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fix SSH ping CPU spin and Linux releases

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This commit is contained in:
Andy Dixon
2026-08-13 17:22:48 +01:00
parent 04c05e20bb
commit 696661bfa9
6 changed files with 259 additions and 27 deletions
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frontend/src/js/app.js
+45 -7
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@@ -49,6 +49,10 @@
this.leviathan = new LeviathanWorkbench(this);
/** @type {Map<string, Promise<void>>} Idempotent in-flight session closes. */
this._closingSessions = new Map();
this._latencySessionID = null;
this._latencyTimer = null;
this._latencyGeneration = 0;
this._latencyPingInFlight = false;
this.updateInfo = null;
this.mode = "nexus";
}
@@ -1362,17 +1366,44 @@
}
_startLatencyPing(sessionID) {
// Don't restart if already pinging the same session.
if (this._latencySessionID === sessionID && this._latencyTimer) return;
// Do not queue overlapping backend requests for the active session.
if (
this._latencySessionID === sessionID &&
(this._latencyTimer || this._latencyPingInFlight)
) {
return;
}
this._stopLatencyPing();
this._latencySessionID = sessionID;
const generation = this._latencyGeneration;
const isCurrent = () =>
this._latencyGeneration === generation &&
this._latencySessionID === sessionID;
const scheduleNext = () => {
if (!isCurrent() || this._latencyTimer) return;
this._latencyTimer = setTimeout(() => {
this._latencyTimer = null;
void doPing();
}, 10000);
};
const doPing = async () => {
if (!window.NexusTerminal?.wailsService) return;
if (!isCurrent()) return;
if (!window.NexusTerminal?.wailsService) {
scheduleNext();
return;
}
this._latencyPingInFlight = true;
let succeeded = false;
try {
const ms = await window.NexusTerminal.wailsService.PingSession(sessionID);
if (!isCurrent()) return;
succeeded = true;
const el = document.getElementById("status-latency");
if (el && this._latencySessionID === sessionID) {
if (el) {
el.textContent = ms + " ms";
el.className =
ms < 100
@@ -1382,6 +1413,7 @@
: "latency-bad";
}
} catch (_) {
if (!isCurrent()) return;
// Session may have disconnected — clear indicator.
const el = document.getElementById("status-latency");
if (el) {
@@ -1389,18 +1421,24 @@
el.className = "";
}
this._stopLatencyPing();
} finally {
if (isCurrent()) {
this._latencyPingInFlight = false;
if (succeeded) scheduleNext();
}
}
};
doPing();
this._latencyTimer = setInterval(doPing, 10000);
void doPing();
}
_stopLatencyPing() {
this._latencyGeneration = (this._latencyGeneration || 0) + 1;
if (this._latencyTimer) {
clearInterval(this._latencyTimer);
clearTimeout(this._latencyTimer);
this._latencyTimer = null;
}
this._latencyPingInFlight = false;
this._latencySessionID = null;
}