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fix(cctv): give Tarktee's slow DATEX feeds 30 s instead of the shared 15 s

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The Estonian Transpordiamet feeds answered in 2 to 16.6 s across ten
requests (120 and 160 KB), and both must arrive for any camera to load,
so the shared 15 s catalog timeout dropped the whole pack on about a
third of loads ("Tarktee DATEX download error: The operation was aborted
due to timeout"), for the 15 minutes until the next catalog refresh.
TARKTEE_FETCH_TIMEOUT_MS gives the two requests 30 s; other packs keep
15 s.

Live: 175 cameras in 3.3 s.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
This commit is contained in:
quanticsoul4772andClaude Opus 5.5 committed 2026-10-18 22:04:52 -07:00
1 parent 93ea088f45
commit 6b3f7a3ec1
3 files changed
+33 -2
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server/providers/cctv/constants.js
+4
View File
@@ -439,6 +439,10 @@ export const CCTV_SOURCE_CACHE_MS = 15 * 60 * 1000;
* pending forever — a hung fetch aborts, the loader returns [], and
* serve-stale/other packs take over. */
export const CCTV_SOURCE_FETCH_TIMEOUT_MS = 15 * 1000;
/** Tarktee's two DATEX feeds (120 and 160 KB) answered in 2 to 16.6 s across
* ten requests on 2026-10-18, so the shared 15 s timeout dropped the Estonian
* pack on about a third of loads. Both must arrive for any camera to load. */
export const TARKTEE_FETCH_TIMEOUT_MS = 30 * 1000;
/** Individual CCTV image fetches must settle before the active 10-second
* client refresh cadence. A bounded miss can fall through to Street View or
* the synthetic frame instead of leaving the browser preview pending. */
server/providers/cctv/sources.js
+3 -2
View File
@@ -70,6 +70,7 @@ import {
TORONTO_GROUND_ELEVATION_M,
TORONTO_MAX_CATALOG_BYTES,
CCTV_SOURCE_FETCH_TIMEOUT_MS,
TARKTEE_FETCH_TIMEOUT_MS,
DELDOT_CCTV_URL,
DEFAULT_DELDOT_MAX_SOURCES,
DELDOT_ANCHORS,
@@ -1194,11 +1195,11 @@ export async function loadTarkteeSourcesFromDatex() {
const [locResp, imgResp] = await Promise.all([
fetch(TARKTEE_LOCATIONS_URL, {
headers: { Accept: 'application/xml,text/xml,*/*' },
signal: AbortSignal.timeout(CCTV_SOURCE_FETCH_TIMEOUT_MS),
signal: AbortSignal.timeout(TARKTEE_FETCH_TIMEOUT_MS),
}),
fetch(TARKTEE_IMAGES_URL, {
headers: { Accept: 'application/xml,text/xml,*/*' },
signal: AbortSignal.timeout(CCTV_SOURCE_FETCH_TIMEOUT_MS),
signal: AbortSignal.timeout(TARKTEE_FETCH_TIMEOUT_MS),
}),
]);
if (!locResp.ok) {