// Consider moving this to a completely different worker binary.
func processNewIQData(contact_id string, contactdb *db.ContactDB) {
log.Printf("%s: Processing IQ data", contact_id)
contact, err := contactdb.Lookup(contact_id)
if err != nil {
log.Printf("%s: Error looking up contact: %s",
contact_id, err.Error())
return
}
if contact == nil {
log.Printf("%s: Contact not found.", contact_id)
return
}
// Get IQParams from the contact.
var iq_params *pb.IQParams
for _, b := range contact.Blob {
if b.Format != nil && *b.Format == pb.Contact_Blob_IQ {
if b.IqParams != nil {
iq_params = b.IqParams
}
}
}
if iq_params == nil {
log.Printf("%s: IQ blob missing", contact_id)
return
}
local_path := fmt.Sprintf("%s/%s", *stream_tmp_dir, contact_id)
png_path := fmt.Sprintf("%s.png", local_path)
demod.Spectrogram(local_path, *iq_params, png_path,
demod.SpectrogramTitle(*contact, *iq_params))
if contact.SatelliteId != nil {
blobs := processIQDataForSatellite(
*contact.SatelliteId,
local_path,
*iq_params,
*contact.StartTimestamp)
contact.Blob = append(contact.Blob, blobs...)
}
log.Printf("%s: Storing updated contact: %v", contact_id, contact.Blob)
// TODO: Need to be careful about locking the ContactDB record.
// Currently we are the only process that modifies an existing ContactDB
// record. In the future we may need to be more careful.
if err := contactdb.Store(contact); err != nil {
log.Printf("%s: Error storing contact: %s",
contact_id, err.Error())
return
}
log.Printf("%s: Wrote updated contact to db.", contact_id)
}
