Files
Shadowbroker/backend/services/constants.py
T
BigBodyCobainandCursor 69e8ebbab2 fix: stop truncating live telemetry payloads
Remove sampling, viewport bbox truncation, and buffer ceilings that were cherry-picking ships, flights, and related layers.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-01 20:31:50 -06:00

40 lines
3.0 KiB
Python

# ─── ShadowBroker Backend Constants ──────────────────────────────────────────
# Centralized magic numbers. Import from here instead of hardcoding.
# ─── Flight Trails ──────────────────────────────────────────────────────────
FLIGHT_TRAIL_MAX_TRACKED = None # no LRU eviction on flight trails
FLIGHT_TRAIL_POINTS_PER_FLIGHT = 200 # Max trail points kept per aircraft
TRACKED_TRAIL_TTL_S = 1800 # 30 min - trail TTL for tracked flights
DEFAULT_TRAIL_TTL_S = 300 # 5 min - trail TTL for non-tracked flights
# ─── Detection Thresholds ──────────────────────────────────────────────────
HOLD_PATTERN_DEGREES = 300 # Total heading change to flag holding pattern
GPS_JAMMING_NACP_THRESHOLD = 8 # NACp below this = degraded GPS signal
GPS_JAMMING_GRID_SIZE = 1.0 # 1 degree grid for aggregation
# Tuned 2026-05: previously 0.30 / 5 aircraft which — combined with the
# -1 noise cushion in the detector AND the pre-fix nac_p==0 filter that
# discarded jamming victims — meant the layer almost never lit up.
# Lowering the bar so genuine jamming zones with sparser ADS-B coverage
# clear (eastern Med, Russia/Ukraine border, Iran/Iraq).
GPS_JAMMING_MIN_RATIO = 0.20 # 20% degraded aircraft to flag zone
GPS_JAMMING_MIN_AIRCRAFT = 3 # Min aircraft in grid cell for statistical significance
# ─── Network & Circuit Breaker ──────────────────────────────────────────────
CIRCUIT_BREAKER_TTL_S = 120 # Skip domain for 2 min after total failure
DOMAIN_FAIL_TTL_S = 300 # Skip requests.get for 5 min, go straight to curl
CONNECT_TIMEOUT_S = 3 # Short connect timeout for fast firewall-block detection
# ─── Data Fetcher Intervals ────────────────────────────────────────────────
FAST_FETCH_INTERVAL_S = 60 # Flights, ships, satellites, military
SLOW_FETCH_INTERVAL_MIN = 30 # News, markets, space weather
CCTV_FETCH_INTERVAL_MIN = 1 # CCTV camera pipeline
LIVEUAMAP_FETCH_INTERVAL_HR = 12 # LiveUAMap scraper
# ─── External API ──────────────────────────────────────────────────────────
OPENSKY_RATE_LIMIT_S = 300 # Only re-fetch OpenSky every 5 minutes
OPENSKY_REQUEST_TIMEOUT_S = 15 # Timeout for OpenSky API calls
ROUTE_FETCH_TIMEOUT_S = 15 # Timeout for adsb.lol route lookups
# ─── Internet Outage Detection ─────────────────────────────────────────────
INTERNET_OUTAGE_MIN_SEVERITY = 0.10 # 10% drop minimum to show