def test_cache_storage(self):
""" test that a telemetry object which goes into memcached is the same as one which comes out """
seabus = Boat.all_seabuses()[0]
telemetry = Telemetry.from_db_for_boat(seabus)
telemetry.put_cache()
cached_telemetry = Telemetry.from_cache_for_boat(seabus)
assert telemetry == cached_telemetry
def listen(config):
"""
listen for and process incoming UDP AIS location beacons sent from the AIS Decoder process on the tuner
"""
host = config.get('LISTENER_HOST')
port = config.get('LISTENER_PORT')
update_url = config.get('LISTENER_UPDATE_URL')
log.info('Listenening for AIS beacons on {}:{}'.format(host, port))
for data in read_socket(host, port):
beacon = decode(data)
if beacon is not None:
if is_interesting(beacon):
log.info('Interesting beacon type: {}'.format(beacon.get('id')))
log.info(beacon)
# extract boat data from beacon, here we should get one of the following (ALL CASES ARE STORED IN DB!)
# - an existing boat record from the db by checking mmsi in the beacon, regardless of beacon type
# - a new boat object with mmsi but no name, dimensions, etc. because this is a telemetry beacon
# - a new (or updated by this beacon) boat object with mmsi, name, dimensions, etc. because this is a type 5 static voyage data beacon
boat = Boat.from_beacon(beacon)
# try to extract telemetry data from beacon
telemetry = Telemetry.from_beacon(beacon)
# if this beacon has telemetry, mark it as belonging to source boat
#TODO: call this method after checking if boat is none
if telemetry is not None:
telemetry.set_boat(boat)
# if we know BOTH the vessel and the telemetry, it's worth recording new information
if None not in (boat, telemetry):
if boat.is_seabus:
log.info('Seabus: {}, {}'.format(boat.name, telemetry))
# cache this telemetry for immediate use in the web app
telemetry.put_cache()
# notify web app that new data is available for push to clients
try:
resp = requests.get(update_url)
except requests.exceptions.ConnectionError as e:
log.error('Unable to reach /update endpoint! {}'.format(e))
if not resp.ok:
log.error('Bad response code: {}, msg: {}'.format(resp.status_code, resp.text))
else:
log.debug('Web app /update endpoint hit.')
else:
log.info('Other Vessel: {}, {}'.format(boat.name, telemetry))
# now write to db
telemetry.smart_save()
def listen(config):
"""
listen for and process incoming UDP AIS location beacons sent from the AIS Decoder process on the tuner
"""
host = config.get('LISTENER_HOST')
port = config.get('LISTENER_PORT')
update_url = config.get('LISTENER_UPDATE_URL')
log.info('Listenening for AIS beacons on {}:{}'.format(host, port))
for data in read_socket(host, port):
beacon = decode(data)
if beacon is not None:
if is_interesting(beacon):
log.info('Interesting beacon type: {}'.format(
beacon.get('id')))
log.info(beacon)
# extract boat data from beacon, here we should get one of the following (ALL CASES ARE STORED IN DB!)
# - an existing boat record from the db by checking mmsi in the beacon, regardless of beacon type
# - a new boat object with mmsi but no name, dimensions, etc. because this is a telemetry beacon
# - a new (or updated by this beacon) boat object with mmsi, name, dimensions, etc. because this is a type 5 static voyage data beacon
boat = Boat.from_beacon(beacon)
# try to extract telemetry data from beacon
telemetry = Telemetry.from_beacon(beacon)
# if this beacon has telemetry, mark it as belonging to source boat
#TODO: call this method after checking if boat is none
if boat is not None:
if telemetry is not None:
telemetry.set_boat(boat)
# if we know BOTH the vessel and the telemetry, it's worth recording new information
if None not in (boat, telemetry):
log.info('Vessel: {}, {}'.format(boat.name, telemetry))
# cache this telemetry for immediate use in the web app
telemetry.put_cache()
# notify web app that new data is available for push to clients
try:
resp = requests.get(update_url)
except requests.exceptions.ConnectionError as e:
log.error('Unable to reach /update endpoint! {}'.format(e))
if not resp.ok:
log.error('Bad response code: {}, msg: {}'.format(
resp.status_code, resp.text))
else:
log.debug('Web app /update endpoint hit.')
# now write to db
telemetry.smart_save()
def setUp(self):
db.create_all()
boat_beacon = decode(self.boat_msg)
pos_beacon = decode(self.pos_msg)
boat = Boat.from_beacon(boat_beacon)
telemetry = Telemetry.from_beacon(pos_beacon)
assert boat is not None
assert telemetry is not None
telemetry.set_boat(boat)
telemetry.smart_save()
def seabus_telemetry():
"""
retrieve current seabus telemetry
"""
telemetry = {'boats': []}
for boat in Boat.all_seabuses():
boat_telemetry = Telemetry.get_for_boat(boat)
telemetry['boats'].append({
'lat': boat_telemetry.lat,
'lon': boat_telemetry.lon,
'true_heading': boat_telemetry.true_heading,
'name': boat.name,
'id': boat.id
})
return telemetry
def seabus_telemetry():
"""
retrieve current seabus telemetry
"""
telemetry = {'boats': []}
for boat in Boat.all_seabuses():
boat_telemetry = Telemetry.get_for_boat(boat)
with oboe.profile_block('make_dict'):
telemetry['boats'].append({
'lat': boat_telemetry.lat,
'lon': boat_telemetry.lon,
'true_heading': boat_telemetry.true_heading,
'name': boat.name,
'id': boat.id
})
return telemetry
def test_decode_sanity(self):
seabus = Boat.all_seabuses()[0]
assert 'BURRARD' in seabus.name
