codex_mobile_bridge/state/
mod.rs

1mod directories;
2mod events;
3mod helpers;
4mod management;
5mod render;
6mod runtime;
7mod threads;
8
9#[cfg(test)]
10mod tests;
11
12use std::collections::HashMap;
13use std::fs;
14use std::path::{Path, PathBuf};
15use std::sync::{Arc, Mutex};
16use std::time::{Duration as StdDuration, Instant};
17
18use anyhow::{Result, bail};
19use serde_json::{Value, json};
20use tokio::sync::{RwLock, broadcast, mpsc};
21use tokio::time::Duration;
22use tracing::warn;
23
24use self::directories::seed_directory_bookmarks;
25use self::events::run_app_server_event_loop;
26use self::runtime::ManagedRuntime;
27use crate::app_server::AppServerInbound;
28use crate::bridge_protocol::{
29    DirectoryBookmarkRecord, DirectoryHistoryRecord, PendingServerRequestRecord, PersistedEvent,
30    RuntimeStatusSnapshot, RuntimeSummary, ThreadRenderSnapshot, require_payload,
31};
32use crate::config::Config;
33use crate::storage::Storage;
34
35pub struct BridgeState {
36    token: String,
37    storage: Storage,
38    runtimes: RwLock<HashMap<String, Arc<ManagedRuntime>>>,
39    primary_runtime_id: String,
40    runtime_limit: usize,
41    staging_root: PathBuf,
42    inbound_tx: mpsc::UnboundedSender<AppServerInbound>,
43    events_tx: broadcast::Sender<PersistedEvent>,
44    staged_turn_inputs: Mutex<HashMap<String, Vec<PathBuf>>>,
45    thread_render_snapshots: Mutex<HashMap<String, ThreadRenderSnapshot>>,
46    timeout_warning_tracker: Mutex<HashMap<String, Instant>>,
47    external_event_cursor: Mutex<i64>,
48}
49
50impl BridgeState {
51    pub async fn bootstrap(config: Config) -> Result<Arc<Self>> {
52        let storage = Storage::open(config.db_path.clone())?;
53        seed_directory_bookmarks(&storage, &config.directory_bookmarks)?;
54        let staging_root = staging_root_from_db_path(&config.db_path);
55        prepare_staging_root(&staging_root)?;
56
57        let primary_runtime = storage.ensure_primary_runtime(
58            config
59                .codex_home
60                .as_ref()
61                .map(|path| path.to_string_lossy().to_string()),
62            config.codex_binary.clone(),
63        )?;
64
65        let (events_tx, _) = broadcast::channel(512);
66        let (inbound_tx, inbound_rx) = mpsc::unbounded_channel();
67
68        let mut runtime_map = HashMap::new();
69        for record in storage.list_runtimes()? {
70            let runtime = Arc::new(Self::build_runtime(record, inbound_tx.clone()));
71            runtime_map.insert(runtime.record.runtime_id.clone(), runtime);
72        }
73
74        let state = Arc::new(Self {
75            token: config.token,
76            storage,
77            runtimes: RwLock::new(runtime_map),
78            primary_runtime_id: primary_runtime.runtime_id,
79            runtime_limit: config.runtime_limit.max(1),
80            staging_root,
81            inbound_tx: inbound_tx.clone(),
82            events_tx,
83            staged_turn_inputs: Mutex::new(HashMap::new()),
84            thread_render_snapshots: Mutex::new(HashMap::new()),
85            timeout_warning_tracker: Mutex::new(HashMap::new()),
86            external_event_cursor: Mutex::new(0),
87        });
88
89        *state
90            .external_event_cursor
91            .lock()
92            .expect("external event cursor poisoned") = state.storage.latest_event_seq()?;
93
94        tokio::spawn(run_app_server_event_loop(Arc::clone(&state), inbound_rx));
95        tokio::spawn(management::run_external_event_relay(Arc::clone(&state)));
96
97        for summary in state.runtime_summaries().await {
98            if summary.auto_start {
99                let runtime_id = summary.runtime_id.clone();
100                let state_ref = Arc::clone(&state);
101                tokio::spawn(async move {
102                    if let Err(error) = state_ref.start_existing_runtime(&runtime_id).await {
103                        let _ = state_ref
104                            .emit_runtime_degraded(
105                                &runtime_id,
