New kiosk/src/onvif_events.rs: for each ONVIF camera in the bundle,
creates a PullPoint subscription, polls every 3s, parses
NotificationMessage XML into structured JSON (topic + source key/values
+ data key/values + timestamp), and POSTs to /api/kiosk/event with
source_type=onvif + camera_id.
Forwards ALL event topics: motion, ANPR (LicensePlateRecognition),
line crossing, intrusion, digital input, analytics, tamper — everything
the camera exposes. Node-RED sorts what matters.
Subscription lifecycle:
- CreatePullPointSubscription with 60s InitialTerminationTime
- Renew every 55s before timeout
- Unsubscribe on bundle change / shutdown
- Auto-resubscribe on pull/renew failure (30s backoff)
- Generation tracking via Weak<()> so old workers self-terminate
when start() is called with a new bundle
WSSE PasswordDigest auth for SOAP calls — same scheme the server's
onvif.ts uses. sha1 crate added.
BundleCamera extended with onvif_host/port/username/password_encrypted
fields (server already ships them; kiosk just wasn't deserializing).
Gated by BF_ENABLE_ONVIF_EVENTS=1. Enabled by default in the pi-gen
image env file.
TODO: cluster-key-based decryption of onvif_password_encrypted. For
now relies on the RTSP URI having plaintext credentials embedded (which
the ONVIF import path already ensures via rtspWithCredentials).
