove_watch_by_event(&path, &self.watches, &mut remove_watches);
}
if event.mask.contains(EventMask::DELETE_SELF) {
evs.push(
Event::new(EventKind::Remove(match path.clone() {
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Some(path) => {
let current_watch = self.watches.get(&path);
match current_watch {
Some(&(_, _, _, is_dir)) => {
if is_dir {
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RemoveKind::Folder
} else {
RemoveKind::File
}
}
None => RemoveKind::Other,
}
}
None => RemoveKind::Other,
}))
.add_some_path(path.clone()),
);
remove_watch_by_event(&path, &self.watches, &mut remove_watches)
}
if event.mask.contains(EventMask::MODIFY) {
evs.push(
Event::new(EventKind::Modify(ModifyKind::Data(
Expand Down Expand Up @@ -401,7 +423,7 @@ impl EventLoop {
watchmask.insert(WatchMask::MOVE_SELF);
}

if let Some(&(_, old_watchmask, _)) = self.watches.get(&path) {
if let Some(&(_, old_watchmask, _, _)) = self.watches.get(&path) {
watchmask.insert(old_watchmask);
watchmask.insert(WatchMask::MASK_ADD);
}
Expand All @@ -421,8 +443,9 @@ impl EventLoop {
}
Ok(w) => {
watchmask.remove(WatchMask::MASK_ADD);
let is_dir = metadata(&path).map_err(Error::io)?.is_dir();
self.watches
.insert(path.clone(), (w.clone(), watchmask, is_recursive));
.insert(path.clone(), (w.clone(), watchmask, is_recursive, is_dir));
self.paths.insert(w, path);
Ok(())
}
Expand All @@ -435,7 +458,7 @@ impl EventLoop {
fn remove_watch(&mut self, path: PathBuf, remove_recursive: bool) -> Result<()> {
match self.watches.remove(&path) {
None => return Err(Error::watch_not_found().add_path(path)),
Some((w, _, is_recursive)) => {
Some((w, _, is_recursive, _)) => {
if let Some(ref mut inotify) = self.inotify {
log::trace!("removing inotify watch: {}", path.display());

Expand Down