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|
use super::PluginInstruction;
use std::path::PathBuf;
use crate::thread_bus::ThreadSenders;
use std::path::Path;
use std::time::Duration;
use zellij_utils::notify_debouncer_full::{
new_debouncer,
notify::{EventKind, RecommendedWatcher, RecursiveMode, Watcher},
DebounceEventResult, Debouncer, FileIdMap,
};
use zellij_utils::{data::Event, errors::prelude::Result};
const DEBOUNCE_DURATION_MS: u64 = 500;
pub fn watch_filesystem(
senders: ThreadSenders,
zellij_cwd: &Path,
) -> Result<Debouncer<RecommendedWatcher, FileIdMap>> {
let path_prefix_in_plugins = PathBuf::from("/host");
let current_dir = PathBuf::from(zellij_cwd);
let mut debouncer = new_debouncer(
Duration::from_millis(DEBOUNCE_DURATION_MS),
None,
move |result: DebounceEventResult| match result {
Ok(events) => {
let mut create_events = vec![];
let mut read_events = vec![];
let mut update_events = vec![];
let mut delete_events = vec![];
for event in events {
match event.kind {
EventKind::Access(_) => read_events.push(event),
EventKind::Create(_) => create_events.push(event),
EventKind::Modify(_) => update_events.push(event),
EventKind::Remove(_) => delete_events.push(event),
_ => {},
}
}
let create_paths: Vec<PathBuf> = create_events
.drain(..)
.map(|e| {
e.paths
.iter()
.map(|p| {
let stripped_prefix_path =
p.strip_prefix(¤t_dir).unwrap_or_else(|_| p);
path_prefix_in_plugins.join(stripped_prefix_path)
})
.collect()
})
.collect();
let read_paths: Vec<PathBuf> = read_events
.drain(..)
.map(|e| {
e.paths
.iter()
.map(|p| {
let stripped_prefix_path =
p.strip_prefix(¤t_dir).unwrap_or_else(|_| p);
path_prefix_in_plugins.join(stripped_prefix_path)
})
.collect()
})
.collect();
let update_paths: Vec<PathBuf> = update_events
.drain(..)
.map(|e| {
e.paths
.iter()
.map(|p| {
let stripped_prefix_path =
p.strip_prefix(¤t_dir).unwrap_or_else(|_| p);
path_prefix_in_plugins.join(stripped_prefix_path)
})
.collect()
})
.collect();
let delete_paths: Vec<PathBuf> = delete_events
.drain(..)
.map(|e| {
e.paths
.iter()
.map(|p| {
let stripped_prefix_path =
p.strip_prefix(¤t_dir).unwrap_or_else(|_| p);
path_prefix_in_plugins.join(stripped_prefix_path)
})
.collect()
})
.collect();
let _ = senders.send_to_plugin(PluginInstruction::Update(vec![
(None, None, Event::FileSystemRead(read_paths)),
(None, None, Event::FileSystemCreate(create_paths)),
(None, None, Event::FileSystemUpdate(update_paths)),
(None, None, Event::FileSystemDelete(delete_paths)),
]));
},
Err(errors) => errors
.iter()
.for_each(|error| log::error!("watch error: {error:?}")),
},
)?;
debouncer
.watcher()
.watch(zellij_cwd, RecursiveMode::Recursive)?;
Ok(debouncer)
}
|
