File size: 8,043 Bytes
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use std::path::PathBuf;
use std::sync::Arc;
use std::sync::Mutex;
use std::sync::atomic::AtomicBool;
use std::sync::atomic::Ordering;
use codex_app_server_protocol::FuzzyFileSearchMatchType;
use codex_app_server_protocol::FuzzyFileSearchResult;
use codex_app_server_protocol::FuzzyFileSearchSessionCompletedNotification;
use codex_app_server_protocol::FuzzyFileSearchSessionUpdatedNotification;
use codex_app_server_protocol::ServerNotification;
use codex_file_search as file_search;
use tracing::warn;
use crate::outgoing_message::OutgoingMessageSender;
const MATCH_LIMIT: usize = 50;
const MAX_THREADS: usize = 12;
pub(crate) async fn run_fuzzy_file_search(
query: String,
roots: Vec<String>,
cancellation_flag: Arc<AtomicBool>,
) -> Vec<FuzzyFileSearchResult> {
if roots.is_empty() {
return Vec::new();
}
#[expect(clippy::expect_used)]
let limit = NonZero::new(MATCH_LIMIT).expect("MATCH_LIMIT should be a valid non-zero usize");
let cores = std::thread::available_parallelism()
.map(std::num::NonZero::get)
.unwrap_or(1);
let threads = cores.min(MAX_THREADS);
#[expect(clippy::expect_used)]
let threads = NonZero::new(threads.max(1)).expect("threads should be non-zero");
let search_dirs: Vec<PathBuf> = roots.iter().map(PathBuf::from).collect();
let mut files = match tokio::task::spawn_blocking(move || {
file_search::run(
query.as_str(),
search_dirs,
file_search::FileSearchOptions {
limit,
threads,
compute_indices: true,
..Default::default()
},
Some(cancellation_flag),
)
})
.await
{
Ok(Ok(res)) => res
.matches
.into_iter()
.map(|m| {
let file_name = m.path.file_name().unwrap_or_default();
FuzzyFileSearchResult {
root: m.root.to_string_lossy().to_string(),
path: m.path.to_string_lossy().to_string(),
match_type: match m.match_type {
file_search::MatchType::File => FuzzyFileSearchMatchType::File,
file_search::MatchType::Directory => FuzzyFileSearchMatchType::Directory,
},
file_name: file_name.to_string_lossy().to_string(),
score: m.score,
indices: m.indices,
}
})
.collect::<Vec<_>>(),
Ok(Err(err)) => {
warn!("fuzzy-file-search failed: {err}");
Vec::new()
}
Err(err) => {
warn!("fuzzy-file-search join failed: {err}");
Vec::new()
}
};
files.sort_by(file_search::cmp_by_score_desc_then_path_asc::<
FuzzyFileSearchResult,
_,
_,
>(|f| f.score, |f| f.path.as_str()));
files
}
pub(crate) struct FuzzyFileSearchSession {
session: file_search::FileSearchSession,
shared: Arc<SessionShared>,
}
impl FuzzyFileSearchSession {
pub(crate) fn update_query(&self, query: String) {
if self.shared.canceled.load(Ordering::Relaxed) {
return;
}
{
#[expect(clippy::unwrap_used)]
let mut latest_query = self.shared.latest_query.lock().unwrap();
*latest_query = query.clone();
}
self.session.update_query(&query);
}
}
impl Drop for FuzzyFileSearchSession {
fn drop(&mut self) {
self.shared.canceled.store(true, Ordering::Relaxed);
}
}
pub(crate) fn start_fuzzy_file_search_session(
session_id: String,
roots: Vec<String>,
outgoing: Arc<OutgoingMessageSender>,
) -> anyhow::Result<FuzzyFileSearchSession> {
#[expect(clippy::expect_used)]
let limit = NonZero::new(MATCH_LIMIT).expect("MATCH_LIMIT should be a valid non-zero usize");
let cores = std::thread::available_parallelism()
.map(std::num::NonZero::get)
.unwrap_or(1);
let threads = cores.min(MAX_THREADS);
#[expect(clippy::expect_used)]
let threads = NonZero::new(threads.max(1)).expect("threads should be non-zero");
let search_dirs: Vec<PathBuf> = roots.iter().map(PathBuf::from).collect();
let canceled = Arc::new(AtomicBool::new(false));
let shared = Arc::new(SessionShared {
session_id,
latest_query: Mutex::new(String::new()),
outgoing,
runtime: tokio::runtime::Handle::current(),
canceled: canceled.clone(),
});
let reporter = Arc::new(SessionReporterImpl {
shared: shared.clone(),
});
let session = file_search::create_session(
search_dirs,
file_search::FileSearchOptions {
limit,
threads,
compute_indices: true,
..Default::default()
},
reporter,
Some(canceled),
)?;
Ok(FuzzyFileSearchSession { session, shared })
}
struct SessionShared {
session_id: String,
latest_query: Mutex<String>,
outgoing: Arc<OutgoingMessageSender>,
runtime: tokio::runtime::Handle,
canceled: Arc<AtomicBool>,
}
struct SessionReporterImpl {
shared: Arc<SessionShared>,
}
impl SessionReporterImpl {
fn send_snapshot(&self, snapshot: &file_search::FileSearchSnapshot) {
if self.shared.canceled.load(Ordering::Relaxed) {
return;
}
let query = {
#[expect(clippy::unwrap_used)]
self.shared.latest_query.lock().unwrap().clone()
};
if snapshot.query != query {
return;
}
let files = if query.is_empty() {
Vec::new()
} else {
collect_files(snapshot)
};
let notification = ServerNotification::FuzzyFileSearchSessionUpdated(
FuzzyFileSearchSessionUpdatedNotification {
session_id: self.shared.session_id.clone(),
query,
files,
},
);
let outgoing = self.shared.outgoing.clone();
self.shared.runtime.spawn(async move {
outgoing.send_server_notification(notification).await;
});
}
fn send_complete(&self) {
if self.shared.canceled.load(Ordering::Relaxed) {
return;
}
let session_id = self.shared.session_id.clone();
let outgoing = self.shared.outgoing.clone();
self.shared.runtime.spawn(async move {
let notification = ServerNotification::FuzzyFileSearchSessionCompleted(
FuzzyFileSearchSessionCompletedNotification { session_id },
);
outgoing.send_server_notification(notification).await;
});
}
}
impl file_search::SessionReporter for SessionReporterImpl {
fn on_update(&self, snapshot: &file_search::FileSearchSnapshot) {
self.send_snapshot(snapshot);
}
fn on_complete(&self) {
self.send_complete();
}
}
fn collect_files(snapshot: &file_search::FileSearchSnapshot) -> Vec<FuzzyFileSearchResult> {
let mut files = snapshot
.matches
.iter()
.map(|m| {
let file_name = m.path.file_name().unwrap_or_default();
FuzzyFileSearchResult {
root: m.root.to_string_lossy().to_string(),
path: m.path.to_string_lossy().to_string(),
match_type: match m.match_type {
file_search::MatchType::File => FuzzyFileSearchMatchType::File,
file_search::MatchType::Directory => FuzzyFileSearchMatchType::Directory,
},
file_name: file_name.to_string_lossy().to_string(),
score: m.score,
indices: m.indices.clone(),
}
})
.collect::<Vec<_>>();
files.sort_by(file_search::cmp_by_score_desc_then_path_asc::<
FuzzyFileSearchResult,
_,
_,
>(|f| f.score, |f| f.path.as_str()));
files
}
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