hyperhive/hive-agent/src/web_ui/stats.rs

105 lines
4.2 KiB
Rust

//! Stats + loose-ends + todos read endpoints.
use axum::extract::State;
use axum::response::{IntoResponse, Response};
use serde::Deserialize;
use super::AppState;
#[derive(Deserialize)]
pub(super) struct StatsQuery {
window: Option<String>,
}
pub(super) async fn api_stats(
State(_state): State<AppState>,
axum::extract::Query(q): axum::extract::Query<StatsQuery>,
) -> axum::Json<crate::stats::Snapshot> {
let window = crate::stats::Window::parse(q.window.as_deref().unwrap_or("24h"));
let mut snapshot = crate::stats::snapshot_default(window);
// Pass the window span so the local reminder rollup filters its counts
// to the same time range as the chart data.
let window_secs = window.span_secs();
let window_secs_u = u64::try_from(window_secs).unwrap_or(0);
snapshot.reminder_stats = fetch_reminder_stats(window_secs_u).await;
axum::Json(snapshot)
}
/// Fetch reminder activity stats from the harness-local reminder store over
/// `HIVE_AGENT_SOCKET` (#2635 inc 1 — was a broker RPC before reminders
/// moved in-container). Returns `None` on any transport / decode failure or
/// when the socket is unset — the stats are decorative, not authoritative.
async fn fetch_reminder_stats(window_secs: u64) -> Option<hive_sh4re::ReminderStats> {
use tokio::io::{AsyncBufReadExt as _, AsyncWriteExt as _, BufReader};
use tokio::net::UnixStream;
let socket_path = std::env::var_os("HIVE_AGENT_SOCKET").map(std::path::PathBuf::from)?;
if !socket_path.exists() {
return None;
}
tokio::time::timeout(std::time::Duration::from_secs(3), async move {
let mut stream = UnixStream::connect(&socket_path).await?;
let req = hive_agent_sock::Request::ReminderRollup {
since_secs: window_secs,
};
let mut line = serde_json::to_string(&req)?;
line.push('\n');
stream.write_all(line.as_bytes()).await?;
stream.flush().await?;
let mut lines = BufReader::new(stream).lines();
let resp_line = lines
.next_line()
.await?
.ok_or_else(|| anyhow::anyhow!("agent socket closed without response"))?;
let resp: hive_agent_sock::Response = serde_json::from_str(&resp_line)?;
anyhow::Ok(match resp {
hive_agent_sock::Response::ReminderRollup { stats } => Some(stats),
_ => None,
})
})
.await
.ok()?
.ok()
.flatten()
}
/// `GET /api/todos` — snapshot of this agent's local todos (loose-ends v2).
///
/// Connects to the in-agent harness socket (`HIVE_AGENT_SOCKET`) and calls
/// `ListTodos`. Returns `{ "todos": [...] }` where each entry is a
/// `LooseEnd::Todo` (subsystem, key, summary, source, `age_seconds`). Returns
/// an empty array when the socket is unavailable — best-effort, silent failure.
pub(super) async fn api_todos() -> Response {
use tokio::io::{AsyncBufReadExt as _, AsyncWriteExt as _, BufReader};
use tokio::net::UnixStream;
let socket_path = match std::env::var_os("HIVE_AGENT_SOCKET") {
Some(p) => std::path::PathBuf::from(p),
None => return axum::Json(serde_json::json!({ "todos": [] })).into_response(),
};
if !socket_path.exists() {
return axum::Json(serde_json::json!({ "todos": [] })).into_response();
}
let todos = tokio::time::timeout(std::time::Duration::from_secs(3), async move {
let mut stream = UnixStream::connect(&socket_path).await?;
let req = hive_agent_sock::Request::ListTodos { subsystem: None };
let mut line = serde_json::to_string(&req)?;
line.push('\n');
stream.write_all(line.as_bytes()).await?;
stream.flush().await?;
let mut lines = BufReader::new(stream).lines();
let resp_line = lines
.next_line()
.await?
.ok_or_else(|| anyhow::anyhow!("agent socket closed without response"))?;
let resp: hive_agent_sock::Response = serde_json::from_str(&resp_line)?;
anyhow::Ok(match resp {
hive_agent_sock::Response::LooseEnds { loose_ends } => loose_ends,
_ => Vec::new(),
})
})
.await
.unwrap_or_else(|_| Err(anyhow::anyhow!("timeout")))
.unwrap_or_default();
axum::Json(serde_json::json!({ "todos": todos })).into_response()
}