From c18a4189af11ccd11fc19134f105861b4e0f5352 Mon Sep 17 00:00:00 2001
From: ztimson <zaktimson@gmail.com>
Date: Sat, 27 Jun 2026 13:44:33 -0400
Subject: [PATCH] Catch ADSB timeouts

---
 README.md           | 1 +
 server/src/adsb.mjs | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c84d532..508cc7d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 ## TODO
+- Proxy ICAO lookups on failure
 - Make sure openmeteo properties match + we backfill any missing
 - Fix daily (missing future dates + timestamp on 24 hour forecast is wrong)
 - Update openapi doc
diff --git a/server/src/adsb.mjs b/server/src/adsb.mjs
index e154492..ddea59d 100644
--- a/server/src/adsb.mjs
+++ b/server/src/adsb.mjs
@@ -33,6 +33,12 @@ setInterval(() => {
 	}
 }, 1000 * 60 * 5);
 
+function fetchWithTimeout(url, ms = 5000) {
+	const controller = new AbortController();
+	const id = setTimeout(() => controller.abort(), ms);
+	return fetch(url, { signal: controller.signal }).finally(() => clearTimeout(id));
+}
+
 async function syncMilitaryRanges() {
 	const { ADSB_URL } = cfg();
 	try {
@@ -194,7 +200,7 @@ export async function enrichAircraft(a) {
 export async function getADSB() {
 	const { ADSB_URL } = cfg();
 	if (!ADSB_URL) return [];
-	const r = await fetch(`${ADSB_URL}:8080/data/aircraft.json`);
+	const r = await fetchWithTimeout(`${ADSB_URL}:8080/data/aircraft.json`);
 	const j = await r.json();
 	const aircraft = j.aircraft || [];