pulpod 0.0.41

Pulpo daemon — manages agent sessions via tmux/Docker
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

use std::convert::Infallible;
use std::sync::Arc;
use std::time::Duration;

use axum::extract::State;
use axum::response::sse::{Event, KeepAlive, Sse};
use futures::Stream;
use pulpo_common::event::PulpoEvent;
use tokio_stream::StreamExt;
use tokio_stream::wrappers::BroadcastStream;

/// Converts a `PulpoEvent` into an SSE `Event` with the appropriate event type.
fn event_to_sse(event: &PulpoEvent) -> Option<Result<Event, Infallible>> {
    let (event_type, json) = match event {
        PulpoEvent::Session(se) => ("session", serde_json::to_string(se).ok()?),
    };
    Some(Ok(Event::default().event(event_type).data(json)))
}

pub async fn stream(
    State(state): State<Arc<super::AppState>>,
) -> Sse<impl Stream<Item = Result<Event, Infallible>>> {
    let rx = state.event_tx.subscribe();
    let stream = BroadcastStream::new(rx).filter_map(|result| {
        let event = result.ok()?; // Lagged — skip missed events
        event_to_sse(&event)
    });
    Sse::new(stream).keep_alive(KeepAlive::new().interval(Duration::from_secs(15)))
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::api::AppState;
    use crate::backend::StubBackend;
    use crate::config::{Config, NodeConfig};
    use crate::peers::PeerRegistry;
    use crate::session::manager::SessionManager;
    use crate::store::Store;
    use pulpo_common::event::SessionEvent;
    use std::collections::HashMap;

    #[tokio::test]
    async fn test_broadcast_session_event_received() {
        let tmpdir = tempfile::tempdir().unwrap();
        let tmpdir = Box::leak(Box::new(tmpdir));
        let store = Store::new(tmpdir.path().to_str().unwrap()).await.unwrap();
        store.migrate().await.unwrap();
        let manager =
            SessionManager::new(Arc::new(StubBackend), store.clone(), HashMap::new(), None)
                .with_no_stale_grace();
        let peer_registry = PeerRegistry::new(&HashMap::new());
        let state = AppState::new(
            Config {
                node: NodeConfig {
                    name: "test".into(),
                    port: 7433,
                    data_dir: tmpdir.path().to_str().unwrap().into(),
                    ..NodeConfig::default()
                },
                auth: crate::config::AuthConfig::default(),
                peers: HashMap::new(),
                watchdog: crate::config::WatchdogConfig::default(),
                inks: HashMap::new(),
                notifications: crate::config::NotificationsConfig::default(),
                docker: crate::config::DockerConfig::default(),
            },
            manager,
            peer_registry,
            store,
        );

        let mut rx = state.event_tx.subscribe();
        let event = PulpoEvent::Session(SessionEvent {
            session_id: "id-1".into(),
            session_name: "test-session".into(),
            status: "active".into(),
            previous_status: Some("creating".into()),
            node_name: "test".into(),
            output_snippet: None,
            timestamp: "2026-01-01T00:00:00Z".into(),
            git_branch: None,
            git_commit: None,
            git_insertions: None,
            git_deletions: None,
            git_files_changed: None,
            pr_url: None,
            error_status: None,
        });
        state.event_tx.send(event.clone()).unwrap();
        let received = rx.recv().await.unwrap();
        assert!(
            matches!(&received, PulpoEvent::Session(se) if se.session_id == "id-1" && se.status == "active")
        );
    }

    #[test]
    fn test_event_to_sse_session() {
        let event = PulpoEvent::Session(SessionEvent {
            session_id: "id-1".into(),
            session_name: "test-session".into(),
            status: "active".into(),
            previous_status: None,
            node_name: "test".into(),
            output_snippet: None,
            timestamp: "2026-01-01T00:00:00Z".into(),
            git_branch: None,
            git_commit: None,
            git_insertions: None,
            git_deletions: None,
            git_files_changed: None,
            pr_url: None,
            error_status: None,
        });

        let result = event_to_sse(&event);
        assert!(result.is_some());
    }

    #[tokio::test]
    async fn test_broadcast_lagged_drops_gracefully() {
        let (tx, _) = tokio::sync::broadcast::channel::<PulpoEvent>(2);
        let mut rx = tx.subscribe();

        // Fill the buffer beyond capacity to cause lag
        for i in 0..5 {
            let _ = tx.send(PulpoEvent::Session(SessionEvent {
                session_id: format!("id-{i}"),
                session_name: "s".into(),
                status: "active".into(),
                previous_status: None,
                node_name: "n".into(),
                output_snippet: None,
                timestamp: "t".into(),
                git_branch: None,
                git_commit: None,
                git_insertions: None,
                git_deletions: None,
                git_files_changed: None,
                pr_url: None,
                error_status: None,
            }));
        }

        // The receiver should get a lagged error, then the latest message
        let result = rx.recv().await;
        // Either lagged error or the last few messages
        assert!(result.is_ok() || result.is_err());
    }
}