106                                format!("自动启动 runtime 失败: {error}"),
107                            )
108                            .await;
109                    }
110                });
111            }
112        }
113
114        Ok(state)
115    }
116
117    pub fn subscribe_events(&self) -> broadcast::Receiver<PersistedEvent> {
118        self.events_tx.subscribe()
119    }
120
121    pub fn config_token(&self) -> &str {
122        &self.token
123    }
124
125    pub async fn hello_payload(
126        &self,
127        device_id: &str,
128        provided_ack_seq: Option<i64>,
129    ) -> Result<(
130        RuntimeStatusSnapshot,
131        Vec<RuntimeSummary>,
132        Vec<DirectoryBookmarkRecord>,
133        Vec<DirectoryHistoryRecord>,
134        Vec<PendingServerRequestRecord>,
135        Vec<PersistedEvent>,
136    )> {
137        let fallback_ack = self.storage.get_mobile_session_ack(device_id)?.unwrap_or(0);
138        let last_ack_seq = provided_ack_seq.unwrap_or(fallback_ack);
139        self.storage
140            .save_mobile_session_ack(device_id, last_ack_seq)?;
141
142        let runtime = self.runtime_snapshot_for_client().await;
143        let runtimes = self.runtime_summaries_for_client().await;
144        let directory_bookmarks = self.storage.list_directory_bookmarks()?;
145        let directory_history = self.storage.list_directory_history(20)?;
146        let pending_requests = self.storage.list_pending_requests()?;
147        let replay_events = self.storage.replay_events_after(last_ack_seq)?;
148
149        Ok((
150            runtime,
151            runtimes,
152            directory_bookmarks,
153            directory_history,
154            pending_requests,
155            replay_events,
156        ))
157    }
158
159    pub fn ack_events(&self, device_id: &str, last_seq: i64) -> Result<()> {
160        self.storage.save_mobile_session_ack(device_id, last_seq)
161    }
162
163    pub async fn handle_request(&self, action: &str, payload: Value) -> Result<Value> {
164        match action {
165            "get_runtime_status" => self.get_runtime_status(require_payload(payload)?).await,
166            "list_runtimes" => Ok(json!({ "runtimes": self.runtime_summaries_for_client().await })),
167            "start_runtime" => self.start_runtime(require_payload(payload)?).await,
168            "stop_runtime" => self.stop_runtime(require_payload(payload)?).await,
169            "restart_runtime" => self.restart_runtime(require_payload(payload)?).await,
170            "prune_runtime" => self.prune_runtime(require_payload(payload)?).await,
171            "read_directory" => self.read_directory(require_payload(payload)?).await,
172            "create_directory_bookmark" => {
173                self.create_directory_bookmark(require_payload(payload)?)
174                    .await
175            }
176            "remove_directory_bookmark" => {
177                self.remove_directory_bookmark(require_payload(payload)?)
178                    .await
179            }
180            "list_threads" => self.list_threads(require_payload(payload)?).await,
181            "start_thread" => self.start_thread(require_payload(payload)?).await,
182            "read_thread" => self.read_thread(require_payload(payload)?).await,
183            "resume_thread" => self.resume_thread(require_payload(payload)?).await,
184            "update_thread" => self.update_thread(require_payload(payload)?).await,
185            "archive_thread" => self.archive_thread(require_payload(payload)?).await,
186            "unarchive_thread" => self.unarchive_thread(require_payload(payload)?).await,
187            "stage_input_image" => self.stage_input_image(require_payload(payload)?).await,
188            "send_turn" => self.send_turn(require_payload(payload)?).await,
189            "interrupt_turn" => self.interrupt_turn(require_payload(payload)?).await,
190            "respond_pending_request" => {
191                self.respond_pending_request(require_payload(payload)?)
192                    .await
193            }
194            "start_bridge_management" => {
195                self.start_bridge_management(require_payload(payload)?)
196                    .await
197            }
198            "read_bridge_management" => {
199                self.read_bridge_management(require_payload(payload)?).await
200            }
201            "inspect_remote_state" => self.inspect_remote_state().await,
202            _ => bail!("未知 action: {action}"),
203        }
204    }
205
206    fn log_timeout_warning(&self, key: &str, message: &str) {
207        if self.should_emit_rate_limited_notice(key) {
208            warn!("{message}");
209        }
210    }
211
212    pub(super) fn should_emit_rate_limited_notice(&self, key: &str) -> bool {
213        let now = Instant::now();
214        let mut tracker = self
215            .timeout_warning_tracker
216            .lock()
217            .expect("timeout warning tracker poisoned");
218        let should_emit = tracker
219            .get(key)
220            .map(|last| now.duration_since(*last) >= CLIENT_TIMEOUT_WARN_COOLDOWN)
221            .unwrap_or(true);
222        if should_emit {
223            tracker.insert(key.to_string(), now);
224        }
225        should_emit
226    }
227
228    fn emit_event(
229        &self,
230        event_type: &str,
231        runtime_id: Option<&str>,
232        thread_id: Option<&str>,
233        payload: Value,
234    ) -> Result<()> {
235        let event = self
236            .storage
237            .append_event(event_type, runtime_id, thread_id, &payload)?;
238        *self
239            .external_event_cursor
240            .lock()
241            .expect("external event cursor poisoned") = event.seq;
242        let _ = self.events_tx.send(event);
243        Ok(())
244    }
245
246    pub(super) fn staging_root(&self) -> &Path {
247        &self.staging_root
248    }
249
250    pub(super) fn register_staged_turn_inputs(&self, turn_id: &str, paths: Vec<PathBuf>) {
251        if paths.is_empty() {
252            return;
253        }
254        let mut staged_turn_inputs = self
255            .staged_turn_inputs
256            .lock()
257            .expect("staged turn inputs poisoned");
258        staged_turn_inputs.insert(turn_id.to_string(), paths);
259    }
260
261    pub(super) fn cleanup_staged_turn_inputs(&self, turn_id: &str) -> Result<()> {
262        let paths = self
263            .staged_turn_inputs
264            .lock()
265            .expect("staged turn inputs poisoned")
266            .remove(turn_id)
267            .unwrap_or_default();
268        self.cleanup_staged_paths(paths)
269    }
270
271    pub(super) fn cleanup_staged_paths<I>(&self, paths: I) -> Result<()>
272    where
273        I: IntoIterator<Item = PathBuf>,
274    {
275        for path in paths {
276            self.remove_staged_path(&path)?;
277        }
278        Ok(())
279    }
280
281    fn remove_staged_path(&self, path: &Path) -> Result<()> {
282        if !path.starts_with(&self.staging_root) {
283            bail!("拒绝清理 staging 目录之外的文件: {}", path.display());
284        }
285        if path.exists() {
286            fs::remove_file(path)?;
287        }
288        Ok(())
289    }
290}
291
292fn staging_root_from_db_path(db_path: &Path) -> PathBuf {
293    db_path
294        .parent()
295        .unwrap_or_else(|| Path::new("."))
296        .join("staged-inputs")
297}
298
299fn prepare_staging_root(staging_root: &Path) -> Result<()> {
300    fs::create_dir_all(staging_root)?;
301    for entry in fs::read_dir(staging_root)? {
302        let path = entry?.path();
303        if path.is_dir() {
304            fs::remove_dir_all(&path)?;
305        } else {
306            fs::remove_file(&path)?;
307        }
308    }
309    Ok(())
310}
311
312pub(super) const CLIENT_STATUS_TIMEOUT: Duration = Duration::from_millis(400);
313pub(super) const CLIENT_TIMEOUT_WARN_COOLDOWN: StdDuration = StdDuration::from_secs(30);
codex_mobile_bridge/state/mod.rs

codex_mobile_bridge/state/
mod.rs
